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Articles by Suheyla SURUCUOGLU
Total Records ( 3 ) for Suheyla SURUCUOGLU

Aim: The emergence of multidrug-resistant tuberculosis (MDR-TB) is increasing, and the standard short-course regimen used for the treatment of TB is likely to be ineffective against MDR-TB, leading to the need for second-line drugs. In such situations, drug susceptibility testing is necessary to select an appropriate treatment regimen. Unfortunately, there are few studies showing the pattern of the second-line drug resistance in Turkey. We aimed to analyze the resistance to second-line anti-tuberculosis drugs of MDR strains of Mycobacterium tuberculosis isolated from the Aegean region of Turkey.

Materials and Methods: In this study, drug susceptibility testing of 40 MDR-TB strains isolated from the Aegean region of Turkey was performed using the BACTEC 460 TB radiometric system. Capreomycin, ethionamide, kanamycin, amikacin, clofazimine and ofloxacin were tested in 1.25 µg/ml, 1.25 µg/ml, 5.0 µg/ml, 1.0 µg/ml, 0.5 µg/ml, and 2.0 µg/ml concentrations, respectively.

Results: The results showed that 37.5% of the strains were resistant to ethionamide, 25% to capreomycin, 5% to kanamycin, amikacin and ofloxacin, and 2.5% to clofazimine. One (2.5%) of the 40 MDR-TB cases was defined as extensively drug-resistant tuberculosis (XDR-TB).

Conclusions: The results of the study indicate that the high rates of resistance to ethionamide and capreomycin may be a problem in the treatment of patients with MDR-TB; XDR-TB is not yet a serious problem in our region.

  Alp YENTUR , Ismet TOPCU , Rusen ISIK , Kenan DEGERLI and Suheyla SURUCUOGLU
  After conventional aqueous disinfectant solutions, it was shown that microorganisms were still protected in hair follicles. We hypothesized that those aqueous disinfectant solutions when used in combination with alcohol may be more effective on the inhibition of recolonization of skin and therefore catheter tip colonization. Materials and methods: Skin surface samples were taken from epidural catheter insertion sites prior to catheterization, and before and after disinfection with different combinations of povidone-iodine, chlorhexidine, and alcohol. Before catheter removal, cultures were taken once more and tips of the catheters were cultured. Results: Catheter tip colonization and skin culture results of 10% povidone-iodine + 70% alcohol group were significantly lower than those of other groups after disinfection. Conclusion: Sequential use of alcohol and povidone-iodine is the most effective combination for limiting re-colonization of skin flora. Contamination of catheters appears to take place at removal or via the spread of these re-colonized bacteria along the catheter tract.
  Vildan AVKAN OGUZ , Nurbanu SEZAK , Aygun OZTOP , Nur YAPAR , Suheyla SURUCUOGLU and Ayse YUCE
  Aim: The early diagnosis of active tuberculosis still depends on the presence of acid-fast bacilli (AFB) in stained sputum smears. In this study, our aim was to investigate the efficiency and cost-effectiveness of two different fluorochrome stains.
Materials and methods:
A total of 1013 sputum specimens were collected from 642 patients. Three smears and cultures were prepared from each specimen. Double-blind and prospective laboratory procedures were performed. Slides were stained with a commercial auramine/acridine orange kit (Stain 1), an in-house preparation of auramine- rhodamine/KMnO4 (Stain 2) and a Ziehl-Neelsen stain (EZN).
Of the 1013 specimens, 101 were culture positive. Among these, AFB was detected in 60 specimens by EZN, in 53 by Stain 1, in 81 by Stain 2. By cultures, the sensitivities and specificities of Stain 2 were 80.1% and 83.8%, respectively, and for Stain 1, 52.4% and 94.6% respectively. There is no significant difference between the costs of these methods.
Stain 1 was easy to apply and inexpensive but the sensitivity of Stain 1 was lower than that of Stain 2. However, Stain 2 required longer preparation time, more work, and had a higher risk of exposure to carcinogens. In order to increase the sensitivity of Stain 1, it is suggested that the contents of the prepared Stain 1 kit could be rearranged. In tuberculosis diagnosis, this revised kit may provide practicality in use.
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