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vitamine A Neonates

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https://www.readbyqxmd.com/read/29913536/hemostasis-in-the-very-young
#1
Gili Kenet, Assaf Arie Barg, Ulrike Nowak-Göttl
Hemostasis is a dynamic process that starts in utero. The coagulation system evolves with age, as evidenced by marked physiological differences in the concentration of the majority of hemostatic proteins in early life compared with adulthood. This concept, known as "developmental hemostasis," has important biological and clinical implications. Overall, impaired platelet function, along with physiologically reduced levels of vitamin K-dependent and contact coagulation factors, may cause poorer clot firmness even in healthy neonates...
June 18, 2018: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/29911034/fetal-skeletal-size-and-growth-are-relevant-biometric-markers-in-vitamin-d-deficient-mothers-a-north-east-india-prospective-cohort-study
#2
Dipti Sarma, Uma K Saikia, Darvin V Das
Context: The neonatal skeletal outcomes due to maternal Vitamin D deficiency. Aims: The aim of this study is to assess the serum 25 hydroxy Vitamin D (25[OH]D) status in pregnant women and correlate with cord blood 25(OH)D levels, femur length at 34 weeks gestation, and neonatal anthropometry (birth weight, birth length, and head circumference). Settings and Design: This was prospective cohort study. Subjects and Methods: This study was carried out in 250 healthy primigravida between 18 and 40 years of age in the third trimester of gestation attending the Obstetrics and Gynaecology Department of Gauhati Medical College, Guwahati from December 2012 to December 2015...
March 2018: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29908378/vitamin-d-deficiency-and-lower-urinary-tract-symptoms-in-women
#3
H Aydogmus, U S Demirdal
OBJECTIVE: The association of vitamin D deficiency and pelvic floor dysfunction has been examined by numerous studies. Lower urinary tract symptoms (LUTS) associated with bladder filling and voiding functions are common in both sexes. A recent study reports a higher incidence of LTUS in men over 50 years old with vitamin D deficiency. The aim of the study is to investigate whether there is a difference in the Lower Urinary Tract Symptoms frequency between women with vitamin D deficiency and the control group or not...
June 9, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29907852/predictors-of-anemia-and-iron-status-at-birth-in-neonates-born-to-women-carrying-multiple-fetuses
#4
Yuan Ru, Eva K Pressman, Ronnie Guillet, Philip J Katzman, Stephen J Bacak, Kimberly O O'Brien
BACKGROUND: Iron (Fe) status of neonates born to women carrying multiple fetuses might be compromised as a consequence of the high prevalence of maternal Fe deficiency and anemia coupled with an increased risk of preterm birth. This study aimed to characterize and identify determinants of anemia in this neonatal population. METHODS: Umbilical cord blood obtained from 183 neonates was utilized to assess hemoglobin (Hb), ferritin (SF), soluble transferrin receptor (sTfR), hepcidin, serum Fe, erythropoietin, folate, vitamin B-12, C-reactive protein, and interleukin-6...
June 15, 2018: Pediatric Research
https://www.readbyqxmd.com/read/29902818/-substances-in-the-bovine-colostrum-a-survey
#5
Sebastian Ganz, Michael Bülte, Zdzislaw Gajewski, Axel Wehrend
The best studied substances in bovine colostrum are the immunoglobulins. They are absorbed in the small intestine of the neonate by pinocytosis. The Fc-receptor is not highly involved in this process in calves compared to other species. However, this receptor plays a crucial role in the transport of immunoglobulins from the circulation of the dam to the udder and, therefore, into the colostrum. During colostrogenesis, which starts up to 8 weeks prior to parturition, up to 500 g of immunoglobulins are transferred daily by this process...
