1.Analysis of the Burden of Acute Lymphoid Leukemia in China and Globally from 1990 to 2021
Derong LIN ; Jingya FANG ; Yue LI ; Xiaohua XIE ; Xiaolin YE ; Xiaowen ZHANG ; Jiexuan LI ; Aiguo XUE
Medical Journal of Peking Union Medical College Hospital 2026;17(2):463-475
To analyze the disease burden of acute lymphoid leukemia(ALL) and its changing trends in China and globally from 1990 to 2021, aiming to provide a theoretical basis for disease prevention, treatment, and policy formulation. Data on the incidence, prevalence, mortality, and disability adjusted life years(DALYs) of ALL in China and globally from 1990 to 2021 were extracted from the Global Burden of Disease(GBD) 2021 database. The Joinpoint regression model was used to calculate the average annual percentage change(AAPC) to assess the trends in disease burden. Decomposition analysis was employed to identify and quantify the contributions of different factors to the changes in ALL disease burden. The population attributable fraction(PAF) was used to compare the risk factors for ALL in China and globally in 1990 and 2021. Stratified by the sociodemographic index(SDI), the locally estimated scatterplot smoothing(LOESS) method was used to assess the association between age-standardized incidence rate(ASIR), age-standardized mortality rate(ASMR), and SDI. The incidence-mortality ratio(IMR) was calculated to evaluate the diagnostic level and current treatment status of ALL. From 1990 to 2021, ASIR of ALL in the Chinese population increased from 3.385/100 000 to 3.637/100 000(AAPC: 0.005), the age-standardized prevalence rate(ASPR) increased from 6.596/100 000 to 22.022/100 000(AAPC: 0.478), the ASMR decreased from 3.051/100 000 to 1.357/100 000(AAPC: -0.056), and the age-standardized DALYs rate(ASDR) decreased from 195.792/100 000 to 74.063/100 000(AAPC: -3.996). Globally, the corresponding figures were: ASIR decreased from 1.789/100 000 to 1.371/100 000(AAPC: -0.014), ASPR increased from 4.122/100 000 to 5.425/100 000(AAPC: 0.039), ASMR decreased from 1.551/100 000 to 0.898/100 000(AAPC: -0.021), and ASDR decreased from 94.894/100 000 to 48.858/100 000(AAPC: -1.494). During this period, the aforementioned disease burden indicators were generally higher in males than in females, both in China and globally.In 2021, the peak incidence of ALL in China and globally was primarily concentrated in the 0-19 years age group, with the highest rate observed in those under 5 years of age. The burden of prevalence and DALYs was also mainly concentrated in this age group. Regarding mortality, the death burden in China was predominantly observed in the older adult age group, particularly among those aged ≥60 years. Globally, the mortality burden was highest in the under-5 age group, while remaining at a relatively high level in the older adult population. SDI correlation analysis based on data from 204 countries/regions globally from 1990 to 2021 showed that ASIR gradually increased with increasing SDI, whereas ASMR showed an initial increase followed by a decreasing trend. The ASIR and ASMR for the overall Chinese population and by sex were higher than expected. PAF results indicated that smoking and high body mass index were the main attributable risk factors for ALL mortality and DALYs burden, with their contribution consistently increasing. Decomposition analysis revealed that population growth and epidemiological changes were the primary drivers behind the changes in ALL incidence and mortality burden. Compared with 1990, the IMR for ALL in both China and globally increased in 2021. Over the past three decades, the ASMR and ASDR for ALL in China and globally have generally declined. During the same period, the ASIR and ASPR for ALL increased in China, while globally, the ASIR decreased and the ASPR increased. However, the disease burden of ALL remains high in males, children, and the older adult population. Differentiated prevention and control measures should be implemented in accordance with changes in SDI. The findings highlight the importance of strengthening prevention and early diagnosis, and suggest the need for targeted screening and treatment strategies for different age and sex groups. Concurrently, attention should be paid to the role of weight management and tobacco control in comprehensive prevention and control efforts to further reduce the disease burden of ALL.
