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Complications in medial meniscus suture: a cadaveric study.

Alejandro Espejo-Baena¹, Pau Golano, Stephan Meschian

¹Hospital Clinico Universitario Virgen de la Victoria, Paseo Reding 9 - 1oC, 29016 Malaga, Spain. espejoreina@terra.es

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA

|June 8, 2006

Summary

Inside-out medial meniscus repair can trap nerves and tendons. A small auxiliary incision creates a safety zone, preventing these complications during posterior horn suturing.

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Area of Science:

Orthopedic Surgery
Knee Anatomy

Background:

Medial meniscus tears are common knee injuries.
Inside-out suturing is a technique for meniscus repair.

Purpose of the Study:

To evaluate potential complications of inside-out medial meniscus repair.
To identify risks to surrounding neurovascular structures and tendons.

Main Methods:

Anatomical dissection of six cadaveric knees after inside-out posterior medial meniscus repair.
Assessment of needle path and knot placement for potential structure entrapment.
Evaluation of a modified technique using an auxiliary incision for a "safety zone".

Main Results:

Suturing the posterior horn of the medial meniscus using the inside-out technique frequently entrapped surrounding structures.

Related Experiment Videos

The sartorial tendon was consistently affected.

The saphenous vein and nerve were trapped in four out of six specimens.

Conclusions:

Inside-out posterior medial meniscus repair carries a high risk of neurovascular and tendinous structure entrapment.
Utilizing a small auxiliary incision to access a "safety zone" effectively prevents these complications.
This technique modification enhances the safety of inside-out meniscus repair.