Preliminary observations on the relationship of calcium ingestion to vitamin D status in the green iguana (Iguana iguana)

Zoo Biology ◽  
1997 ◽  
Vol 16 (3) ◽  
pp. 201-207 ◽  
Author(s):  
Olav T. Oftedal ◽  
Tai C. Chen ◽  
Jay Schulkin
Keyword(s):  
Vitamin D ◽  
Vitamin D Status ◽  
Iguana Iguana ◽  
Green Iguana ◽  
Relationship Of ◽  
The Relationship

The relationship of vitamin D status to bone mineral density in an Italian population of postmenopausal women

2005 ◽  
Vol 16 (12) ◽  
pp. 1691-1697 ◽  
Author(s):  
Nazzarena Malavolta ◽  
Loredana Pratelli ◽  
Marilena Frigato ◽  
Rita Mulè ◽  
Maria Lucia Mascia ◽  
...  
Keyword(s):  
Bone Mineral Density ◽  
Vitamin D ◽  
Postmenopausal Women ◽  
Bone Mineral ◽  
Italian Population ◽  
Vitamin D Status ◽  
Mineral Density ◽  
Relationship Of ◽  
The Relationship

Prevalence of Vitamin D Deficiency among Patients Attending a General Otolaryngology Clinic in South Auckland

2009 ◽  
Vol 118 (5) ◽  
pp. 326-328 ◽  
Author(s):  
Jim Bartley ◽  
David Reid ◽  
Randall P. Morton
Keyword(s):  
Vitamin D ◽  
Statistical Analysis ◽  
Vitamin D Deficiency ◽  
Prospective Observational Study ◽  
Vitamin D Status ◽  
Hydroxyvitamin D ◽  
Vitamin D Levels ◽  
25 Hydroxyvitamin D ◽  
Relationship Of ◽  
The Relationship

Objectives: We performed a prospective observational study to estimate the prevalence of vitamin D deficiency in patients attending a general otolaryngology clinic in South Auckland, New Zealand. Methods: From July 21, 2008, to August 7, 2008, all new patients presenting to otolaryngology clinics at which one of the authors (D.R.) was present had their vitamin D status assessed by measurement of their plasma 25-hydroxyvitamin D [25(OH)D] level. Results: Of 48 patients, 2% had 25(OH)D levels of 17.5 nmol/L or less (a level associated with osteomalacia), 58% had 25(OH)D levels of 50 nmol/L or less (a level associated with vitamin D deficiency), and 100% had 25(OH)D levels of 80 nmol/L or less. Conclusions: Most of the patients attending a general otolaryngology clinic in South Auckland are vitamin D–deficient. It is unclear whether low vitamin D levels are associated more directly with otolaryngological disorders or skin type, because the small size of this study and the broad range of conditions seen precluded a meaningful statistical analysis. Further research into the relationship of vitamin D to specific otolaryngological presentations is required.

scholarly journals Vitamin D Status in Migraine Patients: A Case-Control Study

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Alireza Zandifar ◽  
Samaneh sadat Masjedi ◽  
Mahboobeh Banihashemi ◽  
Fatemeh Asgari ◽  
Navid Manouchehri ◽  
...  
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Sun Exposure ◽  
Control Group ◽  
Vitamin D Status ◽  
Significant Difference ◽  
25 Hydroxy Vitamin D ◽  
Relationship Of ◽  
The Relationship ◽  
Control Study

Background. There have been few studies on the relation between vitamin D and migraine. We investigated the prevalence of vitamin D deficiency in migraine patients and compared it with a control group. We also evaluated the relationship of vitamin D deficiency with severity of migraine.Methods. 105 newly diagnosed migraine patients and 110 controls, matched for age, sex, socioeconomic status, education, and sun exposure, were enrolled during the spring of 2011. 25-Hydroxy vitamin D [25(OH)D] plasma levels were measured by chemiluminescence immunoassay.Results. The mean ± SE concentration of 25(OH)D was13.55±0.91 ng/mL in cases and13.19±1.19 ng/mL in controls. There was no significant difference in 25(OH)D concentration between cases and controls. We found no relationship between severity of headache and 25(OH)D status.Conclusions. We did not find any association between migraine and vitamin D status; also, severity of headaches was not related to 25(OH)D level. Further studies with larger sample sizes are required to confirm our results.

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