Respiratory Physiotherapy and PMR After Cardiac Surgery

Anxiety, Cardiac Surgery, Delirium, Dyspnea

Respiratory Physiotherapy, Progressive Muscle Relaxation, Cardiac Rehabilitation, Postoperative Care, Intensive Care Unit, Hemodynamic Parameters

This study aims to evaluate the effects of respiratory physiotherapy combined with progressive muscle relaxation exercises on dyspnea, anxiety, hemodynamic status, and delirium symptoms in patients after cardiac surgery. This randomized controlled trial will include 116 patients who will be randomly assigned to an intervention group or a control group. The intervention group will receive respiratory physiotherapy and progressive muscle relaxation exercises in addition to routine postoperative care for 30 minutes per day over three consecutive days, while the control group will receive routine care only. Outcome measures will include dyspnea assessed by the Modified Borg Scale, anxiety assessed by the State-Trait Anxiety Inventory, hemodynamic parameters obtained from vital signs, and delirium symptoms assessed using the Nursing Delirium Screening Scale. It is hypothesized that the combined intervention will reduce dyspnea and anxiety levels, improve hemodynamic stability, and decrease delirium symptoms. The findings are expected to contribute to improved postoperative recovery and reduced complication risks following cardiac surgery.

This study is designed as a randomized controlled trial to investigate the effects of respiratory physiotherapy combined with progressive muscle relaxation exercises on dyspnea, anxiety, hemodynamic status, and delirium symptoms in patients following cardiac surgery. A total of 116 adult patients who have undergone cardiac surgery will be recruited and randomly allocated into two groups: an intervention group and a control group. The intervention group will receive respiratory physiotherapy techniques, including breathing exercises, postural drainage, percussion, and vibration, together with progressive muscle relaxation exercises, in addition to routine postoperative care. These interventions will be applied for 30 minutes per day over three consecutive days in the postoperative period. The control group will receive only routine postoperative care and standard cardiac rehabilitation procedures. Outcome measures will include dyspnea assessed using the Modified Borg Scale, anxiety assessed using the State-Trait Anxiety Inventory, hemodynamic parameters including blood pressure, heart rate, respiratory rate, and oxygen saturation obtained from routine vital sign monitoring, and delirium symptoms assessed using the Nursing Delirium Screening Scale. Data will be collected at baseline and after the intervention period. Inclusion criteria include patients aged 18 years and older who have undergone cardiac surgery and are able to participate in the interventions. Patients with severe orthopedic limitations, communication barriers, or medical contraindications to the interventions will be excluded. Participants may withdraw from the study at any time, and all procedures will be conducted in accordance with ethical standards and patient safety principles. Randomization will be performed using a computer-based randomization method, and participants will be assigned to groups in a 1:1 ratio. Statistical analysis will be conducted using appropriate parametric and non-parametric tests, with a significance level set at p \< 0.05.

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