中华烧伤与创面修复杂志

Expert consensus on the management of deep partial-thickness burn wounds in pediatric patients (2023 version)

2023, 39(10): 901-910. doi: 10.3760/cma.j.cn501225-20230730-00026

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Burns are the leading cause of accidental injuries among Chinese children. Due to the strong wound repair ability and the demand for growth and development in pediatric patients, there are many options for the treatment of deep partial-thickness burn wounds in pediatric patients, while many controversies about the strategies for treatment of this kind of wounds also exist. This article assembled the consensus reached by experts in burns and relevant fields in China and abroad on the management of thermal-induced deep partial-thickness burn wounds in pediatric patients aged 1-6 years, including definition and diagnosis, surgical treatment, non-surgical treatment, wound dressings, application of growth factors, treatment of infectious wounds, prevention and treatment of scar, to provide guiding recommendations for the diagnosis and treatment of deep partial-thickness burn wounds in pediatric patients in China.

A brief discussion on the harvest of thinned perforator flap, detection of perforator vessels, and evaluation of flap blood supply

Zhang Pihong

2023, 39(10): 911-918. doi: 10.3760/cma.j.cn501225-20230812-00047

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Repair and reconstruction surgery is not just a simple repair and reconstruction of tissue and organ defects in different parts, but also requires perfect repair that matches the defect and confuses the real. The thinning strategy of perforator flap is one of its main contents. In recent years, the concept of pure skin perforator flap and its clinical application have overturned the traditional concept that flaps must carry subdermal vascular plexus and improved our understanding of flap surgery, and it is expected to enhance the level of repair and reconstruction. This article explores the harvest of thinned perforator flaps, especially the harvest of innovative pure skin perforator flap with the thickness similar to full thickness skin, as well as the preoperative detection of perforator vessels, blood supply evaluation of perforator flaps, and their clinical applications. It proposes a "Jinshan" repair that perfectly matches the recipient area defect, and also prospects research on the perforasome and three-dimensional visualized digital anatomy of pure skin perforator flaps.

Clinical effects of scalp flaps pedicled with superficial temporal artery parietal branch in repairing facial destructive burn wounds

Xia Chengde, Xue Jidong, Xing Peipeng, Di Haiping, Shi Jijing, Zhang Jian, Cao Dayong, Xiao Hongtao, Liu Lei, Ma Chao

2023, 39(10): 919-925. doi: 10.3760/cma.j.cn501225-20230312-00077

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Objective To explore the clinical effects of scalp flaps pedicled with superficial temporal artery parietal branch in repairing facial destructive burn wounds. Methods A retrospective observational study was conducted. From January 2016 to December 2021, 15 patients with facial destructive burns who met the inclusion criteria were admitted to Zhengzhou First People's Hospital, including 11 males and 4 females, aged 22 to 79 years. Two patients were complicated with unilateral eyeball destructive burns, two patients were complicated with unilateral auricle defects, eight patients were complicated with lip and cheek defects, and three patients were complicated with lip, cheek, and unilateral nasal alar defects. The burn wound areas ranged from 9 cm×6 cm to 13 cm×10 cm. The scalp flaps pedicled with superficial temporal artery parietal branch, with the area of 10 cm×7 cm to 15 cm×11 cm, were designed, excised, and transferred for repairing burn wounds. The secondary wounds at the donor sites were repaired with medium-thickness scalp grafts. According to patient's needs, the hairs grew at the facial transplanted flap were removed by laser at 2 weeks after the flap was completely viable, or the expanded scalp flap was used to treat the secondary alopecia in the flap donor area of the head at 3 months after the primary wound repair. The survival of the flap/skin graft and the wound healing of the donor and recipient areas after the primary wound repair were recorded. During the follow-up, the appearance of the flap, the scar hyperplasia at the suture site, the repair effect of facial functional parts, the treatment effects of laser hair removal and secondary alopecia treatment at the flap donor site were observed; the patient's satisfaction with the overall repair effect was inquired. Results After the primary wound repair, all the flaps transplanted to the burn wounds and the skin grafts transplanted to the secondary wounds of the flap donor sites survived well, and the wounds at the donor and recipient sites of flap healed well. The color, texture, and thickness of flap were basically the same as those of normal facial skin, and the scar at the suture site was slight during 3 to 18 months of follow-up period after the primary wound repair. In 11 patients complicated with lip defects, the oral integrity, and the opening and closing functions of mouth were restored with the mouth opening being 2.0-2.5 cm and no microstomia; all the patients could carry out basic language communication, 8 of them could take regular food, and 3 of them could take soft food. The wounds in two patients with unilateral eyeball destructive burns were repaired. In 2 patients complicated with auricle defects, the wounds were repaired, and the external auditory canals were normal. In 3 patients complicated with unilateral nasal alar defects, their noses had poor appearance with reduced nostrils. No hair growth was observed in the facial flap sites after treatment of laser hair removal in 8 patients. Five patients were successfully treated with expanded scalp flaps for secondary alopecia in the flap donor area of the head. The patients were all satisfied with the overall repair effect. Conclusions The scalp flap pedicled with superficial temporal artery parietal branch has abundant blood supply and is suitable for repairing the wounds in facial destructive burns. It is easy to transfer and can better restore the appearance and function of the recipient area with minimal damage to the flap donor area, which is worthy of clinical promotion.

