Tokushima University / Educator and Researcher Directory --- Yonetani, Naoto

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Tokushima University ⟩ University Hospital ⟩ Clinical Division ⟩ Department of Pediatrics,Obstetrics and Gynecology ⟩ Obstetrics snd Gynecology ⟩
Tokushima University ⟩ Faculty of Medicine ⟩ School of Medicine ⟩ Course of Human Development ⟩ Obstetrics and Gynecology ⟩

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Research Activity

Field of Study

Subject of Study

Book / Paper

Academic Paper (Judged Full Paper):

1.	Eishi Sogawa, Takashi Kaji, Soichiro Nakayama, Atsuko Yoshida, Naoto Yonetani, Kazuhisa Maeda, Toshiyuki Yasui and Minoru Irahara : Seasonal variation of serum 25(OH)vitamin D levels in maternal and umbilical cord blood in Japanese women, The Journal of Medical Investigation : JMI, Vol.66, No.1.2, 128-133, 2019. (Summary) We aimed to demonstrate that the serum 25-hydroxyvitamin D (25(OH)D) level in maternal and umbilical cord blood has a seasonal variation in Japanese women. The study cohort comprised 256 healthy Japanese women with a singleton pregnancy who delivered after 36 gestational weeks between 2012 and 2015. The season at delivery was categorized for 3 months and recorded as "spring", "summer", "autumn" and "winter". Subjects were divided into four groups according to season. A sample of peripheral venous blood at 35-36 gestational weeks and blood from the umbilical vein at delivery were taken. The mean serum 25(OH)D concentra tion (ng/mL) in maternal blood for each season (spring, summer, autumn and winter) was 18.0 (?6.7), 17.1 (?5.1), 21.6 (?8.0) and 16.0 (?5.1), whereas that for umbilical cord blood was 8.8 (?3.6), 8.6 (?2.6), 10.7 (?3.5) and 8.6 (?2.1), respectively. The mean serum 25(OH)D concentration of maternal and umbilical cord blood in autumn was higher than that for the other three seasons. In pregnant Japanese women, the mean serum 25(OH)D concentration in maternal and umbilical cord blood was affected by the season of delivery, with both being highest in autumn. Regardless of the season, the maternal serum concentration of 25(OH)D was low in Japan. J. Med. Invest. 66 : 128-133, February, 2019. (Keyword) Adult / female / Fetal Blood / Humans / Pregnancy / Seasons / vitamin D (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.66.128 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 31064925 ● Summary page in Scopus @ Elsevier: 2-s2.0-85065779659 (DOI: 10.2152/jmi.66.128, PubMed: 31064925, Elsevier: Scopus)
2.	Atsuko Yoshida, Takashi Kaji, Hirotsugu Yamada, Naoto Yonetani, Eishi Sogawa, Masami Yamao, Kazuhisa Maeda, Masataka Sata and Minoru Irahara : Measurement of hemodynamics immediately after vaginal delivery in healthy pregnant women by electrical cardiometry., The Journal of Medical Investigation : JMI, Vol.66, No.1.2, 75-80, 2019. (Summary) Few reports have focused on hemodynamics around delivery in pregnant women because of the difficulty of continuous and noninvasive measurement. Electrical cardiometry allows noninvasive continuous monitoring of hemodynamics and has recently been used in non-pregnant subjects. We compared the use of electrical cardiometry versus transthoracic echocardiography in healthy pregnant women and evaluated hemodynamics immediately after vaginal delivery. In Study 1, electrical cardiometry and transthoracic echocardiography were used to measure cardiac output in 20 pregnant women with threatened premature delivery. A significant correlation was found between the two methods, with electrical cardiometry showing the higher cardiac output. In Study 2, heart rate, stroke volume, and cardiac output were continuously measured in 15 women during vaginal delivery up to 2 h postpartum. Cardiac output increased markedly because of an increased heart rate and stroke volume at the time of newborn delivery. The heart rate then immediately returned to baseline, while cardiac output remained elevated for at least 2 h after delivery because of a sustained high stroke volume. Electrical cardiometry was as readily available as transthoracic echocardiography for evaluating hemodynamics and allowed for continuous measurement during labor. High intrapartum cardiac output was sustained for at least 2 h after vaginal delivery. J. Med. Invest. 66 : 75-80, February, 2019. (Tokushima University Institutional Repository) ● Metadata: 113325 (Link to Publication Site) ● Publication site (DOI): 10.2152/jmi.66.75 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 31064959 ● Search Scopus @ Elsevier (PMID): 31064959 ● Search Scopus @ Elsevier (DOI): 10.2152/jmi.66.75 (Tokushima University Institutional Repository: 113325, DOI: 10.2152/jmi.66.75, PubMed: 31064959)
3.	Takeshi Iwasa, 谷口友香, 中山聡一朗, Naoto Yonetani, Atsuko Yoshida, Akiko Abe, Yuri Yamamoto, Takashi Kaji, Akira Kuwahara, Toshiya Matsuzaki and Minoru Irahara : 徳島大学病院産科婦人科における不育症患者に対する染色体検査の実施状況, Modern Trends in Obstetrics & Gynecology, Vol.67, No.1, 21-24, 2018. (Link to Search Site for Scientific Articles) ● CiNii @ National Institute of Informatics (NAID): 40021769851 (CiNii: 40021769851)