June 2018: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/29895848/vitamin-a-and-micronutrient-deficiencies-post-bariatric-surgery-aetiology-complications-and-management-in-a-complex-multiparous-pregnancy
#6
Fiona L Mackie, Nicola S Cooper, Louise J Whitticase, Amanda Smith, William L Martin, Sheldon C Cooper
Adequate vitamin A is essential for healthy pregnancy, but high levels may be teratogenic. We present a patient who underwent bariatric surgery, prior to child bearing, and suffered maternal and foetal complications during eleven pregnancies, possibly associated with vitamin A deficiency, amongst multiple micronutrient deficiencies and risk factors including smoking and obesity. Maternal complications included visual disturbance, night blindness and recurrent infections. Recurrent foetal pulmonary hypoplasia and microphthalmia led to foetal and neonatal loss, not previously described in the medical literature...
June 12, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29879830/genetic-management-and-nutritional-factors-affecting-intramuscular-fat-deposition-in-beef-cattle
#7
Seung Ju Park, Seok-Hyeon Beak, Da Jin Sol Jung, Sang Yeob Kim, In Hyuk Jeong, Min Yu Piao, Hyeok Joong Kang, Dilla Mareistia Fassah, Sang Weon Na, Seon Pil Yoo, Myunggi Baik
Intramuscular fat (IMF) content in skeletal muscle including the longissimus dorsi muscle (LM), also known as marbling fat, is one of the most important factors determining beef quality in several countries including Korea, Japan, Australia and the United States. Genetics and breed, management, and nutrition affect IMF deposition. Japanese Black cattle breed has the highest IMF content in the world, and Korean cattle (also called Hanwoo) the second highest. Here, we review results of research on genetic factors (breed and sex differences and heritability) that affect IMF deposition...
May 31, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/29876916/-neonatal-onset-of-epileptic-syndromes-causations-and-diagnostic-process
#8
M C Fons-Estupina
Neonatal convulsions are the most frequent form of expression of neurological pathology in the neonatal period. They represent a neurological emergency and thus require urgent diagnosis and treatment, as they are associated with a high risk of neonatal mortality or adverse neurological prognosis. Most neonatal convulsions are symptomatic and secondary to an identifiable causation. The causes vary widely. In this review we describe the electroclinical and aetiological aspects, and we also analyse the process of diagnosing the main epileptic syndromes in newborn infants...
June 5, 2018: Revista de Neurologia
https://www.readbyqxmd.com/read/29875967/-neonatal-cytosteatonecrosis-complicated-by-major-hypercalcemia
#9
Assiya El Kettani, Nabiha Kamal
We here report the case of a female infant with perinatal asphyxia requiring resuscitation. She was referred with sclerema neonatorum which had been observed by parents on her tenth day of life. The lesions appeared as hard erythematous nodular plaques, suggesting neonatal cytosteatonecrosis in the gluteal region. Patient's evolution was marked by progressive hypercalcemia reaching a peak of 128 mg/L (80-110 mg/L) for which re-hospitalization was required 1 month after birth. Renal ultrasound showed medullary nephrocalcinosis...
2018: Pan African Medical Journal
https://www.readbyqxmd.com/read/29875736/deconvoluting-the-biological-roles-of-vitamin-d-binding-protein-during-pregnancy-a-both-clinical-and-theoretical-challenge
#10
REVIEW
Spyridon N Karras, Theocharis Koufakis, Hana Fakhoury, Kalliopi Kotsa
The teleological purpose of an ongoing pregnancy is to fulfill its fundamental role of a successful, uncomplicated delivery, in conjunction with an optimal intrauterine environment for the developing fetus. Vitamin D metabolism is adapted to meet both these demands during pregnancy; first by stimulation of calcium absorption for adequate intrauterine bone mineral accrual of the fetus, and second, by enhancing systemic and local maternal tolerance to paternal and fetal alloantigens. Vitamin D-binding protein (VDBP) is one of the key biomolecules that optimize vitamin D homeostasis and also contributes as an immune regulator for a healthy, ongoing pregnancy...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29850608/maternal-nutrition-during-early-pregnancy-and-cardiometabolic-status-of-neonates-at-birth
