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Complications in hip and knee arthroplasty: how common they are and how they are prevented
Hip Arthroplasty

Complications in hip and knee arthroplasty: how common they are and how they are prevented

Dr Alexandros P. Tzaveas

Dr Alexandros P. Tzaveas

Orthopaedic Surgeon

26 Μαΐου 2026 2 λεπτά

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Complications after hip or knee arthroplasty are one of the most common concerns patients have before surgery. In Thessaloniki, where modern surgical techniques and strict safety protocols are applied, complication rates are now low. Being properly informed, however, helps the patient to know what to expect and to play an active part in prevention.

What is regarded as a complication after joint replacement

A complication is any unwanted event that may affect recovery or the final result of the operation.

The most common complications include:

  • Infection in the region of the joint

  • Thrombosis (a clot in the leg)

  • Dislocation of the implant (chiefly in the hip)

  • Loosening or wear of the implant over time

  • Stiffness or restricted mobility

How common are complications today

With modern orthopaedic surgery, complications have been reduced considerably.

In most cases:

  • Serious complications occur in a very small proportion of patients

  • Infections are rare where sterilisation is carried out properly

  • Thrombosis is prevented effectively

  • Dislocations are fewer thanks to newer techniques

Which factors increase the risk

Certain factors may increase the likelihood of complications:

  • Obesity

  • Diabetes mellitus

  • Smoking

  • Advanced age

  • Cardiac or vascular problems

Proper preoperative preparation reduces these risks considerably.

Which symptoms need immediate assessment

After joint replacement there are symptoms that must not be ignored:

  • A sudden worsening of pain

  • Marked swelling or redness

  • A high temperature

  • Discharge of fluid from the wound

  • Pain or heaviness in the calf

  • Difficulty in moving that comes on suddenly

These may indicate a complication and require immediate contact with the doctor.

How complications are prevented

Prevention is the most important part of a successful outcome.

The key measures are:

  • Proper preoperative assessment

  • Strict observance of sterilisation in theatre

  • Antibiotic and antithrombotic treatment

  • Early mobilisation after the operation

  • Daily physiotherapy

  • Careful observance of the doctor's instructions

The role of modern technology

New techniques have significantly changed the safety of joint replacement.

They offer:

  • Greater accuracy in the positioning of implants

  • Less strain on the tissues

  • Faster recovery

  • A reduced risk of complications

  • Better long-term function

Conclusion

Complications in hip arthroplasty and knee arthroplasty are rare today and are largely preventable. With proper preparation, modern techniques and close co-operation with the doctor, recovery is safe and the result is highly satisfactory.

Specialist orthopaedic care in Thessaloniki - Dr Alexandros Tzaveas

The practice of Dr Alexandros Tzaveas in Thessaloniki provides comprehensive care for patients undergoing hip arthroplasty and knee arthroplasty, with an emphasis on the prevention of complications, sound guidance and individualised rehabilitation. Continuous follow-up and immediate access to the doctor ensure safety and an excellent final result.

arthroplastykneehip
Dr Alexandros P. Tzaveas

ΣΥΝΤΑΚΤΗΣ

Dr Alexandros P. Tzaveas

Orthopaedic Surgeon

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