Tokushima University / Educator and Researcher Directory --- Kawanishi, Ryosuke

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Academic Paper (Judged Full Paper):

1.	Asuka Kasai, Kouhei Fukuta, Noriko Kambe, Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : Effect of glucose load on metabolism in patients with type 2 diabetes during elective surgery using remifentanil-induced anesthesia: a randomized controlled trial, The Journal of Medical Investigation : JMI, 73, 1.2, 222-228, 2026. (Summary) This study aimed to explore the effect of intraoperative glucose load on metabolism in patients with type 2 diabetes anesthetized with remifentanil. A total of 30 patients were enrolled and randomly allocated to one of two groups:no glucose or low-dose glucose (0.1 g/kg/h for 1 hour followed by 0.05 g/kg/h for 1 hour). Glucose, adrenocorticotropic hormone, 3-methylhistidine, insulin, cortisol, free fatty acid, ketone bodies, and creatinine were measured at several points before, during, and after general anesthesia. Glucose levels in the low-dose glucose group increased significantly at 1 and 2 hours after glucose infusion compared to their preanesthetic levels and to those in the no glucose group. Two patients in the low-dose glucose group had blood glucose levels exceeding 11.1 mmol/L. Free fatty acids, ketone bodies, and 3-methylhistidine/creatinine did not differ significantly between groups. Ketone body levels were significantly higher at 1 hour than preanesthetic levels in both groups;after 1 hour, however, they did not change in the no glucose group but significantly decreased in the low-dose glucose group. Intraoperative low-dose glucose load may suppress ketogenesis, but clinicians must consider the risk of causing hyperglycemia in patients with type 2 diabetes undergoing remifentanil-induced anesthesia. J. Med. Invest. 73 : 222-228, February, 2026. (Keyword) Catabolism / Remifentanil / Type 2 diabetes (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.73.222 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 42021080 ● Summary page in Scopus @ Elsevier: 2-s2.0-105036608126 (DOI: 10.2152/jmi.73.222, PubMed: 42021080, Elsevier: Scopus)
2.	Ryosuke Kawanishi, Hiroki Yonezawa, Takamune Minote, Nami Kakuta and Katsuya Tanaka : Anesthesia management using ROP-1680 AsisTIVA: a case report, The Journal of Medical Investigation : JMI, 72, 1.2, 211-216, 2025. (Summary) AsisTIVA is total intravenous anesthesia support software for syringe pump control. It remains the only automated program to have achieved both practical and commercial viability. AsisTIVA has been certified for use at Tokushima University, Tohoku University, and at its developer institution, Fukui University. We conducted our initial anesthesia management with AsisTIVA at Tokushima University. This initial experience was successful, with no adverse effects. AsisTIVA controls propofol and remifentanil concentrations to maintain a Bispectral index of 45 and adjusts rocuronium concentrations to maintain a Train Of Four value of 1. By managing these anesthetics, AsisTIVA allows anesthesiologists to focus on other aspects of anesthesia management. Its use is expected to expand further. J. Med. Invest. 72 : 211-216, February, 2025. (Keyword) AsisTIVA / Bispectral index / The initial case in Tokushima University (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.72.211 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 40268450 ● Summary page in Scopus @ Elsevier: 2-s2.0-105003982079 (DOI: 10.2152/jmi.72.211, PubMed: 40268450, Elsevier: Scopus)
3.	Yuki Maeda, Nami Kakuta, Asuka Kasai, Hiroki Yonezawa, Ryosuke Kawanishi and Katsuya Tanaka : Successful intraoperative management of laparoscopic hysterectomy in a patient with Eisenmenger syndrome: a case report, JA Clinical Reports, 10, 1, 2024. (Keyword) Eisenmenger syndrome / General anesthesia / Laparoscopic surgery (Tokushima University Institutional Repository) ● Metadata: 2014229 (Link to Publication Site) ● Publication site (DOI): 10.1186/s40981-024-00700-9 (Link to Search Site for Scientific Articles) ● Summary page in Scopus @ Elsevier: 2-s2.0-85186404853 (Tokushima University Institutional Repository: 2014229, DOI: 10.1186/s40981-024-00700-9, Elsevier: Scopus)
4.	Ryosuke Kawanishi and Katsuya Tanaka : 症例ライブラリー IV-PCA:ピットフォールからのリカバリー PCAボタンを押しても痛みがなくならない, LiSA, 31, 9, 826-829, 2024.
5.	Rikako Takahashi, Ryosuke Kawanishi, Nami Kakuta, Hiroki Yonezawa, Hiroya Endo and Katsuya Tanaka : Severe bradycardia with cardiac arrest caused by test stimulation during the second vagus nerve stimulator implantation: A case report, Circulation Control, 45, 1, 39-42, 2024. (Summary) Vagus nerve stimulation (VNS) is used to treat drug-resistant epilepsy. We report a case of intraoperative severe bradycardia and cardiac arrest during a second VNS implantation. No cases of bradycardia during the second VNS implantation have been reported. <br> The patient underwent the first VNS implantation before and experienced no intraoperative bradycardia. A mechanical error of the VNS was discovered, and the second operation was scheduled. General anesthesia was scheduled with supporting by a prophylactic pacing defibrillator to manage bradycardia during VNS. After exchanging the electrodes on the left vagus nerve, test stimulations were performed. We observed an increase in the PR interval on the electrocardiogram (ECG) during the test stimulation and severe bradycardia with cardiac arrest during the main stimulation, which required shortterm chest compressions and percutaneous pacing. After discontinuing stimulation, the pulse rate recovered immediately. We conclude that continuous ECG monitoring intraoperative is crucial, even if the first VNS implantation was uneventful. (Keyword) vagus nerve stimulation / bradycardia / cardiac arrest / case report (Link to Publication Site) ● Publication site (DOI): 10.11312/ccm.45.39 (Link to Search Site for Scientific Articles) ● CiNii @ National Institute of Informatics (CRID): 1390300755743366528 ● Search Scopus @ Elsevier (DOI): 10.11312/ccm.45.39 (DOI: 10.11312/ccm.45.39, CiNii: 1390300755743366528)
