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1.
Arthritis Rheumatol ; 75(10): 1687-1702, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37635643

RESUMEN

OBJECTIVE: To develop new antiphospholipid syndrome (APS) classification criteria with high specificity for use in observational studies and trials, jointly supported by the American College of Rheumatology (ACR) and EULAR. METHODS: This international multidisciplinary initiative included 4 phases: 1) Phase I, criteria generation by surveys and literature review; 2) Phase II, criteria reduction by modified Delphi and nominal group technique exercises; 3) Phase III, criteria definition, further reduction with the guidance of real-world patient scenarios, and weighting via consensus-based multicriteria decision analysis, and threshold identification; and 4) Phase IV, validation using independent adjudicators' consensus as the gold standard. RESULTS: The 2023 ACR/EULAR APS classification criteria include an entry criterion of at least one positive antiphospholipid antibody (aPL) test within 3 years of identification of an aPL-associated clinical criterion, followed by additive weighted criteria (score range 1-7 points each) clustered into 6 clinical domains (macrovascular venous thromboembolism, macrovascular arterial thrombosis, microvascular, obstetric, cardiac valve, and hematologic) and 2 laboratory domains (lupus anticoagulant functional coagulation assays, and solid-phase enzyme-linked immunosorbent assays for IgG/IgM anticardiolipin and/or IgG/IgM anti-ß2 -glycoprotein I antibodies). Patients accumulating at least 3 points each from the clinical and laboratory domains are classified as having APS. In the validation cohort, the new APS criteria versus the 2006 revised Sapporo classification criteria had a specificity of 99% versus 86%, and a sensitivity of 84% versus 99%. CONCLUSION: These new ACR/EULAR APS classification criteria were developed using rigorous methodology with multidisciplinary international input. Hierarchically clustered, weighted, and risk-stratified criteria reflect the current thinking about APS, providing high specificity and a strong foundation for future APS research.


Asunto(s)
Síndrome Antifosfolípido , Reumatología , Femenino , Embarazo , Humanos , Estados Unidos , beta 2 Glicoproteína I , Autoanticuerpos , Inmunoglobulina G , Inmunoglobulina M
2.
Ann Rheum Dis ; 82(10): 1258-1270, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37640450

RESUMEN

OBJECTIVE: To develop new antiphospholipid syndrome (APS) classification criteria with high specificity for use in observational studies and trials, jointly supported by the American College of Rheumatology (ACR) and EULAR. METHODS: This international multidisciplinary initiative included four phases: (1) Phase I, criteria generation by surveys and literature review; (2) Phase II, criteria reduction by modified Delphi and nominal group technique exercises; (3) Phase III, criteria definition, further reduction with the guidance of real-world patient scenarios, and weighting via consensus-based multicriteria decision analysis, and threshold identification; and (4) Phase IV, validation using independent adjudicators' consensus as the gold standard. RESULTS: The 2023 ACR/EULAR APS classification criteria include an entry criterion of at least one positive antiphospholipid antibody (aPL) test within 3 years of identification of an aPL-associated clinical criterion, followed by additive weighted criteria (score range 1-7 points each) clustered into six clinical domains (macrovascular venous thromboembolism, macrovascular arterial thrombosis, microvascular, obstetric, cardiac valve, and hematologic) and two laboratory domains (lupus anticoagulant functional coagulation assays, and solid-phase enzyme-linked immunosorbent assays for IgG/IgM anticardiolipin and/or IgG/IgM anti-ß2-glycoprotein I antibodies). Patients accumulating at least three points each from the clinical and laboratory domains are classified as having APS. In the validation cohort, the new APS criteria vs the 2006 revised Sapporo classification criteria had a specificity of 99% vs 86%, and a sensitivity of 84% vs 99%. CONCLUSION: These new ACR/EULAR APS classification criteria were developed using rigorous methodology with multidisciplinary international input. Hierarchically clustered, weighted, and risk-stratified criteria reflect the current thinking about APS, providing high specificity and a strong foundation for future APS research.


