What is Hip Replacement?

What is hip replacement surgery?

Hip replacement surgery is a medical procedure in which a damaged or diseased hip joint is replaced with an artificial joint, known as a prosthesis. This surgery is typically performed to relieve pain and improve function in cases of severe arthritis, hip fractures, or other conditions affecting the hip joint. The prosthetic hip joint is designed to mimic the natural movement of the hip, allowing for improved mobility and reduced discomfort.


Types of hip replacement surgery? 

There are several types of hip replacement surgeries, with the two main categories being total hip replacement (THR) and hip resurfacing. Within total hip replacement, there are variations, including:

Traditional Total Hip Replacement (THR): In this procedure, both the ball and socket of the hip joint are replaced with prosthetic components.

Minimally Invasive Total Hip Replacement: A modified approach is used to minimize the size of the incision, potentially reducing recovery time and scarring.

Anterior Approach Total Hip Replacement: The surgeon accesses the hip joint from the front, between muscles, aiming to minimize muscle damage.

Posterior Approach Total Hip Replacement: The hip joint is accessed from the back, and it's a commonly used approach.

Hip Resurfacing: This involves reshaping the damaged bone rather than removing it entirely, preserving more of the patient's natural bone.


The choice of surgery depends on factors such as the patient's condition, age, and the surgeon's preference and expertise. Each type has its advantages and considerations.


What is the procedure for hip replacement surgery? 

The procedure for hip replacement surgery typically involves the following steps:

Anesthesia: The patient is given either general anesthesia to sleep through the procedure or regional anesthesia to numb the lower part of the body.

Incision: An incision is made over the hip to expose the hip joint.

Removing the damaged bone and cartilage: The surgeon removes the damaged ball (femoral head) and damaged cartilage from the hip socket.

Implant placement: The artificial joint components (prosthesis) are then implanted. In a total hip replacement, these components include a metal stem inserted into the femur, a metal or ceramic ball that replaces the femoral head, and a metal socket with a liner that replaces the damaged hip socket.

Closing the incision: The surgeon closes the incision using stitches or staples.

Recovery and rehabilitation: After surgery, patients typically undergo a period of rehabilitation to regain strength and mobility. Physical therapy is often an essential part of the recovery process.

It's important to note that the specifics of the procedure can vary based on factors such as the surgical approach (anterior, posterior, etc.) and the type of prosthesis used. The surgeon will discuss these details with the patient before the surgery.


What are the risk involved in the hip replacement surgery? 

While hip replacement surgery is generally safe and successful, like any surgical procedure, it carries some risks. Common risks and complications may include:

Infection: There's a risk of infection at the surgical site or in the deeper tissues around the new joint.

Blood clots: Formation of blood clots in the legs or lungs can occur, posing a risk of complications.

Prosthesis-related issues: Components of the artificial joint may wear down or loosen over time, potentially requiring additional surgery.

Dislocation: The new hip joint may dislocate, particularly in the first few months after surgery, if certain precautions are not followed.

Nerve and blood vessel injury: Damage to surrounding nerves or blood vessels during surgery is a rare but serious risk.

Leg length inequality: There is a possibility of a slight difference in leg length after surgery.

Anesthesia risks: Complications related to anesthesia, such as allergic reactions or respiratory issues, can occur.

Fracture: Fractures can occur during surgery or in the healing process, particularly in patients with weakened bones.

It's crucial for patients to discuss these risks with their surgeon before the procedure and follow post-operative care guidelines to minimize potential complications. Individual risks can vary based on factors such as the patient's overall health, age, and the presence of pre-existing medical conditions.


How to prepare for hip replacement surgery? 

Preparing for hip replacement surgery involves several steps to ensure a smooth and successful procedure. Here are some general guidelines:

Medical Evaluation: Complete any pre-operative medical tests or evaluations recommended by your healthcare team. This may include blood tests, imaging, and a general health assessment.

Medication Review: Inform your surgeon about all medications, including prescription and over-the-counter drugs, as some may need to be adjusted or temporarily stopped.

Physical Conditioning: Engage in recommended exercises to strengthen muscles around the hip joint. This can facilitate a faster recovery.

Nutrition: Maintain a balanced diet to support overall health and healing. Adequate nutrition is crucial for recovery.

Weight Management: If overweight, consider working with your healthcare team to achieve a healthy weight. Excess weight can stress the new joint and affect recovery.

