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KMID : 0882420050680020186
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Korean Journal of Medicine
2005 Volume.68 No. 2 p.186 ~ p.194
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Pregnancy outcome in women with chronic kidney disease
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Son Jung-Min
Kim Jung-Hee
Jeong Woo-Jin
Choi Young-Jin
Kwon Eun-Hoe
Jeong You-Seok
Lee Dong-Won
Lee Soo-Bong
Kwak Ihm-Soo
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Abstract
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Background: Chronic kidney disease has deleterious influences on pregnancy, both fetus and mother. To determine the pregnancy outcome and associated risk factors, we analyzed 36 pregnancies in 26 women with various chronic kidney diseases.
Methods: Retrospective analysis of 36 pregnancies was performed in women with chronic kidney disease who underwent antenatal care and delivery at Pusan National University Hospital from January 1993 to December 2002.
Results: The mean age of patients was 29.7±3.6 years. Underlying kidney disease was lupus nephritis in 10 patients (11 pregnancies), IgA nephropathy in 7 patients (8 pregnancies), focal segmental glomerulosclerosis in 4 patients (9 pregnancies), membranoproliferative glomerulonephritis in 4 patients (7 pregnancies), membranous glomerulonephritis in 1 patient(1 pregnancy). Of the 36 pregnancies, fetal loss occurred in 14 pregnancies (38.9%), premature delivery 7 pregnancies (19.4%) and normal delivery 15 pregnancies (41.7%). Deterioration of maternal renal function occurred in 10 pregnancies (27.8%), hypertension 18 pregnancies (50.0%) and aggravation of proteinuria 26 pregnancies (72.2%). Fetal loss and deterioration of maternal renal function were more frequent in patients with preconception serum creatinine value (SCr) ≥1.4mg/dL than in those with SCr＜1.4mg/dL (85.7% vs. 27.6%, p＜0.05; 100% vs. 10.3%, p＜0.05, respectively). Neither fetal loss nor deterioration of maternal renal function was associated with hypertension and aggravation of proteinuria. In multivariate analysis, preconception SCr was associated with fetal loss (p=0.014, OR 32.7, 95% CI 2.0-526.0)and BP ≥140/90 mmHg during pregnancy was associated with low birth weight (p=0.027, OR 0.034, 95% CI 0.002-0.682). Deterioration of maternal renal function during pregnancy was recovered in 40.0%, hypertension was recovered in 50.0% and proteinuria was recovered in 77.8% within 1 year after delivery.
Conclusion: Preconceptional impairment of maternal renal function and uncontrolled hypertension during pregnancy seem to be an important factors associated with fetal loss and low birth weight, respectively.
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KEYWORD
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Pregnancy outcome, Kidney disease, Hypertension, Low birth weight
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