Preparing for Knee Replacement Surgery

Preparing for knee replacement surgery involves medical optimisation, surgical planning, medicine review, home preparation and realistic expectation setting. Good preparation can make the hospital stay smoother and reduce avoidable delays before surgery.

Dr. Mayur Rabhadiya assesses every patient according to symptoms, function, examination, X-rays, deformity, stiffness, medical health and response to non-surgical care. Surgery should be planned when the diagnosis, timing, patient fitness and expected benefit are clear. For the main surgery overview, visit Knee Replacement Surgery in Mumbai.

Confirm the Diagnosis Before Surgery

Knee replacement is usually considered when arthritis-related pain, stiffness, deformity and functional limitation continue despite appropriate non-surgical treatment. The X-ray grade matters, but the final decision should also reflect the patient’s walking ability, sleep, stair use, medicines, quality of life and clinical examination.

Questions to Clarify Before Fixing the Date

Is knee replacement truly necessary now, or can conservative treatment still help?
Is the planned surgery total, partial, robotic-assisted, bilateral or revision knee replacement?
Which knee is being operated upon, what improvement is realistic and what limitations may remain?
What hospital stay, walking-aid use, physiotherapy and home support are expected after surgery?

Choosing Total, Partial or Robotic Knee Replacement

The procedure should be selected according to arthritis pattern, ligament condition, deformity, bone quality, age, activity level, patient expectations and surgical judgement. Partial replacement is not suitable for all knees. Robotic assistance can support planning and execution, but it does not replace patient selection or surgical judgement.

Preoperative Medical Assessment

A preoperative assessment identifies medical issues that may affect anaesthesia, surgery, wound healing, walking and recovery. Age alone does not decide fitness. Diabetes control, heart and lung function, blood pressure, anaemia, kidney function, nutrition, previous clots, sleep apnoea, medicines and overall functional capacity are more important than age by itself.

Common Preoperative Checks

Blood tests, blood group, sugar assessment, kidney function, ECG and relevant imaging.
Physician, cardiology, diabetology or pulmonology review when required by medical history or test results.
Review of allergies, previous anaesthesia experience, previous infections, blood-clot history and current medicines.

Medicine Review Before Knee Replacement

Patients should bring a complete list of regular medicines, occasional medicines, supplements, injections, blood thinners, diabetes medicines, pain medicines, herbal products and allergies. The surgical and anaesthesia teams decide what should be continued, paused or modified around surgery.

Blood Thinners, Diabetes and Blood Pressure Medicines

Patients taking blood thinners, diabetes medicines, insulin, steroids, blood-pressure medicines or heart medicines need individual instructions. These medicines should not be changed based on another patient’s advice because the plan depends on the reason for the medicine, the procedure, anaesthesia, kidney function and overall risk profile.

Optimising Diabetes, Blood Pressure and Anaemia

Uncontrolled diabetes, very high blood pressure, significant anaemia, active chest symptoms, untreated infection or poor nutritional status may increase perioperative risk. Optimisation before elective surgery may reduce avoidable problems and improve the patient’s ability to participate in rehabilitation.

Dental, Skin and Infection Precautions

The team should know about fever, urinary symptoms, chest infection, dental abscess, infected wounds, boils, rashes, fungal infection between toes, recent antibiotics or any new illness. Elective joint replacement is generally planned when active infection concerns have been addressed.

Exercise Before Surgery: Prehabilitation

Appropriate exercise before surgery may help maintain strength, balance and confidence. The goal is not to worsen arthritis pain but to enter surgery with the best possible muscle control and walking ability. Exercises may include thigh-muscle activation, ankle movements, gentle knee movement, supported sit-to-stand, hip strengthening and low-impact activity when tolerated.

Nutrition and Recovery Preparation

Recovery requires healing tissue, building strength and maintaining energy. Adequate protein, hydration, balanced meals, diabetes-appropriate nutrition and correction of deficiencies when identified can support postoperative recovery. Very restrictive dieting immediately before surgery is usually not useful unless medically supervised.

Weight, Smoking and Alcohol

Higher body weight, smoking and excessive alcohol use can affect anaesthesia, wound healing, infection risk, walking confidence and rehabilitation. The preparation phase is an opportunity to discuss risk reduction without delaying necessary surgery indefinitely when pain and disability are severe.

