A Multi-institutional Study on the Usefulness of Intraoperative Echo-Navigation System in Hepatobiliary and Pancreatic Surgery

A Multi-institutional Study on the Usefulness of Intraoperative Echo-Navigation System Using Fusion Technology in Hepatobiliary and Pancreatic Surgery - A Multi-institutional Study on the Usefulness of Intraoperative Echo-Navigation System Using Fusion Technology in Hepatobiliary and Pancreatic Surgery

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000057486

Enrollment

100

Registered

2025-04-01

Start date

2025-01-01

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

Malignant or borderline malignant tumors in the hepatobiliary and pancreatic regions

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who are scheduled for laparotomy and need intraoperative ultrasound (IOUS) to identify vascular or neoplastic lesions that can be noted on preoperative imaging. 2) Patients who have undergone either preoperative CT or MRI imaging studies. 3) Patients who are at least 18 years old and have given informed consent.

Exclusion criteria

Exclusion criteria: 1) Patients with a cardiac pacemaker 2) Patients with a history of open liver resection (not including laparoscopic surgery) 3) Patients who are deemed unsuitable for use by the investigator or attending physician

Design outcomes

Primary

Measure	Time frame
Accuracy between preoperative and ultrasound images after Registration	—

Countries

Japan

Contacts

Public ContactAkinori Miyata

National Cancer Center Hospital Hepatobiliary and Pancreatic Surgery

akmiyat@ncc.go.jp03-3542-2511

Outcome results