Description

The Quality of Life after Myocardial Infarction Questionnaire (QLMI-26) is a specialized assessment instrument designed to evaluate the quality of life of individuals who have experienced a myocardial infarction.

The questionnaire recognizes that recovery following a myocardial infarction extends beyond conventional clinical outcomes. A cardiac event may affect patients’ physical health, emotional well-being, social relationships, ability to perform everyday activities, and capacity to return to work and their previous lifestyle.

The QLMI therefore provides a multidimensional assessment of patients’ experiences following myocardial infarction, offering information about symptoms, emotions, functional limitations, and lifestyle changes associated with the cardiac event.

Objective

The primary objective of the QLMI is to assess how myocardial infarction affects different aspects of patients’ lives.

More specifically, the instrument aims to identify changes in quality of life following a cardiac event, determine patients’ needs for improved adaptation and rehabilitation, and support healthcare professionals in providing comprehensive care aimed at improving patients’ overall quality of life.

The questionnaire may also help identify specific areas in which additional therapeutic, rehabilitative, or psychosocial support is required.

Dimensions

According to the available source, the QLMI addresses several important areas of quality of life:

Physical Health: Assesses the ability to perform everyday activities and considers factors such as fatigue and pain.

Emotional Well-Being: Examines psychological and emotional consequences, including depression, anxiety, and concerns about health.

Social Functioning: Evaluates the individual’s level of social interaction and the support received from family and friends.

Functional Capacity: Assesses the individual’s ability to return to usual daily activities and work.

The questionnaire also contains items addressing symptoms, emotions, and lifestyle changes following the cardiac event, providing a broader assessment of post-myocardial infarction quality of life.

Scoring

Responses to the QLMI are provided using a Likert-type scale, allowing differences in patients’ quality of life following myocardial infarction to be evaluated quantitatively.

The resulting responses can be used to examine different aspects of quality of life and to monitor changes during the rehabilitation process.

The available source does not specify the exact number of Likert response categories, response anchors, total score range, reverse-scored items, or specific clinical interpretation thresholds. Therefore, detailed scoring should follow the instructions associated with the specific version of the QLMI being administered.

Data Analysis and Use

Data collected through the QLMI can be analyzed to evaluate patients’ quality of life following myocardial infarction and to monitor their progress throughout rehabilitation.

According to the source, QLMI data may be used to evaluate the effectiveness of therapeutic interventions, including medication, dietary interventions, physical exercise, and psychosocial support.

The results may also help identify areas in which patients require additional support or intervention.

Repeated assessments may be particularly useful for examining changes in quality of life during recovery and for evaluating whether rehabilitation strategies are associated with improvements in patients’ everyday functioning and well-being.

Statistical Analysis

Statistical analyses can be conducted to identify the dimensions of quality of life that are most strongly affected following myocardial infarction.

Reliability analysis, including measures such as Cronbach’s alpha, may be used to assess the internal consistency of questionnaire items.

According to the source, multivariate analysis may also be applied to investigate the impact of factors such as age, sex, and severity of myocardial infarction on patients’ responses.

These approaches can contribute to a more detailed understanding of the factors associated with quality of life during recovery.

Psychometric Evaluation

According to the available source, psychometric evaluation of the QLMI may include:

Reliability Analysis: Used to assess the internal consistency of responses across the different questionnaire categories.

Confirmatory Factor Analysis: Used to examine whether the scale measures the expected dimensions of quality of life.

Validation Across Different Patient Populations: Used to determine whether the questionnaire is appropriate for broader application across different populations, clinical settings, and conditions.

These procedures can support the evaluation of the instrument’s measurement properties when it is applied in different research and clinical contexts.

Clinical Utility

The QLMI can be used as a complementary patient-reported assessment during cardiac rehabilitation, providing information that extends beyond conventional clinical indicators.

By assessing physical health, emotional well-being, social functioning, and functional capacity, the questionnaire can help identify difficulties that may affect patients’ recovery and everyday lives.

Its results may therefore contribute to a more individualized and comprehensive rehabilitation approach, with interventions tailored to the specific needs and difficulties experienced by each patient.

Applications

The QLMI may be applied in clinical cardiology, cardiac rehabilitation, and research examining quality of life following myocardial infarction.

It can support the monitoring of patients’ progress, evaluation of therapeutic and rehabilitation interventions, and identification of factors associated with differences in post-myocardial infarction quality of life.

The multidimensional approach of the questionnaire enables patients’ own experiences to be incorporated into the evaluation of recovery, providing a broader perspective on outcomes following a cardiac event.

References

Oldridge N, Guyatt G, Jones N, Crowe J, Singer J, Feeny D. Effects on quality of life with comprehensive rehabilitation after acute myocardial infarction. American Journal of Cardiology. 1991;67(13):1084-1089.

Smith KW, Avis NE. Assessment of quality of life after myocardial infarction: Development of a specific core questionnaire. Psychosomatic Medicine. 1998;60(3):241-251.

Coutinho-Myrrha MA, Dias RC, Fernandes AA, Coelho CM. Quality of life and associated factors in patients after myocardial infarction. Arquivos Brasileiros de Cardiologia. 2014;103(6):410-420.