Ulnar collateral ligament reconstruction | |
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Other names | UCL reconstruction, Tommy John surgery |
ICD-9-CM | 81.85 |
Ulnar collateral ligament reconstruction, colloquially known as Tommy John surgery, is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from elsewhere in the patient's body, or with one from a deceased donor. The procedure is common among collegiate and professional athletes in several sports, particularly in baseball. The surgery is performed to restore optimal function for repetitive elbow movements or specifically throwing ability, often extending the careers of professional athletes. In many athletes, the surgery is done more than once during their careers.
The procedure was devised in 1974 by orthopedic surgeon Frank Jobe, a Los Angeles Dodgers team physician who served as a special advisor to the team until his death in 2014. It is named after the first baseball player to undergo the surgery, major league pitcher Tommy John, whose record of 288 career victories ranks seventh among left-handed pitchers. The initial operation, John's successful post-surgery career, and the relationship between the two men was the subject of a 2013 ESPN 30 for 30 documentary. [1]
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The ulnar collateral ligament (UCL) can become stretched, frayed, or torn through the repetitive stress of the throwing motion. The risk of injury to the UCL is believed to be extremely high, as the amount of stress through the structure approaches its ultimate tensile strength during a hard throw. [2]
This injury is associated with baseball, although it sometimes appears in other sports. Compared to athletes who play other sports, baseball players are at elevated risk of overuse injuries and injuries caused by early sports specialization among children and teenagers. [3]
The results of a 2002 study suggest that the total number of pitches thrown is the greatest determinant. [4] The study examined the throwing volume, pitch type and throwing mechanics of 426 pitchers aged nine to fourteen for one year. Compared to pitchers who threw 200 or fewer pitches in a season, those who threw 201–400, 401–600, 601–800, and 800+ pitches faced an increased risk of 63%, 181%, 234%, and 161% respectively. The types of pitches thrown showed a smaller effect; throwing a slider was associated with an 86% increased chance of elbow injury while throwing a curveball was associated with an increase in pain. There was only a weak correlation between throwing mechanics perceived as bad and injury-prone. [4]
Research into throwing injuries in young athletes has led to age-based recommendations for pitch limits. [5]
Increasingly often, pitchers require a second procedure after returning to pitching. During the periods from 2001 to 2012 and 2013 to 2015, 18 major-league pitchers underwent the procedure for a second time. As of April 2015, the average amount of time between procedures is 4.97 years. [6]
There is a risk of damage to the ulnar nerve. [7]
Some baseball pitchers believe that they can throw harder after ulnar collateral ligament reconstruction than they could beforehand. As a result, orthopedic surgeons have reported that parents of young pitchers have asked them to perform the procedure on their uninjured sons in the hope that it will increase performance. [8] However, many people, including Frank Jobe, believe that any post-surgical increases in performance are most likely the result of the increased stability of the elbow joint and pitchers' increased attention to their fitness and conditioning. [9] Jobe believed that rather than allowing pitchers to gain speed, the surgery and rehab protocols merely allow pitchers to return to their pre-injury levels of performance.[ citation needed ]
A surgical incision of 3–4 inches (7.6–10.2 centimetres) is made near the elbow. [10] Holes to accommodate a replacement graft tendon are drilled in the ulna and humerus bones of the elbow. [10] A harvested tendon, such as the palmaris tendon [11] from the forearm of the same or opposite elbow, the patellar tendon, hamstring, toe extensor or a donor's tendon (allograft), is then woven in a figure-eight pattern through the holes and anchored. [10] The ulnar nerve is usually moved to prevent pain, as scar tissue can apply pressure to the nerve. [11] The procedure is performed on an outpatient basis allowing discharge the same day, with the arm in a splint to protect the repair for the first week. [10] After one week, a brace is employed to protect the reconstruction for about six weeks following surgery. [10]
Repair is largely viable in cases of acute UCL avulsion type-injury at the proximal or distal end, with the main benefit of the procedure is reduced rehabilitation time compared to that of UCL reconstruction. [12] Early attempts at UCL repair yielded poor results and were largely abandoned until anchor fixation was improved in 2008. [12]
The rehabilitation process following surgery is typically divided into four separate phases.
Full competition throwing is usually permitted at seven to nine months, and pitchers are ready to return to the game at approximately 10 to 18 months. [13]
Over two decades preceding 2016, the number of UCLR surgeries increased threefold, a rate that was expected to continue to rise. [14] A 2015 study showed that the rate of UCLR surgery for those aged 15 to 19 was the highest among all age ranges and was increasing by 9% each year. [15]
USA Baseball, Major League Baseball, and Little League Baseball initiated the Pitch Smart program designed to lower the risk of elbow injuries in adolescent pitchers. [16] The main risk factors for elbow injury from overhand throwing are the number of pitches per game, innings pitched per season, months pitched per year and poor pitching biomechanics that may increase torque and force on the elbow. [17]
At the time of John's operation, Jobe estimated the chance for success of the operation at one in 100. [18] By 2009, the odds of complete recovery had risen to 85–92%. [19]
Following his 1974 surgery, John missed the entire 1975 season rehabilitating his arm before returning for the 1976 season. Before his surgery, John had won 124 games. He won 164 games after surgery, retiring in 1989 at age 46.