6.	Ryo Sekiguchi, Michiko Kinoshita, Ryosuke Kawanishi, Nami Kakuta, Yoko Sakai and Katsuya Tanaka : Comparison of hemodynamics during induction of general anesthesia with remimazolam and target-controlled propofol in middle-aged and elderly patients: a single-center, randomized, controlled trial., BMC Anesthesiology, 2023. (Summary) UMIN-CTR (UMIN000045612). (Keyword) Adult / Aged / Middle Aged / Humans / Propofol / Piperidines / Hemodynamics / Anesthesia, General / Hypotension / Unconsciousness / Anesthetics, Intravenous (Tokushima University Institutional Repository) ● Metadata: 2010706 (Link to Publication Site) ● Publication site (DOI): 10.1186/s12871-023-01974-9 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 36624371 ● Search Scopus @ Elsevier (PMID): 36624371 ● Search Scopus @ Elsevier (DOI): 10.1186/s12871-023-01974-9 (Tokushima University Institutional Repository: 2010706, DOI: 10.1186/s12871-023-01974-9, PubMed: 36624371)
7.	Ryosuke Kawanishi, Yasuhito Honda, Yutaro Bando, Nami Kakuta and Katsuya Tanaka : Effect of 10-minute prewarming plus intraoperative co-warming on core temperature maintenance during breast surgery compared to intraoperative co-warming alone: a randomized controlled trial, The Journal of Medical Investigation : JMI, 70, 1.2, 74-79, 2023. (Summary) We evaluated the effect of 10-min prewarming on core temperature maintenance during general anesthesia. We randomized 40 women scheduled for breast cancer surgery into 10-min Prewarming and Control groups. In the Prewarming group, a forced-air warming system was used to warm the patients at 43 for 10 min immediately before general anesthesia induction. In the Control group, the patients were kept warm using cotton thermal blankets for 10 min. We measured tympanic temperature every 15 min from anesthesia induction for 90 min. Since two patients deviated from the protocol, we used the data of 38 patients (Prewarming [n?=?18] and Control [n?=?20]). There was a significant between-group difference in changes in core temperature (P?=?0.03), including a significant difference in core temperature decrease during the first 60 min from anesthesia induction (Prewarming : -0.3 [0.3] vs. Control : -0.6 [0.2] , P=0.02). In addition, the duration of normal core temperature maintenance was significantly longer in the Prewarming group (66 [34] min vs. 39 [32] min, P?=?0.01). Ten-min prewarming decreases core temperature loss and contribute to maintaining normal core temperature during breast surgery. J. Med. Invest. 70 : 74-79, February, 2023. (Keyword) breast surgery / general anesthesia / ten-min prewarming / tympanic temperature (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.70.74 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 37164747 ● Summary page in Scopus @ Elsevier: 2-s2.0-85158910002 (DOI: 10.2152/jmi.70.74, PubMed: 37164747, Elsevier: Scopus)
8.	Michiko Kinoshita, Sarara Mutoh, Asuka Kasai, Ryosuke Kawanishi and Katsuya Tanaka : General Anesthesia in a Patient With Neuronal Intranuclear Inclusion Disease: A Case Report., A&A Practice, 16, 10, 2022. (Summary) Neuronal intranuclear inclusion disease (NIID) is a progressive neurodegenerative disease with diverse clinical manifestations, including dementia and muscle weakness. We summarize anesthetic considerations in reporting general anesthesia for a 58-year-old man with bladder dysfunction and cerebellar ataxia who was diagnosed with NIID. The patient developed postinduction hypotension relevant to autonomic neuropathy. The potential risks, such as prolonged reaction to neuromuscular blocking agent, postoperative delirium, and worsening of NIID-related symptoms, were also considered. The responsiveness to anesthetics may vary widely from case t case. As the number of NIID cases increases, a better understanding of NIID is needed. (Tokushima University Institutional Repository) ● Metadata: 2010709 (Link to Publication Site) ● Publication site (DOI): 10.1213/XAA.0000000000001633 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 36599032 ● Search Scopus @ Elsevier (PMID): 36599032 ● Search Scopus @ Elsevier (DOI): 10.1213/XAA.0000000000001633 (Tokushima University Institutional Repository: 2010709, DOI: 10.1213/XAA.0000000000001633, PubMed: 36599032)
9.	Ryosuke Kawanishi, Nami Kakuta, Yoko Sakai, Yuki Hari, Hideto Sasaki, Ryo Sekiguchi and Katsuya Tanaka : Desflurane improves lung collapse more than propofol during one-lung ventilation and reduces operation time in lobectomy by video-assisted thoracic surgery: a randomized controlled trial, BMC Anesthesiology, 22, 1, 125, 2022. (Summary) This study evaluated whether desflurane improved lung collapse during one-lung ventilation (OLV) more than propofol, and whether it could reduce the operation time of video-assisted thoracic surgery. Sixty patients undergoing lobectomy by video-assisted thoracic surgery (VATS) were randomly assigned to general anesthesia with desflurane or propofol. Lungs were inspected by thoracoscope at 10, 30, and 60 min after initiation of OLV. After surgery, the Lung Collapse Score, a composite of lung color and volume assessments, was assigned by two clinicians blinded to the anesthetic regimen. The primary outcome was operation time. The secondary outcome included the complication rate. Of the 60 participants, 50 completed the study, 26 in Desflurane group and 24 in Propofol group. The Lung Collapse Scores at 30 and 60 min after OLV initiation were significantly better in Desflurane group than in Propofol group, and operation time was significantly shorter in Desflurane group (214 (57) min vs. 262 (72) min [mean (SD)], difference in means, -48; 95% CI, -85 to -11; P = 0.01). The incidence of multiple complications was 1/26 (3%) and 6/24 (25%) in Desflurane and Propofol group, respectively (relative risk, 0.1; 95% CI, 0.02 to 1.18; P = 0.04). Desflurane improved lung collapse during OLV and significantly shortened VATS lobectomy operation time compared to propofol in our studied patients. Desflurane resulted in fewer postoperative complications. Thus, desflurane may be an appropriate anesthetic during lobectomy by VATS requiring OLV. The study was registered with the University Hospital Medical Information Network ( UMIN000009412 ). The date of disclosure of this study information is 27/11/2012. On this date, we registered the study into UMIN; patients were included from 2013 to 2014. However, on 11/27/2015, the UMIN system administrator suggested a detailed description. Thereafter, we added it to the Randomization Unit. Despite being prospective, it was retrospectively registered on UMIN for the above reasons. (Keyword) Desflurane / Lung collapse / One-lung ventilation / Propofol (Link to Publication Site) ● Publication site (DOI): 10.1186/s12871-022-01669-7 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 35488195 ● Summary page in Scopus @ Elsevier: 2-s2.0-85128965185 (DOI: 10.1186/s12871-022-01669-7, PubMed: 35488195, Elsevier: Scopus)
