Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Decreased Fatty Acid Oxidation and Altered Lactate Production during Exercise in Patients with Post-acute COVID-19 Syndrome

Esther de Boer, Irina Petrache, Nir M. Goldstein, J. Tod Olin, Rebecca C. Keith, Brian Modena, Michael P. Mohning, Zulma X. Yunt, Inigo San-Millán, Jeffrey J. Swigris

American Journal of Respiratory and Critical Care Medicine · 2021

Read source ↗ All evidence

Summary

This clinical study, published in 2021 in a leading respiratory medicine journal, investigated metabolic abnormalities in patients with post-acute COVID-19 syndrome. The authors report decreased fatty acid oxidation capacity and altered lactate kinetics during exercise testing, suggesting underlying metabolic dysfunction. These findings suggest a distinct pathophysiological mechanism contributing to exercise intolerance in long COVID.

UK applicability

Given the prevalence of long COVID across the United Kingdom and similar post-viral sequelae, these metabolic findings may inform understanding of exercise rehabilitation protocols and clinical management strategies for affected UK patients. However, direct applicability to UK populations would require confirmation through UK-based cohorts.

Key measures

Fatty acid oxidation rates; lactate production during exercise; exercise capacity and metabolic parameters in post-acute COVID-19 patients versus controls

Outcomes reported

The study examined fatty acid oxidation capacity and lactate production patterns during exercise in patients with post-acute COVID-19 syndrome (long COVID), as suggested by the title's focus on altered metabolic pathways during exertion.

Theme
Nutrition & health
Subject
Dietary fats & fatty acids
Study type
Research
Study design
Observational cohort
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Human clinical
DOI
10.1164/rccm.202108-1903le
Catalogue ID
SNmotmpoqo-q7pz1h

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.