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M. Metintas
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MINI 24 - Epidemiology, Early Detection, Biology (ID 140)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Thymoma, Mesothelioma and Other Thoracic Malignancies
- Presentations: 1
- Moderators:J. Creaney, M. Carbone
- Coordinates: 9/08/2015, 16:45 - 18:15, 102+104+106
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MINI24.02 - Mesothelioma Risk in Turkey (ID 462)
16:50 - 16:55 | Author(s): M. Metintas
- Abstract
- Presentation
Background:
Turkish Mesothelioma Working Group; Drs. Abdurrahman Abakay, Sedat Altın, Güntülü Ak, Şule Akçay, Hasan Bayram, Mehmet Bayram, Hasan Fevzi Batırel, Serdar Berk, Mehmet Bilgin, Nilgün Yılmaz Demirci, Figen Deveci, Levent Elbeyli, Ahmet Erbaycu, Dilek Ernam, Sebahat Genç, Murat Gültekin, Ezgi Hacikamiloğlu, Hüseyin İlter, Selahattin Kadir, Hasan Kahraman, Mehmet Karadağ, Özkan Kaan Karadağ, Talat Kılıç, Gamze Kırkıl, Berna Kömürcüoğlu, Muzaffer Metintaş, Selma Metintaş, Arzu Mirici, Tevfik Pınar, Ömer Özbudak, Sibel Özkurt, Önder Öztürk, Mutafa Taşdemir, Dursun Tatar, Engin Tutkun, Umran Toru, Toros Selçuk, Zehra Seyfikli, Nazan Şen, Abdurrahman Şenyiğit, Gaye Ulubay, Ülkü Yılmaz, Adil Zamani In this study, we aimed to detect the current and future mesothelioma risk for Turkey to guide the studies for the elimination of asbestos exposure in the rural areas.
Methods:
Thirty-eight faculty members who were members of the Turkish Mesothelioma Working Group and and 4 foreign consultants took part in this study. In hospitals of 30 provinces where mesothelioma cases were most diagnosed, the patients diagnosed with "mesothelioma" under the code of C45 between 2008 and 2012 (for five years) were identified. The cases were checked one by one according to their identity, name, age, birth place, register and address information with their national identification numbers from the Central Register System (MERNIS). The deceased cases were identified; their dates of death and age were determined and these were also verified by the national registers. Following the identification of all deceased cases, the median survival was determined according to their diagnoses dates. After obtaining the final records of the cases with mesothelioma, the cases born in villages/rural areas were determined. Finally, "population exposed to asbestos in rural areas for a risky period of time" was determined. The number of mesothelioma to develop in the risky populations for the next 20 years was estimated based on those findings.
Results:
7,789 cases with C45 code between 2008 and 2012 in Turkey was collected and the demographic information was collected from 5,617 mesothelioma cases whose data were reliable. Out of these cases, 3,718 were born/lived in villages. 3,495 of the 5,617 mesothelioma cases had died until July 2014. The median survival was 8 months. 1,879 cases were not born and/or lived in a village with known asbestos exposure. These cases were most possibly related with occupational exposure. Between 2013 and 2033, it was projected that 15,450 mesothelioma will emerge in the population exposed to asbestos in the above mentioned rural areas. Moreover, it was projected that 2,511 new mesothelioma cases will emerge in the population who are still being exposed to environmental asbestos after 2013.
Conclusion:
We determined that mesothelioma caused by environmental and occupational asbestos exposure in Turkey is a more serious problem than previously anticipated. This is a unique epidemiological study that has determined the magnitude of an environmental/occupational carcinogen induced cancer problem through data collection from patients. Country wide measures are being implemented by the Public Health Institute of Turkey and Turkish Mesothelioma Working Group.
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