#11
Musarrat Riaz, Fareeha Shaikh, Asher Fawwad, Rubina Hakeem, A Samad Shera, Graham A Hitman, Bishwajit Bhowmik, Nayla Christina do Vale Moreira, Abdul Basit, Akhtar Hussain
Objective: To explore the impact of maternal body weight on maternal nutrition and micronutrient status in early pregnancy and potential impact on metabolic status in newborns. Methodology: The EU FP7 project GIFTS was conducted from Jan 2012 to May 2014. Demographic details and anthropometric measurements of women in the first trimester of pregnancy were obtained. Blood samples were collected for OGTT, insulin, lipid profile, serum folate, ferritin, vitamin D, vitamin B12, and red cell folate...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29848449/biological-versus-mechanical-heart-valve-prosthesis-during-pregnancy-in-women-with-congenital-heart-disease
#12
Heleen Lameijer, Ymkje J van Slooten, Monique R M Jongbloed, Martijn A Oudijk, Marlies A M Kampman, Arie P van Dijk, Marco C Post, Barbara J Mulder, Krystyna M Sollie, Dirk J van Veldhuisen, Tjark Ebels, Joost P van Melle, Petronella G Pieper
BACKGROUND: We evaluate pregnancy outcome and anticoagulation regimes in women with mechanical and biological prosthetic heart valves (PHV) for congenital heart disease. METHODS: Retrospective multicenter cohort studying pregnancy outcomes in an existing cohort of patients with PHV. RESULTS: 52 women had 102 pregnancies of which 78 pregnancies (46 women) ≥20 weeks duration (59 biological, 19 mechanical PHV). Miscarriages (n = 19, ≤20 weeks) occurred more frequently in women using anticoagulation (P < ...
May 23, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29813153/association-between-vitamin-d-supplementation-during-pregnancy-and-offspring-growth-morbidity-and-mortality-a-systematic-review-and-meta-analysis
#13
Wei Guang Bi, Anne Monique Nuyt, Hope Weiler, Line Leduc, Christina Santamaria, Shu Qin Wei
Importance: Whether vitamin D supplementation during pregnancy is beneficial and safe for offspring is unclear. Objective: To systematically review studies of the effects of vitamin D supplementation during pregnancy on offspring growth, morbidity, and mortality. Data Sources: Searches of Medline, Embase, and the Cochrane Database of Systematic Reviews were conducted up to October 31, 2017. Key search terms were vitamin D, pregnancy, randomized controlled trials, and offspring outcomes...
May 29, 2018: JAMA Pediatrics
https://www.readbyqxmd.com/read/29803223/correlation-between-serum-vitamin-d-level-and-neonatal-indirect-hyperbilirubinemia
#14
Shahrokh Mehrpisheh, Azadeh Memarian, Abolfazl Mahyar, Negin Sadat Valiahdi
BACKGROUND: Considering the significant prevalence of Neonatal Indirect Hyperbilirubinemia (NIH) and its irreversible neurological complications, identifying the factors involved in the prevalence of neonatal jaundice is essential. The present study was conducted to determine the relationship between serum vitamin D levels and the prevalence of NIH in infants admitted to Qods Hospital of Qazvin in Iran in 2015-16. METHODS: In this case-control study, 30 term infants with NIH (the case group) were compared with 30 healthy, non- icteric, term infants (the control group) in terms of serum levels of 25-hydroxyvitamin D...
May 26, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29800180/effect-of-vitamin-d-supplementation-on-recurrent-wheezing-in-black-infants-who-were-born-preterm-the-d-wheeze-randomized-clinical-trial
#15
RANDOMIZED CONTROLLED TRIAL
Anna Maria Hibbs, Kristie Ross, Leigh Ann Kerns, Carol Wagner, Mamta Fuloria, Sharon Groh-Wargo, Teresa Zimmerman, Nori Minich, Curtis Tatsuoka
Importance: Black infants born preterm face high rates of recurrent wheezing throughout infancy. Vitamin D supplementation has the potential to positively or negatively affect wheezing through modulation of the pulmonary and immune systems. Objective: To assess the effectiveness of 2 vitamin D dosing strategies in preventing recurrent wheezing. Design, Setting, and Participants: A randomized clinical trial enrolled 300 black infants born at 28 to 36 weeks' gestation between January 2013 and January 2016 at 4 sites in the United States, and followed them up through March 2017...
