Surprising Study Finds No Link Between Rheumatoid Arthritis And Transfusion Risk After Knee Replacement
Surprising Study Finds No Link Between Rheumatoid Arthritis And Transfusion Risk After Knee Replacement . (MENAFN - PR Newswire) 
  
  
 
 
 
 
 
 WASHINGTON, Nov. 17, 2024 /PRNewswire/ -- Having rheumatoid arthritis (RA) was not a risk factor for needing a blood transfusion during or after total knee ...
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WASHINGTON, Nov. 17, 2024 /PRNewswire/ -- Having rheumatoid arthritis (RA) was not a risk factor for needing a blood transfusion during or after total knee replacement, according to a new study by

HSS researchers presented today at the annual meeting of the American College of Rheumatology, ACR Convergence 2024 .1

Advancements in surgical techniques and the increased use of a called tranexamic acid for preventing and controlling bleeding have made it possible for many patients undergoing knee replacement to avoid needing a transfusion, which requires hospital admission for at least a day.

Despite these advancements, it was believed that patients with RA undergoing orthopedic surgeries had an elevated risk of transfusion since they tend to have higher rates of anemia compared to the individuals without the disease. RA occurs in about 1% of the general American population.2

About 4% of patients having joint replacement surgeries at HSS have the disease.

"Learning that rheumatoid arthritis was not a transfusion risk factor was unexpected," said HSS rheumatologist Susan M. Goodman, MD , co-author of the study. "However, we believe presurgical care, including proactively managing chronic anemia before surgery, played a key role in minimizing transfusion risk."

For their study, Dr. Goodman, HSS rheumatologist Linda A. Russell, MD , and colleagues analyzed hospital records for more than 29,000 patients who had a single total knee arthroplasty procedure at HSS from February 2016 to December 2022. A total of 822 patients, or 2.8%, received transfusions. The transfusion rate declined significantly during the study period from 5.7% in 2016 to 0.9% in 2022.

The investigators reviewed patient demographics such as age and sex, preoperative hemoglobin levels, RA diagnosis and the use of tranexamic acid during surgery, and then looked for associations with transfusion risk.

"In addition to finding that rheumatoid arthritis was not a transfusion risk factor, analysis revealed that a higher preoperative hemoglobin level and the use of tranexamic acid significantly decreased transfusion risk, while being male and having a greater burden of other diseases increased risk," said HSS pre-doctoral student and research assistant Stephen Batter, BA , the presenting author of the poster summarizing the study.

The research team plans to use their unexpected findings to develop a tool to identify patients with different levels of transfusion risk based on preoperative hemoglobin level, sex, age and health status. This initiative may help orthopedic surgeons better anticipate which patients can safely avoid transfusion and may be suitable candidates for outpatient knee replacement surgery.

Authors: Stephen Batter, BA , Huong Do, MA, Dongmei Sun, PhD, Ahmed Deeb, BA, Trang Bui, MD, Jason L. Blevins, MD , Mark P. Figgie, MD , Gwo-Chin Lee, MD , J. Alex B. Gibbons, BA, Bella Mehta, MD, MS, MBBS , Susan M. Goodman, MD , Linda Russell, MD .

Reference:

1 Batter S, Do H, Sun D, Deeb A, Bui T, Blevins J, Figgie M, Lee G, Gibbons J, Mehta B, Goodman S, A Russell L. Investigating Predictors of Transfusion in Rheumatoid Arthritis and Osteoarthritis Patients Undergoing Knee Arthroplasty [abstract].

Arthritis Rheumatol.

2024; 76 (suppl 9). . Accessed

October 10, 2024.

2 Xu Y, Wu Q. Prevalence Trend and Disparities in Rheumatoid Arthritis among US Adults, 2005-2018. J Clin Med. 2021;10(15):3289. . Accessed October 10, 2024.

About HSS

HSS is the world's leading academic medical center focused on musculoskeletal health. At its core is Hospital for Special Surgery, nationally ranked No. 1 in orthopedics (for the 15th consecutive year), No. 3 in rheumatology by U.S. News & World Report (2024-2025), and the best pediatric orthopedic hospital in NY, NJ and CT by U.S. News & World Report "Best Children's Hospitals" list (2024-2025). In a survey of medical professionals in more than 20 countries by Newsweek, HSS is ranked world #1 in orthopedics for a fifth consecutive year (2025). Founded in 1863, the Hospital has the lowest readmission rates in the nation for orthopedics, and among the lowest infection and complication rates. HSS was the first in New York State to receive Magnet Recognition for Excellence in Nursing Service from the American Nurses Credentialing Center five consecutive times. An affiliate of Weill Cornell Medical College, HSS has a main campus in New York City and facilities in New Jersey, Connecticut and in the Long Island and Westchester County regions of New York State, as well as in Florida. In addition to patient care, HSS leads the field in research, innovation and education. The HSS Research Institute comprises 20 laboratories and 300 staff members focused on leading the advancement of musculoskeletal health through prevention of degeneration, tissue repair and tissue regeneration. In addition, more than 200 HSS clinical investigators are working to improve patient outcomes through better ways to prevent, diagnose, and treat orthopedic, rheumatic and musculoskeletal diseases. The HSS Innovation Institute works to realize the potential of new drugs, therapeutics and devices. The HSS Education Institute is a trusted leader in advancing musculoskeletal knowledge and research for physicians, nurses, allied health professionals, academic trainees, and consumers in more than 165 countries. The institution is collaborating with medical centers and other organizations to advance the quality and value of musculoskeletal care and to make world-class HSS care more widely accessible nationally and internationally.

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SOURCE Hospital for Special Surgery

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2024-11-17
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(MENAFN - PR Newswire) 
  
  
 
 
 
 
 
 WASHINGTON, Nov. 17, 2024 /PRNewswire/ -- Having rheumatoid arthritis (RA) was not a risk factor for needing a blood transfusion during or after total knee ...
Surprising Study Finds No Link Between Rheumatoid Arthritis And Transfusion Risk After Knee Replacement