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Injury patterns of seniors in traffic accidents: A technical and medical analysis

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World Journal of Orthopedics 2012年第9期3卷 151-155页

作者： Stephan Brand Dietmar Otte christian Walter Mueller Maximilian Petri Philipp Haas Timo Stuebig christian krettek Carl Haasper Accident Research Unit Trauma Department Medical School Hannover (MHH) D-30625 Hannover Germany

AIM:To investigate the actual injury situation of seniors in traffic accidents and to evaluate the different injury ***:Injury data,environmental circumstances and crash circumstances of accidents were collected shortly after the accident event at the *** these data,a technical and medical analysis was performed,including Injury Severity Score,Abbreviated Injury Scale and Maximum Abbreviated Injury *** method of data collection is named the German InDepth Accident Study and can be seen as ***:A total of 4430 injured seniors in traffic accidents were *** incidence of sustaining severe injuries to extremities,head and maxillofacial region was significantly higher in the group of elderly people compared to a younger age(P<0.05).The number of accident-related injuries was higher in the group of seniors compared to other ***:Seniors are more likely to be involved in traffic injuries and to sustain serious to severe injuries compared to other groups.

关键词： Traffic accidents Seniors Head injury Injury severity score Abbreviated injury scale

Intraprosthetic fixation techniques in the treatment of periprosthetic fractures: A biomechanical study

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World Journal of Orthopedics 2012年第10期3卷 162-166页

作者： Stephan Brand Johannes Klotz Thomas Hassel Maximilian Petri Carl Haasper Friedrich-Wilhelm Bach christian krettek Thomas Goesling Department of Trauma Medical School Hannover (MHH) D-30625 Hannover Germany Department of Material Sciences Leibniz University Hannover D-30625 Hannover Germany

AIM: To develop new fixation techniques for the treatment of periprosthetic fractures using intraprosthetic screw fixation with inserted threaded liners. METHODS: A Vancouver B1 periprosthetic fracture was simulated in femur prosthesis constructs using sawbones and cemented regular straight hip stems. Fixation was then performed with either unicortical locked-screw plating using the less invasive stabilization system-plate or with intraprosthetic screw fixation using inserted liners. Two experimental groups were formed using either prostheses made of titanium alloy or prostheses made of cobalt chrome alloy. Fixation stability was compared in an axial load-to-failure model. Drilling was performed using a specially invented prosthesis drill with constantly applied internal ***: The intraprosthetic fixation model with titanium prostheses was superior to the unicortical lockedscrew fixation in all tested devices. The intraprosthetic fixation model required 10 456 N ± 1892 N for failure and the unicortical locked-screw plating required 7649 N ± 653 N(P < 0.05). There was no significant difference between the second experimental group and the control ***: Intraprosthetic screw anchorage with special threaded liners enhances the primary stability in treating periprosthetic fractures by internal fixation.

关键词： Periprosthetic fracture Less invasive stabilization system Plate fixation Intraprosthetic screw fixation Material science Biomechanical testing Axial load-to-failure

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术中三维图像导航下的经皮骶髂关节螺钉固定

中华医学杂志 2008年第45期88卷 3226-3229页

作者：孙业青 Musa Citak Daniel Kendoff Axel Gansslen christian krettek Tobias Hufner 上海市第十人民医院骨科 200072 Trauma Department Hannover Medical school Hannover 30625 Germany

目的探讨术中三维图像导航下经皮骶髂关节螺钉固定术的使用技术。方法16例骶骨骨折安装定位标记后三维C臂机扫描，获取骨盆三维图像，输出到导航设备后自动进行注册。根据导航探针的指示做皮肤小切口，运用导航电钻经皮钻孔后空心螺钉... 详细信息

目的探讨术中三维图像导航下经皮骶髂关节螺钉固定术的使用技术。方法16例骶骨骨折安装定位标记后三维C臂机扫描，获取骨盆三维图像，输出到导航设备后自动进行注册。根据导航探针的指示做皮肤小切口，运用导航电钻经皮钻孔后空心螺钉固定骶髂关节。术毕三维扫描了解内固定情况，术后CT扫描评价螺钉位置。结果所有16例手术20枚螺钉均顺利植入，无术中及术后并发症，所有螺钉均固定至骶1椎体。手术时间平均80min，术中放射时间平均1．13min。4例进行了双侧骶髂关节螺钉固定，所需手术时间及术中透视时间较长。术毕三维扫描及术后CT扫描显示所有骨折或脱位复位后位置满意，螺钉的位置均满意。结论术中三维图像导航下的骶髂关节螺钉固定术是可行的。虽然有术中图像质量相对CT较差、手术时间相对较长、需要导航设备等缺点，但相对于传统透视下的方法，它能减少手术中的放射量、提高手术的准确性，是一有效的临床新技术。

