Peak aerobic capacity from incremental shuttle walk test in chronic kidney disease. Issue 3 (29th July 2019)

• Record Type: Journal Article
• Authors: Xenophontos, Soteris; Wilkinson, Thomas J.; Gould, Douglas W.; Watson, Emma L.; Viana, João L.; Smith, Alice C.
• Is Part Of: Journal of renal care. Volume 45:Issue 3(2019)
• Page Start: 185
• Page End: 192
• Publication Date: 2019-07-29
• Subjects: Aerobic capacity -- Chronic Kidney Disease -- Exercise -- Rehabilitation; Kidneys -- Diseases -- Nursing -- Periodicals; Hemodialysis -- Periodicals; Kidney Diseases -- nursing -- Periodicals; Renal Replacement Therapy -- nursing -- Periodicals; 616.61
• DOI: 10.1111/jorc.12293
• Languages: English
• ISSNs: 1755-6678

Abstract

SUMMARY: Background: Assessment of cardiorespiratory fitness is an important outcome in chronic kidney disease (CKD). We aimed to develop a predictive equation to estimate peak oxygen uptake (VO2peak ) and power output (WPeak ), as measured during a cardiopulmonary exercise test (CPET), from the distance walked (DW) during the incremental shuttle walk test (ISWT). Methods: Thirty‐six non‐dialysing patients with CKD [17 male, age: 61 ± 12 years, eGFR: 25±7 ml/min/1.73 m 2, body mass index (BMI): 31 ± 6 kg/m 2 ] carried out laboratory‐based CPET on a cycle ergometer and ISWT on two separate occasions. Results: Linear regression revealed that DW/BMI was a significant predictor of VO2Peak (r = 0.78) (VO2Peak (ml/min/kg) = [0.5688 × (DW/BMI) (m)] + 11.50). No difference (p = 0.66) between CPET VO2Peak (19.9 ± 5.5 ml/min/kg) and predicted VO2Peak (19.9 ± 4.3 ml/min/kg) was observed. DW multiplied by body mass (BM) was a significant predictor of WPeak (r = 0.80) [WPeak (W) = (0.0018 × (DW × BM)) + 50.47]. No difference (p = 0.97) between CPET WPeak (116.2 ± 38.9 W) and estimated WPeak (113.9 ± 30.1 W) was seen. Conclusion: The present study demonstrates that VO2Peak and WPeak can be accurately estimated using the DW during an ISWT in CKD populations.