Nonpharmacologic recommendations for ankylosing spondylitis aren’t often followed by rheumatologists in the Boston-based Partners Healthcare system, and probably elsewhere, according to a review presented at the virtual annual meeting of the Spondyloarthritis Research and Treatment Network (SPARTAN).
The American College of Rheumatology, Spondylitis Association of America, and SPARTAN released joint guidelines for ankylosing spondylitis (AS) and nonradiographic axial spondyloarthritis in 2016. Nonpharmacologic recommendations for AS included regular disease activity monitoring using a validated measure and C-reactive protein or erythrocyte sedimentation rate; physical therapy (PT) or home back exercises; and screening for osteoporosis with dual x-ray absorptiometry (DXA) scanning.
However, “the extent to which these recommendations are followed in clinical practice is unknown,” said lead investigator Akash Patel, of the Brigham and Women’s Hospital Division of Rheumatology, Immunology, and Allergy, in Boston.
To find out, the team reviewed electronic records for 304 AS patients who had 564 rheumatology clinic visits with Brigham and Women’s and other Partners Healthcare physicians from July 1, 2016, to June 30, 2019.
Records documented DXA scans in less than 20% of visits. PT was documented in only 9% of visits, and home back exercise in just 7%. Inflammatory marker measurement was documented in about half of visits, and disease activity was measured in only 17%.
Comparing the first year of the study – right after the recommendations came out – to the third year, the team found just an 8% increase in disease activity documentation, and about a 3% increase in documentation of PT and back exercises.
In short, the recommendations “were performed at low frequencies in this study population,” Mr. Patel said at the meeting, which was held online this year because of the COVID-19 pandemic.
It’s unclear what’s going on. Perhaps some physicians disagree with the 2016 advice – the regular monitoring of disease activity, after all, was a conditional recommendation based on low-quality evidence. Other times, physicians might not have had enough time to talk about exercise or draw blood for AS biomarkers. Maybe they didn’t bring up PT when they knew their patients couldn’t afford the out-of-pocket cost.
Whatever the case, future iterations of the guidelines should include advice on how to implement them. “We believe that including some sort of strategy for rheumatologists may help increase compliance,” Mr. Patel said.
A member of the online viewing audience suggested that the problem may be widespread in rheumatology. "I think if we did this at my institution,” for example, “it would also look abysmal. I think we all just suck at this,” the attendee said.*
Mr. Patel and his team presented the results to Brigham and Women’s rheumatologists in February 2020, but it’s too early to tell if it made a difference.
It was a typical AS cohort. Almost three-quarters of the subjects were men; the average age was 50 years old; and the diagnosis was made by imaging. The majority of patients were HLA-B27 positive, and over one-third had a history of uveitis.
The study’s funding source and disclosures – if any – weren’t reported.
*Correction, 6/3/2020: A previous version of this story misattributed this quote.
SOURCE: Patel A et al. SPARTAN 2020 abstract session May 15.