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rahga

Member Since 30 Nov 2009
Offline Last Active Jan 17 2012 04:36 PM
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Topics I've Started

Strokes And Tia's (Transient Ischemic Attacks)

03 May 2010 - 06:41 AM

New research suggests a link between celiac disease and strokes and TIA's (transient ischemic attacks).

El Moutawakil B; Chourkani N; Sibai M; Moutaouakil F; Rafai M; Bourezgui M; Slassi I
Celiac disease and ischemic stroke, Revue Neurologique [Paris] 2009 Nov; Vol. 165 (11), pp. 962-6.
Neurological manifestations of celiac disease are various. An association with ischemic stroke is not common and has not been well documented. We report two cases. OBSERVATIONS: The first patient had experienced several transient ischemic strokes in the past 2 years and then had an acute ischemic stroke involving the territory of the right posterior cerebral artery. Investigations revealed celiac disease with no other recognizable etiology. The clinical course was marked by persistent visual aftereffects, but no new vascular event. The second patient had been followed since 1998 for celiac disease confirmed by pathology and serology tests. She was on a gluten-free diet. The patient had an ischemic stroke involving the territory of the left middle cerebral artery. Apart from a positive serology for celiac disease and iron deficiency anemia, the etiological work-up was negative. DISCUSSION: The mechanisms of vascular involvement in celiac disease are controversial. The most widely incriminated factor is autoimmune central nervous system vasculitis, in which tissue transglutaminase, the main auto-antigen contributing to maintaining the integrity of endothelium tissue, plays a major role. Other mechanisms are still debated, mainly vitamin deficiency. CONCLUSION: Being a potentially treatable cause of ischemic stroke, celiac disease must be considered as a potential etiology of stroke of unknown cause, particularly in young patients, and even without gastrointestinal manifestations.

Lohi S, Maki M, Rissanen H, Knekt P, Reunanen A, Kaukinen K.
Prognosis of unrecognized coeliac disease as regards mortality: A population-based cohort study.
Ann Med. 2009 Jun 23:1-8.

Background and aim. Clinically diagnosed coeliac disease patients carry an increased risk of mortality. As coeliac disease is markedly underdiagnosed, we aimed to quantify the risk of mortality in subjects with unrecognized and thus untreated coeliac disease. Method. Blood samples from 6,987 Finnish adults were drawn in 1978-80, and sera were tested for immunoglobulin A (IgA)-class tissue transglutaminase antibodies (Eu-tTG) in 2001. Positive sera were further analysed for endomysial (EMA) and tissue transglutaminase antibodies by another test (Celikey tTG). EMA- and Celikey tTG-positive cases were compared to negatives as regards mortality in up to 28 years of surveillance, yielding a total follow-up of 147,646 person years. Dates and causes of death were extracted from the nation-wide database. Results. Altogether 74 (1.1%) of the participants were EMA- and 204 (2.9%) Celikey tTG-positive. The age- and sex-adjusted relative risk of overall mortality was not increased in either EMA (0.78, 95% CI 0.52-1.18) or Celikey tTG (1.19, 95% CI 0.99-1.42) -positive subjects. However, antibody-positive cases evinced a tendency to die from lymphoma, stroke, and diseases of the respiratory system. Conclusions. The prognosis of unrecognized coeliac disease was good as regards overall mortality, which does not support screening of asymptomatic coeliac disease cases.