Faculty Profiles - MASUYAMA Hisashi

Papers - MASUYAMA Hisashi

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婦人科がん患者の長期治療は職場復帰に影響を与える

谷佳紀, 中村圭一郎, 坂田周治郎, 大石恵一, 三苫智裕, 依田尚之, 樫野千明, 牧尉太, 光井崇, 鎌田泰彦, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 109 - 109 2024.10

妊娠中の腰痛骨盤痛への認識ギャップと医療介入の必要性

道満佳衣, 牧尉太, 坂田周治郎, 大石恵一, 三苫智裕, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 151 - 151 2024.10

緊急事態宣言が都道府県別出生回復率に及ぼす影響社会人口学的要因と妊娠意欲の関連

三苫智裕, 牧尉太, 坂田周治郎, 大石恵一, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 152 - 152 2024.10

婦人科がん患者の医療機関への就労相談は,有効な職場復帰のカギとなる

中村圭一郎, 谷佳紀, 大石恵一, 三苫智裕, 依田尚之, 樫野千明, 牧尉太, 光井崇, 鎌田泰彦, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 125 - 125 2024.10

帝王切開後の子宮創部菲薄化予防に対するBarbed suturesの効果多施設共同ランダム化比較試験

牧尉太, 三苫智裕, 大石恵一, 中村圭一郎, 鎌田泰彦, 山本暖, 山本梨沙, 玉田隆, 河西邦浩, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 131 - 131 2024.10

妊娠関連腰痛・骨盤痛を有する妊婦へ運動指導を行うと疼痛改善効果がみられる

大石恵一, 牧尉太, 三苫智裕, 坂田周治郎, 中村圭一郎, 増山寿

日本女性医学学会雑誌 32 ( 1 ) 152 - 152 2024.10

糖代謝異常妊婦の体組成量の変化とHeavy for date infantsの関連

加藤正和, 衛藤英理子, 桐野智江, 光井崇, 牧尉太, 増山寿

糖尿病と妊娠 24 ( 3 ) S - 125 2024.10

左肺無形成を伴う下部食道拡張および盲端化を認め胎児診断に苦慮した1例

手島早希, 三島桜子, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 加藤正和, 大平安希子, 桐野智江, 牧尉太, 衛藤英理子, 増山寿

現代産婦人科 73 ( Suppl. ) S45 - S45 2024.9

妊娠中にはじめて精神障害を発症した妊婦に対しての適切な精神科医療機関との連携について

加藤正和, 桐野智江, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 三島桜子, 大平安希子, 牧尉太, 衛藤英理子, 増山寿

現代産婦人科 73 ( Suppl. ) S63 - S63 2024.9

自然妊娠後に発症した正所異所同時妊娠の1例

高谷優, 大平安希子, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 加藤正和, 三島桜子, 桐野智江, 牧尉太, 衛藤英理子, 増山寿

現代産婦人科 73 ( Suppl. ) S52 - S53 2024.9

糖代謝異常合併妊婦の個別化栄養療法に向けた個人代謝量の推移調査

衛藤英理子, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 加藤正和, 三島桜子, 桐野智江, 大平安希子, 牧尉太, 増山寿

現代産婦人科 73 ( Suppl. ) S47 - S47 2024.9

妊娠中にはじめて精神障害を発症した妊婦に対しての適切な精神科医療機関との連携について

加藤正和, 桐野智江, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 三島桜子, 大平安希子, 牧尉太, 衛藤英理子, 増山寿

現代産婦人科 73 ( Suppl. ) S63 - S63 2024.9

左肺無形成を伴う下部食道拡張および盲端化を認め胎児診断に苦慮した1例

現代産婦人科 73 ( Suppl. ) S45 - S45 2024.9

自然妊娠後に発症した正所異所同時妊娠の1例

現代産婦人科 73 ( Suppl. ) S52 - S53 2024.9

糖代謝異常合併妊婦の個別化栄養療法に向けた個人代謝量の推移調査

衛藤英理子, 栗山千晶, 坂田周治郎, 大石恵一, 末森彩乃, 中藤光里, 大羽輝, 三苫智裕, 加藤正和, 三島桜子, 桐野智江, 大平安希子, 牧尉太, 増山寿

現代産婦人科 73 ( Suppl. ) S47 - S47 2024.9

腸管子宮内膜症による腸閉塞の診断で腹腔鏡下手術を施行したところmyeloid sarcomaと術後診断された一例

西田康平, 鎌田泰彦, ヴ・トゥイハ, 樫野千明, 光井崇, 中塚幹也, 増山寿

現代産婦人科 73 ( Suppl. ) S71 - S72 2024.9

Evaluating the impact of a trial of labor after cesarean section on labor duration: a retrospective cohort study. Reviewed International journal

