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Vitamin B12 deficiency

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https://www.readbyqxmd.com/read/28821482/hypersegmented-neutrophils-and-oval-macrocytes-in-the-setting-of-b12-deficiency-and-pancytopaenia
#1
Sean James Farrelly, Kieran Anthony O'Connor
Vitamin B12 deficiency is a recognised pathology in several populations, with a particular prevalence in an older adult population. We present two cases whereby vitamin B12 deficiency is the causative factor in marked pancytopaenia. Oval macrocytosis and hypersegmented neutrophils were noted on both peripheral blood samples, which are a characteristic finding in macrocytic anaemia due to B12 deficiency. Distinct underlying pathologies were identified in both cases; food-cobalamin malabsorption and pernicious anaemia...
August 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28807660/the-changing-cost-to-prevent-diabetes-a-retrospective-analysis-of-the-diabetes-prevention-program
#2
Nicholas W Carris, Feng Cheng, William N Kelly
OBJECTIVES: Diabetes prevention interventions are poorly implemented. While health care costs generally increase, 2 factors affect the relative cost of diabetes prevention interventions: the declining cost of metformin (even without insurance) and the new recommendation for vitamin B12 monitoring during metformin treatment. The study's objective was to update the relative health system cost estimate of metformin for diabetes prevention by incorporating the current health system cost of metformin and the cost of addressing potential metformin-associated vitamin B12 deficiency...
August 11, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28806113/-hungarian-diet-and-nutritional-status-survey-the-otap2014-study-v-vitamin-intake-of-the-hungarian-population
#3
Erzsébet Schreiberné Molnár, Zsuzsanna Nagy-Lőrincz, Barbara Nagy, Márta Bakacs, Orsolya Kis, Eszter Sarkadi Nagy, Éva Martos
INTRODUCTION AND AIM: The Hungarian Diet and Nutritional Status Survey was implemented on a sub-sample of the European Health Interview Survey. In this paper, the authors present the data on the vitamin intake of the Hungarian population. METHOD: The survey represents the vitamin intake of the Hungarian non-institutionalised adult population of 18 years and older. There are significant differences between men's and women's vitamin intake. RESULTS: The intake of all water-soluble vitamins except for vitamin C is higher in men than in women, and the difference between the genders regarding the intake of vitamin E and D is significant...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28799141/trace-element-and-vitamin-concentrations-in-paediatric-dialysis-patients
#4
Triona Joyce, Frances Court Brown, Dean Wallace, Christopher J D Reid, Manish D Sinha
BACKGROUND: There are few recent data regarding blood micronutrient concentrations and supplementation in children on maintenance dialysis. We investigated micronutrient concentrations following dialysis commencement. METHODS: Retrospective review, including all children on maintenance dialysis (peritoneal dialysis, PD; intermittent haemodialysis, IHD), for nutritional blood concentrations measured over the first 12 months. Patients received pyridoxine and Dialyvit® daily with planned 3-monthly micronutrient concentration monitoring including selenium, manganese, copper, zinc, folate and vitamins A, D, B12 and E...
August 10, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28798917/corrigendum-biomarkers-and-algorithms-for-the-diagnosis-of-vitamin-b12-deficiency
#5
Luciana Hannibal, Vegard Lysne, Anne-Lise Bjørke-Monsen, Sidney Behringer, Sarah C Grünert, Ute Spiekerkoetter, Donald W Jacobsen, Henk J Blom
[This corrects the article on p. 27 in vol. 3, PMID: 27446930.].
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28797832/subacute-progressive-myelopathy-transverse-myelitis-or-subacute-combined-degeneration-a-case-report
#6
Daniel Goldish, Teresa L Massagli
Evolving subacute myelopathies have many possible etiologies. This is a report of a patient who presented with progressive paresthesias, proprioceptive loss, and gait disturbance with acute myelitis seen on Magnetic Resonance Imaging initially concerning for transverse myelitis. However, she also had vitamin B12 deficiency and her clinical course ultimately suggested a diagnosis more compatible with subacute combined degeneration. The clinical features, laboratory and imaging findings and prognosis of the two disorders are compared...