Preparing the Home Before Admission

Clear walking paths, remove loose rugs and cords, improve lighting and keep the bathroom route safe.
Arrange a stable chair with armrests, a suitable bed height, accessible medicines and essential items within reach.
Plan help for food, transport, bathing preparation, stairs, shopping, household work and early follow-up visits.

Preparing for Walking Aids and Physiotherapy

Patients should understand that walking aids are used for safety, not weakness. A walker, crutch or stick may be required depending on balance, strength and procedure type. Physiotherapy after surgery progresses from safe transfers and walking to knee movement, strengthening, stair practice and endurance. Read Physiotherapy After Knee Replacement Surgery.

Documents and Items to Carry

Identification, admission papers, insurance documents, previous medical records, current reports and X-rays.
Medicine list, allergy details, glasses, hearing aids, phone charger, loose clothes and stable footwear.
Previous operative notes or implant details if the patient is undergoing revision or second-opinion planning.

The Day Before Surgery

Follow the hospital’s instructions for reporting time, fasting, approved medicines, antiseptic wash, jewellery, nail products and transport. Report any new illness, wound, rash, fever, cough or urinary symptoms before admission so the team can decide whether a change in plan is needed.

Mental Preparation and Expectations

Patients often feel anxious before surgery. It is useful to understand the likely hospital pathway, expected early pain, swelling, walking-aid use, physiotherapy schedule and home recovery plan. A prepared patient is less likely to panic when normal postoperative discomfort or swelling appears during the first week.

Red-Flag Reasons to Inform the Team Before Admission

New fever, cough, chest symptoms, urinary burning, skin infection, dental infection or open wound.
Recent hospitalisation, antibiotic use, uncontrolled blood sugar or new cardiac symptoms.
New medicine changes, allergy, fall, calf swelling or general health change after the surgical date was fixed.

Frequently Asked Questions About Preparing for Knee Replacement

How early should preparation begin?

Preparation should begin as soon as surgery is being seriously considered, especially if the patient has diabetes, heart disease, blood-pressure issues, anaemia or insurance requirements.

Do all patients need the same tests?

No. Testing depends on age, health, symptoms, procedure type, anaesthesia plan and hospital protocol.

Can surgery be delayed after preparation?

Yes. Temporary medical problems, infection concerns, abnormal test results or unsafe wound risk may require reassessment before elective surgery proceeds.

Does robotic knee replacement need special preparation?

The medical preparation is broadly similar, but additional imaging, planning or hospital-specific steps may be required depending on the robotic platform and surgical plan.

What should I avoid before surgery?

Avoid self-adjusting medicines, ignoring new illness, shaving the operative limb without instructions, applying unprescribed products near the knee and arriving without current reports or medicine information.

About the Author

Dr. Mayur Rabhadiya is an Orthopedic & Joint Replacement Surgeon in Mumbai with clinical focus in knee arthritis assessment, total and partial knee replacement, robotic-assisted knee replacement, bilateral knee replacement, revision knee replacement and surgical second opinions. Written and medically reviewed by Dr. Mayur Rabhadiya. Last medically reviewed: June 2026.

Book a Knee Replacement Preparation Consultation

Consultation may be useful if knee replacement has been advised, robotic surgery has been suggested, medical optimisation is needed, both knees are being considered, or a second opinion is required before surgery. Book an orthopedic consultation with Dr. Mayur Rabhadiya in Ghatkopar, Mumbai. Call or WhatsApp: +91 84249 03913 / +91 96113 30063.

Medical References

American Academy of Orthopaedic Surgeons: Total Knee Replacement
American Society of Anesthesiologists: Preparing for Surgery
NHS: Knee Replacement and Preparing for Surgery

Medical Disclaimer

This information is intended for general patient education and does not replace individual medical, surgical or anaesthetic advice. Preoperative tests, medicine decisions, fasting instructions and discharge planning vary according to health, procedure, anaesthesia plan and hospital protocol. Follow the treating surgeon, anaesthetist and hospital team.

Explore the complete Knee Replacement Guides hub for preparation, surgery, recovery and long-term outcome articles.

Travelling from outside Mumbai? Read the Outstation Patient Guide for Knee Replacement in Mumbai for records, travel, discharge, cost and follow-up planning.