L Boyanova

Summary

Publications

  1. ncbi request reprint Helicobacter pylori susceptibility to fosfomycin, rifampin, and 5 usual antibiotics for H. pylori eradication
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria Electronic address
    Diagn Microbiol Infect Dis 79:358-61. 2014
  2. ncbi request reprint Comparative evaluation of the activity of plant infusions against Helicobacter pylori strains by three methods
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431, Sofia, Bulgaria
    World J Microbiol Biotechnol 30:1633-7. 2014
  3. ncbi request reprint Characterization of oral Helicobacter pylori strain by 4 methods
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria Electronic address
    Diagn Microbiol Infect Dis 77:287-8. 2013
  4. doi request reprint Living in Sofia is associated with a risk for antibiotic resistance in Helicobacter pylori: a Bulgarian study
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431, Sofia, Bulgaria
    Folia Microbiol (Praha) 58:587-91. 2013
  5. doi request reprint Antibiotic resistance rates in causative agents of infections in diabetic patients: rising concerns
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria
    Expert Rev Anti Infect Ther 11:411-20. 2013
  6. doi request reprint High prevalence and resistance rates to antibiotics in anaerobic bacteria in specimens from patients with chronic balanitis
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Bulgaria
    Anaerobe 18:414-6. 2012
  7. doi request reprint Numerous risk factors for Helicobacter pylori antibiotic resistance revealed by extended anamnesis: a Bulgarian study
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Sofia, Bulgaria
    J Med Microbiol 61:85-93. 2012
  8. doi request reprint Role of Helicobacter pylori virulence factors for iron acquisition from gastric epithelial cells of the host and impact on bacterial colonization
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Bulgaria
    Future Microbiol 6:843-6. 2011
  9. doi request reprint Benefits of Helicobacter pylori cagE genotyping in addition to cagA genotyping: a Bulgarian study
    Lyudmila Boyanova
    Chair of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, Sofia, Bulgaria
    Antonie Van Leeuwenhoek 100:529-35. 2011
  10. doi request reprint Trends in antibiotic resistance in Prevotella species from patients of the University Hospital of Maxillofacial Surgery, Sofia, Bulgaria, in 2003-2009
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria
    Anaerobe 16:489-92. 2010

