1.A nomogram for predicting residual back pain after percutaneous vertebroplasty for osteoporotic vertebral compres-sion fractures
Jun-Ke LI ; Xu-Bin MA ; Liang LI ; Qing MA ; Xu-Dong WANG
China Journal of Orthopaedics and Traumatology 2024;37(6):553-559
Objective To construct percutaneous vertebroplasty for predicting osteoporotic vertebral compression fractures(OVCFs)nomogram of residual back pain(RBP)after percutaneous vertebroplasty(PVP).Methods Clinical data of 245 OVCFs patients who were performed PVP from January 2020 to December 2022 were retrospectively analyzed,including 47 males and 198 females,aged from 65 to 77 years old with an average of(71.47±9.03)years old,and were divided into RBP group and non-RBP group according to whether RBP occurred.Gender,age,comorbidities,fracture stage,body mass index(BMI),bone mineral density(BMD),visual analogue scale(VAS),Oswestry disability index(ODI)and other general infor-mation were collected;anterior vertebral height(AVH),anterior vertebral height ratio(AVH),anterior vertebral height ratio(AVHR),Cobb angle,intravertebral vacuum cleft(IVC),thoracolumbar fascia(TLF)injury,paravertebral muscle steatosis,injection volume and leakage of bone cement,bone cement dispersion pattern,anterior vertebral height recovery ratio(AVHRR),Cobb angle changes,etc.imaging parameters before operation and 24 h after operation were collected.Univariate analysis was performed to analysis above factors,and multivariate Logistic regression model was used to investigate indepen-dent risk factors for postoperative RBP,and Nomogram model was constructed and verified;receiver operating characteristic(ROC)curve and calibration curve were used to determine predictive performance and accuracy of the model,and Hosmer-Lemeshow(H-L)test was used for evaluation.The area under curve(AUC)of ROC was calculated,and Harrell consistency index(C index)was used to evaluate the predictive efficiency of model;decision curve analysis(DCA)was used to evaluate clinical practicability of model.Results There were 34 patients in RBP group and 211 patients in non-RBP group.There were no significant differences in gender,age,comorbidities,fracture stage,BMI,BMD,VAS,ODI,AVH,AVHR and Cobb angle be-tween two groups(P>0.05).Univariate analysis showed 6 patients occurred IVC in RBP group and 13 patients in non-RBP,the number of IVC in RBP group was higher than that in non-RBP group(x2=5.400,P=0.020);6 patients occuured TLF injury in RBP group and 11 patients in non-RBP group,the number of TLF injury in RBP group was higher than that in non-RBP group(x2=7.011,P=0.008);In RBP group,18 patients with grade 3 to 4 paraptebral steatosis and 41 patients in non-RBP group,RBP group was higher than non-RBP group(x2=21.618,P<0.001),and the proportion of bone cement mass in RBP group was higher than non-RBP group(x2=6.836,P=0.009).Multivariate Logistic regression analysis showed IVC(x2=4.974,P=0.025),TLF in-jury(x2=5.231,P=0.023),Goutallier grade of paravertebral steatosis>2(x2=15.124,P<0.001)and proportion of bone cement(x 2=4.168,P=0.038)were independent risk factors for RBP after PVP.ROC curve of model showed AUC of original model was 0.816[OR=2.862,95%CI(0.776,0.894),P<0.001].The internal verification of model through 200 bootstrap samples showed the value of C index was 0.936,and calibration curve showed predicted probability curve was close to actual probability curve.H-L goodness of fit test results were x2=5.796,P=0.670.DCA analysis results showed the decision curve was above None line and All line when the threshold value ranged from 6%to 71%.Conclusion IVC,TLF combined injury,paravertebral muscle steatosis with Goutallier grade>2,and bone cement diffusion with mass type are independent risk factors for RBP after PVP.The risk prediction model for RBP after PVP established has good predictive performance and good clinical practicability.
