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Agarwal et al.                                                                                                                                                                                                   CVT in UC relapse

           for MTHFR mutation. Furthermore, he was also found   vein thrombosis is  clinically suspected, so that  the
           to  have  serum  homocysteine  level  of  20.5  μmol/L.   early diagnosis  is not missed. MRI  and MRV  are
           His levels of anti-nuclear antibody,  anti-double   considered the best tools for diagnosis and follow-up.
           strand deoxyribonucleic  acid, lupus anticoagulants,   The anticoagulation therapy for patients with CVT is
           antiphospholipid antibodies, anticardiolipin antibodies,   similar in both with active and chronic UC,  and has
           and anticyclic citrullinated peptides were negative.  been associated with lower incidence  of mortality,  if
                                                              started at appropriate time.
           The  patient  clinically  improved  in  a  period  of  five  to
           seven days with the treatment.  His symptoms had   In  patients with cerebral  venous thrombosis,
           gradually subsided. He was then discharged.        favourable results are possible with earlier diagnosis
                                                              and appropriate treatment plan. If  patients remain
           DISCUSSION                                         untreated, the mortality rate can be very high.
                                                              Therefore, the present report highlights  the value of
           Extensive thrombosis of venous sinuses is a serious   considering the diagnosis of CVT, in patients with IBD,
           complication  of ulcerative  colitis. Venous  thrombosis   especially when the disease is in its relapse phase.
           is known to  occur with a greater frequency than
           general  population in patients with ulcerative colitis.   In conclusion, it is necessary to suspect CVT in a patient
           Incidence of thrombosis is about 6.5% in patients with   with relapse of UC, who presents with recent, unusual
           active IBD.  The relationship between thrombosis and   severe headache,  stroke like features, seizures, or
                     [4]
           UC  has  not  been  well  defined.  But  recent  evidence   any other brain syndrome. The physician, neurologist
           suggests that UC is an important factor for thrombotic   or the gastroenterologist should be well aware of the
           complications.   The exact cause for the increased   increased risk of CVT in patients with relapse of UC.
                        [7]
           rate of thrombotic events in patients with IBD is still   The gastroenterologists  treating  UC should  be wise
           uncertain. However,  it  is most  likely related to  the   enough to  suspect  CVT,  especially in genetically
           interaction between acquired and inherited  genetic   predisposed and immediately  seek a  neurologist’s
           risk factors. Also, the recent research has suggested   opinion  for proper management.  Also, it  would be
           it to be an interaction  between  the coagulation   useful to investigate for genetic hypercoaguable state
           cascade in the body and cytokine mediators of chronic   in patients of UC, in order to find out the at-risk group
           inflammation and  also  the  inflammatory  process  can   of UC patients.

           itself activate coagulation cascade.  The inflammatory
                                          [8]
           process initiates clotting, impairs the fibrinolytic system   Financial support and sponsorship
           and  decreases the activity of natural  anticoagulation   Nil.
           mechanisms. Depression of anticoagulation mechanisms
           not only increases thrombosis,  but also  potentiates   Conflicts of interest
           the  inflammatory  process.  That  is  why,  the  majority   There are no conflicts of interest.
           of  thrombotic events occur during the active phase   Patient consent
           of disease.  Abnormalities  in coagulation  cascade
           such as elevated fibrinogen level, factor V, factor VIII,   Patient consent was obtained from the patient.
           and increase in circulating  thrombin-antithrombin   Ethics approval
           complexes, decreased antithrombin III, thrombocytosis   Ethics approval was obtained  prior to the
           and increased  platelet aggregation  have been     commencement of the study.
           documented.   However,  there  is  no  significant
                       [9]
           evidence to associate hematological and coagulation   REFERENCES
           abnormalities  with CVT. Grainge  et al.  analyzed
                                                [10]
           13,756 patients  with IBD  and 71,672 matched      1.   Stam J. Thrombosis of the cerebral veins and sinuses. N Engl J Med
           controls, and found that 139 patients and 165 controls   2005;352:1791-8.
           developed venous thromboembolism. Overall, patients   2.   Scheid  R, Teich  N.  Neurologic  manifestations  of  ulcerative  colitis.
           with IBD had a 3.4 times higher risk of developing    Eur J Neurol 2007;14:483-93.
           venous thromboembolism than did controls, with risk   3.   Umit H, Asil T, Celik Y, Tezel A, Dokmeci G, Tuncbilek N, Utku U,
           increasing up to 8.4 times during a flare-up of IBD. Our   Soylu AR. Cerebral sinus thrombosis in patients with inflammatory
           patient presented with cerebral venous thrombosis,   4.   bowel disease: a case report. World J Gastroenterol 2005;11:5404-7.
                                                                 Twig G, Zandman-Goddard G, Szyper-Kravitz M, Shoenfeld Y. Systemic
           associated with relapse of UC.                        thromboembolism  in  inflammatory  bowel  disease:  mechanisms  and
                                                                 clinical applications. Ann N Y Acad Sci 2005;1051:166-73.
           MRI brain and a magnetic resonance  venography     5.   Bousser  MG,  Ferro  JM.  Cerebral  venous  thrombosis:  an  update.
           (MRV) should  be done immediately, once cerebral      Lancet Neurol 2007;6:162-70.
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