Augmented Reality in Liver Navigation for Laparoscopic Liver Surgery- Trial

Augmented Reality in Liver Navigation for Laparoscopic Liver Surgery- Trial - AR-Navigate

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00022415

Enrollment

Registered

2020-07-08

Start date

2020-09-01

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

C22 C23 C24 K74 K75 K76

Interventions

Group 1: Application of Augmented Reality-supported liver navigation in 3D-laparoscopic liver surgery, stratified by major and minor liver resections. Group 2: Conventional laparoscopic liver surgery,

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Indication for elective laparoscopic liver resection - Preoperative CT or MRT imaging with KM - ASA I-III

Exclusion criteria

Exclusion criteria: - Status after major open upper abdomen surgery - Contraindications to laparoscopic liver resection - Transjugular Intrahepatic PortoSystemic Shunt (TIPSS) - Cirrhosis of the liver CHILD B or C - Heart failure >NYHA II - Status after SIRT - Pregnancy - Breastfeeding

Design outcomes

Primary

Measure	Time frame
- Primary endpoint: R1 resection rate	—

Secondary

Measure	Time frame
- Unscheduled surgical expansion due to central vascular injury or bile duct injury - Blood loss - Intraoperative blood transfusion - Number/Duration Pringle- Maneuvers - Duration of surgery - OP costs (time and material) - Conversion rate for laparoscopic operations - Postoperative blood transfusion - Postoperative morbidity (especially bile leaks, biliomas and post-operative bleeding; within the hospital stay up to 3 months postoperatively) Postoperative mortality (within the hospital stay and after 3 months) - Reoperation rate - Postoperative intervention rate (CT-guided puncture) - Postoperative laboratory values on days 1,3,5 and 7 - Postoperative amount of ascites if drainage is available - Postoperative ITS stay - Postoperative ventilation days - Postoperative hospital stay - Minimum safety distance at the resectate in mm - Tumour recurrence in the liver and extrahepatic after 3, 6 and 12 months (optional) - Subjective assessment of the technique by the surgeon using a specific questionnaire	—

Measure

Time frame

- Unscheduled surgical expansion due to central vascular injury or bile duct injury - Blood loss - Intraoperative blood transfusion - Number/Duration Pringle- Maneuvers - Duration of surgery - OP costs (time and material) - Conversion rate for laparoscopic operations - Postoperative blood transfusion - Postoperative morbidity (especially bile leaks, biliomas and post-operative bleeding; within the hospital stay up to 3 months postoperatively) Postoperative mortality (within the hospital stay and after 3 months) - Reoperation rate - Postoperative intervention rate (CT-guided puncture) - Postoperative laboratory values on days 1,3,5 and 7 - Postoperative amount of ascites if drainage is available - Postoperative ITS stay - Postoperative ventilation days - Postoperative hospital stay - Minimum safety distance at the resectate in mm - Tumour recurrence in the liver and extrahepatic after 3, 6 and 12 months (optional) - Subjective assessment of the technique by the surgeon using a specific questionnaire

—

Countries

Germany

Contacts

Public ContactCarina Riediger-Schweipert

Universitätsklinikum Dresden, Klinik und Poliklinik für Viszeral-, Thorax- und Gefäßchirurgie

carina.riediger@uniklinikum-dresden.de+49-351-458 18353

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026