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Κυριακή 12 Νοεμβρίου 2017

Sarcopenia in Peripheral Arterial Disease: Prevalence and Impact on Functional Status

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Publication date: Available online 11 November 2017
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Odessa Addison, Steven J. Prior, Rishi Kundi, Monica C. Serra, Leslie I. Katzel, Andrew W. Gardner, Alice S. Ryan
ObjectivesTo determine the prevalence of sarcopenia in older men with peripheral arterial disease (PAD) and to compare to a subset of the group to age, race, sex, and body mass index (BMI)-matched non-PAD control counterparts. We also sought to compare the functional status of those with PAD with and without sarcopenia.DesignCohort study.SettingA Veterans Affairs medical center.ParticipantsSedentary, community dwelling men age 50+ years with a confirmed diagnosis of PAD (N=108; 44% black; BMI 27.8 ± 0.4 kg/m2; ABI:0.62 ± 0.01; mean ±SEM).InterventionsNot applicable.Main OutcomesDual-energy x-ray absorptiometry scans were used to assess appendicular lean mass (ALM) and determine the prevalence of sarcopenia by ALM/height2 (ALM/ht2). Treadmill tests were used to determine claudication onset time (COT), peak walking time (PWT), and claudication recovery time (CRT). Six-minute walk distance (6MWD) was also measured.ResultsSarcopenia prevalence in our PAD cohort was 25%. The PAD subset (N=42) matched with control counterparts for race, sex, age, and BMI had higher prevalence rates compared with their non-PAD counter parts (23.8% vs 2.4%, P<0.05). Individuals with sarcopenia (N=28) had lower 6MWD (p<0.05; 326± 18.8 vs 380 ± 9.7 meters) and higher CRT (p<0.05; 592 ± 98 vs 395 ± 29 seconds) compared to individuals with PAD but without sarcopenia (N=80). There was no difference in COT or PWT between the PAD groups.ConclusionsMen with PAD demonstrate a high prevalence of sarcopenia. Those with sarcopenia and PAD demonstrate decreased mobility function.



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