PurposeQuality of life (QOL) is an important concept in the field of health and medicine. QOL is a complex concept that is interpreted and defined differently within and between disciplines, including the fields of health and medicine. The aims of this study were to systematically review the literature on QOL in medicine and health research and to describe the country of origin, target groups, instruments, design, and conceptual issues.MethodsA systematic review was conducted to identify research studies on QOL and health-related quality of life (HRQOL). The databases Scopus, which includes Embase and MEDLINE, CINAHL, and PsycINFO were searched for articles published during one random week in November 2016. The ten predefined criteria of Gill and Feinstein were used to evaluate the conceptual and methodological rigor.ResultsQOL research is international and involves a variety of target groups, research designs, and QOL measures. According to the criteria of Gill and Feinstein, the results show that only 13% provided a definition of QOL, 6% distinguished QOL from HRQOL. The most frequently fulfilled criteria were: (i) stating the domains of QOL to be measured; (ii) giving a reason for choosing the instruments used; and (iii) aggregating the results from multiple items.ConclusionQOL is an important endpoint in medical and health research, and QOL research involves a variety of patient groups and different research designs. Based on the current evaluation of the methodological and conceptual clarity of QOL research, we conclude that the majority QOL studies in health and medicine have conceptual and methodological challenges.Electronic supplementary materialThe online version of this article (doi:10.1007/s11136-019-02214-9) contains supplementary material, which is available to authorized users.
In patients undergoing PCI, there were no significant differences between those receiving drug-eluting stents and those receiving bare-metal stents in the composite outcome of death from any cause and nonfatal spontaneous myocardial infarction. Rates of repeat revascularization were lower in the group receiving drug-eluting stents. (Funded by the Norwegian Research Council and others; NORSTENT ClinicalTrials.gov number, NCT00811772 .).
A nurse-led systematic telephone follow-up intervention significantly improved the physical dimension of health-related quality of life in patients in the intervention group compared with usual care patients. Participation in this intervention also seemed to promote health behaviour change in patients after acute myocardial infarction.
Initially, AMI patients had higher levels of anxiety, but not depressive symptoms. After 3-18 months, these patients were not more anxious or depressed than the Norwegian reference population.
Telephone follow-up after discharge from hospital is an easy implementable follow-up intervention enabling individualised provision of information and support in a time often experienced as stressful by patients. Our study indicates that six months is an adequate support period. Despite positive results six months after discharge no significant added long-term effects of telephone follow-up, compared to usual care were found in this study.
The results indicate that it is necessary to examine the current provision of in-hospital information and education to AMI patients. Patients want more information at discharge and after returning home.
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