A novel causative factor of injury: Severe burns related to fires and explosions of lithium-ion batteries of electric motorcycles.

Severe burns related to fires and explosions of lithium-ion batteries of electric motorcycles have not been reported to date. We retrospectively studied 419 patients admitted to our burn intensive care unit from January 2016 to December 2021. Of these 419 patients, 26 (22 male, 4 female; median age, 42 years) had burns related to lithium-ion battery fires and explosions, and all of their injury characteristics were similar to those of traditional flame burns.

Application of Staged Negative Pressure Wound Therapy and Flap Surgery for Infection Control After Patellar Internal Fixation Surgery.

The anatomic position of the patella is superficial, making it vulnerable to injuries. Treatment of patella infection after internal fixation surgery remains a big challenge due to minimal soft tissue coverage and vital tissue exposure. Forty-two patients aged 10 to 59 years were admitted to the institution's burn unit between January 2010 and December 2019.

Extended Paraumbilical Perforator Flap Pedicled With the Inferior Epigastric Artery for Coverage of Type III Circumferential Electrical Burns of the Wrist.

Type III electrical burns on the wrist are characterized by circumferential wounds, three dimensional with sandwich-like necrosis, and progressive blood circulation disturbances. Limb salvage is challenging, and success in meeting this challenge depends on vascular reconstruction and wound coverage. This article is intended for the following purposes: to investigate the principles of wound debridement, the management of involved blood vessels, and the clinical effects of the extended paraumbilical perforator flap pedicled with the inferior epigastric artery for coverage of type III circumferential electrical burns of the wrist.

Treatment of Pasteurella multocida infection with dressings containing honey and antibacterials: a case report.

Infections secondary to frequently occur in patients who have been exposed to domestic pets. Human infections caused by Pasteurella multocida vary in severity, and clinical features include localised cellulitis, osteomyelitis, systemic bacteraemia, meningitis and pneumonia. No vaccine has been developed against ; it is treated with antibacterial agents and, in most cases, surgical intervention.

Application of a pre-filled tissue expander for preventing soft tissue incarceration during tibial distraction osteogenesis.

Background: Bone transport and distraction osteogenesis has been widely used to treat bone defects after traumatic surgery, but, skin and soft tissue incarceration can be as high as 27.6%.

Aim: To investigate the efficacy of inserting a tissue expander to prevent soft tissue incarceration.

Microbial community dynamics in an ANAMMOX reactor for piggery wastewater treatment with startup, raising nitrogen load, and stable performance.

Bacterial community dynamics of the ANAMMOX reactor of an integrated "UASB + SHARON + ANAMMOX" system for treating piggery wastewater were investigated using the Illumina MiSeq method with samples obtained at ~ 2-week intervals during a 314-day period. With aerobic activated sludge as seeds and low content artificial wastewater (NH-N 50 mg/L; NO-N 55 mg/L) as influent for the ANAMMOX reactor, nitrogen removal was initially observed on day 38 with a removal rate 1.3 mg N L day, and increased to 90.

Association of running manner with bacterial community dynamics in a partial short-term nitrifying bioreactor for treatment of piggery wastewater with high ammonia content.

Optimization of running parameters in a bioreactor requires detailed understanding of microbial community dynamics during the startup and running periods. Using a novel piggery wastewater treatment system termed "UASB + SHARON + ANAMMOX" constructed in our laboratory, we investigated microbial community dynamics using the Illumina MiSeq method, taking activated sludge samples at ~2-week intervals during a ~300-day period. Ammonia-oxidizing bacteria (AOB) were further investigated by quantification of AOB amoA genes and construction of gene clone libraries.

Laryngeal morphologic changes and epidemiology in patients with inhalation injury: a retrospective study.

Background And Objectives: Laryngeal morphologic changes are important in risk assessment of upper airway obstruction (UAO) after inhalation injury. This retrospective study evaluates the clinical application of laryngeal burn classification system.

Materials And Methods: Clinical data from January 1999 to June 2013 were analyzed retrospectively.

Association between the angiotensin-converting enzyme gene insertion/deletion polymorphism and first-episode patients with schizophrenia in a Chinese Han population.

Background: Angiotensin-converting enzyme (ACE), a key enzyme of the renin-angiotensin system, can modulate dopamine turnover in the midbrain. Previous studies have revealed an association between ACE gene insertion/deletion (I/D) polymorphism and chronic schizophrenia, yet results are conflicting.

Objective: The primary objective of this study was to examine whether the ACE gene I/D polymorphism is associated with first-episode patients with schizophrenia (FEP) in a Chinese Han population.

[Treatment of osteomyelitis and soft tissue defects at distal region of leg and foot by pedicled peroneus brevis muscle flaps and reverse island flaps with sural nerve and blood supplying vessels].

Objective: To observe the clinical effect of distally pedicled peroneus brevis muscle flaps and reverse island flaps with sural nerve and blood supplying vessels on repairing osteomyelitis and soft tissue defects at distal region of leg and foot.