10.	Yasuo M. Tsutsumi, Nami Kakuta, Ryosuke Kawanishi, Katsuya Tanaka, Rieko Kanzaki, Atsushi Morio, Yuko Noda, Hirotsugu Miyoshi, Takashi Kondo and Keiko Mukaida : Malignant hyperthermia in a 16-day-old infant with congenital diaphragmatic hernia: a case report, Journal of Anesthesia, 35, 2, 311-314, 2021. (Summary) Malignant hyperthermia (MH) is a severe hypermetabolic disorder associated with dysregulation of calcium homeostasis and is triggered by inhalational anesthetics (isoflurane, sevoflurane, desflurane) and a depolarizing muscle relaxant (succinylcholine). We report the case of a 16-day-old infant undergoing laparoscopic surgery. The patient developed hyperthermia and hypercarbia with muscle rigidity. After the diagnosis of MH, dantrolene was administered with sufficient hydration. The patient was transferred to the pediatric intensive care unit for monitoring and treatment of acute renal injury due to myoglobinuria. Subsequently, two variants of the ryanodine receptor 1 (RYR1) gene were identified in the patient as the mutation point at c.1589G > A p.Arg530His and c.1841G > T p.Arg614Leu, which are known to be associated with MH. This was a rare case of MH in a 16-day-old infant that might be related to two RYR1 mutations inherited from the parents. (Keyword) Dantrolene / Malignant hyperthermia / RYR1 / Sevoflurane (Link to Publication Site) ● Publication site (DOI): 10.1007/s00540-021-02902-2 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 33625594 ● Summary page in Scopus @ Elsevier: 2-s2.0-85101629820 (DOI: 10.1007/s00540-021-02902-2, PubMed: 33625594, Elsevier: Scopus)
11.	Hiroki Yonezawa, Ryosuke Kawanishi, Hideto Sasaki, Yohei Sogabe, Kentaro Hirota, Yasuto Honda and Katsuya Tanaka : Insertion of a fogarty catheter through a slip joint section for neonatal and infantile one-lung ventilation: A report of two cases, The Journal of Medical Investigation : JMI, 68, 1.2, 209-212, 2021. (Summary) Here, we report two cases involving a neonate and child in which a slip joint section was used to thread a Fogarty catheter into the endotracheal tube for one-lung ventilation (OLV). Both the neonate and infant required OLV, and were placed under general anesthesia. A Fogarty catheter was used for OLV. The Fogarty catheter was passed into the intraluminal side of the endotracheal tube through a slip joint section. OLV was maintained successfully without severe air leakage or Fogarty catheter displacement. The neonate had been intubated pre-operatively with a 3.5-mm inner diameter endotracheal tube, and we used that tube. These cases indicate that the technique can be applied to pre-operatively intubated patients and does not require surgeons to exchange endotracheal tubes. Use of the slip joint section technique facilitates Fogarty catheter fixation without additional dead space. J. Med. Invest. 68 : 209-212, February, 2021. (Keyword) Fogarty catheter / Neonatal and infantile one-lung ventilation / Slip joint section (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.68.209 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 33994474 ● Summary page in Scopus @ Elsevier: 2-s2.0-85106617421 (DOI: 10.2152/jmi.68.209, PubMed: 33994474, Elsevier: Scopus)
12.	Kouhei Fukuta, Asuka Kasai, Noriko Niki, Yuki Ishikawa, Ryosuke Kawanishi, Nami Kakuta, Yoko Sakai, Yasuo M. Tsutsumi and Katsuya Tanaka : The effect of 1% glucose loading on metabolism in the elderly patients during remifentanil-induced anesthesia: A randomized controlled trial, BMC Anesthesiology, 20, 1, 143, 2020. (Summary) Previous studies showed that remifentanil-induced anesthesia can inhibit surgical stress response in non-diabetic adult patients and that low-dose glucose loading during anesthesia may attenuate fat catabolism. However, little is known about the influence of glucose loading on metabolism in elderly patients, whose condition may be influenced by decreased basal metabolism and increased insulin resistance. We hypothesized that, in elderly patients, intraoperative low glucose infusion may attenuate the catabolism of fat without causing harmful hyperglycemia during remifentanil-induced anesthesia. Elderly, non-diabetic patients scheduled to undergo elective surgery were enrolled and randomized to receive no glucose (0G group) or low-dose glucose infusion (0.1 g/kg/hr. for 1 h followed by 0.05 g/kg/hr. for 1 h; LG group) during surgery. Glucose, adrenocorticotropic hormone (ACTH), 3-methylhistidine (3-MH), insulin, cortisol, free fatty acid (FFA), creatinine (Cr), and ketone body levels were measured pre-anesthesia, 1 h post-glucose infusion, at the end of surgery, and on the following morning. A total of 31 patients (aged 75-85) were included (0G, n = 16; LG, n = 15). ACTH levels during anesthesia decreased significantly in both groups. In the LG group, glucose levels increased significantly after glucose loading but hyperglycemia was not observed. During surgery, ketone bodies and FFA were significantly lower in the LG group than the 0G group. There were no significant differences in insulin, Cr, 3-MH, and 3-MH/Cr between the two groups. Remifentanil-induced anesthesia inhibited surgical stress response in elderly patients. Intraoperative low-dose glucose infusion attenuated catabolism of fat without inducing hyperglycemia. This study has been registered with the University hospital Medical Information Network Center (http://www.umin.ac.jp/english/). UMIN000016189. The initial registration date: January 12th 2015. (Keyword) Elderly / Glucose / Metabolism / Remifentanil (Link to Publication Site) ● Publication site (DOI): 10.1186/s12871-020-01061-3 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 32505171 ● Summary page in Scopus @ Elsevier: 2-s2.0-85086297226 (DOI: 10.1186/s12871-020-01061-3, PubMed: 32505171, Elsevier: Scopus)
