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Examining Obesity and Its Association With Burn Injury: A Secondary Analysis of the Transfusion Requirement in Burn Care Evaluation Study
Kelly, E. J., Reese, A. D., Carney, B. C., Keyloun, J. W., Palmieri, T. L., Moffatt, L. T., Shupp, J. W., Tejiram, S.
The Journal of surgical research. 2023;290:221-231
Abstract
INTRODUCTION Literature examining the connection between obesity and burn injuries is limited. This study is a secondary analysis of a multicenter trial data set to investigate the association between burn outcomes and obesity following severe burn injury. MATERIALS AND METHODS Body mass index (BMI) was used to stratify patients as normal weight (NW; BMI 18.5-25), all obese (AO; any BMI>30), obese I (OI; BMI 30-34.9), obese II (OII; BMI 35-39.9), or obese III (OIII; BMI>40). The primary outcome examined was mortality. Secondary outcomes included hospital length of stay (LOS), number of transfusions, injury scores, infection occurrences, number of operations, ventilator days, intensive care unit LOS, and days to wound healing. RESULTS Of 335 patients included for study, 130 were obese. Median total body surface area (TBSA) was 31%, 77 patients (23%) had inhalation injury and 41 patients died. Inhalation injury was higher in OIII than NW (42.1% versus 20%, P = 0.03). Blood stream infections (BSI) were higher in OI versus NW (0.72 versus 0.33, P = 0.03). Total operations, ventilator days, days to wound healing, multiorgan dysfunction score, Acute Physiology and Chronic Health Evaluationscore, hospital LOS, and intensive care unit LOS were not significantly affected by BMI classification. Mortality was not significantly different between obesity groups. Kaplan-Meier survival curves did not significantly differ between the groups (χ(2) = 0.025, P = 0.87). Multiple logistic regression identified age, TBSA, and full thickness burn as significant independent predictors (P < 0.05) of mortality; however, BMI classification itself was not predictive of mortality. CONCLUSIONS No significant association between obesity and mortality was seen after burn injury. Age, TBSA, and percent full- thickness burn were independent predictors of mortality after burn injury, while BMI classification was not.
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Efficiency of platelet-rich plasma in the management of burn wounds: A meta-analysis
Imam, M. S., Alotaibi, A. A. S., Alotaibi, N. O. M., Alosaimi, N. S., Alotaibi, S. G. M., Abdelrahim, M. E. A.
International wound journal. 2023
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Abstract
The meta-analysis aimed to assess the efficiency of platelet-rich plasma (PRP) in the management of burn wounds (BWs). Using dichotomous or contentious random- or fixed-effects models, the outcomes of this meta-analysis were examined and the odds ratio (OR) and the mean difference (MD) with 95% confidence intervals (CIs) were computed. Thirteen examinations from 2009 to 2023 were enrolled for the present meta-analysis, including 808 individuals with BWs. PRP had significantly shorter healing time (MD, -5.80; 95% CI, -7.73 to -3.88, p < 0.001), higher healing rate (OR, 3.14; 95% CI, 2.05-4.80, p < 0.001), higher healed area percent (MD, 12.67; 95% CI, 9.79-15.55, p < 0.001) and higher graft take area percent (MD, 4.39; 95% CI, 1.51-7.26, p = 0.003) compared with standard therapy in patients with BW. However, no significant difference was found between PRP and standard therapy in graft take ratio (OR, 1.70; 95% CI, 0.86-3.34, p = 0.13) and infection rate (OR, 0.55; 95% CI, 0.20-1.47, p = 0.23) in patients with BW. The examined data revealed that PRP had a significantly shorter healing time, a higher healing rate, a higher healed area percent and a higher graft take area percent; however, no significant difference was found in graft take ratio or infection rate compared with standard therapy in patients with BW. Yet, attention should be paid to its values since all of the selected examinations had a low sample size and some comparisons had a low number of selected studies.
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Effect of platelet-rich plasma in treating patients with burn wounds: A meta-analysis
Lin, C., Xin, L., Xie, S.
