An evaluation of a modified erythrocyte transketolase assay for assessing thiamine nutritional adequacy.

Boni, L.; Kieckens, L; Hendrikx, Achiel

doi:10.3177/jnsv.26.507

Cited by 29 publications

(12 citation statements)

References 14 publications

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“…Enzymatic methods are affected by preparation of hemolysates (8) and by storage (5,52) and concentrations of substrates and cofactors (35). These factors lead to a notable analytical variation between laboratories.…”

Section: Methodological Issuesmentioning

confidence: 99%

Indicators of Vitamin and Mineral Status in Athletes' Blood: A Review

Fogelholm¹

1995

International Journal of Sport Nutrition

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This review examines the hypothesis that vitamin and mineral status in athletes is inadequate for optimal sports performance. The review is based on indicators determined from blood and on studies published since 1980. Most of the studies did not find micronutrient status in athletes to be different from untrained controls. The serum fenitin concentration in females was lower than in males (27 vs. 78 yg . L-I), and the prevalence of low serum ferritin concentration was higher in female athletes than in untrained female controls (37 vs. 23%). Supplementation of water-soluble vitamins and iron was associated with an improvement in the corresponding indicators. Excluding a few studies with mildly anemic subjects, improvements in indicators of micronutrient status were not associated with enhanced athletic performance. Consequently, the levels of indicators of micronutrient status seen in athletes' blood were apparently compatible with optimal physical performance.

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Section: Methodological Issuesmentioning

confidence: 99%

Indicators of Vitamin and Mineral Status in Athletes' Blood: A Review

Fogelholm¹

1995

International Journal of Sport Nutrition

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“…41 Vitamin B 1 deficiency can be confirmed by assessing the vitamin B 1 pyrophosphate effect in erythrocyte transketolase studies. 43 The clinical constellation coupled with the response to administration of parenteral thiamine, especially with the features of the encephalopathy, may prove sufficiently diagnostic. Additionally, magnetic resonance imaging of the brain may show characteristic abnormalities, in particular, hyperintense signal abnormalities on T2-weighted images in the dorsomedial thalamic nuclei, periaqueductal gray matter, and mammillary bodies.…”

Section: Vitamin B 1 Deficiencymentioning

confidence: 99%

The Neurological Complications of Bariatric Surgery

Berger

2004

Arch Neurol

111

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“…Thiamine deficiency can be confirmed by assessing the thiamine pyrophosphate effect in erythrocyte transketolase studies (Boni et al, 1980). The clinical constellation coupled with the response to parenteral thiamine, especially with the features of the encephalopathy, may prove sufficiently diagnostic.…”

Section: Neurologic Complications Of Bariatric Surgerymentioning

confidence: 99%