13.	Yuki Ishikawa, Yuki Hari, Chiaki Murakami, Yasuhito Honda, Takuro Oyama, Ryosuke Kawanishi, Nami Kakuta, Yoko Sakai, Takashi Kaji, Yasuo M. Tsutsumi and Katsuya Tanaka : Early diagnosis of the cardiopulmonary collapse type of amniotic fluid embolism with obstetrical disseminated intravascular coagulation during elective cesarean section: A case report, The Journal of Medical Investigation : JMI, 67, 1.2, 207-210, 2020. (Summary) Two types of amniotic fluid embolism (AFE) have been described : cardiopulmonary collapse type and disseminated intravascular coagulation (DIC) type, with the latter proposed as uterine type. This report describes a healthy 28-year-old woman who developed AFE during a cesarean section. Because of a previous cesarean section, the patient underwent an elective cesarean section, under combined spinal-epidural anesthesia, at 38 weeks of pregnancy. She began coughing 5 minutes after delivery of the fetus, subsequently becoming unconscious and developing glossoptosis and bradycardia. Her blood pressure decreased to 76/43 mmHg, and AFE was suspected. Her uterus was atonic, and she experienced persistent noncoagulant bleeding, with a final blood loss of 6300 ml. Considerable blood transfusion was required. The patient survived, and she and her baby were discharged without any sequelae on the eighth postoperative day. This patient met the Japanese criteria for clinical AFE, with an obstetrical DIC score of 21 meeting the criteria for obstetrical DIC. Early diagnosis and treatment likely resulted in patient survival. J. Med. Invest. 67 : 207-210, February, 2020. (Keyword) Amniotic fluid embolism / Cardiopulmonary collapse type / Cesarean section / Disseminated intravascular coagulation (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.67.207 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 32378610 ● Summary page in Scopus @ Elsevier: 2-s2.0-85084215372 (DOI: 10.2152/jmi.67.207, PubMed: 32378610, Elsevier: Scopus)
14.	Tomohiro Soga, Katsuyoshi Kume, Nami Kakuta, Eisuke Hamaguchi, Rie Tsutsumi, Ryosuke Kawanishi, Kohei Fukuta, Katsuya Tanaka and Yasuo M. Tsutsumi : Fosaprepitant versus ondansetron for the prevention of postoperative nausea and vomiting in patients who undergo gynecologic abdominal surgery with patient-controlled epidural analgesia: a prospective, randomized, double-blind study., Journal of Anesthesia, 29, 5, 696-701, 2015. (Summary) Compared to ondansetron, fosaprepitant more effectively decreased the incidence of vomiting in patients who underwent gynecologic abdominal surgery with patient-controlled epidural analgesia. (Tokushima University Institutional Repository) ● Metadata: 2002925 (Link to Publication Site) ● Publication site (DOI): 10.1007/s00540-015-2006-z (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 25801542 ● Summary page in Scopus @ Elsevier: 2-s2.0-84945453279 (Tokushima University Institutional Repository: 2002925, DOI: 10.1007/s00540-015-2006-z, PubMed: 25801542, Elsevier: Scopus)
15.	Ryosuke Kawanishi, Kaori Nakai, Akio Iseki, Kayo Nomura, Michihisa Kato and Ritsuko Go : Lower thoracic epidural analgesia improves postoperative analgesia following vaginal total hysterectomy, Masui, 63, 10, 1070-1074, 2014. (Summary) In our hospital, lumbar epidural analgesia had been used for postoperative analgesia following vaginal total hysterectomy (VTH). But some patients experienced severe abdominal pain or numbness of the legs. Therefore we planned a randomized prospective study to compare lower thoracic epidural analgesia and lumbar epidural analgesia following VTH. Fifty patients were allocated to two groups: those who received lower thoracic epidural analgesia(T group)and the other who received lumbar epidural analgesia (L group). Both groupsreceived the same continuous epidural analgesia using fentanyl and ropivacaine after the operation. The T group required significantly lower frequency of analgesic agents compared with that of the L group (2.5±1.9 times vs. 1.2±1.1 times, P< 0.05). Fewer patients in the T group had felt numbness in their legs compared to the L group (8% vs. 55%, P<0.05). Lower thoracic epidural analgesia is more effective to provide postoperative analgesic effect following VTH compared with lumbar epidural analgesia. (Keyword) Lower thoracic epidural analgesia / Postoperative analgesia / Vaginal total hysterectomy (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 25693331 ● Summary page in Scopus @ Elsevier: 2-s2.0-84908550941 (PubMed: 25693331, Elsevier: Scopus)
16.	N. Kambe, Katsuya Tanaka, Nami Kakuta, Ryosuke Kawanishi and Yasuo M. Tsutsumi : The influence of glucose load on metabolism during minor surgery using remifentanil-induced anesthesia, Acta Anaesthesiologica Scandinavica, 58, 8, 948-954, 2014. (Summary) During perioperative fasting, lipid metabolism gradually increases, resulting in free fatty acids (FFA) and/or ketone bodies. Suppression of surgical stress by remifentanil may allow the safe administration of glucose infusions, avoiding both hyperglycemia and ketogenesis. The effects of glucose infusion on glucose and lipid metabolism were therefore investigated in patients undergoing minor surgery with remifentanil anesthesia. Thirty-four patients were randomized 1 : 1 to receive no glucose (0G group) or low-dose glucose (0.1 g/kg/h for 1 h followed by 0.05 g/kg/h for 1 h; LG group). The concentrations of glucose, adrenocorticotropic hormone (ACTH), 3-methylhistidine (3-MH), insulin, cortisol, FFA, creatinine (Cr), and ketone bodies were measured before anesthetic induction, 1 and 2 h after glucose infusion, at the end of surgery, and the next morning. The concentrations of cortisol and ACTH decreased during surgery in both groups when compared with the concentrations before anesthesia and at the end of surgery (P < 0.05). Glucose and insulin concentrations were significantly higher in the LG than in the 0G group at 1 and 2 h after infusion. No patient experienced hyperglycemia. The concentrations of FFA and ketone bodies were lower in the LG than in the 0G group during surgery, but there were no significant between group differences in 3-MH/Cr. Infusion of low-dose glucose attenuated fat catabolism without causing hyperglycemia, indicating that infusion of low-dose glucose during remifentanil-induced anesthesia may be safe for patients. (Keyword) Adrenocorticotropic Hormone / Adult / Androstanols / Creatine / Fatty Acids, Nonesterified / Female / Glucose / Humans / Hydrocortisone / Hyperglycemia / Infusions, Intravenous / Insulin / Intraoperative Complications / Ketone Bodies / Lipid Metabolism / Male / Methylhistidines / Middle Aged / Piperidines / Remifentanil / Rocuronium / Single-Blind Method / Thiamylal (Link to Publication Site) ● Publication site (DOI): 10.1111/aas.12335 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 24780066 ● Summary page in Scopus @ Elsevier: 2-s2.0-84906258730 (DOI: 10.1111/aas.12335, PubMed: 24780066, Elsevier: Scopus)