August 7, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28780990/folate-and-vitamin-b12-status-is-associated-with-insulin-resistance-and-metabolic-syndrome-in-morbid-obesity
#7
Zhen Li, Rosa-Maria Gueant-Rodriguez, Didier Quilliot, Marie-Aude Sirveaux, David Meyre, Jean-Louis Gueant, Laurent Brunaud
BACKGROUND: Low vitamin B12 and high folate during pregnancy are associated with visceral obesity and insulin resistance in offspring. In the general population, high folate exacerbates the increase of methylmalonic acid, a marker of vitamin B12 deficiency. However, the influence of vitamin B12 and folate and their related markers on insulin resistance and metabolic syndrome remains unknown in severe obesity. AIM: To evaluate the influence of vitamin B12 and folate on HOMA-IR and components of metabolic syndrome in severe obesity...
July 24, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28779878/adult-classical-homocystinuria-requiring-parenteral-nutrition-pitfalls-and-management
#8
REVIEW
Christel Tran, Luisa Bonafé, Jean-Marc Nuoffer, Julie Rieger, Mette M Berger
BACKGROUND: Homocystinuria due to cystathionine beta synthase (CBS) deficiency presents with a wide clinical spectrum. Treatment by the enteral route aims at reducing homocysteine levels by using vitamin B6, possibly methionine-restricted diet, betaine and/or folate and vitamin B12 supplementation. Currently no nutritional guidelines exist regarding parenteral nutrition (PN) under acute conditions. METHODS: Exhaustive literature search was performed, in order to identify the relevant studies describing the pathogenesis and nutritional intervention of adult classical homocystinuria requiring PN...
July 25, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28771821/lessons-learned-from-the-management-of-adults-who-have-undergone-augmentation-for-spina-bifida-and-bladder-exstrophy-incidence-and-management-of-the-non-lethal-complications-of-bladder-augmentation
#9
REVIEW
Douglas A Husmann
The present review provides clinical insights and makes recommendations regarding patient management garnered by the long-term follow up of patients undergoing enteric bladder augmentation for the management of congenital anomalies. A prospectively maintained database on 385 patients that have experienced an enteric bladder augmentation, using either the ileum or colon, was reviewed. Evaluations included methods used to prevent bladder calculi formation and recurrence, the incidence and etiology of renal calculi development, the incidence and treatment of vitamin B12 deficiency, and the complications and need for surgical revisions for continent catheterizable stomas...
August 3, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28764232/co-inheritance-of-haemoglobin-d-punjab-and-beta-thalassemia-a-rare-variant
#10
Kalyan Mansukhbhai Shekhda, Alpa C Leuva, Jyoti G Mannari, Aashka Vikas Ponda, Amee Amin
Haemoglobinopathies are a frequent cause of anaemia in Northwestern India due to traditional practices of consanguineous marriages. Haemoglobin D-Punjab is one of the most common subvariants (55%) of haemoglobin D, which can be inherited as a homozygous or a heterozygous trait with other haemoglobinopathies. Though, haemoglobin D-Punjab is commonly seen, a heterozygous trait with beta thalassemia is a very rare presentation. Here, we present a rare case of co-inheritance of haemoglobin D-Punjab and beta thalassemia in a 19-year-old male of Indian origin...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28761260/prospective-analytical-controlled-study-evaluating-serum-biotin-vitamin-b12-and-folic-acid-in-patients-with-premature-canities
#11
Deepashree Daulatabad, Archana Singal, Chander Grover, Neelam Chhillar
BACKGROUND: Premature canities is a common yet unfathomed disorder. The evidence for the role of micronutrient deficiency in premature canities is not well established. AIM: The present study was undertaken to evaluate the micronutrient levels in Indian patients with premature canities as compared to controls. MATERIALS AND METHODS: We conducted a case-control study in 52 self-reporting patients with premature canities (<20 years age). Micronutrient levels including serum Vitamin B12, biotin, and folic acid were assessed and compared among the patients and controls...
