Lupus Nephritis Outcomes after Stopping Immunosuppression

Background/Objectives: Immunosuppression (IS) is a standard therapy for lupus nephritis (LN). Data on the outcomes of patients with LN after the discontinuation of immunosuppression remain uncertain. This study aimed to evaluate the outcomes and results of patients with lupus nephritis (LN) who ceased immunosuppressive (IS) therapy. Methods: Records were obtained on the clinical and laboratory features of LN patients who were treated at our Lupus Unit. They included median values and ranges for various numerical variables such as patient age, disease duration, and treatment duration. Categorical variables such as gender, LN class, IS treatment type, and patient outcomes, which were categorized as either "stable" or "flare experienced", were presented as percentages and frequencies. A flare in LN was characterized by a two-fold increase in serum creatinine levels and a rise in proteinuria following the cessation of IS medication. Results: Outcomes were assessed for 45 patients with LN who ceased IS therapy after achieving remission. The patients' median age was 55 years (29-78). The median duration of treatment was 4 years (0.5-14). The LN histology distribution was class V = 24.4%, class IV = 17.8 %, class III = 17.8%, class III + IV = 15.6%, class III + V = 6.7%, class IV + V = 2.2%, and class II + IV and II = 2.2%. At the discontinuation of IS treatment, creatinine levels were elevated in 9/45 (20%) patients. Furthermore, 28.9% of patients relapsed after IS treatment discontinuation. Patients with anti-Smith antibodies (anti-Sm) were observed to have a higher occurrence of relapses, with six patients experiencing flare compared to four patients who remained stable (p = 0.03). Five (38.5%) of the patients with flares had high creatinine levels after IS discontinuation. Conclusions: Most of our patients maintained clinical remission and stable levels of LN parameters after IS treatment discontinuation. Those with a high serum creatinine level, ongoing proteinuria, depleted complement levels, and the presence of anti-Sm antibodies were more likely to experience flares after the discontinuation of IS therapy.

Obstetric medicine care in South Europe

Obstetric medicine is an emerging area of interest within Internal Medicine in Europe. Despite that, "OM" is still an unpopular concept and an unrecognised subspecialty in South Europe. A considerable number of internists and medical specialists deal with maternal medical problems in association with obstetricians and other specialists on a daily basis. Due to their interest and mostly part-time dedication to maternal care, a growing mass of physicians are getting specific training in the field either locally or, less frequently, abroad, and are also building specific clinics, inpatient care services and other new bonds with obstetricians in numerous tertiary care centres. In this article, we aim to describe the state of the growing field of obstetric medicine in Portugal, Italy, France and Spain, the particular clinical, educational and academic efforts and steps that have recently been developed by internists in each country, as well as planned initiatives for the future.

Closing the Serological Gap in the Antiphospholipid Syndrome: The Value of "Non-criteria" Antiphospholipid Antibodies

OBJECTIVE

Most clinicians use the 2006 Sydney classification criteria to evaluate patients suspected of having antiphospholipid syndrome (APS). Although sensitive and specific for APS, many patients fulfilling clinical criteria for the syndrome are persistently negative for the specific serological tests ("laboratory criteria"). These "seronegative APS" (SN-APS) patients can go undiagnosed and untreated until they experience serious clinical events. This study's objective was to describe antibody profiles of SN-APS patients using non-criteria markers, assess the clinical utility of these markers separately and in combination, and suggest incorporation into guidelines for patients suspected of APS.

METHODS

We categorized 175 consecutive patients suspected of APS into 2 subgroups: 107 fulfilling Sydney APS classification for seropositive APS (SP-APS) and 68 with clinical manifestations suggestive of APS but having negative serology, on 2 occasions, for criteria markers (SN-APS). On study inclusion, samples were retested for criteria and 11 non-criteria markers, including antiphosphatidylserine/prothrombin antibodies.

RESULTS

Using 4 of 11 non-criteria tests, a cumulative 30.9% of SN-APS patients were detected. Combining results of all 11 non-criteria tests, 25 SN-APS (36.8%) and 89 SP-APS (83.2%) were positive for 1 or more non-criteria antibodies.

CONCLUSION

Failure to diagnose APS can result in severe clinical consequences. Patients displaying clinical features of APS, but negative for conventional criteria markers, should undergo additional testing for non-criteria biomarkers. In our cohort, around one-third of SN-APS patients showed reactivity to 1 or more non-criteria markers. An update to the current classification criteria incorporating new serological markers should be considered to identify and stratify patients with APS for more effective treatment and management.

