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Revision knee replacement is performed when a previous knee replacement has failed due to implant wear, loosening, infection, or instability, requiring removal of the original implant components and replacement with new prosthetics, often requiring specialized revision implants and bone grafting to address any bone loss that has occurred around the failed implant. This is generally a more complex and technically demanding surgery than a first-time knee replacement, given the presence of scar tissue from the previous surgery and, in some cases, significant bone loss that needs to be carefully addressed to ensure a stable, durable new implant. The procedure is performed under spinal or general anesthesia and typically takes longer than a primary knee replacement, often two to three hours or more depending on the complexity of the revision required. If infection is the cause of the original implant's failure, treatment may need to occur in stages, first removing the infected implant and treating the infection with antibiotics, followed by a second surgery to place the new implant once the infection has cleared. Recovery from revision surgery is generally more prolonged than after primary knee replacement, with structured physical therapy playing a crucial role in optimizing the functional outcome.

Bilateral hip replacement addresses severe arthritis or joint damage affecting both hips, performed either as a single combined procedure replacing both hips during one surgery, or as two separate staged surgeries typically scheduled weeks to months apart, with the approach chosen based on the patient's overall health, surgical risk factors, and surgeon recommendation. Simultaneous surgery offers the convenience of a single hospital stay and combined rehabilitation period but involves a longer initial operation and more demanding early recovery period, requiring careful patient selection to ensure it is a safe approach for the individual. Each hip replacement follows the same established surgical technique as a single hip replacement, performed under spinal or general anesthesia, with combined bilateral surgery typically taking two to four hours total. Physical therapy begins soon after surgery to help patients safely regain mobility, with particular attention to balance and coordinated use of both legs during the initial recovery period following bilateral surgery. Most patients achieve substantial pain relief and significantly improved mobility in both hips, with overall functional benefits generally outweighing the more demanding initial recovery period associated with addressing both hips together or in close succession.

AC joint surgery treats significant separation or chronic instability of the acromioclavicular joint, located at the top of the shoulder where the collarbone meets the shoulder blade, an injury commonly caused by a fall directly onto the shoulder or a significant impact during sports. For more severe separations or cases that fail to improve with conservative treatment, surgery involves reconstructing the torn ligaments that normally stabilize this joint, often using a graft to recreate their function and restore normal joint alignment and stability. The procedure can often be performed using arthroscopic, minimally invasive techniques, or through a small open incision depending on the specific technique used, under regional nerve block or general anesthesia, typically taking one to two hours. Patients wear a sling for a period after surgery to protect the reconstruction, with a structured, gradual physical therapy program beginning a few weeks after surgery to restore shoulder strength and motion. Most patients experience good pain relief and restored shoulder stability, allowing return to normal activities and sports over a period of several months following successful reconstruction and rehabilitation.

ACL reconstruction surgically replaces a torn anterior cruciate ligament, one of the key stabilizing ligaments of the knee often injured during sports involving sudden stops, changes in direction, or jumping, using a graft taken either from the patient's own tissue (such as the hamstring or patellar tendon) or from a donor. Using arthroscopic, minimally invasive technique, the surgeon creates small tunnels in the thigh and shin bones and threads the graft through these tunnels, securing it in a position that recreates the function of the original ACL. The procedure is performed under regional nerve block or general anesthesia and typically takes one to two hours. A structured, progressive physical therapy program is essential following surgery, beginning with restoring knee motion and gradually progressing to strengthening and sport-specific training over several months. Most patients are able to return to full sports participation approximately six to nine months after surgery, with the reconstructed ligament providing good long-term knee stability for the vast majority of patients who complete appropriate rehabilitation.

Acromioclavicular joint repair addresses injury to the ligaments connecting the collarbone to the shoulder blade at the top of the shoulder, typically performed for more significant separations that have not responded to conservative treatment or that involve substantial displacement affecting shoulder function and appearance. Depending on the severity and chronicity of the injury, the surgeon may directly repair the torn ligaments if the injury is recent, or reconstruct them using a tissue graft for more chronic or severe cases, restoring the normal anatomical relationship between the collarbone and shoulder blade. The procedure can be performed using arthroscopic or open surgical techniques under regional nerve block or general anesthesia, typically taking one to two hours. A sling is worn for several weeks after surgery to protect the healing repair, with a gradual, structured physical therapy program beginning a few weeks later to restore shoulder strength and range of motion. Most patients achieve good pain relief and restored shoulder stability, allowing return to normal daily activities and, eventually, sports participation with appropriate rehabilitation.

Above-knee amputation removes the leg above the knee joint, typically performed as a last resort when conditions such as severe peripheral vascular disease, uncontrolled infection, extensive trauma, or certain tumors have caused damage that cannot be adequately treated by other means and threatens the patient's overall health or life. The surgeon carefully shapes the remaining thigh tissue to create a stable, well-padded residual limb suitable for eventual prosthetic fitting, taking great care with wound closure and pain management given the significant nature of this surgery. The procedure is performed under general or spinal anesthesia and typically takes one to two hours. Post-operative care focuses on wound healing, pain management, and early rehabilitation, including exercises to maintain strength and prevent contractures in the residual limb. Comprehensive rehabilitation, including eventual prosthetic fitting and gait training, is a crucial and often lengthy part of recovery, requiring significant patient commitment and support from a multidisciplinary rehabilitation team. With dedicated rehabilitation, many patients achieve good functional mobility using a prosthetic limb.

