Validation Studies as Topic

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Editorial

Risk Stratification in Heart Failure: The Role of the MAGGIC Score in a Brazilian Population

Evandro José Cesarino et al. Marildes Luiza de Castro Larissa Espíndola Neto Regina Celia Garcia de Andrade Carolina Baraldi Araujo Restini

Heart failure (HF) represents one of the main challenges in contemporary cardiology and is the leading cause of hospitalization for cardiovascular disease in Brazil, especially among older adults. In addition to the high burden of morbidity and mortality, HF is associated with high rates of hospital readmission and a significant impact on healthcare systems. Given this scenario, early identification of patients at higher risk of adverse events has become a fundamental component of the clinical management of the disease.

Risk stratification tools play a central role in this process, assisting in prognostic estimation, therapeutic planning, and shared clinical decision-making with patients and families.

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Original Article

Development and Psychometric Validation of HIPER-Q to Assess Knowledge of Hypertensive Patients in Cardiac Rehabilitation

Rafaella Zulianello dos Santos et al. Christiani Decker Batista Bonin Eliara Ten Caten Martins Moacir Pereira Junior … Gabriela Lima de Melo Ghisi Kassia Rosangela Paz de Macedo Magnus Benetti

Abstract

Background:

The absence of instruments capable of measuring the level of knowledge of hypertensive patients in cardiac rehabilitation programs about their disease reflects the lack of specific recommendations for these patients.

Objective:

To develop and validate a questionnaire to evaluate the knowledge of hypertensive patients in cardiac rehabilitation programs about their disease.

Methods:

A total of 184 hypertensive patients (mean age 60.5 ± 10 years, 66.8% men) were evaluated. Reproducibility was assessed by calculation of the intraclass correlation coefficient using the test-retest method. Internal consistency was assessed by the Cronbach’s alpha and the construct validity by the exploratory factorial analysis.

Results:

The final version of the instrument had 17 questions organized in areas considered important for patient education. The instrument proposed showed a clarity index of 8.7 (0.25). The intraclass correlation coefficient was 0.804 and the Cronbach’s correlation coefficient was 0.648. Factor analysis revealed five factors associated with knowledge areas. Regarding the criterion validity, patients with higher education level and higher family income showed greater knowledge about hypertension.

Conclusion:

The instrument has a satisfactory clarity index and adequate validity, and can be used to evaluate the knowledge of hypertensive participants in cardiac rehabilitation programs.