January 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28758037/an-atypical-presentation-of-chronic-atrophic-gastritis-hemolytic-anemia-and-mesenteric-panniculitis
#12
Zurab Azmaiparashvili, Vinicius M Jorge, Catiele Antunes
Microangiopathic hemolytic anemia (MAHA) requires an aggressive approach since primary thrombotic microangiopathy syndromes such as thrombotic thrombocytopenic purpura (TTP) can progress rapidly to a fatal outcome. Differential diagnosis can be challenging even for an experienced hematologist. We present a case of a 52-year-old male who presented with symptoms of mesenteric panniculitis and showed signs of MAHA. His condition was attributed to severe vitamin B12 deficiency secondary to chronic atrophic gastritis and initiation of appropriate therapy was met with complete resolution of symptoms and normalization of hematologic parameters...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28757000/characteristics-of-vitamin-b12-deficiency-in-patients-with-plasma-cell-disorders
#13
Caitlyn Braschi, John Doucette, Ajai Chari
BACKGROUND: Although increased rates of vitamin B12 deficiency have been reported in patients with plasma cell dyscrasias (PCDs), no mechanism has been identified. Excess free light chains (FLCs) could disrupt the renal proximal tubule receptors where B12 is reabsorbed. We sought to characterize the relationship between B12 deficiency and PCDs. We hypothesized that rates of B12 deficiency would be highest in patients with PCDs with high FLC burdens. METHODS: We reviewed the electronic medical records of 501 patients who met inclusion criteria (diagnosed PCD with documented serum B12 and FLC levels) to obtain clinical data recorded prior to patients' lowest B12 levels...
July 12, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28752139/association-between-serum-vitamin-b12-level-and-frailty-in-older-adults
#14
Ozge Dokuzlar, Pinar Soysal, Ahmet Turan Isik
OBJECTIVE: Frailty is associated with recurrent falls, fractures, limitation of daily living activities, cognitive impairment, increase in hospitalization, placement in nursing home, and mortality rate in older adults. Although malnutrition is one of the most important etiological factors, role of micronutrients is unclear. The aim of this study was to investigate association between frailty and vitamin B12, which has been demonstrated to be related to numerous geriatric syndromes. METHODS: Total of 335 patients who presented at geriatric outpatient clinic and underwent comprehensive geriatric assessment were included in this study...
2017: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/28749117/roux-en-y-gastric-bypass-versus-sleeve-gastrectomy-a-narrative-review-of-risks-and-benefits
#15
Matthew D Ettleson, Corey J Lager, Andrew T Kraftson, Nazanene H Esfandiari, Elif A Oral
INTRODUCTION: Roux-en-Y gastric bypass (GB) and sleeve gastrectomy (SG) are the most commonly performed metabolic surgeries and are highly effective for the treatment of obesity and related comorbidities. In this narrative review, recent studies of at least two years of follow-up directly comparing outcomes between GB and SG are reviewed to assess the efficacy of each procedure in weight loss and diabetes remission, as well as resulting quality of life (QoL) assessment and micronutrient deficiencies...
