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Hand surgery is a broad term that incorporates a vast array of different types of surgery on the hand. Plastic surgeons who perform hand surgery attempt to restore not only the function of the hand, but try to maximize the cosmetic appearance of the hand, as well. Surgery on the hand may be done for many reasons, including, but not limited to, the following:
Trauma to the hand
Rheumatic changes to the structures in the hand
Congenital (present at birth) deformities
Many different types of surgeries can be performed on the hand, depending on the underlying cause of the problem. The following is a brief overview of some of the types of surgery that may be performed:
Skin grafts. Skin grafts involve replacing or attaching skin to a part of the hand that has missing skin. The most common type of injury requiring a skin graft is fingertip amputations or injuries. Skin grafts are performed by taking a piece of healthy skin from another area of the body (called the donor site) and attaching it to the needed area.
Skin flaps. A skin flap is similar to a skin graft, in which a part of the skin is taken from another area. However, with a skin flap, the skin that is retrieved has its own blood supply. The section of skin used includes the underlying blood vessels, fat, and muscles. Flaps may be used when an area that is missing the skin does not have a good supply of blood because of the location, damage to the vessels, or extensive damage to the tissue.
Closed reduction and fixation. This technique may be used when there is a fracture in part of the hand, including the fingers. This type of surgery attempts to realign the fractured bone and then immobilize the area during the healing phase. Immobilization can be done with internal fixtures, such as with wires, rods, splints, and casts.
Tendon repair. Tendons are the fibers that attach muscle to bone. Repair of tendons remains a surgical challenge because of the structure of the tendon. Tendon injuries can occur due to infection, trauma, or spontaneous rupture. Repair of a tendon may be classified as primary, delayed primary, or secondary. Primary repair of an acute injury is usually completed within 24 hours of the injury. Delayed primary repair is usually performed a few days after the injury, but while there is still an opening in the skin from the wound. Secondary repairs may occur two to five weeks or longer after the injury. Primary repairs usually involve direct surgical correction of the injury, while secondary repairs may include tendon grafts (inserting tendons from other areas of the body in place of the damaged tendon) or other more complex procedures.
Nerve repairs. There are three main nerves that innervate the hand, including the ulnar nerve, the median nerve, and the radial nerve. Damage to these nerves from injury may result in decreased ability to move the hand and experience feeling. Some nerve injuries may heal on their own, while others require surgery. Overall, about three to six weeks after the injury is the best time for nerve repairs that are associated with other, more complicated, injuries. Surgery to investigate a damaged nerve that is not complicated by other injuries is usually performed early after the trauma, to increase the likelihood of a full recovery. If severed, the nerve may be repaired by reattaching it directly to the other end of the nerve, or by using a nerve graft (inserting nerves from other areas of the body in place of the damaged nerve) to repair the damaged section.
Fasciotomy. This procedure is performed to help treat compartment syndromes. A compartment is a three-dimensional anatomic space in the body that is surrounded by fascia or bone and contains arteries, nerves, and veins. A compartment syndrome is a condition that arises when there is an increase in intracompartmental tissue pressure within a space in the body, usually caused by trauma, which can interfere with the circulation to the body tissues and destroy function. In the hand, a compartment syndrome may lead to severe and increasing pain, muscle weakness, and, eventually, a change in color of the fingers or nailbeds.Fasciotomy is the treatment for the early stage of compartment syndromes. Surgical incisions are placed in the hand or arm to allow a release of the pressures that are increasing inside the body. Any tissue inside the body that is already damaged may be removed at this time. A fasciotomy will help prevent a further decrease in function and damage of the affected extremity.
Surgical drainage and/or debridement. Our hands are constantly at risk for injury and infection. Infections of the hand are a common reason people seek treatment. The treatment for infections to the hand may include rest, use of heat, elevation, antibiotics, and surgery. Surgical drainage may be used if there is an abscess in the hand to help remove the collection of pus. Debridement, or cleansing of a wound to prevent further infection and to help promote healing, may be used if the infection or wound is severe.
Joint replacement. This type of surgery, also called arthroplasty, may be used in people with severe arthritis of the hand. This involves replacing a joint that has been destroyed by the disease process with an artificial joint. This artificial joint may be made out of metal, plastic, silicone rubber, or the patient's own body tissue (such as a tendon).
Replantation. This type of surgery replaces fingers or hands that have inadvertently been amputated, usually by some type of trauma. Replantation uses microsurgery, which is an intricate and precise surgery that is performed under magnification. Some severe injuries may require more than one surgery for optimal recovery.
Most surgery carries the risks of anesthesia and bleeding. Additional risks associated with surgery depend greatly on the type of surgery being performed and may include, but are not limited to, the following:
Loss of feeling or movement of the hand or fingers
Blood clots may form
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