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Pain After Limb Lengthening Surgery

Updated: Aug 14


pain after limb lengthening surgery

Understanding Pain Types After Limb Lengthening Surgery

Limb lengthening surgery offers hope for many individuals seeking to height increase, correct limb discrepancies or achieve functional improvements. However, it’s important to acknowledge that the road to recovery isn’t entirely pain-free. Understanding the different types of pain you might encounter and how to manage them can empower you to navigate this journey with confidence.


Common Limb Lengthening Pain Types:

Acute Pain after Surgical Trauma:

  • During limb lengthening surgery, bones are intentionally fractured or cut (osteotomy) to create a gap that will be gradually lengthened over time. Acute pain also occurs after incisions are made in soft tissues and after the reaming of bone to insert the intramedullary nail. Additionally, some necessary muscle lengthening surgical techniques contribute to this acute pain.This surgical trauma can lead to acute pain immediately following the procedure. It also causes acute pain after incisions for implant placement and some necessary muscle lengthening surgical techniques.


Bone Pain: 

  • This throbbing or aching pain arises from the bone cutting site itself. It’s typically most intense in the first few days after surgery and gradually subsides with proper pain management. The process of gradual bone distraction involves applying tension to the bone segments using an external or internal fixation device. While this tension is necessary for stimulating new bone growth, it can also cause discomfort and soreness in the affected bone. The body’s natural response to tissue injury, including bone trauma, is inflammation. Inflammatory chemicals released by the body can irritate nerves and contribute to bone pain during the healing process.


Neuropathic Pain: 

  • The placement of external or internal fixation devices during limb lengthening surgery can sometimes exert pressure on adjacent nerves, leading to compression and irritation. This pressure can result in sensations of tingling, numbness, or shooting pain along the affected nerve pathways. Swelling and scar tissue formation around the nerve can put pressure on it, causing pain and numbness. Nerve pain is also common during the lengthening period. The nerve tissue, whose tension increases with the start of the extension, can cause symptoms such as numbness, sharp pain, burning, tingling.


Soft Tissue Pain: 

  • During surgery, the surgeon makes minimal incisions in some soft tissue parts. These incisions may cause pain after surgery. During lengthening period, soft tissues such as muscles, tendons, and ligaments are stretched beyond their normal capacity to accommodate the increased length of the limb. This stretching can lead to pain, stiffness, and discomfort.


Joint Pain: 

  • Severe tension in the muscles and tendons increases the load on the joints. As the lengthened limb alters biomechanics, stress can increase on surrounding joints, leading pain and discomfort.


Pin Site Pain: 

  • If an external fixator is used, pain and discomfort in the soft tissue and bone areas at the pin sites where the pins are attached to the extremity is common.


The Three Stages of Limb Lengthening Pain:

Latency Period Pain (1-2 weeks after surgery):

  • This period focuses on healing the bone cut site. The latency period refers to the initial phase following surgery, during which the distraction osteogenesis process begins.

  • Pain Type: Throbbing, aching pain at the incision and osteotomy site is common.

  • Intensity: Usually moderate to severe, requiring strong pain medication like opioids.


Lengthening Period Pain (0-3 months):

  • The gradual distraction of the bone begins, stretching muscles and soft tissues. The lengthening period is characterized by the gradual distraction of bone segments using an external fixator or internal lengthening device.

  • Pain Type: Aching, tightness, soreness and cramping in muscles surrounding the lengthened area.

  • Intensity: Varies depending on individual tolerance and distraction rate. Faster rates can lead to sharper pain. Soft tissue pain may increase, especially as patient start to reach the maximum lengthening limits.


Consolidation Period Pain (3-6 months):

  • The consolidation period marks the phase when the newly formed bone consolidates and strengthens. Bone solidifies, and muscles and tissues adapt to the new length.

  • Pain Type: Gradually decreases in intensity, shifting to occasional aches or stiffness.

  • Intensity: Typically mild to moderate, manageable with NSAIDs or other pain relievers.


Comparing Pain in Internal and External Limb Lengthening Methods

Internal Method with PRECICE: Minimizing Pain from Within

Internal fixation involves the insertion of intramedullary devices, such as telescopic nails or rods, directly into the bone to stabilize and lengthen it. Here’s how internal fixation addresses pain:

  • Reduced Soft Tissue Trauma: Internal fixation minimizes disruption to surrounding soft tissues compared to external    fixators, potentially resulting in less post-operative pain.

  • Internalized Mechanism: The internal placement of fixation devices reduces the risk of pin site infections and discomfort associated with external hardware rubbing against the skin, thus minimizing pain.

  • Limited Hardware-Related Discomfort: With internal fixation, there’s no external fixator protruding from the skin, potentially reducing discomfort associated with external fixators.


External Fixation with LON Method: Managing Pain with External Fixator

External fixation involves the use of an external fixator, a device attached to the outside of the body, to gradually pull apart bone segments and promote lengthening. Here’s how external fixation addresses pain:

  • Pin Site Discomfort: External fixators require pins to be inserted through the skin and into the bone, leading to potential discomfort and irritation at the pin sites.

  • Soft Tissue Irritation: The presence of external hardware can irritate surrounding soft tissues, causing inflammation, swelling, and discomfort during movement.

  • Adjustment-Related Pain: Adjustments to the external fixator may cause temporary discomfort as bone segments are pulled apart, resulting in stretching of surrounding tissues and nerves.