Asunto(s)
Síndrome Antifosfolípido , Reumatología , Femenino , Embarazo , Humanos , Síndrome Antifosfolípido/diagnóstico , Autoanticuerpos , Inmunoglobulina G , Inmunoglobulina M
4.
JAMA ; 327(9): 879-880, 2022 03 01.
Artículo en Inglés | MEDLINE | ID: mdl-35230398
5.
J Clin Rheumatol ; 28(2): e340-e347, 2022 03 01.
Artículo en Inglés | MEDLINE | ID: mdl-33657588

RESUMEN

METHODS: We identified 20 adult patients with UCTD enrolled in the UCTD and Overlap Registry at our tertiary care level hospital. A licensed clinical social worker administered a 30-minute semistructured interview by telephone. The standardized questionnaire consisted of 14 open-ended questions on UCTD. A team of physicians, research coordinators, and a social worker used grounded theory to analyze the qualitative data and identify themes. RESULTS: Among 14/20 study participants (100% female; mean age, 53.6 ± 13.2 years [range, 27-74 years]), all had at least an associate's/bachelor's degree; 9 (64%) were White. The mean disease duration was 14.5 ± 13.5 years (range, 0.5-44 years). Nine study participants (64%) were engaged in counseling or mindfulness training. Ten specific psychosocial themes and categories emerged, including the need for professional guidance and peer and family support to increase awareness, reduce isolation, and promote self-efficacy. CONCLUSIONS: Emerging themes from semistructured interviews of women with UCTD at a major academic center suggest the need for psychosocial interventions (e.g., patient support groups, educational materials, peer counselors) to help UCTD patients manage and cope with their illness. Future studies evaluating the psychosocial impact of UCTD diagnosis on diverse cohorts are needed.


Asunto(s)
Enfermedades del Tejido Conjuntivo , Enfermedades Indiferenciadas del Tejido Conectivo , Adaptación Psicológica , Adulto , Anciano , Enfermedades del Tejido Conjuntivo/diagnóstico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Grupo Paritario , Investigación Cualitativa , Autoeficacia
6.
ACR Open Rheumatol ; 4(3): 197-201, 2022 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-34806330

RESUMEN

Diagnostic uncertainty, commonly encountered in rheumatology and other fields of medicine, is an opportunity: Stakeholders who understand uncertainty's causes and quantitate its effects can reduce uncertainty and can use uncertainty to improve medical practice, science, and administration. To articulate, bring attention to, and offer recommendations for diagnostic uncertainty, the Barbara Volcker Center at the Hospital for Special Surgery sponsored, in April 2021, a virtual international workshop, "When a Diagnosis Has No Name." This paper summarizes the opinions of 72 stakeholders from the fields of medical research, industry, federal regulatory agencies, insurers, hospital management, medical philosophy, public media, health care law, clinical rheumatology, other specialty areas of medicine, and patients. Speakers addressed the effects of diagnostic uncertainty in their fields. The workshop addressed the following six questions: What is a diagnosis? What are the purposes of diagnoses? How do doctors assign diagnoses? What is uncertainty? What are its causes? How does understanding uncertainty offer opportunities to improve all fields of medicine? The workshop's conveners systematically reviewed video recordings of formal presentations, video recordings of open discussion periods, manuscripts, and slide files submitted by the speakers to develop consensus take-home messages, which were as follows: Diagnostic uncertainty causes harm when patients lack access to laboratory test and treatments, do not participate in research studies, are not counted in administrative and public health documents, and suffer humiliation in their interactions with others. Uncertainty offers opportunities, such as quantifying uncertainty, using statistical technologies and automated intelligence to stratify patient groups by level of uncertainty, using a common vocabulary, and considering the effects of time.

