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Thiamine deficiency

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https://www.readbyqxmd.com/read/29314108/high-dose-biotin-in-infants-mimics-biochemical-hyperthyroidism-with-some-commercial-assays
#1
Ved Bhushan Arya, Michal Ajzensztejn, Gayle Appleby, Sue Oddy, David Halsall, Krishna Chatterjee, Carla Moran, Tony Hulse
Biotin is a water-soluble B-complex vitamin, which is an essential coenzyme for four carboxylases enzymes involved in intermediary metabolism. Although the recommended daily intake (RDI) is 30 micrograms, doses as high as 100 times the RDI are widely used for dietary supplementation, therapy of several inherited metabolic diseases (biotin-thiamine responsive basal ganglia disease and biotinidase deficiency) and supportive treatment in patients with disorders of mitochondrial energy metabolism. This article is protected by copyright...
January 5, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29286589/are-psychiatric-inpatients-at-risk-of-developing-wernicke-s-encephalopathy-being-identified-and-adequately-treated
#2
Medhat Guirguis, Stephen Manning, Marina Chavez, Jessica Nelson, Regina Baronia, Sailatha Bobba, Jafreen Ahmed, Ijeoma Ajufo
Objective: Wernicke's encephalopathy is caused by thiamine deficiency and occurs predominantly in alcohol-dependent individuals but also develops in those who are malnourished due to other reasons including medical and psychiatric disorders. This study examined the frequency rate and management of Wernicke's encephalopathy in alcohol-dependent and non-alcohol-dependent patients admitted to a psychiatric hospital. Methods: Data were retrospectively collected from electronic medical records of psychiatric inpatients admitted to a teaching hospital located in Texas between September 2013 and March 2014...
December 28, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/29277168/subclinical-thiamine-deficiency-in-patients-with-abdominal-cancer
#3
Hideki Onishi, Mayumi Ishida, Iori Tanahashi, Takao Takahashi, Yoshitada Taji, Kenji Ikebuchi, Daisuke Furuya, Tatsuo Akechi
OBJECTIVE: Thiamine is an essential coenzyme for oxidative metabolisms; however, it is not synthesized in the human body, and the average thiamine storage capacity is approximately 18 days. Therefore, thiamine deficiency (TD) can occur in any condition of unbalanced nutrition. If TD is left untreated, it causes the neuropsychiatric disorder Wernicke encephalopathy (WE). Although WE is a medical emergency, it is sometimes overlooked because most patients with WE do not exhibit all of the typical symptoms, including delirium, ataxia, and ophthalmoplegia...
December 26, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/29260066/acute-up-beating-nystagmus-in-a-pregnant-woman-with-hyperemesis-gravidarum
#4
Kenzo Hokazono, Francisco Geminiani, Debora Bertholdo
Purpose: To describe a case of sudden onset of nystagmus in a pregnant patient with hyperemesis gravidarum. Observations: Sixteen days after onset of persistent nausea and uncontrollable vomiting, a 12 week pregnant woman presented up-beating nystagmus, mild memory impairment and reduced sensitivity in the lower limbs. Laboratory tests presented thiamine deficiency and magnetic resonance imaging showed bilateral medial thalami and midbrain lesions. Because of suspected Wernicke's encephalopathy, the patient was treated with thiamine replacement and significant improvement of symptoms took place...
June 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29248026/prevalence-of-food-neophobia-in-pre-school-children-from-southern-poland-and-its-association-with-eating-habits-dietary-intake-and-anthropometric-parameters-a-cross-sectional-study
#5
Agnieszka Kozioł-Kozakowska, Beata Piórecka, Małgorzata Schlegel-Zawadzka
OBJECTIVES: The present study aimed to assess the prevalence of food neophobia in pre-school children and its association with eating habits, dietary intake and anthropometric parameters. DESIGN: Cross-sectional survey performed in 2012-2013. The Child Food Neophobia Scale (CFNS) adapted by Wardle, Carnell and Cooke was used to assess the level of food neophobia. Dietary intake was measured using an FFQ and dietary records from three days. Anthropometric measurements were taken to determine children's nutritional status and BMI was computed based on Polish growth charts...
