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Chinese Journal of Trauma ; (12): 97-106, 2023.
Article in Chinese | WPRIM | ID: wpr-992577


During coronavirus disease 2019 epidemic, the treatment of severe trauma has been impacted. The Consensus on emergency surgery and infection prevention and control for severe trauma patients with 2019 novel corona virus pneumonia was published online on February 12, 2020, providing a strong guidance for the emergency treatment of severe trauma and the self-protection of medical staffs in the early stage of the epidemic. With the Joint Prevention and Control Mechanism of the State Council renaming "novel coronavirus pneumonia" to "novel coronavirus infection" and the infection being managed with measures against class B infectious diseases since January 8, 2023, the consensus published in 2020 is no longer applicable to the emergency treatment of severe trauma in the new stage of epidemic prevention and control. In this context, led by the Chinese Traumatology Association, Chinese Trauma Surgeon Association, Trauma Medicine Branch of Chinese International Exchange and Promotive Association for Medical and Health Care, and Editorial Board of Chinese Journal of Traumatology, the Chinese expert consensus on emergency surgery for severe trauma and infection prevention during coronavirus disease 2019 epidemic ( version 2023) is formulated to ensure the effectiveness and safety in the treatment of severe trauma in the new stage. Based on the policy of the Joint Prevention and Control Mechanism of the State Council and by using evidence-based medical evidence as well as Delphi expert consultation and voting, 16 recommendations are put forward from the four aspects of the related definitions, infection prevention, preoperative assessment and preparation, emergency operation and postoperative management, hoping to provide a reference for severe trauma care in the new stage of the epidemic prevention and control.

Chinese Journal of Trauma ; (12): 865-875, 2021.
Article in Chinese | WPRIM | ID: wpr-909950


Traumatic rib fractures are the most common injury in thoracic trauma. Previously,the patients with traumatic rib fractures were mostly treated non-surgically,of which 50%,especially those combined with flail chest presented chronic pain or chest wall deformities and over 30% had long-term disabilities,being unable to retain a full-time job. In the past two decades,thanks to the development of internal fixation material technology,the surgical treatment of rib fractures has achieved good outcomes. However,there are still some problems in clinical treatment,including inconsistency in surgical treatment and quality control in medical services. The current consensuses on the management of regional traumatic rib fractures published at home and abroad mainly focus on the guidance of the overall treatment decisions and plans,and relevant clinical guidelines abroad lacks progress in surgical treatment of rib fractures in recent years. Therefore,the Chinese Society of Traumatology affiliated to Chinese Medical Association and Chinese College of Trauma Surgeons affiliated to Chinese Medical Doctor Association,in conjunction with national multidisciplinary experts,formulate the Chinese Consensus for Surgical Treatment of Traumatic Rib Fractures(2021)following the principle of evidence-based medicine,scientific nature and practicality. This expert consensus puts forward some clear,applicable,and graded recommendations from aspects of preoperative imaging evaluation,surgical indications,timing of surgery,surgical methods,rib fracture sites for surgical fixation,internal fixation methods and material selections,treatment of combined injuries in rib fractures,in order to provide references for surgical treatment of traumatic rib fractures.

Chinese Journal of Neurology ; (12): 379-383, 2011.
Article in Chinese | WPRIM | ID: wpr-412540


Objective To explore the influence of plasma matrix metalloproteinase-7 ( MMP-7 ) levels and genetic polymorphism of MMP-7 - 181 A/G on the stability of carotid plaque.Method According to carotid ultrasound examination, 503 patients with carotid atherosclerotic lesions were consecutively recruited and divided into vulnerable plaque group (n = 118) and stable plaque group (n = 385).Plasma MMP-7 levels were measured by enzyme-linked immunosorbent assay (ELISA), and MMP-7 -181 A/G genotypes were determined by polymerase chain reaction-restiction fragment length polymorphism (PCR-RFLP).Results Plasma MMP-7 levels in carotid vulnerable plaque group were significantly enhanced as compared to stable plaque group (t =5.49, P =0.00).The frequency of MMP-7 -181G allele in vulnerable plaque group was significantly higher than that in stable plaque group (11.4% vs 7.0% ,χ2 = 4.78, P= 0.029).Compared to AA genotype, the genotypes with - 181G allele (AG + GG) significantly increased susceptibility to carotid vulnerable plaque ( χ2 = 5.01, OR = 1.81, P = 0.025 ) .When further analyzing the relationship between genotype and plasma MMP-7 levels, no significant differences of plasma MMP-7 levels were observed between AA genotype and AG + GG genotype in stable plaque group.However, in vulnerable plaque group, plasma MMP-7 levels of AG + GG genotype were significantly higher than that of AA genotype( t = 2.62, P = 0.01).Conclusion The present findings suggest that plasma MMP-7 level may be a biomarker for carotid vulnerable plaque.Genetic polymorphism of - 181 A/G in MMP-7 promoter may affect the expression of MMP-7, and seems to be implicated in susceptibility to carotid vulnerable plaque.