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At least 91 records · Page 5Linked to original sources
PubMed1989

[Subtotal and total traumatic extremity amputation--when replantation, when amputation?].

The major problems besetting replantation of a limb are the very limited tolerance of muscle tissue to ischemia (in our experiences 5 h) and the possibility of severe postischemic complications either in the limb itself (capillary thrombosis, muscle necrosis) or systemically (kidney failure, speticemia). Between 1975 and 1988, 66 limb replantations (57 arms, 9 legs) were carried out. All nine legs had to be reamputated. Forty-five of the 57 reattached upper extremities (80%) healed without any major complications, 60% exhibited good or very good results (Grade II or I, Classification by Chen).

Amputation, Surgical↗
PubMedDate not supplied

Analysis of fixation methods for vertical shear fractures of the medial malleolus.

OBJECTIVE: To evaluate 4 different fixation methods used to treat vertical shear fractures of the medial malleolus. METHODS: Eighty polyurethane models of the distal tibia were osteotomized in a reproducible manner to create a vertical shear fracture of the medial malleolus. Twenty specimens were then randomly assigned to 1 of 4 fixation groups. Two fixation groups used a neutralization plate, whereas 2 groups were screw-only constructs. Ten of the specimens in each group were then randomly assigned to undergo either offset axial or offset transverse loading. RESULTS: The construct using a neutralization plate with 2 screws in the distal fragment exhibited greater stiffness in offset axial loading compared with the screw-only constructs placed an equivalent distance from the tibial plafond. All specimens in the group with the properly applied neutralization plate exhibited elastic deformation, whereas the majority of the specimens in all other groups showed residual displacement or catastrophic failure of the construct. CONCLUSION: Fixation of vertical shear fractures of the medial malleolus with a properly applied neutralization plate offers a significant mechanical advantage over screw-only constructs.

Ankle Injuries↗