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    The place and the efficacy of infectious disease consultations in the hospitals
    (2012) Erdem H.; Kurtaran B.; Arun O.; Ylmaz H.; Çelebi G.; Özkaya H.D.; Aksu H.S.Z.
    Our study aims to determine the efficacy of infectious disease consultations and the interrelations between doctors in this social laboratory. This study was conducted at 34 centers located in 22 cities across Turkey and contributed by 210 infectious disease specialists (IDSs) and 970 non-infectious disease specialists (NIDSs), totaling 1180 medical doctors. Infectious disease specialists and NIDSs have separately contributed by responding to questionnaires designed specifically for the consultation process. It appears that a satisfactory collaboration has been established between IDSs and NIDSs during the consultation practices. There are some discrepancies in the perceptions of some of the NIDSs. These are the evaluation of patients holistically, the expectation of NIDSs in critical infection cases to start the therapy immediately, losing the support of drug companies by NIDSs, and the restriction of NIDSs in routine medical practice. On the other hand, NIDSs seem to have real problems in the diagnosis or treatment of infectious diseases. The consultation service provided by the IDSs in Turkey is widely accepted among other clinicians and appears to be of a crucial importance. Copyright © 2012 by Lippincott Williams & Wilkins.
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    Plasma β-Carotene, Vitamin A and Vitamin C Levels in Cyclic and Pregnant Cows
    (2010) Ataman M.B.; Erdem H.; Bülbül B.; Haliloğlu S.; Çinar M.; Aköz M.
    The aim of this study was to determine the plasma ?-carotene, vitamin A and vitamin C levels and correlation between these parameters in cyclic and pregnant dairy cattle. A total of 101 Holstein cows used for this aim. Artificial inseminations (AI) were performed 12 h after determining the oestrus. The cows were allocated to two groups as pregnant (n=81) and nonpregnant (n=20) after the determination of pregnancy. Progesterone level was only higher on day 21 in pregnant cows than that in nonpregnant cows (P<0.05). There were variations in the mean levels of ?-carotene and vitamin A in pregnant and nonpregnant cows (P<0.05) whereas vitamin C levels in nonpregnant cows did not differ during the oestrus cycle. There was a negative correlation between the plasma levels of progesterone and ?-carotene (P<0.01) and progesterone and vitamin A (P<0.05) in pregnant cows, and a positive correlation between the plasma levels of ?-carotene and vitamin A in both pregnant and nonpregnant cows (P<0.01), during the cycle. In conclusion, differences were determined in the levels of ?-carotene, vitamin A and vitamin C in pregnant cows, and b-carotene and vitamin A in nonpregnant cows with the stages of the oestrus cycle in this study. In addition to this, more research is needed evaluating the relationship between these parameters and their effects on bovine reproduction.