Methods: Twelve patients with osteomyelitis and soft tissue defects at distal region of leg and foot hospitalized from March 2008 to December 2010. Among them, 7 patients suffered from acute or chronic osteomyelitis and soft tissue defects at the distal end of tibia, 1 patient suffered from chronic osteomyelitis and chronic ulcer in the posterior aspect of achilles tendon, 4 patients suffered from acute or chronic osteomyelitis, soft tissue defects, and exposure of internal fixator in the lateral aspect of calcaneus.

Effect of a combination of local flap and sequential compression-distraction osteogenesis in the reconstruction of post-traumatic tibial bone and soft tissue defects.

Background: Treatment of extensive post-traumatic composite bone and soft tissue defects remains a complicated therapeutic problem and a challenge for surgeons. We investigated the application of local flaps and Ilizarov osteogenesis in the reestablishment of severe combined defects of tibial bone and soft tissue.

Methods: Sixteen patients with bone and soft tissue defects were included.

Firework injuries at a major trauma and burn center: A five-year prospective study.

Background And Objective: In China, fireworks are an integral part of the celebration of the annual Spring Festival, but the number of injuries associated with their private use seen in emergency rooms increases dramatically. To raise awareness and help guide future prevention practices in this city, we investigated the epidemiology of firework-related injuries presented at our trauma and burn center in Beijing during the Spring Festivals of 2007-2011.

Methods: Patients were interviewed using a pre-coded questionnaire to elicit information regarding age, gender, causes, injured body part, type of injury, diagnosis, and disposition.

Association between DBH 19 bp insertion/deletion polymorphism and cognition in first-episode schizophrenic patients.

Many genes associated with dopamine (DA) and norepinephrine (NE) systems influence cognitive deficits of schizophrenia patients, but one key enzyme is dopamine beta-hydroxylase (DBH), which converts DA to NE and whose activity and levels are under strong genetic control. This study examines the association of the 19 bp insertion/deletion (Ins/Del) polymorphism in the 5' flank of the DBH gene with cognitive deficits in first-episode schizophrenic patients (FEP). We assessed the cognitive function in 195 FEP and 304 healthy controls using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS).

The application of distally pedicled peroneus brevis muscle flaps and retrograde neurocutaneous accompanying artery flaps for treatment of bony and soft-tissue 3-dimensional defects of the lower leg and foot.

To investigate the clinical effect of distally pedicled peroneus brevis muscle flaps and retrograde neurocutaneous flaps on treatment of bone and soft-tissue 3-dimensional defects of the lower leg and foot, the authors retrospectively studied all the patients admitted in their center in 3 consecutive years with bone and soft-tissue defects from March 2008 to February 2011; 21 patients suffering from traumatic and osteomyelitis were treated with peroneus brevis muscle flaps, for obliterating the hole-shaped bony defects after osteomyelitis debridement, and neurocutaneous flaps, for repairing associated soft-tissue defects. After thorough debridement, the average size of soft-tissue defects was 2 cm × 2 cm to 13 cm × 9 cm and that of bony defects was 2 cm × 2 cm × 2 cm to 6 cm × 3 cm × 3 cm. Neurocutaneous flaps completely survived in 20 cases, and the wounds healed at stage I; 1 case developed necrosis in the distal part of the peroneus brevis muscle flap and sural nerve flap, and the wound healed with a saphenous nerve flap.

[Repair of deep burn wound of neck with supraclavicular island flap].

Objective: To observe the therapeutic effect of supraclavicular island flap in repairing deep burn wound of neck.

Methods: Six patients with deep burn of neck hospitalized from January 2009 to June 2011 were enrolled in the study. Their total burn area ranged from 6% to 22% TBSA, of which full-thickness area ranged from 3% to 22% TBSA.

Epidemiology of 1974 burn patients at a major burn center in Beijing: a nine-year study.

To date, little epidemiological data are available on burns in China. This study describes the characteristics of burn patients admitted to a major burn center in Beijing to show trends in admission and outcomes in burned patients to share information about the current state of care for burned patients in our burn center. A retrospective study on 1974 burn patients admitted to Jishuitan Hospital in Beijing was conducted during the 9-year period from 2000 to 2008, and data were collected on age, gender, TBSA, etiology, length of hospital stay, mortality, and inhalation injury.

[Analysis of 59 cases of frostbite in plain region].

Objective: To retrospectively survey frostbite in patients living in plain regions, and to analyze the features of frostbite and the results after hospitalization.

Methods: Fifty-nine patients with frostbite, aged from 15 to 85 years admitted in Beijing Jishuitan Hospital from 1992 to 2007, were enrolled in this study. Occupation, cause of the injury, initial visit time, position and degree of depth (assessed according to the standard of burn injury) of frostbite, and amputation rate of patients were recorded and analyzed.