December 18, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/29243370/neurological-nutritional-and-alcohol-consumption-factors-underlie-cognitive-and-motor-deficits-in-chronic-alcoholism
#6
Rosemary Fama, Anne-Pascale Le Berre, Cheshire Hardcastle, Stephanie A Sassoon, Adolf Pfefferbaum, Edith V Sullivan, Natalie M Zahr
Variations in pattern and extent of cognitive and motor impairment occur in alcoholism (ALC). Causes of such heterogeneity are elusive and inconsistently accounted for by demographic or alcohol consumption differences. We examined neurological and nutritional factors as possible contributors to heterogeneity in impairment. Participants with ALC (n = 96) and a normal comparison group (n = 41) were examined on six cognitive and motor domains. Signs of historically determined subclinical Wernicke's encephalopathy were detected using the Caine et al...
December 15, 2017: Addiction Biology
https://www.readbyqxmd.com/read/29225466/korsakoff-s-syndrome-a-critical-review
#7
REVIEW
Nicolaas Jm Arts, Serge Jw Walvoort, Roy Pc Kessels
In this review, we present a survey on Korsakoff's syndrome (KS), a residual syndrome in patients who suffered from a Wernicke encephalopathy (WE) that is predominantly characterized by global amnesia, and in more severe cases also by cognitive and behavioral dysfunction. We describe the history of KS and its definition, its epidemiology, and the lack of consensus criteria for its diagnosis. The cognitive and behavioral symptoms of KS, which include anterograde and retrograde amnesia, executive dysfunction, confabulation, apathy, as well as affective and social-cognitive impairments, are discussed...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29204204/thiamine-responsive-pyruvate-dehydrogenase-complex-deficiency-a-potentially-treatable-cause-of-leigh-s-disease
#8
Prashant Jauhari, Naveen Sankhyan, Sameer Vyas, Pratibha Singhi
Pyruvate dehydrogenase complex (PDHC) deficiency is a rare metabolic disorder that affects tissues with high energy demand such as the central nervous system. The clinico-radiological phenotype of Leigh's disease is one of its common presentations. We present a 9-month-old boy with rapidly progressive infantile Leigh's disease. PDHA1 gene sequencing revealed a pathological homozygous missense mutation c.131A>G or p.H44R in exon 3 consistent with PDHC deficiency. H44R is among the five mutations (H44R, R88S, G89S, R263G, and V389fs) in E1α subunit that is thiamine-responsive...
July 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29188542/wet-beriberi-associated-with-hikikomori-syndrome
#9
Natsumi Tanabe, Eiji Hiraoka, Jun Kataoka, Takaki Naito, Ko Matsumoto, Junya Arai, Yasuhiro Norisue
Wet beriberi, characterized by high cardiac output with predominantly right-sided heart failure and lactic acidosis, is a disease caused by thiamine deficiency, and is rarely seen in modern society. However, patients with social withdrawal syndrome, also known as hikikomori syndrome, may be a new population at risk of thiamine deficiency. Hikikomori syndrome, first recognized in Japan, is becoming a worldwide issue. A 39-year-old Japanese patient was brought to our hospital, with a 3-week history of progressive shortness of breath and generalized edema...
November 29, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29153143/moradi-h-said-hm-functional-thiamine-deficiency-in-end-stage-renal-disease-malnutrition-despite-ample-nutrients-kidney-int-2016-90-252-254
#10
(no author information available yet)
No abstract text is available yet for this article.
