Publications by authors named "Derya Ozden Omaygenc"

5 Publications

  • Page 1 of 1

Comparison of Thoracic Epidural and Intravenous Analgesia from the Perspective of Recovery of Respiratory Function in the Early Post-Thoracotomy Period in Lung Cancer Surgery.

Turk Thorac J 2021 Jan 1;22(1):31-36. Epub 2021 Jan 1.

Department of Thoracic Surgery, Şişli Memorial Hospital, İstanbul, Turkey.

Objective: Thoracic epidural analgesia (TEA) reduces pulmonary complications after thoracotomy. Hypothetically, this advantage is partially because of the preserved pulmonary function, which is achieved by the reduction of postoperative pain and immobility. This study aimed to compare the principal methods of analgesia through early postoperative spirometric performance and gas exchange parameters after elective lung cancer surgery. TEA or intravenous analgesia (IVA) involving pethidine was used as the principal method in our sample population.

Material And Methods: A total of 62 patients operated via the posterolateral thoracotomy approach were enrolled. Postoperative analgesia was secured using multimodal analgesia with either TEA with 0.1% bupivacaine or IVA. Pain perception was assessed with the visual analog scale (VAS) while at rest and on coughing. Arterial blood samples were collected at 1, 24, and 72 hours postoperatively. Preoperative and third postoperative day spirometric measurements were recorded.

Results: There were no significant differences among the groups in terms of demographic characteristics, properties of surgical technique, and disease-associated conditions. VAS scores of the TEA group were lower at the 72-hour follow-up, but a considerable fraction of these differences did not reach statistical significance. Reduction in the forced expiratory volume in the first second and forced vital capacities was more prominent in the IVA group on the third postoperative day, but these were not statistically significant either. Oxygenation parameters favored TEA but remained comparable. Finally, the pH values were significantly lower in the IVA group at 1 and 72 hours postoperatively (p=0.008 and p=0.02, respectively).

Conclusion: We believe that TEA is advantageous over IVA with alteration of respiratory volumes during the early postoperative period.
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January 2021

The role of video-based multimedia information in reduction of anxiety before dilatation and curettage.

North Clin Istanb 2021 23;8(1):76-81. Epub 2020 Nov 23.

Department of Anesthesiology and Reanimation, Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Istanbul, Turkey.

Objective: Considerable amount of women undergoing dilatation and curettage (D&C) are subject to preoperative anxiety. We hypothesized that the implementation of video-based multimedia information (MMI) before the D&C might facilitate patients' education and provide clear information regarding the procedure. This study aimed to compare the impact of video-based MMI and conventional written information on anxiety, pain severity, and satisfaction in patients undergoing D&C.

Methods: Seventy four women scheduled for D&C for abnormal uterine bleeding were enrolled in this prospective randomized study. Subjects were assigned to receive a video-based MMI or conventional written information (controls). The trait and state anxiety were assessed using the State and Trait Anxiety Inventory (STAI) before the MMI or written information. STAI-state (STAI-S) was repeated after the application of the MMI or written information. All patients underwent D&C by the same gynecologist. Following D&C, patient satisfaction and procedural pain were ranked using a Likert scale and Visual Analogue Scale.

Results: Post-informational STAI-S score was significantly lower than the pre-informational STAI-S score in the video group (p<0.001), whereas no significant change occurred in STAI-S score in the control group (p=0.210). The satisfaction rate of the patients receiving MMI before the D&C was significantly higher than the satisfaction rate of the controls (75% vs. 50%, p=0.027).

Conclusion: Implementation of MMI before the D&C procedure is associated with less anxiety, less severe postoperative pain and improved patients satisfaction, compared to the conventional written information.
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November 2020

Recovery process and determinants of adverse event occurrence in bronchoscopic procedures performed under general anaesthesia.

Clin Respir J 2018 Jul 7;12(7):2277-2283. Epub 2018 May 7.

Department of Chest Diseases, Yedikule Chest Diseases and Thoracic Surgery Ed. & Research Hospital, Istanbul, Turkey.

