Sex differences in claudication pain in subjects with peripheral arterial disease

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Abstract

Purposes: To compare the claudication distances between men and women patients with peripheral arterial disease (PAD), and to determine whether sex differences in claudication pain persisted after controlling for potential confounders such as demographic, functional, and physiological measures. Methods: A total of 488 men and 72 women functionally limited by intermittent claudication were evaluated. Patients were characterized on PAD-specific measures consisting of ankle/brachial index (ABI) and treadmill claudication distances, physical function measures consisting of ambulatory function, monitored physical activity, balance, and strength, and demographic measures obtained during a medical history. Results: Initial claudication distance (ICD) was 33% shorter (P = 0.024) in women than in men (126 ± 22 vs 189 ± 13 m; mean ± SEM), and absolute claudication distance (ACD) was 23% shorter (P = 0.022) in women (313 ± 43 vs 407 ± 18 m). These differences were present despite similar (P = 0.440) ABI values between women (0.63 ± 0.02) and men (0.62 ± 0.01). Peak oxygen uptake (P = 0.043) and self-perceived stair climbing ability (P = 0.020) were different between men and women, and were independently related to ICD (multiple R = 0.57, P < 0.001) and to ACD (multiple R = 0.71, P < 0.001). The sex differences in ICD (P = 0.524) and ACD (P = 0.722) were no longer present after controlling for peak oxygen uptake and self-perceived stair climbing ability. Conclusion: Shorter treadmill claudication distances in women with PAD were explained by their lower cardiopulmonary fitness and poorer self-perceived ability to climb stairs than compared with men. Therefore, women with intermittent claudication represent a subgroup of PAD patients who should receive high priority for exercise rehabilitation to improve physical function.

Original languageEnglish (US)
Pages (from-to)1695-1698
Number of pages4
JournalMedicine and science in sports and exercise
Volume34
Issue number11
DOIs
StatePublished - Nov 1 2002

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Peripheral Arterial Disease
Sex Characteristics
Pain
Ankle Brachial Index
Intermittent Claudication
Aptitude
Demography
Oxygen
Exercise Therapy
Exercise

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

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title = "Sex differences in claudication pain in subjects with peripheral arterial disease",
abstract = "Purposes: To compare the claudication distances between men and women patients with peripheral arterial disease (PAD), and to determine whether sex differences in claudication pain persisted after controlling for potential confounders such as demographic, functional, and physiological measures. Methods: A total of 488 men and 72 women functionally limited by intermittent claudication were evaluated. Patients were characterized on PAD-specific measures consisting of ankle/brachial index (ABI) and treadmill claudication distances, physical function measures consisting of ambulatory function, monitored physical activity, balance, and strength, and demographic measures obtained during a medical history. Results: Initial claudication distance (ICD) was 33{\%} shorter (P = 0.024) in women than in men (126 ± 22 vs 189 ± 13 m; mean ± SEM), and absolute claudication distance (ACD) was 23{\%} shorter (P = 0.022) in women (313 ± 43 vs 407 ± 18 m). These differences were present despite similar (P = 0.440) ABI values between women (0.63 ± 0.02) and men (0.62 ± 0.01). Peak oxygen uptake (P = 0.043) and self-perceived stair climbing ability (P = 0.020) were different between men and women, and were independently related to ICD (multiple R = 0.57, P < 0.001) and to ACD (multiple R = 0.71, P < 0.001). The sex differences in ICD (P = 0.524) and ACD (P = 0.722) were no longer present after controlling for peak oxygen uptake and self-perceived stair climbing ability. Conclusion: Shorter treadmill claudication distances in women with PAD were explained by their lower cardiopulmonary fitness and poorer self-perceived ability to climb stairs than compared with men. Therefore, women with intermittent claudication represent a subgroup of PAD patients who should receive high priority for exercise rehabilitation to improve physical function.",
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Sex differences in claudication pain in subjects with peripheral arterial disease. / Gardner, Andrew W.

In: Medicine and science in sports and exercise, Vol. 34, No. 11, 01.11.2002, p. 1695-1698.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Sex differences in claudication pain in subjects with peripheral arterial disease

AU - Gardner, Andrew W.

PY - 2002/11/1

Y1 - 2002/11/1

N2 - Purposes: To compare the claudication distances between men and women patients with peripheral arterial disease (PAD), and to determine whether sex differences in claudication pain persisted after controlling for potential confounders such as demographic, functional, and physiological measures. Methods: A total of 488 men and 72 women functionally limited by intermittent claudication were evaluated. Patients were characterized on PAD-specific measures consisting of ankle/brachial index (ABI) and treadmill claudication distances, physical function measures consisting of ambulatory function, monitored physical activity, balance, and strength, and demographic measures obtained during a medical history. Results: Initial claudication distance (ICD) was 33% shorter (P = 0.024) in women than in men (126 ± 22 vs 189 ± 13 m; mean ± SEM), and absolute claudication distance (ACD) was 23% shorter (P = 0.022) in women (313 ± 43 vs 407 ± 18 m). These differences were present despite similar (P = 0.440) ABI values between women (0.63 ± 0.02) and men (0.62 ± 0.01). Peak oxygen uptake (P = 0.043) and self-perceived stair climbing ability (P = 0.020) were different between men and women, and were independently related to ICD (multiple R = 0.57, P < 0.001) and to ACD (multiple R = 0.71, P < 0.001). The sex differences in ICD (P = 0.524) and ACD (P = 0.722) were no longer present after controlling for peak oxygen uptake and self-perceived stair climbing ability. Conclusion: Shorter treadmill claudication distances in women with PAD were explained by their lower cardiopulmonary fitness and poorer self-perceived ability to climb stairs than compared with men. Therefore, women with intermittent claudication represent a subgroup of PAD patients who should receive high priority for exercise rehabilitation to improve physical function.

AB - Purposes: To compare the claudication distances between men and women patients with peripheral arterial disease (PAD), and to determine whether sex differences in claudication pain persisted after controlling for potential confounders such as demographic, functional, and physiological measures. Methods: A total of 488 men and 72 women functionally limited by intermittent claudication were evaluated. Patients were characterized on PAD-specific measures consisting of ankle/brachial index (ABI) and treadmill claudication distances, physical function measures consisting of ambulatory function, monitored physical activity, balance, and strength, and demographic measures obtained during a medical history. Results: Initial claudication distance (ICD) was 33% shorter (P = 0.024) in women than in men (126 ± 22 vs 189 ± 13 m; mean ± SEM), and absolute claudication distance (ACD) was 23% shorter (P = 0.022) in women (313 ± 43 vs 407 ± 18 m). These differences were present despite similar (P = 0.440) ABI values between women (0.63 ± 0.02) and men (0.62 ± 0.01). Peak oxygen uptake (P = 0.043) and self-perceived stair climbing ability (P = 0.020) were different between men and women, and were independently related to ICD (multiple R = 0.57, P < 0.001) and to ACD (multiple R = 0.71, P < 0.001). The sex differences in ICD (P = 0.524) and ACD (P = 0.722) were no longer present after controlling for peak oxygen uptake and self-perceived stair climbing ability. Conclusion: Shorter treadmill claudication distances in women with PAD were explained by their lower cardiopulmonary fitness and poorer self-perceived ability to climb stairs than compared with men. Therefore, women with intermittent claudication represent a subgroup of PAD patients who should receive high priority for exercise rehabilitation to improve physical function.

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