期刊
CLINICAL NEPHROLOGY
卷 97, 期 1, 页码 46-52出版社
DUSTRI-VERLAG DR KARL FEISTLE
DOI: 10.5414/CN110564
关键词
clinical presentation; elderly; histopathology renal biopsy
The prevalence of kidney disease and the number of renal biopsies are increasing in the elderly population. Differences in clinical presentation and renal pathology exist between elderly and younger patients. The relatively high prevalence of potentially curative kidney diseases in the elderly emphasizes the importance of renal biopsy in this age group.
Aim: The prevalence of kidney disease and the number of renal biopsies performed in the elderly are increasing with aging of the population. We aimed to analyze the clinicopathological findings of kidney diseases in the elderly (>= 65 years), in comparison with their younger counterparts (aged 16 - 64 years). Materials and methods: The data at the time of renal biopsy were obtained by reviewing medical records and the biopsy reports of the patients retrospectively. The data at the time of renal biopsy were obtained by reviewing medical records and the biopsy reports of the patients who underwent renal biopsy at Bakirkoy Dr. Sadi Konuk Education and Research Hospital. Demographic characteristics, clinical syndrome at presentation, and histopathological diagnosis of all patients were recorded. Results: Among the 750 renal biopsies, 93 were performed in elderly patients, which constitutes 12.4% of the biopsies. The mean age of the patients was 71.7 +/- 5.4 years, and 62.4% were male. The most common indication for renal biopsy was nephrotic syndrome (NS) in elderly and younger age groups (45.2% vs. 40%). The most frequent histopathological diagnosis was membranous glomerulonephritis (MGN). According to the clinical presentation, MGN (42.8%) was the leading cause of NS, and almost 1/3 of the patients with acute or rapidly progressive renal failure were found to have pauci-immune glomerulonephritis (GN). In comparison with renal biopsy results of younger patients, MGN and pauci-immune GN were more prevalent, but IgA nephropathy, lupus nephritis, and acute tubular necrosis were less common in elderly patients. Conclusion: Clinical presentation and the frequency of certain renal pathologies differ with age. The relatively high prevalence of potentially curative kidney diseases in the elderly indicates the importance of renal biopsy in these patients.
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