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Rao JK, Chhabra S, Mohammed S, Bhatia PK, Goyal S, Kumar R. Comparison of the effects of dexmedetomidine and nitroglycerin on cerebral oxygen saturation using near-infrared spectroscopy in patients undergoing controlled hypotensive anaesthesia: A randomised controlled non-inferiority trial. Indian J Anaesth 2024; 68:254-260. [PMID: 38476554 PMCID: PMC10926346 DOI: 10.4103/ija.ija_712_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/07/2024] [Accepted: 01/11/2024] [Indexed: 03/14/2024] Open
Abstract
Background and Aims There is limited literature wherein the hypotensive drugs have been compared to know the cerebral effects by monitoring regional cerebral oxygen saturation (rScO2). This study aimed to compare the effects of dexmedetomidine and nitroglycerin on rScO2 during controlled hypotensive anaesthesia using near-infrared spectroscopy (NIRS). The primary objective was to evaluate the non-inferiority of dexmedetomidine versus nitroglycerin in the occurrence of cerebral desaturation events (CDEs) during hypotensive anaesthesia. Methods Adult patients scheduled to undergo head and neck surgery under general anaesthesia randomised to receive either dexmedetomidine or nitroglycerin infusion for controlled hypotensive anaesthesia. Cerebral oximetry was monitored with NIRS, and data regarding CDEs, bilateral rScO2, and peri-operative haemodynamics were collected. Continuous data were analysed using unpaired Student's t-tests except for intra-group analyses, which were analysed using paired t-tests. Categorical data were analysed using the Chi-square test. For comparison of time to CDEs, Kaplan-Meier survival analysis with log-rank test was performed. Results Of the 82 patients in both groups, CDEs were observed in 15 patients each. A decrease from baseline by 20% was observed in three patients: one in Group N and two in Group D. Statistically, there was an equal risk of getting CDEs in the groups. The time to CDE was comparable (P > 0.05). The difference in heart rate was statistically significant (P < 0.001). Conclusion Dexmedetomidine is non-inferior to nitroglycerin in terms of the occurrence of cerebral desaturation events when used for controlled hypotensive anaesthesia in head and neck surgeries.
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Affiliation(s)
- J. Koteswara Rao
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Swati Chhabra
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Sadik Mohammed
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Pradeep K. Bhatia
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Shilpa Goyal
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Rakesh Kumar
- Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
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Stasiowski MJ, Zmarzły N, Grabarek BO, Gąsiorek J. Postoperative Nausea and Vomiting following Endoscopic Sinus Surgery under the Guidance of Adequacy of Anesthesia or Pupillometry with Intravenous Propofol/Remifentanil. Pharmaceuticals (Basel) 2023; 17:2. [PMID: 38275988 PMCID: PMC10818977 DOI: 10.3390/ph17010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/22/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
Postoperative nausea and vomiting (PONV) constitutes an adverse event after endoscopic sinus surgery (ESS) under general anesthesia (GA) with intravenous opioids, such as remifentanil (RMF). Monitoring the nociception/antinociception balance using the surgical pleth index (SPI) or pupillary dilatation reflex (PRD) helps guide intravenous RMF infusion. We aimed to investigate whether their employment could help reduce the incidence of PONV in patients undergoing ESS. The data of 30 patients from the GA group, 31 from the SPI group, and 28 from the PRD group were analyzed. The initial RMF infusion rate of 0.25 µg/kg body weight/minute was increased by 50% when the SPI, PRD, or Boezaart Bleeding Scale (BBS) were elevated by >15, >5%, or >2 points, respectively, until they normalized. PONV was present in 7/89 patients (7.9%): 2/31 patients (6.5%) of the SPI group, 1/30 patients (3.3%) of the GA group, and 4/28 patients (14.3%) of the PRD group. Neither PRD nor SPI guidance for RMF administration reduced the incidence of PONV compared to standard practice. Further studies are required in order to investigate the possibility of PONV eradication in patients undergoing ESS under GA when it is possibly combined with paracetamol/metamizole preventive analgesia, as well as those using antiemetic prophylaxis based on the Apfel Score and premedication with midazolam.