2.Evaluation of anesthetic effect of remazolam when combined with sufentanil in elderly patients with liver cirrhosis and esophageal and gastric varices undergoing endoscopic sclerotherapy
Dong HUANG ; Liang MA ; Zeyu JIANG ; Jiang SHEN ; Qingrong XU
Chinese Journal of Anesthesiology 2024;44(5):579-583
Objective:To evaluate the anesthetic effect of remazolam when combined with sufentanil in elderly patients with liver cirrhosis and esophageal and gastric varices undergoing endoscopic sclerotherapy.Methods:A total of 150 cirrhotic patients with liver cirrhosis and esophageal and gastric varices, regardless of gender, aged 65-80 yr, with body mass index of 18-24 kg/m 2, of American Society of Anesthesiologists Physical Status classification Ⅱor Ⅲ, who underwent endoscopic sclerotherapy under non-intubated general anesthesia from March 2022 to September 2023 in our hospital, were selected and divided into 2 groups ( n=75 each) by a random number table method: sufentanil plus propofol group (PS group) and sufentanil plus remazolam group (RS group). Anesthesia was induced with intravenous propofol 1-2 mg/kg and sufentanil 0.1 μg/kg and maintained by intravenous infusion of propofol 4-10 mg·kg -1·h -1 in PS group. Anesthesia was induced with intravenous remimazolam 0.1-0.2 mg/kg and sufentanil 0.1 μg/kg and was maintained with intravenous infusion of remimazolam 0.5-2.0 mg·kg -1·h -1 in RS group. BIS values were maintained between 40 and 60 during operation in both groups. Endoscopy was placed when the patients lost consciousness (modified observer′s assessment of alertness/sedation score ≤1). Sclerosing agent laurosinol injection was injected into esophageal submucosal varices in both groups. The time to loss of consciousness and recovery of consciousness, intraoperative body movement and cardiovascular events, and postoperative hypoxemia and nausea and vomiting were recorded. The operator-patient satisfaction was assessed by the visual analogue scale. Results:Compared with PS group, no significant changes were found in the incidence of intraoperative bradycardia, time to loss of consciousness and time to recovery of consciousness( P>0.05), the incidence of intraoperative hypotension was significantly decreased, the incidence of postoperative hypoxemia and nausea and vomiting was decreased, and the satisfaction scores for operators and patients were increased in RS group ( P<0.05). No obvious body movement was found in the two groups. Conclusions:Sufentanil combined with remifentanil provides better anesthetic effect than sufentanil combined with propofol in elderly patients with esophageal and gastric varices undergoing endoscopic sclerotherapy.
3.Clinical study of exercise-based acupuncture for motor dysfunction after ischemic stroke
Liang ZHOU ; Shuang MA ; Peifeng ZHENG ; Yi LI ; Guirong DONG ; Chunling BAO ; Bangyou DING ; Hongsheng DONG ; Jue HONG
Journal of Acupuncture and Tuina Science 2024;22(3):223-231
Objective:To observe the clinical efficacy of exercise-based acupuncture in treating ischemic stroke and its effects in improving the patient's motor function and daily living ability. Methods:A total of 106 patients with motor dysfunction due to cerebral infarction were randomized into a trial group and a control group,each consisting of 53 cases.Both groups received conventional rehabilitation;in addition,the control group was given point-toward-point acupuncture at scalp points,and the trial group was offered exercise-based acupuncture,3 times weekly for 4 consecutive weeks.Before treatment,after 2 and 4 weeks of treatment,and at the 2-month follow-up,the Fugl-Meyer assessment(FMA)scale,Lovett scale for muscle strength,modified Ashworth scale(MAS),and activities of daily living(ADL)scale were used to assess the patient's motor function,muscle strength,muscle tension,and daily living ability. Results:After treatment,both groups gained improvements in motor function and daily living ability;after 4-week treatment and at the 2-month follow-up,the trial group had higher FMA and ADL scores than the control group(P<0.05).The MAS score decreased after treatment in both groups;after 2 and 4 weeks of treatment and at the 2-month follow-up,the MAS score was lower in the trial group than in the control group(P<0.05).After the intervention,the Lovett score increased in both groups;after 4 weeks of treatment,the Lovett score was higher in the trial group than in the control group(P<0.05). Conclusion:Based on routine rehabilitation,exercise-based acupuncture and scalp point-toward-point acupuncture both can improve the motor function and daily living ability in ischemic stroke patients;exercise-based acupuncture performs better than scalp point-toward-point acupuncture.
