TürkçeLower extremity reconstruction is the reconstruction of severe tissue losses in the area extending from the thigh to the tips of the toes using microsurgery and advanced repair techniques. This procedure aims to preserve the function of the leg and prevent limb loss by covering deep wounds caused by accidents or diseases with healthy tissues. It is not merely a wound closure procedure, but a vital surgical intervention that restores the leg’s weight-bearing capacity and ability to walk. Thanks to this specialized field of plastic surgery, severely damaged tissues are healed with living tissue transferred from other areas of the body, safeguarding the patient’s ability to move independently.
| What Is Lower Extremity Reconstruction? | Lower extremity reconstruction is the general term for reconstructive surgical procedures performed to restore function and appearance after tissue loss in the hip, thigh, knee, leg, ankle, and foot caused by trauma, infection, tumor surgery, or congenital anomalies. |
| In Which Conditions Is It Performed? | It may be performed in the treatment of open fractures, crush injuries, burns, diabetic foot wounds, chronic wounds, tissue loss caused by vascular diseases, defects occurring after tumor removal, infections, congenital deformities, and pressure sores. |
| Purpose of the Surgery | The aims are to cover tissue loss, protect the bones, tendons, vessels, and nerves, reduce the risk of infection, preserve or restore limb function, ensure limb preservation as much as possible, and improve aesthetic appearance. |
| Preoperative Preparation | A detailed physical examination is performed. Blood tests, X-rays, computed tomography (CT), magnetic resonance imaging (MRI), vascular assessments, and other examinations may be planned when necessary. Smoking cessation is recommended, and existing diseases are brought under control as much as possible. |
| How Is the Surgery Performed? | The reconstruction method is determined according to the size and location of the tissue loss. Primary closure, skin grafting, local flaps, regional flaps, or free flap transfer using microsurgery may be performed. When necessary, bone, muscle, fat tissue, fascia, or nerve repairs may be carried out during the same session. |
| Reconstruction Methods Used | Skin grafts, local flaps, muscle flaps, fasciocutaneous flaps, perforator flaps, free tissue transfers, vascular and nerve repairs, and, when necessary, bone grafts or vascularized bone transfers may be used. |
| Type of Anesthesia | General anesthesia is most commonly preferred depending on the extent of the surgery. Regional anesthesia may be used for some limited procedures. |
| Duration of Surgery | Depending on the reconstruction technique to be performed, it may take approximately 1–10 hours or longer. Procedures requiring microsurgery generally take longer. |
| Length of Hospital Stay | Depending on the extent of the surgery, it may vary from several days to 1–2 weeks. In patients who undergo microsurgery, flap circulation is closely monitored. |
| Recovery Process | Wound healing may occur within weeks. Full functional recovery may take months depending on the surgical method performed, the size of the wound, and the need for physical therapy. |
| Points to Consider After Surgery | Wound care should be performed regularly, medications recommended by the doctor should be used, smoking should be avoided, weight-bearing and movement restrictions should be followed, signs of infection should be monitored, and follow-up appointments should not be missed. |
| Physical Therapy and Rehabilitation | A physical therapy and rehabilitation program is applied to a significant number of patients to increase muscle strength, joint range of motion, balance, and walking function. |
| Possible Risks and Complications | Bleeding, infection, hematoma, seroma, wound-healing problems, flap or graft loss, vascular occlusion, nerve damage, chronic pain, edema, joint stiffness, deep vein thrombosis, and the need for additional surgery may develop. |
| Advantages | It may contribute to limb preservation, reduce functional loss, accelerate wound healing, reduce the risk of infection, and improve quality of life. |
| Disadvantages | It may require major surgery, the recovery process may be prolonged, more than one operation may be necessary, and the expected functional outcome may not be fully achieved in some patients. |
| Success Rate | Success varies depending on the cause of tissue loss, circulation status, presence of infection, reconstruction method used, surgical experience, and the patient’s adherence to treatment. Success rates are high with appropriate patient selection and in experienced centers. |
| Return to Daily Life | The time required to return to daily life varies according to the extent of the surgery. Light activities may begin within a few weeks, while full functional recovery and return to work may take months in some patients. |
| When Should a Doctor Be Consulted? | If high fever, increasing pain, excessive swelling, foul-smelling discharge, wound separation, color changes in the flap, signs of impaired circulation, sudden numbness, or loss of movement develops, a healthcare institution should be consulted without delay. |
| Long-Term Outcomes | After successful reconstruction, limb preservation, wound closure, and significant improvement in function are possible. Some patients may require additional corrective surgeries or long-term rehabilitation. |
| Follow-Up Process | Regular surgical follow-ups are used to evaluate wound healing, flap or graft viability, circulation status, functional recovery, and the rehabilitation process. Additional procedures may be planned when necessary. |
What Is Lower Extremity Reconstruction?