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Affiliation(s)
- Michał J. Stasiowski
- Chair and Department of Emergency Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-808 Katowice, Poland;
- Department of Anaesthesiology and Intensive Care, 5th Regional Hospital, 41-200 Sosnowiec, Poland
| | - Nikola Zmarzły
- Collegium Medicum, WSB University, 41-300 Dabrowa Gornicza, Poland; (N.Z.); (B.O.G.)
| | | | - Jakub Gąsiorek
- Chair and Department of Emergency Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-808 Katowice, Poland;
- Department of Anaesthesiology and Intensive Care, 5th Regional Hospital, 41-200 Sosnowiec, Poland
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Zhao Y, Zang C, Ren S, Fu J, Liu N, Zhou Z, Lang B. Effects of different levels of controlled hypotension on regional cerebral oxygen saturation and postoperative cognitive function in patients undergoing total knee arthroplasty. Front Med (Lausanne) 2022; 9:989341. [PMID: 36186818 PMCID: PMC9515465 DOI: 10.3389/fmed.2022.989341] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
Background Controlled hypotension technique was usually used to reduce intraoperative bleeding, and it could improve visualization of the surgical field during total knee arthroplasty (TKA). However, inappropriate controlled hypotension, through reducing cerebral blood flow or cerebral perfusion pressure, may cause postoperative cognitive dysfunction (POCD), so it is important to identify the appropriate level of controlled hypotension. Objective: To investigate the effects of different levels of controlled hypotension on regional cerebral oxygen saturation and postoperative cognitive function in patients undergoing TKA. Methods Patients meeting inclusion criteria were enrolled through preoperative visits and basic information was obtained. The patients were randomly divided into three groups: Group A, MAP was maintained at 90–100% of the baseline; Group B, MAP was maintained at 80–90% of the baseline; Group C, MAP was maintained at 70–80% of the baseline. The MAP, HR, and rSO2 were observed and recorded during the operation. The C-reactive protein (CRP), hemoglobin (Hb) and MMSE score at 1, 3, and 7 days after operation were recorded. SPSS25.0 was used for data analysis. Result When the MAP had a decrease among the three groups, rSO2 did not decrease significantly, and none of the patients experienced POCD which was measured by MMSE. And there was no correlation between the decline in rSO2 and that in MAP. Conclusion No POCD was experienced in the three groups, and we recommend that the controlled hypotensive target indicated by MAP was maintained at 70–80% of the baseline which not only decreases intraoperative bleeding and improve the quality of the surgical field, but also is still within safe levels.
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Affiliation(s)
- Yajuan Zhao
- Department of Anesthesiology, Weifang People’s Hospital, Weifang, China
| | - Chuanbo Zang
- School of Anesthesiology, Weifang Medical University, Weifang, China
| | - Shengjie Ren
- School of Anesthesiology, Weifang Medical University, Weifang, China
| | - Jianbin Fu
- The 80th Group Army Hospital of the Chinese People’s Liberation Army, Weifang, China
| | - Ning Liu
- Department of Anesthesiology, Weifang People’s Hospital, Weifang, China
| | - Ziyu Zhou
- The 80th Group Army Hospital of the Chinese People’s Liberation Army, Weifang, China
| | - Bao Lang
- Department of Anesthesiology, Weifang People’s Hospital, Weifang, China
- *Correspondence: Bao Lang,
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Zhang L, Yu Y, Xue J, Lei W, Huang Y, Li Y, Sun J. Effect of Deliberate Hypotension on Regional Cerebral Oxygen Saturation During Functional Endoscopic Sinus Surgery: A Randomized Controlled Trial. Front Surg 2021; 8:681471. [PMID: 34568412 PMCID: PMC8456080 DOI: 10.3389/fsurg.2021.681471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 08/10/2021] [Indexed: 01/13/2023] Open
Abstract
Background: Deliberate hypotension can reduce bleeding and improve visualization of the surgical field during functional endoscopic sinus surgery (FESS). However, hypotension may cause brain hypoperfusion and subsequent ischemic injuries, such as delayed awakening, stroke, postoperative delirium, and postoperative cognitive dysfunction. Near-infrared spectroscopy (NIRS) can be used to monitor real-time regional cerebral oxygen saturation (rSO2) levels to estimate brain perfusion. The present study aimed to evaluate the change in rSO2 induced by deliberate hypotension during FESS, and assess the impact of deliberate hypotension on the surgical process. Material and Methods: A randomized controlled trial was registered with the Chinese clinical trial registry (ChiCTR2000039846). A total of 40 patients were enrolled and randomly divided into the control and intervention groups, and finally, 39 patients were analyzed. Deliberate hypotension was induced in the intervention