Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/S1677-54492010000200005
Jornal Vascular Brasileiro
Artigo Original

Pattern of femoro-popliteal aneurysms in an African population

Padrão de aneurismas femoro-poplíteos em uma população africana

Julius A Ogeng'o; Beda O Olabu

http://dx.doi.org/10.1590/S1677-54492010000200005 J Vasc Bras, vol.9, n2, p.36-39, 2010
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Abstract

Objective: To describe the pattern of femoro-popliteal aneurysms in an African Kenyan population. Patients and methods: Records of African in-patients with diagnosis of femoral or popliteal aneurysms admitted at the Kenyatta National Hospital, Nairobi, Kenya, from January 1998 to December 2007 were examined for presentation, diagnosis, risk/comorbid factors, site, age, and gender distribution. Data were analyzed using SPSS 13.0 and presented using tables. Results: Femoro-popliteal aneurysms constitute 33 out of 96 of peripheral cases (34.4%). The most common presentations were pulsatile mass (48.5%) and pain and swelling (33.3%). Pain alone and bleeding occurred in 9.1% each. Diagnosis was performed through Doppler ultrasound (45.5%), angiography (30.3%) and ultrasonography (24.3%). Aneurysms were associated with trauma (51.5%), atherosclerosis (21.2%), smoking (9.1%) and hypertension (6.1%). Site distribution was common femoral (33.3%), superficial femoral (36.4%) and popliteal (30.3%). Mean age was 46 years (range 13-79 years); with 20 (60.6%) of them occurring in individuals aged 50 years and younger. Male:female ratio was 15:1. Conclusion: In the present study, femoro-popliteal aneurysms constituted less than 40% of peripheral aneurysms, and superficial femoral artery was the most common site. They occurred predominantly in males aged 50 years and younger and were associated mainly with trauma and atherosclerosis. Prevalence, site and age distribution of these aneurysms in the Kenyan population differs from that described in studies of Caucasian populations.

Keywords

Aneurysm, femoral artery, popliteal artery

Resumo

Objetivo: Descrever o padrão de aneurismas femoro-poplíteos em uma população africana do Quênia. Pacientes e Métodos: Prontuários de pacientes africanos internados com o diagnóstico de aneurisma femoro-poplíteo no Hospital Kenyatta, Nairóbi, Quênia, de janeiro de 1998 a dezembro de 2007 foram examinados quanto a apresentação, diagnóstico, fatores de risco/comorbidades, local, idade e gênero. Os dados foram analisados usando o Program SPSS 11.50 e apresentados em tabelas. Resultados: Aneurismas femoro-poplíteos constituem 33 dos 96 casos de aneurisma periférico (34,4%). As apresentações mais comuns foram massa pulsátil (48,5%) e dor e inchaço (33,3%). Dor isolada e sangramento ocorreram em 9,1% cada. O diagnóstico foi feito por ultrassonografia Doppler (45,5%), angiografia (30,3%) e ultrassonografia simples (24,5%). Aneurismas foram associados a trauma (51,5%), aterosclerose (21,2%), tabagismo (9,1%) e hipertensão arterial (6,1%). A distribuição por locais foi femoral comum (33,3%), femoral superficial (36,4%) e poplítea (30,3%). A média de idade foi de 46 anos (variando de 13 a 79 anos), com 20 casos (60,6%) ocorrendo em indivíduos com 50 anos de idade ou menos. A relação masculino:feminino foi de 15:1. Conclusão: No presente estudo, aneurismas femoro-poplíteos constituíram menos de 40% dos aneurismas periféricos, e a artéria femoral superficial foi o local mais comum. Eles ocorreram predominantemente em homens com idade igual ou menor que 50 anos e foram associados principalmente a trauma e aterosclerose. A prevalência, local e distribuição destes aneurismas diferem das descritas nas populações brancas.

Palavras-chave

Aneurisma, artéria femoral, artéria poplítea

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