Pain Management After Limb Lengthening Surgery

Pain management after limb lengthening surgery is a crucial aspect of the recovery process, as patients may experience varying degrees of discomfort throughout the different stages of treatment. Limb lengthening surgery, whether performed using internal or external fixation methods, involves significant tissue trauma and manipulation, which can lead to pain and discomfort. However, with appropriate pain management strategies, patients can experience a smoother recovery and better overall outcomes.

Here are some key considerations for pain management after limb lengthening surgery:

  • Experienced surgeon and minimally traumatic surgical technique: Choosing an experienced surgeon with specialized training in limb lengthening procedures is crucial for optimal outcomes and pain management. An experienced surgeon can accurately assess the patient’s condition, plan the surgical approach, and perform the procedure with precision, reducing the risk of complications and post-operative pain. The minimally traumatic surgical technique provides the best recovery with the least pain.

  • Medication: Pain medications are often prescribed to help manage post-operative and lengthening period discomfort.

  • Paracetamol: Paracetamol (also known as acetaminophen) can be a helpful part of patients pain management plan after limb lengthening surgery. It’s generally well-tolerated with fewer side effects compared to other pain medications. While not as strong as opioids, it can manage mild to moderate pain, especially helpful during the later stages of recovery. Paracetamol can be used in conjunction with other pain medications like NSAIDs or nerve pain medications to enhance overall pain relief. It may not be strong enough for managing intense pain, particularly in the initial stages of recovery.

  • Opioids: Opioids can be a potent tool for managing pain after limb lengthening surgery, but it’s crucial to understand their risks and benefits within the context of a comprehensive pain management plan. Opioids offer powerful pain relief, particularly useful for managing moderate to severe pain in the initial stages of recovery. They work quickly and effectively to control intense pain flares. Opioids are highly addictive, and long-term use can lead to dependence and withdrawal symptoms. They should be used judiciously, carefully monitored, and only for a short period under doctor’s supervision.

  • NSAIDs: NSAIDs are commonly used to relieve pain and reduce inflammation, but their use in the post-operative period following limb lengthening surgery must be weighed against potential risks to bone healing and consolidation. NSAIDs have been associated with delayed bone healing and nonunion in some studies. These medications can interfere with the inflammatory response necessary for bone healing by inhibiting prostaglandin synthesis. If NSAIDs are deemed necessary for pain management after limb lengthening surgery, healthcare providers may recommend using them for short-term relief and at the lowest effective dose. Once the bone has consolidated and the risk of delayed healing has decreased, NSAID use may be considered for managing residual pain or inflammation, but this decision should be made in consultation with the surgical team.

  • Nerve pain medications:After limb lengthening surgery, nerve pain can be a common symptom as a result of tissue trauma and manipulation during the procedure. Managing nerve pain effectively is crucial for the patient’s comfort and overall recovery. Gabapentin, pregabalin are the most preferred. These medications  work by stabilizing abnormal electrical activity in the nerves, reducing pain signals and providing relief from nerve pain.

  • Muscle Relaxant: Muscle relaxants may be prescribed to alleviate muscle spasms and tension.These medications work by targeting the central nervous system to reduce muscle activity and promote relaxation.

  • Physical Therapy: Physical therapy plays a vital role in the rehabilitation process after limb lengthening surgery. A skilled physical therapist can design a customized exercise program to improve mobility, strength, and range of motion while minimizing pain. Physical therapy may include gentle stretching exercises, joint mobilization techniques, and strengthening exercises tailored to the patient’s specific needs and abilities. Although there may be a short-term increase in pain after physical therapy sessions, there is a decrease in pain in the long term. Abandonment of physical therapy during the lengthening period causes excessive tension in the soft tissues and chronic pain.

  • Electrotherapy Modalities: Electrotherapy modalities such as Transcutaneous Electrical Nerve Stimulation, Electrical Muscle Stimulation (EMS), Ultrasound Therapy, Pulsed Electromagnetic Field (PEMF) Therapy, Laser Therapy are effective in pain control.

  • Relaxation Techniques: Relaxation techniques such as deep breathing exercises, guided imagery, and progressive muscle relaxation can help alleviate stress and reduce pain perception.

  • Practicing mindfulness meditation and relaxation techniques regularly can promote relaxation and enhance coping mechanisms during the recovery process.

  • Assistive Devices: Assistive devices such as crutches, walkers, or wheelchairs may be necessary during the initial stages of recovery to support mobility and reduce weight-bearing on the affected limb. Using supportive devices can help alleviate pain and prevent further injury while promoting independence and mobility.

  • Heat and Cold Therapy: Heat and cold therapy can be effective for reducing pain and inflammation after limb lengthening surgery. Applying heat packs or warm compresses to the affected area can help relax muscles and improve blood flow, while cold packs can reduce swelling and numb pain.

  • Psychological Support: Coping with the challenges of limb lengthening surgery may require psychological support to address anxiety, depression, or emotional distress.

  • Counseling or therapy sessions with a mental health professional can help patients develop coping strategies and improve their overall well-being during the recovery process.

  • Follow-up Care:Regular follow-up appointments with healthcare providers are essential to monitor the patient’s progress and address any concerns or complications that may arise. Open communication between patients, surgeon and healthcare providers is crucial for optimizing pain management and ensuring a successful recovery.


In conclusion, managing pain effectively is crucial for patients undergoing limb lengthening surgery. Understanding the various types of pain and their stages can help patients navigate the recovery process more confidently. Whether opting for internal or external fixation methods, a holistic approach to pain management, including medication, physical therapy, and psychological support, is essential for a successful recovery. By prioritizing experienced surgeons, minimally traumatic techniques, and interdisciplinary care, patients can optimize their pain relief and overall outcomes, fostering a smoother and more comfortable recovery journey.

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