Home Preparation: Make necessary modifications at home for ease of movement during recovery. This may include installing handrails, securing loose rugs, and arranging commonly used items at waist level.

Assistive Devices: If advised by your surgeon, obtain any assistive devices such as crutches, walkers, or raised toilet seats.

Dental Checkup: Address any dental issues before surgery, as there is a potential link between oral health and joint infections.

Arrange Support: Plan for assistance at home during the initial recovery period. This may involve family members, friends, or hired help.

Quit Smoking: If you smoke, consider quitting or at least reducing smoking. Smoking can impair the healing process.

Educate Yourself: Attend pre-operative education sessions to understand the procedure, potential risks, and post-operative care.

Follow Pre-operative Instructions: Adhere to any specific pre-operative instructions provided by your surgeon, including fasting before surgery.

Always consult with your healthcare team for personalized advice based on your health status and the specific requirements of your surgery.


What are the components required for hip replacement surgery

Hip replacement surgery involves the placement of artificial components to replace the damaged or diseased parts of the hip joint. The main components used in hip replacement surgery include:

Femoral Component: This component replaces the head and neck of the femur (thigh bone). It typically consists of a metal stem that is inserted into the femur, providing stability and support.

Femoral Head: The femoral head is the ball-shaped top of the femoral component. It can be made of metal or ceramic and articulates with the acetabular component in the hip socket.

Acetabular Component: This component replaces the damaged hip socket. It usually consists of a metal shell with a liner made of plastic, ceramic, or metal. The liner provides a smooth surface for the femoral head to move within the socket.

Acetabular Liner: The liner is placed inside the acetabular component to reduce friction and allow for smooth movement of the hip joint.

Bearing Surface: The combination of materials that make up the femoral head and the acetabular liner is known as the bearing surface. Common combinations include metal-on-plastic, ceramic-on-plastic, or metal-on-metal.

The choice of materials for these components can vary based on factors such as patient age, activity level, and surgeon preference. Modern hip replacement components are designed to be durable, reduce wear and friction, and mimic the natural movement of the hip joint as closely as possible. Surgeons carefully select the components that best suit each patient's individual needs.


When is a hip replacement surgery required? 

Hip replacement surgery is typically considered when other treatments for hip pain and dysfunction have been ineffective. Some common reasons that may necessitate hip replacement surgery include:

Osteoarthritis: The most common reason for hip replacement, osteoarthritis is a degenerative joint disease that causes the breakdown of cartilage in the hip joint, leading to pain and stiffness.

Rheumatoid Arthritis: An inflammatory joint disease that can affect the hip joint, causing pain and joint damage.

Hip Fractures: Severe fractures of the hip joint, often resulting from accidents or falls, may require hip replacement, especially in older adults.

Avascular Necrosis: This condition occurs when there is a loss of blood supply to the hip joint, leading to the death of bone tissue.

Hip Dysplasia: Abnormal development of the hip joint can result in misalignment and wear on the joint surfaces, leading to pain and limited mobility.

Other Forms of Arthritis: Conditions such as ankylosing spondylitis and psoriatic arthritis can also affect the hip joint and may require replacement.

Tumors: Benign or malignant tumors in the hip joint may necessitate hip replacement surgery.

Failed Previous Hip Surgeries: In some cases, if previous hip surgeries or treatments have not provided adequate relief, hip replacement may be considered.

The decision for hip replacement is made after a thorough evaluation by a healthcare professional, considering factors such as the severity of symptoms, impact on daily activities, and the overall health of the patient. It is important for individuals experiencing hip pain to consult with a healthcare provider to determine the most appropriate course of treatment for their specific condition.


Advantages and disadvantage of hip replacement surgery? 

Advantages of Hip Replacement Surgery:

Pain Relief: One of the primary benefits is significant relief from chronic hip pain, improving the patient's quality of life.

Improved Mobility: Hip replacement surgery can enhance joint function and mobility, allowing patients to engage in activities they may have avoided due to pain.

Enhanced Quality of Life: Patients often experience an improved overall quality of life, as they can perform daily tasks with greater ease and reduced discomfort.

Long-term Solution: When successful, hip replacement is a long-lasting solution that can provide relief for many years.

Correction of Deformities: The surgery can correct deformities caused by conditions like osteoarthritis, improving the alignment of the hip joint.

Increased Independence: Patients may regain independence in daily activities, such as walking and climbing stairs, that were previously challenging.

