This study prospectively examined the incidence and severity of large joint contractures after burn injury and determined predictors of contracture development. Data were collected prospectively from 1993 to 2002 for consecutive adult burn survivors admitted to a regional burn center. Demographic and medical data were collected on each subject. The primary outcome measures included the presence of contractures, number of contractures per patient, and severity of contractures at each of four joints (shoulder, elbow, hip, knee) at time of hospital discharge. Logistic regression analysis was performed to determine predictors of the presence and severity of contractures and a negative binomial regression was performed to determine predictors of the number of contractures. Of the 985 study patients, 381 (38.7%) developed at least one contracture at hospital discharge. Among those with at least one contracture, the mean is three contractures per person. The shoulder was the most frequently contracted joint (38%), followed by the elbow (34%) and knee (22%). Most contractures were mild (60%) or moderate (32%) in severity. Statistically significant predictors of contracture development were length of stay (P < .005) and extent of burn (P = .033) and graft (P < .005). Predictors of the severity of contracture include graft size (P < .005), amputation (P = .034), and inhalation injury (P = .036). More than one third of the patients with a major burn injury developed a contracture at hospital discharge, which highlights the importance of therapeutic positioning and intensive therapy intervention during acute hospitalization. Furthermore, this challenges the burn care community to find new and better ways of preventing contractures after burn injury.
Electrical injuries continue to present problems with devastating complications and long-term socioeconomic impact. The purpose of this study is to review one institution's experience with electrical injuries. From 1982 to 2002, there were 700 electric injury admissions. A computerized burn registry was used for data collection and analysis. Of these injuries, 263 were high voltage (> or =1000 V), 143 were low voltage (<1000 V), 277 were electric arc flash burns, and 17 were lightning injuries. Mortality was highest in the lightning strikes (17.6%) compared with the high voltage (5.3%) and low voltage (2.8%) injuries, and mortality was least in electric arc injuries without passage of current through the patient (1.1%). Complications were most common in the high-voltage group. Mean length of stay was longest in this group (18.9 +/- 1.4 days), and the patients in this group also required the most operations (3 +/- 0.2). Work-related activity was responsible for the majority of these high-voltage injuries, with the most common occupations being linemen and electricians. These patients tended to be younger men in the prime of their working lives. Electrical injuries continue to make up an important subgroup of patients admitted to burn centers. High-voltage injuries in particular have far reaching social and economic impact largely because of the patient population at greatest risk, that is, younger men at the height of their earning potential. Injury prevention, although appropriate, remains difficult in this group because of occupation-related risk.
This prospective, longitudinal study examined the influence of baseline physical and psychological burden on serial assessments of health-related quality of life among adults with major burns from three regional burn centers (n = 162). Physical burden groups were defined by % TBSA burned: <10%, 10% to 30%, or >30%. Psychological burden groups were defined by in-hospital distress using the Brief Symptom Inventory Global Severity Index T-score with scores of < 63 or > or = 63. Analyses compared groups across level of burden and with published normative data. Assessments reflected health and function (Short Form 36) during the month before burn, at discharge, and at 6 and 12 months after burn. Physical functioning was significantly more impaired and the rate of physical recovery slower among those with either large physical burden or large psychological burden. Notably, psychosocial functioning also was more impaired and the rate of psychosocial recovery slower among those with greater psychological burden. These results suggest that, in addition to aggressive wound closure, interventions that reduce in-hospital distress may accelerate both physical and psychosocial recovery.
Heterotopic ossification (HO) is an infrequently encountered complication of a burn. A retrospective review was undertaken to evaluate our treatment and results. Forty-two patients were identified with HO during 21 yrs. Mean age was 38 yrs. Mean total body surface area and third-degree burn were 55% and 37%, respectively. The elbow was the most frequent site (>90%), and 44% were bilateral. The next most common sites were shoulder, hip, knee, and forearm. Greater than 90% of patients had ventilator support and intensive care unit length of stay 58 and 79 days, respectively. HO was first suspected by decreased range of motion, painful and/or swollen joint, or a nerve deficit. Conventional radiographs were used to confirm the clinical diagnosis. The majority of burns overlying joints with HO were associated with prolonged wound closure because of depth, wound infection, or graft loss. Mean day of diagnosis was 71 days (range, 21-134). Excision of HO was undertaken only when range of motion compromised activities of daily living. Surgery successfully improved range of motion in all cases. The mean elbow arc of motion before and after surgery was 52 degrees and 119 degrees (range, 30-180 degrees), respectively. Seventy percent of elbows were ankylosed. A continuous passive motion device was instituted immediately postoperatively. Local postoperative complications included hematoma, wound dehiscence, infection, and nerve deficit. Maintaining range of motion was difficult for 75% of patients. Symptomatic recurrence of HO occurred in four elbows and one forearm. Because the cause(s) are unknown, prevention is impossible; once diagnosed, medical treatment is problematic and spontaneous resolution is infrequent. Surgery continues to be the recommended treatment when activities of daily living or life style are affected.