International wound journal. 2023
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Abstract
A meta-analysis was conducted to investigate the effects of platelet-rich plasma (PRP) in the treatment of burn wounds and to provide a scientific basis for clinical drug therapy. We searched PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure and Wanfang databases to identify randomised controlled trials (RCTs) on PRP in treating burn wounds, with the control group being treated with conventional treatments and the intervention group being treated with PRP alone or combined with PRP on the basis of the control group. The search duration was each database's inception to September 2023. The literature was screened, data were extracted and quality was assessed by two independent researchers. Data analysis was performed using the Review Manager 5.4 software. Eighteen RCTs comprising 1463 patients were included in the analysis. The meta-analysis revealed that the application of PRP significantly improved the wound healing rate (standardised mean difference [SMD]: 1.11, 95% confidence interval [CI]: 0.54-1.67, p < 0.001), shortened wound healing time (SMD: -1.69, 95% CIs: -2.21 to -1.17, p < 0.001) and reduced the incidence of adverse events (7.03% vs. 18.93%, odds ratio [OR]: 0.32, 95% CI: 0.20-0.53, p < 0.001), and also significantly reduced patients' pain (SMD: -1.86, 95% CI: -2.47 to -1.25, p < 0.001) of burn patients when compared with the control group. This study showed that PRP is effective in repairing burn wounds, promoting wound healing, reducing the incidence of adverse events and reducing patient pain, making it worthy of clinical promotion and application.
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Platelet-rich plasma for the treatment of burn wounds: A meta-analysis of randomized controlled trials
Huang, H., Sun, X., Zhao, Y.
Transfusion and Apheresis Science : Official Journal of the World Apheresis Association : Official Journal of the European Society for Haemapheresis. 2021;60(1):102964
Abstract
BACKGROUND To evaluate the efficacy and safety of platelet-rich plasma in the treatment of burn wounds through a meta-analysis of randomized controlled trials. METHODS We conducted a comprehensive study from electronic medical journal databases. The primary outcome was healing rate, and the secondary outcomes were healing time, adverse events, pain score and scar score. The data was analyzed using Review Manager 5.3 and Stata 12. The odds ratio (OR) among different groups was calculated by using 95 % confidence interval (CI). RESULTS We included 8 randomized controlled trials with a total of 539 patients. The results showed that platelet-rich plasma could improve the healing rate of burn wound (OR 4.43, 95 % CI 2.13-9.22). The wound healing time of the platelet-rich plasma treatment group was significantly shorter than that of the conventional treatment group (OR -4.23, 95 % CI -5.48 to -2.98), both the superficial burn (OR -3.80, 95 % CI -4.53 to -3.07) and the deep burn group (OR -4.65, 95 % CI -6.90 to -2.40) had shorter healing time. Otherwise, the incidences of adverse events (OR 0.30, 95 % CI 0.11-0.78), pain score (OR -0.80, 95 % CI -1.40 to -0.21) and scar score (OR -0.38, 95 % CI -0.69 to -0.07) were all better in the platelet rich plasma treatment group. CONCLUSION Topical platelet-rich plasma treatment on burn wounds can improve wound healing and reduce the incidence of adverse events. Further research is needed to standardize the preparation and use of platelet-rich plasma and to evaluate the long-term clinical outcome of platelet-rich plasma in the treatment of burn wounds.
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Effectiveness of platelet rich plasma in burn wound healing: A systematic review and meta-analysis
Zheng W, Zhao DL, Zhao YQ, Li ZY
The Journal of dermatological treatment. 2020;:1-25
Abstract
Background: To evaluate the efficacy of platelet-rich plasma (PRP) in the treatment of burn wounds.Methods: A comprehensive literature survey was conducted in electronic medical journal databases to identify studies that examined the effect of PRP treatment to burn wounds and meta-analyses of mean differences (MD) standardized MD, or odds ratios (OR) were performed.Results: The percentage of graft take was not significantly different between PRP-treated and control wound areas. Healing rate was significantly better in PRP-treated wounds. Healing time was also significantly less in PRP-treated wounds. There was no significant difference between PRP-treated and control wound areas in epithelialization, or in the incidence of adverse events. Incidence of infection was also not different between PRP-treated and control wound areas. Scar assessment score was significantly better in PRP-treated than in control wound areas.Conclusion: PRP treatment to burn wounds is found to improve healing. Variations in study design and sample size, types of wounds, PRP preparation protocols, and high risk of bias in some of the included studies may have impact on these outcomes.
