Your orthopedic team and anesthetist may recommend a number of tests before knee replacement. These tests will help them understand your general health and make sure you are ready for surgery. The exact tests vary with your age, medical history, medicines you take, and your overall health.
Why Do You Need Tests Before Knee Replacement?
Preoperative tests help your doctor evaluate your blood, kidneys, blood sugar, risk of infection, heart health, and other conditions that could affect anesthesia or surgery.
Regular Blood And Urine Tests
Blood tests are often part of the pre-operative assessment. A complete blood count (CBC) tests for red blood cells, white blood cells and platelets. Some other tests may look at kidney function, electrolytes, blood sugar, and blood clotting ability.
A urine test may also be recommended to check for evidence of a urinary problem or infection. Additional testing may be required for other health conditions.
Imaging Tests Prior To Surgery
Your surgeon will usually review knee X-rays to get an idea of the joint and to help with surgical planning. Further imaging depends on your symptoms, previous scans and surgeon assessment.
Heart & Other Health Tests
Before surgery, vital signs including blood pressure, pulse, oxygen level and temperature are checked. Depending on your age, symptoms and heart history, an ECG may be recommended.
Not all patients require a chest X-ray. It may be considered if you have respiratory symptoms, known lung disease, or other clinical indication.
Assessment Of Medical History And Medications
Your doctor will ask about your medical history, allergies, medicines and supplements. Some medicines, such as blood thinners and some diabetes medications, may require special instructions before surgery. Do not stop or change medicines without being told to by your healthcare team.
Do All These Tests Have To Be Done On Every Patient?
No. Testing before surgery is customized. Your orthopedic surgeon and anesthetist will select the tests to be performed according to your age, health conditions, examination and the surgery you are planning. Some patients may require additional specialist assessments.
Bring your medication list and medical reports to your preoperative visit. Knee replacement surgery in indore If you are having the procedure, please complete the assessment within the recommended time frame so your health care team can plan your surgical and anesthesia care.
FAQs
1. What Blood Tests Are Needed Before a Knee Replacement?
Typical tests might include a CBC, blood sugar, kidney tests, electrolytes, and any other tests your health indicates.
2. Do I need an ECG before knee replacement?
Not all people need an ECG. Your doctor may recommend one based on your age, symptoms, heart history and risk assessment.
3. Do I need an X-ray before I have my knee replacement?
Usually your surgeon looks at the X-rays of the knee for diagnosis and surgical planning. Further imaging is only required in certain situations.
4. How many days before the surgery are preoperative tests performed?
Timing depends on hospital, test, patient. Your surgical team will tell you when to do them so the results are available before surgery.
5. Will my current medical conditions affect what tests I should have?
Yes. Medical clearance or additional testing may be required for conditions such as diabetes, kidney, heart or lung disease.