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. 2022 Jun 24;23(7):225.
doi: 10.31083/j.rcm2307225. eCollection 2022 Jul.

Application and Measurement Properties of the Talk Test in Cardiopulmonary Patients: A Systematic Review

Ariany Marques Vieira  1   2   3 , Edgar Manoel Martins  1   2 , Amanda Althoff  1   2   4 , Daiana Aparecida Rech  1   2   5 , Gustavo Dos Santos Ribeiro  2   6 , Darlan Laurício Matte  1   4 , Marlus Karsten  1   2   4   6
Affiliations

Application and Measurement Properties of the Talk Test in Cardiopulmonary Patients: A Systematic Review

Ariany Marques Vieira et al. Rev Cardiovasc Med. .

Abstract

Background: The talk test (TT) evaluates the exercise intensity by measuring speech comfort level during aerobic exercise. There are several application protocols available to assess individuals with cardiopulmonary diseases. However, the measurement properties of the TT were not systematically reviewed yet.

Methods: A systematic review was developed, registered (CRD420181068930), and reported according to PRISMA Statement. Randomized clinical trials, cross-sectional studies, or series cases were identified through multiple databases and were selected if they presented concomitant speech provocation and an exercise test. Included studies were evaluated based on methodological quality (adapted New Castle-Ottawa Scale), descriptive quality (STROBE Statement), and risk of bias (COSMIN bias risk scale).

Results: Ten studies were included. Seven studies presented moderate to high quality and the majority presented good scores according to the STROBE statement. Four hundred and fourteen subjects performed the TT, the majority being patients with coronary artery disease. The test validity was supported by the included studies. Talk Test reliability was considered satisfactory, although only one study presented an adequate reliability analysis. The studies found a correlation between the last positive stage of the TT with the first ventilatory threshold. Workload, oxygen uptake, and heart rate in the last positive stage of the TT were not different from the same parameters related to the first ventilatory threshold.

Conclusions: The evidence indicates that the TT is suitable as an alternative tool for the assessment and prescription of exercise in individuals with cardiovascular diseases. The stage when the individual is still able to speak comfortably is suggested as the intensity for aerobic exercise prescription. As there is still no well-defined and fully explored TT protocol, caution is required when interpreting the TT results.

Keywords: cardiorespiratory evaluation; exercise test; heart diseases; validity.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Fig. 1.
Fig. 1.
Flowchart of the screening process and studies selection.
See this image and copyright information in PMC

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