Use of a Self-Report Medication Adherence Scale for Measuring Adherence to Antiretroviral Therapy in Patients With HIV/AIDS

Calidad de vida relacionada con la salud en sujetos con VIH

Introducción: Desde la identificación del VIH se ha avanzado en el desarrollo de tratamientos más seguros y eficaces que aseguren la sobrevida de los sujetos afectados, siendo el reto de los profesionales sanitarios el mejoramiento de la calidad de vida relacionada con la salud de estos. Objetivo: Analizar la calidad de vida relacionada con la salud de una muestra de pacientes con VIH de Buenos Aires, Argentina. Método: Estudio analítico, transversal y cuantitativo realizado durante los meses de enero a marzo de 2020. Participaron un total de 144 sujetos. Se administraron los cuestionarios SF-36 y Morisky-Green. Resultados: La muestra estuvo comprendida mayoritariamente por hombres, solteros, sin hijos y con estudios universitarios. El 49,30 % presentaba una buena adherencia al tratamiento. La Función física fue la dimensión mejor evaluada (92,19), mientras que la Vitalidad fue la peor percibida (61,42). El componente mental fue el más afectado. El sexo femenino, nivel de estudios primario, edad más alta, tenencia de hijos y la presencia de complicaciones se asociaron a una peor calidad de vida. Conclusiones: Se hace importante implementar acciones tendientes a mejorar la adherencia al tratamiento de los pacientes y promover estilos de vida favorecedores de la salud. Asimismo, el abordaje de los sujetos ha de ser integral, considerando las dimensiones psíquica, emocional, social y espiritual como parte de las áreas de atención. La calidad de vida debe ser un indicador de seguimiento para los profesionales sanitarios.

Measurement Properties of Existing Patient-Reported Outcome Measures on Medication Adherence: Systematic Review

BACKGROUND

Medication adherence is essential for improving the health outcomes of patients. Various patient-reported outcome measures (PROMs) have been developed to measure medication adherence in patients. However, no study has summarized the psychometric properties of these PROMs to guide selection for use in clinical practice or research.

OBJECTIVE

This study aims to evaluate the quality of the PROMs used to measure medication adherence.

METHODS

This study was guided by the PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) guidelines. Relevant articles were retrieved from the EMBASE, PubMed, Cochrane Library, Web of Science, and CINAHL (Cumulative Index to Nursing and Allied Health Literature) databases. The PROMs were then evaluated based on the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) guidelines.

RESULTS

A total of 121 unique medication adherence PROMs from 214 studies were identified. Hypotheses testing for construct validity and internal consistency were the most frequently assessed measurement properties. PROMs with at least a moderate level of evidence for ≥5 measurement properties include the Adherence Starts with Knowledge 20, Compliance Questionnaire-Rheumatology, General Medication Adherence Scale, Hill-Bone Scale, Immunosuppressant Therapy Barrier Scale, Medication Adherence Reasons Scale (MAR-Scale) revised, 5-item Medication Adherence Rating Scale (MARS-5), 9-item MARS (MARS-9), 4-item Morisky Medication Adherence Scale (MMAS-4), 8-item MMAS (MMAS-8), Self-efficacy for Appropriate Medication Adherence Scale, Satisfaction with Iron Chelation Therapy, Test of Adherence to Inhalers, and questionnaire by Voils. The MAR-Scale revised, MMAS-4, and MMAS-8 have been administered electronically.

CONCLUSIONS

This study identified 121 PROMs for medication adherence and provided synthesized evidence for the measurement properties of these PROMs. The findings from this study may assist clinicians and researchers in selecting suitable PROMs to assess medication adherence.

Development of an Item Bank to Measure Medication Adherence: Systematic Review

Background

Medication adherence is important in managing the progression of chronic diseases. A promising approach to reduce cognitive burden when measuring medication adherence lies in the use of computer‐adaptive tests (CATs) or in the development of shorter patient-reported outcome measures (PROMs). However, the lack of an item bank currently hampers this progress.

Objective

We aim to develop an item bank to measure general medication adherence.

Methods

Using the preferred reporting items for systematic review and meta-analysis (PRISMA), articles published before October 2019 were retrieved from PubMed, Embase, CINAHL, the Cochrane Library, and Web of Science. Items from existing PROMs were classified and selected (“binned” and “winnowed”) according to standards published by the Patient-Reported Outcomes Measurement Information System (PROMIS) Cooperative Group.

Results

A total of 126 unique PROMs were identified from 213 studies in 48 countries. Items from the literature review (47 PROMs with 579 items for which permission has been obtained) underwent binning and winnowing. This resulted in 421 candidate items (77 extent of adherence and 344 reasons for adherence).

Conclusions

We developed an item bank for measuring general medication adherence using items from validated PROMs. This will allow researchers to create new PROMs from selected items and provide the foundation to develop CATs.