colorectal tumor
Conditions
Interventions
Underwater ESD group
Conventional ESD group
Sponsors
Shonan Fujisawa Tokushukai Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Colorectal tumors that are difficult to resect by EMR 2) No recurrent lesion after an endoscopic treatment 3) No complication such as inflammatory bowel disease 4) Lesion does not extend to the appendix or ileum 5) Written informed consent by the patient 6) Patient age between 20 and 94 years
Exclusion criteria
Exclusion criteria: 1) Pregnant patients or with the possibility of the pregnancy 2) Lactating patients 3) Patients disqualified for this study by the physician 4) Patients who have participated in this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Dissection speed | — |
Secondary
| Measure | Time frame |
|---|---|
| Total volume of injection solution used during the ESD procedure; perforation rate; Frequency of the intraoperative bleeding that requires hemostatic forceps; Post-ESD bleeding rate; Post-ESD coagulation syndrome rate; Variation in white blood cell count, blood CRP level, and blood Na level on the day of and the day after the ESD procedure; Time required to create the mucosal flap; Frequency of UESD interruptions due to bleeding; Time required to return to UESD post-UESD interruption due to bleeding; Frequency of CESD interruptions due to bleeding; Time required to return to CESD post-CESD interruption due to bleeding; Dissection speed according to the lesion location; ESD procedure time according to the lesion location; Dissection speed according to the presence of fibrosis; ESD procedure time according to the presence of fibrosis; Dissection speed according to the positional relationship with gravity; Time for the ESD procedure according to the positional relationship with gravity | — |
Countries
Japan
Contacts
Public ContactMitsuru Nagata
Shonan Fujisawa Tokushukai Hospital Department of Endoscopy
Outcome results
None listed