December 2017: Kidney International
https://www.readbyqxmd.com/read/29152237/analysis-of-recipes-of-home-prepared-diets-for-dogs-and-cats-published-in-portuguese
#11
Vivian Pedrinelli, Márcia de O S Gomes, Aulus C Carciofi
The present study evaluated recipes of home-prepared diets for dogs and cats published in Portuguese. A total of 106 diets were evaluated: eighty for dogs, twenty-four for cats and two intended for both species. A commercial software package was used to analyse the diets, and an ingredient chemical composition database was built based on the Brazilian Tables of Food Composition and United States Department of Agriculture Nutrient Database. The estimated chemical composition of each recipe was compared with the Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs (Fédération Européenne de L'industrie des Aliments Pour Animaux Familiers; FEDIAF, 2014) recommendations for maintenance (as units/MJ)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29143209/the-medial-vestibular-nuclei-a-vulnerable-target-in-thiamine-deficiency
#12
Jorge C Kattah, Cindy Guede, Bahareh Hassanzadeh
BACKGROUND: Bilateral medial vestibular nuclei (MVN) is a common target in thiamine depletion and results in acute vestibular failure. Involvement of the MVN was present in 27 out of 38 brainstem sections reported in the largest thiamine deficiency autopsy cohort with Wernicke's encephalopathy. METHOD: Serial clinical, imaging and vestibulo-ocular reflex gain measured with the video head impulse (vHIT) in one patient with acute thiamine deficiency. RESULTS: Low horizontal VOR gain correlated with an abnormal manual head impulse and with MRI evidence of MVN in an alcohol-dependent patient with low thiamine levels...
November 15, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29142756/usefulness-of-central-venous-saturation-as-a-predictor-of-thiamine-deficiency-in-critically-ill-patients-a-case-report
#13
Genri Numata, Satoshi Kodera, Hiroyuki Kiriyama, Atsuko Nakayama, Eisuke Amiya, Arihiro Kiyosue, Masaru Hatano, Eiki Takimoto, Masafumi Watanabe, Issei Komuro
Background: Central venous oxygen saturation (ScvO2) reflects the balance of oxygen delivery and consumption. Low ScvO2 indicates the presence of inadequate oxygen delivery, while high ScvO2 indicates reduced oxygen consumption and is sometimes associated with a high mortality rate in critically ill patients from dysoxia. Thiamine is an essential cofactor in cellular aerobic metabolism. Thiamine deficiency is more prevalent than was previously thought, and underlies severe conditions in critically ill patients...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/29138746/a-novel-encephalopathy-in-a-thiamine-deficient-dog-resembling-human-wernicke-s-disease-with-atypical-mri-pattern
#14
Floriana Gernone, Mario Ricciardi
Thiamine is a water-soluble vitamin, which participates in several vital metabolic pathways involved in energy metabolism and neurotransmitter synthesis of mammals. In companion animals thiamine deficiency is classically associated with signs of diffuse encephalopathy and lesions on brainstem nuclei and mesencephalic colliculi evident on magnetic resonance imaging. This paper describes a novel clinical presentation in a thiamine-deficient dog showing multifocal, central and peripheral nervous and cardiovascular system alterations...
2017: Open Veterinary Journal
https://www.readbyqxmd.com/read/29128903/impairment-of-thiamine-transport-at-the-gut-bbb-axis-contributes-to-wernicke-s-encephalopathy
#15
P M Abdul-Muneer, Saleena Alikunju, Heather Schuetz, Adam M Szlachetka, Xiaotang Ma, James Haorah
Wernicke's encephalopathy, a common neurological disease, is caused by thiamine (vitamin B1) deficiency. Neuropathy resulting from thiamine deficiency is a hallmark of Wernicke-Korsakoff syndrome in chronic alcohol users. The underlying mechanisms of this deficiency and progression of neuropathy remain to be understood. To uncover the unknown mechanisms of thiamine deficiency in alcohol abuse, we used chronic alcohol consumption or thiamine deficiency diet ingestion in animal models. Observations from animal models were validated in primary human neuronal culture for neurodegenerative process...
