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Matti Narkia

An international comparison of serum 25-hydroxyvitamin D measurements. - Osteoporos Int. 1999;9(5):394-7. - SpringerLink - Journal Article - 0 views

www.springerlink.com/...1qp2hv1w6fqxu8ce

1999 April study research international comparison 25ohd measurements assays Lips Holick vitamin_D nutrition lab labs medline

shared by Matti Narkia on 22 Sep 09 - Cached
  • Matti Narkia on 22 Sep 09
     
    An international comparison of serum 25-hydroxyvitamin D measurements. Lips P, Chapuy MC, Dawson-Hughes B, Pols HA, Holick MF. Osteoporos Int. 1999;9(5):394-7. PMID: 10550457 DOI: 10.1007/s001980050162 The results show that 25(OH)D values from different laboratories can not be assumed to be comparable unless a careful cross-calibration has been performed.
Matti Narkia

Independent Association of Low Serum 25-Hydroxyvitamin D and 1,25-Dihydroxyvitamin D Levels With All-Cause and Cardiovascular Mortality, June 23, 2008, Dobnig et al. 168 (12): 1340 - Arch Intern Med - 0 views

archinte.ama-assn.org/...1340

2008 June study research epidemiological vitamin_D 25ohd calcidiol calcitriol all-cause all-causes cardiovascular mortality CVD nutrition medline deficiency low_levels

shared by Matti Narkia on 02 Sep 09 - Cached
  • Matti Narkia on 02 Sep 09
     
    Independent association of low serum 25-hydroxyvitamin d and 1,25-dihydroxyvitamin d levels with all-cause and cardiovascular mortality. Dobnig H, Pilz S, Scharnagl H, Renner W, Seelhorst U, Wellnitz B, Kinkeldei J, Boehm BO, Weihrauch G, Maerz W. Arch Intern Med. 2008 Jun 23;168(12):1340-9. PMID: 18574092 Conclusions Low 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D levels are independently associated with all-cause and cardiovascular mortality. A causal relationship has yet to be proved by intervention trials using vitamin D.
Matti Narkia

25-Hydroxyvitamin D and Risk of Myocardial Infarction in Men: A Prospective Study, June 9, 2008, Giovannucci et al. 168 (11): 1174 - Arch Intern Med - 0 views

archinte.ama-assn.org/...1174

2008 June study research epidemiological prospective humans men 25ohd vitamin_D myocardial infarction myocardial_infarction risk MI CVD CHD low_levels deficiency nutrition medline Giovannucci Hollis Rimm

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  • Matti Narkia on 02 Sep 09
     
    25-hydroxyvitamin D and risk of myocardial infarction in men: a prospective study. Giovannucci E, Liu Y, Hollis BW, Rimm EB. Arch Intern Med. 2008 Jun 9;168(11):1174-80. PMID: 18541825 Conclusion Low levels of 25(OH)D are associated with higher risk of myocardial infarction in a graded manner, even after controlling for factors known to be associated with coronary artery disease.
Matti Narkia

Doctors debate vitamin D levels - 0 views

www.nutraingredients.com/...octors-debate-vitamin-D-levels

2009 September news vitamin_D CPME recommendations intake DRI PA International Foundation event workshop Belgium nutrition

shared by Matti Narkia on 25 Sep 09 - No Cached
  • Matti Narkia on 25 Sep 09
     
    The Standing Committee of European Doctors (CPME) is preparing a vitamin D policy paper it hopes can influence European national associations considering vitamin D medical recommendations. PA International Foundation is hosting an event on the topic in Bruges, Belgium, on October 6, its 14th workshop to be held on the matter. The CPME draft paper will be presented at the convention attended by doctors, scientists, patient groups, media representatives and politicians.
Matti Narkia

