The exact number of people who develop Achilles tendon injury is not known, because many people with mild tendonitis or partial tear do not seek medical help. It is believed to be more common in men but with the recent participation of women in athletics, the incidence of Achilles tendon injury is also increasing in this population. Overall, injury to the Achilles tendon is by far most common in the athlete/active individual.
The Achilles tendon can grow weak and thin with age and lack of use. Then it becomes prone to injury or rupture. Achilles tendon rupture is more common in those with preexisting tendinitis of the Achilles tendon. Certain illnesses (such as arthritis and diabetes) and medications (such as corticosteroids and some antibiotics, including quinolones such as levofloxacin [Levaquin] and ciprofloxacin [Cipro]) can also increase the risk of rupture. Rupture most commonly occurs in the middle-aged male athlete (the weekend warrior who is engaging in a pickup game of basketball, for example). Injury often occurs during recreational sports that require bursts of jumping, pivoting, and running. Most often these are tennis, racquetball, basketball, and badminton. The injury can happen in the following situations. You make a forceful push-off with your foot while your knee is straightened by the powerful thigh muscles. One example might be starting a foot race or jumping. You suddenly trip or stumble, and your foot is thrust in front to break a fall, forcefully overstretching the tendon. You fall from a significant height or abruptly step into a hole or off of a curb.
Although it's possible to have no signs or symptoms with an Achilles tendon rupture, most people experience pain, possibly severe, and swelling near your heel. An inability to bend your foot downward or "push off" the injured leg when you walk. An inability to stand up on your toes on the injured leg. A popping or snapping sound when the injury occurs. Seek medical advice immediately if you feel a pop or snap in your heel, especially if you can't walk properly afterward.
In order to diagnose Achilles tendon rupture a doctor or physiotherapist will give a full examination of the area and sometimes an X ray is performed in order to confirm the diagnosis. A doctor may also recommend an MRI or CT scan is used to rule out any further injury or complications.
Non Surgical Treatment
Non-surgical management traditionally was selected for minor ruptures, less active patients, and those with medical conditions that prevent them from undergoing surgery. It traditionally consisted of restriction in a plaster cast for six to eight weeks with the foot pointed downwards (to oppose the ends of the ruptured tendon). But recent studies have produced superior results with much more rapid rehabilitation in fixed or hinged boots.
There are two different types of surgeries; open surgery and percutaneous surgery. During an open surgery an incision is made in the back of the leg and the Achilles tendon is stitched together. In a complete or serious rupture the tendon of plantaris or another vestigial muscle is harvested and wrapped around the Achilles tendon, increasing the strength of the repaired tendon. If the tissue quality is poor, e.g. the injury has been neglected, the surgeon might use a reinforcement mesh (collagen, Artelon or other degradable material). In percutaneous surgery, the surgeon makes several small incisions, rather than one large incision, and sews the tendon back together through the incision(s). Surgery may be delayed for about a week after the rupture to let the swelling go down. For sedentary patients and those who have vasculopathy or risks for poor healing, percutaneous surgical repair may be a better treatment choice than open surgical repair.