Effects of the anterolateral thigh chimeric perforator flaps in repairing complex wounds of foot and ankle

Ji Peng, Cao Tao, Zhang Zhi, Zheng Zhao, Liang Min, Tian Chenyang, Hao Tong, Chen Leilei, Hu Dahai, Han Juntao, Tao Ke

2023, 39(10): 926-932. doi: 10.3760/cma.j.cn501225-20230627-00232

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Objective To investigate the effects of anterolateral thigh chimeric perforator flap in repairing complex wounds of foot and ankle. Methods A retrospective observational study was conducted. From May 2018 to June 2022, 23 patients who met the inclusion criteria were admitted to the First Affiliated Hospital of Air Force Medical University to repair complex wounds of foot and ankle with anterolateral thigh chimeric perforator flaps, including 15 males and 8 females, aged from 20 to 66 years. The wounds were all accompanied by bone exposure and defects, and were complicated with varying degrees of infection. All patients underwent debridement and continuous vacuum sealing drainage treatment for 1 week in stage Ⅰ, with the skin and soft tissue defect area after debridement being 10 cm×5 cm to 22 cm×7 cm. In stage Ⅱ, the anterolateral thigh chimeric perforator flap was used to cover the defective wound, of which the muscle flap was used to fill the deep invalid cavity of the ankle joint or cover bone and internal fixation exposures, and the skin flap was used to cover the superficial wound, with the area of the skin flap ranging from 11 cm×6 cm to 23 cm×8 cm, and the area of the muscle flap ranging from 4.0 cm×2.5 cm to 8.0 cm×5.0 cm. The survival of the flap was observed after operation. During follow-up, the color, texture, appearance, and complications of the flap were observed, the function of ankle joint and its range of dorsiflexion motion and plantar flexion motion were measured, and the scar hyperplasia and muscular hernia in donor area were observed. Results Ecchymosis and epidermal necrosis occurred at the tip of the flap in 1 patient on 5 days after operation and healed after dressing change for 1 week; the other flaps of patients survived successfully. After 6 to 40 months of follow-up, the color, texture, and shape of flaps were good, but 1 patient was not satisfied with the shape of the flap because of flap swelling; the ankle joint movement was basically normal, the dorsiflexion motion was 15-30°, and the plantar flexion motion was 20-45°; the scar hyperplasia in the donor area of the flap was not obvious, and no muscular hernia occurred. Conclusions The anterolateral thigh chimeric perforator flap can effectively fill the deep invalid cavity of ankle joint and cover the superficial wound at the same time, with minimal damage to the donor site. So it is an ideal flap for repairing the complex wounds of foot and ankle.