2.Epidemiological Characteristics and Risk Factors of Non-alcoholic Fatty Liver Disease in Jincheng between 2015 and 2020
Nina ZHANG ; Junfang CUI ; Aiguo ZHANG ; Xueke FAN ; Yuting CHEN ; Shumei ZHANG ; Sha WEI
Journal of Public Health and Preventive Medicine 2025;36(1):110-113
Objective To investigate the epidemiological characteristics and risk factors of non-alcoholic fatty liver disease in Jincheng between 2015 and 2020. Methods Clinical data of 8,578 medical check-ups at Physical Examination Center of ou hospital from January 2015 to December 2020 were retrospectively selected. The prevalence of non-alcoholic fatty liver disease in the last 5 years was recorded, and Logistic regression was utilized to identify the risk factors for the development of non-alcoholic fatty liver disease. Results The overall prevalence of non-alcoholic fatty liver disease in Jincheng was 14.57% in 2015-2020. The prevalence of non-alcoholic fatty liver disease was higher in men than in women (16.99% vs 10.98%) and highest in the 40-59 age group (18.76%). No statistical difference was reported in blood urea nitrogen (BUN) and serum creatinine (Scr) between groups (P>0.05), while statistical difference was found in diabetes, hypertension, body mass index (BMI), waist circumference, weekly exercise frequency, daily vegetable intake, triglycerides (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), alanine aminotransferase (ALT) and uric acid (UA) between two groups (P<0.05). Multivariate Logistic regression analysis denoted that BMI (OR=2.794, 95% CI: 1.745-4.550), waist circumference (OR=2.586, 95% CI: 1.585-4.299), diabetes (OR=0.644, 95% CI: 1.425-2.781), hypertension (OR=1.479, 95% CI: 1.121-2.290), weekly exercise ≥6h (OR=0.617, 95% CI: 0.519-0.709), daily vegetable intake ≥300g (OR=0.590, 95% CI: 0.467-0.652), TG (OR=1.481, 95% CI: 1.122-1.996), TC (OR=1.562, 95% CI:1.143-2.135), LDL-C (OR=1.440, 95% CI: 1.139-2.048), HDL-C (OR=0.656 , 95% CI: 0.587-0.783) , ALT (OR=1.591, 95% CI: 1.056-2.183), and UA (OR=1.412, 95% CI: 1.009-1.887) were risk factors for non-alcoholic fatty liver disease (P<0.05) . Conclusion The prevalence of non-alcoholic fatty liver disease in Jincheng City from 2015 to 2020 is 14.57%, the prevalence of males is higher than that of females, and the prevalence rate is the highest in the 40-59 age group. Moreover , diabetes mellitus , hypertension , BMI , waist circumference , weekly exercise , daily vegetable intake , serum TG, TC, LDL-C, HDL-C, ALT, and UA are all associated with the risk of the disease.
3.Burden and Trends of Motor Neuron Disease in China and Globally from 1990 to 2021
Derong LIN ; Jingya FANG ; Yue LI ; Xiaohua XIE ; Xiaolin YE ; Xiaowen ZHANG ; Jiexuan LI ; Aiguo XUE
Medical Journal of Peking Union Medical College Hospital 2025;17(1):188-196
To analyze the disease burden and trends of motor neuron disease(MND) in China and globally from 1990 to 2021, providing evidence for the formulation of relevant health strategies inChina. Data on the incidence, prevalence, and disability-adjusted life years(DALYs) of MND in China and globally from 1990 to 2021 were extracted from the 2021 global burden of disease(GBD) database. The Joinpoint model was used to analyze trends through the average annual percentage change(AAPC). The disease burden differences were further analyzed by age and gender. From 1990 to 2021, the number of MND incident cases in China increased by 6.87%, while globally it increased by 74.54%.The number of prevalent cases in China rose by 29.78%, compared to a 68.43% increase globally. DALYs due to MND in China increased by 40.08%, while globally they increased by 105.59%. The age-standardized incidence rate(ASIR) of MND showed a declining trend both in China(AAPC=-0.006, 95% CI: -0.006 to -0.006, The overall disease burden of MND in China is lower than the global level, with ASIR and ASDR showing a declining trend. However, the annual number of incident cases, prevalent cases, and DALYs continues to increase. Furthermore, there are gender and age differences in the MND disease burden in China, with middle-aged and elderly males being the key targets for prevention and control.