November 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29128624/wernicke-korsakoff-syndrome-complicated-by-subacute-beriberi-neuropathy-in-an-alcoholic-patient
#16
Salvatore Di Marco, Laura Pilati, Filippo Brighina, Brigida Fierro, Giuseppe Cosentino
Thiamine (vitamin B1) deficiency is a common condition in alcohol abusers, which can lead to damage of both the peripheral and the central nervous systems. Here we describe the case of an alcoholic patient who presented with acute onset of ataxia, severe weakness of the four limbs, and hypoesthesia and dysesthesia of the distal portion of the upper and lower extremities. The clinical picture also included mental confusion and amnesia. A diagnosis of Wernicke-Korsakoff syndrome was made based on clinical symptoms and brain RMI findings...
November 8, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29119026/thiamine-deficiency-leading-to-refractory-lactic-acidosis-in-a-pediatric-patient
#17
Alicia M Teagarden, Brian D Leland, Courtney M Rowan, Riad Lutfi
Thiamine plays a critical role in energy metabolism. Critically ill children and adults may develop thiamine deficiency with ultimately increased mortality due to potentially irreversible consequences of severe type B lactic acidosis. We report a case of an unvaccinated term neonate with malignant pertussis requiring extracorporeal membrane oxygenation and continuous renal replacement therapy, who developed profound lactic acidosis of unknown etiology. After countless evaluations for likely causes, the patient was ultimately determined to have thiamine deficiency and her acidosis resolved rapidly with vitamin supplementation...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29094796/severely-inadequate-micronutrient-intake-among-children-9-24%C3%A2-months-in-nepal-the-mal-ed-birth-cohort-study
#18
Marianne S Morseth, Liv Elin Torheim, Ram K Chandyo, Manjeswori Ulak, Sanjaya K Shrestha, Binob Shrestha, Are Hugo Pripp, Sigrun Henjum
Prevalence of micronutrient deficiencies is high among infants and children in low- and middle income countries, but knowledge about nutrient adequacy across the complementary feeding period is limited. We investigated probability of adequacy (PA) of breast milk and complementary food combined and nutrient density adequacy (NDA) of complementary food and tracking of NDA over time among 229 children from 9-24 months of age in Bhaktapur, Nepal. Monthly, 24 h dietary recalls (16 in total) were performed and subgrouped into four 4-month time periods...
November 2, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29089512/thiamine-deficiency-impairs-common-eider-somateria-mollissima-reproduction-in-the-field
#19
Torsten Mörner, Tomas Hansson, Le Carlsson, Anna-Lena Berg, Yolanda Ruiz Muñoz, Hanna Gustavsson, Roland Mattsson, Lennart Balk
The Baltic Sea population of the common eider (Somateria mollissima) has declined dramatically during the last two decades. Recently, widespread episodic thiamine (vitamin B1) deficiency has been demonstrated in feral birds and suggested to contribute significantly to declining populations. Here we show that the decline of the common eider population in the Baltic Sea is paralleled by high mortality of the pulli a few days after hatch, owing to thiamine deficiency and probably also thereby associated abnormal behaviour resulting in high gull predation...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29064578/a-diagnosis-and-treatment-gap-for-thiamine-deficiency-disorders-in-sub-saharan-africa
#20
REVIEW
Bola Adamolekun, Laurent Hiffler
Staple diets that are deficient in thiamine can result in low body thiamine levels, which may be subclinical or may manifest as a thiamine-deficiency syndrome. In many communities in the developing countries of Africa, the staple diets of polished rice or processed cassava are deficient in thiamine, and thus the communities are at high risk for marginal or frank thiamine deficiency unless their diets are supplemented by other sources of thiamine, such as protein meals and vegetables. African communities with large numbers of individuals in low socioeconomic strata are more likely to subsist on a monotonous diet of rice or cassava with minimal or no protein supplementation and are therefore particularly at risk of thiamine-deficiency disorders...
October 24, 2017: Annals of the New York Academy of Sciences
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