17.	Ryosuke Kawanishi, Kaori Yamamoto, Yoko Tobetto, Kayo Nomura, Michihisa Kato, Ritsuko Go, Yasuo Tsutsumi, Katsuya Tanaka and Yoshitsugu Takeda : Perineural but not systemic low-dose dexamethasone prolongs the duration of interscalene block with ropivacaine: a prospective randomized trial., Local and Regional Anesthesia, 7, 5-9, 2014. (Summary) To determine the effects of intravenous and perineural dexamethasone on the duration of interscalene brachial plexus block (ISB) with ropivacaine in patients undergoing arthroscopic shoulder surgery. In this prospective, randomized, placebo-controlled trial, patients presenting for arthroscopic shoulder surgery with an ISB were randomized to receive ropivacaine 0.75% (group C), ropivacaine 0.75% plus perineural dexamethasone 4 mg (group Dperi), or ropivacaine 0.75% plus intravenous dexamethasone 4 mg (group Div). The primary outcome was the duration of analgesia, defined as the time between performance of the block and the first request for analgesic. Thirty-nine patients were randomized. The median times of sensory block in groups C, Dperi, and Div were 11.2 hours (interquartile range [IQR] 8.0-15.0 hours), 18.0 hours (IQR 14.5-19.0 hours), and 14.0 hours (IQR 12.7-15.1 hours), respectively. Significant differences were observed between groups Dperi and C (P=0.001). Kaplan-Meier analysis for the first analgesic request showed significant differences between groups Dperi and C (P=0.005) and between groups Dperi and Div (P=0.008), but not between groups C and Div. Perineural but not intravenous administration of 4 mg of dexamethasone significantly prolongs the duration of effective postoperative analgesia resulting from a single-shot ISB with ropivacaine 0.75%. (Link to Publication Site) ● Publication site (DOI): 10.2147/LRA.S59158 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 24817819 ● Search Scopus @ Elsevier (PMID): 24817819 ● Search Scopus @ Elsevier (DOI): 10.2147/LRA.S59158 (DOI: 10.2147/LRA.S59158, PubMed: 24817819)
18.	Katsuyoshi Kume, Yasuo Tsutsumi M, Tomohiro Soga, Yoko Sakai, Noriko Kambe, Ryosuke Kawanishi, Eisuke Hamaguchi, Tomiya Kawahara, Asuka Kasai, Yoshimi Nakaji, Yousuke Horikawa T, Souichiro Nakayama, Takashi Kaji, Minoru Irahara and Katsuya Tanaka : A case of placenta percreta with massive hemorrhage during cesarean section., The Journal of Medical Investigation : JMI, 61, 1-2, 208-212, 2014. (Summary) We describe a case of a 39-year-old woman diagnosed with placenta percreta complicated by massive hemorrhage during a cesarean section. At 27 weeks of gestation, she underwent an emergency cesarean section under general anesthesia for vaginal bleeding and an intrauterine infection. Soon after delivery, a massive hemorrhage was encountered while attempting to separate the placenta percreta from the bladder wall. Although total abdominal hysterectomy and partial cystectomy were performed, massive hemorrhaging persisted. Bleeding was finally controlled following bilateral internal iliac artery embolization. We used a cell salvage device and a rapid infuser for hemodynamics stabilization. Total blood loss was 47,000 mL, and anesthesia time was 12 h and 47 min. The patient was discharged on the 32(nd) postoperative day without major complications. Placenta accreta can be associated with life-threatening hemorrhage and it is vital to plan accordingly preoperatively. (Keyword) Adult / Blood Loss, Surgical / Cesarean Section / Cystectomy / Embolization, Therapeutic / Female / Hemodynamics / Hemorrhage / Humans / Hysterectomy / Placenta Accreta / Pregnancy / Treatment Outcome (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.61.208 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 24705768 ● Search Scopus @ Elsevier (PMID): 24705768 ● Search Scopus @ Elsevier (DOI): 10.2152/jmi.61.208 (DOI: 10.2152/jmi.61.208, PubMed: 24705768)
19.	Kaori Yamamoto, Ritsuko Go, Kaon Nakai, Yoko Tobetto, Ryosuke Kawanishi and Michihisa Kato : Three cases of latex allergy complicated with anaphylaxis during cesarean section, Masui, 61, 10, 1080-1084, 2012. (Summary) We experienced three cases of latex anaphylaxis during cesarean section in one year. 1 A 26-year-old woman underwent emergency cesarean section. Combined spinal-epidural anesthesia was performed and drip infusion of cefazolin sodium was started before operation. After delivery, intravenous injection of methylergometrine maleate and intramyometrial injection of oxytocin were given. Eight minutes after delivery, she complained of dyspnea and edema of eyelids; no change in vital signs were noted. We suspected an anaphylactic reaction and administered antihistamines as well as methylprednisolone. Inhalation of beta-stimulators and sevoflurane using a face mask improved her respiratory symptoms. A 25-year-old woman underwent emergency cesarean section. We noticed wheals involving her eyelids and legs after operation and administered methylprednisolone. CASE 3: A 23-year-old woman underwent elective cesarean section. Five minutes after delivery and oxytocin injection, she complained of edema of eyelids, facial erythematous edema, and dyspnea. We suspected latex anaphylaxis and stopped using latex products. Then, we treated her with antihistamines, methylprednisolone and beta-stimulators. The diagnosis of latex anaphylaxis was made by positive results of skin tests to latex and an increase in the levels of latex-specific immunoglobulin E. We conclude that cesarean section is an important risk factor for latex anaphylaxis. (Keyword) Anaphylaxis / Cesarean section / Latex allergy (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 23157090 ● Summary page in Scopus @ Elsevier: 2-s2.0-84867673041 (PubMed: 23157090, Elsevier: Scopus)

Review, Commentary:

1.	Ryosuke Kawanishi and Katsuya Tanaka : AsisTIVAの有用性と問題点, Journal of Clinical Anesthesia (Japan), 49, 5, 543-549, 2025.
2.	Yasuo Tsutsumi, Ryosuke Kawanishi and Katsuya Tanaka : 第7章特殊病態や特殊状態下での使用 2 喘息患者・COPD, 臨床麻酔実践シリーズ8 デスフルランの上手な使い方, 152-154, Oct. 2016.
3.	Ryosuke Kawanishi, Yasuo Tsutsumi and Katsuya Tanaka : 第6章各科手術での使用 4 胸部(呼吸器)外科手術 -HPV・重症筋無力症―, 臨床麻酔実践シリーズ8 デスフルランの上手な使い方, 106-110, Oct. 2016.
4.	Yasuo Tsutsumi, Ryosuke Kawanishi and Katsuya Tanaka : デスフルランの上手な使い方特殊病態や状態下での使用: 喘息患者・COPD患者, 日本臨床麻酔学会誌, 36, 4, 491-493, Apr. 2016.
5.	Ryosuke Kawanishi, Yasuo Tsutsumi and Katsuya Tanaka : デスフルランの上手な使い方各科手術での使用:胸部(呼吸器)外科手術 -HPV・重要筋無力症-, 臨床麻酔学会誌, 36, 4, 464-467, Apr. 2016.

