Repair of head and neck malignant tumor defects with perforator flaps.
Conditions
Interventions
The mixed reality group:Affixing a positioning device on the patient’s body surface prior to performing CT angiography
Color Doppler Ultrasound-guided Group:Positioning by ultrasound
Sponsors
Chongqing university cancer hospital
Eligibility
Sex/Gender
All
Age
20 Years to 80 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria:a. Patients with head, neck and maxillofacial malignant tumors. b. After extended resection of the primary lesion, the tissue defect is large and cannot be sutured directly. The preoperative evaluation shows that the size of the free forearm flap cannot repair the defect in the surgical area.
Exclusion criteria
Exclusion criteria: Exclusion criteria:a. The estimated tissue defect in the surgical area is less than 5.0cm×4.0cm. b. There is a history of surgery or trauma on both lower limbs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Determine the distance between MR positioning or CDU positioning and the actual vascular exit point;Recognition rate;Surgical time and blood loss; | — |
Countries
China
Contacts
Public ContactLiu Yixiu
Chongqing university cancer hospital
Outcome results
None listed