EFFECT OF PARTIAL LACERATION ON THE STRUCTURAL-PROPERTIES OF THE CANINE FDP TENDON - AN IN-VITRO STUDY

被引：25

作者：

MCCARTHY, DM ^{[1
]}

TRAMAGLINI, DM ^{[1
]}

CHAN, SS ^{[1
]}

SCHMIDT, CC ^{[1
]}

SOTEREANOS, DG ^{[1
]}

HERNDON, JH ^{[1
]}

机构：

[1] UNIV PITTSBURGH,MUSCULOSKEKETAL RES CTR,DEPT ORTHOPAED SURG,PITTSBURGH,PA 15213

来源：

JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 1995年 / 20A卷 / 05期

关键词：

D O I：

10.1016/S0363-5023(05)80434-4

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

The appropriate management of partially lacerated digital flexor tendons in zone 2 is controversial. Tenorrhaphy has been advocated by some on the basis of improving tendon gliding function, whereas others have recommended foregoing tenorrhaphy because of the negative impact of repair on the tensile strength of the tendon. In light of this division, we undertook a study of the effect of varying degrees of partial laceration on the structural properties of the canine flexor digitorum profundus tendon. Lacerations up to 90% of the tendon cross-sectional area were surgically fashioned. We conclude that the structural properties of the tendon are increasingly adversely affected as laceration size increases. However, based on previous estimates of in vivo forces, even tendons with up to 60% cross-sectional area involvement may be strong enough to withstand an early active mobilization regimen. Further, we conclude that neither calipers nor naked-eye estimates provide a reliable means of assessing the extent of tendon laceration.

引用

页码：795 / 800

页数：6

共 26 条

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