4.Clinical application effect of bypass vein bridging in repairing high-voltage electric burn wounds on the head with free anterolateral thigh flaps
Peipeng XING ; Jidong XUE ; Haina GUO ; Chao MA ; Xiaokai ZHAO ; Zhanling LIANG ; Guoyun DONG ; Haiping DI ; Chengde XIA
Chinese Journal of Burns 2024;40(8):725-731
Objective:To investigate the clinical application effect of bypass vein bridging in repairing high-voltage electric burn wounds on the head with free anterolateral thigh flaps.Methods:This study was a retrospective observational study. From May 2017 to December 2022, 8 patients with high-voltage electric burns on the head who met the inclusion criteria were admitted to Zhengzhou First People's Hospital, including 6 males and 2 females, aged 33 to 73 years. All patients had skull exposure, including 3 cases of large skull defect, 1 case of left eye necrosis, and 3 cases of cerebral hemorrhage. After debridement, the head wound area was from 13 cm×7 cm to 21 cm×15 cm, and the free anterolateral thigh flap with the area of 14 cm×8 cm to 22 cm×16 cm was cut for repair. The main descending branch of the lateral circumflex femoral artery carried by the flap was anastomosed end-to-end with the superficial temporal artery in the recipient area. One accompanying vein of the anastomotic artery of the flap was end-to-end anastomosed with the branch of the external jugular vein via great saphenous vein bridging, and the other accompanying vein was end-to-end anastomosed with the superficial temporal vein in the recipient area. The donor site wounds were directly sutured or closed with medium-thickness skin grafts from inner thigh. The blood supply and survival of the flap, and the wound healing on the head were observed after operation. The blood flow and lumen filling of the transplanted vein were observed and recorded by using color ultrasound diagnostic system within 2 weeks after operation. The wound repair method and wound healing of the flap donor site were recorded and observed. Patients were followed up to observe the appearance of the flaps and the flap donor sites, the muscle strength of the lower limbs where the flap donor site was located, and whether the patient could complete standing, walking, and squatting using the lower limbs where the flap donor site was located.Results:The flaps of 8 patients survived after operation, and no arterial or venous crisis occurred. The wounds of 5 patients on the head healed after operation, and the wounds of 3 patients on the head healed after second debridement 21 to 35 days after operation due to exudates under the flap 2 weeks after operation. Within 2 weeks after operation, the grafted vein continued to be unobstructed. After the ultrasound probe was pressurized, the grafted vein could be deflated, and the blood vessels were rapidly filled after the probe was released. The wounds of flap donor sites of 3 patients were directly sutured and healed 2 weeks after operation. The wounds of flap donor sites of 5 patients were closed with medium-thickness skin grafts from inner thigh, and all the skin grafts survived 12 days after operation. During follow-up of 6 to 12 months, the head flaps of all patients were slightly bloated without hair growth. Mild linear or patchy scar hyperplasia was left in the donor site. The muscle strength of the lower limbs where the flap donor site was located was normal and did not decrease. The patients could stand, walk, and squat with the lower limbs where the flap donor site was located.Conclusions:When using the free anterolateral thigh flap to repair high-voltage electric burn wounds of various areas and depths on the head, bypass vein bridging can reduce the occurrence of postoperative flap vein crisis and improve the quality of postoperative wound healing without affecting the function of the lower limbs where the flap donor site is located.
5.Establishment of evaluation index system for hospital accreditation data quality based on analytic hier-archy process
Jingyuan XIN ; Yuan YANG ; Wanli MA ; Peifeng LIANG ; Dong ZHU ; Ping SHEN ; Zeqin ZHANG
Modern Hospital 2024;24(8):1182-1185
Objective To establish an index system for assessing the quality of hospital accreditation data and determine the hierarchical weights of indices at different levels,providing a reference for enhancing the governance of such data.Methods A quality assessment system for hospital accreditation data was developed using literature analysis method and Delphi method.The analytic hierarchy process was employed to create a pairwise comparison judgment matrix to determine the weights of indices.Results An evaluation system was constructed with the following levels:"Indicator Screening Quality-Data Reporting Quality-Data Quality Control Quality-Data On-Site Verification Quality."The system includes 4 first-level indicators and 18 second-level indicators.The indicator with the highest weight among the first-level indicators was Data Reporting Quality(0.496 5),followed by Data Quality Control Quality(0.313 2).Among the second-level indicators,Timeliness(0.428 6)and Cooperation(0.428 6)had the highest weights.Conclusion The establishment of the quality evaluation system of hospital accreditation da-ta is a strategy to optimize the control of hospital accreditation data quality and is beneficial for continuous improvement of hospital accreditation data quality.
