• Am. J. Crit. Care · May 2024

    Limb Necrosis in the Setting of Vasopressor Use.

    • Kendall H Derry, Madeline C Rocks, Paul Izard, Rebecca S Nicholas, Philip M Sommer, and Jacques H Hacquebord.
    • Kendall H. Derry is a resident physician, Department of Orthopedic Surgery, NYU Langone Health, New York, New York.
    • Am. J. Crit. Care. 2024 May 1; 33 (3): 226233226-233.

    BackgroundIt remains poorly understood why only some hemodynamically unstable patients who receive aggressive treatment with vasopressor medications develop limb necrosis.ObjectiveTo determine the incidence of limb necrosis and the factors associated with it following high-dose vasopressor therapy.MethodsA retrospective case-control medical records review was performed of patients aged 18 to 89 years who received vasopressor therapy between 2012 and 2021 in a single academic medical center. The study population was stratified by the development of limb necrosis following vasopressor use. Patients who experienced necrosis were compared with age- and sex-matched controls who did not experience necrosis. Demographic information, comorbidities, and medication details were recorded.ResultsThe incidence of limb necrosis following vasopressor administration was 0.25%. Neither baseline demographics nor medical comorbidities differed significantly between groups. Necrosis was present in the same limb as the arterial catheter most often for femoral catheters. The vasopressor dose administered was significantly higher in the necrosis group than in the control group for ephedrine (P = .02) but not for the other agents. The duration of therapy was significantly longer in the necrosis group than in the control group for norepinephrine (P = .001), epinephrine (P = .04), and ephedrine (P = .01). The duration of vasopressin administration did not differ significantly between groups.ConclusionThe findings of this study suggest that medication-specific factors, rather than patient and disease characteristics, should guide clinical management of necrosis in the setting of vasopressor administration.©2024 American Association of Critical-Care Nurses.

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