Objective: Regarding the fact that rigid bronchoscopy is generally performed under general anaesthesia and this patient subgroup is remarkably morbid, encountering procedure and/or anaesthesia related complications are highly likely. Here, we aimed to assess factors influencing recovery and detect possible determinants of adverse event occurrence during these operations performed in a tertiary referral centre.

Methods: Eighty-one consecutive ASA I-IV patients were recruited for this investigation. In the operating theatre after induction of anaesthesia and advancement of the device, maintenance was provided with total intravenous anaesthesia. Neuromuscular blockage was invariably administered, and patients were ventilated manually. In addition to preoperative demographic and procedural characteristics, perioperative hemodynamic variables, recovery times and observed adverse events were noted.

Results: Basic demographic properties, ASA and Mallampati scores, and procedure specific variables as lesion localization, lesion and procedure type were comparable among groups assembled with reference to event occurrence. Patients who had experienced adverse event had higher heart rates. Recovery times were comparable between Event (-) and Event (+) groups. Relationship of recovery process were individually tested with all variables and only lesion type was detected to have an effect on respiration and extubation times. Among all parameters only procedural time seemed to be associated with adverse event occurrence (mins, 22.9 ± 11.9 vs 41.6 ± 28.8, P < .001).

Conclusion: Recovery times related with return of spontaneous respiration were significantly lower in procedures performed for treatment of tumoral diseases in this study and procedure length was determined to be the ultimate factor which had an impact on adverse event occurrence.
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July 2018

Type of anesthesia affects neonatal wellbeing and frequency of transient tachypnea in elective cesarean sections.

J Matern Fetal Neonatal Med 2015 Mar 12;28(5):568-72. Epub 2014 Jun 12.

Department of Anesthesiology, Yedikule Pulmonary Diseases and Thoracic Surgery Research Hospital , Istanbul , Turkey .

Objective: We aimed to assess whether the type of anesthesia in cesarean section (C/S) (spinal anesthesia, SA versus general anesthesia, GA) has an effect or not on umblical vein blood gas analysis and APGAR scores of term neonates and development of transient tachypnea of the newborn (TTN).

Methods: The data of 172 procedure (85, GA versus 87, SA) were collected retrospectively. Results of umblical vein blood gas analysis, APGAR scores at first and fifth minutes and presence of TTN from in-hospital files' of neonates were examined.

Results: Neonates in the SA group had significantly higher first and fifth minute APGAR scores (8, 7 versus 9, 2, p < 0.001 and 9, 3 versus 10, 2, p = 0.017, respectively). The pH value of umblical vein samples were higher (7.30 ± 0.05 versus 7.32 ± 0.05, p = 0.029) and pO2 and SaO2 levels were significantly lower in the SA group (34.8 ± 13.8 mmHg versus 27.6 ± 14.5 mmHg; p = 0.001 and 56.6% ± 18.7 versus 49.8% ± 21.4; p = 0.029, respectively) as compared to the GA group. Thirteen neonates in the GA group (15.3%) and five in the SA group (5.7%) were diagnosed as TTN (p = 0.048).

Conclusion: In our study, considerable determinants of fetal wellbeing was stated to be higher in C/S performed under SA in comparison to GA. Furthermore, our findings favor SA for avoidance of TTN.
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March 2015

A rare tumor of trachea: Inflammatory myofibroblastic tumor diagnosis and endoscopic treatment.

Respir Med Case Rep 2014 5;13:57-60. Epub 2014 Nov 5.

Yedikule Chest Diseases and Thoracic Surgery Training and Research Hospital, Department of Pathology, İstanbul 34020, Turkey.

Inflammatory myofibroblastic tumors (IMTs) are rare childhood neoplasms, with benign clinical course. Although etiology of IMTs are not clear, recent studies have reported that IMT is a true neoplasm rather than a reactive or inflammatory lesion. IMTs are rarely seen in adults and tracheal involvement is also rare both in adults and also in children. We describe a 16-year old female patient who was misdiagnosed and treated as asthma in another center for a few months and presented with acute respiratory distress due to upper airway obstruction. Computerized tomography (CT) of the chest and rigid bronchoscopy revealed a mass lesion that was nearly totally obliterating tracheal lumen. Bronchoscopic resection was performed under general anesthesia and the final pathological diagnosis was tracheal IMT.
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June 2015