OBJECTIVE: To evaluate the efficacy of infra-inguinal, primary angioplasty as a method of limb salvage in patients with trophic lesions secondary to critical ischemia. MATERIALS AND METHODS: Thirty-six patients submitted to primary percutaneous transluminal angioplasty without stenting were evaluated. All of them presented critical limb ischemia with trophic lesion (Rutherford grade III, category 5). Eighty-four angioplasties were performed for 17 lesions in superficial femoral artery, 16 lesions in popliteal artery, and 51 lesions in below-knee arteries. Additionally, prevalence in relation to sex, age, limb involved and main comorbidities have been discussed, with technical considerations regarding procedures and materials utilized. RESULTS: Clinical success has been defined as complete healing of the trophic lesion or amputation level limited to toes or forefoot, not requiring bypass surgery, independently from time, drugs utilized and number of debridement procedures performed. CONCLUSION: Femoropopliteal and below-knee angioplasties present high technical success, low mortality and low complications rates and are highly effective in the treatment of patients with critical lower limb ischemia. Keywords: Balloon angioplasty; Percutaneous transluminal angioplasty; Popliteal artery; Leg arteries; Limb salvage; Lower extremity.OBJETIVO: Analisar a eficiência da angioplastia primária infra-inguinal como método de salvamento de membros em pacientes portadores de lesões tróficas por isquemia crítica. MATERIAIS E MÉTODOS: Foram analisados 36 pacientes submetidos a angioplastias primárias sem stent. Todos os pacientes apresentavam isquemia crítica com lesão trófica -grau III, categoria 5 de Rutherford -, sendo 17 lesões na artéria femoral superficial, 16 na artéria poplítea e 51 em artérias da perna, totalizando 84 angioplastias. Foram analisadas também as prevalências em relação a sexo, membro afetado, idade e principais comorbidades, sendo tecidas considerações técnicas sobre os procedimentos, assim como os materiais utilizados. RESULTADOS: Considerou-se sucesso quando a lesão trófica que motivou a angioplastia cicatrizou, ou o nível de amputação limitou-se a artelhos ou ao antepé, sem ter havido necessidade de procedimento cirúrgico de reconstituição do fluxo sanguíneo (bypass), independentemente de tempo, drogas associadas e números de desbridamentos realizados. CONCLUSÃO: As angioplastias no segmento femoropoplíteo e infrapoplíteo são procedimentos de elevado sucesso técnico, baixa morbidade e mortalidade, constituindo-se procedimento eficaz em pacientes com isquemia crítica de membro inferior. Unitermos: Angioplastia com balão; Angioplastia transluminal percutânea; Artéria poplítea; Artérias da perna; Salvamento de membro; Extremidade inferior. AbstractResumo
We present a case of a patient with Crawford type IV aortic thoracoabdominal aneurysm. The patient underwent hybrid repair in two stages. Initially a Dacron graft was implanted surgically with revascularization of all visceral branches from the left external iliac artery (debranching). On a later date, the second stage of treatment was with an endovascular technique with bi aorto-iliac endoprosthesis. After 2 years the patient remains asymptomatic and in full working activity.Keywords: aortic aneurysm; surgery; aorta; aneurysm. ResumoApresentamos o caso de um paciente com aneurisma aórtico tóraco-abdominal tipo IV de Crawford submetido à correção híbrida em dois estágios. Inicialmente submetido a implante cirúrgico de prótese de Dacron com revascularização de todos os ramos viscerais a partir da ilíaca externa esquerda (debranching) e, posteriormente, tratado pela técnica endovascular com endoprótese aorto bi-ilíaca. Após dois anos, o paciente permanece assintomático e em plena atividade laborativa.
The authors report the case of mixed approach for endovascular treatment of occlusive disease of the anterior tibial artery by retrograde pedal artery access where the traditional antegrade approach failed to overcome a segmental occlusion. The technique seems to offer an option for endovascular procedures aimed at treating occlusion of the anterior tibial artery in cases where the conventional antegrade approach demonstrates to be inappropriate. Keywords: Angioplasty; Arterial occlusive disease; Percutaneous transluminal angioplasty; Tibial arteries; Endovascular procedures.Os autores relatam um caso de abordagem mista para o tratamento endovascular de doença oclusiva da artéria tibial anterior por acesso pedioso retrógrado, no qual a abordagem tradicional anterógrada foi inadequada em vencer uma oclusão. A técnica parece oferecer uma opção para procedimentos endovasculares, que objetivam o tratamento de lesões da artéria tibial anterior em que a via anterógrada convencional mostre-se inadequada. Unitermos: Angioplastia; Arteriopatias oclusivas; Angioplastia transluminal percutânea; Artérias tibiais; Procedimentos endovasculares. Abstract 0100-3984 © Colégio Brasileiro de Radiologia e Diagnóstico por Imagem CASE REPORTTreatment with acetylsalicylic acid 100 mg/day + clopidogrel 75 mg/day was initiated and anterior tibial artery recanalization by means of homolateral antegrade vessels, in most cases, allows the reestablishment of the distal blood flow to the foot by means of angioplasty of at least one of such vessels (1,3) . However, a recent study has reported the failure in approximately 20% of most complex cases where the antegrade approach was utilized for revascularization (4) . Thus, in the setting of failure by the antegrade approach in overcoming the lesion, angioplasty by retrograde approach can be utilized (5) . CASE REPORTA female, 79 year-old diabetic patient with hypertension and coronary artery disease. The patient presented with ischemic ulcers in her left leg, with slow course in spite of the instituted clinical treatment. The patient had normal popliteal and femoral pulses and absence of pulses in the left foot. The ankle-brachial index (ABI) at the dorsalis pedis artery was 0.58.Angiography demonstrated segmental occlusion in the proximal third of the anterior tibial artery and occlusion of the fibular and posterior tibial arteries (Figure 1).
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