Post-processing of peak oxygen uptake data obtained during cardiopulmonary exercise testing in individuals with spinal cord injury: A scoping review and analysis of different post-processing strategies

Abdullah Alrashidi, Tom E. Nightingale, Gurjeet S. Bhangu, Virgil Bissonnette-Blais, Andrei Krassioukov*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Objectives
To review the evidence regarding the most common practices adopted with cardiopulmonary exercise testing (CPET) in individuals with spinal cord injury (SCI), with the following specific aims to: (1) determine the most common averaging strategies of peak oxygen uptake (V̇O2peak), (2) review the endpoint criteria adopted to determine a valid V̇O2peak, and (3) investigate the effect of averaging strategies on V̇O2peak values in a convenience sample of individuals with SCI (between the fourth cervical and sixth thoracic segments).

Data Sources
Searches for this scoping review were conducted in MEDLINE (PubMed), EMBASE, and Web Science.

Study Selection
Studies were included if (1) were original research on humans published in English, (2) recruited adults with traumatic and non-traumatic SCI, and (3) V̇O2peak reported and measured directly during CPET to volitional exhaustion. Full-text review identified studies published before April 2021 for inclusion.

Data Extraction
Extracted data included authors, journal name, publication year, participant characteristics, and comprehensive information relevant to CPET.

Data Synthesis
We extracted data from a total of 200 studies involving 4,928 participants. We found that more than 50% of studies adopted a 30-sec averaging strategy. A wide range of endpoint criteria were used to confirm the attainment of maximal effort. In the convenience sample of individuals with SCI (n=30), the mean V̇O2peak decreased as epoch (i.e., time) lengths increased. Reported V̇O2peak values differed significantly (P
Conclusions
The adoption of accepted and standardized methods for processing and analyzing CPET data is needed to ensure high-quality, reproducible research, and inform population-specific normative values for individuals with SCI.
Original languageEnglish
JournalArchives of Physical Medicine and Rehabilitation
Early online date27 Dec 2022
DOIs
Publication statusE-pub ahead of print - 27 Dec 2022

Keywords

  • cardiorespiratory fitness
  • spinal cord injury
  • Averaging strategies

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