Publications by authors named "Bruno Ohashi"
Background: The pivot-shift test has become more consistent and reliable and is a meaningful outcome measurement after anterior cruciate ligament reconstruction (ACLR).
Purpose/hypothesis: The purpose of this investigation was to assess patient-reported outcomes (PROs) and the quantitative pivot shift (QPS) preoperatively, at time zero immediately after anatomic ACLR, and after 24 months as well as the relationship between PROs and the QPS. It was hypothesized that anatomic ACLR would restore rotatory stability measured by the pivot-shift test and that QPS measurements would be positively correlated with PROs.
Background: It is still uncertain how surgical reconstruction of the anterior cruciate ligament (ACL) is able to restore rotatory laxity of the involved joint. The desired amount of restraint applied by the ACL graft, as compared with the healthy knee, has not been fully clarified.
Purpose: To quantify the ability of single-bundle anatomic ACL reconstruction using hamstring tendons in reducing the pivot-shift phenomenon immediately after surgery under anesthesia.
Macroscopic anatomical, histological and magnetic resonance imaging correlation of the lateral capsule of the knee.
Knee Surg Sports Traumatol Arthrosc
September 2016
Article Synopsis
- The study aimed to examine the lateral capsule of the knee using high-quality MRI to see if a distinct lateral capsular ligament could be identified, comparing MRI findings with surgical dissection results.
- Ten fresh-frozen human knee specimens were analyzed both through MRI and dissection, revealing no consistent discrete lateral capsular ligament among the specimens, though some thickening was noted.
- Results showed variations in the morphology of the lateral capsule, indicating that further research is necessary to understand the clinical implications of these anatomical structures.
Unlabelled: The pivot shift test is the only physical examination test capable of predicting knee function and osteoarthritis development after an ACL injury. However, because interpretation and performance of the pivot shift are subjective in nature, the validity of the pivot shift is criticized for not providing objective information for a complete surgical planning for the treatment of rotatory knee laxity. The aim of ACL reconstruction was eliminating the pivot shift sign.
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