Effects of miniature free groin perforator flaps in repairing small wounds on hands

Liu Feng, Zhang Wei, Xie Weiguo, Chen Lan, Zhang Weidong, Zhou Jinxiu, Li Ze

2023, 39(10): 933-938. doi: 10.3760/cma.j.cn501225-20230701-00244

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Objective To investigate the effects of miniature free groin perforator flaps in repairing small wounds on hands. Methods The retrospective observational study was conducted. Fifteen patients with 16 small wounds on hands were admitted to Tongren Hospital of Wuhan University & Wuhan Third Hospital from July 2020 to October 2022, including 12 males and 3 females, aged 19 to 56 years. The size of skin and soft tissue defect was 2.0 cm×1.5 cm to 6.0 cm×3.0 cm after debridement. According to size and shape of the wounds, 13 single-lobe perforator flaps and 2 bilobed perforator flaps were designed in the groin region, with the flap size of 4.5 cm×2.5 cm to 7.5 cm×3.5 cm. According to the condition of the recipient area, the arteries and veins at the pedicle of the flap were anastomosed to the arteries and veins of the recipient area respectively. The wounds in the donor area of the flap was closed by layered and tension-reducing suture. The thickness of the flap was measured during operation. The survival of the flap was observed, and the complications in the donor and recipient areas were recorded after operation. The appearance and texture of the flap were observed during follow-up. At the last follow-up, the sensory recovery of the affected hand was evaluated, the function of the affected hand was evaluated according to the trial standard of the upper limb partial function evaluation of the Hand Surgery Society of the Chinese Medical Association, the scar in the donor and recipient areas were observed, and the satisfaction of patients for the curative effects was inquired. Results The thickness of the flap was ranged from 0.3 to 1.0 cm, with an average thickness of 0.6 cm. After operation, 11 single-lobe flaps and 2 bilobed flaps survived well; in the left 2 single-lobe flaps, one flap had venous crisis but returned to normal after removing stitches to reduce tension and bloodletting of flaps, while the other one flap had a little necrosis on tip but healed after dressing change. No complications occurred in donor and recipient areas. During follow-up of 8 to 35 months after operation, the flaps had good elasticity and soft texture; 8 flaps were slightly bloated and were trimmed 3 to 8 months after operation, while the appearances of the other flaps were good. At the last follow-up, all flaps recovered protective feeling; the function of the affected hand was evaluated as excellent in 10 cases, good in 4 cases, and fair in 1 case; only linear scar remained in the donor and recipient areas; the patients were satisfied with the appearance and function recovery of the affected hand. Conclusions The miniature free groin perforator flaps in repairing small wounds on hands have the advantages of high survival rate of flaps, hidden flap donor area, little damage, few complications, good repair effect, etc., showing clinical application value. It is recommended for repairing non-functional wounds on hands.

Selection strategy of pedicled axial flaps for repairing high-voltage electric burn wounds in foot and ankle

Zhong Haiyan, Chen Yong, Du Xuanyu, Wang Qian, Wang Min, Zou Mingli, Yuan Siming

2023, 39(10): 939-946. doi: 10.3760/cma.j.cn501225-20230613-00212

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Objective To explore the selection strategy of pedicled axial flaps for repairing high-voltage electric burn wounds in foot and ankle. Methods The retrospective observational research method was used. From January 2017 to December 2022, 16 patients with skin and soft tissue defects in foot and ankle after high-voltage electric burns were treated in General Hospital of Eastern Theater Command, including 11 cases of unilateral defect and 5 cases of bilateral defect. All patients were male, aged from 25 to 75 years. After thorough debridement, the area of the defect to be repaired with the flap was 5.0 cm×4.0 cm to 12.0 cm×8.0 cm. Before operation, the color Doppler ultrasound, computed tomography angiography, or digital subtraction angiography was used to fully evaluate the degree of vascular injury in the affected limb and to identify the distribution and traffic anastomosis of vascular network. Pedicled axial flaps with reliable blood supply were used to repair the wounds as soon as possible, and the area of flaps ranged from 3.0 cm×2.0 cm to 13.0 cm×8.0 cm. The wound in the donor area of flaps was repaired with split-thickness skin graft from head or medium-thickness skin graft from thigh. The flap repair of wounds in various areas of the ankle and foot was recorded. The postoperative survivals of the flaps and skin grafts were observed after surgery. The postoperative appearance of flaps and walking function of patients were followed up. At the last follow-up, the foot and ankle function was evaluated and rated using the American Association of Foot and Ankle Surgeons Ankle Posterior Foot Scoring System. Results Two wounds in toe area were repaired with reverse dorsal pedis flaps, 3 wounds in medial ankle area and 2 wounds in heel area were repaired with medial plantar flaps, 2 wounds in anterior plantar area combined with toe area were repaired with reverse medial plantar flaps, 2 wounds in anterior plantar area combined with toe area and 5 wounds in anterior plantar area were repaired with reverse medial pedis flaps, 1 wound in toe area was combined with proper plantar digital artery flap, 1 dorsal pedis wound and 1 lateral malleolus wound were repaired with lateral supramalleolar perforator flaps, and 1 lateral malleolus wound and 1 dorsal pedis wound were repaired with sural neurovascular flap. One flap had venous reflux disorder after surgery and survived after treatment, while the other flaps and skin grafts survived completely after surgery. During the follow-up of 6 to 24 months after operation, the appearance of the flaps was good, and the walking function of patients was normal. At the last follow-up, the functional score of foot and ankle was 76 to 95, which was evaluated as excellent in 11 cases and good in 5 cases. Conclusions According to the condition of high-voltage electric burn in foot and ankle, early and thorough debridement, preoperative imaging examination to evaluate blood vessels of the affected limb, and selection of pedicled axial flap with reliable blood supply are good methods for wound repair and related functional reconstruction of high-voltage electric burn in foot and ankle.

