Evaluation of Health-Related Quality of Life for Individuals Living with HIV
Impact of Antiretroviral Therapy
A recent systematic review by British researchers assessed various measures of health-related quality of life (HRQoL) for individuals living with HIV. The advent of combination antiretroviral therapy (ART) has transformed HIV from a terminal illness into a manageable chronic condition. Nonetheless, those living with HIV still experience a lower HRQoL compared to the general population. In regions where treatment is readily accessible, many individuals with HIV can lead lives that closely resemble those of their peers.
Factors Influencing HRQoL
Despite advancements in treatment, previous studies indicate that social circumstances, relationship dynamics, stigma, underlying infections, and comorbidities continue to affect the HRQoL of HIV-positive individuals. Enhancing the quality of life for these patients remains a central goal in healthcare and support services. The World Health Organization emphasized in 1946 that health encompasses complete physical, mental, and social well-being.
Measuring Health-Related Quality of Life
HRQoL is evaluated by examining how health influences an individual’s perception of their well-being. This assessment considers physical, mental, and social aspects, as well as factors like independence, spirituality, and environmental influences. To effectively assess new treatments and healthcare interventions for HIV patients, HRQoL measurements are essential alongside clinical endpoints such as AIDS progression.
Previous Research and Review Methodology
Prior studies have employed various tools to measure HRQoL; however, the diverse aims of this research—particularly context-specific measures from regions like sub-Saharan Africa—have hindered the establishment of a standardized clinical assessment for all HIV patients. In response, UK researchers conducted a systematic review of existing reviews to identify the most effective HRQoL evaluation methods, with their findings published in *Health and Quality of Life Outcomes*.
The review was conducted in two stages. Initially, researchers searched for previously published systematic reviews since 2000 that utilized tools to measure HRQoL in adults living with HIV. The second stage involved selecting HRQoL scales identified in the first phase. To be included, HRQoL scales had to be practical and comprehensive, ideally self-administered in ten minutes or less and considering at least three factors commonly associated with quality of life: physical, social, and mental functioning. Generic measures needed to provide normative data for comparisons between the general population and those living with HIV.
Findings and Key Measures Identified
Only ten reviews met the selection criteria, with nine fulfilling the generic criteria. Among these, the Medical Outcomes Study emerged as the most established HIV-specific HRQoL measure, recognized for its robust psychometric properties. However, researchers noted limitations, including insufficient input from individuals living with HIV during its development and concerns about its cross-cultural applicability, particularly with the advent of ART.
Two newer measures included in the review, the World Health Organisation Quality of Life – BREF and the Patient Reported Outcomes Quality of Life – HIV questionnaires, demonstrate promising psychometric properties and good internal consistency, appearing more relevant to current HIV patients.
Implications for Healthcare Assessment
The review concluded that the selection of an HRQoL measure for patients living with HIV should hinge on the specific assessment purpose, whether addressing clinical or research queries, including the potential impact of new treatments or interventions. To enhance the quality of reported outcomes, it is critical that chosen measures are reliable, meet diverse requirements, and are straightforward for patients to understand and interpret.
Several general and HIV-specific tools were identified as effective and practical for assessing both clinical care and the introduction of interventions for individuals living with HIV. However, given the context-dependent nature of the selected measures, further validation of HIV-specific HRQoL tools is necessary.
Reference
Cooper V, Clatworthy J, Harding R, Whetham J; Emerge Consortium. Measuring quality of life among people living with HIV: a systematic review of reviews. Health Qual Life Outcomes. 2017 Nov 15;15(1):220. doi: 10.1186/s12955-017-0778-6.