Clinics in plastic surgery
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Many patients continue to experience problems long after burn wounds have closed. Contracture and deformity are frequent sequelae of the scar tissue that is formed secondary to thermal trauma. A variety of techniques are available to the burn reconstructive surgeon, ranging from simpler grafting methods to complex free-tissue transfers. In this article, the clinical applications of these procedures are discussed, with examples of management techniques for selected problems commonly encountered by the reconstructive surgeon.
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Smoke inhalation injury, a unique form of acute lung injury, greatly increases the occurrence of postburn morbidity and mortality. In addition to early intubation for upper-airway protection, subsequent critical care of patients who have this injury should be directed at maintaining distal airway patency. High-frequency ventilation, inhaled heparin, and aggressive pulmonary toilet are among the therapies available. Even so, immunosuppression, intubation, and airway damage predispose these patients to pneumonia and other complications.
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The number of cases of mortality after burn injury continues to decline, in part because of advances in respiratory, fluid, and sepsis management. However, care needs to be exercised in the application of these new techniques and technologies, many of which have never been assessed or have been incompletely studied in patients who have burn injury. Use of any of these advances in critical care needs to be individualized for any given patient and altered based on the patient's response to therapy. Future advances in the critical care of burns will require multicenter prospective trials at dedicated burn centers to define the optimal therapy for the patient who has burn injury.
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Although definitive closure of the excised burn wound using split- or full-thickness autografts is the gold standard, permanent closure of larger defects may not be immediately feasible, especially if the presence of large burns limits the availability of donor sites. Newer temporary and permanent membranes can serve as adjuncts in some cases. Someday, burn surgeons may be in a position to close virtually any wound they generate using an immediately available, permanent, synthetic or laboratory-derived autologous composite.
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Early excision of the burn eschar has been one of the most significant advances in modern burn care. Historical advances in understanding of the pathophysiology of burn injury and the systemic inflammatory response fueled by the burn wound, and refinements in the techniques of tangential and fascial excision, have led to earlier excision and grafting of the burn wound with improvements in morbidity and mortality. Efforts to control blood loss, and good operative planning and attention to special areas, can lead to the safe excision and grafting of large burns.