Autoantibodies to domain 1 of beta 2 glycoprotein I determined using a novel chemiluminescence immunoassay demonstrate association with thrombosis in patients with antiphospholipid syndrome

INTRODUCTION

Antibodies to the domain 1 of beta 2 glycoprotein I (β2GPI-D1) have been suggested as a risk marker for thrombosis in patients with the antiphospholipid syndrome (APS). This cross-sectional study aimed to analyze the clinical utility of a novel chemiluminescence assay for the detection of anti-β2GPI-D1 antibodies.

PATIENTS AND METHODS

Sera collected from patients with primary or secondary APS (n = 106; 72 with and 34 without history of thrombosis) and controls (n = 272) were tested for anti-β2GPI-D1 IgG by chemiluminescence assay (QUANTA Flash) and by two anti-β2GPI IgG assays (QUANTA Lite and QUANTA Flash β2GPI IgG).

RESULTS

Anti-β2GPI-D1 IgG titers were significantly higher in patients with thrombosis (P = 0.0032) than those without. At the cut-off of 20 units, which yielded a 99.5% specificity, 24 of 72 (34.9%) patients with thrombosis and four of 34 (11.8%) without thrombosis were anti-β2GPI-D1 IgG positive (odds ratio, OR = 4.0). By further optimizing the cut-off specifically for correlation with thrombosis, 20.8% of the patients with thrombosis and 2.9% of the patients without thrombosis were positive (OR = 8.7). The ORs were significantly lower for antibodies to the full-length β2GPI by either the chemiluminescence assay or ELISA. Using the anti-β2GPI chemiluminescence assay, the OR was 2.3 (recommended cut-off of 20 CU) or 4.1 (optimal cut-off 164.6 CU). Using the anti-β2GPI ELISA, the OR was 2.7 (recommended cut-off of 20 units) or 3.7 (optimal cut-off 7.6 units).

CONCLUSION

These data indicate that anti-β2GPI-D1 IgG are present more frequently and in higher titers in APS patients with thrombotic complications than in those without.The novel β2GPI-D1 chemiluminescence assay appears to be superior to full-length β2GPI assays for the risk assessment of thrombotic events in APS patients.

Developing obstetric medicine training in Latin America

Maternal mortality is an important indicator of health in populations around the world. The distribution of maternal mortality ratio globally shows that middle- and low-income countries have ∼99% of the mortality burden. Most countries of Latin America are considered to be middle- or low-income countries, as well as areas of major inequities among the different social classes. Medical problems in pregnancy remain an important cause of morbidity and mortality in this region. Previous data indicate the need for a call to action for adequate diagnosis and care of medical diseases in obstetric care. The impact of nonobstetric and medical pathologies on maternal mortality in Latin America is largely unknown. In Latin America, two educational initiatives have been proposed to improve skills in maternity care. The Advanced Life Support in Obstetrics (ALSO®) was first started to address obstetric emergencies, and subsequently adapted for low-middle-income country settings as the Global ALSO®. In parallel, the Latin American obstetric anesthesia community has progressively focused on improvement of several intrapartum/intraoperative issues, which has secondarily taken them to embrace the obstetric medicine area on interest and join the former initiatives. In the present review, we summarize the available data regarding medical morbidity and mortality in pregnancy in Latin America, as well as the challenges, achievements, issues, initiatives, and future directions encouraging maternal health educators, health care trainers, and physicians in middle- and low-income countries, such as many Latin American ones, to improve and/or change attitudes, if needed, on current clinical practice.

Global obstetric medicine: Collaborating towards global progress in maternal health

Globally, the nature of maternal mortality and morbidity is shifting from direct obstetric causes to an increasing proportion of indirect causes due to chronic conditions and ageing of the maternal population. Obstetric medicine can address an important gap in the care of women by broadening its scope to include colleagues, communities and countries that do not yet have established obstetric medicine training, education and resources. We present the concept of global obstetric medicine by highlighting three low- and middle-income country experiences as well as an example of successful collaboration. The article also discusses ideas and initiatives to build future partnerships within the global obstetric medicine community.

The challenge of pregnancy for patients with SLE

Pregnancy poses an important challenge for doctors looking after women with systemic lupus erythematosus. Knowledge about safety of medications, the effect of pregnancy on such disease, and vice versa, together with multidisciplinary team care, are basic cornerstones needed to provide the best obstetric and medical care to these women. Pre-conceptional counselling constitutes the ideal scenario where a patient's previous obstetric history, organ damage, disease activity, serological profile and additional medical history can be summarized. Important issues regarding medication adjustment, planned scans and visits, and main risks discussion should also be raised at this stage. Planned pregnancies lead to better outcomes for both mothers and babies. Close surveillance throughout pregnancy and the puerperium, and tailored management approach guarantee the highest rates of successful pregnancies in these women.