Proceeding of International Conference:

1.	Hiroki Yonezawa, Miki Yuya, Nami Kakuta, Takamune Minote, Yuki Maeda, Ryosuke Kawanishi and Katsuya Tanaka : Investigation of the efficacy of inhaled nitric oxide for intraoperative one-lung ventilation with minimally invasive cardiac surgery. A single-center retrospective study-, 40th EACTAIC Annual Congress 2025, Dec. 2025.
2.	Yuki Maeda, Ryosuke Kawanishi and Katsuya Tanaka : Effect-site fentanyl concentrations after laparoscopic gastrointestinal surgery: A retrospective study., American Society of Anesthesiologists 2025 Annual Meeting, San Antonio, Oct. 2025.
3.	Katsuya Tanaka, Suzuki Takashi, Yuki Ishikawa, Michiko Kinoshita, Ryosuke Kawanishi and Nami Kakuta : Association between iMg levels during cardiac surgery and postoperative QT prolongation Comparison of St Thomas cardioplegic solution and magnesium-free cardioplegic solution -., Anesthesiologists 2024 Annual Meeting, Philadelphia, Oct. 2024.
4.	Ryo Sekiguchi, Michiko Kinoshita, Ryosuke Kawanishi, Nami Kakuta, Yoko Sakai and Katsuya Tanaka : Comparison Between Hemodynamics Of Remimazolam And Propofol During General Anesthesia: A Randomized Study, The Anesthesiology Annual Meeting, Oct. 2022.
5.	Nomura Honoka, Ryosuke Kawanishi, Honda Yasuto and Katsuya Tanaka : The effects of ten minutes' pre-warming of body temperature during breast surgery., American Society of Anesthesiology 2021 Annual Meeting, Online, Oct. 2021.
6.	Ryosuke Kawanishi and Katsuya Tanaka : Comparison of facemask pressure-controlled ventilation and facemask pressure-conntrolled ventilation volume-guaranteed during induction of anesthesia. - A randomized-controlled trial -, American Society of Anesthesiologists, WEB, Oct. 2020.
7.	Yuta Uemura, Nami Kakuta, Ryosuke Kawanishi and Katsuya Tanaka : Effects of administration based on muscle mass on the onset and duration of action., American Society of Anesthesiologists 2019 Annual Meeting, Orlando FL, Oct. 2019.
8.	Kei Muraoka, Myonri Kan, Ryosuke Kawanishi, Shiho Satomi, Yasuo Tsutsumi and Katsuya Tanaka : Risk factors Associated with Hoarseness and Glottis Edema after Tracheal Intubation., American Society of Anesthesiologists 2016 Annual Meeting 2016.10.23, Chicago, Oct. 2016.
9.	Ryosuke Kawanishi, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : Desflurane improves lung collapse during one lung ventilation as compared with propofol and reduces the duration of video-assist American Society of Anesthesiologists 2015 Annual Meeting, San Diego, Oct. 2015.
10.	Shiho Satomi, Ryosuke Kawanishi, Katsuya Tanaka, Kouhei Fukuta, Katsuyoshi Kume and Eisuke Hamaguchi : Comparison of four arterial catheterization techniques using transparent vessel model by inexperienced doctors. American Society of Anesthesiologists 2015 Annual Meeting, San Diego, Oct. 2015.
11.	Noriko Kambe, Ryosuke Kawanishi, Yoshimi Nakaji, Matsumoto Tomomi, Katsuyoshi Kume and Katsuya Tanaka : Effects of Tracheal Intubation with Airwayscope on the Injury around Glottis in a Manikin with Normal Airway, American Society of Anesthesiologist annual meeting, Oct. 2014.
12.	Mai Morimoto, Katsuya Tanaka, Michiko Kinoshita, Noriko Kambe, Ryosuke Kawanishi, Katsuyoshi Kume, Naohiro Oshita, Yasuo M. Tsutsumi and Shuzo Oshita : Effects of new developed mask for novel mask holding on the quality of mask ventilation and the pressure between face and mask., The American Society of Anesthesiologist Annual Meeting, San Francisco, Oct. 2013.

Proceeding of Domestic Conference:

1.	Hiroki Yonezawa, Michiko Kinoshita, Ryosuke Kawanishi and Katsuya Tanaka : 全静脈麻酔支援シリンジポンプ制御ソフトウェア(AsisTIVA)による麻酔科医の作業負荷軽減効果の検討:ランダム化比較試験, 日本麻酔科学会第73回学術集会, May 2026.
2.	三倉健太, Ryosuke Kawanishi, Takamune Minote and Katsuya Tanaka : i-gel挿入下にタムガイドを併用し胃菅を留置した2例, 日本臨床麻酔学会第45回大会, Dec. 2025.
3.	Ryosuke Kawanishi, Hiroki Yonezawa and Katsuya Tanaka : AsisTIVAでの麻酔管理中，プロポフォールとレミフェンタニルが高度低用量で維持された一例, 日本麻酔科学会中国・四国支部第62回学術集会, Sep. 2025.
4.	高橋未奈, Ryosuke Kawanishi and Katsuya Tanaka : 脳幹腫瘍に対する開頭生検術後，頻呼吸のため長期人工呼吸管理を要した一例, 日本麻酔科学会第72回学術集会, Jun. 2025.
5.	Ryosuke Kawanishi and Katsuya Tanaka : シンポジウム15 術後疼痛管理を円滑に行うためにきめ細やかな術後疼痛管理を目指して, 日本区域麻酔学会第11回学術集会, Nov. 2024.
6.	Hiroya Endo, Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : 長期挿管後の乳児の全身麻酔導入時に声門下狭窄による挿管不能が発覚した一例日本小児麻酔学会第29回大会 2024/8/30 大阪市, Aug. 2024.
7.	Ryosuke Kawanishi and Katsuya Tanaka : 麻酔導入時レミマゾラム急速投与の血行動態への影響プロポフォールとの比較後方視検討第45回日本循環制御医学会総会・学術集会 2024.6.28 徳島市, Jun. 2024.
8.	櫻井静佳, Ryosuke Kawanishi and Katsuya Tanaka : 麻酔導入中に2度房室ブロックから3度房室ブロックへ移行した症例の麻酔経験, Jun. 2024.
9.	Kentaro Hirota, Nami Kakuta, Ryosuke Kawanishi and Katsuya Tanaka : 高度肥満症に対し腹腔鏡下スリーブ胃切除術でAcumen HPIを使用し全身麻酔管理した一例第45回日本循環制御医学会総会・学術集会 2024.6.28 徳島市, Jun. 2024.