8.
Arthritis Care Res (Hoboken) ; 73(7): 1004-1012, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-33342085

RESUMEN

OBJECTIVE: The present study was undertaken to evaluate the pregnancy experiences of women receiving care in the division of rheumatology at a major academic center in New York City during the COVID-19 pandemic. METHODS: A web-based COVID-19 survey was emailed to 26,045 patients who were followed in the division of rheumatology at a single center in New York City. Women ages 18-50 years were asked about their pregnancy. We compared the COVID-19 experience between pregnant and nonpregnant women and also explored the impact of the pandemic on prenatal care and perinatal outcomes. RESULTS: Among 7,094 of the 26,045 respondents, 1,547 were women ages 18-50 years, with 61 (4%) reporting being pregnant during the pandemic. The prevalence of self-reported COVID-19 was similar in pregnant and nonpregnant women (8% versus 9%, respectively; P = 0.76). Among women with COVID-19, pregnant women had a shorter duration of symptoms (P < 0.01) and were more likely to experience loss of smell or taste (P = 0.02) than nonpregnant women. Approximately three-fourths of women had a systemic rheumatic disease, with no differences when stratified by pregnancy or COVID-19 status. In all, 67% of pregnant women noted changes to prenatal care during the pandemic, and 23% of postpartum women stated that the pandemic affected delivery. CONCLUSION: Among women followed in the division of rheumatology at a major center in New York City, pregnancy was not associated with increased self-reported COVID-19. Pregnancy was associated with a shorter duration of COVID-19 symptoms and a higher prevalence of loss of smell or taste. The COVID-19 pandemic impacted prenatal care for the majority of pregnant patients.


Asunto(s)
COVID-19/epidemiología , Complicaciones Infecciosas del Embarazo/epidemiología , Resultado del Embarazo , Atención Prenatal/tendencias , Enfermedades Reumáticas/terapia , Reumatología/tendencias , Adolescente , Adulto , COVID-19/diagnóstico , Femenino , Encuestas de Atención de la Salud , Humanos , Persona de Mediana Edad , Ciudad de Nueva York/epidemiología , Embarazo , Complicaciones Infecciosas del Embarazo/diagnóstico , Prevalencia , Enfermedades Reumáticas/diagnóstico , Enfermedades Reumáticas/epidemiología , Índice de Severidad de la Enfermedad , Adulto Joven
9.
Arthritis Care Res (Hoboken) ; 73(10): 1490-1501, 2021 10.
Artículo en Inglés | MEDLINE | ID: mdl-33253499

RESUMEN

OBJECTIVE: An international multidisciplinary initiative, jointly supported by the American College of Rheumatology and European Alliance of Associations for Rheumatology, is underway to develop new rigorous classification criteria to identify patients with high likelihood of antiphospholipid syndrome (APS) for research purposes. The present study was undertaken to apply an evidence- and consensus-based approach to identify candidate criteria and develop a hierarchical organization of criteria within domains. METHODS: During phase I, the APS classification criteria steering committee used systematic literature reviews and surveys of international APS physician scientists to generate a comprehensive list of items related to APS. In phase II, we reviewed the literature, administered surveys, formed domain subcommittees, and used Delphi exercises and nominal group technique to reduce potential APS candidate criteria. Candidate criteria were hierarchically organized into clinical and laboratory domains. RESULTS: Phase I generated 152 candidate criteria, expanded to 261 items with the addition of subgroups and candidate criteria with potential negative weights. Using iterative item reduction techniques in phase II, we initially reduced these items to 64 potential candidate criteria organized into 10 clinical and laboratory domains. Subsequent item reduction methods resulted in 27 candidate criteria, hierarchically organized into 6 additive domains (laboratory, macrovascular, microvascular, obstetric, cardiac, and hematologic) for APS classification. CONCLUSION: Using data- and consensus-driven methodology, we identified 27 APS candidate criteria in 6 clinical or laboratory domains. In the next phase, the proposed candidate criteria will be used for real-world case collection and further refined, organized, and weighted to determine an aggregate score and threshold for APS classification.


