Frances Conti-Ramsden1, Paul Bass2, Lucy C Chappell1, Kate Bramham3. 1. Department of Women and Children's Health, School of Life Course Sciences, King's College London, London, UK. 2. Department of Cellular Pathology, Royal Free Hospital, London, UK. 3. Department of Renal Medicine, Division of Transplantation Immunology and Mucosal Biology, King's College London, London, UK.
Abstract
BACKGROUND: Chronic kidney disease is estimated to affect up to 6% of women of reproductive age. Maternity care represents an opportunity for early diagnosis but there is limited understanding of chronic kidney disease aetiology occurring in or revealed by pregnancy. METHODS: A retrospective evaluation of renal biopsies during and after pregnancy between 2000 and 2015 was undertaken. A large academic health centre pathology database was searched for free text pregnancy-related terms, restricted to typology code 71000 (kidney). Indications and findings of postpartum renal biopsies were reviewed. RESULTS: Sixty-three renal biopsy reports were identified. Of 45 biopsies performed postpartum, 34 (75.6%) investigated persistent postpartum proteinuria. 20/34 (70.6%) of these biopsies yielded a primary renal disease, and 6/34 (17.6%) women had progressed to end stage renal disease at latest follow-up. CONCLUSION: Renal biopsy findings of women investigated for persistent postpartum proteinuria revealed a high incidence of histological diagnosis of de novo renal disease.
BACKGROUND: Chronic kidney disease is estimated to affect up to 6% of women of reproductive age. Maternity care represents an opportunity for early diagnosis but there is limited understanding of chronic kidney disease aetiology occurring in or revealed by pregnancy. METHODS: A retrospective evaluation of renal biopsies during and after pregnancy between 2000 and 2015 was undertaken. A large academic health centre pathology database was searched for free text pregnancy-related terms, restricted to typology code 71000 (kidney). Indications and findings of postpartum renal biopsies were reviewed. RESULTS: Sixty-three renal biopsy reports were identified. Of 45 biopsies performed postpartum, 34 (75.6%) investigated persistent postpartum proteinuria. 20/34 (70.6%) of these biopsies yielded a primary renal disease, and 6/34 (17.6%) women had progressed to end stage renal disease at latest follow-up. CONCLUSION: Renal biopsy findings of women investigated for persistent postpartum proteinuria revealed a high incidence of histological diagnosis of de novo renal disease.
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