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Article Citation - WoS: 1Citation - Scopus: 1Utilising Uniportal Video-Assisted Thoracoscopic Surgery for Pericardial Window: A 12-Year Single-Centre Experience in the Diagnosis and Treatment of Pericardial Effusion(Wolters Kluwer Medknow Publications, 2025) Agar, Mehmet; Gulcek, Ilham; Kalkan, Muhammed; Ulutas, Hakki; Celik, Muhammet RehaIntroduction:Uniportal video-assisted thoracoscopic surgery (Uni-VATS) is an effective minimally invasive technique for pericardial drainage, biopsy and window creation in cases of pericardial effusion (PE).Patients and Methods:This retrospective study evaluated 73 patients with PE who underwent pericardial window procedures between 2012 and 2024. Intraoperative and post-operative data related to Uni-VATS were assessed.Results:The mean age of the patients was 53.79 +/- 17.79 years (10-82 years), with 34 (46.6%) females and 39 (53.4%) males. The mean volume of pericardial fluid drained after window creation was 446.23 +/- 199.81 cc (75-1100 cc). The mean operation time was 42.87 +/- 12.79 min, and chest drain removal occurred after an average of 1.8 +/- 1.2 days. The mean duration until discharge or referral to the follow-up clinic was 5.98 +/- 2.14 days. In addition to the pericardial window procedure, pleural biopsy was performed in 12 patients, mediastinal mass biopsy in eight patients and wedge resection for parenchymal nodules in six patients. Microbiologic and virologic cultures of the fluids were negative in all cases. Among the 41 patients with benign cytology, pericardial biopsy results indicated tuberculosis in four patients (5.4%), amyloidosis in one patient (1.3%) and chronic or subacute nonspecific pericarditis in the remaining patients.Conclusion:Uni-VATS is a novel and safe technique that may be the preferred choice for pericardial window due to its diagnostic and therapeutic efficacy, ability to perform simultaneous procedures, favourable impact on operation duration/hospital stay, low complication rates and superiority compared to traditional methods.Article The Prognostic Impact of 18F-FDG PET SUVmax in Patients with Non-Small Cell Lung Cancer(Bayrakol Medical Publisher, 2026) Gulcek, Ilham; Agar, Mehmet; Kalkan, Muhammed; Celik, Muhammet Reha; Ulutas, HakkiAim: The maximum standardized uptake value (SUVmax) of 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET) enhances clinical prediction in non-small cell lung cancers (NSCLC). This study aimed to investigate whether SUVmax could serve as a prognostic factor and improve clinical prognostication. Methods: This retrospective study included 86 patients with NSCLC who underwent surgical resection. Using receiver operating characteristic (ROC) analysis, the SUVmax cut-off value was 12.3. Patients with SUVmax values below 12.3 were classified as Group A, while those with values above 12.3 were designated as Group B. Survival analyses were performed using the Kaplan-Meier method. Overall survival was defined as the time from diagnosis to death. Confidence intervals were reported at 95%, and a p-value of <0.05 was considered statistically significant. The variables analyzed for survival included gender, age, surgical approach, histopathological subtype of lung cancer, cancer stage, T score, and N score. Results: Survival analyses revealed statistically significant associations between SUVmax and age (p=0.043), gender (p=0.060), surgical approach (p=0.037), and histopathological subtype (p=0.026). Due to insufficient sample size within subgroups, separate p-values were calculated for each stage, T score, and N score. Based on the obtained p-values, no statistically significant correlation was found between SUVmax and overall survival across different stages, T scores, or N scores, except for stage 1A and T1b. Conclusion: SUVmax contributes to determining appropriate diagnostic and treatment protocols and aids in predicting the prognosis of the disease.
