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    Effects of treatment regimens on survival in patients with malignant pleural mesothelioma
    (Verduci Publisher, 2013) Abakay, A.; Abakay, O.; Tanrikulu, A. C.; Sezgi, C.; Sen, H.; Kaya, H.; Kucukoner, M.
    BACKGROUND AND OBJECTIVE: In this study, we aimed to investigate the factors affecting the survival of patients with malignant pleural mesothelioma (MPM) according to their treatment regimens, including best supportive care (BSC), chemotherapy, surgical group and multimodality (MM) therapy. PATIENTS: A retrospective analysis was performed on clinical data and treatment outcomes of 400 patients registered in our hospital with MPM between January 1989 and April 2010. RESULTS: Mean age (p < 0.001), presence of asbestos exposure (p = 0.0014), presence of smoking history (p < 0.001), Karnofsky performance status (p < 0.001), histological subtype (p = 0.034) and stage (p < 0.001) variables were found to be significantly different among the four treatment regimens. Mean survival time of all patients was 12.32 months. Mean survival time 10.5 months for the BSC group, 15.7 for the surgical group, 16.02 for the chemotherapy group, and 26.55 for the MM group. There were significant differences in mean survival time among the four treatment regimens. In addition, a significant difference was found in survival time between the two chemotherapy groups (p = 0.032). Mean survival time for cisplatin + gemcitabine was found to be 14.49 months and for cisplatin + pemetrexed, 18.34 months. CONCLUSIONS: The MM group had better survival rates than the other groups. The new chemotherapy combination, cisplatin + pemetrexed, can be helpful in improving survival time.
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    Epidemiological trends and seasonal dynamics of tuberculosis in Southeastern Turkey
    (Wolters Kluwer Medknow Publications, 2023) Taylan, M.; Dogru, S.; Sezgi, C.; Yilmaz, S.
    Background: Tuberculosis (TB) is an important public health issue. Determining TB trend and seasonal variability provides useful information for designing treatment strategies and control programs. Aim: The present study attempts to investigate the epidemiological trend and the seasonal variations. Materials and Methods: TB data containing 2450 cases were collected over a period of seven years in the province of Diyarbakir in southeast Turkey. Trend function and seasonal variability were investigated by statistical curve fitting, surface fitting, and autoregressive time series analysis. Results: The study revealed a gradually decreasing trend in the number of TB cases over a period of seven years. Total TB incidence had seasonal variations (P = 0.04); there was a greater number of TB cases between April and July, with a peak in June. There were significant monthly seasonal variations with June peaks among females (P < 0.001), in patients in the age groups of 0-15 (P < 0.001) and 36-45 years (P < 0.001), in new cases (P < 0.001) and in the patients with pulmonary TB (P = 0.01). The extra-pulmonary TB cases peak in May (P = 0.01). Pulmonary TB and TB patients in the 36-45 age group had summer peak, while the other groups peaked at spring. Conclusions: Spring and summer peaks detected in total TB cases and in many subgroups indicate that multicenter and comprehensive clinical studies are needed to explain these variations.
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    Prognostic factors influencing survival in 35 patients with malignant peritoneal mesothelioma
    (Aepress Sro, 2014) Kaya, H.; Sezgi, C.; Tanrikulu, A. C.; Taylan, M.; Abakay, O.; Sen, H. S.; Abakay, A.
    Malignant mesothelioma is a rare but highly lethal form of cancer that affects the serosal membranes. Malignant peritoneal mesothelioma (MPM) is the second most common form of malignant mesothelioma (pleural mesothelioma is the most common). The aim of this study was to evaluate prognostic factors influencing the survival of patients with MPM. A retrospective analysis was performed on 35 patients who were admitted to our hospital between March 2005 and July 2013. The patients' demographic and clinical data, laboratory results, radiological signs, Eastern Cooperative Oncology Group (ECOG) performance status (PS), and treatment outcomes were evaluated. The mean age of the 35 patients was 59.0 +/- 14.4 years, the mean survival time was 16.2 +/- 12.9 months, and the majority of the histopathological types of MPM were epithelial (68.6%). 82.9% of the patients had been exposed to asbestos, and the mean duration of exposure was 28.3 +/- 14.5 years. The most frequent symptoms were abdominal distention/pain, weight loss, dyspnea, and chest pain. The mean interval between the onset of symptoms and the diagnosis was 4.6 +/- 3.3 months. Platinum-based combination chemotherapy in combination with supportive care was used in the treatment of 68.6% of the patients, while supportive treatment alone was used in the others. Our results revealed that patients who were >60 years old (p=0.019), who were exposed to asbestos >20 years (p=0.033), who had an ECOG PS of 3 (p=0.000) were more likely to have a poor MPM prognosis. In conclusion, increased age, duration of environmental asbestos exposure and ECOG PS are important factors that influence the prognosis of MPM patients.