Q. What are the different types of knee implants available?
Doctor Answer is medically reviewed by SecondMedic medical review team.
There are various types of knee implants, and the choice of implant depends on factors such as the patient's anatomy, the surgeon's preference, and the specific needs of the individual undergoing knee replacement surgery. The main types of knee implants include:
1. Fixed-Bearing Implants:
- Cruciate-Retaining (CR): These implants retain the patient's anterior cruciate ligament (ACL), which helps stabilize the knee joint.
- Cruciate-Sacrificing (CS): In this type, the surgeon removes the ACL during the procedure.
2. Mobile-Bearing Implants:
- These implants have a moving plastic insert between the metal components, allowing for some degree of rotation. They are designed to mimic the natural movement of the knee more closely.
3. Unicompartmental (Partial) Knee Implants:
- Used when only one part of the knee joint is affected by arthritis. This implant replaces either the medial (inner) or lateral (outer) compartment of the knee.
4. Bicompartmental Knee Implants:
- These implants replace two of the three knee compartments, typically the medial and patellofemoral compartments.
5. Gender-Specific Implants:
- Some manufacturers offer implants designed with gender-specific considerations, accounting for anatomical differences between male and female knees.
6. Cemented and Uncemented Implants:
- Cemented: The components are secured to the bone with bone cement.
- Uncemented: The components rely on the bone to grow into the implant for stability.
7. Posterior-Stabilized (PS) Implants:
- These implants replace the posterior cruciate ligament (PCL) and are designed to provide stability during knee movement.
8. High-Flexion Implants:
- Designed to allow for increased flexion (bending) of the knee, which may be beneficial for individuals who need to squat or kneel frequently.
9. Custom or Patient-Specific Implants:
- Some companies offer customized implants based on the patient's unique anatomy, using advanced imaging technology to create a personalized fit.
10. Metal-On-Metal (MoM) Implants:
- These implants have both the femoral and tibial components made of metal. However, the use of MoM implants has declined due to concerns about metal ion release and associated complications.
The choice of a specific knee implant is made by the orthopedic surgeon based on the patient's individual needs and the surgeon's expertise. Patients should discuss the options with their surgeon to understand the rationale behind the chosen implant and any potential benefits or risks associated with it.
Q. Hello Doctor, from past 3 weeks I have too much dandruff problem and it cause hair loss will you suggest any best solution for this?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Answered by Secondmedic ExpertDealing with excessive dandruff leading to hair loss can be frustrating, but there are effective ways to address this issue. Here's what you can do:
1. Switch to a Gentle Shampoo: Opt for shampoos specifically designed for dandruff, containing ingredients like ketoconazole, zinc pyrithione, coal tar, or selenium sulfide. Use these shampoos regularly to reduce dandruff buildup.
2. Scalp Massage: Gently massage your scalp while shampooing to help remove flakes and improve blood circulation, which can promote healthier hair growth.
3. Avoid Hot Water: Wash your hair with lukewarm water instead of hot water, as hot water can dry out your scalp and worsen dandruff.
4. Balanced Diet: Ensure you're eating a balanced diet rich in vitamins and minerals essential for healthy hair and scalp, such as omega-3 fatty acids, zinc, and B vitamins.
5. Manage Stress: Stress can exacerbate dandruff problems. Practice stress-relief techniques like meditation, yoga, or regular exercise to help manage stress levels.
6. Apple Cider Vinegar Rinse: Consider using diluted apple cider vinegar as a rinse after shampooing. It can help restore the scalp's pH balance and reduce dandruff.
7. Consult a Dermatologist: If the issue persists despite trying home remedies or over-the-counter solutions, seek advice from a dermatologist. They can provide a personalized treatment plan tailored to your specific scalp condition.
Remember, consistency is key when dealing with dandruff. Give these remedies some time to work, as immediate results might not always occur. It's essential to find what works best for your scalp, so don't get discouraged if you don't see immediate improvements.
Taking care of your scalp health not only addresses dandruff but also aids in reducing hair loss associated with this issue. Feel free to incorporate these tips into your routine and observe how your scalp responds. If the problem persists or worsens, seeking professional guidance is always recommended.
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