1.Textual Research and Clinical Application Analysis of Classic Formula Fangji Fulingtang
Xiaoyang TIAN ; Lyuyuan LIANG ; Mengting ZHAO ; Jialei CAO ; Lan LIU ; Keke LIU ; Bingqi WEI ; Yihan LI ; Jing TANG ; Yujie CHANG ; Jingwen LI ; Bingxiang MA ; Weili DANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(11):270-277
The classic formula Fangji Fulingtang is from ZHANG Zhongjing's Synopsis of the Golden Chamber in the Eastern Han dynasty. It is composed of Stephaniae Tetrandrae Radix, Astragali Radix, Cinnamomi Ramulus, Poria, and Glycyrrhizae Radix et Rhizoma, with the effects of reinforcing Qi and invigorating spleen, warming Yang and promoting urination. By a review of ancient medical books, this paper summarizes the composition, original plants, processing, dosage, decocting methods, indications and other key information of Fangji Fulingtang, aiming to provide a literature basis for the research, development, and clinical application of preparations based on this formula. Synonyms of Fangji Fulingtang exist in ancient medical books, while the formula composition in the Synopsis of the Golden Chamber is more widespread and far-reaching. In this formula, Stephaniae Tetrandrae Radix, Astragali Radix, Cinnamomi Ramulus, Poria, and Glycyrrhizae Radix et Rhizoma are the dried root of Stephania tetrandra, the dried root of Astragalus embranaceus var. mongholicus, the dried shoot of Cinnamomum cassia, the dried sclerotium of Poria cocos, and the dried root and rhizome of Glycyrrhiza uralensis, respectively. Fangji Fulingtang is mainly produced into powder, with the dosage and decocting method used in the past dynasties basically following the original formula. Each bag is composed of Stephaniae Tetrandrae Radix 13.80 g, Astragali Radix 13.80 g, Cinnamomi Ramulus 13.80 g, Poria 27.60 g, and Glycyrrhizae Radix et Rhizoma 9.20 g. The raw materials are purified, decocted in water from 1 200 mL to 400 mL, and the decoction should be taken warm, 3 times a day. Fangji Fulingtang was originally designed for treating skin edema, and then it was used to treat impediment in the Qing dynasty. In modern times, it is mostly used to treat musculoskeletal and connective tissue diseases and circulatory system diseases, demonstrating definite effects on various types of edema and heart failure. This paper clarifies the inheritance of Fangji Fulingtang and reveals its key information (attached to the end of this paper), aiming to provide a theoretical basis for the development of preparations based on this formula.
2.Textual Research and Clinical Application Analysis of Classic Formula Fangji Fulingtang
Xiaoyang TIAN ; Lyuyuan LIANG ; Mengting ZHAO ; Jialei CAO ; Lan LIU ; Keke LIU ; Bingqi WEI ; Yihan LI ; Jing TANG ; Yujie CHANG ; Jingwen LI ; Bingxiang MA ; Weili DANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(11):270-277
The classic formula Fangji Fulingtang is from ZHANG Zhongjing's Synopsis of the Golden Chamber in the Eastern Han dynasty. It is composed of Stephaniae Tetrandrae Radix, Astragali Radix, Cinnamomi Ramulus, Poria, and Glycyrrhizae Radix et Rhizoma, with the effects of reinforcing Qi and invigorating spleen, warming Yang and promoting urination. By a review of ancient medical books, this paper summarizes the composition, original plants, processing, dosage, decocting methods, indications and other key information of Fangji Fulingtang, aiming to provide a literature basis for the research, development, and clinical application of preparations based on this formula. Synonyms of Fangji Fulingtang exist in ancient medical books, while the formula composition in the Synopsis of the Golden Chamber is more widespread and far-reaching. In this formula, Stephaniae Tetrandrae Radix, Astragali Radix, Cinnamomi Ramulus, Poria, and Glycyrrhizae Radix et Rhizoma are the dried root of Stephania tetrandra, the dried root of Astragalus embranaceus var. mongholicus, the dried shoot of Cinnamomum cassia, the dried sclerotium of Poria cocos, and the dried root and rhizome of Glycyrrhiza uralensis, respectively. Fangji Fulingtang is mainly produced into powder, with the dosage and decocting method used in the past dynasties basically following the original formula. Each bag is composed of Stephaniae Tetrandrae Radix 13.80 g, Astragali Radix 13.80 g, Cinnamomi Ramulus 13.80 g, Poria 27.60 g, and Glycyrrhizae Radix et Rhizoma 9.20 g. The raw materials are purified, decocted in water from 1 200 mL to 400 mL, and the decoction should be taken warm, 3 times a day. Fangji Fulingtang was originally designed for treating skin edema, and then it was used to treat impediment in the Qing dynasty. In modern times, it is mostly used to treat musculoskeletal and connective tissue diseases and circulatory system diseases, demonstrating definite effects on various types of edema and heart failure. This paper clarifies the inheritance of Fangji Fulingtang and reveals its key information (attached to the end of this paper), aiming to provide a theoretical basis for the development of preparations based on this formula.
