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Yamaguchi T, Kyozuka H, Ito M, Hiraiwa T, Murata T, Sugeno M, Ito F, Suzuki D, Fukuda T, Yasuda S, Keiya F, Nomura Y. Predicting postpartum hemorrhage in women undergoing planned cesarean section: A multicenter retrospective cohort study in Japan. PLoS One 2024; 19:e0306488. [PMID: 38980883 PMCID: PMC11233003 DOI: 10.1371/journal.pone.0306488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 06/18/2024] [Indexed: 07/11/2024] Open
Abstract
Given Japan's unique social background, it is critical to understand the current risk factors for postpartum hemorrhage (PPH) to effectively manage the condition, especially among specific groups. Therefore, this study aimed to identify the current risk factors for PPH during planned cesarean section (CS) in Japan. This multicenter retrospective cohort study was conducted in two tertiary maternal-fetal medicine units in Fukushima, Japan and included 1,069 women who underwent planned CS between January 1, 2013, and December 31, 2022. Risk factors for PPH (of > 1000 g and > 1500 g) were assessed using multivariate logistic regression analysis, considering variables such as maternal age, parity, assisted reproductive technology (ART) pregnancy, pre-pregnancy body mass index (BMI), uterine myoma, placenta previa, gestational age at delivery, birth weight categories, and hypertensive disorders of pregnancy (HDP). Multivariate linear regression analyses were conducted to predict estimated blood loss during planned CS. ART pregnancy, a pre-pregnancy BMI of 25.0-29.9 kg/m2, and uterine myoma increased PPH risk at various levels. Maternal smoking increased the risk of >1500 g PPH (adjusted odds ratio: 3.09, 95% confidence interval [CI]: 1.16-8.20). Multivariate linear analysis showed that advanced maternal age (B: 83 g; 95% CI: 27-139 g), ART pregnancy (B: 239 g; 95% CI: 121-357 g), pre-pregnancy BMI of 25.0-29.9 kg/m2 (B: 74 g; 95% CI: 22-167 g), uterine myoma (B: 151 g; 95% CI: 47-256 g), smoking (B: 107 g; 95% CI: 13-200 g), and birth weight > 3,500 g (B: 203 g; 95% CI: 67-338 g) were associated with blood loss during planned CS. Considering a patient's clinical characteristic may help predict bleeding in planned CSs and help improve patient safety.
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Affiliation(s)
- Tomoko Yamaguchi
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
| | - Hyo Kyozuka
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
| | - Momoka Ito
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
| | - Tsuyoshi Hiraiwa
- Department of Obstetrics and Gynecology, Iwase General Hospital, Sukagawa city, Fukushima, Japan
| | - Tsuyoshi Murata
- Department of Obstetrics and Gynecology, Shirakawa Kosei General Hospital, Shirakawa, Fukushima, Japan
| | - Misa Sugeno
- Department of Obstetrics and Gynecology, Iwase General Hospital, Sukagawa city, Fukushima, Japan
| | - Fumihiro Ito
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
| | - Daisuke Suzuki
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
| | - Toma Fukuda
- Department of Obstetrics and Gynecology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Shun Yasuda
- Department of Obstetrics and Gynecology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Fujimori Keiya
- Department of Obstetrics and Gynecology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Yasuhisa Nomura
- Department of Obstetrics and Gynecology, Ohta Nishinouchi Hospital, Koriyama city, Fukushima, Japan
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Bączkowska M, Kosińska-Kaczyńska K, Zgliczyńska M, Brawura-Biskupski-Samaha R, Rebizant B, Ciebiera M. Epidemiology, Risk Factors, and Perinatal Outcomes of Placental Abruption-Detailed Annual Data and Clinical Perspectives from Polish Tertiary Center. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:5148. [PMID: 35564543 PMCID: PMC9101673 DOI: 10.3390/ijerph19095148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/16/2022] [Accepted: 04/21/2022] [Indexed: 12/10/2022]
Abstract
Placental abruption (PA) is a separation of the placenta from the uterine wall occurring with the fetus still present in the uterine cavity. It contributes to numerous neonatal and maternal complications, increasing morbidity and mortality. We conducted a retrospective study at a tertiary perinatal care center, which included 2210 cases of labor that took place in 2015 with a PA occurrence of 0.7%. No maternal or fetal death during delivery was reported in this period. The identified PA risk factors were uterine malformations, pPROM, placenta previa spectrum, and oligohydramnios. The significant maternal PA complications identified were maternal anemia, uterine rupture, and HELLP syndrome. Preterm delivery occurred significantly more often in the PA group, and the number of weeks of pregnancy and the birth weight at delivery were both significantly lower in the PA group. PA is a relatively rare perinatal complication with very serious consequences, and it still lacks effective prophylaxis and treatment. Despite its rare occurrence, each center should develop a certain strategy for dealing with this pathology or predicting which patients are at risk. Much work is still needed to ensure the proper care of the mother and the baby in this life-threatening condition.
