Ramazan Gundogdu

Mersin University, Zephyrium, Mersin, Turkey

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Publications (3)6.06 Total impact

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    ABSTRACT: In the current study it was aimed to investigate the toxicity of low doses of imidacloprid (IMI) on the reproductive organ systems of adult male rats. The treatment groups received 0.5 (IMI-0.5), 2 (IMI-2) or 8 mg IMI/kg body weight by oral gavage (IMI-8) for three months. The deterioration in sperm motility in IMI-8 group and epidydimal sperm concentration in IMI-2 and IMI-8 groups and abnormality in sperm morphology in IMI-8 were significant. The levels of testosterone (T) and GSH decreased significantly in group IMI-8 compared to the control group. Upon treatment with IMI, apoptotic index increased significantly only in germ cells of the seminiferous tubules of IMI-8 group when compared to control. Fragmentation was striking in the seminal DNA from the IMI-8 group, but it was much less obvious in the IMI-2 one. IMI exposure resulted in elevation of all fatty acids analyzed, but the increases were significant only in stearic, oleic, linoleic and arachidonic acids. The ratios of 20:4/20:3 and 20:4/18:2 were decreased and 16:1n-9/16:0 ratio was increased. In conclusion, the present animal experiments revealed that the treatment with IMI at NOAEL dose-levels caused deterioration in sperm parameters, decreased T level, increased apoptosis of germ cells, seminal DNA fragmentation, the depletion of antioxidants and change in disturbance of fatty acid composition. All these changes indicate the suppression of testicular function.
    Journal of Environmental Science and Health Part B Pesticides Food Contaminants and Agricultural Wastes 05/2012; 47(5):434-44. · 1.10 Impact Factor
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    ABSTRACT: The present study was designed to evaluate the results of phenolization for pilonidal sinus disease and the risk factors for treatment failure. Between June 2005 and July 2009, 76 consecutive patients with nonrecurrent sacrococcygeal pilonidal sinus were treated with a phenol treatment and included in the study. The clinical (age, sex, story of treatment for abscess formation, and comorbidity), operative (localization and number of sinus openings and volume of cavity), and follow-up data (healing time, time off work, postoperative complications, morbidity, and number of phenolization sessions) of the patients was recorded. Gender, age, history of abscess drainage, number of sinus openings, localization of sinus openings, volume of cavity, and the number of phenolization sessions were analyzed as risk factors for treatment failure. The overall success rate was 67% (51 of 76 patients). The mean time to complete healing was 16 days (range, 10-45). The time off work was 0 days. Age and gender were not found to be risk factors for treatment failure (P > .05 and P > .05, respectively). Patients with a history of abscess drainage and more than 3 sinus openings had a significantly higher risk of treatment failure (P = .001 and P = .046, respectively). There was no difference between the localization of sinus openings and treatment failure (P > .05). There were statistically significant differences between treatment failure and both the cavity volume and number of phenolization sessions (P = .016 and P = .001, respectively). Patients were followed up for a mean period of 25 months (range, 13-48). One patient (2%) showed recurrence. With an early return to work and low rates of complications and recurrence, phenolization is a simple outpatient procedure for the treatment of pilonidal sinus disease in selected patients.
    Surgery 01/2012; 151(1):113-7. · 3.37 Impact Factor
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    ABSTRACT: This prospective randomized clinical study was conducted to evaluate the safety and tolerability of early oral feeding after colorectal operations. A total of 199 patients underwent colorectal surgery and were randomly assigned to early feeding (n = 99) or a regular diet (n = 100). Patients' characteristics, diagnoses, surgical procedures, comorbidity, bowel movements, defecation, nasogastric tube reinsertion, time of tolerance of solid diet, complications, and length of hospitalization were assessed. The two groups were similar in terms of gender, age, diagnosis, surgical procedures, and comorbidity. In the early feeding group, 85.9% of patients tolerated the early feeding schedule. Bowel movements (1.7±0.89 vs. 3.27±1.3), defecation (3.4±0.77 vs. 4.38±1.18) and time of tolerance of solid diet (2.48±0.85 vs. 4.77±1.81) were significantly earlier in the early feeding group. There was no change between the groups in terms of nasogastric tube reinsertion, overall complication or anastomotic leakage. Hospitalization (5.55±2.35 vs. 9.0±6.5) was shorter in the early feeding group. The present study indicated that early oral feeding after elective colorectal surgery was not only well tolerated by patients but also affected the postoperative outcomes positively. Early postoperative feeding is safe and leads to the early recovery of gastrointestinal functions.
    Clinics (São Paulo, Brazil) 01/2011; 66(12):2001-5. · 1.59 Impact Factor