10.	岩朝一馬, Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : 高齢肺がん患者で右中葉下葉切除術後の左下葉部分切除術に対して左下葉の選択的ブロックを行った症例の麻酔経験第36回日本老年麻酔学会, Feb. 2024.
11.	高橋里加子, Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : 2回目の迷走神経刺激術時にテスト刺激により心停止を伴う高度な徐脈を認めた症例第44回日本循環制御医学会, Jul. 2023.
12.	Yuki Maeda, Nami Kakuta, Asuka Kasai, Ryosuke Kawanishi and Katsuya Tanaka : Eisenmenger症候群患者の腹腔鏡下子宮全摘術の麻酔経験第44回日本循環制御医学会, Jul. 2023.
13.	Ryosuke Kawanishi and Katsuya Tanaka : 前額部温と鼓膜温で評価した麻酔導入後の体温の推移の検討第34回日本臨床モニター学会, Apr. 2023.
14.	Yohei Sogabe, Nami Kakuta, Ryosuke Kawanishi and Katsuya Tanaka : 有茎性振り子状の声帯腫瘍の喉頭微細手術に対して高頻度ジェット換気を使用した麻酔経験第35回日本老年麻酔学会, Mar. 2023.
15.	Ryosuke Kawanishi and Katsuya Tanaka : Optimal Oxygenation during Anesthesia Maintenance:How to Reduce Perioperative Invasion?, The Journal of Japan Society for Clinical Anesthesia, 42, 4, 391-395, Jul. 2022. (Keyword) 麻酔維持中の酸素化 / 急性肺障害 / 吸収性無気肺 / 肺の虚脱 / 一側肺換気 / Oxygenation during anesthesia maintenance / Acute lung injury / Absorptive atelectasis / Lung collapse / One-lung ventilation (Link to Publication Site) ● Publication site (DOI): 10.2199/jjsca.42.391 (Link to Search Site for Scientific Articles) ● CiNii @ National Institute of Informatics (CRID): 1390293246495122560 ● Search Scopus @ Elsevier (DOI): 10.2199/jjsca.42.391 (DOI: 10.2199/jjsca.42.391, CiNii: 1390293246495122560)
16.	前田卓也, Kohji Shinohara, 武藤さら良, Michiko Kinoshita, Ryosuke Kawanishi and Katsuya Tanaka : 神経核内封入体病患者の麻酔経験, 日本麻酔科学会中国・四国支部第59回学術集会, 2022.
17.	Yuta Uemura, Yuki Ishikawa, Ryosuke Kawanishi and Katsuya Tanaka : 筋弛緩薬の作用時間と筋肉量当たりの筋弛緩薬投与量との関連性, 日本麻酔科学会第66回学術集会, 2019.
18.	Yoshinobu Tomiyama, Ryosuke Kawanishi and Asuka Kasai : 腹腔鏡胸腔鏡手術時間の年次推移, 日本手術医学会誌, 41, Supplement, 164, Sep. 2019.
19.	Yuji Yoshida, Ryosuke Kawanishi and Katsuya Tanaka : 麻酔器の人工呼吸器を用いた両手マスク換気に対するPCV-Vの有用性の検討, 日本麻酔科学会中国四国第56回学術集会, Sep. 2019.
20.	Shotaroh Nitta, Yuki Ishikawa, Ryosuke Kawanishi, Yoko Sakai and Katsuya Tanaka : 抜管までの時間から見た脊椎手術におけるデスフルランの有用性, 日本麻酔科学会中国四国第56回学術集会, Sep. 2019.
21.	Takamune Minote, Hideto Sasaki, Ryosuke Kawanishi, Michiko Kinoshita and Katsuya Tanaka : 呼吸困難を伴う縦隔腫瘍患者に対して術前化学療法を行い全身麻酔下に縦隔リンパ節生検を行った一例, 日本麻酔科学会中国四国第56回学術集会, Sep. 2019.
22.	篠原光治, 三橋寛奈, Ryosuke Kawanishi, Noriko Yokota, Hiroki Ishibashi and Katsuya Tanaka : 人工呼吸器を用いたマスク換気下のファイバーによる観察が喉頭気管食道裂の質的評価に有用であった一例, 日本麻酔科学会中国四国第56回学術集会, Sep. 2019.
23.	Yuki Maeda, 吉田佳子, Ryosuke Kawanishi and Katsuya Tanaka : わずかなデスフルラン濃度増加により著名な交感神経刺激症状を呈した一例, 日本麻酔科学会中国四国第56回学術集会, Sep. 2019.
24.	Hiroki Yonezawa, Takuro Oyama, Shiho Satomi, Nami Kakuta, Ryosuke Kawanishi, Yoko Sakai, Yasuo Tsutsumi and Katsuya Tanaka : イオン化マグネシウムの補正がtorsades de pointesの再発予防に有効であった一例, 第40回日本循環制御医学会, Jun. 2019.
25.	板東悠太郎, 吉田佳子, Ryosuke Kawanishi and Katsuya Tanaka : 当院における超緊急帝王切開術の検討, 日本麻酔科学会第66回学術集会, May 2019.
26.	Hiroki Yonezawa, 大西亜里香, Ryosuke Kawanishi and Katsuya Tanaka : 食道切除後の呼吸状態に影響を与える因子の検討, 日本麻酔科学会第66回学術集会, May 2019.
27.	Yoshinobu Tomiyama, Ryosuke Kawanishi, Asuka Kasai, Yuki Ishikawa and 板東悠太郎 : Factors that influence the time from end of surgery to operating room exi, 麻酔, 67, May 2019.
28.	Kentaro Hirota, Ryosuke Kawanishi, Sachiyo Higashijima, Kouhei Fukuta, Yasuo Tsutsumi and Katsuya Tanaka : 高度肥満患者の帝王切開術の麻酔経験, 日本麻酔科学会中国四国支部第55回学術集会, Sep. 2018.
29.	大西亜里香, Ryosuke Kawanishi, Nami Kakuta, Shiho Satomi, Yoko Sakai and Katsuya Tanaka : マクロクレアチニンキナーゼ血症を合併した開腹結腸悪性腫瘍切除術の麻酔経験, 日本麻酔科学会中国四国支部第55回学術集会, Sep. 2018.
30.	沖田和也, Yuta Uemura, Yuki Ishikawa, Ryosuke Kawanishi and Katsuya Tanaka : 筋肉量当たりのロクロニウム投与量が作用発現及び持続時間に与える影響, 日本麻酔科学会中国四国支部第55回学術集会, Sep. 2018.
31.	内藤茂之, Ryosuke Kawanishi, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : マスク換気時に胃内への空気流入が起こる最小の吸気圧の検討, 日本麻酔科学会中国四国支部第55回学術集会, Sep. 2018.