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Evaluation of the Effect of Platelet-Rich Fibrin on Wound Healing at Split-Thickness Skin Graft Donor Sites: A Randomized, Placebo-Controlled, Triple-Blind Study
Vaheb M, Karrabi M, Khajeh M, Asadi A, Shahrestanaki E, Sahebkar M
The international journal of lower extremity wounds. 2020;:1534734619900432
Abstract
Split-thickness skin grafting (STSG) is widely used to heal wounds resulting from trauma, burns, and chronic wounds. This study aimed to determine the true effect of platelet-rich fibrin (PRF) on patients with burn wounds requiring STSG during treatment of donor wounds. This randomized, triple-blind clinical trial was conducted on patients who referred to the burn ward of Vasei Hospital of Sabzevar, Iran, from May 2017 to May 2018. The donor site was randomly divided into 2 groups: PRF and control (Vaseline petrolatum gauze) using Vaseline gauze. In the intervention group, the PRF gel was applied to the wound and covered with Vaseline gauze and wet dressing. Conversely, only Vaseline gauze and wet dressing were applied to the control group. Outcome evaluation was conducted using paired t test and Wilcoxon signed rank-sum test, as appropriate, on days 8 and 15. The mean age of the patients was 33.10 +/- 2.60 years, and 51.50% were male. The mean wound healing time in the PRF and control groups was 11.80 +/- 3.51 and 16.30 +/- 4.32 days, respectively (P < .001). The PRF group showed significantly higher wound healing rates than the control group at 8 and 15 days dressing (P < .001 and P < .001, respectively). Moreover, the mean wound healing for all wound healing indices diagnosed by 2 specialists in PRF was higher than control group on days 8 and 15 (P < .001). We found a statistically significant difference on days 8 and 15 regarding the mean pain levels between the 2 groups (P < .001). The findings showed that PRF can significantly increase the time and rate of donor wound healing compared with conventional treatment and also reduce the severity of pain.
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The best strategy for red blood cell transfusion in severe burn patients, restrictive or liberal: A randomized controlled trial
Salehi SH, Daniali M, Motaghi P, Momeni M
Burns : journal of the International Society for Burn Injuries. 2020
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Editor's Choice
Abstract
INTRODUCTION Although blood transfusion is common in burns, data are lacking in appropriate transfusion thresholds. It has been reported that a restrictive blood transfusion policy decreases blood utilization and improves outcomes in critically ill adults, but the impact of a restrictive blood transfusion policy in burn patients is unclear. We decided to investigate the outcome of decreasing the blood transfusion threshold. MATERIAL AND METHODS Eighty patients with TBSA > 20% who met our inclusion criteria were included. They were randomly divided into control and intervention groups. The intervention group received packed cells only when Hemoglobin declined to less than 8 g/dL at routine laboratory evaluations. While the control group received packed-cell when hemoglobin was declined to less than 10 g/dl. The total number of the received packed cell before, during and after any surgical procedure was recorded. The outcome was measured by the evaluation of the infection rate and other complications. RESULT The mean hemoglobin level before transfusion was 7.7 ± 0.4 g/dL in the restrictive group and 8.8 ± 0.7 g/dL in the liberal group. The mean number of RBC unit transfusion per patient in the restrictive group was significantly lower than the traditional group (3.28 ± 2.2 units vs. 5.9 ± 3.7 units) (p-value = 0.006). The total number of RBC transfused units varied significantly between the two groups (p-value = 0.014). The number of transfused RBC units outside the operation room showed a significant difference between groups (restrictive: 2.8 ± 1.4 units vs. liberal: 4.4 ± 2.6 units) (p = 0.004). We did not find any significant difference in mortality rate or other outcome measures between groups. CONCLUSION Applying the restrictive transfusion strategy in thermal burn patients who are highly prone to all kinds of infection, does not adversely impact the patient outcome, and results in significant cost savings to the institution and lower rate of infection. We conclude that the restrictive transfusion practice during burn excision and grafting is well tolerated and effective in reducing the number of transfusions without increasing complications. CLINICAL TRIAL REGISTRATION REFERENCE IRCT20190209042660N1.
PICO Summary
Population
Adult thermal burn patients (n= 80).
Intervention
Restrictive transfusion threshold: haemoglobin less than 8 g/dL (n= 40).
Comparison
Liberal transfusion threshold: haemoglobin less than 10 g/dL (n= 40).
Outcome
The mean haemoglobin level before transfusion was 7.7 ± 0.4 g/dL in the restrictive group and 8.8 ± 0.7 g/dL in the liberal group. The mean number of RBC unit transfusion per patient in the restrictive group was significantly lower than the traditional group (3.28 ± 2.2 units vs. 5.9 ± 3.7 units). The total number of RBC transfused units varied significantly between the two groups. The number of transfused RBC units outside the operation room showed a significant difference between groups (restrictive: 2.8 ± 1.4 units vs. liberal: 4.4 ± 2.6 units). No significant difference in mortality rate or other outcome measures between groups was found.
