Background: Inadvertent perioperative hypothermia (IPH) leads to a series of deleterious effects that can be especially in complex procedures such as liver transplant. The implementation of a protocol is key to ensure the patient's normothermia.
Methods: A cohort of 209 patients who underwent liver transplant in a tertiary hospital in a period between January 2016 and December 2018 was retrospectively analyzed. The patients were divided into 2 groups: group 1, patients with normothermia (core body temperature ≥ 36°C) and group 2, patients with hypothermia (core body temperature < 36°C). Mortality between both groups at 1 month, 1 year, and 3 years is compared. Postoperative morbidity is also compared.
Results: The incidence of IPH is 21.5%. Patients with normothermia present with statistical significance: a lower mortality at 1 year; a lower need for transfusion of platelets, plasma, fibrinogen consumption, or massive polytransfusion; and lower primary graft dysfunction, graft and surgical complications, rejection, hemodynamic complications, and metabolic and surgical reintervention. No significant differences were found in mortality at 1 month or 3 years in the need for prolonged mechanical ventilation; hospital readmission; length of stay in the intensive care unit or in hospital stay; rate of red blood cell transfusion; vascular, biliary, respiratory, or digestive complications; refractory ascites; or neurologic, kidney, hematological, endocrine, thrombotic, nutritional, or infectious issues.
Conclusions: The incidence of IPH is relatively low in our patients, based on what is described in the literature, and in most cases it is mild. There is a reduction in complications fundamentally related to the consumption of blood products and the graft.
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