The analysis of patients with primary and secondary glomerular diseases: A single-center experience

Glomerulonephritis is among the most important group of diseases causing end-stage renal disease (ESRD). The prevalence of glomerulonephritis varies depending on age, sex, geographical features, etc. In the present study, we evaluated the clinical and laboratory parameters of patients who underwent...

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Published in:	Hong Kong journal of nephrology Vol. 19; pp. 28 - 35
Main Authors:	Ayar, Yavuz, Ersoy, Alparslan, Isiktas, Emel, Ocakoglu, Gokhan, Yildiz, Abdulmecit, Oruc, Aysegül, Demirayak, Dilay, Bayrakci, Ismail, Duger, Hakan, Bozbudak, Tugba
Format:	Journal Article
Language:	English
Published:	Elsevier (Singapore) Pte Ltd 01-10-2016
Subjects:	etiology glomerulonephritis mortality outcomes renal biopsy mortality glomerulonephritis outcomes renal biopsy etiology
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Summary:	Glomerulonephritis is among the most important group of diseases causing end-stage renal disease (ESRD). The prevalence of glomerulonephritis varies depending on age, sex, geographical features, etc. In the present study, we evaluated the clinical and laboratory parameters of patients who underwent renal biopsy. In this retrospective study, demographic and clinical characteristics, specific diagnoses of glomerular diseases, and biopsy findings of all patients in whom native renal biopsy was performed in our hospital between January 2009 and December 2014 were analyzed. A total of 384 patients were divided into two groups as primary glomerular diseases (PGD) and secondary glomerular diseases (SGD). Some 37.1% of patients with PGD and 49.2% of patients with SGD were female. The mean age was 43.8 ± 14.1 years in the PGD group and 47.3 ± 16.1 years in the SGD group (p = 0.044). Nephrotic syndrome in the PGD group and unexplained renal dysfunction in the SGD group were observed more frequently at the time of admission. In the SGD group, biopsy findings (crescents, sclerosis, vascular involvement, etc.) were dominant and more pronounced (p < 0.001). In the PGD group, responsiveness to the therapy was higher than in the SGD group (p < 0.001). Mortality rates were 2.27% in the PGD group and 18.3% in the SGD group. According to the multivariate analysis, the increase of creatinine level after treatment (odds ratio 1.49) and presence of SGD (odds ratio 7.74) were independent risk factors for patient death (p < 0.001). The present study showed important data about the etiology, clinical findings, follow ups, and prognosis of PGD and SGD among adults in our center. We observed that mortality was higher in patients with SGD. 腎小球腎炎是導致末期腎病 (ESRD) 的最重要疾病,其盛行率與年齡、性別、及地域特性有關。在本研究中,我們在接受腎臟組織活檢的腎小球疾病患者間,對相關的臨床及檢驗特徵進行了調查。在本回溯性研究中,對象為於 2009 年 1 月至 2014 年 12 月期間,在本院接受自身腎臟組織活檢的病人。我們對其人口學與臨床特徵、腎小球疾病診斷、及活檢結果進行了分析。調查對象為 384 位原發性腎小球疾病 (PGD) 或次發性腎小球疾病 (SGD) 患者。在 PGD 及 SGD 組別中,女性比例分別佔 37.1% 及 49.2%,平均年齡分別為 43.8 ± 14.1 歲及 47.3 ± 16.1 歲 (p = 0.044)。入院時,PGD 組以腎病症候群較常見,SGD 組則以原因不明之腎臟功能障礙較常見。在 SGD 組間,活檢結果較多樣化 (新月形、硬化、血管病變等) 且較明顯 (p < 0.001)。治療反應比率以 PGD 組高於 SGD 組 (p < 0.001),死亡率分別為 PGD 組的 2.27% 及 SGD 組的 18.3%。多變項分析顯示,治療後肌酸酐的增加 (OR 1.49)、及 SGD 的存在 (OR 7.74) 是病人死亡的獨立危險因子 (p < 0.001)。對於本中心的 PGD 與 SGD 成年患者,本研究提供了成因、臨床表現、追蹤、及預後等方面的重要數據,並觀察到 SGD 患者的死亡率較高。
ISSN:	1561-5413 1876-4371
DOI:	10.1016/j.hkjn.2016.05.001