Bayeh Abera

Mr. Bayeh Abera

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Research Focus & Metrics

Academic Career Length

18Years (2009-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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19 May 2014 in BMC Pharmacology and Toxicology
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Journal Article
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BABayeh Abera
Bayeh Abera
MKMulugeta Kibret
Mulugeta Kibret
WMWondemagegn Mulu
Wondemagegn Mulu
Antimicrobial resistance (AMR) is a major global public health problem both in hospital and community acquired infections. The present study assessed the knowledge and beliefs on AMR among physicians and nurses in 13 hospitals in Amhara region, Ethiopia, which is a low-income country.

1 March 2014 in BMC Infectious Diseases
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Journal Article
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YZYohannes Zenebe
Yohannes Zenebe
WMWondemagegn Mulu
Wondemagegn Mulu
MYMulat Yimer
Mulat Yimer
BABayeh Abera
Bayeh Abera
Hepatitis B virus (HBV) and human immunodeficiency virus (HIV) are the two most important agents of infectious diseases. Both HBV and HIV share common modes of transmission and have serious effects on both pregnant women and infants. In Bahir Dar city administration, there is a scarcity of information on sero-prevalence of HIV and HBV infection among pregnant women. The main objective of this study was to assess sero-prevalence and risk factors of HIV and HBV infection among pregnant women attending antenatal care in Bahir Dar city, Northwest Ethiopia.

13 May 2015 in BMC Women's Health
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Journal Article
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WMWondemagegn Mulu
Wondemagegn Mulu
MYMulat Yimer
Mulat Yimer
YZYohannes Zenebe
Yohannes Zenebe
BABayeh Abera
Bayeh Abera
Bacterial vaginosis, candidal, trichomonal and Gonococcal vaginal infections are a major health problems associated with gynecologic complications and increase in replication, shedding and transmission of HIV and other STIs in women of reproductive age. The study aimed at determining the prevalence of common vaginal infections and antimicrobial susceptibility profiles of aerobic bacterial isolates in women of reproductive age, attending Felegehiwot referral Hospital. A hospital based cross sectional study was conducted from May to November, 2013. Simple random sampling technique was used. Demographic variables were collected using a structured questionnaire. Clinical data were collected by physicians. Two vaginal swab specimens were collected from each participant. Wet mount and Gram staining were carried out to identify motile T.vaginalis, budding yeast and clue cells. All vaginal specimens were cultured for aerobic bacterial isolates using standard microbiology methods. Antimicrobial susceptibility was performed using disc diffusion technique as per the standard by Kirby-Bauer method. The results were analyzed using descriptive, chi-square and fisher’s exact test as appropriate. A total of 409 women in reproductive age (15 – 49 years) participated in the study. The median age of the women was 28 years. Overall, 63 (15.4 %) of women had vaginal infections. The proportion of vaginal infection was higher in non-pregnant (17.3 %) than pregnant women (13.3 %) (P = 0.002). The most common identified vaginal infections were candidiasis (8.3 %) and bacterial vaginosis (2.8 %) followed by trichomoniasis (2.1 %). The isolation rate of N. gonorrhoeae and group B Streptococcus colonization was 4 (1 %) and 6 (1.2 %), respectively. Bacterial vaginosis was higher in non-pregnant (5.6 %) than pregnant women (0.5 %) (P = 0.002). Religion, age, living in rural area and having lower abdominal pain were significantly associated with bacterial vaginosis and candidiasis (P < 0.05). E.coli, Pseudomonas spp. and S.aureus were frequently isolated. Norfloxacin (75.6 %), ciprofloxacin (79.6 %) and gentamicin (77.6 %) revealed high level of sensitivity whereas high resistance rates were observed for amoxicillin (82.2 %), tetracycline (63.3 %) and cotrimoxazole (62.2 %). Bacterial vaginosis, candidiasis and trichomoniasis are a common problem in women of reproductive age. Therefore, screening of vaginal infections in women of reproductive age should be implemented. Moreover, ciprofloxacin, norfloxacin and gentamicin are the recommended drugs for empiric therapy and prophylaxis as needed.