Detail Information

Publications19

  1. ncbi request reprint Helicobacter pylori susceptibility to fosfomycin, rifampin, and 5 usual antibiotics for H. pylori eradication
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria Electronic address
    Diagn Microbiol Infect Dis 79:358-61. 2014
    ..Thus, in countries of high/increasing H. pylori resistance and multidrug resistance, both rifamycins and fosfomycin could be helpful in rescue regimens. ..
  2. ncbi request reprint Comparative evaluation of the activity of plant infusions against Helicobacter pylori strains by three methods
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431, Sofia, Bulgaria
    World J Microbiol Biotechnol 30:1633-7. 2014
    ..g. antioxidant, anti-inflammatory and antitumor effects, therefore these plants may have a beneficial use as prophylactic agents against or adjuvants in the therapy of H. pylori infection...
  3. ncbi request reprint Characterization of oral Helicobacter pylori strain by 4 methods
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria Electronic address
    Diagn Microbiol Infect Dis 77:287-8. 2013
    ..In conclusion, virulent and antibiotic resistant H. pylori strains can be present in oral cavity from patients with chronic dental and gastroduodenal diseases. ..
  4. doi request reprint Living in Sofia is associated with a risk for antibiotic resistance in Helicobacter pylori: a Bulgarian study
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431, Sofia, Bulgaria
    Folia Microbiol (Praha) 58:587-91. 2013
    ..453; 95 % CI 1.009-2.093). In conclusion, living in Sofia was associated with a risk for antibiotic resistance in H. pylori-positive adults. Living density could be associated with H. pylori resistance rates. ..
  5. doi request reprint Antibiotic resistance rates in causative agents of infections in diabetic patients: rising concerns
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria
    Expert Rev Anti Infect Ther 11:411-20. 2013
    ....
  6. doi request reprint High prevalence and resistance rates to antibiotics in anaerobic bacteria in specimens from patients with chronic balanitis
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Bulgaria
    Anaerobe 18:414-6. 2012
    ..Most active agents were metronidazole and amoxicillin/clavulanate. Resistance in anaerobes varies according to sites of specimens and years of study...
  7. doi request reprint Numerous risk factors for Helicobacter pylori antibiotic resistance revealed by extended anamnesis: a Bulgarian study
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Sofia, Bulgaria
    J Med Microbiol 61:85-93. 2012
    ....
  8. doi request reprint Role of Helicobacter pylori virulence factors for iron acquisition from gastric epithelial cells of the host and impact on bacterial colonization
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Bulgaria
    Future Microbiol 6:843-6. 2011
    ..The new activities of the major virulence factors of adherent H. pylori are important both to research and in a clinical setting...
  9. doi request reprint Benefits of Helicobacter pylori cagE genotyping in addition to cagA genotyping: a Bulgarian study
    Lyudmila Boyanova
    Chair of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, Sofia, Bulgaria
    Antonie Van Leeuwenhoek 100:529-35. 2011
    ....
  10. doi request reprint Trends in antibiotic resistance in Prevotella species from patients of the University Hospital of Maxillofacial Surgery, Sofia, Bulgaria, in 2003-2009
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria
    Anaerobe 16:489-92. 2010
    ..The evolution of penicillin resistance in Prevotella strains was highly dynamic...
  11. doi request reprint Two-decade trends in primary Helicobacter pylori resistance to antibiotics in Bulgaria
    Lyudmila Boyanova
    Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria
    Diagn Microbiol Infect Dis 67:319-26. 2010
    ..Metronidazole and tetracycline did not show a resistance evolution but exhibited a decrease in MIC(50) since 1990. The significant increase in ciprofloxacin resistance was found only by extending the study period to 20 years...
  12. doi request reprint Association of iceA and babA genotypes in Helicobacter pylori strains with patient and strain characteristics
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria
    Antonie Van Leeuwenhoek 98:343-50. 2010
    ..pylori in Bulgaria. Both iceA1 and babA2 genotypes were associated with other virulence factors of H. pylori and, in addition, the iceA1 allele was associated with the strain susceptibility...
  13. doi request reprint Geographic map and evolution of primary Helicobacter pylori resistance to antibacterial agents
    Lyudmila Boyanova
    Department of Medical Microbiology, Medical University of Sofia, Zdrave Street 2, 1431 Sofia, Bulgaria
    Expert Rev Anti Infect Ther 8:59-70. 2010
    ....
  14. ncbi request reprint High prevalence of virulent Helicobacter pylori strains in symptomatic Bulgarian patients
    Lyudmila Boyanova
    Chair of Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria
    Diagn Microbiol Infect Dis 64:374-80. 2009
    ..1%), vacA s1 (97.4%), and cagA+/vacA s1 strains (79.5%) was found by multiplex PCR in gastric biopsies in the 2nd center. In conclusion, H. pylori strains with virulent genotypes are widespread in symptomatic Bulgarian patients...
  15. doi request reprint Prevalence of multidrug-resistant Helicobacter pylori in Bulgaria
    Lyudmila Boyanova
    Chair of Microbiology, Medical University of Sofia, Sofia, Bulgaria
    J Med Microbiol 58:930-5. 2009
    ..H. pylori susceptibility patterns have a tendency to become unpredictable and should be monitored constantly at both national and global levels...
  16. doi request reprint Anti-Helicobacter pylori activity of Lactobacillus delbrueckii subsp. bulgaricus strains: preliminary report
    L Boyanova
    Department of Microbiology, Medical University of Sofia, Sofia, Bulgaria
    Lett Appl Microbiol 48:579-84. 2009
    ..To evaluate the activities of six Lactobacillus delbrueckii subsp. bulgaricus (LB) strains against 30 Helicobacter pylori strains by agar-well diffusion method...
  17. ncbi request reprint Detection of Helicobacter pylori infection in symptomatic Bulgarian adults
    L Boyanova
    Department of Microbiology, Medical University of Sofia, Bulgaria
    Clin Microbiol Infect 13:908-14. 2007
    ..Culture provided a highly accurate diagnostic approach. Stomach biopsies from non-treated patients can be frozen for several days. The benefit of reporting H. pylori density, as determined by culture, requires further evaluation...
  18. ncbi request reprint The status of antimicrobial resistance of Helicobacter pylori in eastern Europe
    L Boyanova
    Department of Microbiology, Medical University of Sofia, Sofia, Bulgaria
    Clin Microbiol Infect 8:388-96. 2002
    ..To evaluate the primary, secondary and combined resistance to five antimicrobial agents of 2340 Helicobacter pylori isolates from 19 centers in 10 countries in eastern Europe...
  19. ncbi request reprint Xanthoma of the stomach--some morphometrical peculiarities and scanning electron microscopy
    S Petrov
    Department of Pathology, Dr Ratcho Angelov District Hospital, Sofia, Bulgaria
    Hepatogastroenterology 46:1220-2. 1999
    ..The aim of our investigation was to evaluate the frequency of the so-called "gastric xanthoma" in biopsy specimens and to describe the picture elicited by scanning electron microscopy...