Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Aug 27, 2022; 14(8): 799-808
Published online Aug 27, 2022. doi: 10.4240/wjgs.v14.i8.799
Table 1 Over-the-scope-grasper in endoscopic pancreatic necrosectomy - procedural parameters
Number of cases
37
Number of patients31
Sedation34× NAPS
3× anesthesia
Mean time to first necrosectomy 35.7 d (14-90 d)
Mean dimension of won 10.1 cm × 6.5 cm × 4.8 cm
Estimated percentage of necrosis within each collection57% (20%-90%)
Mean number of DEN session for WON resolution4.5 (1-13)
Access route/mean durationTotal (n = 37/59 min)
33× transgastric (58 min)
4× transduodenal (65 min)
LAMS (type, diameter)26× LAMS
15× PlumberTM (16 mm)
8× hot AxiosTM (15 mm)
1× hot AxiosTM (20 mm)
2× SpaxusTM (16 mm)
11× double pigtail stents
Additional tool37× irrigation pump
8× snare
Handling19× endoscope removed for cleaning
18× removal of endoscope not necessary
Table 2 Over-the-scope-grasper in other indications - procedural parameters
Foreign bodies
Number of cases8
Number of patients8
Sedation7× NAPS
1× anesthesia
Mean duration31.5 min (15-60 min)
Location5× esophagus
3× stomach
Type of foreign body5× meat bolus
2× tablets (intoxication)
1× button cell batteries
Additional tool1× forceps
1× net
Blood clots/bleeding:
Number of cases6
Number of patients6
Sedation5× NAPS
1× anesthesia
Mean duration52.2 min (20-100 min)
Location4× stomach
2× duodenum
Additional treatment3× OTSC
1× TTS clip
2× no treatment required
Prior to endoluminal vacuum therapy:
Number of cases5
Number of patients5
Sedation5× NAPS
Mean duration22 min (20-30 min)
Location5× rectum
Additional tool4× irrigation pump
1× snare