May 22, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29793354/a-potential-biotechnological-process-for-the-sustainable-production-of-vitamin-k-1
#16
Thomas D C Tarento, Dale D McClure, Andrea M Talbot, Hubert L Regtop, John R Biffin, Peter Valtchev, Fariba Dehghani, John M Kavanagh
The primary objective of this review is to propose an approach for the biosynthesis of phylloquinone (vitamin K1 ) based upon its known sources, its role in photosynthesis and its biosynthetic pathway. The chemistry, health benefits, market, and industrial production of vitamin K are also summarized. Vitamin K compounds (K vitamers) are required for the normal function of at least 15 proteins involved in diverse physiological processes such as coagulation, tissue mineralization, inflammation, and neuroprotection...
May 24, 2018: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/29791315/incidence-of-early-onset-sepsis-in-infants-born-to-women-with-clinical-chorioamnionitis
#17
Tara M Randis, Madeline Murguia Rice, Leslie Myatt, Alan T N Tita, Kenneth J Leveno, Uma M Reddy, Michael W Varner, John M Thorp, Brian M Mercer, Mara J Dinsmoor, Susan M Ramin, Marshall W Carpenter, Philip Samuels, Anthony Sciscione, Jorge E Tolosa, George Saade, Yoram Sorokin
OBJECTIVE: To determine the frequency of sepsis and other adverse neonatal outcomes in women with a clinical diagnosis of chorioamnionitis. METHODS: We performed a secondary analysis of a multi-center placebo-controlled trial of vitamins C/E to prevent preeclampsia in low risk nulliparous women. Clinical chorioamnionitis was defined as either the "clinical diagnosis" of chorioamnionitis or antibiotic administration during labor because of an elevated temperature or uterine tenderness in the absence of another cause...
May 23, 2018: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29783717/associations-of-maternal-vitamin-d-deficiency-with-pregnancy-and-neonatal-complications-in-developing-countries-a-systematic-review
#18
REVIEW
Paige van der Pligt, Jane Willcox, Ewa A Szymlek-Gay, Emily Murray, Anthony Worsley, Robin M Daly
Pregnant women in Asia, the Middle East, Africa and Latin America are at risk of vitamin D deficiency (VDD) and prevalence throughout these regions are among the highest, globally. Maternal VDD has been associated with increased risk of a number of adverse maternal and neonatal health outcomes, yet research from developing countries is limited. We assessed the associations of maternal VDD during pregnancy with adverse health outcomes by synthesizing the literature from observational studies conducted in developing countries...
May 18, 2018: Nutrients
https://www.readbyqxmd.com/read/29769494/clinical-profile-and-outcome-of-peripartum-cardiomyopathy-a-study-in-a-tertiary-cardiac-hospital-of-bangladesh
#19
N Fatema, S K Banerjee, C M Ahmed, A A Habib, F Rahman, S A Ahsan, H Hoque, R C Debnath, S Hashem, J Arzu
This study was done to evaluate the clinical profile, management and to analysis of pregnancy outcomes of peripartum cardiomyopathy pregnant women. Follow up was done after treatment and to see the prognosis. All patients admitted with peripartum cardiomyopathy from July 2009 to June 2014 in the department of Cardiology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh were considered for this observational study. Seventy two (72) women were evaluated. Primi-paras are 28 (39%) of the total study population...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29769118/protection-against-neonatal-enteric-colibacillosis-employing-e-coli-derived-outer-membrane-vesicles-in-formulation-and-without-vitamin-d3
#20
Babak Beikzadeh, Gholamreza Nikbakht Brujeni
OBJECTIVE: Enterotoxigenic Escherichia Coli (ETEC) is the cause of diarrhea and even death in humans and offspring of animals. Outer membrane vesicles (OMVs) of the ETEC was prepared and its potential as a vaccine candidate against enteric colibacillosis in neonatal mice was evaluated. Dam mice intradermally injected with ETEC-derived OMVs and OMVs plus an active form of vitamin D3 (avD3). Mucosal and systemic immune responses in mice and passive immunity protection against ETEC lethality in their offspring was investigated...
May 16, 2018: BMC Research Notes
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