Repair of the tendon that connects the patella to the tibia.
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Repair of patellar tendon rupture
The patellar tendon can be torn by direct trauma or by overuse. Repair usually involves suturing the tendon or using grafts to restore its continuity.
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Tendons are strong, fibrous cords that connect muscles to bones. A patellar tendon rupture is a tear of the tendon that links the kneecap (patella) to the shin bone (tibia). This tendon works with the quadriceps muscle and quadriceps tendon to allow the knee to straighten. Tears can be partial or complete. Small ruptures can make daily activities difficult, while large ruptures may be disabling and often require surgery.
Causes and Symptoms
Patellar tendon tears are most common in middle-aged people who are active in sports involving jumping and running. They can be caused by a fall, a direct blow to the knee, or landing awkwardly from a jump. Other causes include patellar tendinitis, diseases like rheumatoid arthritis or diabetes, and certain medications like steroids that weaken tendons. Common symptoms include a popping or tearing sensation, pain, swelling, bruising, and the inability to straighten the leg. You may also notice a depression at the bottom of the kneecap.
Diagnosis and Treatment
Diagnosis involves a review of your medical history, a physical examination, and imaging tests such as X-rays or an MRI to confirm the diagnosis and determine the extent of the tear. Treatment can be non-surgical or surgical. Non-surgical treatment for small tears involves using a knee brace or immobilizer, and crutches to avoid putting weight on the knee. Physical therapy may be recommended after the initial pain and swelling decrease.