Key result
AAA volume measurement was favored over diameter measurement in 17 manuscripts for AAA surveillance, especially in follow-up after EVAR, though clinical relevance remains unclear.
Why the study?
AAA volume measurement has been proposed as a surveillance method when diameter measurement might fail, but comparison of both approaches required systematic analysis.
Does AAA volume measurement provide better diagnostic and prognostic value compared to diameter measurement in patients with AAA?
Systematic Review
Does AAA volume measurement provide better diagnostic and prognostic value compared to diameter measurement in patients with AAA?
AAA volume measurement shows promising results compared to diameter measurement, especially in follow-up after EVAR, though clinical relevance remains unclear due to methodological heterogeneity.
Volume may aid AAA surveillance when diameter falters; leaves open standardized protocols and prospective validation before practice change.
Recently, AAA volume measurement has been proposed as a potentially valuable surveillance method in situations when diameter measurement might fail. OBJECTIVE: The aim of this systematic review was to analyze the results of previous studies comparing AAA diameter and volume measurements. METHODS: A systematic search in PubMed, Cochrane, and EMBASE databases was performed to identify studies investigating the use of diameter and volume measurements in AAA diagnosis and prognosis in English, German, and Russian, published until December 2022. The manuscripts were reviewed by three researchers and scored on the quality of the research using MINORS criteria. RESULTS: = 17) of the manuscripts appeared to favor volume. It is, however, important to highlight the heterogeneity of methodologies and lack of standardized protocol for measuring both volume and diameter in the included studies, which hindered the interpretation of the results. CONCLUSIONS: The clinical relevance of abdominal aortic aneurysm volume measurement is still unclear, although studies show favorable and promising results for volumetric changes in AAA, especially in follow-up after EVAR.
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Vaitėnas et al. (2023) conducted a systematic review in Abdominal Aortic Aneurysm. AAA volume measurement vs. AAA diameter measurement was evaluated on AAA diagnosis and prognosis. AAA volume measurement was favored over diameter measurement in 17 manuscripts for AAA surveillance, especially in follow-up after EVAR, though clinical relevance remains unclear.
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