The Effects of Enteral Nutritional Support and Inflammation on Plasma Thiamine and Erythrocyte Thiamine Pyrophosphate Concentrations in the Acute Phase of Critical Illness

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dc.contributor.authorOzer, Nurhayat Tugra
dc.contributor.authorGunes Sahin, Gulsah
dc.contributor.authorSahin Ergul, Serap
dc.contributor.authorTemel, Sahin
dc.contributor.authorYuksel, Recep Civan
dc.contributor.authorSungur, Murat
dc.contributor.authorThomas R. Ziegler
dc.contributor.authorGundogan, Kursat
dc.date.accessioned2025-07-31T12:37:58Z
dc.date.available2025-07-31T12:37:58Z
dc.date.issued2025
dc.departmentKapadokya Üniversitesi, Sağlık Bilimleri Yüksekokulu, Beslenme ve Diyetetik Bölümü
dc.description.abstractObjective: Plasma thiamine concentrations are decreased with inflammation, but approximately 90% of thiamine is within erythrocytes. We evaluated the effect of enteral nutritional therapy and inflammation on plasma thiamine and erythrocyte thiamine pyrophosphate (eTPP) concentrations, respectively, in critically ill patients. Materials and Methods: Blood samples were obtained from participants within the first 24-h of ICU admission, and the second sample was obtained on the discharge day in participants with ICU stay <7 days or on the 7th ICU Day in participants with ICU stay>7 days. Plasma thiamine and eTPP levels were analyzed by high-pressure liquid chromatography (HPLC). Serum C-reactive protein (CRP) concentrations were determined by turbidimetric analysis. Results: Fifty participants, 57% male, were included, and the median age was 68.0 (range: 52.5– 75.5) years. The mean plasma thiamine concentration was 13.6±5.22 nmol/L at the first time point, 15.2±5.06 nmol/L at the second time point (reference range: 8–30 nmol/L). The median eTPP value was 621 (range: 407–922) ng/gHb at the first time point and 588 (range: 338–889) ng/g Hb at the second time point (reference range: 275–675 ng/gHb). Plasma thiamine and eTPP concentrations were significantly lower in orally fed participants versus those receiving enteral tube feeding (p<0.05 for both study time points). Multiple linear regression revealed that plasma thiamine and serum CRP levels significantly predicted eTPP value (F=3.623, p=0.020, R2=0.78). Conclusion: Participants receiving enteral tube feeding had higher plasma thiamine and eTPP concentrations than those who received an oral diet alone. eTPP concentrations can be predicted by plasma thiamine coupled with serum CRP levels. Keywords: Critical illness, enteral nutrition, erythrocyte thiamine pyrophosphate, inflammation, plasma thiamine.
dc.identifier.urihttps://hdl.handle.net/20.500.12695/3727
dc.institutionauthorGunes Sahin, Gulsah
dc.language.isoen
dc.relation.ispartofJournal of Clinical Practice and Research
dc.relation.publicationcategoryMakale - Uluslararası - Editör Denetimli Dergi
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleThe Effects of Enteral Nutritional Support and Inflammation on Plasma Thiamine and Erythrocyte Thiamine Pyrophosphate Concentrations in the Acute Phase of Critical Illness
dc.typeArticle

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