Association Between Serum 25-Hydroxyvitamin D Level and Upper Respiratory Tract Infection in the Third National Health and Nutrition Examination Survey, February 23, 2009, Ginde et al. 169 (4): 384 - Arch Intern Med -- Abstract - 0 views

archinte.ama-assn.org/...384

2009 February study research epidemiological humans vitamin_D 25ohd upper respiratory tract infection infections URTI RTI nutrition medline flu common cold

shared by Matti Narkia on 24 Sep 09 - Cached
  • Matti Narkia on 24 Sep 09
     
    Association between serum 25-hydroxyvitamin D level and upper respiratory tract infection in the Third National Health and Nutrition Examination Survey. Ginde AA, Mansbach JM, Camargo CA Jr. Arch Intern Med. 2009 Feb 23;169(4):384-90. PMID: 19237723 Conclusions Serum 25(OH)D levels are inversely associated with recent URTI. This association may be stronger in those with respiratory tract diseases. Randomized controlled trials are warranted to explore the effects of vitamin D supplementation on RTI.
Matti Narkia

Demographic Differences and Trends of Vitamin D Insufficiency in the US Population, 1988-2004, March 23, 2009, Ginde et al. 169 (6): 626 - Arch Intern Med -- Abstract: - 0 views

archinte.ama-assn.org/...626

2009 March study research epidemiological humans USA vitamin_D insufficiency deficiency prevalence trend trends Demographic differences race ethnicity nutrition 25ohd medline NHANES III 2001-2004 NHANES_III NHANES_2001-2004

shared by Matti Narkia on 24 Sep 09 - Cached
  • Matti Narkia on 24 Sep 09
     
    Demographic differences and trends of vitamin D insufficiency in the US population, 1988-2004. Ginde AA, Liu MC, Camargo CA Jr. Arch Intern Med. 2009 Mar 23;169(6):626-32. PMID: 19307527 Conclusions National data demonstrate a marked decrease in serum 25(OH)D levels from the 1988-1994 to the 2001-2004 NHANES data collections. Racial/ethnic differences have persisted and may have important implications for known health disparities. Current recommendations for vitamin D supplementation are inadequate to address the growing epidemic of vitamin D insufficiency.
Matti Narkia

Vitamin D Deficiency | Special Topics | Health Professionals | International Osteoporosis Foundation IOF - 0 views

www.iofbonehealth.org/...vitamin-d-deficiency.html

2009 July iofbonehealth IOF report vitamin_D deficiency insufficiency prevalence stautus world countries regions worldwide nutrition latitude sunlight

shared by Matti Narkia on 28 Aug 09 - Cached
  • Matti Narkia on 28 Aug 09
     
    The review, published in Osteoporosis International, provides a global perspective of vitamin D status across different regions of the world and identifies common and significant determinants of hypovitaminosis D. Six regions of the world were reviewed-Asia, Europe, Middle East and Africa, Latin America, North America, and Oceania-through a survey of published literature.
Matti Narkia

A high prevalence of hypovitaminosis D in Finnish medical in- and outpatients. - J Intern Med. 2001 Jun;249(6):559-63. - Wiley InterScience :: Article :: HTML Full Text - 0 views

www3.interscience.wiley.com/...HTMLSTART

2001 June study research epidemiological humans medical patients inpatients outpatients Finnish Finland vitamin_D deficiency hypovitaminosis_D high prevalence nutrition 25ohd Kauppinen-Mäkelin Välimäki PTH iPTH secondary hyperparathyroidism medline

shared by Matti Narkia on 22 Sep 09 - No Cached
  • Matti Narkia on 22 Sep 09
     
    A high prevalence of hypovitaminosis D in Finnish medical in- and outpatients. Kauppinen-Mäkelin R, Tähtelä R, Löyttyniemi E, Kärkkäinen J, Välimäki MJ. J Intern Med. 2001 Jun;249(6):559-63. PMID: 11422663 DOI: 10.1046/j.1365-2796.2001.00847.x CONCLUSION: Hypovitaminosis D is very common amongst Finnish in- and outpatients in both sexes, causing secondary hyperparathyroidism in females. More extensive studies are warranted to elucidate the vitamin D status of the Finnish population.
Matti Narkia

