Using 3D Computer Technology to Pre-Plan Shoulder Replacement Surgery

About 53,000 people in the United States have shoulder replacement surgery each year, according to the Agency for Healthcare Research and Quality. Considered one of the most successful orthopedic surgical procedures, and among the fastest growing, more than 250 out of every 100,000 people in the U.S. have a replaced shoulder. With these numbers increasing, so are clinical advances in shoulder replacement surgery, including the use of computer 3D modeling technology which assists orthopedic surgeons in pre-planning each patient's surgery.

"This means an individualized treatment for the patient, tailored to their particular needs, restoring their range of motion so they can return to activities they've always enjoyed," said Gregory V. Gasbarro, M.D., a board certified, shoulder Fellowship-trained orthopedic surgeon at The Shoulder, Elbow, Wrist and Hand Center at Mercy in Baltimore, Maryland.

Using the 3D modeling technology, one can conduct a virtual simulation of the surgery, test different implants to see how they fit, and determine how the implant can be best positioned within the shoulder itself.

"Thanks to this approach, a surgeon can predict the implant type needed, how it is to be seated, and even create a special guide for optimal implant alignment during shoulder replacement surgery," Dr. Gasbarro said.

Dan Lidster, 64, came to see Dr. Gasbarro in 2020 after living with shoulder pain after many years of exercise and regular workouts. X-rays had revealed the need for a shoulder replacement. Dr. Gasbarro mapped out a unique approach for Lidster, starting with a computerized CT scan.

"The software program then makes a three-dimensional model of the patient's shoulder," Dr. Gasbarro said. "When you use the guide, it puts down the best column of bones, so you can have stability, and it's also pushing you in the correct direction so you can correct the deformity."

Dr. Gasbarro replaced Lidster's shoulder in June of 2020.

"I have no issues. I can't lift as heavy weights, but I can still lift weights, and that's the important part. I can do it pain free," Lidster said.

View Mercy orthopedic surgeon Dr. Gregory Gasbarro's interview regarding the use of 3D imagery for shoulder replacement surgery.