Since 1990, the authors have used a new technique for coverage of large burns, which begins with early tangential excision and coverage with cadaver allograft (A), followed by placement of cultured epithelial autograft (CEA) onto an allodermis base (CEA/A). They present their 18-year experience (1990-present) using CEA in 88 patients (20 children and 68 adults) with age range of 6 months to 73 years. A review of prospectively collected data was conducted on adult and pediatric patients grafted with CEA at the Indiana University Medical Center for definitive wound coverage (TBSA 28-98%). These patients were followed up for 3 to 90 months. Complications, take rates, and outpatient follow-ups were noted. The mean final take rate of CEA/A was 72.7%, and the overall patient survival rate was 91% (80 of 88 patients). Complications were classified as early and late, they included: (early) blistering and shearing (31%), pruritus and itching (4.7%), (late) CEA loss (2 patients, 2.3%), and wound contractures (66%). Contracture releases were performed on 32 patients (36%); of which, 18 were children (56%). Cultured keratinocytes provide an excellent alternative or adjunct to conventional split-thickness skin grafting in treating large burn wounds. A dedicated team of physicians, nurses, and therapists well rehearsed in CEA care are vital for success in keratinocyte grafting. The final graft take of 72.7% with a 91% overall survival rate gives much optimism for continuing to use CEA in critically burned patients.
The use of cultured epithelial autografts (CEA) for the treatment of large burn wounds has gained popularity in recent years. This technique may circumvent the restrictions of limited donor site availability and hasten permanent wound coverage for large TBSA burns. The availability of a large amount of skin from a small donor site with the promise of permanent wound coverage suggests its use in other conditions such as giant congenital nevi (GCN) as well. The risk of malignant transformation of GCN to melanoma although somewhat controversial is significant enough to warrant early excision in childhood. Cultured keratinocytes may provide one-stage coverage of these large wounds, lessening the number of surgeries and the inherent staging problems of tissue expansion or autografting. A retrospective single institution review of was done for 29 children (20 burns and 9 patients with GCN) who underwent coverage of their large surface area wounds with CEA over an 18-year period. Excellent take rates were noted; 76.4% for burn patients and 66% for patients with GCN. Several strategies in preoperative, perioperative, and postoperative care have been standardized and have helped improve outcome. The keys to success with the CEA technique have been aggressive control of wound sepsis, surgical technique, specific use of topical antimicrobials, dressings, and the standardization of nursing and physiotherapy care. Although the cost of CEA is high, the benefits to patient care make this technique an appealing choice for large wound coverage in the pediatric population.
Neuroleptic malignant syndrome (NMS) is an uncommon, potentially fatal syndrome that occurs with the use of neuroleptic medications. In view of the rarity of this syndrome and the overlap with the pathophysiologic manifestations of a burn, the burn surgeon may not readily recognize NMS on presentation. We describe the case of a 27-year-old man with 15% TBSA burns who developed NMS as a result of metoclopramide use. Recognition and treatment resulted in a prompt resolution of symptoms. Initial treatment should include immediate withdrawal of all neuroleptic agents, measures aimed at decreasing body temperature, supportive care, and restoration of dopamine balance. Various authors have advocated treatment with various medications, including benzodiazepines, dantrolene, and dopaminergic agents. It is important for burn unit personnel to be aware of this syndrome because the early institution of therapy can be life saving.
The objective of the study is to review a single institution's experience with high-frequency oscillatory ventilation (HFOV) and compare patient characteristics, outcomes, and complications with other reported studies of HFOV use in burn patients with acute respiratory distress syndrome and respiratory failure. This study is a retrospective chart review of the burn patients treated with HFOV in Pediatric Burn Unit at Riley Hospital for Children from October 1996 to April 2007. Patient data were collected, including demographics, percentage of TBSA burn, percentage of full-thickness burn, mechanisms of burn, settings on conventional mechanical ventilation and HFOV, and blood gas data before initiation of HFOV and at 1, 3, 6, 12, 24, 72 (3 days), 120 (5 days), 168 (7 days), 240 (10 days), and 336 hours (14 days). Length of stay, mortality, and complications were also included. HFOV was used 24 times in 21 patients between October 1996 and April 2007 with a mean age of 10 ± 11 years. At initiation of HFOV, the PaO2/FiO2 and oxygenation index values were 109 ± 26 and 36 ± 12, respectively. At stop, the PaO2/FiO2 improved to 166 ± 24 with an average increase from before HFOV of 57 ± 39 (P < .002). At 5 days of HFOV, oxygenation index improved to 14.1 ± 1.7 (P < .02) but did not significantly improve at discontinuation of HFOV at 28.8 ± 6.2 (P = .11). The mortality rate during admission to the burn unit was 29%. Barotrauma occurred in 38% of patients during HFOV. Severe hypercapnea was present briefly in 49% of patients, and this was refractory to standard treatment in 19%. In our experience, HFOV in severe burn patients has significant, early, and sustained improvement in oxygenation. Earlier institution of HFOV seems to significantly lower rates of barotraumas.
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