Asunto(s)
Síndrome Antifosfolípido/diagnóstico , Reumatología/normas , Síndrome Antifosfolípido/clasificación , Síndrome Antifosfolípido/inmunología , Consenso , Técnica Delphi , Humanos , Valor Predictivo de las Pruebas , Índice de Severidad de la Enfermedad
11.
Arthritis Rheumatol ; 72(8): 1325-1329, 2020 08.
Artículo en Inglés | MEDLINE | ID: mdl-32162838

RESUMEN

OBJECTIVE: To provide reference data regarding the frequency and safety of elective termination of pregnancy in women with autoimmune rheumatic diseases followed up in 2 referral databases. METHODS: Two large databases, one from an autoimmune rheumatic disease referral clinical practice with a known interest in pregnancy (the Barbara Volcker Center for Women and Rheumatic Disease [BVC]), and one from an observational study of systemic lupus erythematosus- and antiphospholipid antibody-associated pregnancies (Predictors of Pregnancy Outcome: Biomarkers in Antiphospholipid Antibody Syndrome and Systemic Lupus Erythematosus [PROMISSE]), were interrogated for histories of prior elective termination of pregnancy and complications related to incident pregnancy termination. RESULTS: Of women who had had prior pregnancies, 21.7% of 1,307 in the BVC database and 25.3% of 297 in the PROMISSE database gave histories of 1-5 prior elective terminations of pregnancy; BVC patients reported no flares or hospitalizable complications due to pregnancy termination. Of 674 incident pregnancies, termination for fetal or maternal reasons was recommended for 15 (2%); of these, 2 fetuses died before the procedure was carried out and 1 woman declined termination and, though gravely ill, successfully delivered. She died of cardiomyopathy 3 years later. CONCLUSION: Many patients with autoimmune rheumatic disease undergo elective termination of pregnancy; few report complications. In medically indicated termination of pregnancy, there are no adverse signals of unusual complications or disease flare.


Asunto(s)
Aborto Inducido/estadística & datos numéricos , Enfermedades Autoinmunes/complicaciones , Complicaciones del Embarazo/terapia , Enfermedades Reumáticas/complicaciones , Adulto , Enfermedades Autoinmunes/inmunología , Bases de Datos Factuales , Femenino , Humanos , Persona de Mediana Edad , Embarazo , Complicaciones del Embarazo/inmunología , Enfermedades Reumáticas/inmunología
12.
Arthritis Res Ther ; 22(1): 52, 2020 03 19.
Artículo en Inglés | MEDLINE | ID: mdl-32188491

RESUMEN

BACKGROUND: Lupus patients are at risk for pregnancy loss, and it has been generally accepted that women with SLE should have low disease activity prior to conception. However, there are conflicting results regarding the effect of pregnancy on SLE flares. This study aims to identify predictors of flares during and after pregnancy in SLE patients with inactive or stable disease activity during the first trimester and to characterize and estimate the frequency of post-partum flares in these patients. METHODS: SLE patients in the multicenter, prospective PROMISSE (Predictors of Pregnancy Outcome: Biomarkers in Antiphospholipid Antibody Syndrome and Systemic Lupus Erythematosus) study were evaluated for flares during and after pregnancy using the SELENA-SLEDAI Flare Index. Flares during pregnancy were assessed in all 384 patients and post-partum flares in 234 patients with study visits 2-6 months post-partum. Logistic regression models were fit to the data to identify independent risk factors for flare. RESULTS: During pregnancy, 20.8% of patients had mild/moderate flares and 6.25% had severe. Post-partum, 27.7% of patients had mild/moderate flares and 1.7% had severe. The mild flares rarely required treatment. Younger age, low C4 and higher PGA at baseline were independently associated with higher risk of having at least one mild/moderate or severe flare during pregnancy. Older patients were at decreased risk of flare, as well as those with quiescent disease at baseline. No variables evaluated at baseline or the visit most proximal to delivery was significantly associated with risk of flare post-partum. Medications were not associated with flare during or after pregnancy. CONCLUSION: In patients with inactive or stable mild disease activity at the time of conception, lupus disease flares during and after pregnancy are typically mild and occur at similar rates. Flares during pregnancy are predicted by the patients' age and clinical and serological activity at baseline.


