Erythrocyte transketolase deficiency in patients suffering from Crohn's disease.

OBJECTIVE:Aim of the study was to assess the possible vitamin B1 deficiency in relation to the exacerbation of Crohn's disease (CD) in adult patients. PATIENTS AND METHODS:Forty-nine Crohn's disease (CD) patients with different disease activity (The Crohn's Disease Activity Index-CDAI) were included in the study. Anthropometrical and biochemical parameters, i.e., high sensitive C-reactive protein, were assessed. The spectrophotometric method was used to measure the transketolase activity (TK) in erythrocytes. The normalized transketolase activity ratio (NTKZ) and the percentage of activation with thiamine pyrophosphate (%TPP) were also evaluated. RESULTS:The mean values of BMI were close to cut-off: 18.5 kg/m2, indicating a poor nutritional status in CD patients. The patients with moderate-to-severe active CD had a statistically significant higher value of CDAI and hsCRP concentrations compared to those being in the asymptomatic remission or at the mildly active stage of the disease. The level of NTKZ and %TPP were statistically different between the analyzed groups, showing the deficit of vitamin B1 in the group of moderate-to-severe active CD patients (Mean ± SD; NTKZ: 1.99 ± 0.87 vs. 1.54 ± 0.62 U/g Hb; % of TPP: 0.15 ± 0.78 vs. 54.90 ± 38.80). CONCLUSIONS:Vitamin B1 deficiency is part of the Crohn's disease manifestation in moderate-to-severe active patients.

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