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Assessment of Preoperative Anxiety in Cardiac Surgery Patients Lacking a History of Anxiety: Contributing Factors and Postoperative Morbidity

Published:August 10, 2017DOI:https://doi.org/10.1053/j.jvca.2017.04.044

      Objectives

      The aim of this study was to measure the level of preoperative anxiety in patients scheduled for cardiac surgery, identify any influencing clinical factors, and assess the relationship between anxiety and postoperative morbidity.

      Design

      A prospective and consecutive study.

      Setting

      A single university hospital.

      Participants

      The study comprised 200 patients scheduled for cardiac surgery.

      Interventions

      Each patient was asked to grade his or her preoperative anxiety level using the Visual Analogue Scale for Anxiety, Amsterdam Preoperative Anxiety and Information Scale, and set of specific anxiety-related questions. Demographic data (age, sex, body mass index) and anesthetic and surgical data (American Society of Anesthesiologists physical status, EuroSCORE surgical risk, preoperative length of stay, and previous anesthetic experience) were registered. Also, postoperative morbidity was assessed.

      Measurements and Main Results

      Twenty-eight percent of the patients developed high preoperative anxiety. The mean Amsterdam Preoperative Anxiety and Information Scale score was 11.4 ± 4.3, and the mean Visual Analogue Scale for Anxiety score was 48 ± 21. Patients scheduled for coronary artery bypass surgery, who had no previous anesthetic experience, and who were hospitalized before surgery, had higher anxiety scores. Coronary bypass surgery (odds ratio 3.026; 1.509-6.067; p = 0.002) was associated independently with preoperative high-level anxiety. Anxiety most commonly was caused by waiting for surgery, not knowing what is happening, fearing not being able to awaken from anesthesia, and being at the mercy of staff. Anxiety did not modify the postoperative course.

      Conclusions

      In patients waiting to undergo cardiac surgery, both fear of the unknown and lack of information, especially related to the surgery, are crucial factors in high levels of preoperative anxiety in cardiac surgery. Coronary bypass surgery is a determining factor for preoperative anxiety. The anxiety level did not modify the postoperative course in these patients.

      Key Words

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