group using nicardipine and esmolol, whereas the control group received general anesthesia without deliberate hypotension. We recorded mean arterial pressure (MAP), saturation of pulse oximetry (SpO2), rSO2, and heart rate (HR) before induction of anesthesia (T0), immediately after induction of anesthesia (T1), at the beginning of the operation (corresponding with the establishment of deliberate hypotension) (T2), 10 min (T3) and 20 min (T4) after the operation began, at the end of the operation (corresponding with the end of deliberate hypotension) (T5), and 5 min (T6) and 15 min (T7) after the operation. The partial pressure of end-tidal carbon dioxide (PetCO2) was recorded at T1, T2, T3, T4, T5, and T6. The duration of surgery, intraoperative blood loss, tracheal extubation time, and the number of patients that experienced cerebral desaturation events (CDEs) were recorded. The surgical field was estimated postoperation based on the Fromme score. Results: A 30% decrease from the baseline MAP resulted in a decrease of intraoperative bleeding, improvement in the quality of the surgical field, and the shortening of the duration of surgery during FESS in the intervention group compared with the control group. In addition, rSO2 was reduced and no CDEs were experienced in the intervention group. Linear regression analysis demonstrated a correlation between the decline in rSO2 and that in MAP. Conclusions: A decrease in MAP to a certain level will cause a decrease of rSO2 in patients undergoing FESS under general anesthesia. Based on our findings, we recommend that the deliberate hypotensive target indicated by MAP be reduced by 30%, while PetCO2 is maintained at 35–40 mmHg and HR is maintained at about 60 beats per minute during FESS.
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Affiliation(s)
- Ling Zhang
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University School of Medicine, Hangzhou, China
| | - Yang Yu
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University School of Medicine, Hangzhou, China
| | - Juan Xue
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University School of Medicine, Hangzhou, China
| | - Weiping Lei
- Department of Anesthesia, Hangzhou First People's Hospital Affiliated to Zhejiang University School of Medicine, Hangzhou, China
| | - Yaqin Huang
- Department of Anesthesia, Hangzhou First People's Hospital Affiliated to Zhejiang University School of Medicine, Hangzhou, China
| | - Yong Li
- Department of Anesthesia, Hangzhou First People's Hospital Affiliated to Zhejiang University School of Medicine, Hangzhou, China
| | - Jianliang Sun
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University School of Medicine, Hangzhou, China
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Lyson T, Kisluk J, Alifier M, Politynska-Lewko B, Sieskiewicz A, Kochanowicz J, Reszec J, Niklinski J, Rogowski M, Konopinska J, Mariak Z, Carrau RL. Transnasal endoscopic skull base surgery in the COVID-19 era: Recommendations for increasing the safety of the method. Adv Med Sci 2021; 66:221-230. [PMID: 33744516 PMCID: PMC7931688 DOI: 10.1016/j.advms.2021.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/03/2021] [Accepted: 03/01/2021] [Indexed: 12/18/2022]
Abstract
Transnasal endoscopic skull base surgery (eSBS) has been adopted in recent years, in great part to replace the extended procedures required by external approaches. Though sometimes perceived as "minimally invasive", eSBS still necessitates extensive manipulations within the nose/paranasal sinuses. Furthermore, exposure of susceptible cerebral structures to light and heat emanated by the telescope should be considered to comprehensively evaluate the safety of the method. While the number of studies specifically targeting eSBS safety still remains scarce, the problem has recently expanded with the SARS-CoV-2 pandemic, which also has implications for the safety of the surgical personnel. It must be stressed that eSBS may directly expose the surgeon to potentially high volumes of virus-contaminated aerosol. Thus, the anxiety of both the patient and the surgeon must be taken into account. Consequently, safety requirements must follow the highest standards. This paper summarizes current knowledge on SARS-CoV-2 biology and the peculiarities of human immunology in respect of the host-virus relationship, taking into account the latest information concerning the SARS-CoV-2 worrisome affinity for the nervous system. Based on this information, a workflow proposal is offered for consideration. This could be useful not only for the duration of the pandemic, but also during the unpredictable timeline involving our coexistence with the virus. Recommendations include technical modifications to the operating theatre, personal protective equipment, standards of testing for SARS-CoV-2 infection, prophylactic pretreatment with interferon, anti-IL6 treatment and, last but not least, psychological support for the patient.