3.Clinical Observation of Modified Zhigancao Tang in Treating Patients with Liver and Kidney Deficiency of Parkinson's Disease and Its Effect on Neuronal Signal-related Proteins
Yifo WEI ; Furong LYU ; Jia YAO ; Guonian LI ; Xianyi LUO ; Meng LUO ; Zhengzheng WEN ; Qiuqi LI ; Yihan LIU ; Linlin YANG ; Rui ZUO ; Wenxin DANG ; Fang MI ; Xiaoyan WANG ; Zhigang CHEN ; Fan LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):166-173
ObjectiveMicrotube associated protein-2 (MAP-2), alpha-tubulin (α-tubulin), and synaptophysin (SYP) are important proteins in neuronal signal communication. This paper observed the effects of modified Zhigancao Tang on the expression of serum α-Synuclein (α-Syn) and its oligomers, MAP-2, α-tubulin, and SYP of patients with liver and kidney deficiency of Parkinson's disease (PD), analyzed their correlation, and evaluated the therapeutic effect of modified Zhigancao Tang in patients with liver and kidney deficiency of PD based on α-Syn transmission pathway mediated by neuronal communication in vivo. MethodsA total of 60 patients with PD who met the inclusion criteria were randomly divided into a treatment group (30 cases) and a control group (30 cases). Both groups were treated on the basis of PD medicine, and the treatment group was treated with modified Zhigancao Tang. Both groups were treated for 12 weeks. The changes in UPDRS score, TCM syndrome score, and expression of serum α-Syn and its oligomers, MAP-2, α-tubulin, and SYP were observed before and after 12 weeks of treatment in each group. The correlation between the above-mentioned serum biological indexes and the levels of serum α-Syn and its oligomers was analyzed. ResultsAfter treatment, the TCM syndrome score, UPDRS score, UPDRS-Ⅱ score, and UPDRS-Ⅲ score of the treatment group were significantly decreased (P<0.05, P<0.01). The UPDRS score, UPDRS-Ⅱ score, and UPDRS-Ⅲ scores in the treatment group were significantly decreased compared with those in the control group after treatment (P<0.05). After treatment, the total effective rate of the control group was 63.3% (19/30), and that of the treatment group was 86.7% (26/30). The clinical effect of the observation group was better than the control group (Z=-2.03, P<0.05). The total effective rate of the observation group was better than that of the control group, and the difference was statistically significant (χ2=5.136, P<0.05). After treatment, the oligomer level of serum α-Syn and MAP-2 level in the treatment group were significantly decreased (P<0.05, P<0.01). The levels of serum α-Syn and its oligomers, as well as α-tubulin in the treatment group, were significantly decreased compared with those in the control group after treatment (P<0.05, P<0.01). Serum α-Syn was correlated with serum MAP-2 and α-Syn oligomer in patients with PD (P<0.05, P<0.01) but not correlated with serum SYP . Serum α-Syn oligomers of patients with PD were correlated with serum MAP-2 and α-tubulin (P<0.05, P<0.01) but not correlated with serum SYP level. Serum SYP of patients with PD was correlated with serum MAP-2 (P<0.05). ConclusionModified Zhigancao Tang has a therapeutic effect on patients with liver and kidney deficiency of PD by inhibiting the production of α-Syn oligomers and intervening α-Syn microtubule transport pathway in vivo.
