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  • Title: Prevalence of symptomatic peripheral arterial disease, modifiable risk factors, and appropriate use of drugs in the treatment of peripheral arterial disease in older persons seen in a university general medicine clinic.
    Author: Ness J, Aronow WS, Newkirk E, McDanel D.
    Journal: J Gerontol A Biol Sci Med Sci; 2005 Feb; 60(2):255-7. PubMed ID: 15814871.
    Abstract:
    BACKGROUND: Persons with peripheral arterial disease (PAD) have a high incidence of cardiovascular morbidity and mortality. METHODS: We investigated the prevalence of symptomatic PAD, modifiable risk factors, and use of drugs in persons 60 years and older seen in a university general medicine clinic. Symptomatic PAD was documented if the person had a documented history of surgery for PAD, if the person had intermittent claudication or other lower extremity symptoms associated with absent or weak arterial pulses or an ankle-brachial index of <0.90, if the person had an abdominal aortic aneurysm, or if the person had symptomatic documented extracranial carotid arterial disease. RESULTS: There were 620 women and 386 men, mean age 72+/-9 years (range 60-95 years), and 95% were white. Symptomatic PAD was present in 103 of 386 men (27%) and in 106 of 620 women (17%) (p<.001). The prevalence of current cigarette smoking (31% versus 12% in those without PAD, p<.001) and ex-cigarette smoking (40% versus 26%) in those without PAD, p<.001) was higher among persons with PAD. Compared with persons without PAD, those with PAD also had a higher prevalence of hypertension (90% versus 76% in persons without PAD, p<.001), diabetes mellitus (45% versus 22%, p<.001), dyslipidemia (88% versus 60%, p<.001), coronary artery disease (63% versus 25%, p<.001), and stroke (36% versus 11%, p<.001). In persons with PAD, antiplatelet drugs were used in 85%, lipid-lowering drugs for dyslipidemia in 67%, beta blockers in 60%, and angiotensin-converting enzyme (ACE) inhibitors or angiotensin-receptor blockers in 62%. The average of the last two blood pressures was <140/90 mmHg in 55% of persons with PAD treated for hypertension. The last hemoglobin A1c in diabetics was <7% in 52% of persons with PAD. CONCLUSIONS: Older persons with PAD have a high prevalence of modifiable risk factors, CAD, and stroke. The use of antiplatelet drugs, lipid-lowering drugs for dyslipidemia, beta blockers, and ACE inhibitors or angiotensin-receptor blockers, reduction of blood pressure to <140/90 mmHg in hypertensive persons, and reduction of hemoglobin A1c in diabetics to <7% in older persons with PAD needs to be increased in all clinical settings.
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