THA revision rate increasing for some age groups, but revisions as a whole are down

A study, published in the Journal of Bone and Joint Surgery, examined the rate of total hip arthroplasty revision surgeries for patients between 45 and 64 years.

Researchers identified 320,496 THA revisions performed between 2007 and 2013.

Here's what they found.

1. THA revision rate increased 30.4 percent for the 45-to 64-year-old age group, while decreasing in all other age groups.

2. Despite the increase in the 45-to 64-year-old age group, revision rates overall are dropping. Surgically treated THA dislocations decreased by 14.3 percent from 2007 to 2013, and the mean length of hospital stay and cost for THA revision were both significantly lower in 2013 than in 2007.

3. Primary THA procedures also lasted significantly longer in 2013 than 2007.

4. The following complications all decreased: deep vein thrombosis, pulmonary embolism, myocardial infarction, transfusion, pneumonia, urinary tract infection and mortality.

5. Fewer patients have been discharged to a skilled nursing facility as well.

Researchers concluded, "The THA revision rate has significantly increased in patients between 45 and 64 years of age. However, the rate of surgically treated THA dislocations has decreased significantly. This may indicate that evolving techniques and implants are improving stability. The rate of inpatient complications following THA revision also decreased significantly from 2007 to 2013."

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