Aerobic Fitness Is Disproportionately Low in Adult Burn Survivors Years after Injury

Matthew S. Ganio, James Pearson, Zachary J. Schlader, Robert Matthew Brothers, Rebekah A I Lucas, Eric Rivas, Karen J. Kowalske, Craig G. Crandall

Research output: Contribution to journalArticle

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Abstract

A maximal aerobic capacity below the 20th percentile is associated with an increased risk of all-cause mortality (Blair 1995). Adult Adult burn survivors have a lower aerobic capacity compared with nonburned adults when evaluated 38 ± 23 days postinjury (deLateur 2007). However, it is unknown whether burn survivors with well-healed skin grafts (ie, multiple years postinjury) also have low aerobic capacity. This project tested the hypothesis that aerobic fitness, as measured by maximal aerobic capacity (VO<inf>2max</inf>), is reduced in well-healed adult burn survivors when compared with normative values from nonburned individuals. Twenty-five burn survivors (36 ± 12 years old; 13 females) with well-healed split-thickness grafts (median, 16 years postinjury; range, 1-51 years) covering at least 17% of their BSA (mean, 40 ± 16%; range, 17-75%) performed a graded cycle ergometry exercise to test volitional fatigue. Expired gases and minute ventilation were measured via a metabolic cart for the determination of VO<inf>2max</inf>. Each subject's VO<inf>2max</inf> was compared with sex-and age-matched normative values from population data published by the American College of Sports Medicine, the American Heart Association, and recent epidemiological data (Aspenes 2011). Subjects had a VO<inf>2max</inf> of 29.4 ± 10.1 ml O<inf>2</inf>/kg body mass/min (median, 27.5; range, 15.9-53.3). The use of American College of Sports Medicine normative values showed that mean VO<inf>2max</inf> of the subjects was in the lower 24th percentile (median, 10th percentile). A total of 88% of the subjects had a VO<inf>2max</inf> below American Heart Association age-adjusted normative values. Similarly, 20 of the 25 subjects had a VO<inf>2max</inf> in the lower 25% percentile of recent epidemiological data. Relative to nongrafted subjects, 80 to 88% of the evaluated skin-graft subjects had a very low aerobic capacity. On the basis of these findings, adult burn survivors are disproportionally unfit relative to the general U.S. population, and this puts them at an increased risk of all-cause mortality (Blair 1995).

Original languageEnglish (US)
Pages (from-to)513-519
Number of pages7
JournalJournal of Burn Care and Research
Volume36
Issue number4
DOIs
StatePublished - Jul 21 2015

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Survivors
Wounds and Injuries
Transplants
Ergometry
Skin
Mortality
Exercise Test
Population
Fatigue
Ventilation
Gases

ASJC Scopus subject areas

  • Emergency Medicine
  • Rehabilitation
  • Surgery

Cite this

Aerobic Fitness Is Disproportionately Low in Adult Burn Survivors Years after Injury. / Ganio, Matthew S.; Pearson, James; Schlader, Zachary J.; Brothers, Robert Matthew; Lucas, Rebekah A I; Rivas, Eric; Kowalske, Karen J.; Crandall, Craig G.

In: Journal of Burn Care and Research, Vol. 36, No. 4, 21.07.2015, p. 513-519.

Research output: Contribution to journalArticle

Ganio, Matthew S. ; Pearson, James ; Schlader, Zachary J. ; Brothers, Robert Matthew ; Lucas, Rebekah A I ; Rivas, Eric ; Kowalske, Karen J. ; Crandall, Craig G. / Aerobic Fitness Is Disproportionately Low in Adult Burn Survivors Years after Injury. In: Journal of Burn Care and Research. 2015 ; Vol. 36, No. 4. pp. 513-519.
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