6.Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients (version 2024)
Yao LU ; Yang LI ; Leiying ZHANG ; Hao TANG ; Huidan JING ; Yaoli WANG ; Xiangzhi JIA ; Li BA ; Maohong BIAN ; Dan CAI ; Hui CAI ; Xiaohong CAI ; Zhanshan ZHA ; Bingyu CHEN ; Daqing CHEN ; Feng CHEN ; Guoan CHEN ; Haiming CHEN ; Jing CHEN ; Min CHEN ; Qing CHEN ; Shu CHEN ; Xi CHEN ; Jinfeng CHENG ; Xiaoling CHU ; Hongwang CUI ; Xin CUI ; Zhen DA ; Ying DAI ; Surong DENG ; Weiqun DONG ; Weimin FAN ; Ke FENG ; Danhui FU ; Yongshui FU ; Qi FU ; Xuemei FU ; Jia GAN ; Xinyu GAN ; Wei GAO ; Huaizheng GONG ; Rong GUI ; Geng GUO ; Ning HAN ; Yiwen HAO ; Wubing HE ; Qiang HONG ; Ruiqin HOU ; Wei HOU ; Jie HU ; Peiyang HU ; Xi HU ; Xiaoyu HU ; Guangbin HUANG ; Jie HUANG ; Xiangyan HUANG ; Yuanshuai HUANG ; Shouyong HUN ; Xuebing JIANG ; Ping JIN ; Dong LAI ; Aiping LE ; Hongmei LI ; Bijuan LI ; Cuiying LI ; Daihong LI ; Haihong LI ; He LI ; Hui LI ; Jianping LI ; Ning LI ; Xiying LI ; Xiangmin LI ; Xiaofei LI ; Xiaojuan LI ; Zhiqiang LI ; Zhongjun LI ; Zunyan LI ; Huaqin LIANG ; Xiaohua LIANG ; Dongfa LIAO ; Qun LIAO ; Yan LIAO ; Jiajin LIN ; Chunxia LIU ; Fenghua LIU ; Peixian LIU ; Tiemei LIU ; Xiaoxin LIU ; Zhiwei LIU ; Zhongdi LIU ; Hua LU ; Jianfeng LUAN ; Jianjun LUO ; Qun LUO ; Dingfeng LYU ; Qi LYU ; Xianping LYU ; Aijun MA ; Liqiang MA ; Shuxuan MA ; Xainjun MA ; Xiaogang MA ; Xiaoli MA ; Guoqing MAO ; Shijie MU ; Shaolin NIE ; Shujuan OUYANG ; Xilin OUYANG ; Chunqiu PAN ; Jian PAN ; Xiaohua PAN ; Lei PENG ; Tao PENG ; Baohua QIAN ; Shu QIAO ; Li QIN ; Ying REN ; Zhaoqi REN ; Ruiming RONG ; Changshan SU ; Mingwei SUN ; Wenwu SUN ; Zhenwei SUN ; Haiping TANG ; Xiaofeng TANG ; Changjiu TANG ; Cuihua TAO ; Zhibin TIAN ; Juan WANG ; Baoyan WANG ; Chunyan WANG ; Gefei WANG ; Haiyan WANG ; Hongjie WANG ; Peng WANG ; Pengli WANG ; Qiushi WANG ; Xiaoning WANG ; Xinhua WANG ; Xuefeng WANG ; Yong WANG ; Yongjun WANG ; Yuanjie WANG ; Zhihua WANG ; Shaojun WEI ; Yaming WEI ; Jianbo WEN ; Jun WEN ; Jiang WU ; Jufeng WU ; Aijun XIA ; Fei XIA ; Rong XIA ; Jue XIE ; Yanchao XING ; Yan XIONG ; Feng XU ; Yongzhu XU ; Yongan XU ; Yonghe YAN ; Beizhan YAN ; Jiang YANG ; Jiangcun YANG ; Jun YANG ; Xinwen YANG ; Yongyi YANG ; Chunyan YAO ; Mingliang YE ; Changlin YIN ; Ming YIN ; Wen YIN ; Lianling YU ; Shuhong YU ; Zebo YU ; Yigang YU ; Anyong YU ; Hong YUAN ; Yi YUAN ; Chan ZHANG ; Jinjun ZHANG ; Jun ZHANG ; Kai ZHANG ; Leibing ZHANG ; Quan ZHANG ; Rongjiang ZHANG ; Sanming ZHANG ; Shengji ZHANG ; Shuo ZHANG ; Wei ZHANG ; Weidong ZHANG ; Xi ZHANG ; Xingwen ZHANG ; Guixi ZHANG ; Xiaojun ZHANG ; Guoqing ZHAO ; Jianpeng ZHAO ; Shuming ZHAO ; Beibei ZHENG ; Shangen ZHENG ; Huayou ZHOU ; Jicheng ZHOU ; Lihong ZHOU ; Mou ZHOU ; Xiaoyu ZHOU ; Xuelian ZHOU ; Yuan ZHOU ; Zheng ZHOU ; Zuhuang ZHOU ; Haiyan ZHU ; Peiyuan ZHU ; Changju ZHU ; Lili ZHU ; Zhengguo WANG ; Jianxin JIANG ; Deqing WANG ; Jiongcai LAN ; Quanli WANG ; Yang YU ; Lianyang ZHANG ; Aiqing WEN
Chinese Journal of Trauma 2024;40(10):865-881