Serum Levels of Free 1,25-Dihydroxyvitamin D in Vitamin D Toxicity -- Pettifor et al. 122 (7): 511 -- Annals of Internal Medicine - 0 views

www.annals.org/...511

1995 April study research case report case_report in_vitro vitamin_D intoxication poisoning toxicity 1.25(OH)2D calcitriol free level nutrition medline

shared by Matti Narkia on 19 Sep 09 - Cached
  • Matti Narkia on 19 Sep 09
     
    Serum levels of free 1,25-dihydroxyvitamin D in vitamin D toxicity. Pettifor JM, Bikle DD, Cavaleros M, Zachen D, Kamdar MC, Ross FP. Ann Intern Med. 1995 Apr 1;122(7):511-3. PMID: 7872586 CONCLUSIONS: Although the patients had normal or near-normal total 1,25-(OH)2D values, most patients had elevated free 1,25-(OH)2D levels. These findings suggest that elevated free 1,25-(OH)2D levels might play a role in the pathogenesis of hypercalcemia in vitamin D toxicity.
Matti Narkia

Association Between Serum 25-Hydroxyvitamin D Level and Upper Respiratory Tract Infection in the Third National Health and Nutrition Examination Survey, February 23, 2009, Ginde et al. 169 (4): 384 Arch Intern Med -- Abstract: - 0 views

archinte.ama-assn.org/...384

2009 February study research epidemiological humans vitamin D vitamin_D status level 25ohd calcidiol Upper_Respiratory_Tract_Infection URTI flu nutrition medline common cold common_cold innate immunity innate_immunity

shared by Matti Narkia on 25 Aug 09 - Cached
  • Matti Narkia on 25 Aug 09
     
    Association Between Serum 25-Hydroxyvitamin D Level and Upper Respiratory Tract Infection. \nAdit A. Ginde, MD, MPH; Jonathan M. Mansbach, MD; Carlos A. Camargo Jr, MD, DrPH . \nArch Intern Med. 2009;169(4):384-390\n
Matti Narkia

Vitamin D Supplementation and Total Mortality: A Meta-analysis of Randomized Controlled Trials, September 10, 2007, Autier and Gandini 167 (16): 1730 - Arch Intern Med - - 0 views

archinte.ama-assn.org/...1730

2007 September study review meta-analysis clinical_trials rcts humans vitamin_D supplementation total mortality all-cause all-causes nutrition medline

shared by Matti Narkia on 06 Sep 09 - Cached
  • Matti Narkia on 06 Sep 09
     
    Vitamin D supplementation and total mortality: a meta-analysis of randomized controlled trials. Autier P, Gandini S. Arch Intern Med. 2007 Sep 10;167(16):1730-7. Review. PMID: 17846391 Conclusions Intake of ordinary doses of vitamin D supplements seems to be associated with decreases in total mortality rates. The relationship between baseline vitamin D status, dose of vitamin D supplements, and total mortality rates remains to be investigated. Population-based, placebo-controlled randomized trials with total mortality as the main end point should be organized for confirming these findings.
Matti Narkia

Demographic Differences and Trends of Vitamin D Insufficiency in the US Population, 1988-2004, March 23, 2009, Ginde et al. 169 (6): 626 - Arch Intern Med -- Abstract - 0 views

archinte.ama-assn.org/...626

2009 March study research epideiological humans vitamin D vitamin_D levels level status 25ohd calcidiol decreasing low_levels USA inadequacy insufficiency deficiency prevalence health nutrition mortality recommendations medline

shared by Matti Narkia on 25 Aug 09 - Cached
  • Matti Narkia on 25 Aug 09
     
    Demographic differences and trends of vitamin D insufficiency in the US population, 1988-2004. Ginde AA, Liu MC, Camargo CA Jr. Arch Intern Med. 2009 Mar 23;169(6):626-32. PMID: 19307527 Conclusions National data demonstrate a marked decrease in serum 25(OH)D levels from the 1988-1994 to the 2001-2004 NHANES data collections. Racial/ethnic differences have persisted and may have important implications for known health disparities. Current recommendations for vitamin D supplementation are inadequate to address the growing epidemic of vitamin D insufficiency.
Matti Narkia