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Affiliation(s)
- Tomasz Lyson
- Department of Interventional Neurology, Medical University of Bialystok, Bialystok, Poland; Department of Neurosurgery, Medical University of Bialystok, Bialystok, Poland
| | - Joanna Kisluk
- Department of Clinical Molecular Biology, Medical University of Bialystok, Bialystok, Poland
| | - Marek Alifier
- Department of Clinical Immunology, Medical University of Bialystok, Bialystok, Poland
| | - Barbara Politynska-Lewko
- Department of Human Philosophy and Psychology, Medical University of Bialystok, Bialystok, Poland
| | - Andrzej Sieskiewicz
- Department of Otolaryngology, Medical University of Bialystok, Bialystok, Poland
| | - Jan Kochanowicz
- Department of Neurology, Medical University of Bialystok, Bialystok, Poland
| | - Joanna Reszec
- Department of Medical Pathomorphology, Medical University of Bialystok, Bialystok, Poland
| | - Jacek Niklinski
- Department of Clinical Molecular Biology, Medical University of Bialystok, Bialystok, Poland
| | - Marek Rogowski
- Department of Otolaryngology, Medical University of Bialystok, Bialystok, Poland
| | - Joanna Konopinska
- Department of Ophthalmology, Medical University of Bialystok, Bialystok, Poland
| | - Zenon Mariak
- Department of Neurosurgery, Medical University of Bialystok, Bialystok, Poland.
| | - Ricardo L Carrau
- Lynne Shepard Jones Chair in Head & Neck Oncology, The Ohio State University Wexner Medical Center, USA
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Yang W, Wang G, Li H, Yan X, Ren Y, Wang Y, Hu H, Song X, Wan Y, Wang C, Lou H, Huang Q, Wang X, Zhang L. The 15° reverse Trendelenburg position can improve visualization without impacting cerebral oxygenation in endoscopic sinus surgery-A prospective, randomized study. Int Forum Allergy Rhinol 2020; 11:993-1000. [PMID: 33283449 DOI: 10.1002/alr.22734] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/01/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND In this study we compared intraoperative bleeding and regional cerebral oxygenation in patients with different degrees of the reverse Trendelenburg position (RTP) during endoscopic sinus surgery (ESS). METHODS In total, 120 patients with chronic rhinosinusitis treated by ESS were randomly assigned to the following 4 groups: a horizontal position (HP) group, and 5°, 10°, and 15° RTP (5-RTP, 10-RTP, and 15-RTP, respectively) groups. The primary outcome was the Boezaart grading scale (BS). The cerebral oxygen saturation (ScO2 ), total blood loss, numerical rating scale (NRS) scores, and complications were also recorded. RESULTS The median BS values in the HP, 5-RTP, 10-RTP, and 15-RTP groups were 2.0, 2.0, 2.1, and 1.7, respectively. Multiple pairwise comparisons of the BS showed significant differences between the 15-RTP group and the other 3 groups (HP, 5-RTP, and 10-RTP). Regarding the NRS and bleeding rate, significant differences were found between the HP and 15-RTP groups. No difference was found in ScO2 among the 4 groups, and no cerebral desaturation events occurred in any group. No complications, including vital organ (heart, brain, and kidney) dysfunction problems, were reported in this study during hospitalization. CONCLUSION Compared with HP, 5-RTP, and 10-RTP, 15-RTP can improve visual clarity during ESS, and ScO2 is not affected by the degree of RTP. No cerebral deoxygenation or vital organ dysfunction was observed in this study. Therefore, we recommend 15-RTP with moderate deliberate hypotension for ESS.