Asunto(s)
Lupus Eritematoso Sistémico/inmunología , Periodo Posparto/inmunología , Complicaciones del Embarazo/inmunología , Primer Trimestre del Embarazo/inmunología , Adulto , Anticuerpos Antinucleares/sangre , Anticuerpos Antinucleares/inmunología , Biomarcadores/sangre , Progresión de la Enfermedad , Femenino , Humanos , Modelos Logísticos , Lupus Eritematoso Sistémico/sangre , Periodo Posparto/sangre , Embarazo , Complicaciones del Embarazo/sangre , Primer Trimestre del Embarazo/sangre , Estudios Prospectivos , Factores de Riesgo , Índice de Severidad de la Enfermedad
13.
Arthritis Care Res (Hoboken) ; 72(4): 461-488, 2020 04.
Artículo en Inglés | MEDLINE | ID: mdl-32090466

RESUMEN

OBJECTIVE: To develop an evidence-based guideline on contraception, assisted reproductive technologies (ART), fertility preservation with gonadotoxic therapy, use of menopausal hormone replacement therapy (HRT), pregnancy assessment and management, and medication use in patients with rheumatic and musculoskeletal disease (RMD). METHODS: We conducted a systematic review of evidence relating to contraception, ART, fertility preservation, HRT, pregnancy and lactation, and medication use in RMD populations, using Grading of Recommendations Assessment, Development and Evaluation methodology to rate the quality of evidence and a group consensus process to determine final recommendations and grade their strength (conditional or strong). Good practice statements were agreed upon when indirect evidence was sufficiently compelling that a formal vote was unnecessary. RESULTS: This American College of Rheumatology guideline provides 12 ungraded good practice statements and 131 graded recommendations for reproductive health care in RMD patients. These recommendations are intended to guide care for all patients with RMD, except where indicated as being specific for patients with systemic lupus erythematosus, those positive for antiphospholipid antibody, and/or those positive for anti-Ro/SSA and/or anti-La/SSB antibodies. Recommendations and good practice statements support several guiding principles: use of safe and effective contraception to prevent unplanned pregnancy, pre-pregnancy counseling to encourage conception during periods of disease quiescence and while receiving pregnancy-compatible medications, and ongoing physician-patient discussion with obstetrics/gynecology collaboration for all reproductive health issues, given the overall low level of available evidence that relates specifically to RMD. CONCLUSION: This guideline provides evidence-based recommendations developed and reviewed by panels of experts and RMD patients. Many recommendations are conditional, reflecting a lack of data or low-level data. We intend that this guideline be used to inform a shared decision-making process between patients and their physicians on issues related to reproductive health that incorporates patients' values, preferences, and comorbidities.


Asunto(s)
Anticoncepción/métodos , Preservación de la Fertilidad/métodos , Enfermedades Musculoesqueléticas/fisiopatología , Salud Reproductiva , Enfermedades Reumáticas/fisiopatología , Reumatología/normas , Antirreumáticos/uso terapéutico , Femenino , Humanos , Masculino , Enfermedades Musculoesqueléticas/tratamiento farmacológico , Embarazo , Enfermedades Reumáticas/tratamiento farmacológico , Estados Unidos
14.
Arthritis Rheumatol ; 72(4): 529-556, 2020 04.
Artículo en Inglés | MEDLINE | ID: mdl-32090480

