نتایج جستجو برای: gurgical flaps
تعداد نتایج: 10880 فیلتر نتایج به سال:
BACKGROUND Groin dissections result in large wounds with exposed femoral vessels requiring soft tissue coverage, and the reconstructive options are diverse. In this study we reviewed our experience with the use of the pedicled anterolateral thigh and vertical rectus abdominis musculocutaneous flaps in the reconstruction of large groin wounds. METHODS Groin reconstructions performed over a per...
OBJECTIVE Avulsion injuries of the dorsum of the foot and ankle present difficult reconstructive problems especially in pediatric patients. Usually, there is exposure of bones, joints, tendons, or ligaments, which requires coverage by flaps. The best skin for coverage is the local skin, but the remaining intact skin is usually limited. Usage of such local skin necessitates elevation of long and...
BACKGROUND Over the last several decades, reconstruction of the head and neck oncologic defect has been revolutionized by the use of microvascular free tissue transfer. The majority of these defects can be reconstructed with the ability to visually monitor the flap, to intervene as soon as vascular compromise becomes evident. Occasionally, it is necessary to use a flap that has no visual extern...
The use of degradable polymeric implant materials for defect closure after tumor surgical resection in the area upper aerodigestive tract instead skin muscle flaps would represent a novel therapeutical option oncological head and neck surgery. Successful coverage with not only reduce morbidity but also improve swallowing speech function comparison to flaps.
BACKGROUND Free-flap surgery and skin grafting can be used to reconstruct large facial defects that may result after skin cancer removal by Mohs micrographic surgery (MMS). However, these two methods may produce low postsurgical patient satisfaction with aesthetics, and free-flap surgery may produce an undue burden for the majority of skin cancer patients, who are of advanced age. Hence, the au...
The local fasciocutaneous flap has the advantage of low donor-site morbidity when used for the coverage of lower limb defects. However, flap reliability remains a major problem with its use. The purpose of this study was to determine the feasibility of preserving perforators to the tip of conventional local fasciocutaneous flaps to improve its vascularity. The technical considerations of raisin...
Reconstruction of the bone defects due to various causes is still one of the challenging problems in plastic and reconstructive surgery. Periosteum is accepted to be the essential source for the repair of the bone tissue, which constitutes the basis of the support and the mobility functions of the surrounding tissues. Periosteal grafts and flaps have been used for various purposes by numerous t...
During DNA replication, synthesis of the lagging strand occurs in stretches termed Okazaki fragments. Before adjacent fragments are ligated, any flaps resulting from the displacement of the 5' DNA end of the Okazaki fragment must be cleaved. Previously, Dna2 was implicated to function upstream of flap endonuclease 1 (Fen1 or Rad27) in the processing of long flaps bound by the replication protei...
Background Propeller flaps require torsion of the vascular pedicle of up to 180 degrees. Contrary to free flaps, where the relevance of an intact vascular pedicle has been documented, little is known regarding twisted pedicles of propeller flaps. As secondary surgeries requiring undermining of the flap are common in the extremities, knowledge regarding the necessity to protect the pedicle is re...
BACKGROUND Coverage of defects of the pretibial area remains a challenge for surgeons. The difficulty comes from the limited mobility and availability of the overlying skin and soft tissue. We applied variable pedicled perforator flaps to overcome the disadvantages of local flaps and free flaps on the pretibial area. METHODS Eight patients who had the defects in the anterior tibial area were ...
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