Intraoperative ultrasonographic assessment of gastric vascular blood flow and its correlation with postoperative outcomes.

Prospective Observational Study on the Correlation Between Intraoperative Gastric Conduit Blood Flow and Postoperative Endoscopic and MRI-Based Mucosal Integrity

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0011398

Enrollment

Registered

2025-12-31

Start date

2026-01-15

Completion date

Unknown

Last updated

2026-01-05

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

Conditions

None listed

Interventions

Procedure/Surgery : All patients enrolled in the study will undergo intraoperative assessment of gastric conduit blood flow using transit-time flowmetry or Doppler flowmetry. Postoperatively, all pati

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion Criteria Patients aged 19 to 80 years who undergo Ivor Lewis esophagectomy for esophageal cancer at Bundang CHA Hospital Patients who have voluntarily provided written informed consent to participate in this study Patients in whom intraoperative measurement of gastric conduit blood flow is feasible

Exclusion criteria

Exclusion criteria: Exclusion Criteria Patients who do not provide consent to participate in this study Patients with a history of previous upper abdominal or thoracic surgery Patients who are unable to complete study questionnaires or assessments due to communication difficulties or other limitations Patients with a history of central nervous system disease or severe psychiatric disorders

Design outcomes

Primary

Measure	Time frame
blood flow of the major gastric conduit vessels (RGEA, GDA, and the celiac trunk)	—

Secondary

Measure	Time frame
Postoperative anastomotic ischemia and anastomotic leakage;Association between postoperative MRI findings of gastric conduit mucosal integrity and perioperative variables (BMI, comorbidities, preoperative chemotherapy and/or radiotherapy, conduit length, operative time, etc.);Predictive value of intraoperative blood flow assessment for anastomotic ischemia or delayed healing;Association between postoperative complication rates (anastomotic leakage, pulmonary complications, reoperation, etc.) and intraoperative flowmetry results;Derivation of intraoperative flowmetry cutoff values for predicting gastric conduit ischemia and development of a risk stratification model	—

Measure

Time frame

Postoperative anastomotic ischemia and anastomotic leakage;Association between postoperative MRI findings of gastric conduit mucosal integrity and perioperative variables (BMI, comorbidities, preoperative chemotherapy and/or radiotherapy, conduit length, operative time, etc.);Predictive value of intraoperative blood flow assessment for anastomotic ischemia or delayed healing;Association between postoperative complication rates (anastomotic leakage, pulmonary complications, reoperation, etc.) and intraoperative flowmetry results;Derivation of intraoperative flowmetry cutoff values for predicting gastric conduit ischemia and development of a risk stratification model

—

Countries

Korea, Republic of

Contacts

Public ContactGongmin Rim

Bundang CHA General Hospital

yim8585@chamc.co.kr+82-31-780-5125

Outcome results