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Affiliation(s)
- Wenjing Yang
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Guyan Wang
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - He Li
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Xing Yan
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Yaoyao Ren
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Yue Wang
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Haili Hu
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Xiaoli Song
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Ying Wan
- Department of Anesthesiology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Chengshuo Wang
- Department of Otolaryngology-Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Hongfei Lou
- Department of Otolaryngology-Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Qian Huang
- Department of Otolaryngology-Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Xiangdong Wang
- Department of Otolaryngology-Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Luo Zhang
- Department of Otolaryngology-Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
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Jang JS, Kwon Y, Hwang SM, Lee JJ, Lee JS, Lee SK, Lee HS. Comparison of the effect of propofol and desflurane on S-100β and GFAP levels during controlled hypotension for functional endoscopic sinus surgery: A randomized controlled trial. Medicine (Baltimore) 2019; 98:e17957. [PMID: 31725655 PMCID: PMC6867762 DOI: 10.1097/md.0000000000017957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Although surgical field visualization is important in functional endoscopic sinus surgery (FESS), the complications associated with controlled hypotension for surgery should be considered. Intraoperative hypotension is associated with postoperative stroke, leading to subsequent hypoxia with potential neurologic injury. We investigated the effect of propofol and desflurane anesthesia on S-100β and glial fibrillary acidic protein (GFAP) levels which are early biomarkers for cerebral ischemic change during controlled hypotension for FESS. METHODS For controlled hypotension during FESS, anesthesia was maintained with propofol/remifentanil in propofol group (n = 30) and with desflurane/remifentanil in desflurane group (n = 30). For S-100β and GFAP assay, blood samples were taken at base, 20 and 60 minutes after achieving the target range of mean arterial pressure, and at 60 minutes after surgery. RESULTS The base levels of S-100β were 98.04 ± 78.57 and 112.61 ± 66.38 pg/mL in the propofol and desflurane groups, respectively. The base levels of GFAP were 0.997 ± 0.486 and 0.898 ± 0.472 ng/mL in the propofol and desflurane groups, respectively. The S-100β and GFAP levels were significantly increased in the study period compared to the base levels in both groups (P ≤ .001). There was no significant difference at each time point between the 2 groups. CONCLUSION On comparing the effects of propofol and desflurane anesthesia for controlled hypotension on the levels of S-100β and GFAP, we noted that there was no significant difference in S-100β and GFAP levels between the 2 study groups. CLINICAL TRIAL REGISTRATION Available at: http://cris.nih.go.kr, KCT0002698.