Disadvantages and Risks of Hip Replacement Surgery:

Surgical Risks: As with any surgery, there are inherent risks, including infection, blood clots, and adverse reactions to anesthesia.

Rehabilitation: Recovery requires a period of rehabilitation, and patients may need to adhere to precautions to avoid complications, such as dislocation.

Limited Lifespan of Prosthesis: While modern prostheses are durable, they may eventually wear down or loosen, requiring revision surgery.

Postoperative Pain: Some patients experience postoperative pain, swelling, and discomfort during the initial stages of recovery.

Blood Vessel or Nerve Damage: There is a small risk of damage to blood vessels or nerves around the hip joint during surgery.

Cost: The cost of hip replacement surgery, including hospital stays, rehabilitation, and follow-up care, can be substantial.

Activity Restrictions: Certain activities may need to be limited or avoided to prevent wear and tear on the artificial joint.

It's important for individuals considering hip replacement surgery to discuss potential risks and benefits with their healthcare provider and thoroughly weigh the decision based on their specific health condition and lifestyle.


What are the postoperative care to be taken care of after a hip replacement surgery? 

Postoperative care after hip replacement surgery is crucial for a successful recovery. Here are some general guidelines:

Physical Therapy: Engage in a structured physical therapy program to regain strength, flexibility, and mobility. Follow the exercises recommended by your physical therapist.

Follow Precautions: Adhere to any specific precautions provided by your surgeon, especially during the initial weeks to avoid movements that could lead to dislocation.

Medication Management: Take prescribed medications, including pain relievers and blood thinners, as directed by your healthcare team.

Wound Care: Keep the surgical incision clean and dry. Follow any specific instructions provided for wound care.

Ambulation and Mobility: Gradually increase weight-bearing on the operated leg as advised by your healthcare provider. Use assistive devices like crutches or a walker as recommended.

Joint Protection: Be mindful of your hip joint during daily activities. Avoid excessive bending, twisting, or crossing your legs. Use adaptive equipment as needed.

Prevent Blood Clots: Follow measures to prevent blood clots, such as prescribed medications, ankle pumps, and regular changes in body position.

Hygiene: Maintain good hygiene to prevent infection. Ensure cleanliness around the incision site.

Nutrition and Hydration: Consume a balanced diet rich in nutrients to support healing. Stay hydrated to aid recovery.

Follow-up Appointments: Attend all scheduled follow-up appointments with your surgeon to monitor your progress and address any concerns.

Activity Gradation: Gradually resume normal daily activities as guided by your healthcare team. Avoid high-impact activities and follow recommendations for driving and returning to work.

Monitor for Signs of Complications: Be vigilant for signs of infection, such as increased redness, swelling, or drainage around the incision. Report any unusual symptoms or concerns to your healthcare provider promptly.

Always follow the personalized instructions provided by your surgeon and healthcare team. Individual recovery experiences may vary, and it's essential to communicate openly with your healthcare provider throughout the recovery process.


Question to ask your doctor before hip replacement surgery? 

Before undergoing hip replacement surgery, it's important to have a thorough discussion with your doctor to ensure you are well-informed about the procedure and what to expect. Here are some questions you may consider asking your doctor:

Why is hip replacement recommended for me?

What are the potential benefits of the surgery for my specific condition?

What are the risks and potential complications associated with hip replacement surgery?

What is your experience and success rate with this type of surgery?

Are there alternative treatments or less invasive procedures that I could consider?

What type of hip replacement procedure do you recommend for me, and why?

What type of anesthesia will be used, and what are the associated risks?

How long will the recovery process take, and what can I expect during the rehabilitation period?

What restrictions or precautions should I follow after the surgery to ensure a successful recovery?

How long can I expect the hip replacement to last, and are there factors that could impact its longevity?

Will I need any assistive devices, such as crutches or a walker, during my recovery?

What medications will be prescribed, and how should I manage pain after the surgery?

What is the anticipated timeline for returning to normal activities, including work and exercise?

Are there any specific signs or symptoms that I should watch for and report immediately after the surgery?

What are the potential long-term effects or complications associated with hip replacement surgery?

How will the surgery affect my lifestyle, and are there any activities I should avoid in the long term?

Will there be any modifications needed at home to facilitate a smooth recovery?

What is the plan for follow-up appointments and monitoring my progress after the surgery?

Remember, these questions are a starting point, and you should feel comfortable asking any additional questions that are specific to your concerns or situation. Open communication with your healthcare team is essential for a successful outcome.

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