Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease
© 2017 IPNA Background: Cyanotic nephropathy (CN), seen in 30–50% of patients with congenital cyanotic heart disease (CCHD), affects both tubular and glomerular function, resulting in proteinuria and azotemia. Microalbuminuria is an early marker for glomerular damage and an independent predictor of...
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th-cmuir.6653943832-435882018-01-24T03:50:28Z Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease Nattaphorn Hongsawong Prapimdaw Khamdee Suchaya Silvilairat Wattana Chartapisak © 2017 IPNA Background: Cyanotic nephropathy (CN), seen in 30–50% of patients with congenital cyanotic heart disease (CCHD), affects both tubular and glomerular function, resulting in proteinuria and azotemia. Microalbuminuria is an early marker for glomerular damage and an independent predictor of progressive renal disease. Methods: A cross-sectional study was conducted. A total of 116 patients aged 1 month to 15 years with CCHD at Chiang Mai University Hospital between 2015 and 2016 were assessed and 94 patients were enrolled. To determine the prevalence and associated factors of significant albuminuria in CCHD patients, baseline characteristics, oxygen saturation, surgery, hemoglobin (Hb), hematocrit (Hct), spot urine albumin, urine protein, and creatinine were obtained. Binary logistic-regression modeling was used to identify associated factors. Results: Prevalence of CN in children with CCHD was 58.51% and 92.55% according to albuminuria and proteinuria staging respectively. Prevalence of significant proteinuria, significant albuminuria, and decreased GFR was 88.30%, 41.49% and 31.91% respectively. Participants with significant albuminuria had fewer previous surgeries (p = 0.05), a longer waiting time for surgery (p = 0.02), enalapril usage (p = 0.04), pulmonary hypertension (p = 0.03), higher Hct z-score (p = 0.03) and lower platelet count (p = 0.001) compared with those without significant albuminuria. Using multivariate logistic regression analysis, waiting duration for surgery (p = 0.04), Hct > 40% (p = 0.02), and platelet count < 290,000/mm 3 (p = 0.04) were predictive of microalbuminuria. Conclusions: Cyanotic nephropathy can be detected in the first decade of life with the presentation of microalbuminuria. High Hct level and low platelet count were identified as a predictor of microalbuminuria, whereas early cardiac surgery decreased the risk of developing significant albuminuria. 2018-01-24T03:50:28Z 2018-01-24T03:50:28Z 2017-10-02 Journal 1432198X 0931041X 2-s2.0-85030242558 10.1007/s00467-017-3804-3 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85030242558&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/43588 |
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© 2017 IPNA Background: Cyanotic nephropathy (CN), seen in 30–50% of patients with congenital cyanotic heart disease (CCHD), affects both tubular and glomerular function, resulting in proteinuria and azotemia. Microalbuminuria is an early marker for glomerular damage and an independent predictor of progressive renal disease. Methods: A cross-sectional study was conducted. A total of 116 patients aged 1 month to 15 years with CCHD at Chiang Mai University Hospital between 2015 and 2016 were assessed and 94 patients were enrolled. To determine the prevalence and associated factors of significant albuminuria in CCHD patients, baseline characteristics, oxygen saturation, surgery, hemoglobin (Hb), hematocrit (Hct), spot urine albumin, urine protein, and creatinine were obtained. Binary logistic-regression modeling was used to identify associated factors. Results: Prevalence of CN in children with CCHD was 58.51% and 92.55% according to albuminuria and proteinuria staging respectively. Prevalence of significant proteinuria, significant albuminuria, and decreased GFR was 88.30%, 41.49% and 31.91% respectively. Participants with significant albuminuria had fewer previous surgeries (p = 0.05), a longer waiting time for surgery (p = 0.02), enalapril usage (p = 0.04), pulmonary hypertension (p = 0.03), higher Hct z-score (p = 0.03) and lower platelet count (p = 0.001) compared with those without significant albuminuria. Using multivariate logistic regression analysis, waiting duration for surgery (p = 0.04), Hct > 40% (p = 0.02), and platelet count < 290,000/mm 3 (p = 0.04) were predictive of microalbuminuria. Conclusions: Cyanotic nephropathy can be detected in the first decade of life with the presentation of microalbuminuria. High Hct level and low platelet count were identified as a predictor of microalbuminuria, whereas early cardiac surgery decreased the risk of developing significant albuminuria. |
format |
Journal |
author |
Nattaphorn Hongsawong Prapimdaw Khamdee Suchaya Silvilairat Wattana Chartapisak |
spellingShingle |
Nattaphorn Hongsawong Prapimdaw Khamdee Suchaya Silvilairat Wattana Chartapisak Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
author_facet |
Nattaphorn Hongsawong Prapimdaw Khamdee Suchaya Silvilairat Wattana Chartapisak |
author_sort |
Nattaphorn Hongsawong |
title |
Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
title_short |
Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
title_full |
Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
title_fullStr |
Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
title_full_unstemmed |
Prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
title_sort |
prevalence and associated factors of renal dysfunction and proteinuria in cyanotic congenital heart disease |
publishDate |
2018 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85030242558&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/43588 |
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