Initial laxity does not correlate with subsequent laxity after ACL reconstruction in humans: a prospective evaluation.

Robert A. Pedowitz; Debra Jean Popejoy

Initial laxity does not correlate with subsequent laxity after ACL reconstruction in humans: a prospective evaluation.

Robert A. Pedowitz, Debra Jean Popejoy

Orthopaedic Surgery

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Fifty-seven patients without other ligament injury underwent anterior cruciate ligament reconstruction (50 B-L-B, 7 hamstring). KT-1000 assessments were made preoperatively in clinic under anesthesia before and immediately after fixation and at 6-month follow-up. Preoperative manual maximum (ManMax) side-to-side difference (ManMaxdelta) under anesthesia (9.2 +/- 3.5 mm) was significantly larger than in clinic (6.1 +/- 1.8 mm), P < .0001. This difference is important when arthrometer thresholds are used for decision making. ManMaxdelta increased significantly from -0.7 +/- 2.5 mm immediately after surgery to 2.1 +/- 2.3 mm at 6 months (P < .0001). There was no significant correlation between immediate postoperative and 6-month ManMaxdelta (r = .125).

Original language	English (US)
Pages (from-to)	560-564
Number of pages	5
Journal	American journal of orthopedics (Belle Mead, N.J.)
Volume	33
Issue number	11
State	Published - Nov 2004

ASJC Scopus subject areas

Surgery

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title = "Initial laxity does not correlate with subsequent laxity after ACL reconstruction in humans: a prospective evaluation.",

abstract = "Fifty-seven patients without other ligament injury underwent anterior cruciate ligament reconstruction (50 B-L-B, 7 hamstring). KT-1000 assessments were made preoperatively in clinic under anesthesia before and immediately after fixation and at 6-month follow-up. Preoperative manual maximum (ManMax) side-to-side difference (ManMaxdelta) under anesthesia (9.2 +/- 3.5 mm) was significantly larger than in clinic (6.1 +/- 1.8 mm), P < .0001. This difference is important when arthrometer thresholds are used for decision making. ManMaxdelta increased significantly from -0.7 +/- 2.5 mm immediately after surgery to 2.1 +/- 2.3 mm at 6 months (P < .0001). There was no significant correlation between immediate postoperative and 6-month ManMaxdelta (r = .125).",

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AU - Popejoy, Debra Jean

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AB - Fifty-seven patients without other ligament injury underwent anterior cruciate ligament reconstruction (50 B-L-B, 7 hamstring). KT-1000 assessments were made preoperatively in clinic under anesthesia before and immediately after fixation and at 6-month follow-up. Preoperative manual maximum (ManMax) side-to-side difference (ManMaxdelta) under anesthesia (9.2 +/- 3.5 mm) was significantly larger than in clinic (6.1 +/- 1.8 mm), P < .0001. This difference is important when arthrometer thresholds are used for decision making. ManMaxdelta increased significantly from -0.7 +/- 2.5 mm immediately after surgery to 2.1 +/- 2.3 mm at 6 months (P < .0001). There was no significant correlation between immediate postoperative and 6-month ManMaxdelta (r = .125).

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