Araştırma Çıktıları
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Item Turkish national consensus on breast cancer management during temporary state of emergency due to COVID-19 outbreak(TURKISH SURGICAL ASSOC, 2020-01-01) Sezer, Atakan; Cicin, Irfan; Cakmak, Guldeniz Karadeniz; Gurdal, Sibel Ozkan; Basaran, Gul; Oyan, Basak; Eralp, Yesim; Gulluoglu, Bahadir M.; Speci, Turkish Natl Breast OncologyObjective: Cancer care is excessively influenced by the COVID-19 outbreak for various reasons. One of the major concerns is the tendency for delayed surgical treatment of breast cancer patients. The outbreak has urged clinicians to find alternative treatments until surgery is deemed to be feasible and safe. Here in this paper, we report the results of a consensus procedure which aimed to provide an expert opinion-led guideline for breast cancer management during the COVID-19 outbreak in Turkey. Material and Methods: We used the Delphi method with a 9-scale Likert scale on two rounds of voting from 51 experienced surgeons and medical oncologists who had the necessary skills and experience in breast cancer management. Voting was done electronically in which a questionnaire-formatted form was used. Results: Overall, 46 statements on 28 different case scenarios were voted. In the first round, 37 statements reached a consensus as either endorsement or rejection, nine were put into voting in the second round since they did not reach the necessary decision threshold. At the end of two rounds, for 14 cases scenarios, a statement was endorsed as a recommendation for each.Thirty-two statements for the remaining 14 were rejected. Conclusion:There was a general consensus for administering neoadjuvant systemic therapy in patients with node-negative, small-size triple negative, HER2-positive and luminal A-like tumors until conditions are improved for due surgical treatment. Panelists also reached a consensus to extend the systemic treatment for patients with HER2-positive and luminal B-like tumors who had clinical complete response after neoadjuvant systemic therapy.Item How Do Breast Cancer Patients Present Following COVID-19 Early Peak in a Breast Cancer Center in Turkey?(GALENOS YAYINCILIK, 2021-01-01) Isiklar, Aysun Dauti; Deniz, Cem; Soyder, Aykut; Guldogan, Nilgun; Yilmaz, Ebru; Basaran, GulObjective: Coronavirus disease 2019 (COVID-19) has placed an unprecedented burden on healthcare systems and restricted resources for non-COVID patients worldwide. Treatment approaches and follow-up plans have been modified to prevent the risk of infection for patients and healthcare workers. Patients prefer to delay or cancel their treatments during the peak period of infection. Materials and Methods: We retrospectively reviewed the characteristics of patients with breast cancer who were consulted at our outpatient clinic right after early COVID-19 peak in May and June 2020 and compared them with the same period in 2017 to 2019. Results: The number of patients who consulted at our outpatient medical oncology clinic declined in May and June 2020. This decline was regardless of stage and was larger in May than in June 2020. In general, the distribution of tumor subtypes {[}luminal, human epidermal growth factor receptor 2 (HER-2) positive, and triple negative] was not different from 2017 to 2020. Less than half of the patients received adjuvant chemotherapy following early COVID-19 peak in May and June 2020. Few patients received chemotherapy for metastatic disease, whereas many metastatic patients received endocrine therapy. None of the consulted new patients had a non-invasive disease. More patients received endocrine therapy than chemotherapy. Conclusion: The presentation patterns of patients with breast cancer after early COVID-19 peak differed from those during the same period in the last 3 years. The pandemic affected the number of new patients consulted and the way medical oncologists treat their patients.Item Clinical Outcome and Characteristics of Turkish Breast Cancer Patients who had SARS-Cov-2 Infection(KARE PUBL, 2022-01-01) Isiklar, Aysun; Zengin, Rehile; Balci, Veysel; Sesin Kocagoz, Ayse; Basaran, GulOBJECTIVE COVID-19 pandemic has placed an unprecedented burden on health-care system. Patients with cancer are reported to have a higher risk of infection and a more complicated COVID-19 course. Breast cancer (BC) is the most common cancer in women in Turkey. We report clinical outcomes and characteristics of patients with COVID-19 who were on treatment for BC at our center. METHODS We reviewed medical records of BC patients who had COVID-19 between July 2020 and 2021 at our center. We recorded pathological, clinical, treatment characteristics, and the clinical outcome of COVID-19 infection. RESULTS A total 82 BC patients had COVID-19 between July 2020 and 2021. All patients were female, with a median age of 49 (43-64 years). 85\% of all patients had early and 14.6\% of them had advanced stage BC. COVID-19 had a mild clinical course in 73\%, hospitalization was required in 27\% of patients. Twenty-five patients who required hospitalization were discharged and three patients died due to COVID-19. All of the patients who died from COVID-19 had metastatic BC (p=0.002). Metastatic disease (p=0.002) and chemotherapy within 7 days of COVID-19 diagnosis (p=0.024) have been associated with increased mortality. CONCLUSION Majority of BC patients with COVID-19 have a mild course, patients with risk factors that increase mortality should be followed more carefully.