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Matti Narkia

Vitamin D deficiency is associated with worse cognitive performance and lower bone dens... - 0 views

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    Vitamin D deficiency is associated with worse cognitive performance and lower bone density in older African Americans.
    Wilkins CH, Birge SJ, Sheline YI, Morris JC.
    J Natl Med Assoc. 2009 Apr;101(4):349-54.
    PMID: 19397226

    CONCLUSIONS: Vitamin D deficiency in older African Americans was associated with worse cognitive performance and lower BMD of the hip
Matti Narkia

Serum 25-hydroxyvitamin D levels in vitamin D-insufficient hip fracture patients after ... - 0 views

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    Serum 25-hydroxyvitamin D levels in vitamin D-insufficient hip fracture patients after supplementation with ergocalciferol and cholecalciferol.
    Glendenning P, Chew GT, Seymour HM, Gillett MJ, Goldswain PR, Inderjeeth CA, Vasikaran SD, Taranto M, Musk AA, Fraser WD.
    Bone. 2009 Nov;45(5):870-5. Epub 2009 Jul 23.
    PMID: 19631774
    doi:10.1016/j.bone.2009.07.015

    Cholecalciferol supplementation resulted in a 31% greater increase in total HPLC-measured 25OHD (p=0.010) and 52% greater rise in RIA-measured 25OHD (p<0.001) of supplementation dose with than ergocalciferol equivalent an>0.05). In vitamin D-insufficient hip fracture patients, supplementation with cholecalciferol 1000 IU/day for three months was more effective in increasing serum 25OHD than an equivalent dose of ergocalciferol. However, the lack of difference in PTH lowering between calciferol treatments raises questions about the biological importance of this observation.
Matti Narkia

Severe vitamin D deficiency in Swiss hip fracture patients. - [Bone. 2008] - PubMed Result - 1 views

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    Severe vitamin D deficiency in Swiss hip fracture patients.
    Bischoff-Ferrari HA, Can U, Staehelin HB, Platz A, Henschkowski J, Michel BA, Dawson-Hughes B, Theiler R.
    Bone. 2008 Mar;42(3):597-602. Epub 2007 Nov 28.
    PMID: 18180211

    BACKGROUND: Most clinical guidelines for the prevention of hip fractures recommend 800 IU vitamin D per day. This dose shifted serum 25-hydroxyvitamin D levels (25(OH)D) in previous studies to between 60 and 100 nmol/l. AIM: To measure 25(OH)D levels and prevalence of vitamin D supplementation in individuals age 65+ with acute hip fracture. METHODS: 222 consecutive hip fracture patients were investigated over a 12 month period. Mean age of patients was 86 years and 77% were women. RESULTS: Mean serum 25(OH)D levels were low among hip fracture patients admitted from home (34.6 nmol/l), from assisted living (27.7 nmol/l), and from nursing homes (24 nmol/l). Severe vitamin D deficiency below 30 nmol/l was present in 60%, 80% were below 50 nmol/l, and less than 4% reached desirable levels of at least 75 nmol/l. Consistently, only 10% of hip fracture patients had any vitamin D supplementation on admission to acute care with significantly higher 25(OH)D levels among individuals supplemented with 800-880 IU/day (63.5 nmol/l). Controlling for age and gender, vitamin D supplementation, type of dwelling, and season were independently and significantly associated with 25(OH)D levels. CONCLUSION: These data provide evidence that current guidelines for the prevention of hip fractures need further effort to be translated into clinical practice.
Matti Narkia

Half of the patients with an acute hip fracture suffer from hypovitaminosis D: a prospe... - 0 views

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    Half of the patients with an acute hip fracture suffer from hypovitaminosis D: a prospective study in southeastern Finland.
    Nurmi I, Kaukonen JP, Lüthje P, Naboulsi H, Tanninen S, Kataja M, Kallio ML, Leppilampi M.
    Osteoporos Int. 2005 Dec;16(12):2018-24. Epub 2005 Aug 24.
    PMID: 16133642

    Half of the patients with a hip fracture suffered from hypovitaminosis D. The situation was worst in institutional and residential care, although there are personnel for taking care of vitamin D supplementation. In the late summer, one-third and in late winter two-thirds of the patients suffered from hypovitaminosis D. The geographical location of Finland indicates extensive efforts to increase the use of vitamin D supplements among elderly.
Matti Narkia

Comparison of Daily, Weekly, and Monthly Vitamin D3 in Ethanol Dosing Protocols for Two... - 0 views

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    Comparison of daily, weekly, and monthly vitamin D3 in ethanol dosing protocols for two months in elderly hip fracture patients.
    Ish-Shalom S, Segal E, Salganik T, Raz B, Bromberg IL, Vieth R.
    J Clin Endocrinol Metab. 2008 Sep;93(9):3430-5. Epub 2008 Jun 10.
    PMID: 18544622
    doi:10.1210/jc.2008-0241

    CONCLUSIONS: Supplementation with vitamin D can be achieved equally well with daily, weekly, or monthly dosing frequencies. Therefore, the choice of dose frequency can be based on whichever approach will optimize an individual's adherence with long-term vitamin D supplementation.
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