Pulse Brain · Growing Health Evidence Index
Peer-reviewed

Metabolic phenotype of skeletal muscle in early critical illness

Zudin Puthucheary, Rónan Astin, Mark McPhail, Saima Saeed, Y A Zahed Pasha, Danielle E. Bear, Despina Constantin, Cristiana P. Velloso, Sean Manning, Lori D. Calvert, Mervyn Singer, Rachel L. Batterham, María Gómez‐Romero, Elaine Holmes, Michael Steiner, Philip J. Atherton, Paul L. Greenhaff, Lindsay M. Edwards, Kenneth Smith, Stephen D. R. Harridge, Nicholas Hart, Hugh Montgomery

Thorax · 2018

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Summary

OBJECTIVES: To characterise the sketetal muscle metabolic phenotype during early critical illness. METHODS: Vastus lateralis muscle biopsies and serum samples (days 1 and 7) were obtained from 63 intensive care patients (59% male, 54.7±18.0 years, Acute Physiology and Chronic Health Evaluation II score 23.5±6.5). MEASUREMENTS AND MAIN RESULTS: From day 1 to 7, there was a reduction in mitochondrial beta-oxidation enzyme concentrations, mitochondrial biogenesis markers (PGC1α messenger mRNA expression (-27.4CN (95% CI -123.9 to 14.3); n=23; p=0.025) and mitochondrial DNA copy number (-1859CN (IQR -5557-1325); n=35; p=0.032). Intramuscular ATP content was reduced compared tocompared with controls on day 1 (17.7mmol/kg /dry weight (dw) (95% CI 15.3 to 20.0) vs. 21.7 mmol/kg /dw (95% CI 20.4 t

Source type
Peer-reviewed study
DOI
10.1136/thoraxjnl-2017-211073
Catalogue ID
BFmokjo2bz-s1bv2n
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