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Affiliation(s)
- Ji Su Jang
- Department of Anesthesiology and Pain medicine, Hallym University School of Medicine, Chuncheon Sacred Heart Hospital
| | - Youngsuk Kwon
- Department of Anesthesiology and Pain medicine, College of Medicine, Kangwon National University, Chuncheon
| | - Sung Mi Hwang
- Department of Anesthesiology and Pain medicine, Hallym University School of Medicine, Chuncheon Sacred Heart Hospital
| | - Jae Jun Lee
- Department of Anesthesiology and Pain medicine, Hallym University School of Medicine, Chuncheon Sacred Heart Hospital
| | - Jun Suck Lee
- Department of Anesthesiology and Pain medicine, Hallym University Sacred Heart Hospital, Anyang, South Korea
| | - Soo Kyoung Lee
- Department of Anesthesiology and Pain medicine, Hallym University Sacred Heart Hospital, Anyang, South Korea
| | - Ho Seok Lee
- Department of Anesthesiology and Pain medicine, Hallym University School of Medicine, Chuncheon Sacred Heart Hospital
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Carlton DA, Govindaraj S. Anesthesia for functional endoscopic sinus surgery. Curr Opin Otolaryngol Head Neck Surg 2018; 25:24-29. [PMID: 28005566 DOI: 10.1097/moo.0000000000000322] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW The present article summarizes anesthetic techniques used during functional endoscopic sinus surgery to decrease bleeding and aid in creating a clear surgical field. The applicable physiology behind these anesthetic techniques is reviewed with emphasis on the effect on bleeding and the surgical field. Deliberate hypotension, reverse Trendelenburg positioning, regional anesthesia, and cerebral monitoring are discussed. RECENT FINDINGS There are mixed data as to whether traditional inhalation anesthesia or total intravenous anesthesia is superior with respect to better surgical fields and decreased blood loss. A review of the literature tends to favor total intravenous anesthesia. Cerebral oximetry and transcranial Doppler ultrasound are emerging techniques to monitor cerebral perfusion during deliberate hypotension. SUMMARY Total intravenous anesthesia using propofol and remifentanil is the current favored technique for producing deliberate hypotension during endoscopic sinus surgery due to its hemodynamic stability and smooth rapid emergence.
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Affiliation(s)
- Daniel A Carlton
- Department of Otolaryngology - Head and Neck Surgery at Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Farzanegan B, Eraghi MG, Abdollahi S, Ghorbani J, Khalili A, Moshari R, Jahangirifard A. Evaluation of cerebral oxygen saturation during hypotensive anesthesia in functional endoscopic sinus surgery. J Anaesthesiol Clin Pharmacol 2018; 34:503-506. [PMID: 30774231 PMCID: PMC6360878 DOI: 10.4103/joacp.joacp_248_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background and Aims Controlled hypotensive anesthesia in endoscopic sinus surgery would provide a clean surgical field. Cerebral oxygen saturation (ScO2) is important in endoscopic sinus surgery patients and it may be low during controlled hypotension. The aim of the present study was to assess ScO2 in these patients. Material and Methods In this observational study, 41 patients who underwent endoscopic sinus surgery with hypotensive anesthesia were enrolled for the study and all of the patients received the same anesthetic medication, nitroglycerin for controlled hypotension. Variables were measured prior to surgery, after induction of anesthesia, 5 min, and every 30 min after controlled hypotension. Near-infrared spectroscopy was used for ScO2 evaluation. Mean arterial blood pressure (MAP) was maintained at 55-60 mmHg in the surgical duration. We used t-test, Wilcoxon, and repeated measures analysis of variance (ANOVA). We examined the cross-correlation functions of the time series data between end-tidal carbon dioxide (ETCO2)/MAP and ScO2. Results The mean of intraoperative ScO2 was not significantly different from the baseline evaluation (P > 0.05). ETCO2 was cross correlated with current ScO2 [r: 0.618, confidence interval (CI) 95%: 0.46-0.78]. We found moderate cross correlation between the MAP and current ScO2 (r: 0.728, CI 95%: 0.56-0.88). About 92% of the patients recovered within 30 min. Recovery time was associated with intraoperative MAP (P: 0.004, r: 0.438), intraoperative ETCO2 (P: 0.003, r: 0.450), and ScO2 (P: 0.026, r: 0.348). Conclusions Based on our findings, the assessment of ScO2 and maintained MAP >55 mmHg may provide safe conditions for endoscopic sinus surgery.