The cost of care of systemic lupus erythematosus (SLE) in the UK: annual direct costs for adult SLE patients with active autoantibody-positive disease

Objectives

The aim of the Systemic LUpus Erythematosus Cost of Care In Europe (LUCIE) study was to evaluate the annual direct medical costs of managing adults with active autoantibody-positive disease on medication for SLE in secondary care. This paper presents the UK analyses only.

Methods

A cost-of-illness study was conducted from the perspective of the National Health Service. Health resource utilization data were retrieved over a two-year period from four centres in England and unit cost data were taken from published sources.

Results

At baseline, 86 patients were included, 38 (44.2%) had severe SLE and 48 (55.8%) had non-severe SLE. The mean (SD) SELENA-SLEDAI score was 7.7 (5.7). The mean (SD) annual direct medical cost of was estimated at £3231 (£2333) per patient and was 2.2 times higher in patients with severe SLE compared with patients with non-severe SLE ( p < 0.001). Multivariate model analyses showed that renal disease involvement ( p = 0.0016) and severe flares ( p = 0.0001) were associated with higher annual direct costs.

Conclusions

Improvement of the overall stability of SLE and early intervention to minimize the impact of renal disease may be two approaches to mitigate the long-term direct cost of managing SLE patients in the UK.

Connective tissue disease in pregnancy

Connective tissue diseases (CTD) include a variety of chronic multisystem disorders with a high percentage of autoimmune conditions. Many of these conditions affect women of childbearing age and, therefore, pregnancy poses an important challenge for doctors looking after such women. Knowledge of medication safety, the effect of pregnancy on such diseases and vice versa, together with preconception counselling and multidisciplinary team care, are the basic pillars needed to provide the best obstetric and medical care to these women. In this review, we discuss the management of the most common autoimmune CTD before, during and after pregnancy, along with the most relevant issues regarding appropriate medication.

Cardiac valve replacement in patients with antiphospholipid syndrome

OBJECTIVE

To analyze the results of cardiac valve replacement in a multicenter cohort of patients with antiphospholipid syndrome (APS) and to identify prognostic factors of poor outcome.

METHODS

We performed a retrospective analysis of clinical manifestations (cardiac involvement and APS characteristics), operative and early postoperative courses, and long-term followup. All of the patients fulfilled the Sapporo criteria for APS. Logistic regression analyses were performed to identify those variables associated with adverse outcomes.

RESULTS

Between 1981 and 2008, 33 valvular replacements were carried out in 32 patients with APS. The mean ± SD age at the time of surgery was 43.09 ± 14.08 years. Thirty patients were women. Primary APS was present in 21 patients. The median followup time after surgery was 33.5 months (range 0-192 months). The mitral valve was the most frequently replaced (22 of 33). Mechanical valve replacement was performed in 23 patients (71.9%). The mortality rate was 12.5% (1 cardiogenic shock, 1 septic shock, 1 following renal transplantation, and 1 hemorrhagic stroke). Fourteen patients experienced 20 complications (8 major bleeding, 5 thrombotic events, 2 valvular deteriorations, 2 third-degree atrioventricular block, 1 endocarditis, 1 cardiac tamponade, and 1 cardiac failure). Fifty percent of the patients had an uneventful outcome.

CONCLUSION

Morbidity and mortality were high in APS patients undergoing valve replacement surgery. Most complications were related to thrombosis and bleeding. Anticoagulation must be carefully monitored to prevent hemorrhagic and thrombotic complications.

Efficacy and safety of long-term low molecular weight heparin in patients with antiphospholipid syndrome

OBJECTIVE

Evaluation of the effectiveness and safety of long-term low molecular weight heparin (LMWH) in patients with antiphospholipid syndrome (APS) that had not previously responded to or tolerated oral vitamin K antagonists.

METHODS

23 patients with confirmed diagnosis of APS were retrospectively recruited. All patients were receiving LMWH as a result of intolerance and/or lack of response to warfarin therapy. The type of LMWH, the duration of treatment, the reason for switching to LMWH and the adverse effects were recorded. Outcomes were classified as no improvement, partial improvement or total improvement after at least 1 year of using LMWH.

RESULTS

The average duration of LMWH treatment was 36 months. Most of the patients were on treatment with enoxaparin (n=16, 69%) and were switched to LMWH from warfarin mainly because of thrombosis despite therapeutic international normalised ratio (n=9, 39%). Good quality of life with no evidence of recurrent thrombotic events was noted in nine patients (39%), whereas 11 (48%) showed partial clinical improvement but no evidence of recurrent thrombotic episodes. Osteoporosis was reported in five patients (23%), all of whom were also receiving treatment with corticosteroids.

CONCLUSIONS

Long-term LMWH may be a safe and effective alternative to warfarin for APS patients.