期刊
NEPHROLOGY DIALYSIS TRANSPLANTATION
卷 28, 期 2, 页码 337-344出版社
OXFORD UNIV PRESS
DOI: 10.1093/ndt/gfs525
关键词
alpha-tocopherol; contrast-induced acute kidney injury (CI-AKI); coronary procedures; gamma-tocopherol; vitamin E
资金
- Thammasat University Research Fund
Background. Contrast-induced acute kidney injury (CI-AKI) increases the likelihood of patient morbidity and mortality following coronary procedures. Volume supplement with saline is the standard treatment to prevent CI-AKI. Additional antioxidant prophylaxis has often yielded conflicting results. The present study was conducted to examine the role of novel application vitamin E (tocopherol) in preventing CI-AKI. Methods. This prospective, double-blind, randomized and placebo-controlled trial was carried out in 305 patients with chronic kidney disease (CKD) undergoing coronary procedures. All patients were randomly assigned to prophylaxis administration with 0.9% saline infusions plus daily oral medication comprised of either (i) placebo (n = 101), (ii) alpha-tocopherol (n = 102) or (iii) gamma-tocopherol (n = 102) starting 5 days before and ending 2 days after coronary procedures. The CI-AKI risk score of each patient was calculated. All coronary procedures were performed using a low-osmolar, non-ionic contrast agent. Results. CI-AKI developed in 14.9% in the placebo group, 4.9% in the alpha-tocopherol group (P = 0.02 versus the placebo group) and 5.9% in the gamma-tocopherol group (P = 0.04 versus the placebo group). In patients with diabetes, hypertension, anaemia, aged over 55 years, male gender or with contrast agent dosages > 120 mL, alpha-tocopherol showed a larger effect than gamma-tocopherol when compared with the placebo group (P < 0.05). Conclusions. Prophylaxis administration with oral alpha-or gamma-tocopherol in combination with 0.9% saline is effective in protecting against CI-AKI in CKD patients undergoing elective coronary procedures.
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