Patients with severe trauma require an extremely timely treatment and transfusion plays an irreplaceable role in the emergency treatment of such patients. An increasing number of evidence-based medicinal evidences and clinical practices suggest that patients with severe traumatic bleeding benefit from early transfusion of low-titer group O whole blood or hemostatic resuscitation with red blood cells, plasma and platelet of a balanced ratio. However, the current domestic mode of blood supply cannot fully meet the requirements of timely and effective blood transfusion for emergency treatment of patients with severe trauma in clinical practice. In order to solve the key problems in blood supply and blood transfusion strategies for emergency treatment of severe trauma, Branch of Clinical Transfusion Medicine of Chinese Medical Association, Group for Trauma Emergency Care and Multiple Injuries of Trauma Branch of Chinese Medical Association, Young Scholar Group of Disaster Medicine Branch of Chinese Medical Association organized domestic experts of blood transfusion medicine and trauma treatment to jointly formulate Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients ( version 2024). Based on the evidence-based medical evidence and Delphi method of expert consultation and voting, 10 recommendations were put forward from two aspects of blood support mode and transfusion strategies, aiming to provide a reference for transfusion resuscitation in the emergency treatment of severe trauma and further improve the success rate of treatment of patients with severe trauma.
7.Study on the needle placement accuracy assisted by self-designed channel screw guide system for pelvic fractures
Bo WEI ; Hubing GUO ; Xinfu YU ; Bo MA ; Dong LIANG ; Bin ZHAO ; Baoping JIE ; Tianyun ZHAO
Chinese Journal of Orthopaedic Trauma 2024;26(6):543-546
Objective:To investigate the needle placement accuracy assisted by our self-designed channel screw guide system for pelvic fractures.Methods:Sixty pelvic models (provided by Shandong Weigao Group) were randomized into 2 groups ( n=30). In the experimental group, 2.0 mm Kirkler needles were implanted into the sacroiliac channel using our self-developed channel needle guide system in corresponding simulated surgical procedures; in the control group, the guide needles for sacroiliac screws were implanted manually under the guidance of C-arm fluoroscopy. The needle positions were assessed by gross observation and the offset distances measured on the X-ray films of pelvic entrance and exit views between the guide needle at the midline of the sacrum and the center point of bone channel. The offset distance, operation time, fluoroscopy frequency, and needle adjustment frequency were compared between the 2 groups of guide needles. Results:Guide needles were successfully implanted in all the pelvic models in the experimental group, with no penetration of guide needles outside the model. In the control group, 3 guide needles penetrated outside the model channel. The X-ray measurements showed that the offset distance of the needle in the experimental group was (2.23±0.82) mm, significantly smaller than that in the control group [(4.46±2.28) mm] ( P<0.05). In the experimental group, the fluoroscopy frequency [(12.0±0.3) times] and the needle adjustment frequency [(8.0±0.3) times] were significantly less than those in the control group [(26.0±0.4) times and (24.0±0.8) times] ( P<0.05). The operation time was (0.52±0.25) hours in the experimental group, significantly shorter than that in the control group [(1.26±0.36) hours] ( P<0.05). With a 2 mm diameter as an acceptable range, the accuracy was as high as 95.5%. Conclusion:Compared with manual placement of guide needles, our self-designed pelvic fracture channel screw guide system can lead to more accurate needle placement, reduced fluoroscopy frequency, fewer guide needle adjustments, and shortened operation time.
