A Multicenter Application and Evaluation of the Oxford Classification of IgA Nephropathy in Adult Chinese Patients

被引:247
作者
Zeng, Cai-Hong [1 ]
Le, Weibo [1 ]
Ni, Zhaohui [2 ]
Zhang, Minfang [2 ]
Miao, Lining [3 ]
Luo, Ping [3 ]
Wang, Rong [4 ]
Lv, Zhimei [4 ]
Chen, Jianghua [5 ]
Tian, Jiong [5 ]
Chen, Nan [6 ]
Pan, Xiaoxia [6 ]
Fu, Ping [7 ]
Hu, Zhangxue [7 ]
Wang, Lining [8 ]
Fan, Qiuling [8 ]
Zheng, Hongguang [9 ]
Zhang, Dewei [9 ]
Wang, Yaping [10 ]
Huo, Yanhong [10 ]
Lin, Hongli [11 ]
Chen, Shuni [11 ]
Sun, Shiren [12 ]
Wang, Yanxia [12 ]
Liu, Zhangsuo [13 ]
Liu, Dong [13 ]
Ma, Lu
Pan, Tao
Zhang, Aiping [14 ]
Jiang, Xiaoyu [14 ]
Xing, Changying [15 ]
Sun, Bing [15 ]
Zhou, Qiaoling [16 ,17 ]
Tang, Wenbing [16 ,17 ]
Liu, Fuyou [16 ,18 ]
Liu, Yinghong [16 ,18 ]
Liang, Shaoshan [1 ]
Xu, Feng [1 ]
Huang, Qian [1 ]
Shen, Hongbing [19 ,20 ]
Wang, Jianming [19 ,20 ]
Shyr, Yu [21 ]
Phillips, Sharon [21 ]
Trojanov, Stephan [22 ]
Fogo, Agnes [23 ]
Liu, Zhi-Hong [1 ]
机构
[1] Nanjing Univ, Jinling Hosp, Sch Med, Res Inst Nephrol, Nanjing 210002, Jiangsu, Peoples R China
[2] Shanghai Jiao Tong Univ, Div Renal, Renji Hosp, Sch Med, Shanghai 200030, Peoples R China
[3] Jilin Univ, Hosp 2, Dept Nephrol, Changchun 130023, Peoples R China
[4] Shandong Univ, Dept Kidney, Shandong Prov Hosp, Jinan 250100, Peoples R China
[5] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Kidney Dis Ctr, Hangzhou 310003, Zhejiang, Peoples R China
[6] Shanghai Jiao Tong Univ, Sch Med, Ruijin Hosp, Dept Nephrol, Shanghai 200030, Peoples R China
[7] Sichuan Univ, W China Hosp, Div Nephrol, Chengdu 610064, Peoples R China
[8] China Med Univ, Hosp 1, Dept Nephrol, Shenyang, Peoples R China
[9] Gen Hosp Shenyang Mil Command, Dept Nephrol, Shenyang, Peoples R China
[10] Gen Hosp Beijing Mil Army, Ctr Diag & Treatment Kidney Dis Beijing PLA, Beijing, Peoples R China
[11] Dalian Med Univ, Affiliated Hosp 1, Dept Nephrol, Dalian, Peoples R China
[12] Fourth Mil Med Univ, Xijing Hosp, Dept Nephrol, Xian 710032, Peoples R China
[13] Zhengzhou Univ, Affiliated Hosp 1, Dept Nephrol, Zhengzhou, Peoples R China
[14] Gen Hosp Jinan Command, Dept Nephrol, Jinan, Peoples R China
[15] Nanjing Med Univ, Affiliated Hosp 1, Dept Nephrol, Nanjing, Jiangsu, Peoples R China
[16] Cent S Univ, Kidney Inst, Changsha, Hunan, Peoples R China
[17] Xiangya Hosp, Dept Nephrol, Changsha, Hunan, Peoples R China
[18] Second Xiangya Hosp, Dept Nephrol, Changsha, Hunan, Peoples R China
[19] Nanjing Med Univ, Dept Epidemiol & Biostat, Sch Publ Hlth, Nanjing, Jiangsu, Peoples R China
[20] Nanjing Med Univ, Minist Educ Key Lab Modern Toxicol, Sch Publ Hlth, Nanjing, Jiangsu, Peoples R China
[21] Vanderbilt Univ, Med Ctr, Vanderbilt Ctr Quantitat Sci, Nashville, TN USA
[22] Univ Toronto, Toronto Gen Hosp, Div Nephrol, Toronto, ON M5S 1A1, Canada
[23] Vanderbilt Univ, Med Ctr, Dept Pathol Microbiol & Immunol, Nashville, TN USA
基金
中国国家自然科学基金;
关键词
Clinical epidemiology; immunoglobulin A (IgA) nephropathy; Oxford classification of IgA nephropathy; LONG-TERM; PROGNOSTIC INDICATORS; RISK-FACTORS; CORTICOSTEROIDS; VALIDATION; PREDICTORS; DISEASES;
D O I
10.1053/j.ajkd.2012.06.011
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
100201 [内科学]; 100221 [泌尿外科学];
摘要
Background: The Oxford classification of immunoglobulin A (IgA) nephropathy (IgAN) provides a histopathologic grading system that is associated with kidney disease outcomes independent of clinical features. We evaluated the Oxford IgAN classification in a large cohort of patients from China. Study Design: Retrospective study. Setting & Participants: 1,026 adults with IgAN from 18 referral centers in China. Inclusion criteria and statistical analysis were similar to the Oxford study. Predictors: Histologic findings of mesangial hypercellularity score, endocapillary proliferation, segmental sclerosis or adhesion, crescents, necrosis, and tubular atrophy/interstitial fibrosis. Clinical features, blood pressure, estimated glomerular filtration rate (eGFR), proteinuria, and treatment modalities. Outcomes: Time to a 50% reduction in eGFR or end-stage renal disease (the combined event); the rate of eGFR decline (slope of eGFR); proteinuria during follow-up. Results: Compared with the Oxford cohort, the Chinese cohort had a lower proportion of patients with mesangial hypercellularity (43%) and endocapillary proliferation (11%), higher proportion with segmental sclerosis or adhesion (83%) and necrosis (15%), and similar proportion with crescents (48%) and tubular atrophy/interstitial fibrosis (moderate, 24%; severe, 3.3%). During a median follow-up of 53 (25th-75th percentile, 36-67) months, 159 (15.5%) patients reached the combined event. Our study showed that patients with a mesangial hypercellularity score higher than 0.5 were associated with a 2.0-fold (95% CI, 1.5-2.8; P < 0.001) higher risk of the combined event than patients with a score of 0.5 or lower. Patients with tubularatrophy/interstitial fibrosis of 25%-50% and >50% versus <25% were associated with a 3.7-fold (95% CI, 2.6-5.1; P<0.001) and 15.1-fold (95% CI, 9.5-24.2; P<0.001) higher risk of the combined event, respectively. Endocapillary proliferation, glomerular crescents, and necrosis were not significant. Limitations: Retrospective study; the therapeutic interventions were miscellaneous. Conclusions: We confirmed the associations of mesangial hypercellularity and tubular atrophy/interstitial fibrosis with kidney disease outcomes. Am J Kidney Dis. 60(5):812-820. (C) 2012 by the National Kidney Foundation, Inc.
引用
收藏
页码:812 / 820
页数:9
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