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Affiliation(s)
- Behrooz Farzanegan
- Tracheal Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Golestani Eraghi
- Department of Anesthesiology and Critical Care, Iran University of Medical Sciences, Tehran, Iran
| | - Samira Abdollahi
- Anesthesiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jahangir Ghorbani
- Chronic Respiratory Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Khalili
- Chronic Respiratory Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Moshari
- Anesthesiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Jahangirifard
- Lung Transplantation Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Range of S-100β levels during functional endoscopic sinus surgery with moderately controlled hypotension. Eur Arch Otorhinolaryngol 2017; 274:3527-3532. [PMID: 28456848 DOI: 10.1007/s00405-017-4592-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 04/18/2017] [Indexed: 10/19/2022]
Abstract
The aim of this study is to determine the range of S-100β levels during functional endoscopic sinus surgery (FESS) when the mean arterial pressure (MAP) was controlled within 60-70 mmHg. After anesthesia induction with propofol and remifentanil, the patient was positioned in the reverse Trendelenburg position and MAP was controlled within 60-70 mmHg during surgery. For the S-100β assay, blood was taken from a radial arterial catheter before (baseline) and at 20 (T 20) and 60 (T 60) min after setting the reverse Trendelenburg position and controlled hypotension, and at 60 (T post60) min after the end of the operation. In total, 34 patients completed the study. Baseline S-100β was 0.00837 ± 0.00785 ng/mL. The levels at T 20 and T 60 were 0.02057 ± 0.01739 and 0.01987 ± 0.01145 ng/mL, respectively. The level of T post60 was 0.05436 ± 0.02318 ng/mL. The level at T 20 increased significantly versus the baseline level (P < 0.001); there were no significant differences between T 20 and T 60. The level at T post60 was significantly different versus T 20 and T 60 (P < 0.001). However, all S-100β levels were within the normal range. S-100β-a sensitive biomarker of cerebral ischemia-was within the normal range during FESS when moderate hypotension (MAP >60 mmHg) was provided. Thus, moderate hypotension would be seemed to be a safe and effective anesthetic technique for FESS without risk for cerebral ischemia.
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Benni PB, MacLeod D, Ikeda K, Lin HM. A validation method for near-infrared spectroscopy based tissue oximeters for cerebral and somatic tissue oxygen saturation measurements. J Clin Monit Comput 2017; 32:269-284. [PMID: 28374103 PMCID: PMC5838152 DOI: 10.1007/s10877-017-0015-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 03/23/2017] [Indexed: 12/19/2022]
Abstract
We describe the validation methodology for the NIRS based FORE-SIGHT ELITE® (CAS Medical Systems, Inc., Branford, CT, USA) tissue oximeter for cerebral and somatic tissue oxygen saturation (StO2) measurements for adult subjects submitted to the United States Food and Drug Administration (FDA) to obtain clearance for clinical use. This validation methodology evolved from a history of NIRS validations in the literature and FDA recommended use of Deming regression and bootstrapping statistical validation methods. For cerebral validation, forehead cerebral StO2 measurements were compared to a weighted 70:30 reference (REF CXB) of co-oximeter internal jugular venous and arterial blood saturation of healthy adult subjects during a controlled hypoxia sequence, with a sensor placed on the forehead. For somatic validation, somatic StO2 measurements were compared to a weighted 70:30 reference (REF CXS) of co-oximetry central venous and arterial saturation values following a similar protocol, with sensors place on the flank, quadriceps muscle, and calf muscle. With informed consent, 25 subjects successfully completed the cerebral validation study. The bias and precision (1 SD) of cerebral StO2 compared to REF CXB was −0.14 ± 3.07%. With informed consent, 24 subjects successfully completed the somatic validation study. The bias and precision of somatic StO2 compared to REF CXS was 0.04 ± 4.22% from the average of flank, quadriceps, and calf StO2 measurements to best represent the global whole body REF CXS. The NIRS validation methods presented potentially provide a reliable means to test NIRS monitors and qualify them for clinical use.
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Affiliation(s)
- Paul B Benni
- CAS Medical Systems (CASMED), Inc., Branford, CT, USA.
| | - David MacLeod
- Human Pharmacology & Physiology Lab, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
| | - Keita Ikeda
- Human Pharmacology & Physiology Lab, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA.,Department of Anesthesiology, University of Virginia, Charlottesville, VA, USA
| | - Hung-Mo Lin
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Tsai HI, Chung PCH, Lee CW, Yu HP. Cerebral perfusion monitoring in acute care surgery: current and perspective use. Expert Rev Med Devices 2016; 13:865-75. [DOI: 10.1080/17434440.2016.1219655] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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