关键词：治疗计算机辅助手术成像三维骶髂关节内固定器

Overweight and obesity in hip and knee arthroplasty:Evaluation of 6078 cases

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World Journal of Orthopedics 2015年第1期6卷 137-144页

作者： Daniel Guenther Stefan Schmidl Till O Klatte Harald K Widhalm Mohamed Omar christian krettek Thorsten Gehrke Daniel Kendoff Carl Haasper Orthopaedic Department Helios-Endo Klinik Hamburg Trauma Department Hannover Medical School (MHH) Department of Trauma Handand Reconstructive SurgeryUniversity Medical Center Hamburg-Eppendorf Department of Trauma Surgery Medical University of Vienna

AIM: To evaluate a possible association between thevarious levels of obesity and peri-operative characteristics of the procedure in patients who underwent endoprosthetic joint replacement in hip and knee joints. METHODS: We hypothesized that obese patients were treated for later stage of osteoarthritis, that more conservative implants were used, and the intraand perioperative complications increased for such patients. We evaluated all patients with body mass index(BMI) ≥ 25 who were treated in our institution from January 2011 to September 2013 for a primary total hip arthroplasty(THA) or total knee arthroplasty(TKA). Patients were split up by the levels of obesity according to the classification of the World Health Organization. Average age at the time of primary arthroplasty, preoperative Harris Hip Score(HHS), Hospital for Special Surgery score(HSS), gender, type of implanted prosthesis, and intra-and postoperative complications were ***: Six thousand and seventy-eight patients with a BMI ≥ 25 were treated with a primary THA or TKA. Age decreased significantly(P < 0.001) by increasing obesity in both the THA and TKA. HHS and HSS were at significantly lower levels at the time of treatment in the super-obese population(P < 0.001). Distribution patterns of the type of endoprostheses used changed with an increasing BMI. Peri- and postoperative complications were similar in form and quantity to those of the normal population. CONCLUSION: Higher BMI leads to endoprosthetic treatment in younger age, which is carried out at significantly lower levels of preoperative joint function.

关键词： Adiposity Total knee arthroplasty Total hip arthroplasty Obesity Overweight Prosthesis

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计算机导航精确度及其在骨科中的应用

中华医学杂志 2007年第37期87卷 2662-2664页

作者：孙业青 Musa Citak Tobias Hufner christian krettek Daniel Kendoff 上海市第十人民医院骨科 210000 德国汉诺威医科大学创伤科

随着计算机辅助手术技术的发展，计算机导航越来越多地被应用到骨科的各个领域。计算机辅助手术的目标总体上来说主要是提高手术的准确性、减少手术中放射线的照射量、达到微创的目的以及使手术简单化。然而，由于不同的导航系统有不同... 详细信息

随着计算机辅助手术技术的发展，计算机导航越来越多地被应用到骨科的各个领域。计算机辅助手术的目标总体上来说主要是提高手术的准确性、减少手术中放射线的照射量、达到微创的目的以及使手术简单化。然而，由于不同的导航系统有不同的操作程序、系统需要不同的影像支持以及医生的操作习惯不同，因此找到一种适合骨科医生自己需要的导航系统是非常重要的。

关键词：计算机导航骨科医生计算机辅助手术精确度手术技术导航系统操作习惯照射量

导航下控制股骨干骨折复位髓内钉固定术的初步临床研究

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中华创伤杂志 2009年第3期25卷 232-235页

作者：孙业青 Musa Citak Thomas Gosling Tobias Hufner christian krettek Daniel Kendoff 同济大学附属上海市第十人民医院骨科上海200072 Trauma Department Hannover Medical School 30625 HannoverGermany

目的介绍计算机导航下，根据健侧股骨控制股骨干骨折复位髓内钉固定术这一新技术并探讨初步临床结果。方法应用新的计算机导航模式，根据健侧股骨前倾角控制股骨骨折旋转并进行复位固定。首先应用非侵入性定位标志进行健侧注册，获取影... 详细信息

