نتایج جستجو برای: flap
تعداد نتایج: 18941 فیلتر نتایج به سال:
BACKGROUND Fasciocutaneous tissue transfer is one of the most common procedures performed in head and neck reconstructive surgery. These composite tissues can be transferred as either a free flap or a pedicled flap. Free tissue transfer has become the reconstructive modality of choice following head and neck oncologic ablation. Synthetic tissue adhesives and hemostatic agents are rapidly gainin...
Distal skin ischemic necrosis is a common complication in skin flap surgery. The pathogenesis of skin flap ischemic necrosis is unclear, and there is no clinical treatment available. Here, we used the 4 x 10 cm rat dorsal skin flap model to test our hypothesis that subcutaneous injection of vascular endothelial growth factor 165 (VEGF165) in skin flaps at the time of surgery is effective in aug...
BACKGROUND The lateral arm flap remains an underused flap, especially as a free flap. In this article, the authors describe the perforator anatomy to optimize flap design and harvest. METHODS Perforator locations were mapped in 12 cadavers (24 arms), and a retrospective review was conducted of 51 patients undergoing lateral arm flap surgery. RESULTS One to three reliable perforators supply ...
Nowadays, the transposition of microvascular free flaps is the most popular method for management of head and neck defects. However, not all patients are suitable candidates for free flap reconstruction. In addition, not every defect requires a free flap transfer to achieve good functional results. The aim of this study was to assess whether pedicled flap reconstruction of head and neck defects...
BACKGROUND The cheek rotation flap has sufficient blood flow and large flap size and it is also flexible and easy to manipulate. It has been used for reconstruction of defects on cheek, lower eyelid, or medial and lateral canthus. For the large defects on central nose, paramedian forehead flap has been used, but patients were reluctant despite the remaining same skin tone on damaged area becaus...
IMPORTANCE This study demonstrates the versatility of the supraclavicular artery (SCA) flap in head and neck reconstruction and offers technical highlights to improve the efficiency of flap harvest. OBJECTIVES To report our series of diverse reconstructions utilizing the SCA flap and to highlight several technical aspects of flap harvest that make the procedure more safe, reliable, and efficien...
BACKGROUND The rotation fasciocutaneous flap for buttock pressure sore coverage has the distinct advantage of allowing rerotation in the event of ulcer recurrence. The authors describe their approach of preserving and incorporating musculocutaneous perforators into the conventional rotation design. METHODS The skin incision is the same as that for the conventional gluteal rotation flap. The f...
As microvascular techniques continue to improve, perforator flap free tissue transfer is now the gold standard for autologous breast reconstruction. Various options are available for breast reconstruction with autologous tissue. These include the free transverse rectus abdominis myocutaneous (TRAM) flap, deep inferior epigastric perforator flap, superficial inferior epigastric artery flap, supe...
A general purpose viscous flow solver Ansys CFX was used to solve the unsteady three-dimensional (3D) Reynolds Averaged Navier-Stokes Equation (RANSE) for simulating a 3D numerical viscous wave tank. A flap-type wave generator was incorporated in the computational domain to generate the desired incident waves. Authors have made effort to study the physical behaviors of Flap type wave maker with...
PURPOSE We evaluated the results of vaginal flap reconstructive surgery of the female urethra. MATERIALS AND METHODS A series of 74 consecutive women who presented with urethral pathology requiring surgical reconstruction were assessed for anatomical and functional outcome. Followup was 1 to 15 years (median 1.5). Outcome assessment included success or failure of the anatomical repair based o...
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