Below-knee amputation removes the lower leg while carefully preserving the knee joint, typically performed for conditions such as severe peripheral vascular disease, diabetic complications, uncontrolled infection, or significant trauma affecting the lower leg or foot that cannot be adequately treated by other means. Preserving the knee joint offers substantial functional advantages for future prosthetic use compared to above-knee amputation, generally allowing for more natural walking patterns and requiring less energy expenditure during ambulation with a prosthetic limb. The surgeon carefully shapes the remaining lower leg tissue to create a well-padded, stable residual limb, taking care with the surgical technique to optimize the limb for future prosthetic fitting. The procedure is performed under general or spinal anesthesia and typically takes one to two hours. Early rehabilitation, including wound care, pain management, and exercises to maintain knee flexibility and residual limb strength, begins soon after surgery. Comprehensive rehabilitation and prosthetic fitting, guided by a specialized rehabilitation team, generally leads to good functional mobility outcomes given the preserved knee joint.

Ankle arthroscopy allows direct visualization and treatment of conditions within the ankle joint, including cartilage damage, loose bodies, scar tissue causing impingement, or ligament injuries, using a small camera and specialized instruments inserted through a couple of small incisions around the ankle. This minimally invasive approach offers advantages over traditional open ankle surgery, including smaller incisions, less post-operative pain, and generally a faster return to normal activities. The procedure is performed under regional nerve block or general anesthesia and typically takes 30 minutes to an hour depending on the specific condition being treated. Patients often use crutches for a period after surgery to limit weight-bearing while the ankle heals, with a structured physical therapy program beginning once appropriate to restore ankle motion, strength, and stability. Recovery time varies based on the specific procedure performed, ranging from a couple of weeks for simpler diagnostic or debridement procedures to a few months for more involved ligament repair. Most patients experience significant improvement in ankle pain and function following successful arthroscopic treatment.

Arthrolysis surgically releases scar tissue and adhesions that have built up within a joint, causing significant stiffness and restricted range of motion, a condition that can develop after injury, surgery, prolonged immobilization, or certain inflammatory conditions. Using arthroscopic, minimally invasive technique where possible, the surgeon carefully identifies and releases the restrictive scar tissue while preserving the joint's normal structures, aiming to restore as much of the joint's natural range of motion as possible. The procedure is performed under regional nerve block or general anesthesia and typically takes one to two hours depending on the severity of stiffness and the joint involved. Aggressive, early physical therapy is crucial immediately following surgery to maintain the range of motion gained during the procedure, since scar tissue can begin reforming quickly if the joint is not consistently moved during the early healing period. Some patients continue therapy for several months to maximize and maintain their functional improvement. Most patients experience meaningful improvement in joint mobility, particularly when combined with dedicated, consistent post-operative physical therapy.

Arthroscopic meniscectomy treats a torn meniscus, the C-shaped cartilage cushion within the knee that can tear from injury or degeneration, by removing the damaged, torn portion while preserving as much healthy meniscal tissue as possible, using a small camera and specialized instruments inserted through a couple of tiny incisions around the knee. This minimally invasive procedure addresses the mechanical symptoms often caused by a meniscus tear, such as catching, locking, or pain with certain movements, that have not improved with conservative treatment. The procedure is performed under regional nerve block or general anesthesia and typically takes 20 to 40 minutes. Recovery is generally quicker than many other knee procedures, with most patients able to walk with minimal assistance within a day or two and return to normal daily activities within a couple of weeks. A brief course of physical therapy helps restore knee strength and function. Most patients experience significant relief from the pain and mechanical symptoms associated with the torn meniscus following successful surgery.

Arytenoidectomy is performed to widen the airway in patients with bilateral vocal cord paralysis, a condition where both vocal cords become fixed in a position that significantly narrows the airway and causes breathing difficulty, particularly during physical activity. The surgeon removes or repositions the arytenoid cartilage, a small structure that vocal cords attach to, on one side of the voice box, creating more space for airflow while attempting to preserve as much voice function as possible on the treated side. The procedure is typically performed entirely through the mouth using specialized microsurgical instruments or a laser, under general anesthesia, taking about one to two hours. Patients are monitored closely after surgery for breathing improvement and any voice changes, since the procedure inherently involves balancing improved airway space against some expected impact on voice quality. Most patients experience significant improvement in breathing and are able to avoid or discontinue the need for a tracheostomy tube. Voice therapy may be recommended after surgery to help optimize vocal function given the changes made to improve the airway.

Autologous Chondrocyte Implantation is a specialized, two-stage procedure for repairing significant cartilage damage, most commonly in the knee, that begins with an initial arthroscopic surgery to harvest a small sample of healthy cartilage cells from the patient's own joint, which are then sent to a specialized laboratory where they are cultured and expanded over several weeks to produce millions of new cartilage cells. In the second stage, performed once the cultured cells are ready, the surgeon opens the joint to prepare the damaged cartilage area and implants the patient's own expanded cartilage cells into the defect, often held in place with a biological membrane, allowing them to grow and mature into new, durable cartilage tissue over time. The implantation procedure is performed under general or regional anesthesia and typically takes one to two hours. Recovery involves a carefully staged rehabilitation program over many months, with gradually progressive weight-bearing and physical therapy to protect the developing new cartilage while restoring joint function. This technique is particularly valuable for younger, active patients with significant, well-defined cartilage defects, offering the potential for durable, biological repair using the patient's own living tissue rather than an artificial implant.