Cited by 119Peripheral Artery Disease ManagementCardiovascular and exercise physiologyFrailty in Older Adults

Impairments of muscles and nerves associated with peripheral arterial disease and their relationship with lower extremity functioning: the InCHIANTI Study

Mcdermott, Mary McGrae, Guralnik, Jack M., Albay, Monique, Bandinelli, Stefania, Miniati, Benedetta, Ferrucci, Luigi·2004·Journal of the American Geriatrics Society

Abstract

Objectives: To define the relationships between lower extremity peripheral arterial disease (PAD), pathophysiological findings in lower extremity muscles and nerves, and lower extremity performance. Design: Cross‐sectional. Setting: Two communities in Italy. Participants: Nine‐hundred seventy‐nine community‐dwelling men and women aged 60 and older (109 with PAD). Measurements: Presence and degree of lower extremity arterial obstruction were determined using the ankle‐brachial index (ABI). Lower extremity muscle cross‐sectional area was measured using computed tomography. Peroneal nerve conduction velocity (NCV) and leg power were also determined. Measures of lower extremity functioning were fast walking speed over 4 meters, time required to walk 400 meters, and the summary performance score. Results: Participants with PAD had significantly poorer performance on functional outcomes than participants without PAD. Adjusting for age and sex, presence of PAD was associated with reduced leg muscle power (83.69 vs 103.51 watts, P <.001), reduced muscle cross‐sectional area (61.5 vs 63.5 cm 2 , P =.14), and reduced NCV (43.0 vs 44.2 m/s, P =.003). Adjustment for leg power diminished the independent association between ABI and the functional outcomes measures. Conclusion: In community‐dwelling individuals, PAD is associated with reduced NCV and reduced muscle power in the lower extremities. Muscle power may mediate the association between lower ABI levels and poorer functional performance.

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Crossref · 10.1111/j.1532-5415.2004.52113.x

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Authors
Mcdermott, M. M., Guralnik, J. M., Albay, M., Bandinelli, S., Miniati, B., & Ferrucci, L.
Affiliations
Northwestern University (US)
Corresponding author
Mcdermott, Mary McGrae
Venue
Journal of the American Geriatrics Society
Publisher
Wiley
Published
2004-02-12
Volume
52
Issue
3
Pages
405-410
ISSN
  • 0002-8614 (ISSN-L)
  • 1532-5415
OpenAlex
W1505278203
Cited by
119
References
28
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 2 · 2019: 6 · 2018: 4 · 2017: 5 · 2016: 5 · 2015: 6 · 2014: 9 · 2013: 7 · 2012: 13
FWCI
4.74
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Geriatrics Society (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Peripheral Artery Disease Management
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
Keywords
peripheral arterial disease, muscle cross-sectional area, ankle-brachial index, lower limb function, walking speed, older adults, community-dwelling older adults
MeSH terms
Adult, Aged, Aged, 80 and over, Arterial Occlusive Diseases, Cross-Sectional Studies, Female, Humans, Leg, Male, Middle Aged, Neural Conduction, Peripheral Nerves, Peripheral Vascular Diseases, Muscle, Skeletal

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