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Tendon Rupture Repair: Causes, Surgery and Recovery

Tendon rupture repair is a surgical procedure to restore a completely or partially torn tendon. The goal is to regain full mobility and load-bearing capacity of the affected joint.

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Things worth knowing about "Tendon Rupture Repair"

Tendon rupture repair is a surgical procedure to restore a completely or partially torn tendon. The goal is to regain full mobility and load-bearing capacity of the affected joint.

What Is Tendon Rupture Repair?

Tendon rupture repair is a surgical procedure in which a completely or partially torn tendon is reconstructed. Tendons are strong bands of connective tissue that connect muscles to bones, enabling movement. When a tendon tears, the muscle loses its connection to the bone, resulting in significant loss of function. The repair aims to restore this connection and ensure full load-bearing capacity of the affected area.

Causes of Tendon Rupture

Tendon tears can be caused by a variety of factors:

Acute trauma: Sudden overstretching or direct force, for example during sports or accidents.
Chronic overuse: Repetitive strain over a long period can weaken the tendon structure.
Degenerative changes: With age, tendons lose elasticity and become more susceptible to tearing.
Underlying conditions: Diseases such as diabetes mellitus or rheumatoid arthritis can damage tendon tissue.
Medications: Certain antibiotics (e.g. fluoroquinolones) or corticosteroids can increase the risk of rupture.

Commonly Affected Tendons

In principle, any tendon in the body can rupture. The most frequently affected include:

Achilles tendon: The strongest tendon in the body, connecting the calf muscles to the heel bone.
Rotator cuff: A group of four tendons that stabilize the shoulder joint.
Quadriceps tendon and patellar tendon: Tendons at the knee joint that enable extension of the leg.
Biceps tendon: Connects the biceps muscle to the shoulder or elbow.
Finger flexor tendons: Enable bending of the fingers.

Diagnosis

Diagnosis of a tendon rupture is established through a combination of clinical examination and imaging:

Clinical examination: Palpation of the affected area, functional tests, and range-of-motion assessment.
Ultrasound (sonography): A quick, non-invasive method for visualizing tendon tears.
Magnetic resonance imaging (MRI): Provides detailed images of soft tissue and allows accurate assessment of the extent of the rupture.
X-ray: Used to rule out associated bony injuries.

Treatment: Tendon Rupture Repair

Conservative vs. Surgical Treatment

Not every tendon rupture requires surgery. In the case of partial tears or in specific patient groups, conservative treatment with immobilization, physiotherapy, and anti-inflammatory measures may be sufficient. However, complete ruptures, young and active patients, or functionally important tendons typically require surgical repair.

Surgical Techniques

The choice of surgical technique depends on the affected tendon, the extent of the rupture, and the general condition of the patient:

Primary suture: The torn ends of the tendon are sutured directly together. This is possible when the rupture is recent and the tendon ends can still be brought together adequately.
Tendon reconstruction (tendon graft): In older tears or when the tissue is severely damaged, the tendon is reconstructed using an autologous graft (e.g. from other tendons or the hamstrings) or synthetic material.
Bone anchor technique: Special anchor screws are fixed into the bone to reattach the tendon to its bony insertion point.
Arthroscopic techniques: Minimally invasive procedures in which the repair is performed through small incisions using a camera and specialized instruments. This approach is commonly used, for example, in rotator cuff repair.

Aftercare and Rehabilitation

Postoperative rehabilitation is critical for a successful outcome. It typically includes:

Immobilization of the operated area (e.g. with a cast, splint, or orthosis) for several weeks.
Gradual restoration of load and range of motion under physiotherapy guidance.
Targeted strengthening exercises to rebuild muscle strength.
Full rehabilitation may take several months depending on the tendon and severity of the rupture.

Risks and Complications

As with any surgical procedure, tendon rupture repair carries potential risks:

Wound or tissue infection
Postoperative bleeding or bruising
Scar formation and adhesions
Nerve or vascular injury
Re-rupture of the repaired tendon
Restricted range of motion despite surgery

Prognosis

The prognosis after tendon rupture repair is generally good, particularly when the surgery is performed promptly and correctly and rehabilitation is carried out consistently. Many patients regain their original level of activity and mobility after complete healing. However, in cases of complex ruptures or pre-existing tissue damage, full functional recovery may be limited.

References

Deutsche Gesellschaft fur Orthopädie und Unfallchirurgie (DGOU): Guidelines on Tendon Ruptures - Diagnostics and Treatment (2022).
Sharma P, Maffulli N. Tendon injury and tendinopathy: healing and repair. Journal of Bone and Joint Surgery, 87(1):187-202, 2005.
Brockmeier SF, Rodeo SA. Tendon repair and regeneration. Clinics in Sports Medicine, 29(1):1-17, 2010.

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