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1.
Clinics ; 72(7): 411-414, July 2017. tab
Artigo em Inglês | LILACS | ID: biblio-890712

RESUMO

OBJECTIVE: The purpose of this study was to evaluate the association between the presence of clinical symptoms of peripheral artery disease and severe renal artery stenosis in patients referred for renal angiography. METHOD: We included 82 patients with clinical suspicion of renovascular hypertension and performed an imaging investigation (renal Doppler ultrasound and/or renal scintigraphy) for possible renal artery stenosis. All patients underwent renal arteriography and were examined for peripheral artery disease based on the presence of intermittent claudication and ankle-brachial index test results. Severe renal artery stenosis was defined as a lesion causing 70% obstruction. RESULTS: Severe renal artery stenosis was present in 32 of 82 (39%) patients. Patients with severe renal artery stenosis were older (63±12 vs 56±12 years, p=0.006), had more intermittent claudication (55 vs 45%, p=0.027), and had a greater prevalence of an ankle-brachial index <0.9 (44% vs 20%, p=0.021) than patients without severe renal artery stenosis. Multivariate logistic regression analysis showed that the presence of intermittent claudication was independently associated with renal artery stenosis ≥70% (OR: 3.33; 95% CI 1.03-10.82, p=0.04), unlike the ankle-brachial index, which showed no association (OR: 1.44; 95% CI 0.37-5.66, p=0.60). CONCLUSION: Intermittent claudication is independently associated with severe renal artery stenosis (≥70%) in patients clinically suspected of having renovascular hypertension.


Assuntos
Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Hipertensão Renovascular/complicações , Claudicação Intermitente/complicações , Obstrução da Artéria Renal/complicações , Artéria Renal/diagnóstico por imagem , Angiografia , Hipertensão Renovascular/diagnóstico por imagem , Claudicação Intermitente/diagnóstico por imagem , Cintilografia , Obstrução da Artéria Renal/diagnóstico por imagem , Índice de Gravidade de Doença , Ultrassonografia Doppler
2.
Korean Journal of Radiology ; : 696-722, 2015.
Artigo em Inglês | WPRIM | ID: wpr-189927

RESUMO

Peripheral arterial occlusive disease caused by atherosclerosis can present with intermittent claudication or critical limb ischemia. Proper diagnosis and management is warranted to improve symptoms and salvage limbs. With the introduction of new techniques and dedicated materials, endovascular recanalization is widely performed for the treatment of peripheral arterial occlusive disease because it is less invasive than surgery. However, there are various opinions regarding the appropriate indications and procedure methods for interventional recanalization according to operator and institution in Korea. Therefore, we intend to provide evidence based guidelines for interventional recanalization by multidisciplinary consensus. These guidelines are the result of a close collaboration between physicians from many different areas of expertise including interventional radiology, interventional cardiology, and vascular surgery. The goal of these guidelines is to ensure better treatment, to serve as a guide to the clinician, and consequently, to contribute to public health care.


Assuntos
Humanos , Arteriopatias Oclusivas/diagnóstico por imagem , Artérias/patologia , Procedimentos Endovasculares/normas , Claudicação Intermitente/diagnóstico por imagem , Salvamento de Membro/métodos , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/diagnóstico por imagem , Guias de Prática Clínica como Assunto , República da Coreia
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