July 26, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28745245/-bariatric-surgery-who-when-and-where-an-overview-for-the-referring-physician
#16
T C C Boerlage, Y I Z Acherman, S T Houweling, F Holleman, V E A Gerdes
- Bariatric surgery is performed in patients with a body mass index (BMI) > 40kg/m2, or BMI > 35 kg/m2 with obesity-related comorbidities. The Roux-en-Y gastric bypass and sleeve gastrectomy are the most frequently used procedures.- On average, patients have lost 25-27% of their original weight 10 years after surgery.- Obesity-related comorbidities improve dramatically in many patients following surgery. The effect is most noticeable in patients with diabetes mellitus type 2 and obstructive sleep apnoea syndrome...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28742214/association-of-combined-gif290t-c-heterozygous-mutation-fut2-secretor-variant-with-neural-tube-defects
#17
R M Guéant-Rodriguez, C Chery, B-M Fofou-Caillierez, J Voirin, B Foliguet, T Josse, D Tramoy, F François, J-L Guéant
Folate and vitamin B12 are needed for the proper embryo-fetal development possibly through their interacting role in the one-carbon metabolism. Folate fortification reduces the prevalence of complex birth defects, and more specifically neural tube defects (NTD). GIF and FUT2 are two genes associated with the uptake and blood level of vitamin B12. We evaluated GIF and FUT2 as predictors of severe birth defects, in 181 aborted fetuses compared to 375 healthy newborns. The GIF290C allele frequency was estimated to 0...
July 25, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28733112/distinctions-in-gene-specific-changes-in-dna-methylation-in-response-to-folic-acid-supplementation-between-women-with-normal-weight-and-obesity
#18
Hea Jin Park, Lynn B Bailey, Deanna C Shade, Dorothy B Hausman, Natalie M Hohos, Richard B Meagher, Gail Pa Kauwell, Richard D Lewis, Alicia K Smith
BACKGROUND/OBJECTIVES: Obesity and maternal folate deficiency are associated with increased risk for neural tube defects (NTDs). Limited knowledge exists on the impact of folate status or obesity on DNA methylation of genes related to NTD risk and folate metabolism. SUBJECTS/METHODS: Women (18-35y) with normal weight (NW; BMI 18.5-24.9kg/m(2); n=12) and obesity (OB; BMI >30kg/m(2); n=6) were provided FA (800μg/d) for 8-weeks. Serum folate concentration and changes in DNA methylation across 2098 CpG sites in 91 genes related to NTD risk and folate metabolism were examined...
July 18, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28731851/the-frequency-of-occurrence-of-fish-shaped-red-blood-cells-in-different-haematologic-disorders
#19
Christoph Robier, Carolin Körber, Franz Quehenberger, Manfred Neubauer, Albert Wölfler
BACKGROUND: Red blood cells (RBC) resembling the silhouette of a fish are rarely observed in peripheral blood (PB) smears. In this study, we determined the frequency of occurrence of fish-shaped RBC in different haematologic diseases. METHODS: We examined PB smears of patients with iron deficiency anaemia (IDA) (n=23), β-thalassaemia minor (BTM) (n=30), sickle cell disease (SCD) (n=7), autoimmune haemolytic anaemia (AIHA) (n=13), microangiopathic haemolytic anaemia (MAHA) (n=11), hereditary sphaerocytosis (HS) (n=4), hereditary elliptocytosis (HE) (n=3), vitamin B12 and folate deficiency (n=15), anaemia in liver disease (LD) (n=17), myelodysplastic syndrome (MDS) (n=15), acute myeloid leukaemia (AML) (n=29), chronic myeloid leukaemia (CML) (n=18), primary myelofibrosis (PMF) (n=12), chronic myelo-monocytic leukaemia (CMML) (n=15) and 21 healthy controls by light microscopy for the occurrence of fish-shaped erythrocytes...
July 21, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28726793/correction-vitamin-b12-deficiency
#20
Ralph Green, Lindsay H Allen, Anne-Lise Bjørke-Monsen, Alex Brito, Jean-Louis Guéant, Joshua W Miller, Anne M Molloy, Ebba Nexo, Sally Stabler, Ban-Hock Toh, Per Magne Ueland, Chittaranjan Yajnik
This corrects the article DOI: 10.1038/nrdp.2017.40.
July 20, 2017: Nature Reviews. Disease Primers
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