4.Research on surgical treatment strategies for Mason type III radial head fracture complicated with adult Bado type II Monteggia fracture
Dawei ZHANG ; Honghao CHEN ; Kun WANG ; Jiangming QI ; Yugang PAN ; Shijun ZHENG ; Aiguo WANG ; Yejun ZHA ; Maoqi GONG ; Dongsheng LI
Chinese Journal of Orthopaedics 2025;45(13):848-855
Objective:To explore the surgical treatment strategies for Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures.Methods:A retrospective analysis was performed on the clinical data of 25 adult patients with Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures, admitted to the Upper Extremity Orthopaedics Department of Zhengzhou Orthopaedic Hospital from June 2013 to June 2023. There were 15 males and 10 females, with an average age of 43.5±14.7 years (range: 20-67 years). Among them, 5 cases were complicated with humeroulnar joint dislocation. The patients were divided into two groups: 17 cases were treated with open reduction and internal fixation (ORIF) of radial head fractures combined with ORIF of proximal ulnar fractures (open reduction group), and 8 cases were treated with radial head replacement combined with ORIF of proximal ulnar fractures (radial head replacement group). At the last follow-up, elbow joint range of motion was recorded, and pain, elbow function, and subjective upper limb function were evaluated using the Visual Analogue Scale (VAS), Mayo Elbow Performance Score (MEPS), and Disabilities of the Arm, Shoulder and Hand (DASH) scale. The incidence of complications was also recorded.Results:All 25 patients were followed up for an average of 25.6±9.0 months (range: 12-45 months). At the last follow-up, the affected elbows in the open reduction group had a flexion of 124.47°±12.59° (range, 90°-140°), extension of 21.12°±10.07° (range, 10°-50°), pronation of 48.59°±11.62° (range, 20°-61°), and supination of 48.53°±8.43° (range, 30°-60°). In the radial head replacement group, the affected elbows showed flexion of 128.75°±13.17° (range, 100°-140°), extension of 14.00°±7.71° (range, 0°-25°), pronation of 61.25°±10.26° (range, 60°-80°), and supination of 71.88°±10.33° (range, 60°-80°). The MEPS score in the open reduction group was 82(75, 85) points (range, 55-90 points), the VAS pain score was 1(1, 2) points (range, 0-3 points), and the DASH score was 9(8, 14) points. In the radial head replacement group, the MEPS score was 90(85, 90) points (range, 85-90 points), the VAS pain score was 1(0, 1) points (range, 0-1 points), and the DASH score was 5(5, 6) points. Complications included 5 cases of heterotopic ossification, 1 case of incision infection, 1 case of nonunion, 1 case of ulnar nerve injury combined with traumatic arthritis, and 1 case of proximal radioulnar bone bridge formation.Conclusions:Both radial head replacement and open reduction internal fixation combined with proximal ulnar fracture fixation can effectively treat Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures. There was no significant difference in postoperative flexion and extension, but the radial head replacement group demonstrated better forearm rotation and DASH scores postoperatively.
5.Langerhans Cell Histiocytosis Complicated with Hemophagocytic Lymphohistiocytosis:Two Case Reports
Yanqing CHEN ; Jianxin DUN ; Ai ZHANG ; Aiguo LIU ; Qun HU
Herald of Medicine 2025;44(12):2005-2009
Objective To analyze cases of Langerhans cell histiocytosis(LCH)initially presenting with hemophagocytic lymphohistiocytosis(HLH)in order to enhance clinicians'awareness and avoid misdiagnosis or missed diagnosis.Methods Clinical characteristics of two cases of LCH with HLH as the initial symptom cases were retrospectively collected and analyzed.Results Both patients were male and admitted with"fever and bicytopenia".The physical examination revealed scattered rashes and hepatosplenomegaly.Based on the laboratory results,HLH was initially considered in both children.In case 1,the underlying disease was not immediately identified,but a skin biopsy later confirmed LCH.The patient's symptoms improved with LCH-directed therapy;however,a secondary pulmonary infection triggered progressive hemophagocytosis,which was successfully controlled after adding HLH treatment.In Case 2,HLH treatment initially stabilized the fever.After a skin biopsy confirmed LCH,combined LCH therapy was administered,and the symptoms improved.Both patients received regular chemotherapy according to the CCHG-LCH-2019 protocol.During follow-up,Case 1 developed a BRAF gene mutation and was treated with oral trametinib in addition to chemotherapy.As of the latest follow-up,both patients remained in stable condition.Conclusion Children with HLH and accompanied by a rash should actively search for the underlying cause.A skin biopsy should be performed promptly to clarify the diagnosis.Once the diagnosis is confirmed,active treatment is necessary,a single treatment approach should be avoided,and timely assessment of the condition should be conducted to achieve personalized treatment.