Hikaru Ooba, Jota Maki, Hisashi Masuyama

BMC pregnancy and childbirth 24 ( 1 ) 542 - 542 2024.8

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Cesarean section (C-section) rates are increasing globally, and repeated C-sections are associated with increased maternal morbidity. Trial of labor after C-section (TOLAC) is an approach to reduce the recurrence of C-sections. However, limited research exists on the impact of cesarean scars on labor duration in TOLAC, considering the termination of labor through C-section and selection bias. This study aimed to investigate the impact of cesarean scars on labor duration in TOLAC participants, accounting for potential confounding factors and biases. METHODS: This retrospective cohort study included 2,964 women who attempted vaginal birth at a single center in Japan from 2012 to 2021. The study categorized participants into TOLAC (n = 187) and non-TOLAC (n = 2,777) groups. Propensity scores were calculated based on 14 factors that could influence labor duration, and inverse probability of treatment weighting (IPTW) was applied. Cox proportional hazards regression analysis estimated hazard ratios (HRs) for labor duration, with and without IPTW adjustment. Sensitivity analyses used propensity score matching, bootstrapping, and interval censoring to address potential biases, including recall bias in the reported onset of labor. RESULTS: The unadjusted HR for labor duration in the TOLAC group compared to the non-TOLAC group was 0.83 (95% CI: 0.70-0.98, P = 0.027), indicating a longer labor duration in the TOLAC group. After adjusting for confounding factors using IPTW, the HR was 0.98 (95% CI: 0.74-1.30, P = 0.91), suggesting no significant difference in labor duration between the groups. Sensitivity analyses using propensity score matching, bootstrapping, and interval censoring yielded consistent results. These findings suggested that the apparent association between TOLAC and longer labor duration was because of confounding factors rather than TOLAC itself. CONCLUSIONS: After adjusting for confounding factors and addressing potential biases, cesarean scars had a limited impact on labor duration in TOLAC participants. Maternal and fetal characteristics may have a more substantial influence on labor duration.

DOI： 10.1186/s12884-024-06744-0

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The adenosine deaminase family acting on RNA 1 can be a useful diagnostic biomarker in chorioamnionitis. International journal

Keiichiro Nakamura, Kunitoshi Shigeyasu, Jota Maki, Eriko Eto, Hisashi Masuyama

Placenta 153 53 - 58 2024.8

Language：English Publishing type：Research paper (scientific journal)

INTRODUCTION: Chorioamnionitis (CAM) involves infection and inflammation of the chorion and amniotic membrane, but there are still no effective diagnostic biomarkers for CAM. METHODS: We investigated the correlation between RNA editing enzyme Adenosine deaminase family acting on RNA 1 (ADAR1) and CAM in chorion and amniotic membrane specimens derived from premature rupture of the membrane (PROM), CAM (pathologically diagnosed), and clinical CAM (clinically diagnosed) patients using reverse transcription polymerase chain reaction (RT-PCR). RESULTS: ADAR1 was upregulated in the chorion and amniotic membrane specimens of CAM and clinical CAM patients (p < 0.001 and p = 0.005). ADAR1 had a significantly higher area under the curve (AUC) (0.735 and 0.828) than markers of inflammation characteristics in diagnosing CAM and clinical CAM patients. ADAR1 also had significantly higher AUC (0.701 and 0.837) than clinical characteristics for CAM and clinical CAM patients. DISCUSSION: ADAR1 can be a useful diagnostic biomarker in CAM patients.

DOI： 10.1016/j.placenta.2024.05.133

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Multicenter Remote-Access Simulation of Vaginal Delivery for High-Flexibility Medical Education during the Coronavirus Pandemic.

Eriko Eto, Jota Maki, Noriyuki Yamashita, Toru Hasegawa, Ayano Suemori, Hikari Nakato, Hikaru Oba, Tomohiro Mitoma, Sakurako Mishima, Satoe Kirino, Akiko Ohira, Hisashi Masuyama

Acta medica Okayama 78 ( 4 ) 313 - 322 2024.8

Language：English Publishing type：Research paper (scientific journal)

During the coronavirus pandemic, face-to-face simulation education became impossible. Therefore, we aimed to develop remote-access simulation education with a sense of realism through Information and Communication Technology (ICT) using a perinatal whole-body management and delivery simulator. In September 2021, we administered a multi-center simultaneous remote simulation based on our developed model. Ten universities in the Chugoku-Shikoku region were connected via a web-conferencing system to a live broadcast of a virtual vaginal birth in which a fictional hospitalized pregnant woman experienced accelerated labor and gave birth through vacuum delivery for fetal distress. A Video on Demand (VOD) was made beforehand using a new simulator that allowed for a visual understanding of the process of the inter-vaginal examination. We provided a participatory program that enhanced the sense of realism by combining VOD and real-time lectures on each scenario, with two-way communication between participants and trainee doctors using a chat function. Most participants answered "satisfied" or "very satisfied" with the content, level of difficulty, and level of understanding. From November 2021, we have used the videos of all processes in face-to-face classes. Our construction of a high-flexibility education system using remote simulation in the field of obstetrics and gynecology, especially in the vaginal delivery module, is unique, creative, and sustainable.

DOI： 10.18926/AMO/67547

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糖代謝異常妊婦の体重増加量と栄養のマネージメント産科医からみた糖代謝異常妊婦の栄養管理

衛藤英理子, 増山寿

糖尿病と妊娠 24 ( 2 ) S - 37 2024.8

Language：Japanese Publisher：(一社)日本糖尿病・妊娠学会

糖代謝異常妊婦の体重増加量は過剰・過少ともに周産期合併症につながるという認識の下、産科医も妊娠前BMIや血糖コントロールに着目した周産期管理を行うことが重要である。われわれの糖代謝異常妊婦の体重・体組成量や安静時代謝量の推移調査からは、糖代謝異常妊婦の中でも非肥満と血糖コントロール良好な症例においては糖代謝正常妊婦と同様のエネルギー指導が妥当であり、肥満や血糖コントロール不良な症例は個別対応が必要と考えられた。また、体脂肪量・除脂肪量の増減にも着目した管理が有用である可能性が示唆された。糖代謝謝異常妊婦の体重増加量と栄養マネージメントについて更なる議論が望まれる。(著者抄録)

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Papers - MASUYAMA Hisashi