中华骨科杂志
中華骨科雜誌
중화골과잡지
CHINESE JOURNAL OF ORTHOPAEDICS
2013年
11期
1135-1140
,共6页
王欣%徐吉海%白露%王胜伟%潘佳栋%陈宏%章伟文
王訢%徐吉海%白露%王勝偉%潘佳棟%陳宏%章偉文
왕흔%서길해%백로%왕성위%반가동%진굉%장위문
前臂损伤%关节不稳定性%韧带%修复外科手术%旋转%生物力学
前臂損傷%關節不穩定性%韌帶%脩複外科手術%鏇轉%生物力學
전비손상%관절불은정성%인대%수복외과수술%선전%생물역학
Forearm Injuries%Joint Instability%Ligaments%Reconstructive surgical procedures%Rotation%Biomechanics
目的 采用生物力学方法比较不同重建术式对远侧尺桡关节脱位重建后的抗扭转的效果,为临床应用提供生物力学依据.方法 选取6侧成人上肢标本,男4侧,女2侧;死亡年龄36~78岁,平均为64.9岁;左侧3侧,右侧3侧.采用标准的掌、背侧韧带切除法制作远侧尺桡关节脱位模型,根据临床常用术式将重建手术分为经远侧尺桡关节骨道内重建组(关节内组)和环绕远侧尺桡关节捆绑重建组(关节外组).同一标本在扭转速度为5°/min、最大扭转角度90°、最大扭矩1N·mm的力学条件下,分别对其正常、远侧尺桡关节脱位、关节内重建、关节外重建四种情况下前臂旋转的扭矩进行测量.结果 正常组旋前扭矩平均为(0.44±0.10) N·mm,远侧尺桡关节损伤组平均为(0.37±0.09) N·mm,关节内重建组平均为(0.45±0.09) N·mm,关节外重建组平均为(0.42±0.09) N·mm,远尺桡关节损伤组扭矩明显低于正常组(t=2.043,P=0.047),关节内重建组(t=0.076,P=0.822)与关节外重建组(t=0.837,P=0.715)与正常组比较差异均无统计学意义.正常组旋后扭矩平均为(0.56±0.16) N·mm,远侧尺桡关节损伤组平均为(0.42±0.11) N·mm,关节内重建组平均为(0.54±0.16) N·mm,关节外重建组平均为(0.51±0.13) N·mm,组间比较差异均无统计学意义.结论 关节内重建和关节外重建均可恢复远侧尺桡关节的旋转稳定性并恢复扭矩至接近正常水平,上述两种重建方式在力学稳定性上无明显的差异.
目的 採用生物力學方法比較不同重建術式對遠側呎橈關節脫位重建後的抗扭轉的效果,為臨床應用提供生物力學依據.方法 選取6側成人上肢標本,男4側,女2側;死亡年齡36~78歲,平均為64.9歲;左側3側,右側3側.採用標準的掌、揹側韌帶切除法製作遠側呎橈關節脫位模型,根據臨床常用術式將重建手術分為經遠側呎橈關節骨道內重建組(關節內組)和環繞遠側呎橈關節捆綁重建組(關節外組).同一標本在扭轉速度為5°/min、最大扭轉角度90°、最大扭矩1N·mm的力學條件下,分彆對其正常、遠側呎橈關節脫位、關節內重建、關節外重建四種情況下前臂鏇轉的扭矩進行測量.結果 正常組鏇前扭矩平均為(0.44±0.10) N·mm,遠側呎橈關節損傷組平均為(0.37±0.09) N·mm,關節內重建組平均為(0.45±0.09) N·mm,關節外重建組平均為(0.42±0.09) N·mm,遠呎橈關節損傷組扭矩明顯低于正常組(t=2.043,P=0.047),關節內重建組(t=0.076,P=0.822)與關節外重建組(t=0.837,P=0.715)與正常組比較差異均無統計學意義.正常組鏇後扭矩平均為(0.56±0.16) N·mm,遠側呎橈關節損傷組平均為(0.42±0.11) N·mm,關節內重建組平均為(0.54±0.16) N·mm,關節外重建組平均為(0.51±0.13) N·mm,組間比較差異均無統計學意義.結論 關節內重建和關節外重建均可恢複遠側呎橈關節的鏇轉穩定性併恢複扭矩至接近正常水平,上述兩種重建方式在力學穩定性上無明顯的差異.