6.Langerhans Cell Histiocytosis Complicated with Hemophagocytic Lymphohistiocytosis:Two Case Reports
Yanqing CHEN ; Jianxin DUN ; Ai ZHANG ; Aiguo LIU ; Qun HU
Herald of Medicine 2025;44(12):2005-2009
Objective To analyze cases of Langerhans cell histiocytosis(LCH)initially presenting with hemophagocytic lymphohistiocytosis(HLH)in order to enhance clinicians'awareness and avoid misdiagnosis or missed diagnosis.Methods Clinical characteristics of two cases of LCH with HLH as the initial symptom cases were retrospectively collected and analyzed.Results Both patients were male and admitted with"fever and bicytopenia".The physical examination revealed scattered rashes and hepatosplenomegaly.Based on the laboratory results,HLH was initially considered in both children.In case 1,the underlying disease was not immediately identified,but a skin biopsy later confirmed LCH.The patient's symptoms improved with LCH-directed therapy;however,a secondary pulmonary infection triggered progressive hemophagocytosis,which was successfully controlled after adding HLH treatment.In Case 2,HLH treatment initially stabilized the fever.After a skin biopsy confirmed LCH,combined LCH therapy was administered,and the symptoms improved.Both patients received regular chemotherapy according to the CCHG-LCH-2019 protocol.During follow-up,Case 1 developed a BRAF gene mutation and was treated with oral trametinib in addition to chemotherapy.As of the latest follow-up,both patients remained in stable condition.Conclusion Children with HLH and accompanied by a rash should actively search for the underlying cause.A skin biopsy should be performed promptly to clarify the diagnosis.Once the diagnosis is confirmed,active treatment is necessary,a single treatment approach should be avoided,and timely assessment of the condition should be conducted to achieve personalized treatment.
7.Integrated evidence chain-based effectiveness evaluation of traditional Chinese medicines (Eff-iEC): A demonstration study.
Ye LUO ; Xu ZHAO ; Ruilin WANG ; Xiaoyan ZHAN ; Tianyi ZHANG ; Tingting HE ; Jing JING ; Jianyu LI ; Fengyi LI ; Ping ZHANG ; Junling CAO ; Jinfa TANG ; Zhijie MA ; Tingming SHEN ; Shuanglin QIN ; Ming YANG ; Jun ZHAO ; Zhaofang BAI ; Jiabo WANG ; Aiguo DAI ; Xiangmei CHEN ; Xiaohe XIAO
Acta Pharmaceutica Sinica B 2025;15(2):909-918
Addressing the enduring challenge of evaluating traditional Chinese medicines (TCMs), the integrated evidence chain-based effectiveness evaluation of TCMs (Eff-iEC) has emerged. This paper explored its capacity through a demonstration study that evaluated the effectiveness evidence of six commonly used anti-hepatic fibrosis Chinese patent medicines (CPMs), including Biejiajian Pill (BP), Dahuang Zhechong Pill (DZP), Biejia Ruangan Compound (BRC), Fuzheng Huayu Capsule (FHC), Anluo Huaxian Pill (AHP), and Heluo Shugan Capsule (HSC), using both Eff-iEC and the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) system. The recognition of these CPMs within the TCM academic community was also assessed through their inclusion in relevant medical documents. Results showed that the evidence of BRC and FHC received higher assessments in both Eff-iEC and GRADE system, while the assessments for others varied. Analysis of community recognition revealed that Eff-iEC more accurately reflects the clinical value of these CPMs, exhibiting superior evaluative capabilities. By breaking through the conventional pattern of TCMs effectiveness evaluation, Eff-iEC offers a novel epistemology that better aligns with the clinical realities and reasoning of TCMs, providing a coherent methodology for clinical decision-making, new drug evaluations, and health policy formulation.
