Postoperative monitoring of free flap by intraflap vascular catheterization and prevention of thrombosis.

Postoperative monitoring of free flap by intraflap vascular catheterization and prevention of thrombosis. - Postoperative monitoring by IFVC

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000027971

Enrollment

Registered

2017-06-28

Start date

2017-06-28

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

skin defect

Interventions

At the time of free flap transfer, catheters are inserted in the artery and vein of the flap. Connect to pressure monitor and measure arterial pressure and venous pressure for 5 to 8 postoperative day

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with skin defects and requiring reconstruction with free flap Patient who got written consent for this study. In addition, if the age is under 20 years old, we also obtain written consent from the substitute

Exclusion criteria

Exclusion criteria: Ukinase contraindicated patients Patients who failed to resume blood flow during surgery Patient who could not insert catheter into flap Patient who judged that whole body condition is bad.

Design outcomes

Primary

Measure	Time frame
Reoperation rate	—

Secondary

Measure	Time frame
Flap survival rate The number of urokinase injections in artery The number of saline injections in vein The change in postoperative arterial pressure and venous pressure	—

Countries

Japan

Contacts

Public ContactAtsuomi Saiga

St Mary's Hospital Department of Plastic and Reconstructive Surgery

s.atsuomi@gmail.com0942-35-3322

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026