목적 채용생물역학방법비교불동중건술식대원측척뇨관절탈위중건후적항뉴전적효과,위림상응용제공생물역학의거.방법 선취6측성인상지표본,남4측,녀2측;사망년령36~78세,평균위64.9세;좌측3측,우측3측.채용표준적장、배측인대절제법제작원측척뇨관절탈위모형,근거림상상용술식장중건수술분위경원측척뇨관절골도내중건조(관절내조)화배요원측척뇨관절곤방중건조(관절외조).동일표본재뉴전속도위5°/min、최대뉴전각도90°、최대뉴구1N·mm적역학조건하,분별대기정상、원측척뇨관절탈위、관절내중건、관절외중건사충정황하전비선전적뉴구진행측량.결과 정상조선전뉴구평균위(0.44±0.10) N·mm,원측척뇨관절손상조평균위(0.37±0.09) N·mm,관절내중건조평균위(0.45±0.09) N·mm,관절외중건조평균위(0.42±0.09) N·mm,원척뇨관절손상조뉴구명현저우정상조(t=2.043,P=0.047),관절내중건조(t=0.076,P=0.822)여관절외중건조(t=0.837,P=0.715)여정상조비교차이균무통계학의의.정상조선후뉴구평균위(0.56±0.16) N·mm,원측척뇨관절손상조평균위(0.42±0.11) N·mm,관절내중건조평균위(0.54±0.16) N·mm,관절외중건조평균위(0.51±0.13) N·mm,조간비교차이균무통계학의의.결론 관절내중건화관절외중건균가회복원측척뇨관절적선전은정성병회복뉴구지접근정상수평,상술량충중건방식재역학은정성상무명현적차이.
Objective To compare the torque resistance effect with different types of reconstruction of the distal radioulnar joint (DRUJ) dislocation,in order to explore biomechanical basis for clinical practice.Methods Six adult cadaver forearm were used,including 4 males and 2 females.The average death age was 64.9 years (range,36-78 years).Three were right side,3 were left side.The DRUJ dislocation model was made after the standardized resection of the palmar and dorsal DRUJ ligament.Clinic reconstruction methods of the DRUJ include trans-bone tunnel renconstruction (intra-articular reconstruction) and "Loop"tie up reconstruction (extra-articular reconstruction).The mechanical properties as follows:torque velocity:5°/min,maximum torque angulation:90°,maximum torsion force:1 N· mm.Each limb was detected for the torque mechanic under four conditions:normal,DRUJ dislocation,intra-articular reconstruction and extra-articular reconstruction.Results Each limb was inspected for intact mechanic baseline and without the visual damage to the bone.The average pronation torque resistance on normal condition was (0.44±0.10) N·mm,(0.37±0.09) N·mm on DRUJ dislocation group,(0.45±0.09) N-mm on intra-articular reconstruction group,and (0.42±0.09) N·nun on extra-articular reconstruction group.Pronation torque resistance of DRUJ dislocation group was apparently lower than the normal group (t=2.043,P=-0.047).The pronation torque resistance reconstruction group had no significant difference with normal group.The average supination torque resistance on normal condition was (0.56±0.16) N·mm,while on DRUJ dislocation group was (0.42±0.11) N-mm,on intra-articular reconstruction group was (0.54±0.16) N·mm,on extra-articular reconstruction group was (0.51±0.13) N·mm.There were no apparent differences among four groups.Conclusion Both internal and external reconstruction could recover the rotation stability and normalize the torque resistance,without statistical difference.