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Open Medicine
|
2010
|
vol. 5
|
issue 4
470-474
EN
Arcobacter spp. are emerging food borne pathogens associated with prolonged diarrhea and occasional systemic infections such as bactereamia and peritonitis in humans. Information on faecal shedding patterns to assess the potential role they play within the intestine however, is lacking. This study was designed to investigate faecal shedding of local isolates of Arcobacter spp. Using real time PCR for confirmation, A. cryaerophilus and A. butzleri were isolated from the stool of healthy chickens. Pathogenicity of the organisms was tested by administering a single oral challenge of 102–109 cfu/ml to 45 healthy adult male albino rats divided equally among 5 groups. Uninfected rats were used as the control group. A. cryaerophilus and A. butzleri produced infection in 100% of the animals. Experimental infection was dose dependent and caused diarrheal illness and faecal shedding was noted up to 5 weeks post infection. The present study demonstrates that rats can act as a reservoir and potential source of Arcobacter infection in humans and animals exposed to this pathogen.
EN
With increasing population and human activities, dumpsites experience diverse sources of waste with potential radiation hazards. Ionizing radiations have often been overlooked amongst researchers in third world countries, hence, information in this regard is lacking. In this study, nine dumpsites within Imo State University (IMSU) grounds were assessed for radiation levels using Geiger Muller counter Tube Mullard type ZP 1481 with assisted scalar and stopwatch. After calibration, the instrument was placed one meter above ground level and count rates recorded at 10 minutes interval for each location once in the morning, the afternoon and the evening for seven days. Results reveal higher dose equivalents in some morning periods than in the afternoon and evening. Site ETF2 had highest value of 0.69±0.08 mSv·yr-1, while Extension gate had lowest value of 0.56±0.01 mSv·yr-1. Compared to National Council for Radiation Protection maximum permissible level, these values are quite low. In conclusion, ionizing radiations levels at the studied dumpsites in Imo State University grounds are low and may not pose a threat to persons within the university.
EN
INTRODUCTION: : Summer internships constitute an essential component of the curriculum and have the greatest impact on preparing students for entering the labour market. Mandatory practical training for Warsaw Medical University students is usually held during summer internships. The study aimed to analyse the impact of the evaluation of summer internships on student self-assessment of and opinion on educational outcomes obtained by the second-cycle degree students of Public Health. MATERIAL AND METHODS: The study involved 87 graduates (15 men and 72 women) from the second-cycle degree programme in Public Health at the Department of Public Health, Faculty of Health Sciences, Warsaw Medical University. The study enrolled second-cycle degree students who graduated in the academic year 2015-16. A questionnaire return rate was 97% (85/87). Mean age of the study population amounted to 25.85 years (min. 23; max. 51; SD 4.550). A voluntary questionnaire study was conducted between July and September 2016. The study used an anonymous questionnaire developed by the authors at the Department of Education and Research in Health Sciences, Faculty of Health Sciences, Warsaw Medical University, based on the the list of educational outcomes adopted by the resolution of Warsaw Medical University Senate. The default significance level was established at 0.05. RESULTS: Most students participating in the study reported that their internships were valuable for them and had a positive impact on the level of achievement of educational outcomes included in the curriculum for the second-cycle degree programme in Public Health. Internships had significantly influenced the opinion of students participating in the study on the achievement of educational outcomes related to this area (rS = 0.24, p = 0.027). It was shown that a better assessment of internship went hand in hand with better self-assessment of student's knowledge. CONCLUSIONS:Despite an overall positive assessment of summer internships, they did not have a significant impact on the level of achievement of educational outcomes and student self-assessment. Therefore, there is a need for further assessment of the quality of summer internships, varification of internship placements and development of an internship database for students.
PL
WSTĘP: Praktyki letnie stanowią istotny element programu nauczania i mają największy wpływ na przygotowanie studentów do wejścia na rynek pracy. Obowiązkowe praktyki dla studentów Warszawskiego Uniwersytetu Medycznego odbywają się zazwyczaj podczas praktyk letnich. Badanie miało na celu analizę wpływu oceny praktyk wakacyjnych na samoocenę i opinię studentów o efektach kształcenia uzyskiwanych przez studentów II stopnia kierunku Zdrowie Publiczne. MATERIAŁ I METODY: W badaniu wzięło udział 87 absolwentów (15 mężczyzn i 72 kobiety) studiów II stopnia na kierunku Zdrowie Publiczne w Katedrze Zdrowia Publicznego Wydziału Nauk o Zdrowiu Warszawskiego Uniwersytetu Medycznego. Do badania zakwalifikowali się studenci studiów II stopnia, którzy ukończyli studia w roku akademickim 2015-16. Wskaźnik zwrotu kwestionariusza wyniósł 97% (85/87). Średni wiek badanej populacji wynosił 25,85 lat (min. 23; maks. 51; SD 4,550). Dobrowolne badanie ankietowe przeprowadzono w okresie od lipca do września 2016 r. W badaniu wykorzystano anonimową ankietę opracowaną przez autorów w Zakładzie Kształcenia i Badań Nauk o Zdrowiu Wydziału Nauk o Zdrowiu Warszawskiego Uniwersytetu Medycznego na podstawie wykazu efektów kształcenia przyjęty uchwałą Senatu Warszawskiego Uniwersytetu Medycznego. Domyślny poziom istotności ustalono na 0,05. WYNIKI: Większość studentów biorących udział w badaniu stwierdziła, że ​​odbyte staże były dla nich wartościowe i miały pozytywny wpływ na poziom osiągania efektów kształcenia zawartych w programie studiów II stopnia w zakresie zdrowia publicznego. Praktyki miały istotny wpływ na opinię studentów biorących udział w badaniu na temat osiągania efektów kształcenia związanych z tym obszarem (rS = 0,24, p = 0,027). Wykazano, że lepsza ocena stażu szła w parze z lepszą samooceną wiedzy studenta. WNIOSKI: Mimo ogólnej pozytywnej oceny praktyk wakacyjnych nie miały one istotnego wpływu na poziom osiągania efektów kształcenia i samooceny studentów. W związku z tym istnieje potrzeba dalszej oceny jakości praktyk wakacyjnych, weryfikowania praktyk oraz tworzenia bazy praktyk dla studentów.
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