Academic Paper (Unrefereed Paper):

1.	井上麻由, 上田美香, Takashi Kaji, 黒濱綾子, 田山正伸, Ryuji Nakagawa, Masahito Nakataki, 橋本公子, 橋本直子, 春名充, Masahiko Maegawa, 松下由喜代, 宮上和美, Naoto Yonetani, Minoru Irahara and Mari Haku : 徳島県妊産婦メンタルケア対策早期発見と支援のポイント(解説), 徳島産婦人科医報, No.52, 130-149, 2019.

Proceeding of International Conference:

1.	Takashi Kaji, Kazuhisa Maeda, Atsuko Hichijyo, Naoto Yonetani and Minoru Irahara : Fetal hypospadias: association of its severity and prenatal diagnosis, 29th World Congress on Ultrasound in Obstetrics and Gynecology Berlin, Berlin, Oct. 2019.
2.	Takashi Kaji, Yasunobu Hayabuchi, Kazuhisa Maeda, Atsuko Hichijyo, Naoto Yonetani, Takahashi Yohei, Nakayama Soichiro and Minoru Irahara : Prenatal assessment of coronary artery anatomy using color Doppler in cases of D-transposition of the great arteries: case reports., Prenatal assessment of coronary artery anatomy using color Doppler in cases of D-transposition of the great arteries: case reports., Rome, Sep. 2016.

Proceeding of Domestic Conference:

1.	Takashi Kaji, Yasunobu Hayabuchi, Ryuji Nakagawa, Eishi Sogawa, Atsuko Hichijyo, Naoto Yonetani, Ken-ichi Suga, 稲村昇 and Minoru Irahara : 胎児診断により出生直後の左腕頭動脈肺動脈起始から左腕頭動脈孤立症への経過を観察できた1例, 第30回日本心エコー図学会・学術集会, May 2019.
2.	吉本夏実, Takashi Kaji, Yasunobu Hayabuchi, 今泉絢貴, Atsuko Hichijyo, Naoto Yonetani, Ken-ichi Suga, Ryuji Nakagawa and Minoru Irahara : 出生後に高度気管狭窄症状を呈した左肺動脈右肺動脈起始(PA sling)の一例, 第91回日本超音波医学会学術集会, Jun. 2018.
3.	Atsuko Hichijyo, Takashi Kaji, Naoto Yonetani, Minoru Irahara and Ryuji Nakagawa : 当院における精神疾患合併妊娠の検討, 第112回徳島周産期研究会, Nov. 2017.
4.	Yuko Ichihara, Ken-ichi Suga, Ryuji Nakagawa, Naoto Yonetani and Minoru Irahara : 早産と正期産の妊婦における血清ビオチン濃度の検討, 第53回日本周産期・新生児学会学術集会, Jul. 2017.
5.	Takashi Kaji, Atsuko Hichijyo, Naoto Yonetani, Yasunobu Hayabuchi, Kazuhisa Maeda and Minoru Irahara : 胎児心室中隔欠損における欠損部位の違いによる短絡血流の差異, 第90回日本超音波医学会・学術集会, May 2017.
6.	Ryuji Nakagawa, Ken-ichi Suga, Aya Gohji, Shoji Kagami, Takashi Kaji, Atsuko Hichijyo and Naoto Yonetani : 先天性サイトメガロウイルス感染症の2例, 第147回日本小児科学会徳島地方会, Dec. 2016.
7.	市原裕子, 庄野実希, 渡辺典子, Ken-ichi Suga, Ryuji Nakagawa, Atsuko Hichijyo, Naoto Yonetani, Takashi Kaji and Shoji Kagami : 当院で経験した染色体核型が異なるMD双胎の2例, 第110回徳島周産期研究会, Oct. 2016.
8.	Atsuko Hichijyo, Takashi Kaji, Naoto Yonetani, Youhei Takahashi, Souichiro Nakayama, Ken-ichi Suga, Ryuji Nakagawa and Shoji Kagami : 異なる性別を呈した一絨毛膜二羊膜双胎の一例, 徳島産婦人科医報, Vol.49, 29, Aug. 2016.

