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Titre : | Assessing Ventilatory Threshold in Individuals With Motor-Complete Spinal Cord Injury (2018) |
Auteurs : | Jason S. Au ; Arjun Sithamparapillai ; Katharine D. Currie |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 99, n° 10, 2018) |
Article en page(s) : | p. 1991-1997 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Epreuve d'effort ; Exercice physique ; Rééducation et réadaptation |
Mots-clés: | Exercise ; Exercise Test ; Oxygen consumption ; Consommation d'oxygène ; Pulmonary gas exchange ; Échanges gazeux pulmonaires |
Résumé : |
Objective To assess the feasibility of measuring ventilatory threshold (VT) in higher-level motor-complete spinal cord injury (SCI) using 4 different analysis methods based on noninvasive gas exchange. Design Observational. Setting Laboratory testing. Participants Individuals with C4-T6 motor-complete SCI (16 paraplegia, 22 tetraplegia; American Spinal Injury Association Impairment Scale A/B; 42+10 years old). Interventions Not applicable. Main Outcome VT from a graded arm cycling test to volitional exhaustion using 4 methods: ventilatory equivalents, excess CO2, V-slope, and combined method. Results VT could be identified in all individuals with paraplegia, but in only 68% of individuals with tetraplegia. Individuals without observable VT completed the graded exercise test with lower ventilatory rate, peak power output, and peak oxygen consumption (Vo2peak) (all P<.05 compared to those with a detectable vt. bland-altman plots indicate minimal bias between methods l limits of agreement the difference within absolute> o2 at VT with individual methods were all correlated to peak power output (r>0.74; P<.01 and vo2peak>0.91; P<.01 with negligible differences between methods.> Conclusions The assessment of VT is a feasible alternative to peak exercise testing for aerobic fitness in individuals with higher-level, motor-complete SCI, although care should be taken when interpreting VT in individuals with tetraplegia who have lower cardiorespiratory fitness and lower peak power outputs. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/journal/archives-of-physical-medicine-and-rehabilitation |