8.Feixin Decoction Treats Hypoxic Pulmonary Hypertension by Regulating Pyroptosis in PASMCs via PPARγ/NF-κB/NLRP3 Signaling Pathway
Junlan TAN ; Xianya CAO ; Runxiu ZHENG ; Wen ZHANG ; Chao ZHANG ; Jian YI ; Feiying WANG ; Xia LI ; Jianmin FAN ; Hui LIU ; Lan SONG ; Aiguo DAI
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(18):1-9
ObjectiveTo investigate the mechanism by which Feixin decoction treats hypoxic pulmonary hypertension (HPH) by regulating the peroxisome proliferator-activated receptor gamma (PPARγ)/nuclear factor-kappa B (NF-κB)/NOD-like receptor pyrin domain containing 3 (NLRP3) signaling pathway. MethodsForty-eight male SD rats were randomly allocated into normal, hypoxia, and low-, medium- and high-dose (5.85, 11.7, 23.4 g·kg-1, respectively) Feixin decoction groups, with 8 rats in each group. Except the normal group, the remaining five groups were placed in a hypoxia chamber with an oxygen concentration of (10.0±0.5)% for 8 h per day, 28 days, and administrated with corresponding drugs during the modeling process. After 4 weeks of treatment, echocardiographic parameters [pulmonary artery acceleration time (PAT), pulmonary artery ejection time (PET), right ventricular anterior wall thickness (RVAWd), and tricuspid annular plane systolic excursion (TAPSE)] were measured for each group. The right ventricular systolic pressure (RVSP) was measured by the right heart catheterization method, and the right ventricular hypertrophy index (RVHI) was calculated by weighing the heart. The pathological changes in pulmonary arterioles were observed by hematoxylin-eosin staining. The co-localization of α-smooth muscle actin (α-SMA) with NLRP3, N-terminal gasdermin D (N-GSDMD), and cysteinyl aspartate-specific proteinase-1 (Caspase-1) in pulmonary arteries was detected by immunofluorescence. The protein levels of PPARγ, NF-κB, NLRP3, apoptosis-associated speck-like protein containing a CARD (ASC), N-GSDMD, interleukin-1β (IL-1β), interleukin-18(IL-18), and cleaved Caspase-1 in the lung tissue was determined by Western blot. The ultrastructural changes in pulmonary artery smooth muscle cells (PASMCs) were observed by transmission electron microscopy. ResultsCompared with the normal group, the hypoxia group showed increased RVSP and RVHI (P<0.01), decreased right heart function (P<0.01), increased pulmonary vascular remodeling (P<0.01), increased co-localization of α-SMA with NLRP3, N-GSDMD, and Caspase-1 in pulmonary arterioles (P<0.01), up-regulated protein levels of NF-κB, NLRP3, ASC, N-GSDMD, IL-1β, IL-18, and cleaved Caspase-1 in the lung tissue (P<0.05, P<0.01), a down-regulated protein level of PPARγ (P<0.05, P<0.01), and pyroptosis in PASMCs. Compared with the hypoxia group, Feixin decoction reduced RVSP and RVHI, improved the right heart function and ameliorated pulmonary vascular remodeling (P<0.05, P<0.01), decreased the co-localization of α-SMA with NLRP3, N-GSDMD, and Caspase-1 (P<0.05, P<0.01), down-regulated the protein levels of NF-κB, NLRP3, ASC, N-GSDMD, IL-1β, IL-18, and cleaved Caspase-1 in the lung tissue (P<0.05, P<0.01), up-regulated the protein level of PPARγ (P<0.05, P<0.01), and alleviated pyroptosis in PASMCs. ConclusionFeixin decoction can ameliorate pulmonary vascular remodeling and right heart dysfunction in chronically induced HPH rats by regulating pyroptosis in PASMCs through the PPARγ/NF-κB/NLRP3 pathway.
9.A new classification system applied to irreducible intertrochanteric femoral fractures: a multi-center efficacy analysis
Wei ZHANG ; Aiguo WANG ; Shijun ZHAO ; Peng XIAO ; Zhi ZHU ; Wei CHEN ; Zhennan ZHANG ; Xiang LI
Chinese Journal of Orthopaedic Trauma 2025;27(11):926-934
Objective:To explore the efficacy of a new classification system proposed by us applied to the treatment of irreducible intertrochanteric femoral fractures.Methods:A retrospective study was conducted to analyze the clinical data of the 225 patients with irreducible intertrochanteric femoral fracture who had been treated between January 2023 and November 2024 at Zhengzhou Orthopedic Hospital (78 cases), The First Affiliated Hospital of Zhengzhou University (61 cases), Zhengzhou Central Hospital Affiliated to Zhengzhou University (28 cases), Zhengzhou Hospital of Traditional Chinese Medicine (34 cases), and Puyang Hospital of Traditional Chinese Medicine (24 cases). There were 86 males and 139 females, with an age of (74.8±7.9) years. Satisfactory reduction had failed in all patients even after 3 attempts at closed reduction. The patients were divided into 2 groups based on whether the new classification system proposed by our research team in our previous study was used to guide the treatment. The observation group of 116 cases were treated through an extended incision at the head of the intramedullary nail for reduction and fixation under the guidance of the new classification system while the