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Quadriceps-sparing versus mini-subvastus approach in total knee arthroplasty.
Clin Orthop Relat Res. 2006 Nov; 452:106-11.CO

Abstract

In a prospective randomized double-blind study we compared the postoperative recovery and early results of two groups of 30 patients having total knee arthroplasty with minimally invasive techniques using either a mini-subvastus or a modified "quadriceps-sparing" approach. All knees were implanted with the same posterior-stabilized prosthesis (LPS-Flex, Zimmer, Warsaw, IN) by the same surgeon with the same dedicated set of downsized instruments. Epidural anesthesia with the same postoperative analgesia and rehabilitation protocol was used in all patients. Evaluation was performed preoperatively, postoperatively in the first week, and at 1 and 3 months. In five cases in the "quadriceps- sparing" group, the incision was extended a few cm to facilitate exposure. Tourniquet time, estimated blood loss, and postoperative pain were similar in the two groups. Active straight leg raising was achieved half a day earlier, on average, in the mini-subvastus group (1.9 vs 1.4 days). Average maximum active flexion was similar in the two groups at each interval, and reached 117 degrees and 119 degrees at 3 months for the mini-subvastus and "quadriceps-sparing" group, respectively. We believe there was no difference between the mini-subvastus and "quadriceps-sparing" approach in relation to short term recovery or early results.

Authors+Show Affiliations

First Orthopaedic Clinic, University of Florence, Italy. ortosec@unifi.itNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

16957651

Citation

Aglietti, P, et al. "Quadriceps-sparing Versus Mini-subvastus Approach in Total Knee Arthroplasty." Clinical Orthopaedics and Related Research, vol. 452, 2006, pp. 106-11.
Aglietti P, Baldini A, Sensi L. Quadriceps-sparing versus mini-subvastus approach in total knee arthroplasty. Clin Orthop Relat Res. 2006;452:106-11.
Aglietti, P., Baldini, A., & Sensi, L. (2006). Quadriceps-sparing versus mini-subvastus approach in total knee arthroplasty. Clinical Orthopaedics and Related Research, 452, 106-11.
Aglietti P, Baldini A, Sensi L. Quadriceps-sparing Versus Mini-subvastus Approach in Total Knee Arthroplasty. Clin Orthop Relat Res. 2006;452:106-11. PubMed PMID: 16957651.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Quadriceps-sparing versus mini-subvastus approach in total knee arthroplasty. AU - Aglietti,P, AU - Baldini,A, AU - Sensi,L, PY - 2006/9/8/pubmed PY - 2007/1/11/medline PY - 2006/9/8/entrez SP - 106 EP - 11 JF - Clinical orthopaedics and related research JO - Clin Orthop Relat Res VL - 452 N2 - In a prospective randomized double-blind study we compared the postoperative recovery and early results of two groups of 30 patients having total knee arthroplasty with minimally invasive techniques using either a mini-subvastus or a modified "quadriceps-sparing" approach. All knees were implanted with the same posterior-stabilized prosthesis (LPS-Flex, Zimmer, Warsaw, IN) by the same surgeon with the same dedicated set of downsized instruments. Epidural anesthesia with the same postoperative analgesia and rehabilitation protocol was used in all patients. Evaluation was performed preoperatively, postoperatively in the first week, and at 1 and 3 months. In five cases in the "quadriceps- sparing" group, the incision was extended a few cm to facilitate exposure. Tourniquet time, estimated blood loss, and postoperative pain were similar in the two groups. Active straight leg raising was achieved half a day earlier, on average, in the mini-subvastus group (1.9 vs 1.4 days). Average maximum active flexion was similar in the two groups at each interval, and reached 117 degrees and 119 degrees at 3 months for the mini-subvastus and "quadriceps-sparing" group, respectively. We believe there was no difference between the mini-subvastus and "quadriceps-sparing" approach in relation to short term recovery or early results. SN - 0009-921X UR - https://www.unboundmedicine.com/medline/citation/16957651/Quadriceps_sparing_versus_mini_subvastus_approach_in_total_knee_arthroplasty_ L2 - https://Insights.ovid.com/pubmed?pmid=16957651 DB - PRIME DP - Unbound Medicine ER -