Neutropenia and Felty Syndrome in Rheumatoid Arthritis Patients
Author Information
Author(s): Jorge Luis Rodas Flores, Blanca Hernández-Cruz, Víctor Sánchez-Margalet, Ana Fernández-Reboul, Esther Fernández Panadero, Gracia Moral García, José Javier Pérez Venegas
Primary Institution: Virgen Macarena University Hospital
Hypothesis
What is the frequency of neutropenia and Felty syndrome in patients with rheumatoid arthritis?
Conclusion
Neutropenia in rheumatoid arthritis patients is mostly related to biologics, particularly IL6 inhibitors, and is generally mild and acute.
Supporting Evidence
- 50 patients had at least one episode of neutropenia, with an incidence of 18.5%.
- Most neutropenic episodes were mild, with 74% classified as mild.
- Neutropenia was primarily associated with the use of biologics, especially IL6 inhibitors.
Takeaway
This study looked at how often people with rheumatoid arthritis get low white blood cell counts and a rare condition called Felty syndrome. They found that it happens more often with certain medications.
Methodology
An observational, retrospective and analytical study was conducted on 270 rheumatoid arthritis patients selected randomly from a database.
Potential Biases
Potential biases may arise from the retrospective design and reliance on electronic medical records.
Limitations
The study is retrospective and lacks a control group.
Participant Demographics
The sample included 213 women (79%) with a median age of 61.5 years.
Statistical Information
P-Value
0.03
Confidence Interval
14.0–25.6%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website