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  • Title: Perioperative statin therapy and renal outcomes after major vascular surgery: a propensity-based analysis.
    Author: Kor DJ, Brown MJ, Iscimen R, Brown DR, Whalen FX, Roy TK, Keegan MT.
    Journal: J Cardiothorac Vasc Anesth; 2008 Apr; 22(2):210-6. PubMed ID: 18375322.
    Abstract:
    OBJECTIVE: To evaluate how the presence and timing of statin therapy affect perioperative renal outcomes after major vascular surgery. DESIGN: Retrospective cohort study. SETTING: Surgical intensive care unit at a single academic medical center. PARTICIPANTS: Patients undergoing major vascular surgery between July 2004 and October 2005. MEASUREMENTS AND MAIN RESULTS: The presence and timing of perioperative statin administration and the propensity for receiving such therapy were noted. Renal outcomes, lengths of stay, and mortality were reviewed. One hundred fifty-one procedures were performed. Eighty-nine patients (59%) received statin therapy. There was no evidence for renal protection with perioperative statin therapy (Delta creatinine 0.2 mg/dL v 0.2 mg/dL, p = 0.41; acute renal injury/acute renal failure 8% v 6%, p = 1.00; renal replacement therapy 3% v 3%, p = 1.00; all statin v no statin, respectively). With the possible exception of early reinstitution of statin therapy in chronic statin users, subgroup analyses failed to confirm an association between statin timing and prevention of postoperative renal dysfunction. CONCLUSIONS: In the present investigation, neither the presence nor timing of perioperative statin therapy was associated with improved renal outcomes in patients undergoing a range of major vascular procedures. A possible exception is early postoperative reinitiation of statin therapy in chronic statin users. The discrepant results of available literature preclude a definitive statement on the use of statin therapy as a means of preventing postoperative renal dysfunction. An adequately powered prospective trial is needed before advocating the routine use of statin therapy for perioperative renal protection.
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