8.Cardiovascular health status in Chinese school aged children
WANG Xijie, ZOU Zhiyong, DONG Yanhui, DONG Bin, MA Jun, LIANG Wannian
Chinese Journal of School Health 2024;45(1):30-35
Objective:
The American Heart Association released the Life s Essential 8 (LE 8) for the overall evaluation of cardiovascular health (CVH) on individual level. The present study aimed to describe the overall CVH in Chinese school aged children using LE 8 metrics.
Methods:
Data of the present analysis came from a national representative multicentered cross sectional study conducted in 7 provinces of China in 2013. The original study used a multistage cluster sampling method. A total of 10 326 children aged 5 to 19 years with complete data of health behaviors and health outcomes were included in the study. Children s health behavior indicators included diet, physical activity, nicotine exposure and sleep health. Health outcome factors included body mass index, fast blood glucose, lipid profile and blood pressure.
Results:
The median CVH score was 73.3 ( IQR =14.4) in boys and 73.4 ( IQR = 13.5) in girls. Compared to children aged ≤9 years, the health behavior scores were lowest in the 13-15 age group, with boys scoring 7.73 lower (95% CI =-8.35--7.12, P <0.01) and girls scoring 9.15 (95% CI =-9.83--8.48, P <0.01) lower. The ≥16 age group had the lowest health outcome scores, with boys scoring 7.85 (95% CI =-9.07--6.63, P <0.01) lower and girls scoring 6.11 (95% CI =-7.12--5.09, P <0.01) lower.
Conclusions
Chinese school aged children are generally at a moderate level of cardiovascular health. Specific LE 8 components vary substantially between groups and therefore require targeted intervention strategies.
9.Effect of Modified Dahuang Huanglian Xiexintang on Oxidative Stress Injury of Liver in Type 2 Diabetes Mellitus Rats Based on Nrf2/HO-1 Axis
Chengjun MA ; Fengzhe YAN ; Lixia YANG ; Yonglin LIANG ; Xiangdong ZHU ; Dong AN ; Yankui GAO
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(24):121-130
ObjectiveTo explore the effects and mechanisms of modified Dahuang Huanglian Xiexintang on hepatic oxidative stress injury in type 2 diabetes mellitus (T2DM) rats based on the nuclear factor erythroid 2 related factor 2 (Nrf2)/heme oxygenase-1 (HO-1) axis. MethodSix ZDF (fa/+) rats were as assigned to the blank group, and 30 ZDF (fa/fa) rats were used to induce the T2DM model by feeding a high-fat diet. After successful modeling, the rats were randomly divided into the model group, metformin group (0.18 g·kg-1), and low, medium, and high dose groups of modified Dahuang Huanglian Xiexintang (0.54, 1.08, 2.16 g·kg-1), with six rats in each group. After 12 weeks of drug intervention, the body mass, liver mass, fasting blood glucose (FBG), and oral glucose tolerance test (OGTT) levels were measured. Serum total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) levels were detected using an automatic biochemical analyzer. The pathological changes of liver tissue were observed by hematoxylin-eosin (HE) staining. Enzyme-linked immunosorbent assay (ELISA) was used to detect the activity of superoxide dismutase (SOD), reactive oxygen species (ROS), glutathione peroxidase (GSH-Px), and the level of malondialdehyde (MDA) in liver tissues. Immunohistochemistry was used to detect the expression of Nrf2 in the liver. Real time quantitative polymerase chain reaction (Real-time PCR) and Western blot were used to detect the mRNA and protein expression levels of Nrf2 and HO-1 in liver tissues. ResultCompared with the normal group, the model group showed a significant increase in body mass, liver mass, and liver index (P<0.01). Compared with the model group, the metformin group and the medium and high dose groups of modified Dahuang Huanglian Xiexintang showed a significant decrease in body weight, liver mass, and