control group of 109 cases were treated by reduction and fixation through a direct anterolateral incision. The operation time, intraoperative blood loss, fracture healing time, Harris hip scores at 3 months after operation and the last follow-up, and incidence of complications were compared between the 2 groups.Results:No statistically significant differences were observed in the baseline characteristics between the 2 groups, indicating comparability ( P>0.05). All patients were followed up for (12.6±2.5) months after operation. The operation time, intraoperative blood loss, and fracture healing time [(39.5±9.7) minutes, (106.6±54.8) mL, and (3.1±0.7) months] in the observation group were significantly less than those in the control group [(70.2±11.1) minutes, (322.8±55.5) mL, and (4.5±0.7) months] ( P<0.05). The Harris hip scores at 3 months after operation and the last follow-up in the observation group [(90.3±3.4) points and (93.7±3.2) points] were significantly higher than those in the control group [(75.1±3.8) points and (78.7±3.6) points] ( P<0.05). The incidence of complications in the observation group was 6.0% (7/116), significantly lower than that in the control group [14.7% (16/109)] ( P<0.05). Conclusion:In the treatment of irreducible intertrochanteric femoral fractures, compared with the conventional anterolateral approach for intramedullary nailing, the extended intramedullary head nail approach guided by our new classification system can reduce operation time, intraoperative blood loss, fracture healing time, and incidence of postoperative complications, and improve postoperative hip joint function.
10.Research on surgical treatment strategies for Mason type III radial head fracture complicated with adult Bado type II Monteggia fracture
Dawei ZHANG ; Honghao CHEN ; Kun WANG ; Jiangming QI ; Yugang PAN ; Shijun ZHENG ; Aiguo WANG ; Yejun ZHA ; Maoqi GONG ; Dongsheng LI
Chinese Journal of Orthopaedics 2025;45(13):848-855
Objective:To explore the surgical treatment strategies for Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures.Methods:A retrospective analysis was performed on the clinical data of 25 adult patients with Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures, admitted to the Upper Extremity Orthopaedics Department of Zhengzhou Orthopaedic Hospital from June 2013 to June 2023. There were 15 males and 10 females, with an average age of 43.5±14.7 years (range: 20-67 years). Among them, 5 cases were complicated with humeroulnar joint dislocation. The patients were divided into two groups: 17 cases were treated with open reduction and internal fixation (ORIF) of radial head fractures combined with ORIF of proximal ulnar fractures (open reduction group), and 8 cases were treated with radial head replacement combined with ORIF of proximal ulnar fractures (radial head replacement group). At the last follow-up, elbow joint range of motion was recorded, and pain, elbow function, and subjective upper limb function were evaluated using the Visual Analogue Scale (VAS), Mayo Elbow Performance Score (MEPS), and Disabilities of the Arm, Shoulder and Hand (DASH) scale. The incidence of complications was also recorded.Results:All 25 patients were followed up for an average of 25.6±9.0 months (range: 12-45 months). At the last follow-up, the affected elbows in the open reduction group had a flexion of 124.47°±12.59° (range, 90°-140°), extension of 21.12°±10.07° (range, 10°-50°), pronation of 48.59°±11.62° (range, 20°-61°), and supination of 48.53°±8.43° (range, 30°-60°). In the radial head replacement group, the affected elbows showed flexion of 128.75°±13.17° (range, 100°-140°), extension of 14.00°±7.71° (range, 0°-25°), pronation of 61.25°±10.26° (range, 60°-80°), and supination of 71.88°±10.33° (range, 60°-80°). The MEPS score in the open reduction group was 82(75, 85) points (range, 55-90 points), the VAS pain score was 1(1, 2) points (range, 0-3 points), and the DASH score was 9(8, 14) points. In the radial head replacement group, the MEPS score was 90(85, 90) points (range, 85-90 points), the VAS pain score was 1(0, 1) points (range, 0-1 points), and the DASH score was 5(5, 6) points. Complications included 5 cases of heterotopic ossification, 1 case of incision infection, 1 case of nonunion, 1 case of ulnar nerve injury combined with traumatic arthritis, and 1 case of proximal radioulnar bone bridge formation.Conclusions:Both radial head replacement and open reduction internal fixation combined with proximal ulnar fracture fixation can effectively treat Mason type III radial head fractures complicated with adult Bado type II Monteggia fractures. There was no significant difference in postoperative flexion and extension, but the radial head replacement group demonstrated better forearm rotation and DASH scores postoperatively.


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