Effect of Warm Footbath Combined With Relaxation Exercise on Pain and Anxiety During Chest Tube Removal After Cardiac Surgery

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Conditions studied: Chest Tube Removal

In brief

Chest tube removal is a widely used surgical procedure, particularly in the post-cardiac surgery period, to maintain cardiopulmonary stability, provide mediastinal drainage, and prevent potential complications. It provides one-way drainage of air and/or fluid accumulated in the pleural space through closed drainage systems. Chest tube removal is often described by patients as a painful and frightening experience. Without adequate pain control, chest tube removal can cause severe pain and anxiety in patients, limiting their physical activity and negatively impacting coughing and deep breathing. Consequently, this can lead to inadequate expansion of the thoracic cavity and predisposition to respiratory tract infections. Pain management is considered a fundamental component of nursing care. Effective pain management relies on comprehensive assessment, application of appropriate pharmacological and non-pharmacological interventions, and monitoring of patient response. Pharmacological agents commonly used during chest tube removal include local anesthetics, opioid analgesics, and anti-inflammatory drugs. However, pharmacological methods can have side effects such as vomiting, nausea, respiratory distress, and hypotension, which can reduce patient comfort. Therefore, given the frequent use and potential side effects of pharmacological methods, there is an increasing need for non-pharmacological methods that are safe, easy to apply, and have no side effects in pain and anxiety management. The literature reports that non-pharmacological interventions are effective in reducing pain felt during chest tube removal. Studies in the literature show that relaxation exercises, a non-pharmacological method, are cost-effective, easy to apply, and effective in reducing pain and anxiety levels. These exercises have been shown to provide physiological relaxation by supporting muscle activation and are effective in pain management in patients after surgical procedures. Another non-pharmacological method used to reduce postoperative pain and anxiety is warm foot baths. Warm foot baths are reported to increase peripheral temperature, causing vasodilation, supporting autonomic balance, and providing physiological relaxation. While studies evaluating the effects of warm foot baths on pain and anxiety in various clinical situations exist in the literature, no study examining its effect during chest tube removal has been found. This indicates a significant knowledge gap in the literature regarding the potential effects of warm foot baths during chest tube removal. Accordingly, this research was planned to determine the effects of relaxation exercises applied before chest tube removal and warm foot baths applied simultaneously with relaxation exercises on pain and anxiety levels in patients undergoing cardiac surgery. The research will be conducted using a two-arm, parallel-group, randomized comparative experimental design. Considering the effect sizes reported in the literature for similar interventions and accounting for both literature-based and repeated-measures calculations, a median effect size was assumed. Accordingly, the study targeted a sample size of 30 patients per group (total n=60). The relaxation group (R) and the warm water footbath group (WWF+R) will be assigned using a block-randomized design. The R group will receive guided breathing and progressive muscle relaxation exercises. The WBB+R group will receive guided breathing and progressive muscle relaxation exercises, along with a warm-water foot bath. The interventions will begin with a pre-application to familiarize patients with the procedures. In the second phase, patients will perform the procedures 15 minutes before the scheduled chest tube removal time. Data will be collected at four time points using the Visual Analog Scale and the State Anxiety Scale. Appropriate statistical methods will be used for data analysis. This research has the potential to be the first randomized comparative study examining the simultaneous effects of a warm-water foot bath and relaxation exercises during chest tube removal after cardiac surgery. The findings are expected to contribute a new, low-cost, non-invasive, and evidence-based intervention to post-surgical nursing care protocols. The research outcomes are expected to improve patient comfort and the quality of clinical care.

Key facts

Study ID
NCT07585240
Run by
Igdir University
People needed
60
Starts
2026-05-01
Expected to finish
2027-05-01
Last updated by the study team
2026-05-13

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

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