liver index (P<0.01). Compared with the normal group, the model group showed significantly increased TC, TG, and LDL levels (P<0.01), and significantly decreased HDL levels (P<0.01). Compared with the model group, the metformin group and all doses of modified Dahuang Huanglian Xiexintang showed significantly reduced TC levels (P<0.01), and significantly reduced TG levels (P<0.05). The medium and high dose groups of modified Dahuang Huanglian Xiexintang showed significantly reduced LDL levels (P<0.05). The metformin group and all doses of modified Dahuang Huanglian Xiexintang showed significantly increased HDL levels (P<0.05). Compared with the normal group, the model group showed significantly increased ALT and AST activities (P<0.01). Compared with the model group, all doses of modified Dahuang Huanglian Xiexintang and the metformin group showed significantly reduced ALT activities (P<0.05) and significantly reduced AST activities (P<0.01). Compared with normal group, the model group showed significantly increased FBG at all time points (P<0.01). Compared with the model group, the metformin group and all doses of modified Dahuang Huanglian Xiexintang showed significantly reduced FBG at 8, 10, 12 weeks. The OGTT results showed that compared with the normal group, the model group had significantly increased blood glucose at all time points (P<0.01). Compared with the model group, the metformin group showed significantly reduced blood glucose at all time points (P<0.01), and the medium and high dose groups of modified Dahuang Huanglian Xiexintang showed significantly reduced blood glucose at 90, 120 min (P<0.01). HE pathology showed clear and regular liver cell structure in the normal group, while the model group showed disordered liver cell structure with visible fat vacuoles and a large number of deformed necrotic cells. The liver tissue structure improved in the metformin group and all doses of modified Dahuang Huanglian Xiexintang, with fewer necrotic cells. Compared with the normal group, the model group showed significantly reduced SOD and GSH-Px levels (P<0.01), and significantly increased ROS and MDA levels (P<0.01). Compared with the model group, the metformin group and all doses of modified Dahuang Huanglian Xiexintang showed significantly increased SOD and GSH-Px levels (P<0.01), and significantly reduced MDA levels (P<0.01). The medium and high dose groups of modified Dahuang Huanglian Xiexintang showed significantly reduced ROS levels (P<0.05). Compared with the normal group, the model group showed significantly reduced Nrf2 and HO-1 mRNA expression levels (P<0.01). Compared with the model group, the metformin group and the medium and high dose groups of modified Dahuang Huanglian Xiexintang showed significantly increased Nrf2 and HO-1 mRNA expression levels (P<0.05). Immunohistochemistry showed that compared with the normal group, the model group had significantly reduced positive expression of Nrf2 and HO-1 (P<0.05). Compared with the model group, the metformin group and all doses of modified Dahuang Huanglian Xiexintang showed increased positive expression of Nrf2 and HO-1, with a significant increase in brown-yellow granules around the cell nucleus (P<0.05). Western blot results showed that compared with the normal group, the model group had significantly reduced protein expression of Nrf2 and HO-1 (P<0.01). Compared with the model group, the metformin group and all doses of modified Dahuang Huanglian Xiexintang showed significantly increased protein expression of Nrf2 and HO-1 (P<0.01). ConclusionModified Dahuang Huanglian Xiexintang can significantly improve the general condition and pathological changes of liver tissues in T2DM model rats. This improvement is likely achieved through ameliorating hepatic oxidative stress injury via regulating the Nrf2/HO-1 axis.
