Use of patency capsule in daily practice.

: We read with great interest the paper by Albuquerque et al. entitled \"Predictive factors of small bowel patency in Crohn\u0027s disease patients\". Despite being a safe procedure, capsule endoscopy (CE) retention is a complication that should be kept in mind, especially in Crohn\u0027s disease (CD) patients. However, the risk of CE retention can be minimized using the patency capsule (PC). Although some clinical trials confirm its effectiveness, its use in daily practice has been poorly investigated. Albuquerque et al. report a PC negative predictive value (NPV) of 100% in this setting.