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1.
Article in Chinese | WPRIM | ID: wpr-867854

ABSTRACT

Objective:To explore whether the deep deltoid ligament (DL) rupture affects the mid-term clinical efficacy of pronation-external rotation (PER) ankle fracture or not.Methods:A ret-rospective study was conducted to analyze the clinical data of 50 patients with ankle fracture of PER type Ⅲ or Ⅳ who had been treated at Department of Orthopedic Trauma, Beijing Jishuitan Hospital from January 2013 to December 2014.They were 37 males and 13 females with an average age of 30.2 years(from 16 to 68 years). According to their type of medial ankle injury, the patients were divided into 2 groups.The experimental group, consisting of 28 patients with deep DL rupture but no medial ankle fracture, did not undergo DL repair operation; the control group, consisting of 22 patients with supracollicular medial malleolar (SMM) fracture but no deep DL rupture, underwent open reduction and internal fixation (ORIF) for SMM.Both groups were treated with ORIF of fibular fracture in addition to syndesmosis screw fixation.The 2 groups were compared in terms of the medial malleolus space and distal tibiofibular space on the imaging exams at more than 6 months, and the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot scores and visual analog scale (VAS) pain scores at the mid-term follow-ups.Results:The differences between the 2 groups in gender, age and mode of concomitant subluxation or dislocation were statistically significant ( P<0.05), but there were no sig-nificant differences between the 2 groups in injury violence, height of fibular fracture line, presence of total dis-location, rate of posterior malleolus fracture, rate of posterior malleolus fixation, implant removal, or operation time ( P>0.05).Imaging exams were conducted for 38 patients at 6 or more months after surgery.The medial malleolus space was 3.7 mm and the distal tibiofibular space 4.5 mm for the 21 cases in the experimental group; the medial malleolus space was 3.4 mm and the distal tibiofibular space 4.4 mm for the 17 cases in the control group.The 3-year follow-up AOFAS scores of the experimental group and the control group were 98.3 and 94.6 respectively; VAS scores were 0.4 and 1.5; the 5-year follow-up AOFAS scores of the experimental group and the control group were 97.1 and 93.6 respectively,and VAS scores were 0.5 and 1.2 respectively.Logistic regression analysis of ordered multi-classification showed that the AOFAS and VAS scores at 3-year and 5-year follow-ups had no significant correlation with the deep DL rupture for the patients<45 years old( P>0.05).Patient age was correlated with the 5-year follow-up AOFAS scores ( P=0.021). Conclusion:In ankle fracture of PER type Ⅲ or Ⅳ treated with lateral malleolar and syndesmosis screw fixation, nonoperative treatment of the deep DL rupture may not influence the mid-term clinical efficacy for the patients less than 45 years old.

2.
Article in Chinese | WPRIM | ID: wpr-743957

ABSTRACT

With the development of information technology and the arrival of the era of big data,our country has introduced a number of policies and regulations to guide the application and development of big data in many industries including health care.This article introduced the background and significance of the development of medical big data,reviewed the characteristics of foreign big data platforms,discussed the management and application of medical big data platform,and anticipated the future development of big data for gastrointestinal cancer and even the entire medical industry.

3.
Article in Chinese | WPRIM | ID: wpr-707412

ABSTRACT

Objective To analyze the associations of age and gender with post-operative outcomes after pilon fracture and the effect of interaction between age and gender on the outcomes.Methods A retrospective cohort study was performed of the 101 successive patients with pilon fracture who had been treated by open reduction and internal fixation from March 2009 to November 2013 and completely followed up.The distributions of potential prognostic factors (diabetes,injury mechanism,open fracture,Rüedi-Allg(o)wer classification and AO classification) were analyzed in different age and gender groups.The outcomes were evaluated in terms of reduction quality by the Burwell-Charnley criteria,time for return to work,traumatic osteoarthritis by Kellgren-Lawrence grading scale and the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score.The odds ratio and regression coefficients were estimated by Logistic regression and linear regression model;P values for interaction between age and gender were estimated by likelihood ratio tests.Results Of all the 101 pilon patients,84 were male and 12 were the aged.The distributions of gender (P =0.028) and mechanism (P =0.032) were significantly different between the aged and the younger patients,showing there were more females in the aged patients and low-energy injury was more likely to cause a pilon fracture in the aged patients.As multivariate analyses suggested,with the above influencing factors controlled,a median follow-up of 41.2 months revealed age was an independent favorable prognostic factor for reduction quality (OR =3.919,P =0.041).The association between gender and time for return to work was significantly different between the aged and the younger patients,as indicated by interaction analyses (P =0.030).Conclusions There may be more females in the aged patients with pilon fracture than in the younger ones.It is likely that the aged patients sustain a pilon fracture because of low-energy injury and achieve a fracture reduction of poorer quality.Although the quality of reduction may be poorer for the aged,there may be no significant difference between the aged and the younger patients in the mid-long-term AOFAS score.It is advisable for surgeons to provide personalized treatment to better help the patients.

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