The aim of this project is to investigate the relationship between medical students' background and their perception of the state of rural health services; willingness to undertake internship training or work as a doctor in a rural hospital; expected benefits and disadvantages of training or working as a doctor in a rural hospital; and factors interfering with acceptance of a job as a doctor in rural areas. A questionnaire-based survey was distributed to 100 first-year medical students attending the Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne at the end of semester 1. The response rate was 97%, including 44 males and 53 females. A strong relationship was found between rural background and an intention to undertake internship training in a rural hospital (86% of students from a rural background expressed this desire vs 30% of students from an urban background). Furthermore, all students from a rural background expressed a desire to work as a doctor in a rural hospital after completing postgraduate training. Compared to urban students, students from a rural background showed a more positive attitude towards health services in rural areas including public hospitals ( P = 0.02), private general practice ( P = 0.004), ambulance service ( P = 0.0002) and baby health centres ( P = 0.005). Citizenship or gender was not significantly related to the perception of any of these services. The ranking of factors interfering with acceptance of a job as a doctor in rural areas were different for rural and urban students. Students from rural backgrounds reported spouse/partner needs (76% vs 49%, P = 0.038) and school availability for children (59% vs 30%, P = 0.023) as barriers more frequently than urban students, respectively). On the other hand, urban students rated the following factors higher: personal factors (76% vs 53%, respectively), education opportunities (56% vs 24%), social/cultural facilities (50% vs 41%) and the need for frequent travel (29% vs 12%). None of these interfering factors were significantly different. Urban students were more likely than rural students to report that their views were a result of adverse media reports. In conclusion, students from a rural background were more willing to be trained or to work as doctors in rural areas. This was associated with a greater adverse influence by the media upon students.
1. There is good evidence that acid is a prerequisite for aspirin induced gastric mucosal damage; however, there is inconsistent information available for non-salicylate NSAID. The present study examines the effect of gastric luminal pH on indomethacin-induced gastric mucosal damage. 2. Macroscopic gastric mucosal damage induced by indomethacin (40 mg/kg) or vehicle, administered intraduodenally to male pylorus-ligated rats (n = 5-10/group), was assessed at four different levels of luminal pH (2,4,5.5 and 7) by means of digital planimetry. 3. There was a marked difference in the extent of damage induced by indomethacin at the different luminal pH levels (P = 0.001). There was no difference between the percentage of haemorrhagic lesions at pH 2 and 4 (P > 0.05), nor between pH 5.5 and 7 (P > 0.05). However, the damage at the high levels of luminal acidity (pH 2 and 4) was strikingly different from that at pH 5.5 and 7 (P < 0.05). 4. Gastric mucosal damage induced by indomethacin, a non-salicylate NSAID, is augmented by the presence of high concentration of acid in the gastric lumen. The main finding, that indomethacin injury is markedly less above pH 4, may have clinical implications in the prevention of NSAID-induced mucosal injury.
Synthetic approaches to the lantibiotics, a family of thioether-bridged antimicrobial peptides, require flexible synthetic routes to a variety of orthogonally protected derivatives of lanthionine 1. The most direct approaches to lanthionine involve the reaction of cysteine with an alanyl beta-cation equivalent. Several possibilities exist for the alanyl beta-cation equivalent, including direct activation of serine under Mitsunobu conditions: however, the low reactivity of sulfur nucleophiles in the Mitsunobu reaction has previously precluded its use in the synthesis of the lantibiotics. We report here a new approach to the synthesis of protected lanthionine, using a novel variant of the Mitsunobu reaction in which catalytic zinc tartrate is used to enhance the nucleophilicity of the thiol. In the course of these studies, we have also demonstrated that the synthesis of lanthionine from trityl-protected beta-iodoalanines is prone to rearrangement, via an aziridine, to give predominantly trityl-protected alpha-iodo-beta-alanines, and hence norlanthionines, as the major products.
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