Prevalence of abdominal aortic aneurysms: a screening program in São Paulo, Brazil

Puech-Leão, Pedro; Molnar, Laszlo J.; Oliveira, Ilka Regina de; Cerri, Giovanni Guido

doi:10.1590/s1516-31802004000400005

Cited by 35 publications

(32 citation statements)

References 11 publications

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“…[1][2][3] The rupture of the aneurism is the most dramatic event, being associated with 50 to 75% mortality rates, significant morbidity and high costs for the individual, the family and society. AAA causes 15,000 deaths per year in the United States, and its incidence does not decrease over time.…”

Section: Introductionmentioning

confidence: 99%

Morphological aspects of mural thrombi deposition residual lumen route in infrarenal abdominal aorta aneurisms

et al. 2008

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Purpose: To assess the most frequent deposition site of mural thrombi in infrarenal abdominal aorta aneurisms, as well as the route of the residual lumen. Methods: Assessment of CT scan images from 100 patients presenting asymptomatic abdominal aorta aneurism, and followed at HC-FMRP-USP. Results: In 53% of the cases the mural thrombus was deposited on the anterior wall; from these, in 22%, the residual lumen described a predominantly right sided route; in 22%, a left sided route; on the mid line in 5%; and crossing over the mid line in 1%. In 23%, the deposition of thrombi was concentric. In 11% it occured on the posterior wall; from these, in 5%, the route of the residual anterior lumen was predominantly right sided; in 5%, left sided; and crossed over the mid line in 1%. In 13% complex morfological deposition patterns were found. Conclusion: Mural thrombi formation was predominantly found on the anterior wall of the aneurismatic mass, with the route of the residual lumen projecting towards the posterior wall. Key-words:Abdominal Aorta Aneurisms. Thrombi and CT Scan. RESUMOObjetivos: Avaliar o local mais freqüente de deposição do trombo mural em aneurismas de aorta abdominal infrarenal, bem como o trajeto da luz residual. Métodos: Avaliação de tomografias de 100 pacientes do HC-FMRP-USP apresentando aneurisma de aorta abdominal assintomático. Resultados: O trombo mural se deposita na parede anterior em 53% dos casos, sendo que a luz residual posterior descreveu um trajeto predominantemente à direita em 22% dos casos, à esquerda em 22%, na linha mediana em 5% e cruzando da direita para a esquerda em 4%. 23% dos casos apresentaram deposição concêntrica do trombo e 11% apresentaram deposição na parede posterior, sendo o trajeto da luz residual anterior predominante a direita em 5% dos casos, a esquerda em 5% e cruzando a linha mediana em 1%. Padrões morfológicos complexos de deposição do trombo foram encontrados em 13% dos casos. Conclusão: A formação do trombo mural predominou na parede anterior da massa aneurismática, com o trajeto da luz residual se projetando para a parede posterior.Descritores: Aneurisma de Aorta Abdominal. Trombo e Tomografia Computadorizada por Raios X. Guimarães TAS et al 152

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Section: Introductionmentioning

confidence: 99%

Morphological aspects of mural thrombi deposition residual lumen route in infrarenal abdominal aorta aneurisms

et al. 2008

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“…Apesar disso, ressalta-se que o número de óbitos no sexo masculino ainda é maior devido a maior prevalência da AAA nesse sexo 19 …”

Section: Materiais E Métodosunclassified

Óbitos Decorrentes de Ruptura de Aneurisma de Aorta Abdominal no Instituto Médico Legal de Belo Horizonte, 2006–2011

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Gontijo²,

Rangel³

et al. 2016

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“…[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] According to the literature, they are most common in the aorta, followed by the iliac arteries and then the splenic artery. 7 They have multifactorial etiology (hereditary, traumatic, infectious, and/or inflammatory), but around 80% of aneurysms are associated with atherosclerotic degeneration of the artery wall.…”

Section: Introductionmentioning

confidence: 99%

Achados incidentais de aneurismas torácicos e abdominais

et al. 2016

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Background: Abdominal aortic aneurysms (AAAs) are the most common. The annual incidence of AAA rupture is eight cases per 100,000 inhabitants. Incidental detection can benefit patients if diameter is monitored and the correct treatment provided. Objectives: To estimate the prevalence of incidental diagnosis of thoracic aortic aneurysm (TAA) and AAA by computed tomography (CT); to determine prevalence by age and sex of patients and determine which arteries are involved and the morphological characteristics of the aneurysms; to determine the indications for CT most associated with incidental diagnosis of aneurysms. Methods: This was a descriptive, retrospective and randomized study. Inclusion criteria: patients over 50 years of age examined with CT of the thorax, abdomen or pelvis. Exclusion criteria: follow-up or diagnostic suspicion of aneurysms. Data collection instruments containing questions covering demographic and anatomic data were used. Results: A sample of 1,202 radiology reports was reviewed. A total of 27 aneurysms were detected (prevalence of 2.2%). Patients: 60% were male and 40% were female (p < 0.05). Sites: there were 13 cases (48.2%) in the ascending aorta (TAA); 7 (25.9%) in the infrarenal aorta (AAA); 2 (7.4%) at the thoracoabdominal transition of the aorta (TTA); 2 (7.4%) in the common iliac artery ; 1 (3.7%) in the internal iliac artery; 1 (3.7%) in the splenic artery; and 1 (3.7%) in the renal artery. Conclusions: The majority of patients were male (60%); TAA was the most common type (mean diameter: 4.1 cm), followed by AAA (mean diameter: 4.0 cm) and ATA (mean diameter: 3.9 cm). The most common indication for the CT examination that led to incidental diagnosis of an aneurysm was respiratory symptoms.

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Prevalence of abdominal aortic aneurysms: a screening program in São Paulo, Brazil

Abstract: In Sao Paulo, Brazil, 1.8 to 3 % of persons aged 50 years or more are expected to have abdominal aortic aneurysms. In the subgroup of men aged 60 or more, the expected prevalence is between 4.3 and 8%.

Cited by 35 publications

References 11 publications

Morphological aspects of mural thrombi deposition residual lumen route in infrarenal abdominal aorta aneurisms

Morphological aspects of mural thrombi deposition residual lumen route in infrarenal abdominal aorta aneurisms

Óbitos Decorrentes de Ruptura de Aneurisma de Aorta Abdominal no Instituto Médico Legal de Belo Horizonte, 2006–2011

Achados incidentais de aneurismas torácicos e abdominais

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