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학술저널
저자정보
김도형 (한림대학교) 이영기 (한림대학교) Kim Juhee (Department of Internal Medicine Hallym University College of Medicine Seoul Korea.) Park Hayne Cho (Department of Internal Medicine Hallym University College of Medicine Seoul Korea.Hallym University) 윤규상 (한림대학교) 조아진 (한림대학교) Yoon Jong-Woo (한림대학교) 구자룡 (한림대학교) 노정우 (한림대학교)
저널정보
대한신장학회 Kidney Research and Clinical Practice Kidney Research and Clinical Practice Vol.40 No.4
발행연도
2021.12
수록면
724 - 733 (10page)
DOI
10.23876/j.krcp.20.260

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Introduction: Despite of the routine use of erythropoietin in hemodialysis patients to correct anemia, its administration route’s effects on hemoglobin variability and cardiovascular events remain elusive. Herein, we determined different erythropoietin administration routes’ effects on hemoglobin variability in hemodialysis patients and the associated factors of hemoglobin variability and cardiovas- cular events. Methods: This is a post hoc analysis of a prospective, controlled, randomized, unblinded study with 78 Korean hemodialysis patients receiving intravenous (n = 40) or subcutaneous (n = 38) erythropoietin therapy. We evaluated hemoglobin variability by calculating the frequency of hemoglobin measurements outside the target range during all visits. The high-frequency group was defined by those with hemoglobin variability over the median value (25%) while the low-frequency group was defined by those with hemoglobin variabil- ity of <25%. Results: In this analysis, 37 patients (51.1%) were male, and the mean age was 50.6 ± 12.5 years. The frequency of the value being outside the target hemoglobin range was higher in the subcutaneous group compared to the intravenous group (p = 0.03). The low-frequency group required significantly lower erythropoietin doses compared to the high-frequency group. In the adjusted Cox anal- ysis, the parameter high group was a significant independent risk factor for cardiovascular events (p = 0.03). Conclusion: The risk out of the target hemoglobin range increased with subcutaneous administration compared with intravenous erythropoietin administration in hemodialysis patients. An increased frequency of the value being outside the target hemoglobin range was also associated with an increased risk of cardiovascular events.

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