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The effects of vitamin E and selenium on blood flow to experimental skin burns in rats using the 133Xe clearance technique

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Varoglu E., Seven B., Gumustekin K., Aktas O., Sahin A., Dane S.
Open Medicine
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2010
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vol. 5
|
issue 2
219-223
EN
The aim of the present experimental study was to determine and to compare the effects of vitamin E and of selenium on the blood flow to a wound region in rats, using the xenon-133 (133Xe) clearance technique. Burn wounds were made on the right thighs of rats followed by oral administration of vitamin E or selenium for a period of 10 days. The effect of vitamin E and of selenium individually on blood flow in the wound region was assessed before and after oral administration using the 133Xe clearance technique. Both vitamin E and selenium significantly increased the blood flow in the wound region (P<0.05). Our results in rats suggest that both vitamin E and selenium have beneficial effects on the skin wound healing process by increasing the skin blood flow.
2
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Evaluation of salivary gland function in allergic rhinitis patients by [99mTc] pertechnetate salivary gland scintigraphy

84%
Yoruk O., Seven B., Varoglu E., Ucuncu H., Sahin A., Ayan A., Sutbeyaz Y., Tozoglu S.
Open Medicine
|
2010
|
vol. 5
|
issue 2
246-250
EN
The purpose of this study was to compare the quantitative parameters of salivary gland functions in patients with allergic rhinitis and healthy volunteers using [99mTc] pertechnetate salivary gland scintigraphy. Thirty-six patients with allergic rhinitis (14 males and 22 females, mean age 30.6 ± 5.2 years) and thirty-nine healthy controls (18 males and 21 females, mean age 32.2 ± 5.6 years) were evaluated. Dynamic salivary gland scintigraphy was performed after intravenous administration of 185 MBq (5 mCi) of [99mTc] pertechnetate for 25 minutes. Lemon juice was used to stimulate the salivary glands. On the basis of the time-activity curves, the following glandular function parameters were calculated for the parotid and submandibular salivary glands: uptake ratio, maximum accumulation, and ejection fraction. Statistically, all the functional parameters of the parotid and submandibular glands obtained for the allergic rhinitis patients were significantly lower than those of the healthy controls group (p < 0.05). This study demonstrated that there was a significant difference in salivary gland function between patients with allergic rhinitis and healthy controls, which can easily be evaluated by [99mTc] pertechnetate salivary gland scintigraphy.
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