Biomechanical validation of medial pie-crusting for soft-tissue balancing in knee arthroplasty

William Mihalko, Erik L. Woodard, Casey T. Hebert, John Crockarell, John L. Williams

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Balancing a varus knee is traditionally accomplished by releasing the medial soft-tissue sleeve off the tibia. Recently, "pie-crusting" (PC) medial structures has been described. In a biomechanical cadaver study we compared PC to traditional release (TR) to determine their effects on flexion and extension gaps. PC was done in five specimens along the anterior half of the medial soft-tissue sleeve and five along the posterior half, followed by a traditional release. In 90° flexion, valgus laxity after TR was significantly greater than after PC alone. PC of the anterior or posterior aspect of the medial soft-tissue sleeve can effect changes more in flexion than in extension, respectively. Complete TR did not provide more gap opening than PC in extension, but produced more effect in flexion.

Original languageEnglish (US)
Pages (from-to)296-299
Number of pages4
JournalJournal of Arthroplasty
Volume30
Issue number2
DOIs
StatePublished - Jan 1 2015

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Knee Replacement Arthroplasties
Tibia
Cadaver
Knee

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine

Cite this

Biomechanical validation of medial pie-crusting for soft-tissue balancing in knee arthroplasty. / Mihalko, William; Woodard, Erik L.; Hebert, Casey T.; Crockarell, John; Williams, John L.

In: Journal of Arthroplasty, Vol. 30, No. 2, 01.01.2015, p. 296-299.

Research output: Contribution to journalArticle

Mihalko, William ; Woodard, Erik L. ; Hebert, Casey T. ; Crockarell, John ; Williams, John L. / Biomechanical validation of medial pie-crusting for soft-tissue balancing in knee arthroplasty. In: Journal of Arthroplasty. 2015 ; Vol. 30, No. 2. pp. 296-299.
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