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find Author "LIU Wanjun" 2 results
  • Analysis of the disease burden of pancreatitis in China from 1990 to 2019

    ObjectiveThis study aimed to analyze the disease burden of pancreatitis in China from 1990 to 2019 and to provide references for the prevention and treatment of pancreatitis. MethodsThe data were obtained from the Global Burden of Disease Study 2019 (GBD 2019). The incidence, mortality, disability-adjusted life years (DALYs), years of life lost (YLLs), years lived with disability (YLDs) and their corresponding age-standardized rate, and annual average percentage change (AAPC) were selected as the main indicators to compare the burden of pancreatitis in China, the United States and globally from 1990 to 2019. ResultsIn 2019, the age-standardized incidence, mortality, DALY, YLL, and YLD rates in China were 26.76/100 000, 0.59/100 000, 16.09/100 000, 14.61/100 000, and 1.48/100 000, respectively, and decreased by 8.94%, 45.33%, 49.12%, 50.98%, and 18.49%, respectively, compared with those in 1990. The burden of pancreatitis in China gradually increased with age, but was lower than that in the United States and globally. The DALY due to alcohol continually increased in China, the United States, and globally. ConclusionFrom 1990 to 2019, the burden of pancreatitis in China shows a decreasing trend and is lower than that in the United States and globally. However, the disease burden caused by alcohol and aging is increasing; therefore, effective measurements to alleviate the burden of pancreatitis in China are needed.

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  • Effectiveness of intraoperative tibia fibular angle and femoral fibular angle in predicting coronal lower limb alignment after medial open-wedge high tibial osteotomy

    Objective To explore the prediction of postoperative coronal lower limb alignment by the tibia fibular angle (TFA) and femoral fibular angle (FFA) after osteotomy in medial open-wedge high tibial osteotomy (MOWHTO). Methods A clinical data of 20 patients with medial compartment osteoarthritis, who were treated with MOWHTO between September 2019 and September 2020, was retrospectively analyzed. Among them, there were 9 males and 11 females; the age ranged from 46 to 69 years, with an average of 56.0 years. The body mass index (BMI) was 21.3- 35.7 kg/m2, with an average of 26.7 kg/m2. Osteoarthritis involved 11 cases of left knee and 9 cases of right knee; the disease duration was 2-6 years, with an average of 3.8 years. According to the Kellgren-Lawrence classification, there were 7 cases of grade Ⅰ, 9 cases of grade Ⅱ, and 4 cases of grade Ⅲ. The angle and height for open-wedge was planned preoperatively by osteotomy master software, and the TFA and FFA were measured by software after simulated osteotomy. The intraoperative angle for open-wedge was adjusted according to TFA and FFA after simulated osteotomy.The lateral distal femoral angle (LDFA), medial proximal tibial angle (MPTA), joint line convergence angle (JLCA), mechanical femorotibial angle (mFTA), weight-bearing line (WBL) ratio, TFA, and FFA were measured before operation and at 2 days after operation. The difference (X) between the intraoperative measurement value and the preoperative plan value of TFA/FFA, and the difference (Y) between the postoperative WBL ratio and the target alignment (62.5%) were calculated, and the correlation between the two indicators was analyzed by Pearson’s test. According to the median BMI of patients (25.81 kg/m2), the patients were allocated into high BMI group (>25.81 kg/m2, n=10) and low BMI group (≤25.81 kg/m2, n=10), and the influencing factors of WBL ratio was analyzed by linear regression. Results There was no significant difference between pre- and post-operation in LDFA and JLCA (P>0.05); while there were significant differences between pre- and post-operation in MPTA, mFTA, and WBL ratio (P<0.05). The TFA was (89.5±4.0)° during operation and (87.7±4.7)° after operation, showing significant difference (t=2.991, P=0.008). There was a positive correlation between the difference (X) between the intraoperative measurement value and the preoperative plan value of TFA and the difference (Y) between the postoperative WBL ratio and the target alignment (r=0.595, P=0.006). The FFA was (86.9±4.3)° during operation and (85.7±4.4)° after operation, showing significant difference (t=1.760, P=0.094). There was a positive correlation between the difference (X) between the intraoperative measurement value and the preoperative plan value of FFA and the difference (Y) between the postoperative WBL ratio and the target alignment (r=0.536, P=0.015). After BMI stratification, X was an influential factor of Y in the low BMI group (P<0.05), but X was not an influential factor of Y in the high BMI group (P>0.05). Conclusion Intraoperative FFA and TFA can predict coronal limb alignment after MOWHTO. FFA and TFA can predict more preciselyfor patients with BMI≤25.81 kg/m2.

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