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Microsurgical Reconstruction of Complex Scalp Defects With Vastus Lateralis Free Flap.

Microsurgery

February 2025

Plastic and Reconstructive Surgery, Department of Precision Medicine in Medical, Surgical and Critical Care (Me.Pre.C.C.), University of Palermo, Palermo, Italy.

Background: Scalp reconstruction is a challenging field for plastic surgeons. In case of large or complex defects, microsurgical-free flaps are usually required. Reconstructive failure can result in high morbidity and in some cases be life-threatening.

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Highly deformable flapping membrane wings suppress the leading edge vortex in hover to perform better.

Proc Natl Acad Sci U S A

February 2025

École polytechnique fédérale de Lausanne, School of Engineering, Institute of Mechanical Engineering, Unsteady Flow Diagnostics Laboratory, Lausanne 1015, Switzerland.

Airborne insects generate a leading edge vortex when they flap their wings. This coherent vortex is a low-pressure region that enhances the lift of flapping wings compared to fixed wings. Insect wings are thin membranes strengthened by a system of veins that does not allow large wing deformations.

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Impact of Norepinephrine Use on Free Flap Survival in Breast Reconstructive Microsurgery.

Microsurgery

January 2025

Service de Chirurgie Plastique et Reconstructrice, Hôpital européen Georges-Pompidou, Paris, France.

Objective: The optimal method for maintaining intraoperative blood pressure during microsurgical procedures remains controversial. While intravenous fluid administration is essential, overfilling can lead to complications. Vasopressor agents are used cautiously due to their vasoconstrictive effects, which could potentially lead to flap failure.

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: Defects in maxillary and mandibular continuity are common in maxillofacial practice. They can occur after trauma, osteonecrosis, congenital jaw deformities, or surgical resection of benign or malignant tumours. Reconstruction with microvascular bone flaps and subsequent prosthetic rehabilitation is considered the contemporary first line treatment.

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Radial forearm free flap (RFFF) is considered one of the workhorses in modern head and neck reconstruction surgery due to its technical simplicity, versatility and less time-consuming harvest. In this report, we present the case of a 56-year-old woman with sublingual squamous cell carcinoma (SCC) who underwent surgical resection and reconstruction of the defect with a RFFF. The preoperative Allen test showed normal blood flow, and the ultrasound did not recognize any blood vessel abnormalities in the left arm.

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