Effects of modified proper digital artery island flap in repairing complex fingertip defects

Huang Yue, Lin Feng, Hao Chunyu, Liang Jiulong, Zhou Dapeng, Wang Hongyi

2023, 39(10): 947-952. doi: 10.3760/cma.j.cn501225-20230109-00008

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Objective To investigate the surgical method and clinical effects of the modified proper digital artery island flap in repairing complex fingertip defects. Methods A retrospective observational study was conducted. From January 2017 to December 2021, 15 patients (15 fingers) with complex fingertip defects, involving the pulp, nail bed, and lateral wall of the nail, who met the inclusion criteria were admitted into General Hospital of Northern Theater Command, including 11 males and 4 females, aged from 18 to 55 years. The area of the post debridement wound was from 2.5 cm×2.0 cm to 3.5 cm×3.5 cm, and all the wounds were repaired by using modified proper digital artery island flap (including 3 parts: main flap, tongue-shaped flap, and triangular flap), of which the main flap was used to cover the finger pulp defect, the tongue-shaped flap was used to cover the nail bed and the nail lateral wall defect, and the triangular flap was inserted into the edge of the finger pulp wound to cover the vessel pedicle. The range of the flap ranged from 3.0 cm×2.0 cm to 4.5 cm×3.0 cm. The wound at the donor site was repaired with full-thickness skin graft of the groin, and the donor site of the skin graft was sutured directly. After operation, the survival of the flap and skin graft as well as and the appearance of the affected finger were observed. During the follow-up, the fingertip morphology of the affected finger was observed, two-point discrimination distance of the affected finger pulp was measured, and the patients' satisfaction with the efficacy (including very satisfied, satisfied, and dissatisfied) was asked, and the affected finger function was evaluated by the total active movement (TAM) system evaluation standard recommended by American Academy for Surgery of Hand. Results After operation, the main flaps and skin grafts in 15 patients all survived; but the incision at the edge of tongue-shaped flap in one patient healed poorly, and one patient developed venous stasis at the distal end of the tongue-shaped flap; the triangular flap at the pedicle was slightly bloated in the early postoperative period and became smooth after 2 to 3 months. Overall, two patients developed subcutaneous hematoma in their flaps. All the complications were healed by appropriate dressing change, suture removal, or compression bandaging. After operation, the appearance of the flap was full and formed a prominent fingertip shape. During the follow-up of 6 months to 5 years, the fingertips of the affected fingers were prominent and full; the two-point discrimination distance of the affected finger pulp was (8.6±1.4) mm; 8 patients were very satisfied with the efficacy, 6 patients were satisfied, and one patient was dissatisfied; the functional assessment of the affected fingers were all excellent. Conclusions The modified proper digital artery island flap can repair complex fingertip defects involving the pulp, nail bed, and lateral wall of the nail. The operation is simple, and the shape and function of the fingertip are good after surgery.

