Results 1 to 10 of about 101,853 (257)

Vitamin K Deficiency Bleeding in Infancy. [PDF]

Nutrients, 2020
Vitamin K is essential for the synthesis of few coagulation factors. Infants can easily develop vitamin K deficiency owing to poor placental transfer, low vitamin K content in breast milk, and poor intestinal absorption due to immature gut flora and malabsorption.
Araki S, Shirahata A.
europepmc   +5 more sources

Vitamin K Deficiency: Diagnosis and Management. [PDF]

Ann Lab Med
Vitamin K (VK) deficiency (VKD) commonly causes coagulopathy across the age spectrum. The reduced form of VK is an essential cofactor for the post-translational γ-carboxylation of coagulation factors (Fs) II, VII, IX, and X; proteins C and S; and additional proteins.
Mathews N, Hayward CPM.
europepmc   +3 more sources

Causes of Vitamin K Deficiency in Patients on Haemodialysis. [PDF]

Nutrients, 2020
Background: A low vitamin K status is common in patients on haemodialysis, and this is considered one of the reasons for the accelerated atherosclerosis in these patients. The vitamin is essential in activation of the protein Matrix Gla Protein (MGP), and the inactive form, dp-ucMGP, is used to measure vitamin K status. The purpose of this study was to
Wikstrøm S, Aagaard Lentz K, Hansen D, Melholt Rasmussen L, Jakobsen J, Post Hansen H, Andersen JR.   +6 more
europepmc   +7 more sources

Vitamin K deficiency and covid-19 [PDF]

Scandinavian Journal of Clinical and Laboratory Investigation, 2020
In December 2019 a novel coronavirus strain disease called COVID-19 or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was identified in China and fast spread around the word [1].
Anastasi E., Ialongo C., Labriola R., Ferraguti G., Lucarelli M., Angeloni A.   +5 more
openaire   +3 more sources

Prevalence and risk factors for vitamin C deficiency in North and South India: A two centre population based study in people aged 60 years and over [PDF]

, 2011
BackgroundStudies from the UK and North America have reported vitamin C deficiency in around 1 in 5 men and 1 in 9 women in low income groups. There are few data on vitamin C deficiency in resource poor countries.ObjectivesTo investigate the prevalence ...
K. Gupta Sanjeev, Maraini Giovanni, Ravilla D. Ravindran, Giovanni Maraini, Ravilla Thulasiraj D., John Neena, Thulasiraj D. Ravilla, John, Neena, Thulasiraj D Ravilla, Young, Ian S., R Jayanthi, S. Young Ian, Usha Chakravarthy, Chakravarthy Usha, Fletcher Astrid E., Young, Ian S, Ravilla D Ravindran, Praveen Vashist, Ravilla, Thulasiraj D, Chakravarthy, Usha, Kathryn E. Fitzpatrick, Fitzpatrick, Kathryn E, Camparini, Monica, Astrid E Fletcher, Gupta, S.K., R. Jayanthi, Maraini, G., John, N., Ravilla, T.D., Fitzpatrick Kathryn E., Fitzpatrick, K.E., Maraini, Giovanni, Camparini, M., Fletcher, Astrid E, Gupta, Sanjeev K, Monica Camparini, Kathryn E Fitzpatrick, Ravindran, Ravilla D, Neena John, Fletcher, A.E., Jayanthi, R, Sanjeev K Gupta, Ravindran, R.D., Vashist Praveen, Sanjeev K. Gupta, Vashist, Praveen, Astrid E. Fletcher, Camparini Monica, Ian S Young, Jayanthi R., Jayanthi, R., Ravindran Ravilla D., Vashist, P., Ian S. Young   +53 more
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A randomised controlled trial investigating the effect of vitamin B12 supplementation on neurological function in healthy older people: the Older People and Enhanced Neurological function (OPEN) study protocol [ISRCTN54195799]. [PDF]

