Capsule endoscopy (CE) and double-balloon enteroscopy (DBE) allow complete small-bowel examination but consume additional health care resources. A cost-minimization analysis determined the optimal initial management strategy for obscure occult gastrointestinal bleeding (OGIB).
Department of Gastrointestinal Health Outcomes, Policy and Economics Research Program, University of California, San Francisco, 513 Parnassus Avenue, Box 0538, San Francisco, California 94143, USA. ma.somsouk@ucsf.edu