Most hip and knee replacements ‘last longer than thought’

Eight out of 10 knee replacements and six out of 10 hip replacements last as long as 25 years, says a large study from the University of Bristol.

This is much longer than believed, the researchers said, and the findings will help patients and surgeons decide when to carry out surgery.

To date, there has been little data on the success of new hips and knees.

But this Lancet research looked at 25 years’ worth of operations, involving more than 500,000 people.

Hip and knee replacements are two of the most common forms of surgery in the NHS, but doctors often struggle to answer questions from patients on how long the implants will last.

‘May last even longer’

Nearly 200,000 of the operations were performed in 2017 in England and Wales, with most carried out on people between 60 and 80 years old.

Dr Jonathan Evans, orthopaedic registrar, lead study author and research fellow at Bristol Medical School, said: “At best, the NHS has only been able to say how long replacements are designed to last, rather than referring to actual evidence from multiple patients’ experiences of joint replacement surgery.

“Given the improvement in technology and techniques in the last 25 years, we expect that hip or knee replacements put in today may last even longer.”

As the aging population grows, and life expectancy rises, this becomes even more important, Dr Evans added.

By Philippa Roxby | BBC

Image Credit: Getty Images

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About Peter Coffaro 603 Articles
A growth-driven and strategic executive, Peter Coffaro commands more than 20 years of progressive management success within the medical device industry. As a District Sales Manager for Stryker Orthopaedics, Peter was responsible for managing and directing a regional sales force to achieve sales and profit goals within the Rocky Mountain region. Previously, he was the Director of Sales & Marketing for Amp Orthopedics. In this role, Peter was responsible for planning, developing, and leading all sales and marketing initiatives. Peter is a former orthopedic distributor in the Pacific Northwest. He has also worked with DePuy Orthopaedics as well as Zimmer, and held positions in sales, sales training, and sales management. Peter has an extensive background in organizational development, business development, sales management, negotiating and P&L management. Peter holds a B.S. degree in Biology from Northern Illinois University.

1 Comment

  1. How long do they last?

    Hip replacements: 89% lasted 15 years, 70% lasted 20 years, 58% lasted 25 years

    Total knee replacements: 93% lasted 15 years, 90% lasted 20 years, 82% lasted 25 years

    Partial knee replacements: 77% lasted 15 years, 72% lasted 20 years, 70% lasted 25 years

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