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자료유형
학술저널
저자정보
김효진 (Pusan National School) 한미연 (Hallym University Hangang Sacred Heart Hospital Seoul Republic of Korea) 송상헌 (부산대학교) 성은영 (부산대학교)
저널정보
대한신장학회 Kidney Research and Clinical Practice Kidney Research and Clinical Practice Vol.41 No.2
발행연도
2022.3
수록면
209 - 218 (10page)
DOI
10.23876/j.krcp.21.008

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BackgroundWe aimed to investigate the clinical characteristics and outcomes of patients aged ≥65 years with antineutrophil cytoplasmic autoantibody (ANCA)-positive ANCA-associated vasculitis (AAV) in Korea.MethodsSeventy patients diagnosed with ANCA-positive AAV from 2006 to 2019 at a single center were analyzed and categorized into younger (aged <65 years) or elderly (aged ≥65 years) groups. Initial induction treatments were investigated according to age group. All-cause mortality and kidney outcomes were evaluated.ResultsAfter categorization by age, 34 (48.6%) and 36 patients (51.4%) were in the younger and elderly groups, respectively. In the elderly group, more patients were treated with oral cyclophosphamide (CYC) (30.6%) than with intravenous CYC (19.4%). During a median follow-up of 14.6 months (range, 3.0-53.1 months), 13 patients died (elderly group: 11 patients, 84.6%). In the elderly group, older age (hazard ratio [HR], 1.44; 95% confidence interval [CI], 1.09-1.90; p = 0.01), lower hemoglobin (HR, 0.21; 95% CI, 0.08-0.60; p = 0.003), and higher serum creatinine level (HR 14.17; 95% CI, 1.29-155.84; p = 0.03) were significant risk factors for all-cause mortality after adjustment. Oral CYC + steroid treatment was associated with decreased all-cause mortality compared to untreated induction immunosuppressants (HR, 0.01; 95% CI, 0.0003-0.47; p = 0.02). Kidney failure or renal recovery outcomes were not significantly different between the younger and elderly groups.ConclusionPatients aged ≥65 years had higher mortality rates than younger patients, and mortality was associated with older age, lower hemoglobin, higher serum creatinine level, and nontreatment compared to oral CYC + steroids.

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