Effects of low position lateral supramalleolar flap carrying periosteum and proximal leg propeller flap in relay repair of electric burn wounds of forefoot

Meng Yanbin, Zhang Hairui, Wei Jianwei, Zhang Yujiao, Li Hushan, Huo Wenliang, Bai Peiyi

2023, 39(10): 953-958. doi: 10.3760/cma.j.cn501225-20230421-00138

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Objective To explore the effects of low position lateral supramalleolar flap carrying periosteum and proximal leg propeller flap in relay repair of electric burn wounds of forefoot. Methods A retrospective observational study was conducted. From January 2019 to January 2022, 12 patients with electric burn wounds of forefoot meeting the inclusion criteria were admitted to the Sixth Hospital of Shanxi Medical University, including 10 males and 2 females, aged 23-65 years. After debridement, the wound with an area of 6.0 cm×3.0 cm to 15.0 cm×7.0 cm was repaired with the lateral supramalleolar flap carrying part of the periosteum of the distal tibia and fibula with the rotation point moved down to the front of the ankle joint. The area of the cutted flap was 6.5 cm×3.5 cm-15.5 cm×7.5 cm. At the same stage, the donor site wound of lateral supramalleolar flap was repaired with peroneal artery or superficial peroneal artery perforator propeller flap in relay, with the relay flap area of 3.0 cm×1.5 cm-15.0 cm×4.0 cm. After operation, the survival of the lateral supramalleolar flap and relay flap, and the wound healing of the relay flap donor site were observed. During follow-up, the shapes of the lateral supramalleolar flap and its donor site were observed. Results After operation, one patient developed secondary blisters in the superficial skin distal to the lateral supramalleolar flap, which healed after dressing change, and the lateral supramalleolar flap and relay flaps survived well in the other patients; the donor site wound of the relay flap healed well. During follow-up of 12-18 months, the lateral supramalleolar flaps were in good shape and not bloated, with only linear scar left in the donor site of the flap. Conclusions The low position lateral supramalleolar flap carrying periosteum can repair electric burn wounds of forefoot with advantages including reliable blood supply, low rotation point, and better repair effects. The use of relay flap to repair the donor site of lateral supramalleolar flap can reduce the damage to the appearance and function of the donor site.

Abdominal function and appearance of patients after repairing the extensive skin and soft tissue defects in the limbs with two types of lower abdominal tissue flaps

Wu Lei, Ding Yingzhuang, Hao Minru, Gao Xiang

2023, 39(10): 959-967. doi: 10.3760/cma.j.cn501225-20230428-00145

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Objective To study the abdominal function and appearance of patients after repairing the extensive skin and soft tissue defects in the limbs with two types of lower abdominal tissue flaps. Methods A retrospective clinical controlled study was conducted. From June 2016 to October 2022, 17 patients with extensive skin and soft tissue defects in the limbs who met the inclusion criteria were admitted to the Department of Bone Hand Microsurgery of Shandong Wendeng Orthopedic Hospital, including 2 males and 15 females, aged 21-60 years, with a defect ranging from 15.0 cm×10.0 cm to 23.0 cm×15.0 cm. According to the applied repair method, the patients were divided into deep inferior epigastric perforator (DIEP) flap group (9 cases) with the defect wound being repaired by the DIEP flap and muscle sparing transverse rectus abdominis myocutaneous (MS-TRAM) flap group (8 cases) with the defect wound being repaired by the MS-TRAM flap. On post surgery day (PSD) 1, 3, 5, 7, and 14, the blood supply of the tissue flaps was evaluated using a self-made tissue flap blood supply evaluation scale. At 12 months after surgery, the patients' satisfaction with the efficacy of tissue flap repair was evaluated using the satisfaction score standard for flap efficacy. Before surgery and at 3 and 12 months after surgery, a self-made abdominal wall strength evaluation scale was used to evaluate the strength of abdominal wall. At 12 months after surgery, a self-made abdominal appearance evaluation scale was used to evaluate the condition of abdominal scars, degree of abdominal symmetry, the appearance and restoration of umbilicus, abdominal protrusion during dressing, and formation of folds on both sides of the abdomen. Data were statistically analyzed with analysis of variance for repeated measurement, independent sample t test, paired sample t test, and Fisher's exact probability test. Results On PSD 1, 3, 5, 7, and 14, there was no significant change in the blood supply score of tissue flaps of patients in the two groups, and there was no statistically significant difference between the two groups ( P>0.05). At 12 months after surgery, the satisfaction ratio of patients in DIEP flap group with tissue flap repair efficacy was 8/9, which was close to 7/8 in MS-TRAM flap group ( P>0.05). The preoperative abdominal wall strength of patients between the two groups was similar ( P>0.05), while the abdominal wall strength of patients in DIEP flap group was significantly stronger than that in MS-TRAM flap group at 3 and 12 months after surgery (with t values of 3.09 and 3.02, respectively, P<0.05). Compared with the preoperative strength within each group, the abdominal wall strength of patients in DIEP flap group at 3 months after surgery and in MS-TRAM flap group at 3 and 12 months after surgery decreased significantly (with t values of 6.04, 9.71, and 2.91, respectively, P<0.05), which did not change significantly in DIEP flap group at 12 months after surgery ( P>0.05). At 12 months after surgery, the scores of abdominal scars, degree of abdominal symmetry, the appearance and restoration of umbilicus, abdominal protrusion during dressing, and formation of folds on both sides of the abdomen of patients were similar between the two groups ( P>0.05). Conclusions Free transplantation of DIEP flap and MS-TRAM flap to repair the extensive skin and soft tissue defects in the limbs can achieve good repair results, including good blood supply of tissue flap and abdominal shape, and the patients' high degree of satisfaction with the efficacy of tissue flap repair. However, DIEP flap is superior to MS-TRAM flap in terms of long-term postoperative abdominal wall strength recovery, showing a broader prospect of application.

