Nail injuries
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Here was a presentation I gave on toenail trauma with the slides involved. It was requested by a Worcester Emergency Resident. I hope you find it helpful. To watch video it is below the pictures.
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Understand the relationship between anatomy , functions and injuries of the nail bed
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1. The document provides an algorithmic approach for evaluating and treating soft-tissue injuries of the fingertip, outlining methods based on the type and extent of injury.
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Understand the relationship between anatomy , functions and injuries of the nail bed
Develop repair and reconstruction techniques for the injuries and their complications
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1. The document provides an algorithmic approach for evaluating and treating soft-tissue injuries of the fingertip, outlining methods based on the type and extent of injury.
2. A variety of reconstruction techniques are described, including V-Y flaps, triangular flaps, and cross-finger flaps from neighboring digits depending on the location and size of the defect.
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The document discusses various reconstructive options for fingertip injuries, including healing by secondary intention, skin grafting, and local flap reconstruction techniques such as volar V-Y flaps, bilateral V-Y flaps, and cross-finger flaps. The goals of fingertip reconstruction are to close the wound, maximize sensory return, preserve length and joint function, and obtain a satisfactory cosmetic appearance. Selection of the reconstructive method depends on factors like the level and depth of the injury, amount of exposed tissue, and characteristics of the individual patient.
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The document describes the different parts of the nail structure. It lists 7 parts: 1) the nail root or matrix which produces new nail cells, 2) the nail plate, the visible and dead outer layer of the nail, 3) the free edge which extends past the fingertip, 4) the hyponychium beneath the free edge which protects against infection, 5) the nail bed under the nail plate with ridges and grooves, 6) the visible part of the matrix at the base of the nail, and 7) the nail fold formed from thickened skin with two parts around the nail.
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A subungual hematoma is a collection of blood under the fingernail caused by a direct injury to the nail. This blood collection puts pressure on the nailbed, causing intense pain. It is usually treated by draining the blood out through a hole made in the nail. Medical attention is needed if the hematoma involves over 25% of the nail area or the injury is severe. After draining the blood, the nail hole will grow out over time but there is a risk of permanent nail deformity from damage to the nailbed.
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This document discusses different types of flaps that can be used in reconstructive surgery. It mentions perforator flaps, radial forearm flaps, posterior interosseous flap, and ulnar forearm flap as options to reconstruct areas of the body. The document is authored by Dr. Subrat K Jena and is focused on surgical techniques for reconstruction.
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This document discusses hand reconstruction techniques following injuries. It introduces relevant hand anatomy and the goals of reconstruction, which are to restore functional, sensate hands that are aesthetically acceptable. Various local and regional flap options for covering dorsal and palmar hand defects ranging from fingertips to multiple fingers are described, including considerations for selecting the appropriate flap based on defect size and location. Post-operative care and potential complications are also mentioned.
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The lateral compartment of the leg, also known as the fibular or peroneal compartment, contains two muscles - the peroneus longus and brevis. These muscles evert the foot and plantarflex the ankle joint. The peroneus longus originates on the head of the fibula and upper lateral fibular shaft and inserts on the medial cuneiform and base of the first metatarsal. The peroneus brevis originates on the lower lateral fibular shaft and inserts on the base of the fifth metatarsal. Both muscles are supplied by the superficial peroneal nerve.
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The Funky Professor videos can be viewed here;
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