14 March 2013 in The Journal of Infection in Developing Countries
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BABayeh Abera
Bayeh Abera
GAGenetu Alem
Genetu Alem
MYMulat Yimer
Mulat Yimer
ZHZaida Herrador
Zaida Herrador
Introduction: This study aimed to determine the prevalence of intestinal helminths, risk factors and haematocrit values among primary schoolchildren. Methodology: Across-sectional study was conducted in 12 primary schools in March 2011. Stool samples were randomly selected from 778 children and were microscopically examined using Kato-Katz and formal-ether concentration methods. Haematocrit values were measured using heparinized capillary tubes. Results: The overall prevalence of intestinal helminths was 51.5% (rural = 68.3%, urban = 36.2%). Hookworm spp., Schistosoma mansoni and Schistosoma stercoralis were more prevalent in rural schools, whereas Hymenolepis nana was higher in urban schools (p = 0.0001). With regard to haematocrit, 34% of rural and 21.7% of urban schoolchildren had haematocrit values below the median (40.5%) (p=0.001). Hookworm spp. and S. mansoni infected children had lower haematocrit values than non-infected children (p = 0.001). Lack of footwear was positively associated with intestinal helminths infection in rural schools [OR = 2.5 (95% CI: 1.5-4.1)], and having dirty fingernails and untrimmed fingernails were positively associated with the prevalence of intestinal helminths in urban samples [OR = 1.58 (95% CI: 1.03-2.5)]. Conclusion: The prevalence of soil-transmitted helminths and S. mansoni differs by geographical area of the schools and social determinants. Primary school de-worming and health education on proper hygiene are recommended.

23 December 2014 in BMC Research Notes
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WMWondemagegn Mulu
Wondemagegn Mulu
TDTazebew Demilie
Tazebew Demilie
MYMulat Yimer
Mulat Yimer
KMKassaw Meshesha
Kassaw Meshesha
BABayeh Abera
Bayeh Abera
Dental caries is the most common chronic infectious disease of childhood caused by the interaction of bacteria, mainly Streptococcus mutans and sugary foods on tooth enamel. This study aimed at determining the prevalence and associated factors of dental caries among primary school children at Bahir Dar city.

6 July 2017 in BMC Research Notes
Verified
Journal Article
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WMWondemagegn Mulu
Wondemagegn Mulu
BABayeh Abera
Bayeh Abera
MYMulat Yimer
Mulat Yimer
THTadesse Hailu
Tadesse Hailu
HAHaimanot Ayele
Haimanot Ayele
DADereje Abate
Dereje Abate
In developing countries like Ethiopia, infections with antibiotic resistant bacteria become a real threat. Hence, monitoring of local level antimicrobial resistance profile is indispensable to contain the spread of drug resistant bacteria and intervene poor awareness on antimicrobial resistance. Therefore, this study aimed at determining bacterial and antibiotic resistance profiles of infections from different sites that occurred among patients. Retrospective data recorded were analyzed on culture and drug susceptibility test results at Debre Markos Referral Hospital which were performed from 2011 to 2014. Drug susceptibility tests were performed using disk-diffusion technique. Chi square test was computed to compare the proportion of bacterial isolates with patients’ age and sex. Out of 575 clinical samples processed, 280 (48.7%) were culture positive for aerobic bacteria pathogens. Wound 238 (41.4%) and urine 108 (18.8%) were the most frequent samples processed. Overall, Staphylococcus aureus (S. aureus) was the predominant isolate 100 (31.5%) followed by Escherichia coli (E. coli) 39 (13.8%), Pseudomonas aeruginosa (P. aeruginosa) 30 (10.3%) and Salmonella spp. 25 (8.9%). P. aeruginosa was the most frequent isolate followed by S. aureus from ear infection. E. coli was the leading isolate followed by Klebsiella spp. from urinary tract infection. Salmonella and Shigella spp. were the most frequent isolates in stool in children below 5 years of age. Neisseria gonorrhoeae (N. gonorrhoeae) 16 (76.2%) was the most common isolate from urethral discharge. The overall multidrug-resistant Gram positive and Gram negative bacteria isolates were 113 (84.6%) and 96 (72.2%), respectively. Gram positive bacteria revealed resistance to cotrimoxazole (80%), gentamicin (83.1%), amoxicillin (85.1%), ampicillin (85.8%), penicillin (89.7%), clindamycin (93.2%) and erythromycin (90.9%). Gram negative bacteria showed resistance to cotrimoxazole (53.1%), amoxicillin (58.8%), ampicillin (70.4%), tetracycline (75.9%) and gentamicin (76.9%). Various bacterial infections linked with high levels of MDR bacteria pathogens are major health problems in the study area. Therefore, treatment of common bacterial infections in the study area needs to be guided by drug-susceptibility testing of isolates.