Prevention of Nonvertebral Fractures With Oral Vitamin D and Dose Dependency: A Meta-analysis of Randomized Controlled Trials, March 23, 2009, Bischoff-Ferrari et al. 169 (6): 551 - Arch Intern Med -- Abstract - 0 views

archinte.ama-assn.org/...551

2009 March study review meta-analysis clinical_trials rtcs humans vitamin D vitamin_D supplementation supplements supplemental nonvertebral fractures bone health nutrition prevention osteoporosis dose-dependent medline Bischoff-Ferrari Willett

shared by Matti Narkia on 25 Aug 09 - Cached
  • Matti Narkia on 25 Aug 09
     
    Prevention of nonvertebral fractures with oral vitamin D and dose dependency: a meta-analysis of randomized controlled trials. Bischoff-Ferrari HA, Willett WC, Wong JB, Stuck AE, Staehelin HB, Orav EJ, Thoma A, Kiel DP, Henschkowski J. Arch Intern Med. 2009 Mar 23;169(6):551-61. PMID: 19307517 Conclusion Nonvertebral fracture prevention with vitamin D is dose dependent, and a higher dose should reduce fractures by at least 20% for individuals aged 65 years or older.
Matti Narkia

Commonly recommended daily intake of vitamin D is not sufficient if sunlight exposure is limited (Full Text) - Blackwell Synergy: J Intern Med, Vol 247, Issue 2, pp. 260-268 - 0 views

www.blackwell-synergy.com/...j.1365-2796.2000.00595.x

2000 Glerup Commonly recommended daily intake insufficient RDA deficiency sunlight exposure limited sun sunshine medline nutrition study science epidemiological peer-reviewed research status 25(oh)d 25-hydroxyvitamind calcidiol vitamin_D

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  • Matti Narkia on 25 Aug 09
     
    Glerup H, Mikkelsen K, Poulsen L, Hass E, Overbeck S, Thomsen J, Charles P, Eriksen EF. Commonly recommended daily intake of vitamin D is not sufficient if sunlight exposure is limited.J Intern Med. 2000 Feb;247(2):260-8.PMID: 10692090 [PubMed - indexed f
Matti Narkia

Hypocalcemia as a Cause of Reversible Cardiomyopathy with Ventricular Tachycardia -- Chavan et al. 146 (7): 541 -- Annals of Internal Medicine - 0 views

www.annals.org/...541

Hypocalcemia Cardiomyopathy Ventricular Tachycardia calcium arrhythmia cardiovascular cardiology chf congestive heart failure deficiency hypovitaminosis insufficiency medicine nutrition science health imported deliciou vitamin_D hypovitaminosis_D

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  • Matti Narkia on 25 Aug 09
     
    Hypocalcemia as a Cause of Reversible Cardiomyopathy with Ventricular Tachycardia Chandrakant B. Chavan, MD, DNB; Kalavakolanu Sharada, MD, DM; Hygriv B. Rao, MD, DM; and Calambur Narsimhan, MD, DM, AB Annals of Internal Medicine, 3 April 2007, Volume
Matti Narkia

Vitamin D deficiency in general medical inpatients in summer and winter - Blackwell Synergy - Intern Med J, Volume 37 Issue 6 Page 377-382, June 2007 (Article Abstract) - 0 views

www.blackwell-synergy.com/...j.1445-5994.2007.01339.x

vitamin D deficiency general medical inpatients summer winter australia insufficiency medicine medline nutrition prevalence science study peer-reviewed research imported delicious vitamin_D

