Efficacy of short-term cordyceps sinensis for prevention of contrast-induced nephropathy in patients with acute coronary syndrome undergoing elective percutaneous coronary intervention
2014
Contrast-induced nephropathy (CIN) is one of the major causes of hospital-acquired acute renal failure. The pathophysiological mechanism of CIN remains unknown. There has been little evidence regarding the effects of Traditional Chinese Medicine (TCM) on CIN. Cordyceps sinensis (CS), a traditional Chinese herb, has been widely used clinically for the prevention of the progression of renal failure. We performed a prospective, randomized controlled trial to investigate the role of CS in the prevention of CIN in patients with acute coronary syndrome (ACS) undergoing elective percutaneous coronary intervention (PCI). The 150 ACS patients were randomly assigned to three groups, basic treatment group (n=51), standard CS therapy group (n=49, corbrin capsule 2 g, 3 times/d were used 3 days before and after angiography), and intensive CS therapy group (n=50, corbrin capsule 3 g, 3 times/d were used 3 days before and after angiography). Renal function was assessed at the time of hospital admission and on days 1, 2, and 3 after PCI. CIN occurred in 13 of 150 patients (8.67%). The incidence of CIN was lower in the CS treatment groups than in the basic treatment group (P<0.05), and a significant decrease in the incidence of CIN in the intensive CS therapy group was shown (P<0.01). In conclusion, prophylactic treatment with CS during the peri-procedural stage in ACS patients undergoing elective PCI has a preventive role against CIN, and intensive CS therapy could be more effective.
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