4.Textual Research on Historic Evolution and Ancient and Modern Application of Classic Prescription Huangqintang
Yuxin LI ; Lyuyuan LIANG ; Jialei CAO ; Tongyi HUANG ; Hejia WAN ; Bingqi WEI ; Mengting ZHAO ; Xiaoyang TIAN ; Bingxiang MA ; Weili DANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):184-191
Huangqintang, with its accurate efficacy, is a classic formula specialized in treating dysentery recommended and promoted by medical experts from successive generations, and it was included in the Catalogue of Ancient Classic Prescriptions (the Second Batch, Han Chinese medicine prescriptions) published by the National Administration of Traditional Chinses Medicine (TCM) in 2023. The method of bibliometrics was applied in this study to conduct textual research on the classic formula Huangqintang and provide a literature reference for the development of modern preparations of Huangqintang. A total of 2 026 pieces of ancient literature were searched with "Huangqintang" as the key word, and 23 pieces of effective data were selected, involving 15 ancient TCM books. The historic evolution, composition, dosage, origin, processing methods, preparation and decocting methods, efficiency, and application of Huangqintang were carefully reviewed. The results showed that Huangqintang was first recorded in the Treatise on Febrile Diseases written by ZHANG Zhongjing. It has the effect of clearing heat, stopping dysentery, regulating the middle, and downbearing counterflow and has become one of the classic formulas widely used in clinical practice. Because of its accurate efficacy, medical experts from later generations have modified it from its original composition. Though many prescriptions have different names, it is the manifestation of physicians' inheritance and development of the thought of ZHANG Zhongjing. Ancient literature showed this prescription had wide indications yet centered on digestive system diseases such as dysentery and abdominal pain. Modern applications of Huangqintang involve digestive, respiratory, ophthalmology and otolaryngology, gynecological, skin, musculoskeletal system, and connective tissue, and this prescription has great potential in treating ulcerative colitis, diarrhea, acute enteritis, and damp-heat dysentery. Through a systematic textual excavation and review of the ancient literature about Huangqintang, the paper has confirmed its key information, so as to provide a scientific basis for the clinical application and new drug development of classic formulas.
5.Modified Lianpoyin Formula Treats Hp-associated Gastritis by Regulating Mitochondrial Autophagy and NLRP3 Inflammasome Signaling Pathway
Siyi ZHANG ; Haopeng DANG ; Wenliang LYU ; Wentao ZHOU ; Wei GUO ; Lin LIU ; Lan ZENG ; Yujie SUN ; Luming LIANG ; Yi ZHAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(21):178-187
ObjectiveTo explore the effect of modified Lianpoyin formula (LPYJWF) in the treatment of Helicobacter pylori (Hp)-associated gastric mucosal damage based on mitochondrial autophagy and NLRP3 inflammasome signaling pathway. MethodsA total of 60 eight-week-old Balb/c male mice were assigned via the random number table method into control, model, high-dose LPYJWF (LPYJWF-H, 27.3 g·kg-1·d-1), medium-dose LPYJWF (LPYJWF-M, 13.65 g·kg-1·d-1), low-dose LPYJWF (LPYJWF-L, 6.83 g·kg-1·d-1), and quadruple therapy groups. Except the control group, other groups were modeled for Hp infection. Mice were administrated with LPYJWF at corresponding doses by gavage. Quadruple therapy group was given omeprazole (6.06 mg·kg-1·d-1) + amoxicillin (303 mg·kg-1·d-1) + clarithromycin (151.67 mg·kg-1·d-1) + colloidal pectin capsules (30.3 mg·kg-1·d-1) by gavage. The control group was given an equal volume of 0.9% NaCl for 14 days. Hematoxylin-eosin (HE) staining was used to observe the pathological changes of gastric mucosa, and Warthin-Starry (W-S) silver staining was used to detect Hp colonization. Transmission electron microscopy was employed to observe the mitochondrial ultrastructure of the gastric tissue, and immunofluorescence co-localization assay was adopted to detect the expression of mitochondrial transcription factor A (TFAM) and translocase of the outer mitochondrial membrane member 20 (TOMM20). The water-soluble