Over 35 years in North Texas, the median burn size and incidence of pediatric burn admissions has decreased. Concomitantly, length of stay and mortality have also decreased.
The literature on time off work and return to work after burns is incomplete. This study addresses this and includes a systematic literature review and two-center series. The literature was searched from 1966 through October 2000. Two-center data were collected on 363 adults employed outside of the home at injury. Data on employment, general demographics, and burn demographics were collected. The literature search found only 10 manuscripts with objective data, with a mean time off work of 10 weeks and %TBSA as the most important predictor of time off work. The mean time off work for those who returned to work by 24 months was 17 weeks and correlated with %TBSA. The probability of returning to work was reduced by a psychiatric history and extremity burns and was inversely related to %TBSA. In the two-center study, 66% and 90% of survivors had returned to work at 6 and 24 months post-burn. However, in the University of Washington subset of the data, only 37% had returned to the same job with the same employer without accommodations at 24 months, indicating that job disruption is considerable. The impact of burns on work is significant.
The aim of this investigation was to identify the consequences of skin grafting on cutaneous vasodilation and sweating in split-thickness grafted skin during indirect whole-body heating 5 to 9 months after surgery. In addition, thermoregulatory function was examined at donor skin sites on a separate day. Skin blood flow and sweat rate (SR) were assessed from both grafted (n = 14) or donor skin (n = 11) and compared with the respective adjacent control skin during indirect whole-body heating. Cutaneous vascular conductance (CVC) was calculated from the ratio of skin blood flow (arbitrary units; au) to mean arterial pressure. Whole-body heating significantly increased internal temperature (37.0 +/- 0.1 degrees C to 37.8 +/- 0.1 degrees C; P < .05). Cutaneous vasodilation (ie, the increase in CVC from baseline, deltaCVC) during whole-body heating was significantly attenuated in grafted skin (deltaCVC = 0.14 +/- 0.15 au/mm Hg) compared with adjacent control skin (deltaCVC = 0.84 +/- 0.11 au/mm Hg; P < .05). Increases in sweat rate (deltaSR) were also significantly lower in grafted skin (deltaSR = 0.08 +/- 0.08 mg/cm2/min) compared with adjacent control skin (deltaSR = 1.16 +/- 0.20 mg/ cm2/min; P < .05). Cutaneous vasodilation and sweating during heating were not significantly different between donor sites (deltaCVC = 0.71 +/- 0.19 au/mm Hg; deltaSR = 1.04 +/- 0.15 mg/cm2/min) and adjacent control skin (deltaCVC = 0.50 +/- 0.10 au/mm Hg; deltaSR = 0.83 +/- 0.17 mg/cm2/min). Greatly attenuated or absence of cutaneous vasodilation and sweating suggests impairment of thermoregulatory function in grafted skin, thereby, diminishing the contribution of this skin to overall temperature control during a heat stress.
The purpose of this study was to evaluate the incidence of neuropathy in a consecutive cohort of patients with major burn injuries and investigate the clinical correlates for both mononeuropathy and generalized peripheral polyneuropathy. Of 572 patients examined, 64 (11%) patients had clinical evidence of mononeuropathy or peripheral neuropathy or both. Associations of mononeuropathy and peripheral neuropathy with potential risk factors were identified using logistic regression analyses. Electrical cause (odds ratio [OR] = 4.1022, P < .01), history of alcohol abuse (OR = 2.2893, P <.05), and number of days in intensive care (OR = 1.0457, P < .001) were significantly associated with mononeuropathy. The number of days in intensive care (OR = 1.0740, P < .001) and patient age (OR = 1.0543, P < .01) were significantly associated with peripheral neuropathy. This study demonstrates that neuropathy is a common complication of severe burn injury in patients who are older, critically ill, have an electrical cause, or history of alcohol abuse.
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