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spinal deformity affects the hip joint replacement

November 29, 2017 15:40

spinal deformityPeople with a spinal deformity requiring hip replacement, Are at greater risk of dislocation or subsequent revision surgery. A new study by orthopedic surgeons at NYU Langone Medical Center, allows us to understand how the spine interacts with the deformation of the pelvis.

Surgeons should anticipate potential instability after hip replacement in patients c spine deformation, respectively, adjusting their plans of operations, - says the study's lead author Aaron J. Buckland, MD, associate professor of orthopedic surgery ..

Paper presented March 17, 2017 at the annual meeting of the American Academy of Orthopedic Surgeons in San Diego, California. The results were published in the Journal of Arthroplasty.

Annually more than 310,000 operations for hip replacement in the US, and over the past two decades have significantly increased performance in people from 45 to 64 years. It is estimated that the operation of joint replacement have transferred 2.5 million Americans.

In step implanted artificial joint consisting of a ball and socket to replace the natural socket in the pelvis. Over the past 40 years, surgeons placed a nest near the pelvic bone in the so-called safe zone - a position that reduces the risk of dislocation. A new study suggests that a cup of room in the safe zone is not enough to prevent dislocation in patients withspinal deformity .

According to Dr. Buckland, research promotes greater collaboration between surgeons who regularly treat deformity of the spine, and those who perform hip replacements.

The study involved 107 patients who met the criteria for spinal deformity, and who had 139 operations a hip replacement. Using the software, the researchers analyzed the position of the acetabular cup, the dynamic changes in the position of the cup and the frequency of instability in patients undergoing surgery.

Lumbar spine, or lower back moves during normal posture changes (from a seated position to a standing position). This creates a change in the position of the acetabulum, or hip.

Orthopedic surgeons who perform surgery to replace, it is necessary to collaborate with experts in spine treatment in matters of preoperative planning in order to ensure optimal results for patients. According to researchers, the degree of deformation of the spine - an important factor in planning the operation.

The research team is planning the following projects to study postural analysis in more detail.

Source: https://medicalxpress.com/news/2017-03-degree-spinal-deformity-affects-hip.html

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