tetrazolium salt method and thiobarbituric acid method were used to determine the levels of superoxide dismutase (SOD) and malondialdehyde (MDA), respectively, in the gastric tissue. Western blot was employed to measure the protein levels of PTEN-induced kinase 1 (PINK1), Parkin, p62, microtubule-associated protein 1 light chain 3 (LC3), NOD-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein containing a CARD (ASC), interleukin-1β (IL-1β), and interleukin-18 (IL-18). Real-time quantitative PCR was employed to assess the mRNA levels of PINK1, Parkin, p62, and LC3. ResultsCompared with the control group, the model group presented obvious gastric mucosal damage, colonization of a large number of Hp, severe mitochondrial damage, vacuolated structures due to excessive autophagy, reduced TOMM20 and TFAM co-expression in the gastric mucosal tissue, and reduced SOD and increased MDA (P<0.01). In addition, the gastric tissue in the model group showed up-regulated protein and mRNA levels of PINK1, Parkin, and LC3 and down-regulated protein and mRNA levels of p62 (P<0.01, as well as increased expression of inflammasome-associated proteins NLRP3, ASC, IL-1β, and IL-18 (P<0.01). Compared with the model group, the LPYJWF and quadruple therapy groups showed alleviated pathological damage of gastric mucosa, reduced Hp colonization, mitigated mitochondrial damage, and increased co-expression of TOMM20 and TFAM. The SOD level was elevated in the LPYJWF-L group (P<0.01), and the MDA levels became lowered in the LPYJWF and quadruple therapy groups (P<0.05, P<0.01). Furthermore, the LPYJWF and quadruple therapy groups showed down-regulated mRNA levels of PINK1, Parkin, and LC3 and protein levels of PINK1 and Parkin, and up-regulated mRNA level of p62 (P<0.01). The LPYJWF-M, LPYJWF-H, and quadruple therapy groups showcased down-regulated LC3 Ⅱ/LC3 Ⅰ level (P<0.05, P<0.01) and up-regulated protein level of p62 (P<0.01). The expression of inflammasome-associated proteins NLRP3, ASC, IL-1β, and IL-18 were reduced in the LPYJWF and quadruple therapy groups (P<0.05, P<0.01). ConclusionLPYJWF ameliorates gastric mucosal damage and exerts mucosa-protective effects in Hp-infected mice, which may be related to the inhibition of excessive mitochondrial autophagy, thereby inhibiting the activation of the NLRP3 inflammasome pathway.
6.Modified Lianpoyin Formula Treats Hp-associated Gastritis by Regulating Mitochondrial Autophagy and NLRP3 Inflammasome Signaling Pathway
Siyi ZHANG ; Haopeng DANG ; Wenliang LYU ; Wentao ZHOU ; Wei GUO ; Lin LIU ; Lan ZENG ; Yujie SUN ; Luming LIANG ; Yi ZHAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(21):178-187
ObjectiveTo explore the effect of modified Lianpoyin formula (LPYJWF) in the treatment of Helicobacter pylori (Hp)-associated gastric mucosal damage based on mitochondrial autophagy and NLRP3 inflammasome signaling pathway. MethodsA total of 60 eight-week-old Balb/c male mice were assigned via the random number table method into control, model, high-dose LPYJWF (LPYJWF-H, 27.3 g·kg-1·d-1), medium-dose LPYJWF (LPYJWF-M, 13.65 g·kg-1·d-1), low-dose LPYJWF (LPYJWF-L, 6.83 g·kg-1·d-1), and quadruple therapy groups. Except the control group, other groups were modeled for Hp infection. Mice were administrated with LPYJWF at corresponding doses by gavage. Quadruple therapy group was given omeprazole (6.06 mg·kg-1·d-1) + amoxicillin (303 mg·kg-1·d-1) + clarithromycin (151.67 mg·kg-1·d-1) + colloidal pectin capsules (30.3 mg·kg-1·d-1) by gavage. The control group was given an equal volume of 0.9% NaCl for 14 days. Hematoxylin-eosin (HE) staining was used to observe the pathological changes of gastric mucosa, and Warthin-Starry (W-S) silver staining was used to detect Hp colonization. Transmission electron microscopy was employed to observe the mitochondrial ultrastructure of the gastric tissue, and immunofluorescence co-localization assay was adopted to detect the expression of mitochondrial transcription factor A (TFAM) and translocase of the outer mitochondrial membrane member 20 (TOMM20). The water-soluble tetrazolium salt method and thiobarbituric acid method were used to determine the levels of superoxide dismutase (SOD) and malondialdehyde (MDA), respectively, in the gastric