RESUMEN

OBJECTIVE: To develop an evidence-based guideline on contraception, assisted reproductive technologies (ART), fertility preservation with gonadotoxic therapy, use of menopausal hormone replacement therapy (HRT), pregnancy assessment and management, and medication use in patients with rheumatic and musculoskeletal disease (RMD). METHODS: We conducted a systematic review of evidence relating to contraception, ART, fertility preservation, HRT, pregnancy and lactation, and medication use in RMD populations, using Grading of Recommendations Assessment, Development and Evaluation methodology to rate the quality of evidence and a group consensus process to determine final recommendations and grade their strength (conditional or strong). Good practice statements were agreed upon when indirect evidence was sufficiently compelling that a formal vote was unnecessary. RESULTS: This American College of Rheumatology guideline provides 12 ungraded good practice statements and 131 graded recommendations for reproductive health care in RMD patients. These recommendations are intended to guide care for all patients with RMD, except where indicated as being specific for patients with systemic lupus erythematosus, those positive for antiphospholipid antibody, and/or those positive for anti-Ro/SSA and/or anti-La/SSB antibodies. Recommendations and good practice statements support several guiding principles: use of safe and effective contraception to prevent unplanned pregnancy, pre-pregnancy counseling to encourage conception during periods of disease quiescence and while receiving pregnancy-compatible medications, and ongoing physician-patient discussion with obstetrics/gynecology collaboration for all reproductive health issues, given the overall low level of available evidence that relates specifically to RMD. CONCLUSION: This guideline provides evidence-based recommendations developed and reviewed by panels of experts and RMD patients. Many recommendations are conditional, reflecting a lack of data or low-level data. We intend that this guideline be used to inform a shared decision-making process between patients and their physicians on issues related to reproductive health that incorporates patients' values, preferences, and comorbidities.


Asunto(s)
Anticoncepción , Preservación de la Fertilidad , Enfermedades Musculoesqueléticas/tratamiento farmacológico , Enfermedades Reumáticas/tratamiento farmacológico , Manejo de la Enfermedad , Humanos , Salud Reproductiva , Reumatología/normas
15.
Artículo en Inglés | MEDLINE | ID: mdl-31791669

RESUMEN

Assisted reproductive technology (ART) procedures are safe for women with rheumatic autoimmune diseases (rAID) when illness is inactive. Medications incompatible with pregnancy should be replaced with alternative pregnancy-compatible medications months before planned ART procedures to allow time to verify the substitute medication's efficacy and tolerability. Medications compatible with pregnancy should be continued, as should anticoagulation (warfarin changed to low-molecular-weight heparin) before pregnancy begins. Protocols that provide details for specific medications are available. All patients with rAID should be screened for diagnosis-relevant organ system damage, and those intending to carry their own pregnancies must be tested for aPL and anti-Ro/La autoantibodies. Patients with organ damage and/or positive tests for aPL and anti-Ro/La should be counseled about fetal and maternal risks, including implications to the child and family of maternal disability or death. Sperm donors with rAID may need to discontinue medications. REI and physicians treating patients with rAID (usually rheumatologists) must work together to plan and accomplish ART.


Asunto(s)
Técnicas Reproductivas Asistidas , Enfermedades Reumáticas , Autoanticuerpos , Enfermedades Autoinmunes , Niño , Femenino , Humanos , Embarazo
17.
Eur J Rheumatol ; 6(4): 207-211, 2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31657703

