TY - JOUR AU - Ghorbani, Jahangir AU - Doraneh-Gard, Fatemeh AU - Mirtajani, Seyed Bashir AU - Shirvani, Mohammad AU - Golestani Eraghi, Majid AU - Seied-Mohammad Doulabi, Seied-Reza AU - Jahangirifard, Alireza TI - Effects of N95 Masks on Cerebral Oxygen Saturation and End-Tidal Carbon Dioxide Partial Pressure in Healthcare Workers JF - ANESTHESIOLOGY AND PAIN MEDICINE J2 - ANESTH PAIN MED VL - 13 PY - 2023 IS - 5 SP - 1 SN - 2228-7523 DO - 10.5812/aapm-135081 UR - https://m2.mtmt.hu/api/publication/34309338 ID - 34309338 AB - Background: Healthcare workers must wear masks throughout their shifts, especially those in operating rooms for long periods. Objectives: This study evaluated the effects of wearing N95 masks on blood and cerebral oxygen saturation levels for three hours. Methods: The present case-control study enrolled 20 operating room workers wearing N95 masks. Their blood oxygen saturation (SaO2), end-tidal carbon dioxide partial pressure (PETCO2), and right- and left-sided cerebral oxygenation (rSO2) were measured in the beginning (0 h) and after wearing N95 masks for one and three hours. Results: Wearing a mask affected PETCO2, rSO2, and pulse rate and caused fatigue and lightheadedness in some cases. The participants' mean PETCO2 increased significantly, from 32 mmHg before putting on a mask to 38 mmHg after wearing it for three hours (P < 0.05). No significant change was observed in the participants' mean rSO2, though changes in their rSO2 levels were recorded (P > 0.05). Conclusions: We showed evidence of changes in different physiology parameters due to using masks for 1 to 3 h. Notably, wearing an N95 mask increased end-tidal carbon dioxide partial pressure and decreased cerebral oxygen saturation in individual cases, not all cases. LA - English DB - MTMT ER - TY - JOUR AU - Mermer, A. AU - Kozanhan, B. TI - Comparison of the effects of low-flow and normal-flow anesthesia on intracranial pressure, cerebral oxygenation and bispectral index in laparoscopic cholecystectomy operation JF - EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES J2 - EUR REV MED PHARMACOL SCI VL - 27 PY - 2023 IS - 18 SP - 8514 EP - 8522 PG - 9 SN - 1128-3602 UR - https://m2.mtmt.hu/api/publication/34620212 ID - 34620212 AB - OBJECTIVE: Pneumoperitoneum in laparoscopic surgeries can raise intracranial pressure (ICP). Low-flow anesthesia offers benefits such as improved clearance, temperature preservation, fluid reduction, cost savings, and lower emissions. However, the impact of low-flow anesthesia on ICP during laparoscopic cholecystectomy remains unclear. This study aimed to compare the effects of low-flow anesthesia (0.75 l/min) to those of normal-flow anesthesia (1.5 l/ min) on optic nerve sheath diameter (ONSD) in laparoscopic cholecystectomy patients.PATIENTS AND METHODS: A total of 80 elective laparoscopic cholecystectomy patients were included in the study. Patients were randomly allocated (1:1) into two study groups: a low-flow anesthesia group and a normal-flow group. ONSD, BIS, left and right rSO2, SAP, DAP, MAP, HR, SpO2, EtCO2, peak inspiratory pressure (P-Peak), Mini-Mental State Exam (MMSE), and duration of surgery were recorded.RESULTS: The results showed that low-flow anesthesia (0.75 l/min) during laparoscopic cholecystectomy had a preventive effect on the increase in ONSD at 30 minutes (T4) into the operation (p = 0.014). BIS values of left and right rSO2 during the preoperative and intraoperative periods were similar.CONCLUSIONS: In conclusion, low-flow anesthesia during laparoscopic cholecystectomy may benefit ICP by preventing an increase in ONSD. LA - English DB - MTMT ER - TY - JOUR AU - Singh, Jagriti AU - Karandikar, Gayatri AU - Zirpe, Kaustubh AU - Govardhane, Balasaheb TI - Bilateral cerebral oxygen saturation monitoring in carotid body tumour excision under general anaesthesia: a case report JF - INTERNATIONAL JOURNAL OF RESEARCH IN MEDICAL SCIENCES J2 - IJRMS VL - 1 PY - 2023 SP - 1 SN - 2320-6071 DO - 10.18203/2320-6012.ijrms20230681 UR - https://m2.mtmt.hu/api/publication/33705118 ID - 33705118 AB - Carotid Body tumour is an uncommon non-chromaffin paraganglioma arising from chemoreceptor cells at the external and internal carotid artery bifurcation. The reported incidence is 1-2 cases per 1,00,000 population. Surgical excision is extremely difficult and possess challenges to both surgeon and the anaesthetist. We report here a case of CBT excision with the use of cerebral oximetry to reduce the chances of intra-operative cerebral ischemia. LA - English DB - MTMT ER - TY - JOUR AU - Onur, Tuğba AU - Karaca, Ümran AU - Ata, Filiz AU - Sayan, Halil E. AU - Onur, Anıl AU - Yilmaz, Canan AU - Balkaya, Ayşe N. AU - Eriş, Cüneyt TI - Intraoperative hyperoxygenation may negatively affect postoperative cognitive functions in coronary artery bypass graft operations: A randomized controlled study JF - JOURNAL OF CARDIAC SURGERY J2 - J CARD SURG VL - 1 PY - 2022 SP - 1 SN - 0886-0440 DO - 10.1111/jocs.16661 UR - https://m2.mtmt.hu/api/publication/32872043 ID - 32872043 LA - English DB - MTMT ER - TY - JOUR AU - Tribuddharat, Sirirat AU - Ngamsaengsirisup, Kriangsak AU - Mahothorn, Phatcharakamon AU - Sathitkarnmanee, Thepakorn TI - Correlation and agreement of regional cerebral oxygen saturation measured from sensor sites at frontal and temporal areas in adult patients undergoing cardiovascular anesthesia JF - PEERJ J2 - PEERJ VL - 10 PY - 2022 SN - 2167-8359 DO - 10.7717/peerj.14058 UR - https://m2.mtmt.hu/api/publication/33097148 ID - 33097148 LA - English DB - MTMT ER - TY - JOUR AU - Pinto, Nuno AU - Goncalves, Helena AU - Silva, Ricardo AU - Duarte, Marta AU - Gama, Jorge AU - Pato, Maria Vaz TI - Theta burst stimulation over the prefrontal cortex: Effects on cerebral oximetry and cardiovascular measures in healthy humans JF - NEUROSCIENCE LETTERS J2 - NEUROSCI LETT VL - 752 PY - 2021 PG - 8 SN - 0304-3940 DO - 10.1016/j.neulet.2021.135792 UR - https://m2.mtmt.hu/api/publication/32441512 ID - 32441512 AB - Theta Burst Stimulation (TBS) is a non-invasive neurophysiological technique, able to induce changes in synaptic activity. Research suggests that TBS may induce changes in cerebral oxygenation, cerebral blood flow, blood pressure and heart rate but there are conflicting results across studies. Thus, the objective of our sham-controlled study is to evaluate if TBS applied to the dorsolateral prefrontal cortex (DLPFC) of healthy volunteers produces changes in cerebral oximetry, heart rate and blood pressure. Forty-nine volunteers of both sexes were randomly allocated to one of five stimulation groups. Before and after real TBS or sham stimulation, blood pressure, heart rate, and cerebral oxygenation of the volunteers were measured. Cerebral oxygenation values were obtained with a near infra-red spectroscopy system. We found a significant reduction in left cortex oximetry after continuous TBS (cTBS) over the left DLPFC (p = 0.039) and a non-significant reduction in right cortex oximetry (p = 0.052). Right hemisphere inhibition (using cTBS) seemed to originate a significant reduction of 8 mmHg in systolic arterial pressure. No other changes were seen in oximetry, cardiac frequency and diastolic arterial pressure. In our group of normal subjects, cTBS applied to the left DLPFC was able to reduce oxygenation in the left cortex. Right hemisphere inhibition was associated with a significant reduction in systolic pressure. LA - English DB - MTMT ER - TY - JOUR AU - Bielykh, Olena TI - THE IMPORTANCE OF NON-INVASIVE REGIONAL BRAIN OXIMETRY IN PREVENTING POSTOPERATIVE COGNITIVE DYSFUNCTION DURING LAPAROSCOPIC CHOLECYSTECTOMY IN ELDERLY AND SENILE PATIENTS JF - EUREKA: Health Sciences VL - 4 PY - 2020 SP - 11 EP - 17 PG - 7 SN - 2504-5679 DO - 10.21303/2504-5679.2020.001351 UR - https://m2.mtmt.hu/api/publication/31394908 ID - 31394908 LA - English DB - MTMT ER - TY - JOUR AU - Murniece, Sniedze AU - Soehle, Martin AU - Vanags, Indulis AU - Mamaja, Biruta TI - Regional Cerebral Oxygen Saturation Monitoring during Spinal Surgery in Order to Identify Patients at Risk for Cerebral Desaturation JF - APPLIED SCIENCES-BASEL J2 - APPL SCI-BASEL VL - 10 PY - 2020 IS - 6 PG - 1 SN - 2076-3417 DO - 10.3390/app10062069 UR - https://m2.mtmt.hu/api/publication/31259109 ID - 31259109 LA - English DB - MTMT ER - TY - JOUR AU - Akbas, Sedat AU - Ozkan, Ahmet Selim TI - Comparison of effects of low-flow and normal-flow anesthesia on cerebral oxygenation and bispectral index in morbidly obese patients undergoing laparoscopic sleeve gastrectomy: a prospective, randomized clinical trial JF - VIDEOSURGERY AND OTHER MINIINVASIVE TECHNIQUES / WIDEOCHIRURGIA I INNE TECHNIKI MALO INWAZYJNE J2 - WIDEOCHIRURGIA TEC M VL - 14 PY - 2019 IS - 1 SP - 19 EP - 26 PG - 8 SN - 1895-4588 DO - 10.5114/wiitm.2018.77265 UR - https://m2.mtmt.hu/api/publication/30466827 ID - 30466827 AB - Introduction: The effects of low-flow anesthesia on cerebral oxygenation in high-risk, morbidly obese patients are not well known. LA - English DB - MTMT ER - TY - JOUR AU - Celik, Erkan Cem AU - Ciftci, Bahadir TI - CEREBRAL OXIMETRY AND APPLICATIONS UNDER ANESTHESIA JF - JOURNAL OF ISTANBUL FACULTY OF MEDICINE-ISTANBUL TIP FAKULTESI DERGISI J2 - J ISTANB FAC MED VL - 81 PY - 2018 IS - 1 SP - 33 EP - 36 PG - 4 SN - 1305-6433 UR - https://m2.mtmt.hu/api/publication/27562106 ID - 27562106 LA - Turkish DB - MTMT ER -