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    Transcervical mediastinoscopy in patients with a permanent tracheostomy: is it feasible?
    (Oxford Univ Press, 2019) Cansever, Levent; Seyrek, Yunus; Kutluk, Ali Cevat; Akın, Hasan; Kocatürk, Celalettin İbrahim; Bedirhan, Mehmet Ali
    OBJECTIVES: Cervical mediastinoscopy may become essential in patients with pathological lymph nodes at mediastinum after laryngectomy. However, having had a previous tracheostomy has been reported to be a contraindication for cervical mediastinoscopy. METHODS: Between January 2010 and December 2017, cervical mediastinoscopy was performed for lung cancer staging in 1985 patients at the Department of Thoracic Surgery, Yedikule Chest Diseases and Thoracic Surgery Education and Research Hospital, Istanbul, Turkey. Eighteen of these patients (1%) had a permanent tracheostomy after total laryngectomy and cervical radiotherapy due to laryngeal carcinoma. RESULTS: Cervical mediastinoscopy was performed in 18 patients with a permanent tracheostomy after total laryngectomy. The negative predictive value of cervical mediastinoscopy was 13/14 (93%). The average operative time was 63min (SD 12.0, range 50-90min). The negative predictive value of endobronchial ultrasonography was 4/7 (57%). Positron emission tomography-computed tomography had a positive predictive value of 3/15 (20%) and a negative predictive value of 2/3 (67%). CONCLUSIONS: Contrary to the claims of 2 textbooks, cervical mediastinoscopy is a viable method for patients with a tracheostomy after laryngectomy. The negative predictive values of standard cervical mediastinoscopy and mediastinoscopy for patients with a tracheostomy after total laryngectomy are approximately equivalent. Our results indicate that cervical mediastinoscopy is a feasible method in patients with a permanent tracheostomy when applied by experienced thoracic surgeons in specialized hospitals.
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    Unexpected conversion to thoracotomy during thoracoscopic lobectomy: a single-center analysis
    (Springer Japan Kk, 2019) Sezen, Celal Buğra; Bilen, Salih; Kalafat, Cem Emrah; Cansever, Levent; Sönmezoğlu, Yaşar; Kilimci, Umut; Doğru, Mustafa Vedat; Seyrek, Yunus; Kocatürk, Celalettin İbrahim
    Background The aim of this study was to discuss indications and outcomes for conversion to thoracotomy during thoracoscopic lobectomy. Materials and methods Patients who underwent lobectomy for non-small cell lung cancer between January 2012 and December 2016 were evaluated retrospectively. The study included 129 patients who underwent video-assisted thoracoscopic lobectomy (group-V) and 18 patients converted from thoracoscopic lobectomy to thoracotomy due to unexpected intraoperative complications (group-T). Results The two patient groups showed no statistical differences in terms of demographic characteristics. Causes of unexpected conversions to thoracotomy were hemorrhage in six patients, dense pleural adhesions in seven patients, fused fissure in one patient, and fibrocalcified lymph nodes around the vascular structures in four patients. Operative time was 180.37 +/- 68.6 min in group-V and 235 +/- 72.6 min in group-T (p = 0.003). Intraoperative blood loss was 263.9 +/- 180.6 mL in group-V, compared to 562.7 +/- 296.2 mL in group-T (p < 0.001). Patient age >= 70 years was a significant risk factor for conversion to thoracotomy (p = 0.015, odds ratio 4.73). The 5-year survival rate in group-V was 71.4% {mean: 65.2 months [95% confidence interval (CI) 59.6-70.8]}, while that in group-T was 80% [mean 54.9 months (95% CI 45.9-63.8)] (p = 0.548). Conclusion Advanced age was identified as the main risk factor for conversion to thoracotomy. However, early- and long-term outcomes were similar in the two groups, indicating that video-assisted thoracoscopic surgery is a safe and applicable method.