tissue. Western blot was employed to measure the protein levels of PTEN-induced kinase 1 (PINK1), Parkin, p62, microtubule-associated protein 1 light chain 3 (LC3), NOD-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein containing a CARD (ASC), interleukin-1β (IL-1β), and interleukin-18 (IL-18). Real-time quantitative PCR was employed to assess the mRNA levels of PINK1, Parkin, p62, and LC3. ResultsCompared with the control group, the model group presented obvious gastric mucosal damage, colonization of a large number of Hp, severe mitochondrial damage, vacuolated structures due to excessive autophagy, reduced TOMM20 and TFAM co-expression in the gastric mucosal tissue, and reduced SOD and increased MDA (P<0.01). In addition, the gastric tissue in the model group showed up-regulated protein and mRNA levels of PINK1, Parkin, and LC3 and down-regulated protein and mRNA levels of p62 (P<0.01, as well as increased expression of inflammasome-associated proteins NLRP3, ASC, IL-1β, and IL-18 (P<0.01). Compared with the model group, the LPYJWF and quadruple therapy groups showed alleviated pathological damage of gastric mucosa, reduced Hp colonization, mitigated mitochondrial damage, and increased co-expression of TOMM20 and TFAM. The SOD level was elevated in the LPYJWF-L group (P<0.01), and the MDA levels became lowered in the LPYJWF and quadruple therapy groups (P<0.05, P<0.01). Furthermore, the LPYJWF and quadruple therapy groups showed down-regulated mRNA levels of PINK1, Parkin, and LC3 and protein levels of PINK1 and Parkin, and up-regulated mRNA level of p62 (P<0.01). The LPYJWF-M, LPYJWF-H, and quadruple therapy groups showcased down-regulated LC3 Ⅱ/LC3 Ⅰ level (P<0.05, P<0.01) and up-regulated protein level of p62 (P<0.01). The expression of inflammasome-associated proteins NLRP3, ASC, IL-1β, and IL-18 were reduced in the LPYJWF and quadruple therapy groups (P<0.05, P<0.01). ConclusionLPYJWF ameliorates gastric mucosal damage and exerts mucosa-protective effects in Hp-infected mice, which may be related to the inhibition of excessive mitochondrial autophagy, thereby inhibiting the activation of the NLRP3 inflammasome pathway.
7.Application of 5E nursing guided by empowerment theory in patients undergoing liver cancer resection
Yufen ZHENG ; Junli DANG ; Qiaoyun WEI ; Xiaohong XUE
Chinese Journal of Modern Nursing 2024;30(2):238-242
Objective:To explore the application effect of 5E nursing guided by empowerment theory in patients undergoing liver cancer resection.Methods:Using the purposive sampling method, a total of 88 patients who underwent liver cancer resection surgery in Zhumadian Central Hospital from July 2020 to July 2022 were selected as the research objects. They were divided into the control group ( n=44) and the observation group ( n=44) by the random number table method. The control group was given 5E nursing, while the observation group was given 5E nursing guided by empowerment theory. The improvement of gastrointestinal function between the two groups was compared by the first anal defecation time, the first anal exhaust time and the recovery time of bowel sound. Visual Analogue Scale (VAS) was used to evaluate postoperative pain, General Self-Efficacy Scale (GSES) was used to evaluate self-efficacy, and hope level was assessed by Herth Hope Index (HHI). After treatment, the compliance and occurrence of digestive tract discomfort were compared between the two groups. Results:The first anal defecation time, first anal exhaust time and bowel sound recovery time in observation group were less than those in control group ( P<0.05). Postoperative pain score of observation group was lower than that of control group 48 hours after operation ( P<0.05). After nursing, the GSES, HHI and compliance scores of the observation group were higher than those of the control group ( P<0.05), and the incidence of gastrointestinal discomfort symptoms in the observation group was lower than that in the control group ( P<0.05) . Conclusions:The 5E nursing guided by empowerment theory can effectively improve the compliance, self-efficacy and hope level of liver cancer resection patients, reduce pain, promote postoperative recovery and reduce the incidence of gastrointestinal discomfort symptoms.