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Autologous Platelet Rich Plasma As A Preparative for Resurfacing Burn Wounds with Split Thickness Skin Grafts
Gupta S, Goil P, Thakurani S
World J Plast Surg. 2020;9(1):29-32
Abstract
BACKGROUND Split thickness skin graft is a widely accepted technique to cover large defects. Shearing, hematoma and infection have often been attributed as major causes for graft loss. Autologous platelet rich plasma (PRP) has been used in various treatment modalities in the field of plastic surgery for its healing, adhesive and hemostatic properties owing to the growth factors that are released. This Study primarily throws light on the usage of PRP over difficult Burn wound beds to augment graft uptake and attenuate complications. METHODS The patients were divided into two groups of those who were subjected to use of autologous PRP as a preparative burn surfacing and the control group who underwent standard method of treatment. RESULTS Patients in PRP group significantly showed a higher graft adherence rate as compared to those with other method. It also reduced pain, and hematoma formation. CONCLUSION Application of PRP is a safe, cost effective, easy method to increase graft adherence rate in patients with burns where graft loss is noticed and there is shortage of donor sites.
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Examining 1:1 Versus 4:1 Packed Red Blood Cell to Fresh Frozen Plasma Ratio Transfusion During Pediatric Burn Excision
Tejiram S, Sen S, Romanowski KS, Greenhalgh DG, Palmieri TL
Journal of burn care & research : official publication of the American Burn Association. 2020
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Abstract
Blood transfusions following major burn injury are common due to operative losses, blood sampling, and burn physiology. While massive transfusion improves outcomes in adult trauma patients, literature examining its effect in critically ill children is limited. The study purpose was to prospectively compare outcomes of major pediatric burns receiving a 1:1 vs 4:1 packed red blood cell (PRBC) to fresh frozen plasma (FFP) transfusion strategy during massive burn excision. Children with >20% total body surface area (TBSA) burns were randomized to a 1:1 or 4:1 PRBC/FFP transfusion ratio during burn excision. Parameters examined include patient demographics, burn size, Pediatric Risk of Mortality (PRISM) scores, Pediatric Logistic Organ Dysfunction (PELOD) scores, laboratory values, total blood products transfused, and the presence of blood stream infections or pneumonia. A total of 68 children who met inclusion criteria were randomized into two groups (n=34). Mean age, PRISM scores, estimated blood loss (600 mL (400 - 1175 mL) v 600 mL (300 - 1150 mL), p = 0.68), ventilator days (5 v 9, p = 0.47), and length of stay (57 v 60 days, p = 0.24) had no difference. No differences in frequency of blood stream infection (20 v 18, p = 0.46) or pneumonia events (68 v 116, p = 0.08) were noted. On multivariate analysis, only TBSA burn size, inhalation injury, and PRISM scores (p < 0.05) were significantly associated with infections.
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The effect of mesenchymal stem cells combined with platelet-rich plasma on skin wound healing
Mahmoudian-Sani M R, Rafeei F, Amini R, Saidijam M
Journal of Cosmetic Dermatology. 2018;17((5):):650-659
Abstract
INTRODUCTION Mesenchymal stem cells (MSCs) are multipotent stem cells that have the potential of proliferation, high self-renewal, and the potential of multilineage differentiation. The differentiation potential of the MSCs in vivo and in vitro has caused these cells to be regarded as potentially appropriate tools for wound healing. After the burn, trauma or removal of the tumor of wide wounds is developed. Although standard treatment for skin wounds is primary healing or skin grafting, they are not always practical mainly because of limited autologous skin grafting. EVIDENCE ACQUISITIONS Directory of Open Access Journals (DOAJ), Google Scholar, PubMed (NLM), LISTA (EBSCO), and Web of Science have been searched. EVIDENCE SYNTHESIS For clinical use of the MSCs in wound healing, two key issues should be taken into account: First, engineering biocompatible scaffolds clinical use of which leads to the least amount of side effects without any immunologic response and secondly, use of stem cells secretions with the least amount of clinical complications despite their high capability of healing damage. CONCLUSION In light of the MSCs' high capability of proliferation and multilineage differentiation as well as their significant role in modulating immunity, these cells can be used in combination with tissue engineering techniques. Moreover, the MSCs' secretions can be used in cell therapy to heal many types of wounds. The combination of MSCs and PRP aids wound healing which could potentially be used to promote wound healing.