Efficacy and safety of single use duodenoscopes in comparison to reusable duodenoscopes for endoscopic retrograde cholangiopancreatography: A single center experience

Table 4 Median ratings for single-use duodenoscope performance characteristics

Performance characteristics	Median rating (range)
Ease and ability to intubate the esophagus	4 (1-5)
Ease and ability of traversing the stomach and the pylorus	4 (1-5)
Inadvertent slippage out of the duodenum	4 (1-5)
Navigation/pushability (overall from insertion to the deepest point of advancement into duodenum)	4 (1-5)
Predictability of range of motion	4 (1-5)
Suction performance	5 (1-5)
Ability to select short/long position as needed	4 (1-5)
Ease and ability to examine luminal mucosa where necessary	5 (1-5)
Stability of scope during cannulation of papilla	4 (1-5)
Elevator function	5 (1-5)
Ability to selectively cannulate	5 (1-5)
Tip control and deflection at time of cannulation	5 (1-5)
Ease of controlling and maintaining position during sphincterotomy	5 (1-5)
Position of the device in the field of view	5 (1-5)
Visualization/location of important landmarks on monitor	4 (1-5)
Maintenance of grip on wire by elevator	5 (1-5)
Elevator strength and ability to pass rigid device into common bile duct or pancreatic duct	5 (1-5)
Torquability of scope and ability to orient tip of scope in direction of push/pull	4 (1-5)
Ease and ability of passing/advancing ancillary devices through the channel of single use duodenoscope	5 (1-5)
Image quality/appearance/brightness	4 (1-5)
Ease and ability of duodenoscope withdrawal	4 (1-5)
Overall satisfaction	8 (1-10)