Abstract
Objective: Review the evidence of mortality and adverse effects of screening for abdominal aortic aneurysm (AAA) in asymptomatic adults. Data Sources: National Guideline Clearinghouse, Guidelines Finder, Canadian Medical Association Practice Guidelines, Cochrane, DARE, Bandolier, MEDLINE and Index of Portuguese Medical Journals. Methods: We conducted a search for meta-analyses (MA), systematic reviews (SR), randomized clinical trials (RCT) and clinical practice guidelines (CPG), published between 01/01/2003 and 03/23/2013 in the Portuguese, Spanish, English and French languages, using the MeSH terms abdominal aortic aneurysm and mass screening. We used the Oxford Centre for Evidence-Based Medicine (CEBM) scale for assessment of levels of evidence (LE). Results: Of 337 articles obtained, 10 met the inclusion criteria (2 MA, 1 SR and 7 CPG). The SR and the MA selected showed that screening for AAA significantly decreased mortality in men aged between 65-75 years old, but not in women. A reduction in all-cause mortality was observed in one MA, which estimated a number needed to screen of 156. This is lower than the number needed to screen in current cancer screening programs. Screening doubled the number of elective surgeries and decreased the number of emergency surgeries for ruptured AAA by half. Conclusions: Consistent, good quality evidence demonstrated a reduction in mortality from AAA by screening asymptomatic men aged = 65 years (LE1). The treatment of AAA is associated with significant risk of death and surgical complications, which may be acceptable in individuals at high risk. Objetivo: Rever a evid{ê}ncia sobre a mortalidade e os efeitos laterais do rastreio do aneurisma da aorta abdominal (AAA) em adultos assintom{á}ticos. Fontes de Dados: National Guideline Clearinghouse, Guidelines Finder, Canadian Medical Association Practice Guidelines, Cochrane, DARE, Bandolier, MEDLINE e {Í}ndex de Revistas M{é}dicas Portuguesas. M{é}todos: Realizou-se uma pesquisa de meta-an{á}lises (MA), revis{õ}es sistem{á}ticas (RS), ensaios cl{í}nicos aleatorizados e controlados (ECAC) e normas de orienta{ç}{ã}o cl{í}nica (NOC), publicados entre 01/01/2003 e 23/03/2013, nas l{í}nguas portuguesa, espanhola, inglesa e francesa, utilizando os termos MeSH: abdominal aortic aneurysm e mass screening. Adotou-se a escala Oxford Centre for Evidence-Based Medicine (CEBM) para avalia{ç}{ã}o da qualidade dos estudos e atribui{ç}{ã}o dos n{í}veis de evid{ê}ncia (NE). Resultados: Foram obtidos 337 artigos, tendo sido inclu{í}das 2 MA, 1 RS e 7 NOC. A RS e as MA selecionadas demonstraram que o rastreio diminu{í}a significativamente a mortalidade por AAA nos homens com idades entre os 65-75 anos, mas n{ã}o nas mulheres. A diminui{ç}{ã}o da mortalidade por todas as causas foi observada numa MA, tendo sido estimado um n{ú}mero necess{á}rio para rastrear de 156, inferior a programas de rastreios oncol{ó}gicos atualmente institu{í}dos. O rastreio duplicou o n{ú}mero de cirurgias eletivas e diminuiu para cerca de metade o n{ú}mero de cirurgias de emerg{ê}ncia por rotura de AAA. Conclus{õ}es: A evid{ê}ncia encontrada foi consistente e de boa qualidade, demonstrando a redu{ç}{ã}o da mortalidade por AAA atrav{é}s do rastreio do AAA em homens assintom{á}ticos com idades = 65 anos (NE1). O tratamento do AAA est{á} associado a riscos significativos de morte operat{ó}ria e complica{ç}{õ}es que poder{ã}o ser aceit{á}veis nos indiv{í}duos de alto risco.
Cite
CITATION STYLE
Cardoso, V. P., & Mendes, P. (2014). Rastreio do aneurisma da aorta abdominal – revisão baseada na evidência. Revista Portuguesa de Clínica Geral, 30(5), 306–314. https://doi.org/10.32385/rpmgf.v30i5.11387
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