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首页> 外文期刊>Journal of shoulder and elbow surgery >Excessive radiofrequency application: effects on capsular tissue in an animal model.
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Excessive radiofrequency application: effects on capsular tissue in an animal model.

机译：过度使用射频：在动物模型中对荚膜组织的影响。

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摘要

Capsular attenuation has been seen after thermal capsulorrhaphy surgery. The purpose of this study was to evaluate the mechanical, histologic, and morphologic effects on capsular tissue after cumulative applications of radiofrequency energy. Ovine patellofemoral capsular tissue was treated with 1, 2, 4, or 8 applications of bipolar radiofrequency energy and then analyzed. No acute capsular ablation or destruction was seen grossly, even in the 8-application group. No definitive visual clues that excessive radiofrequency energy had been applied were seen. There was significant shrinkage and loss of tensile stiffness for all thermal application groups. Given the small sample sizes, post-application failure load, percent relaxation, and stiffness were not observed to be significantly different among the groups. Cumulative applications produced minimal further tissue shrinkage but were accompanied by larger, though not statistically significant, mechanical property losses and increased depth of tissue penetration. These findings suggest that there is no benefit to repeated applications of radiofrequency energy to capsular tissue.
机译：在热囊膜切除术手术后已见到囊膜衰减。这项研究的目的是评估射频能量的累积应用后对囊膜组织的机械，组织学和形态学影响。用1、2、4或8次双极射频能量治疗绵羊treated股囊膜组织，然后进行分析。即使在8剂组中，也没有发现严重的急性包膜消融或破坏。没有看到明确的视觉线索，表明已经施加了过多的射频能量。对于所有热应用组来说，都有明显的收缩和拉伸刚度的损失。由于样本量较小，因此在各组之间未观察到施加后的失败载荷，松弛百分率和刚度没有显着差异。累积应用产生的最小进一步组织收缩，但伴随着较大的（尽管在统计学上不显着）机械性能损失和增加的组织穿透深度。这些发现表明，将射频能量重复施加到包膜组织没有益处。

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