Clinical characteristics and analysis of risk factors for heart injuries in 55 patients with lightning injury on plateau in Tibet Autonomous Region

Yang Sisi, Zhao Yuanyu, Luo Zhenjin, He Chong, Li Yunheng

2023, 39(10): 968-976. doi: 10.3760/cma.j.cn501225-20230413-00124

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Objective To explore the clinical characteristics and treatment outcomes of patients with lightning injury on plateau in Tibet Autonomous Region, and to analyze the risk factors for heart injuries in these patients. Methods A retrospective case series study was conducted. From January 2008 to July 2023, 55 patients with lightning injury who met the inclusion criteria were admitted to the General Hospital of PLA Tibet Military Area Command. The gender, age, ethnicity, time of injury, location of injury (average altitude), activity at the time of injury, the occurrence of thermal burns on the body surface, the occurrence of complication, the occurrence of combined injury, underlying disease or physiological process before injury, length of hospital stay, treatment outcome, and effective rate of treatment were recorded. The patients were divided into juvenile group (11 cases), young group (28 cases), middle-aged group (14 cases), and elderly group (2 cases) according to age bracket, then the gender and ethnicity distribution of patients in the 4 groups were compared. According to the occurrence of heart injuries at admission, the patients were divided into heart injury group (44 cases) and non-heart injury group (11 cases), then the gender, age, ethnicity, average altitude of location of injury, length of hospital stay, the occurrence of complication, the occurrence of combined injury, site of thermal burns on the body surface, and area of thermal burns on the body surface in patients were compared between the two groups. Data were statistically analyzed with Mann-Whitney U test, chi-square test, or Fisher's exact probability test. The multivariate logistic regression analysis was conducted to screen the independent risk factors for heart injury in patients with lightning injury. Results Among the 55 patients aged 10-68 years, 39 were male and 16 were female, including 47 Tibetans and 8 Hans. There were no statistically significant differences in gender or ethnicity distribution of patients among the 4 groups with different age brackets ( P>0.05). Lightning injuries occurred from May to September, which mostly occurred in June and July. The incidence of lightning injury was higher in Chengguan District of Lhasa City (average altitude of 3 650 m) and Baqing County of Naqu City (average altitude of 4 500 m), being 20.0% (11/55) and 16.4% (9/55), respectively. A total of 96.4% (53/55) of the patients were engaged in outdoor activities when injured, such as grazing, digging Cordyceps, and harvesting highland barley. Among the 55 patients, 46 (83.6%) cases had thermal burns on the body surface, with burn area mainly being not more than 10% total body surface area and burn depth mainly being deep partial-thickness. Fifty-two (94.5%) patients had complications, with heart injury being the most common complication (44 cases, 80.0%). Twenty-two (40.0%) patients had 11 combined injuries, and traumatic brain injury was the most common combined injury. Seventeen (30.9%) patients had 11 underlying diseases or physiological processes before injury. The length of hospital stay of patients was 9 (5, 17) d. Among the 55 patients, 14 cases were cured and discharged, 40 cases were improved, and 1 case died, with effective rate of treatment of 98.2%. Compared with those in non-heart injury group, the proportion of complication occurrence ( χ ²=12.28), the proportion of trunk burns ( χ ²=5.15), and the average altitude of location of injury ( Z=-2.38) of patients in heart injury group were increased significantly ( P<0.05), while there were no significant changes in the other indicators ( P>0.05). Multivariate logistic regression analysis showed that the average altitude at the location of injury was the independent risk factor for heart injury in patients with lightning injury (with odds ratio of 3.28, 95% confidence interval of 1.35-7.99, P<0.05). Conclusions Lightning injuries on plateau in Tibet Autonomous Region mainly occur from May to September, with an average altitude of 4 500 m at the location of injury. Patients with lightning injury are injured when participating outdoor activities, and the affected patients are mainly mainly young male Tibetans. Most of the injuries are mild burns. Lightning injuries are complex and have many complications, with heart injury being the most common one. The average altitude at the location of injury is the independent risk factor for heart injury in patients with lightning injury.

