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Clinical Nursing Research
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Examining Oral Intake Temperature in Cardiac Surgery Patients

Kathryn M. King

University of Calgary, Calgary, Alberta, Canada

Marlene Donahue

Calgary Health Region, Calgary, Alberta, Canada

Helen Dowey

Calgary Health Region, Calgary, Alberta, Canada

Alec Bayes

Calgary Health Region, Calgary, Alberta, Canada

Laura Cuff

Calgary Health Region, Calgary, Alberta, Canada

Nichole Korol

Calgary Health Region, Calgary, Alberta, Canada

The effect of restricting the temperature of cardiac surgery patients' oral intake to room temperature or warmer, over the first 3 postoperative days, on gastrointestinal (GI) symptoms was examined. In all, 57 patients were randomly assigned to receive the intervention or usual care. GI symptoms were measured daily over the first 5 postoperative days. Following hospital discharge, GI symptoms and return to function data were collected over 4 postoperative weeks. On Postoperative Day 1, 41% of patients reported having GI symptoms, and they were significantly associated with higher cross-clamp time. Symptoms dissipated over time. There were no differences between the study groups in GI symptoms or return to function. Nearly 70% of patients who withdrew from the study were randomized to the intervention group. Difficulty associated with adhering to the study protocol was their primary reason for withdrawing. Given these findings, a large-scale clinical trial may not be warranted.

Key Words: oral intake temperature • postoperative nausea

Clinical Nursing Research, Vol. 17, No. 4, 262-277 (2008)
DOI: 10.1177/1054773808324645
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