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    Comparison of endoscopic and microscopic methods in stapedotomy: a retrospective analysis (Jun, 10.1007/s00405-022-07507-3, 2022)
    (Springer, 2023) Celik, Turgut; Erdur, Omer; Gul, Osman; Koca, Cigdem Firat; Colpan, Bahar
    [Abstract Not Available]
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    Endoscopic Management of Maxillary Sinus Schwannoma
    (Lippincott Williams & Wilkins, 2022) Celik, Turgut; Koca, Cigdem Firat; Aydin, Sukru
    Schwannomas are benign tumors originate from nerve sheath. In this article, the authors aimed to share our experience and review the literature on endonasal endoscopic intervention for a maxillary sinus schwannoma. A 30-year-old Caucasian female patient applying to ophthalmology clinic due to exophthalmos and proptosis in her left eye for the last 6 months. A well-defined mass was detected in left maxillary sinus that was filling and expanding the sinus. Endoscopic biopsy from the patient was reported as ancient schwannoma. The encapsulated mass was completely removed by performing a combined endoscopic medial maxillectomy and Caldwell-Luc procedure under general anesthesia. The authors have been following the patient for 2 years and there was no evidence of recurrence, however, a decrease in the volume of the maxillary sinus occurred, suggesting chronic maxillary atelectasis. In conclusion, schwannoma should be considered in the differential diagnosis of sinonasal masses.
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    Our tracheostomy results in the intensive care unit, outcomes of 199 patients
    (Bayrakol Medical Publisher, 2022) Koca, Erdinc; Koca, Cigdem Firat
    Aim: The history of tracheostomy goes back to 3600 BC. Percutaneous dilatational tracheostomy was described in 1985 by Ciaglia. Percutaneous dilatational tracheostomy is quick, less traumatic, and has fewer complications. The aim of our study was to analyze the tracheostomy results of 199 patients in our Intensive Care Units. Material and Methods: We included patients who underwent tracheostomy in our Intensive Care Units between January 2014 and December 2018 in Malatya Training and Research Hospital. A retrospective analysis was carried out for diagnosis, complications, surgical tracheostomy requirement reasons, demographics, comorbidity, ICU stay period, date of tracheostomy procedure, days to tracheostomy procedure from day of admission to ICU, days to tracheostomy procedure from initial tracheal intubation, days connected to mechanical ventilation, tracheostomy technique, urgent or elective, the final state of the patients were analyzed. Data were collected from the patients' records. The data of the study was evaluated through SPSS 'statistical package for social sciences' (spss17.0) 'program. Results: The average age of discharged patients was 56.3 years and 74.4 for the dead patient group. There was a statistically significant increase between age and mortality, and between Apache II score and mortality (p<0.05). Discussion: According to our study results, percutaneous tracheostomy is a method with a low complication rate and easy applicability. No statistically significant results were found between the time from admission to the intensive care unit to the day of tracheostomy opening, the time to stay intubated, and mortality.
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    Successful localization of abnormal parathyroid tissue with ultrasound-guided methylene blue dye injection before surgery for metastatic or recurrent thyroid cancers and parathyroid adenomas
    (W B Saunders Co-Elsevier Inc, 2023) Koca, Cigdem Firat; Yildirim, Ismail Okan; Cicek, Mehmet Turan; Aslan, Mehmet
    Objectives: A surgery to be performed on a previously operated neck includes difficulties such as increased risk of complications and prolonged operation time. The aim of the present study is to analyze the benefit of pre -anesthetic ultrasound-guided injection of methylene blue into parathyroid adenomas and abnormal lymph nodes to simplify their safe and satisfactory extraction. Methods: We analyzed the case series records of 14 patients who were operated for reoperative neck surgery due to recurrent thyroid cancer (8 patients) and parathyroid adenoma (6 patients) and in the technique; 0.2 ml of a 1:5 dilution of 1 % methylene blue solution was injected directly onto the target during real-time ultrasound guidance before the operating room. Results: In adenomas, ultrasound-guided methylene blue injection was successfully applied in all cases, an average of 33.1 min before entering the operating room (range = 28-38 min). There were no complications related to dye injection. For patients with recurrent thyroid tumors, preoperative ultrasound-guided methylene blue injection was successfully applied in all patients, on average 27.5 min before entering the operating room (range = 20-35 min). No complications occurred due to dye injection. The blue stained lesion was easily identified during surgery. Conclusions: We analyzed the feasibility of the injection process, the certainty of defining pathological lymph nodes, and the complications of the procedure. Preoperative administration of methylene blue preserved its intraoperative efficacy and maintained the easy the detection of reoperative or primary pathologies. The present study suggest that methylene blue dye injection is a safe, sufficient, and quietly effective method for identifying recurrent tumors and parathyroid adenomas in scarred reoperative neck surgeries. Our cases had comparatively short operative times and lower complication rates.