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  • Matti Narkia on 25 Aug 09
     
    Chatfield SM, Brand C, Ebeling PR, Russell DM. Vitamin D deficiency in general medical inpatients in summer and winter. Intern Med J. 2007 Jun;37(6):377-82. PMID: 17535381 [PubMed - in process]
Matti Narkia

Independent Association of Low Serum 25-Hydroxyvitamin D and 1,25-Dihydroxyvitamin D Levels With All-Cause and Cardiovascular Mortality, June 23, 2008, Dobnig et al. 168 (12): 1340 - Arch Intern Med -- Abstract - 0 views

archinte.ama-assn.org/...1340

2008 June study research epidemiological humans vitamin D vitamin_D status 25ohd calcidiol 1.25-dihydroxyvitamin_D calcitriol level levels low low_levels CVD cardiovascular mortality CVD_mortality all-cause all-cause_mortality nutrition medline

shared by Matti Narkia on 25 Aug 09 - Cached
  • Matti Narkia on 25 Aug 09
     
    Independent association of low serum 25-hydroxyvitamin d and 1,25-dihydroxyvitamin d levels with all-cause and cardiovascular mortality.\nDobnig H, Pilz S, Scharnagl H, Renner W, Seelhorst U, Wellnitz B, Kinkeldei J, Boehm BO, Weihrauch G, Maerz W.\nArch Intern Med. 2008 Jun 23;168(12):1340-9.\nPMID: 18574092
Matti Narkia

25-Hydroxyvitamin D Levels and the Risk of Mortality in the General Population, Aug 11/25, 2008, Melamed et al. 168 (15): 1629 - Arch Intern Med -- Abstract - 0 views

archinte.ama-assn.org/...1629

2008 August study research epidemiological humans vitamin D vitamin_D status 25ohd calcidiol all-cause mortality all-cause_mortality medline nutrition

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  • Matti Narkia on 25 Aug 09
     
    25-hydroxyvitamin D levels and the risk of mortality in the general population. Melamed ML, Michos ED, Post W, Astor B. Arch Intern Med. 2008 Aug 11;168(15):1629-37. PMID: 18695076
Matti Narkia

Effects of vitamin D supplementation on symptoms of depression in overweight and obese subjects: randomized double blind trial - J Intern Med. 2008 Dec;264(6):599-609 - Wiley InterScience :: Article :: HTML Full Text - 0 views

www3.interscience.wiley.com/...HTMLSTART

2008 December study research clinial_trial rct humans overweight obese subjects vitamin_D supplementation depression symptoms obesity nutrition medline

shared by Matti Narkia on 29 Nov 09 - No Cached
  • Matti Narkia on 29 Nov 09
     
    Effects of vitamin D supplementation on symptoms of depression in overweight and obese subjects: randomized double blind trial. Jorde R, Sneve M, Figenschau Y, Svartberg J, Waterloo K. J Intern Med. 2008 Dec;264(6):599-609. Epub 2008 Sep 10. PMID: 18793245 Conclusions. It appears to be a relation between serum levels of 25(OH)D and symptoms of depression. Supplementation with high doses of vitamin D seems to ameliorate these symptoms indicating a possible causal relationship.
Matti Narkia

Arch Intern Med -- Vitamin D as an Analgesic for Patients With Type 2 Diabetes and Neuropathic Pain, April 14, 2008, Lee and Chen 168 (7): 771 - 0 views

archinte.ama-assn.org/...771

2008 April study research epidemiological humans patients type_2 diabetes vitamin_D deficiency low_levels 25ohd neuropathic pain analgesic nutrition medline

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  • Matti Narkia on 05 Oct 09
     
    Vitamin D as an analgesic for patients with type 2 diabetes and neuropathic pain. Lee P, Chen R. Arch Intern Med. 2008 Apr 14;168(7):771-2. PMID: 18413561
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