10.Effect of Modified Dahuang Huanglian Xiexintang on Mitochondrial Autophagy and Browning of Visceral Fat in Obese Type 2 Diabetes Mellitus Rats
Dong AN ; Yonglin LIANG ; Yankui GAO ; Fengzhe YAN ; Sichen ZHAO ; Zhongtang LIU ; Chengjun MA ; Xiangdong ZHU
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(24):131-140
ObjectiveTo observe the effect of modified Dahuang Huanglian Xiexintang on mitochondrial autophagy and browning of visceral adipose tissue in obese type 2 diabetes mellitus (T2DM) model ZDF rats. MethodForty ZDF rats were induced with a high-fat diet to establish an obese T2DM model. The rats were randomly divided into five groups: Model group, metformin group (0.18 g·kg-1), and high, medium, and low dose groups of modified Dahuang Huanglian Xiexintang (2.16, 1.08, 0.54 g·kg-1), with eight rats in each group. Additionally, eight ZDF (fa/+) rats were assigned to the normal group. All groups received an intragastric volume of 10 mL·kg-1, with the model and normal groups receiving the same volume of purified water once daily for 12 weeks. Fasting blood glucose (FBG) was regularly measured. After 12 weeks of intervention, the body weight, epididymal fat weight, and serum levels of glucose (GLU), glycated serum protein (GSP), triglyceride (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were measured. Hematoxylin-eosin (HE) staining was used to observe pathological changes in epididymal fat tissue. Transmission electron microscopy (TEM) was employed to observe mitochondrial autophagy in adipocytes. Real-time PCR was used to detect the mRNA expression of hypoxia-inducible factor-1α (HIF-1α), Bcl-2/adenovirus E1B 19 kDa interacting protein 3 (BNIP3), microtubule-associated protein 1 light chain 3B (LC3B), p62/SQSTM1, uncoupling protein 1 (UCP1), iodothyronine deiodinase 2 (Dio2), and PR domain containing 16 (Prdm16) in epididymal fat. Western blot was used to detect the protein expression of HIF-1α, BNIP3, LC3B, p62, and UCP1 in epididymal fat. ResultCompared with the normal group, the model group showed pathological changes in epididymal fat, with adipocyte mitochondrial condensation and numerous autophagosomes indicating mitochondrial autophagy. The model group also exhibited significantly increased body weight, epididymal fat weight, FBG, GLU, GSP, TC, TG, and LDL-C levels (P<0.01), significantly decreased HDL-C levels (P<0.01), significantly elevated mRNA and protein expression of HIF-1α, BNIP3, and LC3B (P<0.01), significantly reduced mRNA and protein expression of p62 and UCP1 (P<0.01), and significantly reduced mRNA expression of Dio2 and Prdm16 (P<0.01). Compared with the model group, all intervention groups showed varying degrees of improvement in epididymal fat pathology. The metformin group and high-dose modified Dahuang Huanglian Xiexintang group displayed intact mitochondrial morphology, clear cristae, uniform matrix, and few autophagosomes and autophagosomes in the adipocyte cytoplasm. The metformin group and high- and medium-dose groups of modified Dahuang Huanglian Xiexintang showed significantly reduced body weight and epididymal fat weight (P<0.01). The epididymal fat index was reduced in all intervention groups (P<0.05), and FBG was lowered in all intervention groups (P<0.01).Serum GSP, GLU, TG, and LDL-C levels were reduced in the metformin group and the high- and medium-dose groups of modified Dahuang Huanglian Xiexintang (P<0.05, P<0.01). The serum TC level was significantly reduced in the metformin group and high-dose group of modified Dahuang Huanglian Xiexintang (P<0.01), and HDL-C levels were significantly increased in all intervention groups (P<0.05, P<0.01). The mRNA and protein expression of HIF-1α, BNIP3, and LC3B were significantly reduced, and UCP1 protein expression was significantly increased in the metformin group and high- and medium-dose groups of modified Dahuang Huanglian Xiexintang (P<0.05, P<0.01). The mRNA and protein expression of p62, Dio2, and Prdm16 were significantly increased in the metformin group and high-dose group of modified Dahuang Huanglian Xiexintang (P<0.05, P<0.01). ConclusionModified Dahuang Huanglian Xiexintang may inhibit mitochondrial autophagy and promote the browning of visceral adipose tissue through the HIF-1α/BNIP3/LC3B pathway, thereby improving glucose and lipid metabolism in obese T2DM rats.


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