Visual analysis of the current research status and hotspots of electric burns at home and abroad

Chen Hanxi, Huang Yingwen, Liu Wenji, Liu Bing, Chen Guibing, Zhang Doudou, Chen Pingyun, Lai Wen

2023, 39(10): 977-984. doi: 10.3760/cma.j.cn501225-20230511-00167

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Objective To analyze the literature on electric burns published at home and abroad, and to explore the research hotspots and frontiers of electric burns. Methods The bibliometric method was used. The Chinese and English literature related to electric burns published in China National Knowledge Infrastructure, Wanfang database, VIP database and the core collection of Web of Science database from January 1, 2013 to December 31, 2022 were searched respectively, and the CiteSpace 6.2.R2 software was used for analysis. The number of papers, authors, countries, and institutions of Chinese and English literature were counted respectively, and the co-occurrence analysis of keywords and mutation analysis and cluster analysis on the basis of the co-occurrence analysis were conducted, besides, the clustering time line figure was obtained after the keywords were sorted by time to explore the current research status and the evolution process of hotspots in the field of electric burns. Results A total of 398 English papers were retrieved from the core collection of Web of Science database, and a total of 523 Chinese papers were retrieved from China National Knowledge Infrastructure, Wanfang database, and VIP database after duplicate check. From 2013 to 2022, the number of English literature published in the field of electric burns showed a steadily upward trend, and the number of published Chinese literature showed a downward trend and tended to be stable. In Chinese literature, a total of 302 authors as the first author published papers related to electric burns, with 17 core authors published ≥3 papers; in English literature, a total of 320 authors as the first author published papers related to electric burns. Researches on electric burns were carried out in 65 countries, with United States having the most cooperation with other countries and the largest number of papers published. A total of 512 institutions at home and abroad published papers related to electric burns, and the institutions with the largest number of Chinese and English papers were Shanghai Electric Power Hospital in China ( n=14) and Hallym University in Korea ( n=11), respectively. A total of 1 176 Chinese keywords and 1 068 English keywords were included for co-occurrence analysis after excluding keywords related to the searching words. The top three keywords in frequency in Chinese literature were surgical flap, wound repair, and nursing, and the top three keywords in frequency in English literature were management, epidemiology, and children. Ten clusters were obtained by keyword analysis in Chinese literature, and the largest cluster was wound healing, followed by clinical effects and surgical flaps. Seven clusters were obtained by keyword analysis in English literature, and the largest cluster was reconstructive surgical procedures, followed by chronic pain and shock. The persistent clusters in Chinese literature were wound healing and clinical outcomes, etc., and the prominent nodes in the recent two years were surgical timing, limb electric burns, and hypertrophic scars; the persistent clusters in English literature were reconstructive surgical procedures and chronic pain, etc., and the prominent nodes in the recent two years were predictors and burn management, etc. In Chinese literature, the keyword with the longest duration of mutation (2017—2021) was wrist electric burns, and the keyword with the highest intensity of mutation was flap repair; in English literature, the keyword with the longest duration of the mutation (2019—2022) was voltage, and the keyword with the highest intensity of mutation was prevention. Conclusions There are similarities and differences in the research directions and hotspots of electric burns at home and abroad. Surgical flap repair is a common research hotspot at home and abroad. At present, domestic research focuses on wound healing, wrist electric burns, and other aspects, while international research focuses on treatment management, epidemiology, reconstruction, and other aspects.

