骨科-股骨头坏死ONFH
88页1、股骨头坏死ONFH Osteonecrosis of the femoral head,医院骨科,提 纲,提 纲,First described in 1794 by James Russel. A book on bone necrosis. Fully described by Phemister in 1930 This entity was reviewed by Mankin and Brower with 5 cases in 1962.,Overview,Osteonecrosis, also known as aseptic necrosis, avascular necrosis (AVN), and ischemic necrosis. Compromise of the bone vasculature, leading to the death of bone and marrow cells (bone marrow infarction), and ultimate mechanical failure is common to most proposed
2、etiologies. The process is most often progressive, resulting in joint destruction within a few months to two years in the majority of patients,Overview,Epidemiology,50years The male-to-female ratio varies depending upon the associated co-morbidities. (NONFH8,120,000, M. 1.2% vs F. o.51%) Specific data not available. Estimated new cases: 15,000/year in USA 200,000/year in China20-38/100000 in Korea,Overview,提 纲,A variety of traumatic and atraumatic factors Traumatic:hip fracture and dislocation,f
3、ractures of the scaphoid and lunate, knee Atraumatic Long term Steroid:duration/initial dose/total dosage Excessive Alcohol Dysbarism Hemoglobinopathy Collagen disorder RadiationPregnancy Bisphosphonate use Idiopathic:Gene COL2A1 mutation,Etiology and Pathology,Bone marrow cell infarction:约在血流中断后612h,造血细胞最先死亡。 12h后,为骨细胞和骨母细胞死亡。 15天后脂肪细胞死亡。 2weeks empty lacuna. 空骨陷窝 组织学是金标准,最早。 影像学2周或更长,Etiology and Pathology,第一PPT模板网 damage genetic predisposition metabolic factors intraosseous pressure osteoper
4、osis,Mechanical stress + Ischemia,Deformity,Steroid induced ONFH,Controversial combined,trauma,Decreased blood flow,Intravascular coagulation,alcohol & corticosteroid,Vascular interruption,Thrombotic occlusion,Fat emboli,Ischemia,Osteocyte necrosis,Bone repair,Collapse,Etiology,Pathogenesis,Decreased blood flow,Pathophysiology,Histopathology,Etiology and Pathology,Case1,Pathology,Cartilage,Sclerosis,Fibrous T.,Dead bone,Normal,Etiology and Pathology,Cartilage,Sclerosis,Fibrous T.,Dead bone,Norma
《骨科-股骨头坏死ONFH》由会员文***分享,可在线阅读,更多相关《骨科-股骨头坏死ONFH》请在金锄头文库上搜索。
生物化学 第六讲RNA的生物合成和加工
毒理学第五章毒作用的影响因素
质量员(市政工程)专业知识练习题
施工员(土建施工)专业技能案例练习题
施工员(土建施工)专业技能练习题
质量员(设备安装)专业知识练习题
质量员(设备安装)专业技能练习题
机械员专业知识练习题
施工员(市政工程)专业知识练习题
施工员(土建施工)专业知识练习题
质量员(市政工程)专业技能练习题
资料员专业知识练习题(重点类)
质量员(装饰装修)专业技能练习题
幼儿园小班健康活动:《动一动真有趣》
幼儿园小班科学:老鼠阿姨的礼物
幼儿园大班综合:教室中的垃圾分类
幼儿园小班常规教案:我不乱扔东西
幼儿园大班科学:小绿豆变变变
幼儿园大班语言:春雨
幼儿园大班科学:蚂蚁会游泳吗
2024-04-09 39页
2024-04-09 13页
2024-04-09 34页
2024-04-09 30页
2024-04-09 16页
2024-04-09 38页
2024-04-09 31页
2024-04-09 25页
2024-04-09 27页
2024-04-09 33页