RESUMEN

OBJECTIVE: iBook on Antiphospholipid Syndrome (APS) did not exist before our work, and hence the utility of an Apple iBook as a teaching method in APS for medical students has never been assessed. Our objective was to evaluate medical students' improvement of knowledge and satisfaction with an interactive APS iBook, in comparison with conventional teaching methods. METHODS: An iBook designer with the guidance of a medical team developed the APS iBook in both French and English. Second-year medical students, naïve of APS knowledge, were enrolled from two institutions. For the "teaching intervention", participants were randomly assigned to three groups: a) APS iBook with interactive capability; b) printed copy of the APS iBook material; and c) classroom lecture presentation of the APS iBook material by a physician-scientist experienced in APS. The participants filled a standardized medical questionnaire about APS before and after teaching interventions to determine the relative change of knowledge. Participants were asked to fill out a standardized satisfaction survey. After 20 weeks of the intervention, recall capability of students was tested. RESULTS: A total of 233 second-year medical students were enrolled (iBook group: 73; print group: 79, and lecture group: 81). Relative change of knowledge was not different between the iBook group and the printed material group; additionally, it was significantly higher in the lecture group than the two other methods. Satisfaction was significantly higher in both the lecture and the iBook groups than the print group, on several dimensions including overall quantitative satisfaction, subjective enhanced knowledge, interactivity, quality of content, comprehensibility, and pleasure of learning. Recall capability of students (n=109, 47%) was not significantly different among groups. CONCLUSION: The APS iBook is as effective as printed material in improving medical student's knowledge, although a classroom lecture was the most effective method when compared to self-learning methods. Among self-learning methods, medical students are more satisfied with the APS iBook, whereas the recall capability was not different among groups. These results suggest that the APS iBook will help medical students in their curriculum and increase the awareness of APS among the community.

18.
Lupus Sci Med ; 6(1): e000280, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31080630
19.
Arthritis Rheumatol ; 71(2): 177-178, 2019 02.
Artículo en Inglés | MEDLINE | ID: mdl-30346107
20.
Ann Rheum Dis ; 77(4): 549-555, 2018 04.
Artículo en Inglés | MEDLINE | ID: mdl-29371202

RESUMEN

OBJECTIVE: Studies in mouse models implicate complement activation as a causative factor in adverse pregnancy outcomes (APOs). We investigated whether activation of complement early in pregnancy predicts APOs in women with systemic lupus erythematosus (SLE) and/or antiphospholipid (aPL) antibodies. METHODS: The PROMISSE Study enrolled pregnant women with SLE and/or aPL antibodies (n=487) and pregnant healthy controls (n=204) at <12 weeks gestation and evaluated them monthly. APOs were: fetal/neonatal death, preterm delivery <36 weeks because of placental insufficiency or preeclampsia and/or growth restriction <5th percentile. Complement activation products were measured on serial blood samples obtained at each monthly visit. RESULTS: APO occurred in 20.5% of SLE and/or aPL pregnancies. As early as 12-15 weeks, levels of Bb and sC5b-9 were significantly higher in patients with APOs and remained elevated through 31 weeks compared with those with normal outcomes. Moreover, Bb and sC5b-9 were significantly higher in patients with SLE and/or aPL without APOs compared with healthy controls. In logistic regression analyses, Bb and sC5b-9 at 12-15 weeks remained significantly associated with APO (ORadj=1.41 per SD increase; 95% CI 1.06 to 1.89; P=0.019 and ORadj=1.37 per SD increase; 95% CI 1.05 to 1.80; P=0.022, respectively) after controlling for demographic and clinical risk factors for APOs in PROMISSE. When analyses were restricted to patients with aPL (n=161), associations between Bb at 12-15 weeks and APOs became stronger (ORadj=2.01 per SD increase; 95% CI 1.16 to 3.49; P=0.013). CONCLUSION: In pregnant patients with SLE and/or aPL, increased Bb and sC5b-9 detectable early in pregnancy are strongly predictive of APOs and support activation of complement, particularly the alternative pathway, as a contributor to APOs.


Asunto(s)
Anticuerpos Antifosfolípidos/inmunología , Activación de Complemento/inmunología , Lupus Eritematoso Sistémico/inmunología , Complicaciones del Embarazo/inmunología , Resultado del Embarazo , Adulto , Estudios de Casos y Controles , Factor B del Complemento/análisis , Factor B del Complemento/inmunología , Complejo de Ataque a Membrana del Sistema Complemento/análisis , Complejo de Ataque a Membrana del Sistema Complemento/inmunología , Femenino , Humanos , Embarazo
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