title: Comparison of two foreign body retrieval devices with adjustable loops in a swine model.
abstract: The purpose of the study was to compare two similar foreign body retrieval devices, the Texan (TX) and the Texan LONGhorn (TX-LG), in a swine model. Both devices feature a < or = 30-mm adjustable loop. Capture times and total procedure times for retrieving foreign bodies from the infrarenal aorta, inferior vena cava, and stomach were compared. All attempts with both devices (TX, n = 15; TX-LG, n = 14) were successful. Foreign bodies in the vasculature were captured quickly using both devices (mean +/- SD, 88 +/- 106 sec for TX vs 67 +/- 42 sec for TX-LG) with no significant difference between them. The TX-LG, however, allowed significantly better capture times than the TX in the stomach (p = 0.022), Overall, capture times for the TX-LG were significantly better than for the TX (p = 0.029). There was no significant difference between the total procedure times in any anatomic region. TX-LG performed significantly better than the TX in the stomach and therefore overall. The better torque control and maneuverability of TX-LG resulted in better performance in large anatomic spaces.
authors.affiliation: Section of Interventional Radiology, Division of Diagnostic Imaging, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA. akonya@mdanderson.org
authors.forename: András
authors.initials: A
authors.lastname: Kónya
mesh_terms: D000818:Animals; D001012:Aorta, Abdominal / Q000601:surgery; D001807:Blood Vessel Prosthesis; D002408:Catheters, Indwelling; D020878:Device Removal / Q000295:instrumentation*; D004867:Equipment Design; D023421:Models, Animal; D013270:Stomach / Q000601:surgery; D013552:Swine; D013997:Time Factors; D014656:Vascular Surgical Procedures / Q000295:instrumentation*; D014682:Vena Cava, Inferior / Q000601:surgery