The association of endometriosis with placenta previa and postpartum hemorrhage: a systematic review and meta-analysis

Matsuzaki, Shinya; Nagase, Yoshinori; Ueda, Yutaka; Lee, Misooja; Maeda, Michihide; Takiuchi, Tsuyoshi; Kakigano, Aiko; Mimura, Kazuya; Endo, Masayuki; Tomimatsu, Takuji; Kimura, Tadashi

doi:10.1016/j.ajogmf.2021.100417

Cited by 28 publications

(25 citation statements)

References 49 publications

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“…meta-analysis (n = 12) [24]. We found that women with endometriosis were more likely to have a higher rate of PP (Figure 3) (adjusted OR 3.17, 95% CI 2.58-3.89; heterogeneity: p < 0.01, I² = 86%), compared to those without endometriosis [7,12,25,26,28,31,[33][34][35][37][38][39].…”

Section: Results Of the Systematic Reviewmentioning

confidence: 84%

“…In the unadjusted pooled analysis (n = 20), endometriosis was associated with an increased rate of PP compared to those without endometriosis (Figure 3) (OR 3.61, 95%CI 3.05-4.26; heterogeneity: p < 0.01, I 2 = 73%). Although the search terms were updated to meet the modified definition of endometriosis and the search period was extended, the studies included in the adjusted pooled analysis using the random-effects models were the same as those included in our previous meta-analysis (n = 12) [24]. We found that women with endometriosis were more likely to have a higher rate of PP (Figure 3) (adjusted OR 3.17, 95% CI 2.58-3.89; heterogeneity: p < 0.01, I 2 = 86%), compared to those without endometriosis [7,12,25,26,28,31,[33][34][35][37][38][39].…”

Section: Results Of the Systematic Reviewmentioning

confidence: 99%

“…Although the search terms were updated to meet the modified definition of endometriosis and the search period was extended, the studies included in the adjusted pooled analysis using the random-effects models were the same as those included in our previous meta-analysis ( n = 12) [ 24 ]. We found that women with endometriosis were more likely to have a higher rate of PP ( Figure 3 ) (adjusted OR 3.17, 95% CI 2.58–3.89; heterogeneity: p < 0.01, I 2 = 86%), compared to those without endometriosis [ 7 , 12 , 25 , 26 , 28 , 31 , 33 , 34 , 35 , 37 , 38 , 39 ].…”

Section: Resultsmentioning

confidence: 99%

“…We previously performed a systematic review that assessed the effect of endometriosis on the incidence of postpartum hemorrhage and PP [ 24 ]. In this systematic review, 19 studies were included and the definition used in each study was reviewed [ 7 , 8 , 11 , 12 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 ].…”

Section: Definition Of Endometriosis In Previous Studiesmentioning

confidence: 99%

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Placenta Previa Complicated with Endometriosis: Contemporary Clinical Management, Molecular Mechanisms, and Future Research Opportunities

et al. 2021

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Endometriosis is a common gynecological disease characterized by chronic inflammation, with an estimated prevalence of approximately 5–15% in reproductive-aged women. This study aimed to assess the relationship between placenta previa (PP) and endometriosis. We performed a systematic review of the literature until 30 June 2021, and 24 studies met the inclusion criteria. Using an adjusted pooled analysis, we found that women with endometriosis had a significantly increased rate of PP (adjusted odds ratio (OR) 3.17, 95% confidence interval (CI) 2.58–3.89) compared to those without endometriosis. In an unadjusted analysis, severe endometriosis was associated with an increased prevalence of PP (OR 11.86, 95% CI 4.32–32.57), whereas non-severe endometriosis was not (OR 2.16, 95% CI 0.95–4.89). Notably, one study showed that PP with endometriosis was associated with increased intraoperative bleeding (1.515 mL versus 870 mL, p < 0.01) compared to those without endometriosis. Unfortunately, no studies assessed the molecular mechanisms underlying PP in patients with endometriosis. Our findings suggest that there is a strong association between endometriosis and a higher incidence of PP, as well as poor surgical outcomes during cesarean delivery. Therefore, the development of novel therapeutic agents or methods is warranted to prevent PP in women with endometriosis.

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Section: Results Of the Systematic Reviewmentioning

confidence: 84%

Section: Results Of the Systematic Reviewmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Definition Of Endometriosis In Previous Studiesmentioning

confidence: 99%

See 2 more Smart Citations

Placenta Previa Complicated with Endometriosis: Contemporary Clinical Management, Molecular Mechanisms, and Future Research Opportunities

et al. 2021

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“…We conducted a systematic search of articles published through 30 June 2020 using the PubMed, Scopus, and Cochrane Central Register of Controlled Trials databases, as performed in our previous study [ 9 , 10 , 11 , 12 ]. We reviewed articles according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines [ 13 , 14 ].…”

Section: Methodsmentioning

confidence: 99%

Minimally Invasive Surgery and Surgical Volume-Specific Survival and Perioperative Outcome: Unmet Need for Evidence in Gynecologic Malignancy

Matsuzaki

Klar

Chang

et al. 2021

JCM

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This study examined the effect of hospital surgical volume on oncologic outcomes in minimally invasive surgery (MIS) for gynecologic malignancies. The objectives were to assess survival outcomes related to hospital surgical volume and to evaluate perioperative outcomes and examine non-gynecologic malignancies. Literature available from the PubMed, Scopus, and the Cochrane Library databases were systematically reviewed. All surgical procedures including gynecologic surgery with hospital surgical volume information were eligible for analysis. Twenty-three studies met the inclusion criteria, and nine gastro-intestinal studies, seven genitourinary studies, four gynecological studies, two hepatobiliary studies, and one thoracic study were reviewed. Of those, 11 showed a positive volume–outcome association for perioperative outcomes. A study on MIS for ovarian cancer reported lower surgical morbidity in high-volume centers. Two studies were on endometrial cancer, of which one showed lower treatment costs in high-volume centers and the other showed no association with perioperative morbidity. Another study examined robotic-assisted radical hysterectomy for cervical cancer and found no volume–outcome association for surgical morbidity. There were no gynecologic studies examining the association between hospital surgical volume and oncologic outcomes in MIS. The volume–outcome association for oncologic outcome in gynecologic MIS is understudied. This lack of evidence calls for further studies to address this knowledge gap.

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Endometriosis Increases the Risk of Placenta Previa in Both IVF Pregnancies and the General Obstetric Population

et al. 2022

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The association of endometriosis with placenta previa and postpartum hemorrhage: a systematic review and meta-analysis

Cited by 28 publications

References 49 publications

Placenta Previa Complicated with Endometriosis: Contemporary Clinical Management, Molecular Mechanisms, and Future Research Opportunities

Placenta Previa Complicated with Endometriosis: Contemporary Clinical Management, Molecular Mechanisms, and Future Research Opportunities

Minimally Invasive Surgery and Surgical Volume-Specific Survival and Perioperative Outcome: Unmet Need for Evidence in Gynecologic Malignancy

Endometriosis Increases the Risk of Placenta Previa in Both IVF Pregnancies and the General Obstetric Population

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