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The control of severe intraoperative bleeding using an overlay autogenous tissue (OAT) patch: case reports
Ian G Hammond1, Andreas Obermair, John D Taylor
1Western Australian Gynecologic Cancer Service, King Edward Memorial Hospital for Women, Subiaco, Perth 6008, Western Australia. hammond@wantree.com.au
Gynecologic Oncology
|August 7, 2004
Summary
Overlay autogenous tissue (OAT) patches, using rectus abdominis fascia or omentum, successfully controlled severe intraoperative bleeding in three patients when standard techniques failed. This surgical innovation offers a new option for managing complex vascular injuries.
Area of Science:
- Surgical Innovation
- Vascular Repair
- Autogenous Tissue Grafting
Background:
- Standard surgical techniques may not always control severe intraoperative bleeding.
- Previous research demonstrated the efficacy of Overlay Autogenous Tissue (OAT) patches in an experimental sheep model.
- OAT patches utilize omentum or rectus abdominis fascia for vascular repair.
Observation:
- Three patients undergoing radical surgery for pelvic malignancy experienced uncontrollable bleeding from major pelvic vessels.
- Bleeding originated from the internal iliac vein, pelvic sidewall, and paravaginal venous plexuses.
- Hemostasis was achieved using OAT patches constructed from rectus abdominis fascia or appendix epiploicae.
Findings:
- The OAT patch technique proved effective in managing severe, uncontrollable intraoperative hemorrhage in diverse clinical scenarios.
- Successful application of OAT patches in three distinct cases of pelvic malignancy surgery.
- The OAT patch provides a viable method for securing hemostasis in challenging surgical bleeding.
Implications:
- The OAT patch technique offers a valuable solution for gynecologic oncologists facing intractable bleeding during pelvic surgeries.
- This method is particularly useful when standard hemostatic techniques are insufficient or access to the bleeding site is limited.
- The successful clinical translation of OAT patches expands therapeutic options for managing severe intraoperative bleeding in complex pelvic procedures.