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Rotatory stability of the knee after arthroscopic meniscus suture repair : a 5-to-17-year follow-up study of isolated medial and lateral meniscus tears

Majewski, Martin and Stoll, Reinhard and Müller, Werner and Friederich, Niklaus E.. (2009) Rotatory stability of the knee after arthroscopic meniscus suture repair : a 5-to-17-year follow-up study of isolated medial and lateral meniscus tears. Acta orthopaedica Belgica : organe officiel de la Société Belge d'Orthopédie, de Traumatologie et de Chirurgie de l'Appareil Moteur, Vol. 75. pp. 354-359.

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Official URL: http://edoc.unibas.ch/dok/A6006405

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Abstract

The long-term rotatory stability of meniscus suture repair has not been firmly established clinically. Up to now there are only experimental studies done. This retrospective study aimed to compare the long-term rotatory stability of a knee with a meniscus suture repair with the stability of the uninjured knee in each of a cohort of patients. We evaluated both knees of 64 patients at an average follow-up of 11 years (range : 5 to 17) after successful arthroscopic meniscus suture repair. Each patient's injury was an isolated longitudinal-vertical meniscus tear and each patient's opposite knee was uninjured. All repairs were performed with the same outside in meniscus suture repair technique. Evaluation included standardised clinical examination, anterior stability testing with a ligament testing device, and rotational testing with a rotational laxiometer. In the stability assessments, the mean anteroposterior translation was the same for repaired and uninjured knees: 3 mm at 67 N and 5 mm at 89 N. The mean external rotation was the same in repaired knees and uninjured knees at 20 degrees of flexion (22 degrees) and similar in repaired knees (22 degrees) and uninjured knees (23 degrees) at 90 degrees flexion. The mean internal rotation was similar in repaired knees (12 degrees) and uninjured knees (13 degrees) at 20 degrees and 90 degrees of flexion. Our findings indicate that a knee with arthroscopic meniscus suture repair displays a rotational stability that is equal to or nearly equal to the stability of an uninjured knee. However, whether rotational stability will only be preserved due to meniscus repair and how much of the meniscus needs to be preserved in order to maintain the biomechanical stability of the knee remains unclear.
Faculties and Departments:03 Faculty of Medicine > Bereich Operative Fächer (Klinik) > Bewegungsapparat und Integument
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Operative Fächer (Klinik) > Bewegungsapparat und Integument
UniBasel Contributors:Friederich, Niklaus F.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Acta Medica Belgica
ISSN:0001-6462
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:07 Jun 2018 14:07
Deposited On:01 Feb 2013 08:45

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