Selected Factors Associated with Sexual Function among Patients with Myocardial Infarction after Percutaneous Transluminal Coronary Intervention

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Pansa Boonrueang
Noraluk Ua-Kit


            The purposes of this descriptive correlational research were to examine sexual function among patients with myocardial infarction after percutaneous transluminal coronary intervention (PCI) and to determine factors associated with sexual function from gender, severity of disease, sexual knowledge, sexual anxiety, perceived sexual self-efficacy, sexual depression, and social support. One hundred and twenty four adults aged 18 - 59 years diagnosed with myocardial infarction after PCI from the general outpatients’ department and heart clinic at Somdech Phra Pinklao Hospital, and Thammasat University Hospital, were recruited using a multistage sampling technique. The instruments were 1) General data form, 2) Sexual function scale, 3) Severity of disease assessment, 4) The sex after myocardial infarction knowledge test, 5) Sexual anxiety scale, 6) Sexual self-efficacy scale, 7) Sexual depression scale, and 8) Social support questionnaire. All questionnaires were tested for content validity by five experts, and their validity coefficients of set 2 - 8 were 0.93, 1.00, 0.98, 0.97, 0.91, 1.00, and 0.98, respectively. Their reliability coefficients of set 2, 4 - 8 were 0.82, 0.77, 0.91, 0.91, 0.85, and 0.81, respectively. Data were analyzed using descriptive statistics, Pearson’s product moment correlation, and point biserial correlation coefficient. The findings were as follows:
            1. The average score of sexual function among patients with myocardial infarction after PCI was at a medium level (M  = 47.61, SD = 4.83).
            2. Gender and severity of disease were significantly related to sexual function among patients with myocardial infarction after PCI at the .05 level (rpb = .109 and -.133).
            3. Sexual knowledge, perceived sexual self-efficacy, and social support were positively and significantly related to sexual function among patients with myocardial infarction after PCI at the .05 level (r = .125, .212, and .633, respectively).
            4. Sexual anxiety and sexual depression were negatively and significantly related to sexual function among patients with myocardial infarction after PCI at the .05 level (r = -.495, and -.407).


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