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Background The administration of the MacNew questionnaire centered on the health-related quality of life (HRQL) has been proposed by some scholars as a routine investigation for patients who have had revascularization procedures, with the goal of reducing unnecessary hospitalizations, which can be avoided with the optimization of therapy and lifestyles in case of worrying low scores on the questionnaire. The purpose of this study was to assess whether relatively high scores found with the MacNew questionnaire are associated with a significantly decreased risk of unplanned hospitalizations due to cardiovascular causes during follow-up. Methods This study consisted of a retrospective analysis that involved 210 patients followed up for three years after a revascularization procedure (coronary angioplasty with stent or coronary artery by-pass grafting). According to customary practice applied in the two Institutes for cardiovascular rehabilitation involved in the study, all of the patients underwent an evaluation using the MacNew questionnaire, in the context of the practices of psychological and psychosomatic assessment that are routinely implemented in patients who are treated for recovering from recent interventions of coronary percutaneous or surgical revascularization. Results Using univariate analysis, a high value (i.e., above the median of the entire patient population) for the global score was shown to be associated with a significantly decreased risk of rehospitalization [HR (hazard ratio): 0.0903; 95% CI: 0.0324 to 0.2518; p <0.0001], After adjustment for age, gender and myocardial infarction as initiating event, by incorporating these as covariates in a multivariate Cox proportional hazards regression model, the protection exerted by a high MacNew score against the risk of hospitalizations remained significant (HR: 0.0885; 95% CI: 0.0317 to 0.2472; p <0.0001). Conclusions High HRQL assessed by means of the MacNew questionnaire after coronary revascularization appears to be associated with a reduced risk of rehospitalization over a three-year follow-up.
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