The aim of this retrospective study was to explore the perioperative factors influencing postoperative complications among elderly patients undergoing cardiac surgery within 72 hours. The participants were 343 patients undergoing cardiac surgery admitted to the intensive care unit (ICU) in a tertiary care university hospital in Thailand. The instruments used for data collection were data record forms, including demographic information, comorbidity, medical history, laboratory results, operation types, and duration of ICU admission. Descriptive statistics and Chi-square test analysis were applied for final analysis. Findings demonstrated that of all participants, 99.12% developed hypothermia (body temperature < 36 degrees Celsius) within 72 hours in ICU, and 77.26% experienced cardiac complications. The most prevalent cardiac complications were atrial fibrillation (47.45%), atrioventricular block (17.41%), and bradycardia (5.25%), respectively. The significant risk factors predicting complications after cardiac surgery within 72 hours in ICU depend on age (p = .002), Charlson comorbidity index (CCI) (p = .005), left ventricular ejection fraction (LVEF) (p = .026), cardiopulmonary bypass (CPB) time (p = .004), and aortic cross–clamping time (p = .039). The research findings of this study provide essential fundamental information for nurses to proactively mitigate complications in elderly patients undergoing heart surgery within the first 72 hours in the ICU. Furthermore, developing and evaluating nursing interventions or protocols are needed to prevent hypothermia and cardiac complications following cardiac surgery in the intensive care unit.

Authors:
Teepatad Chintapanyakun, Mahidol University, Thailand
Kessara Thikheaw, Mahidol University, Thailand
Siwaphan Yutthasaen, Mahidol University, Thailand
Waranya Phopasert, Mahidol University, Thailand
Suchart Chaiyaroj, Mahidol University, Thailand

About the Presenter(s)
Dr Teepatad Chintapanyakun is the senior nurse professional level of department of nursing service, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand.

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