8.Review of TiRobot orthopedic surgery robot applied in traumatic orthopaedics
Shen LIU ; Tong-Hao LEI ; Feng GU ; Xiang-Dang LIANG ; Xing WEI ; Yong-Hui LIANG
Chinese Medical Equipment Journal 2024;45(5):104-110
The composition and characteristics of TiRobot orthopaedic surgery robot were introduced,and its application in treating traumas was reviewed such as pelvic fracture,acetabular fracture,femoral neck fracture,intertrochanteric fracture,Achilles fracture and navicular fracture.The advantages and disadvantages of TiRobot orthopaedic surgery robot were analyzed when used in the field of traumatic orthopaedics.It's pointed out TiRobot orthopaedic surgery robot be optimized in terms of the existing technical shortcomings and application cost to promote its wide application in the field of traumatic orthopaedics.[Chinese Medical Equipment Journal,2024,45(5):104-110]
9.Effct of Esomeprazole on Acetaminophen Pharmacokinetics and Intestinal Microbial Balance
Ru JIA ; Yifan WANG ; Wenhua CHEN ; Wenping ZHANG ; Shaolong HE ; Hongwan DANG ; Shijie WEI
Herald of Medicine 2024;43(6):862-866
Objective To explore esomeprazole(EMZ)on acetaminophen(APAP)pharmacokinetics and intestinal microbial balance.Methods A total of 14 rats were randomly allocated into two groups,with 7 rats in each group:acetaminophen group(APAP group),and acetaminophen+esomeprazole combination group(APAP+EMZ group),respectively.Rats in the combination group were fed in the metabolic cage.Equivalent 3.6 mg·kg-1·d-1 esomeprazole was administered intragastrically to the combination group for 14 days;Similarly,an equal volume of 0.9%sodium chloride soution(NaCl)was fed to the APAP group for 14 days.During this period,fecal samples were collected from the rats before and after 14 days of EMZ administration for microbial 16S rRNA sequencing.On the 15th day,both the APAP group and APAP+EMZ groups were administratered an equivalent of 44.82 mg·kg-1 APAP by the same method after the regular EMZ administration.The concentrations of APAP in rat plasma were determined by the UPLC-MS/MS method.Main pharmacokinetic parameters were processed and compared using the software DAS 3.0.1 and SPSS 24.0.Results The pharmacokinetic parameter Cmax of APAP was significantly different between APAP group and APAP+EMZ group(P<0.05).Compared with APAP group,Cmax increased by 120.38%in the APAP+EMZ group.The pharmacokinetic parameters(AUC(0-∞)、CL、t 1/2、tmax)of APAP showed no statistical differences between APAP group and APAP+EMZ group(P>0.05).The results of 16SrRNA of intestinal flora showed that the abundance of Lactobacillus,Bacteroides,Clostridium,and Escherichia decreased compared with that before drug administration,while the abundance of Bifidobacterium increased.However,the relative abundance of the above flora showed no prominent differences before and after the EMZ intervention(P>0.05).Conclusions This study showed that when combining EMZ with APAP,the relative abundance of those related flora,which may influence the β-Glucuronidase,all changed to some extent,but made no difference in statistics.The effect of EMZ on the Cmax of APAP was statistically significant.However,the use of EMZ for two weeks did not alter the other pharmacokinetics of APAP by affecting the gut microbiota.
10.Medical emergency support for the snowboarding project during the Beijing Winter Olympics
Yong MA ; Chang DU ; Wei GUO ; Jihong ZHU ; Fengxue ZHU ; Yu DANG ; Peng GUO
Journal of Peking University(Health Sciences) 2024;56(2):313-317
Objective:To analyze and summarize the medical security situation of the snowmobile,sled,and steel frame snowmobile tracks at the National Sliding Centre,and to provide experience for future event hosting and medical security work for mass ice and snow sports.Methods:Retrospective analysis of injuries and treatment of athletes participating in the International Training Week and World Cup for Ski,Sled,and Steel Frame Ski from October to November 2021(hereinafter referred to as"Inter-national Training Week"),as well as the Ski,Sled,and Steel Frame Ski events at the Beijing Winter Olympics in February 2022(hereinafter referred to as the"Beijing Winter Olympics").We referred to and drew on the"Medical Security Standards for Winter Snow Sports"to develop specific classification standards for analyzing injured areas,types of injuries,and accident locations.Results:A total of 743 athletes participated in the International Training Week and the Beijing Winter Olympics.During the com-petition,there were 58 incidents of overturning,prying,and collision,of which 28(28 athletes)were in-jured,accounting for 48.3%of the total accidents and 3.8%of the total number of athletes.Among them,there were 9 males(32.1%)and 19 females(67.9%),with an average age of(26.3±4.7)years.Among the 28 injured athletes,20 cases(71.4%)received on-site treatment for Class Ⅰ injuries,while 8 cases(28.6%)had more severe injuries,including Class Ⅱ injuries(7 cases)and Class Ⅲ injuries(1 case),which were referred to designated hospitals for further treatment.Among the 28 injured athletes,3 cases(10.7%)experienced multiple injuries,including 2 cases of 2 injuries and 1 case of 3 injuries.The most common injuries were in the ankle and toes(10/32,31.3%).Out of 28 injured athletes,one(3.6%)experienced two types of injuries simultaneously,with joint and/or ligament injuries being the most common(11/29,37.9%).The most accident prone point on the track was the ninth curve(18/58,31.0%).Conclusion:Through the analysis and summary of medical security work,it can provide better experience and reference for the future development of snowmobile,sled,and steel frame snowmobile sports in China,making the National Snowy and Ski Center truly a sustainable Olympic heritage.

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