Lower extremity reconstruction is the rebuilding of tissue, bone, nerve, and vascular deficiencies occurring in the lower parts of the body for various reasons using healthy tissues taken from other areas of the body. When the anatomy of the leg and foot region is examined, there is a very thin soft tissue covering directly over the bones. Especially around the shinbone and ankle, this covering is so thin that even a minor injury may directly expose the bones and ligaments to the external environment. A bone or vessel exposed to the external environment carries a high risk of rapidly becoming infected and deteriorating. Reconstructive surgery covers these vital structures with new, safe, healthy, and well-vascularized tissue. This procedure is like repairing the collapsed supporting columns of a building and making the building habitable again. It is not merely the closure of a surface defect; it is the restoration of the sense of touch, muscle strength, and walking biomechanics. The ultimate aim is to protect the patient from limb loss, which we call amputation, and restore the freedom to move independently.
In Which Conditions Does the Need for Lower Extremity Reconstruction Arise?
This comprehensive surgery is generally not required after a simple fall or a minor cut. Conditions requiring tissue transplantation are mostly extensive and complex injuries that exceed the body’s own healing capacity. Accidents that suddenly change the patient’s life or chronic diseases that gradually progress and consume tissues constitute the main reasons for this surgery.
The main conditions requiring this surgical intervention are as follows:
- Traffic accidents
- Occupational accidents
- Blast injuries
- Soft tissue sarcomas
- Bone tumors
- Diabetic foot ulcers
- Chronic venous insufficiency wounds
- Persistent bone infections
- Tissue loss occurring after burns
- Wounds that do not heal after radiotherapy
Motorcycle accidents or heavy industrial accidents in particular cause tissues to be crushed and extensive open wounds to develop. In oncological cases, while cancerous tissue is removed from the body, a certain amount of healthy tissue around it must also be removed, leaving behind a large cavity. Filling this cavity is critically important for the leg to maintain its function.
What Kind of Preoperative Evaluation Does Lower Extremity Reconstruction Require?
The foundation of a successful repair is laid long before entering the operating room. Before repairing an injured leg, the most important thing to do is examine the leg’s “plumbing,” in other words, its vascular map. For tissue taken from another part of the body to survive in the injured area, it needs an adequate blood supply. If there is an obstruction or damage in the main vessels supplying the leg, even the most perfectly performed tissue transfer will fail. Therefore, pulses are checked first during the examination stage. When necessary, the inside of the vessels is examined in detail using advanced imaging methods such as ultrasound or angiography.
Timing is also one of the most sensitive parts of the evaluation. The success rate of operations performed within the first few days after accidents is significantly higher. After the first week, the body begins to develop a strong inflammatory response to the wound, and swelling between the tissues reaches its maximum level. Performing surgery during this period, called the “subacute” period, increases the risk of infection and the possibility of losing the transplanted tissue. Therefore, action must be taken at the right time with proper planning.
How Is Lower Extremity Reconstruction Performed?
The surgical process has a highly systematic structure that progresses step by step. The first and perhaps most important step is the wound-cleaning procedure called “debridement.” It is not possible to place new, healthy tissue over contaminated or dead tissue. Soil, glass fragments, bacterial deposits, and crushed dead tissues in the wound bed are completely removed. This process is meticulously continued until a healthy and bleeding tissue margin is obtained. If necessary, this cleaning procedure may be repeated at intervals of several days.
After the wound has been completely cleaned, the tissue transfer stage begins. The surgeon selects an appropriate repair method according to the size and depth of the wound and the nature of the exposed structures. Sometimes, special vacuum devices called Negative Pressure Wound Therapy are used to remove excess fluid from the wound, increase blood supply, and prepare the area for the final surgery. Then, the previously selected healthy tissue segment, called a flap, is carefully elevated, placed over the wound area, and appropriately secured.
Which Tissue Transfer Methods Are Used During Lower Extremity Reconstruction?
Where and how the tissue used for repair will be obtained varies according to the area of the leg that is damaged. In the upper part of the leg and around the knee, muscles located immediately near the region, which we call “local” muscles, are generally used. These muscles are rotated over the wound without severing their vascular connections. However, in areas with very little muscle tissue, such as the ankle and foot, microsurgical methods, meaning “free tissue transfer,” are used.
The areas frequently preferred for free tissue transfer are as follows:
- Back
- Abdomen
- Thigh
- Calf
- Groin
In this procedure, for example, a segment of skin and fatty tissue taken from the back or thigh is completely separated from the body together with the millimeter-sized arteries and veins that supply it. This tissue is then transferred to the wound in the lower part of the leg. Under a microscope, the vessels of the tissue are sutured to the vessels of the leg using threads even thinner than a human hair. In this way, the transplanted tissue joins the blood circulation of the leg and begins to survive.