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Affiliation(s)
| | | | | | | | | | - Michał Ciebiera
- Center of Postgraduate Medical Education, Second Department of Obstetrics and Gynecology, 01-813 Warsaw, Poland; (M.B.); (K.K.-K.); (M.Z.); (R.B.-B.-S.); (B.R.)
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Kotani T, Imai K, Ushida T, Moriyama Y, Nakano-Kobayashi T, Osuka S, Tsuda H, Sumigama S, Yamamoto E, Kinoshita F, Hirakawa A, Iwase A, Kikkawa F, Kajiyama H. Pregnancy Outcomes in Women with Thyroid Diseases. JMA J 2022; 5:216-223. [PMID: 35611225 PMCID: PMC9090549 DOI: 10.31662/jmaj.2021-0191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/10/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction Overt hyperthyroidism and hypothyroidism are associated with pregnancy complications; however, most women with these conditions are diagnosed before conception and are under treatment during pregnancy, especially in high-income countries. The purpose of this study was to investigate pregnancy complications among these women. Methods A retrospective cohort study was conducted, and data on pregnant women who gave birth to a singleton at Nagoya University Hospital in Japan in 2005-2014 was collected. The pregnancy outcomes were divided and compared among three groups: the control group (n = 3531), the hyperthyroidism group (n = 48), and the hypothyroidism group (n = 61). Additionally, risk factors for placental abruption were evaluated by multivariable logistic regression analysis. Moreover, in hyperthyroidism, thyroid function at the placentation period was compared between placental-related diseases and nonplacental-related disease groups, and the latter group included placental abruption and preeclampsia. Results The incidence of placental abruption was higher in hyperthyroidism than in control and hypothyroidism groups. Hyperthyroidism was independently associated with an increased risk of placental abruption (adjusted odds ratio, aOR = 8.21, 95% confidence interval, CI: 1.76-38.34), as well as preeclampsia (aOR = 4.10, 95% CI: 1.13-14.76) and preterm labor (aOR = 3.38, 95% CI: 1.19-9.64). Additionally, thyroid-stimulating hormone (TSH) at the placentation period was significantly lower in the placental-related disease group than in the nonplacental-related disease group (p < 0.05). Conclusions Pregnancy outcomes in women with hyperthyroidism and hypothyroidism would be comparable with those without thyroid disease. Hyperthyroidism was an independent risk factor for placental abruption as well as preterm labor and preeclampsia. However, its frequency was extremely low, and further research is required to validate our findings.
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Affiliation(s)
- Tomomi Kotani
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Centre for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Kenji Imai
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takafumi Ushida
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshinori Moriyama
- Department of Obstetrics and Gynecology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Tomoko Nakano-Kobayashi
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Satoko Osuka
- Centre for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Hiroyuki Tsuda
- Department of Obstetrics and Gynecology, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Seiji Sumigama
- Office of International Affairs/International Medical Education, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Eiko Yamamoto
- Department of Healthcare Administration Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Fumie Kinoshita
- Data Science Division, Data Coordinating Center, Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Akihiro Hirakawa
- Department of Biostatistics and Bioinformatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Akira Iwase
- Department of Obstetrics and Gynecology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Fumitaka Kikkawa
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Kovo M, Schreiber L. Placental histopathology and pregnancy outcome in placental abruption. THROMBOSIS UPDATE 2021. [DOI: 10.1016/j.tru.2021.100087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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