A study on the effect of transcendental meditation training on preoperative anxiety and postoperative recovery in patients with off-pump coronary artery bypass grafting
Objectives:To investigate the anxiety in patients with off-pump coronary artery bypass grafting on the afternoon of next day after admission and the day of preoperation；to explore the factors related to the anxiety；to determine the effect of transcendental meditation trainings on preanxiety，postoperative recovery and pain． Methods：This study was an experimental survey．195 patients who received off-pump coronary artery bypass grafting in the henan provincial people’s hospital were to be samples.Random coin method was used，195 participants were divided into two groups，98 cases in the experimental group and 97 cases in the control group.Subjects in the experimental group were received TM training twice every day and each time twenty minutes during in hospital and received routine care，while those in control group were received routine care．All the patients were evaluated with the questionnaire.The outcome of anxiety on the afternoon of next day after admission and the day of preoperation was assessed.The dates of postoperative recovery were recorded，postoperative pain was evaluated． Results：⑴ The scores of anxiety in patients with off-pump coronary artery bypass grafting were (24.10±5.25)：the patients with anxiety scores less than 26 accounted for 61％（119 cases), anxiety scores between 26 and 32 were 29％（57 cases),and anxiety scores more than 32 were 10％（19 cases)on the afternoon of next day after admission. By paired-samples T test，it showed that the scores of anxiety in two groups on the day of preoperation were significance more than that the afternoon of next day after admission (P<0.01). Multiple linear regression indicated that economic status，negative emotion, confrontation, debarb ,yield and social support were the independent influential factors of anxiety． (2) By two independent-samples t-test，the anxiety were significance between the experimental group and control group(P<0.05)，the level of anxiety of experimental group were lower than control group after intervention(P<0.05). (3) Result of t-test showed that the time of operation of breathing apparatus，ICU stay，getting up of bed and exercises and stay in hospotial in postoperation was earlier in the experimental group than that in the control group(P<0.05)．The effect of recovery was better in the experimental group than that in the control group. (4) Repeated measures ANOVA showed that the main effects of intervention on postoperative pain was significant(P<0.05)，in other word，the postoperative pain was different between various interventions．There was significant interactions(P<0.05) between time and intervention．Interaction diagram indicated that the postoperative pain was lower in experimental group than that of control group. Conclusions：⑴ The level of anxiety was gradually aggvarated after admission in patients with off-pump coronary artery bypass grafting．The most serious anxiety was in the day of preoperation． (2) Economic status，negative emotion, confrontation, debarb，yield and social support significantly affected anxiety in patients． (3)TM training could decrease the preoperative anxiety in patients with off-pump coronary artery bypass grafting． (4) TM training could relieve postoperative pain in patients. ⑸ TM training could promote postoperative recovery in patients．
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