Et cetera, Workshop:

1.	Atsuko Yoshida, Takashi Kaji, Eishi Sogawa, Naoto Yonetani, Ken-ichi Suga, Ryuji Nakagawa and Minoru Irahara : 男性ホルモン投与中に自然妊娠し女児を出産したFemale to Maleの一例, 徳島産婦人科医報, No.52, 38, Oct. 2019.
2.	Ken-ichi Suga, Ryuji Nakagawa, Atsuko Yoshida, Naoto Yonetani, Takashi Kaji, Minoru Irahara, Miki Shono and Shoji Kagami : 当院周産母子センターの過去5年間での在胎30週未満の早産児の臨床データ解析全国周産期医療母子医療センターネットワークデータとの比較, 徳島産婦人科医報, No.52, 39, Oct. 2019.
3.	Eishi Sogawa, Takashi Kaji, Atsuko Yoshida, Naoto Yonetani, Miki Shono, Ken-ichi Suga, Ryuji Nakagawa and Shoji Kagami : 胎児期からBartter症候群を疑うことができた一例, 日本周産期・新生児医学会雑誌, Vol.55, No.2, 550, Jun. 2019.
4.	吉本夏実, Takashi Kaji, Atsuko Yoshida, Eishi Sogawa, Naoto Yonetani, Yuko Ichihara, Ken-ichi Suga, Ryuji Nakagawa, Hiroki Ishibashi and Minoru Irahara : 胎児超音波にて直腸腟前庭瘻を描出できた鎖肛の一例, Japanese Journal of Medical Ultrasonics, Vol.46, No.Suppl., S695, Apr. 2019.
5.	Ken-ichi Suga, Ryuji Nakagawa, 吉田あつ子, Naoto Yonetani, Takashi Kaji, Minoru Irahara, 庄野実希 and Shoji Kagami : 院周産母子センターの過去5年間での在胎30週未満の早産児の臨床データ解析~全国周産期母子医療センターネットワークデータとの比較~, 第151会日本小児科学会徳島地方会, Dec. 2018.
6.	Takashi Kaji, Atsuko Hichijyo, Naoto Yonetani, Ken-ichi Suga, Ryuji Nakagawa, Keigo Yada, Hiroki Mori and Hiroki Ishibashi : 鎖肛の胎児超音波所見についての検討, 徳島産婦人科医報, No.51, 33, Aug. 2018.
7.	Atsuko Hichijyo, Takashi Kaji, Naoto Yonetani, Ryuji Nakagawa and Minoru Irahara : 当院における精神疾患合併妊娠の検討, 徳島産婦人科医報, No.51, 34, Aug. 2018.
8.	Atsuko Yoshida, Takashi Kaji, Junki Imaizumi, Naoto Yonetani, Ryuji Nakagawa and Minoru Irahara : 男性ホルモン投与中に自然妊娠し，女児を出産したFemale to Maleの一例, 日本周産期・新生児医学会雑誌, Vol.54, No.2, 611, Jun. 2018.
9.	武田明日香, Takashi Kaji, Junki Imaizumi, Atsuko Hichijyo, Naoto Yonetani, Yuko Ichihara, Ken-ichi Suga, Ryuji Nakagawa and Minoru Irahara : 出生後に高度気管狭窄症状を呈した左肺動脈右肺動脈起始(PA sling)の一例, 日本周産期・新生児医学会雑誌, Vol.54, No.2, 697, Jun. 2018.
10.	吉本夏実, Takashi Kaji, Yasunobu Hayabuchi, Junki Imaizumi, Atsuko Yoshida, Naoto Yonetani, Ken-ichi Suga, Ryuji Nakagawa and Minoru Irahara : 出生後に高度気管狭窄症状を呈した左肺動脈右肺動脈起始(PA sling)の一例, Japanese Journal of Medical Ultrasonics, Vol.45, 845, Apr. 2018.
11.	市原裕子, 渡辺典子, Ken-ichi Suga, Ryuji Nakagawa, Shoji Kagami, Atsuko Hichijyo, Takashi Kaji, Naoto Yonetani and Minoru Irahara : Townes-Brocks症候群が疑われる多発奇形の1例, 第112回徳島周産期研究会, Nov. 2017.
12.	Yuko Ichihara, Noriko Watanabe, Ken-ichi Suga, Ryuji Nakagawa, 林亜紀, Atsuko Hichijyo, Naoto Yonetani, Takashi Kaji, 悦子李, 伊藤正一 and 萩山佳子 : 抗Jra保有妊婦から出生した新生児貧血の一例, 第34回四国新生児医療研究会, May 2017.
13.	Takashi Kaji, Atsuko Hichijyo, Naoto Yonetani, Minoru Irahara, Ken-ichi Suga, Ryuji Nakagawa and Hiroki Ishibashi : 鎖肛の胎児超音波所見についての検討, 第111回徳島周産期研究会, May 2017.
14.	Yuko Ichihara, Noriko Watanabe, Ken-ichi Suga, Ryuji Nakagawa, 林亜紀, Atsuko Hichijyo, Naoto Yonetani, Takashi Kaji, 悦子李, 伊藤正一 and 萩山佳子 : 抗Jra保有妊婦から出生した新生児貧血の一例, 第111回徳島周産期研究会, May 2017.

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