Active Baby Boomers Fuel Demand for Long Lasting Joint Replacements

New York—May 27, 2011 

Jane Byron, age 51, an extremely active person all her life, underwent knee replacement on both knees at Hospital for Special Surgery in 2010.  Within days of the surgery, Jane was up and riding a Lifecycle and has been riding a bike ever since.  Two months postsurgery, she was pressing 75 pounds on the squat rack and continues today.
"The number of patients in their 50s coming into my office asking for joint replacement is higher than ever," says Dr. Steven B. Haas, a knee surgeon at Hospital for Special Surgery in New York City.

At Special Surgery, where more knee replacements and hip surgeries are performed than at any other hospital in the nation, doctors are looking at what happens when their patients go back to the sports they love. To meet the growing need, Hospital for Special Surgery orthopedists like Dr. Haas have collaborated on new devices with more wear-resistant materials so patients in their 50s may not have to worry that a new knee will wear out before they will.

"Joint replacement used to be about doing the things you needed to do -- literally, being able to walk. Now, younger patients are coming and saying, 'I want to continue playing tennis, skiing, golfing, or coaching little league and don't want to be sidelined by pain or disability,'" says Dr. Haas, who is chief of the knee service at Hospital for Special Surgery.  Earlier this year, he presented the outcomes of his research on a newer knee design and showed that most patients can comfortably perform these activities.  Additionally, the FDA has recently approved an implant referred to as the "30-year knee," which was based on tests simulating 30 years of use.

Across the United States, baby boomers' passion for competing in marathons, triathlons, basketball and tennis has worn out knees, hips and shoulders in middle age. As a result, this group is undergoing joint replacement sooner to get on with their lives.  At Hospital for Special Surgery, 27 percent of knee replacements in 2009 were for people under the age of 60.

Only a few years ago, joint replacements were performed on individuals in their 60s and 70s because it was thought that implants wouldn't last more than 15 to 20 years.  As a result, patients were encouraged to postpone these procedures so they wouldn't need to have a second replacement.

A number of studies of knee and hip replacements have shown that after 20 years, 90 percent are still functioning.  Today's new devices may extend the implant's life expectancy even further.

All this was good news for Jane Byron, age 51, a nurse who underwent knee replacement surgery in both knees in 2010. An extremely active person, Jane is on her feet at work and exercises at the gym seven days a week.  Six years ago she had a rollerblading accident and tore her meniscus.  She was told at the time that she also had arthritis and needed a knee replacement.  She went for a second opinion and was told that she wasn't ready for one.  Instead, she had arthroscopic surgery to repair the meniscus and then underwent Synvisc injections.  Jane noticed that she began to walk cockeyed and her leg became very knock-kneed and deformed.  Her knee wasn't functioning right and she was using all of her body strength to keep herself mobile and upright.

Five years following her initial accident, she sought help at Hospital for Special Surgery where she met with Dr. Haas. He recommended a minimally invasive knee replacement. Two days following surgery, Jane walked with a cane to the gym where she did an upper body workout.  Because she had placed so much stress on her "good" knee, she damaged it as well and Dr. Haas advised that it be replaced too.  Jane underwent a second knee replacement four months later.  The day following surgery, she mounted a Lifecycle and pedaled for 45 minutes.  She's ridden the bike daily ever since. Two months post-surgery, she was pressing 75 pounds on the squat rack.

About Hospital for Special Surgery
Founded in 1863, Hospital for Special Surgery (HSS) is a world leader in orthopedics, rheumatology and rehabilitation. HSS is nationally ranked No. 1 in orthopedics, No. 3 in rheumatology, and No. 16 in neurology by U.S.News & World Report (2010-11), and has received Magnet Recognition for Excellence in Nursing Service from the American Nurses Credentialing Center, and has one of the lowest infection rates in the country. From 2007 to 2011, HSS has been a recipient of the HealthGrades Joint Replacement Excellence Award. A member of the NewYork-Presbyterian Healthcare System and an affiliate of Weill Cornell Medical College, HSS provides orthopedic and rheumatologic patient care at NewYork-Presbyterian Hospital at New York Weill Cornell Medical Center. All Hospital for Special Surgery medical staff are on the faculty of Weill Cornell Medical College. The hospital's research division is internationally recognized as a leader in the investigation of musculoskeletal and autoimmune diseases. Hospital for Special Surgery is located in New York City and online at http://www.hss.edu/.

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