Research advances on application of pancreatic stone protein in the early diagnosis of sepsis

He Ting, Liu Wei, Shen Chuan'an

2023, 39(10): 985-988. doi: 10.3760/cma.j.cn501225-20221120-00498

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Sepsis is a severe life-threatening syndrome characterized by an abnormal host response to infection that can rapidly evolve into septic shock and multiple organ failure. Treatment of sepsis depends on early identification and diagnosis as well as adequate and timely anti-infection and multi-organ functional support. In recent years, pancreatic stone protein has been widely studied as a new biomarker for sepsis. Existing evidence shows that compared with the commonly used inflammatory markers in clinical practice, pancreatic stone protein has higher sensitivity and specificity in the diagnosis of sepsis. It enables the early diagnosis of sepsis and assessment of the severity of septic patients to a certain extent. This article reviews the characteristics, biological functions, diagnostic features, and clinical application of pancreatic stone protein.

Research progress on prevention and treatment of deep vein thrombosis in burn patients

Tang Wenbin, Li Xiaojian

2023, 39(10): 989-993. doi: 10.3760/cma.j.cn501225-20220601-00210

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Deep vein thrombosis (DVT) and pulmonary embolism are common and serious complications in hospitalized patients. DVT may be induced by factors including the vein wall injury, hypercoagulability, and slow blood flow during the pathophysiological changes and treatment process of burn patients, especially severe burn patients. It is of great significance to understand the occurrence of DVT in burn patients, identify the high risk group of DVT formation in burn patients with effective evaluation methods, and carry out safe and effective prevention and treatment. This article briefly reviews research progress on the monitoring, prevention, and treatment of DVT in burn patients.

Research advances on mental disorders in patients with extensive burns

Gu Guoxin, Ran Mingzi, Li Mengmeng

2023, 39(10): 994-998. doi: 10.3760/cma.j.cn501225-20221116-00490

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Abstract:
Extensive burns can cause nonnegligible acute and chronic damage to central nervous system of patients. The damage of central nervous system may have a profound impact on patients, including neurobehavioral changes such as post-traumatic stress disorder, depression, anxiety, and sleep disorder. These changes may persist after injury, greatly affecting patients' integration into society and return to work. This paper systematically reviewed the clinical manifestations, pathogenesis, and current intervention methods of mental disorders in patients with extensive burns, aiming to provide a basis for further understanding, prevention, and treatment of patients with mental disorders after burns.

Summary of the 14 ^th Asia Pacific Burn Congress, the 18 ^th Chinese Symposium on Burn Medicine, and the 2023 Huaxia Burn Forum

Mu Qianjing, Mo Yu, Yuan Zhiqiang, Luo Gaoxing, Liang Guangping

2023, 39(10): 999-1000. doi: 10.3760/cma.j.cn501225-20231011-00109

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Abstract:
The 14 ^th Asia Pacific Burn Congress, the 18 ^th Chinese Symposium on Burn Medicine, and the 2023 Huaxia Burn Forum was held successfully in Chongqing from September 13 ^th to 16 ^th, 2023. More than 1 000 participants from more than 10 countries and regions attended the congress, including over 100 overseas experts. The theme of the congress was homage, heritage, and innovation, and three-day academic exchange was held in the form of academician forum, keynote forum, and seven thematic sub-forums focused on the hot spots and difficulties in the fields of burns, trauma, wound repair, and related fields. The congress was compact, comprehensive, in-depth, and fruitful, with warm atmosphere at the meeting site.

2023 Vol. 39, No. 10

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