Why Does Lower Extremity Reconstruction Require a Different Approach in Patients with Diabetes?
Diabetes is an insidious disease that affects all body systems, and foot wounds are among its most devastating consequences. In patients with diabetes, the reconstruction process is much more complex than in trauma patients. The main reason is that high blood sugar damages the inner structure of the vessels over the years, causes calcification, and brings microcirculation almost to a standstill. At the same time, because nerve damage, known as neuropathy, develops, the patient does not feel the wound on the foot, and the wound rapidly enlarges.
The aim of surgical intervention in these patients is to prevent the infection from reaching the bone and threatening the entire leg and to avoid a major amputation. If microsurgery is to be performed, finding a non-calcified vessel end with healthy blood flow requires considerable expertise. Sometimes it becomes necessary to open blocked vessels with vascular surgery methods such as angioplasty or to perform bypass surgery before reconstruction.
Recovery Process After Lower Extremity Reconstruction
The completion of the operation means that only the first half of the process has been completed. The second half begins in the patient’s bed and requires great patience. Especially if tissue transfer has been performed using microsurgery, the first 72 hours are critically important. The tissue is kept under constant observation to prevent clot formation in the newly sutured millimeter-sized vessels or slowing of the blood circulation. To reduce swelling, the leg is rested above heart level on special pillows.
The critical parameters observed are as follows:
- Tissue color
- Tissue temperature
- Capillary refill rate
- Amount of edema
- Pulse
- Pain severity
If a problem is observed in any of these parameters during the hospital stay, an emergency revision operation may be required to resolve the vascular problem. As the body accepts the new tissue and the suture lines heal together, the recovery process accelerates. However, adaptation of the transplanted tissue to the area takes weeks or even months.
When Does Physical Therapy Begin During the Recovery Period After Lower Extremity Reconstruction?
Keeping the leg immobile for a long time after surgery causes muscle wasting and joint stiffness. Therefore, as soon as tissue healing reaches a safe level, a controlled physical therapy program is initiated. Physical therapy generally progresses in three stages. During the first weeks, the aim is only to perform gentle movements in bed and slowly move the leg without bending it.
When the wound sites have completely closed and the tissue has settled into place, weight is gradually placed on the leg, usually at the end of the first month. The first steps taken with the support of crutches or a walker are very valuable for restoring the patient’s self-confidence. From the third month onward, exercises for returning to daily activities such as walking with full weight-bearing, maintaining balance, and climbing up and down stairs become more prominent. These exercises performed under the supervision of a physiotherapist are the fundamental key to regaining function.
Points That Patients Who Have Undergone Lower Extremity Reconstruction Should Consider
The permanence of surgical success is directly related to the care the patient takes in life after leaving the hospital. Newly transplanted tissues are still biomechanically very weak and vulnerable to external trauma. Weight should be placed on the foot only to the extent permitted by the surgeon; excessive strain may cause the wound to reopen. Keeping dressings clean and strictly following hygiene rules in the home environment prevent deep infections.
One of the greatest dangers is smoking. The substances contained in tobacco products cause the newly sutured delicate capillary vessels to constrict and blood flow to be abruptly interrupted. Smoking is the greatest factor causing the repaired tissue to become inadequately nourished and deteriorate.
The following should be strictly avoided:
- Smoking
- Alcohol
- Heavy lifting
- Sudden movements
- Tight clothing
- Standing for prolonged periods
- Using medication without a prescription
It is also very important for patients to listen to their bodies and notice unexpected changes.
Early warning signs requiring urgent medical intervention are as follows:
- Sudden redness
- Localized increase in temperature
- Foul-smelling discharge
- Bluish discoloration of the tissue
- Paleness of the tissue
- Severe throbbing
- Separation of the sutures
If any of these symptoms are noticed, medical support should be sought without delay.
What Are the Nutritional Rules That Affect the Success of Lower Extremity Reconstruction?
After severe surgical trauma, the body turns into a vast construction site. To close the wounds, build new vessels, and integrate the transplanted tissue into the existing system, the body needs much more energy and building materials than usual. A healthy and targeted nutrition program accelerates this construction process at the cellular level.
Protein in particular is the primary fuel for the formation of new cells and collagen synthesis. When sufficient protein is not consumed, wound closure is delayed. Similarly, vitamins and minerals strengthen the immune system and protect the patient against hospital-acquired infections. In cases where bone healing is required, the balance of calcium and vitamin D is of great importance.
