Effectiveness of Music Therapy on Anxiety, Physiological Responses, Vital Capacity, and Oxygen Saturation in Mechanically Ventilated Patients
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2009-09-21
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Department of Nursing, Faculty of Medicine Ramathibodi Hospital, Mahidol University
Abstract
Abstract: This experimental research was designed to test the effectiveness of music therapy in reducing anxiety levels, promoting physiological responses by decreasing heart rate, respiratory rate, blood pressure, and increasing oxygen saturation and vital capacity in patients with respiratory failure using a mechanical ventilator. The sample consisted of thirty patients receiving mechanical ventilation. The study was conducted from July 2000 to January 2001 in three settings: the medical intensive care unit, the coronary care unit, and the intermediate care unit, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Bangkok, Thailand. Subjects were purposively selected according to pre-determined criteria. A change-over design was used in this research study to compare the changes in anxiety level, vital capacity, physiological responses, and oxygen saturation among the same patients during two periods: the music therapy and no music therapy period. Subjects assessed their music preference and received a chance to select natural music from the collection. In the experimental period,the subjects listened to their chosen music through headphones via portable compact disk player for 30 minutes while receiving mechanical ventilation. In the control period, all subjects received no music therapy, but silent headphones were put on. The results of thestudy indicate that during the music therapy period, anxiety level, heart rate, respiratory rate, and mean arterial pressure and systolic blood pressure of the subjects decreased significantly more than in the control period. Vital capacity and oxygen saturationof the subjects during the music therapy period increased significantly more than in the control period. There was no statistically significant difference in the change in diastolic blood pressure between the music therapy and the no music therapy period. The application of music therapy is convenient and inexpensive for patients receiving mechanical ventilation. Music therapy provides an effective and inexpensive means for anxiety reduction and promotes relaxation in mechanically ventilated patients.
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Ramathibodi Nursing Journal; Vol. 14 No. 3, September - December 2008