Session Information
Session Type: Abstract Submissions (ACR)
Background/Purpose: “Lupus headache” is controversial and is included in validated measures of global SLE disease activity. We examined the frequency and characteristics of “lupus headache” in a large, prospective, inception cohort of SLE patients and the association with global disease activity and health related quality of life.
Methods: An international network of 30 academic medical centers enrolled patients within 15 months of SLE diagnosis. Annual assessments were performed for 19 neuropsychiatric (NP) syndromes as per the ACR case definitions. This included 5 types of headache using the International Headache Society (IHS) criteria. Additional data were demographic and clinical variables, SLE global disease activity (SLEDAI-2K), which includes “lupus headache” as a standalone variable, SLICC/ACR damage index (SDI) and self-report mental (MCS) and physical (PCS) component summary scores of the SF-36. Statistical analysis used linear regression models with generalized estimating equations to account for within patient correlation.
Results: Of the 1732 enrolled patients 89% were female. Race/ethnicity was Caucasian (48%), African (16%), Asian (16%), Hispanic (16%) and other (4%). At enrollment the mean (±SD) age was 34.6±13.4 years, disease duration was 5.6±4.8 months and followup was 3.8±3.1 years. Twenty-six (1.5%) patients had “lupus headache” at 27 (0.36%) of 7523 assessments. Concurrent classification using the IHS headache case definitions were: migraine (13), tension headaches (8), intractable non-specific headaches (5), cluster headaches (1) and intracranial hypertension (1). Two patients had 2 types of headache and in 5 (18.5%) of 27 assessments there were concurrent NP events. “Lupus headache” was reported at both enrollment (n=14) and follow-up (n=13) assessments, in patients from all racial/ethnic groups in 15 of 30 (50%) sites located in 8 of 11 countries (USA, Canada, UK, Spain, South Korea, Mexico, Sweden and Iceland). The estimated mean (±SE) SLEDAI-2K scores, without including “lupus headache” variable, for visits with no headache (n=6019), a non-lupus headache (n=1330) and both a non-lupus and “lupus headache” (n=27) were 3.8±0.08, 3.6±0.18 and 7.2±1.40 respectively (p=0.034). Concurrent SF-36 MCS scores were 47.8±0.28, 42.6±0.56 and 39.4±2.41 (p<0.001) and PCS scores were 42.6±0.30, 38.1±0.53 and 32.4±1.76 (p<0.001). SLEDAI-2K scores, without including “lupus headache” variable, for patients with and without “lupus headache” were 7.2±1.40 vs 3.7±0.08 (p=0.035). In 5/26 (19.2%) patients “lupus headache” was the sole contributor to the SLEDAI-2K score. Concurrent SF-36 MCS and PCS scores for patients with and without “lupus headache” were 39.4±2.41 vs 46.8±0.27 (p=0.002) and 32.4±1.76 vs 41.7±0.28 (p<0.001) respectively.
Conclusion: “Lupus headache”, although infrequent, was associated with higher global disease activity and a lower HRQoL. It was not reproducibly aligned with a uniform IHS classification of headache (e.g. intractable headache). The lack of consistency in diagnosing “lupus headache”, even by experienced clinicians, indicates a need to better define “lupus headache” and to reach consensus on whether it is truly a standalone manifestation of NPSLE.
Disclosure:
J. G. Hanly,
None;
M. B. Urowitz,
None;
A. o’Keeffe,
None;
C. Gordon,
None;
S. C. Bae,
None;
J. Sanchez-Guerrero,
None;
J. Romero-Diaz,
None;
A. E. Clarke,
None;
S. Bernatsky,
None;
D. J. Wallace,
None;
E. M. Ginzler,
None;
D. A. Isenberg,
None;
A. Rahman,
None;
J. T. Merrill,
None;
M. A. Petri,
None;
P. R. Fortin,
None;
D. D. Gladman,
None;
B. J. Fessler,
None;
G. S. Alarcon,
None;
I. N. Bruce,
None;
M. A. Dooley,
None;
K. Steinsson,
None;
M. A. Khamashta,
None;
R. Ramsey-Goldman,
None;
S. Manzi,
None;
G. K. Sturfelt,
None;
O. Nived,
None;
A. A. Zoma,
None;
R. F. van Vollenhoven,
None;
M. Ramos-Casals,
None;
C. Aranow,
None;
M. Mackay,
None;
G. Ruiz-Irastorza,
None;
K. C. Kalunian,
None;
S. S. Lim,
None;
M. Inanc,
None;
D. L. Kamen,
None;
C. Peschken,
None;
S. Jacobsen,
None;
C. Theriault,
None;
K. Thompson,
None;
V. Farewell,
None.
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