Kidney and Urinary Tract Involvement in Epidermolysis Bullosa: Is Routine Follow-Up Necessary?
Background: Several renal and urinary tract complications have been reported in patients with epidermolysis bullosa. Objective: This study investigated kidney and urinary tract involvement in patients with epidermolysis bullosa. Patients and Methods: Patients with epidermolysis bullosa in tre...
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| Autores principales: | , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Mattioli1885
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/400a9c85e62e4a9c9c914e2fd4f1211f |
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| Sumario: | Background: Several renal and urinary tract complications have been reported in patients with epidermolysis bullosa.
Objective: This study investigated kidney and urinary tract involvement in patients with epidermolysis bullosa.
Patients and Methods: Patients with epidermolysis bullosa in treatment at the Dermatology Unit were included in the study. Glomerular and tubular functions were investigated.
Results: The study included 16 patients (4 females, 12 males) of mean 11.1 years (SD = 8.1 years). Estimated GFR was normal in all patients except one with end-stage renal disease. Excluding this patient, the urinary albumin/creatinine ratio and the fractional excretion of sodium were normal. The mean beta-2 microglobulin/creatinine ratio was 278.8 µg/g, and it was abnormally high in 2 patients. The mean tubular phosphorus reabsorption was 92.6%; it was abnormally low in 1 patient. Severe kidney or urinary tract involvement was present in 2 patients with recessive dystrophic EB-generalized severe (RDEB-GS): one patient had obstructive bullous lesions in the urethra; the other had end-stage renal disease secondary to focal segmental glomerulosclerosis and was on peritoneal dialysis for 3 years.
Conclusions: Assessment for renal and urinary tract involvement should become a routine part of the evaluation of patients with any type of EB, but especially of patients with RDEB-GS. Patients with mild tubular dysfunction need long-term follow-up to detect early deterioration of renal function.
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