The efficacy of an endoscopic continuous aspiration catheter in maintaining the permeability of the operative field and preventing excessive water injection in colorectal submucosal dissection using the water pressure method: A prospective observational study

The efficacy of an endoscopic continuous aspiration catheter in maintaining the permeability of the operative field and preventing excessive water injection in colorectal submucosal dissection using the water pressure method: A prospective observational study - The efficacy of an endoscopic continuous aspiration catheter in maintaining the permeability of the operative field and preventing excessive water injection in colorectal submucosal dissection using the water pressure method: A prospective observational study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000048671

Enrollment

Registered

2022-08-16

Start date

2022-08-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A case of colorectal submucosal dissection in which the water pressure method is planned to be used throughout the procedure

Exclusion criteria

Exclusion criteria: Cases in which multiple lesions are scheduled to be resected at the same time. Cases in which the patient is incapable of consent due to a minor, dementia, etc. Other cases that the physician in charge deems inappropriate for registration.

Design outcomes

Primary

Measure	Time frame
Aspiration volume by continuous aspiration catheter and mass of sediment extracted from endoscopically collected intestinal fluid over time.	—

Secondary

Measure	Time frame
Clinical characteristics of the lesion (loation, size, gross type) Degree of bowel cleaning Treatment outcomes (resection time, en bloc resection, R0 resection, pathology, adverse event) Endoscopic aspiration and water injection volume Fluid leakage from the anus Effect of a continuous aspiration catheter on operability	—

Countries

Japan

Contacts

Public ContactTeppei masunaga

Keio University, school of medicine Cancer center, division of research and development for minimal invasive treatment

teppei9027ww@keio.jp0333531211

Outcome results