, 2011
BACKGROUND: Vitamin B12 deficiency is common in older people and the prevalence increases with age. Vitamin B12 deficiency may present as macrocytic anaemia, subacute combined degeneration of the spinal cord, or as neuropathy, but is often asymptomatic ...
Allen, Elizabeth, Kerry Mills, Whyte, K, Fletcher, Astrid E, Elbourne, Diana, Richards, Marcus, Ken Whyte, Mills, Kerry, Robert Clarke, Richards, M, Letley, Louise, Dangour, Alan D, Elbourne, D, Mills, K, Ricardo Uauy, Whyte, Ken, Louise Letley, Dangour, AD, Fletcher, AE, Diana Elbourne, Fasey, Nicky, Uauy, Ricardo, Alan D Dangour, Uauy, R, Astrid E Fletcher, Marcus Richards, Clarke, Robert, Clarke, R, Nicky Fasey, Elizabeth Allen, Fasey, N, Allen, E, Letley, L   +32 more
core   +1 more source

Proxy markers of serum retinol concentration, used alone and in combination, to assess population vitamin A status in Kenyan children: a cross-sectional study [PDF]

, 2015
Background Serum retinol concentration determined by high-performance liquid chromatography (HPLC) is recommended by the World Health Organization to assess population vitamin A status.
Inge D Brouwer, Verhoef, H., Elise F Talsma, Alida Melse-Boonstra, Brouwer, Inge D, Hulshof, Paul JM, Talsma, E.F., Anne S Mburu-de Wagt, Paul JM Hulshof, Hans Verhoef, Talsma, Elise F, Mburu-de Wagt, Anne S, Melse-Boonstra, Alida, Brouwer, I.D., Hulshof, P.J.M., Mburu-de Wagt, A.S., Verhoef, Hans, Boonstra, A.   +17 more
core   +1 more source

Vitamin B-12 deficiency stimulates osteoclastogenesis via increased homocysteine and methylmalonic acid [PDF]

, 2009
The risk of nutrient deficiencies increases with age in our modern Western society, and vitamin B(12) deficiency is especially prevalent in the elderly and causes increased homocysteine (Hcy) and methylmalonic acid (MMA) levels.
Bravenboer, N., Vaes, Bart L T, Vaes, B.L.T., Everts, V., Wilma T. Steegenga, Bravenboer, Nathalie, Steegenga, W.T., Lute, Carolien, Carolien Lute, de Groot, L.C.P.G.M., Müller, M.R., Henk J. Blom, de Groot, C.P.G.M., Muller, M., Dhonukshe-Rutten, R.A.M., de Groot, Lisette C P G M, Dhonukshe-Rutten, R.A., Bart L. T. Vaes, Teun J. de Vries, Blom, Henk J, Nathalie Bravenboer, Groot, L.C.P.G.M. de, de Vries, Teun J, Müller, Michael, Everts, Vincent, Rosalie A. Dhonukshe-Rutten, Michael Müller, de Vries, T.J., Lisette C. P. G. M. de Groot, Dhonukshe-Rutten, Rosalie A, Steegenga, Wilma T, Groot, C.P.G.M., de, Lute, C., Vries, T. J., Blom, H.J., Everts, V, Vries, T.J., de, Vincent Everts   +37 more
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Prophylactic vitamin K for vitamin K deficiency bleeding in neonates [PDF]

Cochrane Database of Systematic Reviews, 2000
Vitamin K deficiency can cause bleeding in an infant in the first weeks of life. This is known as Hemorrhagic Disease of the Newborn (HDN). HDN is divided into three categories: early, classic and late HDN. Early HDN occurs within 24 hours post partum and falls outside the scope of this review.
R M, Puckett, M, Offringa
openaire   +2 more sources

Vitamin K and childhood cancer: a report from the United Kingdom Childhood Cancer Study [PDF]

, 2003
The relationship between neonatal vitamin K received by the intramuscular (i.m.) route and the development of leukaemia or other cancers was investigated as part of a national case–control study of childhood cancer, using data abstracted from obstetric ...
Eden, O.B., Fear, NT, Day, N, Birch, Jillian, Fear, N. T., Simpson, J., Ansell, P, Fear, N.T., Simpson, J, Eden, O. B., E Roman, Roman, E., Roman, E, Ansell, P., N T Fear, N Day, O B Eden, ?, ?, Eden, OB, United Kingdom Childhood Cancer Study, Fear, N T, J Simpson, Eden, O B, Day, N., P Ansell   +24 more
core   +1 more source