For baseball players, full rehabilitation takes about 12–15 months for pitchers and about six months for position players. Players typically begin throwing about 16 weeks after surgery. [20] While 80% of players return to pitching at the same level as before the surgery, for those Major League Baseball pitchers who receive the surgery twice, 35% never pitch again in the major leagues. [6]
Jobe has stated that if he had invented the technique ten years earlier, it might have been nicknamed Sandy Koufax surgery, after Dodgers hall of famer Sandy Koufax, who retired with "essentially the same thing as Tommy John." [21]
The rotator cuff is a group of muscles and their tendons that act to stabilize the human shoulder and allow for its extensive range of motion. Of the seven scapulohumeral muscles, four make up the rotator cuff. The four muscles are:
In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the pitcher is assigned the number 1. The pitcher is often considered the most important player on the defensive side of the game, and as such is situated at the right end of the defensive spectrum. There are many different types of pitchers, such as the starting pitcher, relief pitcher, middle reliever, lefty specialist, setup man, and the closer.
The ulnar collateral ligament (UCL) or internal lateral ligament is a thick triangular ligament at the medial aspect of the elbow uniting the distal aspect of the humerus to the proximal aspect of the ulna.
Anterior cruciate ligament reconstruction is a surgical tissue graft replacement of the anterior cruciate ligament, located in the knee, to restore its function after an injury. The torn ligament can either be removed from the knee, or preserved before reconstruction through an arthroscopic procedure. ACL repair is also a surgical option. This involves repairing the ACL by re-attaching it, instead of performing a reconstruction. Theoretical advantages of repair include faster recovery and a lack of donor site morbidity, but randomised controlled trials and long-term data regarding re-rupture rates using contemporary surgical techniques are lacking.
Frank Wilson Jobe was an American orthopedic surgeon and co-founder of the Kerlan-Jobe Orthopaedic Clinic. Jobe pioneered both elbow ligament replacement and major reconstructive shoulder surgery for baseball players.
An anterior cruciate ligament injury occurs when the anterior cruciate ligament (ACL) is either stretched, partially torn, or completely torn. The most common injury is a complete tear. Symptoms include pain, an audible cracking sound during injury, instability of the knee, and joint swelling. Swelling generally appears within a couple of hours. In approximately 50% of cases, other structures of the knee such as surrounding ligaments, cartilage, or meniscus are damaged.
Golfer's elbow, or medial epicondylitis, is tendinosis of the medial common flexor tendon on the inside of the elbow. It is similar to tennis elbow, which affects the outside of the elbow at the lateral epicondyle. The tendinopathy results from overload or repetitive use of the arm, causing an injury similar to ulnar collateral ligament injury of the elbow in "pitcher's elbow".
The unhappy triad, also known as a blown knee among other names, is an injury to the anterior cruciate ligament, medial collateral ligament, and meniscus. Analysis during the 1990s indicated that this 'classic' O'Donoghue triad is actually an unusual clinical entity among athletes with knee injuries. Some authors mistakenly believe that in this type of injury, "combined anterior cruciate and medial collateral ligament disruptions that were incurred during athletic endeavors" always present with concomitant medial meniscus injury. However, the 1990 analysis showed that lateral meniscus tears are more common than medial meniscus tears in conjunction with sprains of the ACL.
Little League elbow, technically termed medial epicondyle apophysitis, is a condition that is caused by repetitive overhand throwing motions in children. "Little Leaguer's elbow" was coined by Brogdon and Crow in an eponymous 1960 article in the American Journal of Radiology.
The medial patellofemoral ligament (MPFL) is one of several ligaments on the medial aspect of the knee. It originates in the superomedial aspect of the patella and inserts in the space between the adductor tubercle and the medial femoral epicondyle. The ligament itself extends from the femur to the superomedial patella, and its shape is similar to a trapezoid. It keeps the patella in place, but its main function is to prevent lateral displacement of the patella.
The overhandthrow is a single-handed throw of a projectile where the object is thrown above the shoulder.
Ulnar collateral ligament injuries can occur during certain activities such as overhead baseball pitching. Acute or chronic disruption of the ulnar collateral ligament result in medial elbow pain, valgus instability, and impaired throwing performance. There are both non-surgical and surgical treatment options.
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