Knee replacement surgery replaces damaged areas of the knee joint with artificial components to relieve pain and improve movement. This procedure aims to help individuals move more comfortably and regain the ability to perform daily activities. Depending on the extent of damage, either part or the entire knee joint may be replaced. Recovery involves exercises to strengthen the knee and gradually restore mobility.
Following a structured aftercare plan is necessary to maximise recovery and avoid setbacks. Here are five common mistakes to watch out for. Before diving into these mistakes, it may help to first look at some common myths about knee replacement surgery that can shape unrealistic expectations about recovery.
1. Over-Resting or Avoiding Movement
While rest is necessary after knee replacement surgery, too much rest without movement can slow down recovery. Keeping the knee immobile for extended periods may weaken the surrounding muscles and increase joint stiffness, making it harder to regain full motion. Though some individuals may fear damaging the new joint, gentle movement is usually safe and necessary for healing.
Tip: Stay active in a safe way
Engage in Gentle Movements: Light range-of-motion exercises help keep the knee flexible and reduce stiffness, making future movements easier. Regular movement also supports circulation, which can help reduce swelling.
Build Strength Gradually: Strengthening the knee and surrounding muscles over time helps support the joint, improving stability as recovery progresses. Stronger muscles can make it easier to resume daily activities safely.
Prevent Stiffness: Regular, gentle movement reduces stiffness and promotes blood flow to the area, aiding the healing process. Improved circulation delivers nutrients to the knee, supporting tissue recovery.
2. Resuming High-Impact Activities Too Soon
Some people may be eager to resume their normal routine or engage in high-impact activities such as running, jumping, or lifting heavy objects following knee replacement surgery. Doing too much too soon can put strain on the healing knee joint, increasing the risk of complications like joint loosening or wear. A common question patients ask is how long does a knee replacement last, and protecting the joint early on plays a large part in the answer.
Tip: Take it slow and steady
Start with Low-Impact Activities: Begin with activities like walking or cycling, which promote knee strength and stability without placing excessive load on the joint. Low-impact exercises also support flexibility and improve circulation as recovery begins.
Get Doctor’s Approval: Avoid high-impact exercises until your orthopaedic surgeon confirms it is safe to resume them, as early high-intensity activity may strain the new joint and affect healing.
Protect Your Knee: A gradual approach reduces joint stress, allowing the knee to adjust as strength builds. This steady increase in activity can help prevent the risk of complications.
3. Poor Pain and Swelling Management
Swelling and pain are common after surgery, but they must be managed effectively for optimal recovery. Ignoring pain or failing to control swelling can make rehabilitation more difficult. Some patients may avoid taking prescribed medications in order to develop tolerance, while others may take more than is necessary. Both practices can delay healing or cause additional issues.
Tip: Manage pain and swelling with these strategies
Use Ice Packs and Elevation: Applying ice and elevating the knee helps reduce swelling by limiting fluid build-up around the joint. Regular use of ice and elevation can also ease discomfort and improve mobility.
Follow Medication Instructions: Taking pain medication as directed by your doctor helps manage discomfort, making it easier to participate in rehabilitation activities. Adhere to the prescribed dosage to avoid potential side effects or overuse.
4. Ignoring Warning Signs of Complications
Recognising and addressing warning signs during recovery is necessary to avoid complications. Ignoring symptoms like persistent pain, unusual swelling, redness, warmth around the knee, or increased difficulty moving the joint may lead to further issues if left unaddressed. These signs may indicate complications, such as infection or alignment issues with the joint, requiring immediate medical attention.
If you experience persistent pain, unusual swelling, or difficulty moving your knee after surgery, a knee specialist in Singapore can assess your symptoms and recommend appropriate follow-up care.
Tip: Monitor your knee closely
Be Alert to Red Flags: Be vigilant for signs such as prolonged pain, noticeable swelling, redness, warmth, or any unusual sensations in the knee. These may indicate complications like infection or joint irritation.
Act Quickly: Contact your doctor if you notice persistent or worsening symptoms. Early intervention can adjust your recovery plan to prevent potential setbacks and support healing.
5. Neglecting Proper Wound Care
Proper wound care is required to prevent infection and promote healing. Neglecting wound care or exposing the incision area to contaminated environments raises the risk of infection and may complicate recovery.
Tip: Follow your wound care instructions
Keep the Incision Area Clean: Adhere to your doctor’s instructions on keeping the wound clean and dry to reduce the risk of infection. Avoid applying unapproved creams or lotions, which can interfere with healing.
Avoid Premature Water Exposure: Refrain from submerging your knee in water, such as in baths or pools, until your doctor approves. Premature water exposure introduces bacteria and increases infection risk.
Check for Signs of Infection: Inspect the wound regularly for redness, swelling, unusual drainage, or increased warmth around the area. Early detection of infection symptoms allows for swift medical intervention.
Conclusion
Effective recovery from knee replacement surgery requires a balanced approach that includes appropriate movement, gradual activity increases, pain and swelling management, monitoring for complications, and diligent wound care. By following your surgeon’s advice and staying attentive to your recovery plan, you can support healing and safely return to daily activities.
Dr Kau (许医生) is a Fellowship trained Orthopaedic Surgeon with a subspecialty interest in Hip and Knee surgery and has been in practice for more than 15 years.
He is experienced in trauma and fracture management, sports injuries, and joint replacement surgery.
Fellow of the Royal College of Surgeons Edinburgh, Orthopaedics (FRCS, Edin) 2014
Master of Medicine (Orthopaedics), Singapore (MMed) 2013
Member of the Royal College of Surgeons Ireland (MRCS, Ire) 2009
Bachelor of Medicine and Surgery (MBBS, Singapore) 2004
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