Microvascular Rekonstruktion with free tissue transfer C03.1 C04.1 C05.0 C06.0
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Patients who underwent a microvascular free flap reconstruction in the head and neck region at the Department of Oral and Maxillofacial Surgery, University Medical Center Mainz between October 2018 and August 2025. - Availability of complete and relevant routine clinical data, including anesthesia records, operative reports, and postoperative documentation necessary for analysis. - Microvascular free flap procedure performed for reconstructive purposes, such as fibular, radial forearm, anterolateral thigh (ALT), or other established free flap types. - Age = 18 years at the time of surgery. - Elective or standard-of-care reconstructive procedure with documented intraoperative volume therapy parameters (i.e., excluding emergency cases without adequate documentation).
Exclusion criteria
Exclusion criteria: - Incomplete or missing routine clinical data, particularly insufficient documentation of intraoperative fluid therapy or hemodynamic parameters. - Patients younger than 18 years at the time of surgery. - Non-microvascular reconstructive procedures (e.g., local flaps, pedicled regional flaps). - Reconstructions performed outside the head and neck region, even if microvascular.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| What: Postoperative survival of the microvascular free flap. When: During the first 5 postoperative days (routine clinical monitoring). How: Evaluation of routine clinical documentation (clinical checks, flap monitoring, indications for revision). A flap is considered “surviving” if no perfusion-compromising event or revision surgery is recorded. | — |
Secondary
| Measure | Time frame |
|---|---|
| Occurrence of arterial or venous perfusion disorders. Postoperative hematoma requiring intervention. Need for revision surgery (categorized by cause). Clinically relevant flap or soft-tissue edema. Partial or complete flap loss. Association between intraoperative fluid therapy (volume/type), vasopressor use, and postoperative complications. | — |
Countries
Germany
Contacts
Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie der Universitätsmedizin Mainz