Objective. To evaluate characteristics of relapse, relapse rates, treatment and outcomes among patients with biopsy-proven GCA in a large, single-institution cohort. Methods. We conducted a retrospective review of all patients with biopsy-proven GCA from 1998 to 2013. Demographic, clinical, laboratory and treatment data at presentation and during follow-up were collected. Comparisons by relapse rate were performed using chi-square tests. Prednisone discontinuation by initial oral dose <= 40 and>40 mg/day was compared using Cox models. Results. The cohort included 286 patients [74% female, mean age at diagnosis 75.0 years (S.D. 7.6), median follow-up 5.1 years). During follow-up, 73 patients did not relapse, 80 patients had one relapse and 133 had two or more relapses. The first relapse occurred during the first year in 50% of patients, by 2 years in 68% and by 5 years in 79%. More patients with established hypertension (P = 0.007) and diabetes (P = 0.039) at GCA diagnosis were in the high relapse rate group (>= 0.5 relapses/year) and more females were in the low or high relapse groups than in the no relapse group (P = 0.034). Patients receiving an initial oral prednisone dose> 40 mg/day were able to reach a dose of< 5 mg/day [hazard ratio (HR) 1.46 (95% CI 1.09, 1.96)] and discontinue prednisone [HR 1.56 (95% CI 1.09, 2.23)] sooner than patients receiving <= 40 mg/day without an increase in observed glucocorticoid-associated adverse events. Conclusion. Females and patients with hypertension or diabetes at GCA diagnosis have more relapses during follow-up. Patients treated with an initial oral prednisone dose >40 mg/day achieved earlier prednisone discontinuation.
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Shin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan
Fu Jen Catholic Univ, Sch Med, Taipei, Taiwan
Natl Taiwan Univ, Sch Med, Taipei 10764, TaiwanShin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan
Cheng, Cheng-Kuo
Lee, Chin-Cheng
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Shin Kong Wu Ho Su Mem Hosp, Dept Pathol & Lab Med, Taipei 11120, TaiwanShin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan
Lee, Chin-Cheng
Huang, Kai-Han
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Shin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, TaiwanShin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan
Huang, Kai-Han
Wu, Tzu-En
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Shin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, TaiwanShin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan
Wu, Tzu-En
Peng, Pai-Huei
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Shin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, TaiwanShin Kong Wu Ho Su Mem Hosp, Dept Ophthalmol, Taipei 11120, Taiwan