Key result
Both cognitive-behavioral therapy and dialectical behavioral therapy significantly reduced perceived stress compared to control in patients after myocardial infarction, with DBT being more effective than CBT in improving emotion-focused coping.
Why the study?
A diagnosis of MI may lead to psychological problems such as stress, depression, and anxiety, but the relative effects of CBT and DBT on perceived stress and coping skills in post-MI patients were not compared.
Does cognitive-behavioral therapy or dialectical behavioral therapy improve perceived stress and coping skills in patients after myocardial infarction?
RCT (n=45)
Random number table
No
Does cognitive-behavioral therapy or dialectical behavioral therapy improve perceived stress and coping skills in patients after myocardial infarction?
p-value: p=<0.001
Both cognitive-behavioral therapy and dialectical behavioral therapy improve perceived stress and coping skills in post-myocardial infarction patients, with DBT showing greater efficacy for emotion-focused coping.
Both CBT and DBT reduce perceived stress and improve coping post-MI; supports integration into cardiac care while extending comparative data favoring DBT for emotion-focused coping.
BACKGROUND: Among the cardiovascular diseases (CVDs), myocardial infraction (MI) is one of the main causes of mortality around the world. A diagnosis of MI may be followed by psychological problems, such as depression, anxiety, and stress. Therefore, psychological interventions can be beneficial in routine treatment. The purpose of this study was to compare the effect of cognitive-behavioral therapy (CBT) and dialectical behavioral therapy (DBT) on perceived stress and coping skills in patients after MI. METHODS: This study was a randomized clinical trial with a pretest-posttest design and control group. The statistical population consisted of 45 patients after MI who referred to Noor Heart Clinic in Rasht, Iran, between 2018 and 2019. They were randomly divided into 3 groups of 15 individuals (2 interventions including CBT and DBT, and 1 control group). In the intervention groups, participants underwent 8 weekly 90-minute sessions. Data were collected using a 3 part self-report questionnaire including a demographic information form, the Ways of Coping Questionnaire (WCQ), and the Perceived Stress Scaleý-14 (PSS-14). The statistical methods used for data analysis included chi-square test, one-way ANOVA, repeated-measures ANOVA, and post hoc Bonferroni test. RESULTS: We found significant main effects of group (F(2,42)=6.11; P=0.005) and time (F(2,84)=28.48; P<0.001), and a significant group-by-time interaction (F(4,84)=8.97; P<0.001) on perceived stress scores. For problem-focused coping scores, findings indicated significant main effects of group (F(2,42)=7.33; P=0.002) and time (F(2,84)=30.71; P<0.001), and a significant group-by-time interaction (F(4,84)=12.86; P<0.001). For emotion-focused coping scores, the results also indicated significant main effects of group (F(2,42) = 17.41; P < 0.001) and time (F(2,84)=31.74; P<0.001), and a significant group-by-time interaction (F(4,84)=14.90; P<0.001). CONCLUSION: The current study revealed that DBT was more effective in improving emotion-focused coping than CBT.
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Nourisaeed et al. (2021) conducted an RCT in Myocardial infarction (n=45). Cognitive-behavioral therapy (CBT) and Dialectical behavioral therapy (DBT) vs. Standard care (control) was evaluated on Perceived stress scores (p=<0.001). Both cognitive-behavioral therapy and dialectical behavioral therapy significantly reduced perceived stress compared to control in patients after myocardial infarction, with DBT being more effective than CBT in improving emotion-focused coping.
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