title: An interactive teaching device simulating intussusception reduction.
abstract: Intussusception is relatively uncommon, occurring in 0.5 to 2.3 cases per 1,000 live births in the USA. Radiology residents, therefore, have few opportunities to participate in intussusception reduction during training, and practicing radiologists encounter it infrequently. Training is essential, as successful reduction avoids surgery. The judgment involved in reducing an intussusception is best gained with experience. We developed a training device that simulates fluoroscopic intussusception reduction with air. The device consists of a doll that contains a cylinder with similar stress and strain characteristics to the human colon. The trainee pumps air into the cylinder through a rectal tube using a standard hand-held air reduction pump. A sensor measures the pressure within the chamber and transmits readings to a computer, which displays images from actual intussusception reductions based on the pressure maintained within the device. A random component in the software gives the user a new experience each time and models uncertainties in the actual reduction process, including perforation. This intussusception reduction simulator can enhance resident education, giving residents the opportunity to practice this technique before employing it on a real patient. The simulator can also help practicing radiologists become more comfortable with intussusception air reduction.
authors.affiliation: Department of Radiology, University of California at Davis, 4860 Y St., Ste. 3100, Sacramento, CA 95817, USA. rebecca.steinwexler@ucdmc.ucdavis.edu
authors.forename: Rebecca
authors.initials: R
authors.lastname: Stein-Wexler
authors.forename: Thomas
authors.initials: T
authors.lastname: Sanchez
authors.forename: Glade E
authors.initials: GE
authors.lastname: Roper
authors.forename: Anthony S
authors.initials: AS
authors.lastname: Wexler
authors.forename: Robert P
authors.initials: RP
authors.lastname: Arieli
authors.forename: Clark
authors.initials: C
authors.lastname: Ho
authors.forename: Joseph C
authors.initials: JC
authors.lastname: Li
authors.forename: Alp
authors.initials: A
authors.lastname: Ozpinar
authors.forename: Steffan K
authors.initials: SK
authors.lastname: Soosman
mesh_terms: D000388:Air; D000399:Air Pressure; D002648:Child; D002675:Child, Preschool; D003194:Computer-Assisted Instruction / Q000295:instrumentation*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007443:Intussusception / Q000000981:diagnostic imaging* / Q000628:therapy*; D008297:Male; D008365:Manometry / Q000295:instrumentation; D011029:Pneumoradiography / Q000295:instrumentation*; D011871:Radiology / Q000193:education* / Q000295:instrumentation; D011873:Radiology Information Systems / Q000295:instrumentation*; D014584:User-Computer Interface