• Kara F Hedman, Carrie L Mann, Cheryl Spulecki, and Jessica Castner.
• University of Rochester Medical Center, Rochester, New York.
• AANA J. 2016 Dec 1; 84 (6): 413-419.

AbstractThis review assessed the utility of vasopressin and vasopressin analogues for the treatment of refractory hypotension associated with angiotensin-converting enzyme (ACE) inhibitors in the perioperative setting. A systematic review of the literature was conducted using MEDLINE, Embase, and ProQuest. Six randomized controlled trials met eligibility criteria. In the perioperative setting, continued use of ACE inhibitors within 24 hours before surgery remains controversial. Authors of the reviewed studies suggested that the morning dose of the ACE inhibitor be held, and those patients experienced decreased catecholamine use postoperatively and shorter duration of decreased mean arterial pressure. No incidence of refractory hypertension from withholding the morning dose of the ACE inhibitor was mentioned. All of the patients receiving vasopressin demonstrated improved hemodynamic stability with small, intermittent doses, without profound ischemic changes. For management (prevention and treatment) of ACE inhibitor-associated hypotension in the perioperative setting, all studies showed statistically significant success with vasopressin or vasopressin analogues for improvement of systemic blood pressures. Before vasopressin is widely accepted as a standard of care, further studies are needed to confirm these findings and assess the general utility of vasopressin in surgical populations for management of ACE inhibitor-associated refractory hypotension.Copyright© by the American Association of Nurse Anesthetists.

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