Pregnancy hypertension · 2020
Severe proteinuria as a parameter of worse perinatal/neonatal outcomes in women with preeclampsia.
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Morikawa Mamoru, Mayama Michinori, Saito Yoshihiro, Nakagawa-Akabane Kinuko, Umazume Takeshi, Chiba Kentaro, Kawaguchi Satoshi, Cho Kazutoshi, Watari Hidemichi
Аннотация
OBJECTIVES: The present study aimed to determine the relationship between the severity of proteinuria and maternal/neonatal outcomes among women with preeclampsia.
STUDY DESIGN: Proteinuria severity was measured at preeclampsia diagnosis and at delivery in 94 women with preeclampsia (among 2904 women with singleton pregnancies, who delivered after 22 gestational weeks). Preeclampsia was defined as hypertension with proteinuria.
MAIN OUTCOME MEASURES: Protein:creatinine (P/C) ratio to worse the maternal outcome was 4.8 among women with preeclampsia.
RESULTS: The frequencies of HELLP syndrome and maternal pulmonary edema in women with a P/C ratio ≥5.0 (35.5% and 35.5%, respectively) were significantly higher than those in women with a P/C ratio <5.0 (12.7%, P = 0.014 and 6.4%, P < 0.001, respectively). The best P/C ratio cutoff value to determine early-onset preeclampsia and early preterm birth (EPB) was 4.1 (P < 0.001 and P < 0.001, respectively). The best P/C ratio cutoff values to determine the interval between the preeclampsia diagnosis and delivery <7 days and the need to undergo cesarean section were 1.8 and 1.5, respectively. The best P/C ratio cutoff value to determine maternal pulmonary edema and central serous chorioretinopathy (CSC) was 4.8 (P = 0.020 and P = 0.014, respectively). Finally, the best P/C ratio cutoff values to determine EPB and maternal CSC in women with preeclampsia were 4.1 (odds ratio, 10.9; 95% confidence interval; 4.08 to 29.2, P < 0.0001) and 4.8 (odds ratio, 17.6; 95% confidence interval; 0.898 to 344, P = 0.0008), respectively, according to the multivariate analysis.
CONCLUSIONS: A higher P/C ratio at delivery in women with preeclampsia might cause EPB and CSC.
STUDY DESIGN: Proteinuria severity was measured at preeclampsia diagnosis and at delivery in 94 women with preeclampsia (among 2904 women with singleton pregnancies, who delivered after 22 gestational weeks). Preeclampsia was defined as hypertension with proteinuria.
MAIN OUTCOME MEASURES: Protein:creatinine (P/C) ratio to worse the maternal outcome was 4.8 among women with preeclampsia.
RESULTS: The frequencies of HELLP syndrome and maternal pulmonary edema in women with a P/C ratio ≥5.0 (35.5% and 35.5%, respectively) were significantly higher than those in women with a P/C ratio <5.0 (12.7%, P = 0.014 and 6.4%, P < 0.001, respectively). The best P/C ratio cutoff value to determine early-onset preeclampsia and early preterm birth (EPB) was 4.1 (P < 0.001 and P < 0.001, respectively). The best P/C ratio cutoff values to determine the interval between the preeclampsia diagnosis and delivery <7 days and the need to undergo cesarean section were 1.8 and 1.5, respectively. The best P/C ratio cutoff value to determine maternal pulmonary edema and central serous chorioretinopathy (CSC) was 4.8 (P = 0.020 and P = 0.014, respectively). Finally, the best P/C ratio cutoff values to determine EPB and maternal CSC in women with preeclampsia were 4.1 (odds ratio, 10.9; 95% confidence interval; 4.08 to 29.2, P < 0.0001) and 4.8 (odds ratio, 17.6; 95% confidence interval; 0.898 to 344, P = 0.0008), respectively, according to the multivariate analysis.
CONCLUSIONS: A higher P/C ratio at delivery in women with preeclampsia might cause EPB and CSC.