Implant characteristics affect in vivo shoulder kinematics during multiplanar functional motions after reverse shoulder arthroplasty.
Implant characteristics affect in vivo shoulder kinematics during multiplanar functional motions after reverse shoulder arthroplasty.
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DOI：
10.1016/j.jbiomech.2022.111050
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发表时间：
2022-04
影响因子：
2.4
通讯作者：
Lin, Albert
中科院分区：
文献类型：
--
作者：
Como, Christopher;LeVasseur, Clarissa;Kane, Gillian;Rai, Ajinkya;Munsch, Maria;Gabrielli, Alexandra;Hughes, Jonathan;Anderst, William;Lin, Albert
本研究的目的是确定植入物特性如何影响反向肩关节置换术(RSA)后的活体肩部运动学。采用光学运动捕捉技术，对32名受试者在肩关节平面外展、手到头、手到背、内外旋90°外展和外旋5种动作下患侧上肢的运动学进行了测量。计算每个运动的肩外展、仰面、内/外旋转活动范围(ROM)、峰角和连续运动学波形。通过多元回归分析，确定偏侧化、肩关节后倾、关节球大小、关节球倾斜度、关节镜偏心率和假体颈干角(135°或145°)等运动学特征与假体特征之间的关系。在外旋过程中，较小的肱骨后倾角与较大的肩部旋转活动度(p=.036)和较大的仰卧面活动度(p=.024)相关，而较小的偏心率与较大的后仰卧面有关(p=.021)。在手到背的过程中，145°植入物与更大的内/外肩旋转活动度(p<；.001)、更大的内肩旋转(p=.002)和更大的仰面活动度(p=001)相关。在肩部旋转时，145°植入物也与更多的内/外旋转活动度相关(p=.043)，在外展活动度时，也与更多的外展活动度相关(p=.043)。在手背运动中，颈干角135°的人在21-51%的运动中外展更多，在70%-100%的运动中内旋更少，而更偏侧的个体从90%-100%的运动中内旋更少。在RSA术后的复杂运动中，后倾角和植入物颈干角是与活体肩部运动学相关的主要植入物特征。
The purpose of this study was to determine how implant characteristics affect in vivo shoulder kinematics after reverse shoulder arthroplasty (RSA). Kinematics of the affected upper limb were measured in 32 participants during five motions (scapular plane abduction, hand-to-head, hand-to-back, internal/external rotation at 90° abduction, and circumduction) using optical motion capture. Shoulder abduction, plane of elevation, and internal/external rotation range of motion (ROM), peak angles, and continuous kinematics waveforms were calculated for each motion. Multiple regression was used to identify associations between kinematics and implant characteristics of lateralization, humeral retroversion, glenosphere size, glenosphere tilt, glenoid eccentricity, and implant neck-shaft angle (135° or 145°). Less humeral retroversion was associated with greater shoulder rotation ROM (p=.036) and greater plane of elevation ROM (p=.024) during circumduction, while less eccentricity was associated with more posterior plane of elevation during hand-to-back (p=.021). The 145° implant was associated with greater internal/external shoulder rotation ROM (p<.001), greater internal shoulder rotation (p=.002), and greater plane of elevation ROM (p= 001) during the hand-to-back. The 145° implant was also associated with more internal/external rotation ROM (p=.043) during shoulder rotation and more abduction ROM during circumduction (p=.043). During the hand-to-back motion, individuals having 135° neck-shaft angle implants were more abducted from 21–51% of the motion and were less internally rotated from 70–100% of the motion, while more lateralization was associated with less internal rotation from 90–100% of the motion. Retroversion and implant neck-shaft angle are the primary implant characteristics associated with in vivo shoulder kinematics during complex motions after RSA.
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影响因子：
4.2
作者：
Bergmann, Jeroen H. M.;de Leeuw, M.;Willems, W. J.
通讯作者：
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影响因子：
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