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    The effect of coronary artery bypass grafting procedure on audiovestibular system
    (Bayrakol Medical Publisher, 2023) Koca, Cigdem Firat; Koca, Erdinc
    Aim: Coronary artery bypass grafting surgery may affect end-organ perfusion. Our aim was to examine the effect of this method on audiovestibular system.Material and Methods: Patients who had CABG were called and invited. Pure tone audiometric test, c-and o-VEMP tests were performed for all participants.Results: The results at 250, 500, 2000 and 4000 Hz differed for the left ears (p=0,013, p=0,045, p=0,028, p=0,045 ) and in the right ears, p13 (p = 0.040) were differentiated among the groups and the p13-n23 amplitude was lower in the bypass group (p=0,013). In the left ear results , p13-n23 amplitude (p= 0.007) and n10-p15 amplitudes (p = 0.006) differed between the groups, and the right ear n10-p15 amplitudes were lower in the bypass group (p = 0,005). Mean n10 (p=0,006) and p15 latency were high in the bypass patients (p= 0,005).Discussion: CBAG may affect balance-connected mechanisms at varied levels and intensity.
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    The effect of the severity of COVID-19 on the sequelae of the audiovestibular system
    (Sage Publications Inc, 2023) Aydin, Sukru; Koca, Cigdem Firat; Celik, Turgut; Kelles, Mehmet; Yasar, Seyma; Oguzturk, Saadet
    Objectives: The neurotropic and neuroinvasive properties of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) have been described. It remains unknown how SARS-CoV-2 affects the audiovestibular system when it causes mild or severe disease. In this study, the sequelae effect of SARS-CoV-2 on the audiovestibular systems of different patient groups was investigated using objective and subjective test batteries. Methods: In this present study, we evaluated vestibulocochlear functions of patients who previously had Coronavirus Disease-2019 (COVID-19) with pure tone audiometry, ocular vestibular-evoked myogenic potential (o-VEMP), and cervical vestibular-evoked myogenic potential (c-VEMP) tests to identify possible sequelae by comparing them with the control group. Results: We found that the amplitude of p13-n23 was lower in both groups of patients than in the control group (p < 0.001). In the results of the left ear c-VEMP, the amplitude of p13-n23 was statistically different between the outpatient, inpatient, and control groups. The amplitude of p13-n23 was lower in both groups of patients than in the control group (p < 0.001). In the evaluation of the o-VEMP in the left ear, we observed a statistically significant difference in the latency of n10 (p = 0.006) and the amplitude of n10-p15 (p < 0.001) between the groups. The n10 latency was prolonged in both groups of patients compared to the control group and there was no statistically significant difference between groups of patients. Furthermore, the amplitude of n10-p15 was lower in both groups of patients compared to the control group and there were no statistically demonstrable differences between the groups of patients. Conclusions: In conclusion, our results suggest that SARS-CoV-2 may affect the vestibulocochlear system. But we could not find a direct relationship according to the severity of the disease.