32.	Yoshinobu Tomiyama, Ryosuke Kawanishi and Naoji Mita : Examination of various factors affecting the difference between scheduled operation time and operation time, Japamnse Association for Operative Medicine, 39, supplement, 116, Sep. 2018.
33.	Yoshinobu Tomiyama, Ryosuke Kawanishi and Naoji Mita : Effects of postoperative X-ray radiography and wireless FDP-equipped radiography system on the time from end of surgery to operating room exit, Japanese Association for Operative Medicine, 40, Supplement, 116, Sep. 2018.
34.	Ryosuke Kawanishi, Yuki Ishikawa, Takuro Oyama, Nami Kakuta and Katsuya Tanaka : マスク換気時の上気道狭窄部位の同定，咽頭狭窄のリスク因子の検討, 日本麻酔科学会第65回学術集会, May 2018.
35.	Katsuya Tanaka, Ryosuke Kawanishi and Yasuo Tsutsumi : 分離肺換気でのデスフルラン使用デスフルランを使う理由∼臨床経験から∼, 日本臨床麻酔学会第37回大会スポンサードシンポジウム, Nov. 2017.
36.	吉田佳子, Ryosuke Kawanishi, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : スリップジョイントからのfogartyカテーテルの挿入・固定で安定した分離肺換気を施行下新生児の一例, 本麻酔科学会中国・四国第54回学術集会, Sep. 2017.
37.	Riho Komatsu, Ryosuke Kawanishi, Naoji Mita, Nami Kakuta and Katsuya Tanaka : マスク換気困難のリスク因子および咽頭狭窄のリスク因子の検討, 日本麻酔科学会中国・四国第54回学術集会, Sep. 2017.
38.	Nami Kakuta, Yasuo Tsutsumi, Katsuya Tanaka and Ryosuke Kawanishi : 救急救命士の喉頭鏡を用いた気管挿管の成功率, 第42回日本外科系連合学術集会, Jun. 2017.
39.	Shiho Satomi, Ryosuke Kawanishi, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : 低肺機能患者に対し気管支ブロッカーによる選択的気管支ブロック下に左肺舌区切除術を行った一例, 日本臨床麻酔学会第36回大会, Nov. 2016.
40.	Ryosuke Kawanishi, 香留希実子, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : 胸腔鏡手術に対する麻酔維持薬の手術時間に及ぼす影響, 日本麻酔学科会第63回大会, May 2016.
41.	里見志保, Ryosuke Kawanishi, Chiaki Murakami, Asuka Kasai, Noriko Niki, Katsuyoshi Kume and Katsuya Tanaka : 抜管後の気息性嗄声に対し内視鏡を用いて左反回神経麻痺を早期に診断できた一例日本臨床麻酔学会第35回大会, Oct. 2015.
42.	Kei Muraoka, Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : 全身麻酔における気管挿管が喉頭機能に与える影響日本麻酔科学会中国・四国支部第52回学術集会, Sep. 2015.
43.	Katsuya Tanaka, Ryosuke Kawanishi, Nami Kakuta and Yasuo Tsutsumi : 吸入麻酔薬による臓器保護効果日本麻酔科学会中国・四国支部第52回学術集会, Sep. 2015.
44.	Ryosuke Kawanishi, Noriko Kambe, Tomohiro Soga, Yasuo Tsutsumi and Katsuya Tanaka : 胸腔鏡下胚葉切除術において麻酔維持薬が肺の虚脱と手術時間に与える影響 - デスフルラン vs プロポフォール- 日本麻酔科学会第62回学術集会, Sep. 2015.
45.	Myonri Kan, Ryosuke Kawanishi, Chiaki Murakami, 里見志帆, Yasuo Tsutsumi and Katsuya Tanaka : 術後回診による麻酔の質の評価 -前向きコホート研究- 日本麻酔科学会中国・四国支部第52回学術集会, Sep. 2015.
46.	Ryosuke Kawanishi, Nami Kakuta and Katsuya Tanaka : 全身麻酔における気管挿管が喉頭機能に与える影響日本麻酔科学会中国・四国支部第52回学術集会, Sep. 2015.
47.	石崎美崎, Katsuya Tanaka, Ryosuke Kawanishi, Yoshimi Nakaji, Yuta Uemura and Yasuo Tsutsumi : 呼吸器外科手術後の合併症に及ぼす因子 -麻酔薬の選択の影響―, 日本麻酔科学会中国・四国支部第51回学術集会, Sep. 2014.
48.	Ryosuke Kawanishi, 香留希実子, Yoko Sakai, 松本朋美 and Katsuya Tanaka : エアウェイスコープを併用した意識下ファイバー挿管が有用であった披裂部湯用による声門狭窄の1例, 日本麻酔科学会中国・四国支部第51回学術集会, Sep. 2014.
49.	佐藤志帆, Ryosuke Kawanishi, Katsuya Tanaka, 河原富也, 植村勇太 and Yasuo Tsutsumi : 透明な血管モデルを用いた研修医による動脈穿刺法の比較 -潅流圧の高低による比較―, 日本麻酔科学会中国・四国支部第51回学術集会, Sep. 2014.
50.	Ryosuke Kawanishi, 中路佳美, Noriko Kambe, Nami Kakuta, Yasuo Tsutsumi and Katsuya Tanaka : 血管透見モデルを用いた研修医による動脈穿刺法の比較, 第61回日本麻酔科学会学術集会, May 2014.
51.	Yasuo Tsutsumi, Nami Kakuta, Katsuyoshi Kume, Tomohiro Soga, Ryosuke Kawanishi and Katsuya Tanaka : 脳神経外科開頭手術後の嘔気・嘔吐に対するニューロキニン1受容体拮抗剤とオンダンセトロンの有効性の比較検討, 第61回日本麻酔科学会, May 2014.
52.	Noriko Kambe, 中路佳美, Ryosuke Kawanishi, 松本朋美 and Katsuya Tanaka : エアウェイスコープ，McGRATHおよびMcGRATHを用いた直視下の気管挿管の有用性と合併症リスク評価:マネキンによる研究, 第61回日本麻酔科学会学術集会, May 2014.
53.	Ryosuke Kawanishi, Katsuyoshi Kume, Tomiya Kawahara, Yasuo Tsutsumi, Katsuya Tanaka and Shuzo Oshita : 経気管支鏡高頻度ジェット換気および局所麻酔のジェット噴霧を用い，苦痛の少ない意識下経鼻ファイバー挿管を行った一例, 第50回日本麻酔科学会中国・四国支部学術集会, Sep. 2013.

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Associate Professor : Kawanishi, Ryosuke

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