| Literatürler Hematoloji Uzmanlık Derneği
Literatür Detay Bilgisi
Meta-analysis: hyperhomocysteinaemia in inflammatory bowel diseases.

Yazarlar : Oussalah A, Guéant JL, Peyrin-Biroulet L.

Yayın : Aliment Pharmacol Ther.

Yayın Yılı : 2011

Pubmed Linki : http://www.ncbi.nlm.nih.gov/pubmed/21967576

Konu : Tromboz

Literatür İçeriği :  

Abstract

Background  The magnitude of association between homocysteine metabolism and inflammatory bowel diseases (IBD) remains unknown, whereas the association between hyperhomocysteinaemia and thrombosis remains controversial in IBD. Aim  To conduct a systematic review and meta-analysis to examine these issues. Methods  The literature search was conducted using MEDLINE database and international conference abstracts from January 1966 to April 2011 and included all studies that evaluated plasma homocysteine level in IBD. Results  Twenty-eight studies evaluated the plasma homocysteine level and/or hyperhomocysteinaemia risk in IBD patients. Five studies assessed the association of hyperhomocysteinaemia with thrombosis. The mean plasma homocysteine level was significantly higher in IBD patients when compared with controls (weighted mean difference (WMD) = 3.75 μmol/L; 95% CI, 2.23-5.26 μmol/L; P < 0.0001; reference ranges for plasma homocysteine level: 5-12 μmol/L). The mean plasma homocysteine level did not differ between ulcerative colitis (UC) and Crohn's disease (CD) (WMD = 0.41 μmol/L; 95% CI, -2.45 to 3.06 μmol/L; P = 0.76). The risk of hyperhomocysteinaemia was significantly higher in IBD patients when compared with controls [odds ratio (OR) = 4.65; 95% CI, 3.04-7.09; P < 0.0001]. The risk of hyperhomocysteinaemia was not higher among IBD patients who experienced thromboembolic complications (OR = 1.97; 95% CI, 0.83-4.67; P = 0.12). Plasma folate level was inversely correlated with IBD risk associated with MTHFR C677T polymorphism (P = 0.006). Conclusions  The risk of hyperhomocysteinaemia is significantly higher in IBD patients when compared with controls. The risk assessment of hyperhomocysteinaemia-related thrombosis in IBD requires further investigation. Deficient folate status is associated with a higher impact of MTHFR C677T polymorphism on IBD risk.


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