目的介绍计算机导航下，根据健侧股骨控制股骨干骨折复位髓内钉固定术这一新技术并探讨初步临床结果。方法应用新的计算机导航模式，根据健侧股骨前倾角控制股骨骨折旋转并进行复位固定。首先应用非侵入性定位标志进行健侧注册，获取影像后导航系统自动计算股骨前倾角。股骨骨折固定微创定位标记系统后获取影像资料进行注册。计算机导航下根据健侧数据进行骨折闭合复位髓内钉固定术。术后双侧肢体同时进行CT扫描对比旋转情况，并与术中导航系统显示结果对比。结果14例股骨骨折应用上述方法成功进行复位固定，无术中及术后并发症发生。术后CT显示股骨旋转与术中导航系统显示结果一致，旋转与健侧相差均在3°以内。结论计算机导航下运用健侧股骨控制骨折复位固定能有效控制股骨旋转，减少术后股骨旋转并发症，是一有效的新技术。

关键词：股骨骨折骨折固定术, 髓内手术, 计算机辅助

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术中三维图像导航下的经皮骶髂关节螺钉固定

术中三维图像导航下的经皮骶髂关节螺钉固定

第七届全国创伤学术会议暨2009海峡两岸创伤医学论坛

作者：孙业青 Tobias Hufner christian krettek 吴卫平李少华蔡郑东上海市第十人民医院骨科

目的介绍术中三维图像导航下经皮骶髂关节螺钉固定术,与传统方法比较分析术中三维图像导航下骶髂关节螺钉固定术的优缺点。方法传统方法下应用单一C臂机进行骶髂关节螺钉固定术。三维C臂机扫描获取骨盆三维图像,输出到导航设备后自动进...

目的介绍术中三维图像导航下经皮骶髂关节螺钉固定术,与传统方法比较分析术中三维图像导航下骶髂关节螺钉固定术的优缺点。方法传统方法下应用单一C臂机进行骶髂关节螺钉固定术。三维C臂机扫描获取骨盆三维图像,输出到导航设备后自动进行注册。根据导航探针的指示做皮肤小切口,运用导航电钻经皮钻孔后空心螺钉固定骶髂关节,术毕三维扫描了解内固定情况。术后

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术中三维图像导航下的经皮骶髂关节螺钉固定

术中三维图像导航下的经皮骶髂关节螺钉固定

膝关节置换术后股骨远端骨折LISS钢板固定

2009第十七届全国中西医结合骨伤科学术研讨会

作者：孙业青 Tobias Hufner christian krettek 吴卫平李少华蔡郑东同济大学附属第十人民医院骨科 Trauma Department Hannover Medical School Germany

目的介绍术中三维图像导航下经皮骶髂关节螺钉固定术,与传统方法比较分析术中三维图像导航下骶髂关节螺钉固定术的优缺点.方法传统方法下应用单一C臂机进行骶髂关节螺钉固定术.三维C臂机扫描获取骨盆三维图像,输出到导航设备后自动进行... 详细信息

目的介绍术中三维图像导航下经皮骶髂关节螺钉固定术,与传统方法比较分析术中三维图像导航下骶髂关节螺钉固定术的优缺点.方法传统方法下应用单一C臂机进行骶髂关节螺钉固定术.三维C臂机扫描获取骨盆三维图像,输出到导航设备后自动进行注册.根据导航探针的指示做皮肤小切口,运用导航电钻经皮钻孔后空心螺钉固定骶髂关节,术毕三维扫描了解内固定情况.术后CT扫描所有病例评价螺钉位置.比较传统方法及术中三维图像导航下骶髂关节螺钉固定的手术时间、术中放射时间、螺钉植入的准确性.结果2位术者应用传统方法进行骶髂关节螺钉固定19例,导航组4位医师共进行16例20枚骶髂关节螺钉固定.所有手术均顺利进行,无术中及术后并发症,螺钉均为7.3mm空心钉,均固定至骶1椎体。传统组手术平均时间45(20-106)分钟,导航组手术时间平均80(50-1 32)分钟.术中放射时间传统组平均129(35-241)秒,导航组73(67-160)秒.术毕三维扫描了解骨折情况及螺钉的位置.术后CT扫描显示,传统组14/19螺钉位置非常满意,2例进入椎管,导航组18/20螺钉位置非常满意,无椎管内螺钉.结论术中三维图像导航下的骶髂关节螺钉固定术是可行的.虽然有术中图像质量相对CT较差、手术时间相对较长、需要导航设备等缺点,但相对于传统透视下的方法,它能减少手术中的放射量、提高手术的准确性,是一有效的临床新技术.

关键词：导航计算机辅助手术三维成像骶髂关节螺钉固定骨盆骨折

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膝关节置换术后股骨远端骨折LISS钢板固定