Key result
The overall prevalence of Left Atrial Septal Pouch (LASP) in patients undergoing cardiac-gated CT was 24.7%.
Observational (n=275)
No
The overall prevalence of Left Atrial Septal Pouch in patients undergoing cardiac CT was found to be 24.7%.
Provides prevalence benchmark for LASP on gated CT; leaves open clinical relevance and requires prospective validation.
Purpose: To determine the prevalence of Left Atrial Septal Pouch (LASP) and assess the association with Patent Foramen Ovale (PFO). Materials and Methods: We retrospectively reviewed 275 cardiac-gated CT examinations at Indiana University from January 2010 to June 2012, 160 cardiac CTs performed prior to pulmonary vein ablation, 115 for evaluation of coronary artery evaluation. Consensus readings were performed by two readers on a PACS workstation using the Multiplanar Reformat software to identify the presence or absence of LASP and PFO. PFO was diagnosed by the presence of a contrast jet extending from the left atrium to the right atrium. Results: Overall prevalence of LASP was 24.7% (68 LASPs out of 275 patients). There was no
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Terpenning et al. (2015) conducted an observational in Patients undergoing cardiac-gated CT (n=275). Left Atrial Septal Pouch (LASP) was evaluated on Prevalence of Left Atrial Septal Pouch (LASP). The overall prevalence of Left Atrial Septal Pouch (LASP) in patients undergoing cardiac-gated CT was 24.7%.
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