The main building blocks that support healing are as follows:
- Protein
- Collagen
- Vitamin C
- Vitamin A
- Vitamin E
- Zinc
- Calcium
- Vitamin D
- Iron
- Omega-3
A proper and balanced diet remarkably increases the body’s ability to repair itself and shortens the recovery period.
Why Is Psychological Support Important After Lower Extremity Reconstruction?
A treatment process that pushes the limits of the body to such an extent is highly exhausting not only physically but also psychologically. Remaining confined to bed for a long time after sudden trauma, the fear of never being able to walk again, and concerns about changes in body integrity may lead to post-traumatic stress disorder or depression in patients.
The mind and body do not function independently of each other. The immune systems of patients experiencing intense anxiety and stress weaken, their pain thresholds decrease, and their adherence to treatment declines. Therefore, receiving professional psychological support during the recovery period is an indispensable element in keeping the patient’s morale high and maintaining motivation for challenging physical therapy sessions. It is clearly observed that the physical recovery processes of patients who psychologically believe in healing also progress much faster and more smoothly.
What Is the Role of Social Support in the Surgical Success of Lower Extremity Reconstruction?
When the patient is discharged and returns home, a large part of the recovery process rests on the shoulders of family members and the close social circle. Prolonged movement restriction causes the patient to become dependent on others even for the most basic needs such as eating, personal care, and using the toilet. During this period, a compassionate and informed social support network directly supports surgical success.
Family members should monitor dressings, maintain the patient’s nutritional routine, and, most importantly, make the patient feel that they are not alone. It should be remembered that lower extremity reconstruction is a long journey in which the possibilities offered by modern medicine are combined with patience. The repair process initiated by the doctor in the operating room is completed at home through the patient’s own determination and the support of loved ones.
Frequently Asked Questions
Lower extremity reconstruction includes surgical procedures performed to repair tissue loss in the leg, knee, foot, and ankle. Trauma, infections, tumors, and chronic wounds are among the most common causes.
Reconstructive surgery may be required in patients who experience significant tissue loss after traffic accidents, crush injuries, diabetic foot wounds, vascular diseases, burns, and tumor surgeries.
The treatment plan is determined according to the wound size and tissue loss. Skin grafts, local flaps, free tissue transfers, and microsurgical techniques may be used to repair missing tissues.
Microsurgery makes it possible to transfer tissue taken from other areas of the body to the damaged area while preserving vascular and nerve connections. This method may provide successful results, especially in extensive and complex tissue losses.
Functional outcomes vary depending on the extent of the injury and the presence of bone and nerve damage. With successful reconstruction and regular rehabilitation, significant improvements in walking capacity may be achieved in many patients.
Physical therapy is an integral part of treatment. Personalized rehabilitation programs may be applied to preserve muscle strength, increase joint range of motion, and improve walking functions.
Complications such as infection, bleeding, wound-healing problems, vascular occlusion, and graft or flap loss may occur. Risks may vary according to the patient’s general health condition and the extent of the surgery.
The recovery period may vary according to the surgical method performed, the size of the wound, and the patient’s health condition. Although initial healing occurs within weeks, full functional recovery may take months.
Wound healing should be monitored more carefully in patients with diabetes. Successful reconstruction outcomes may be achieved with proper blood sugar control and appropriate surgical planning.
Successful reconstruction may help preserve the limb, increase mobility, and facilitate the return to daily activities. This can make a significant contribution to the physical and psychological well-being of patients.
He completed his medical education at Ankara University Faculty of Medicine in 1996 and his specialty training between 1996–2002 at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Between 2002–2009, he worked at Süleyman Demirel University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Since 2009, he has been working at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery. He received the title of Associate Professor in 2011. Dr. Nasır became a Professor in 2019 and continues to work as a faculty member in this position.
Between 2006–2008, he conducted studies on composite tissue transplantation at the Cleveland Clinic in Ohio, USA, together with Dr. Siemionow, who performed the first face transplant in the United States and the second in the world.
In 2012, he successfully performed Turkey’s second face transplant, which was the third among full face transplants in the world and the 22nd overall. Simultaneously with this face transplant, the world’s first quadruple limb transplant was carried out at Hacettepe University by a large team under his leadership.
He won second-place awards in the experimental and clinical specialist competitions at the 31st and 32nd National Plastic, Reconstructive and Aesthetic Surgery Congresses. In 2023, he completed his doctorate in Hand Surgery at Hacettepe University Faculty of Medicine.
He is a member of the American Society of Reconstructive Microsurgery, Plastic Surgery Research Council, Turkish Society of Plastic, Reconstructive and Aesthetic Surgery, Reconstructive Microsurgery Association, and Turkish Society for Surgery of the Hand and Upper Extremity.
