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Greig P, Sotiriou A, Kailainathan P, Carvalho CYM, Onwochei DN, Thurley N, Desai N. Evaluation of neuraxial analgesia on outcomes for patients undergoing robot assisted abdominal surgery. J Clin Anesth 2024; 95:111468. [PMID: 38599160 DOI: 10.1016/j.jclinane.2024.111468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/07/2024] [Accepted: 04/03/2024] [Indexed: 04/12/2024]
Abstract
STUDY OBJECTIVE Following robot assisted abdominal surgery, the pain can be moderate in severity. Neuraxial analgesia may decrease the activity of the detrusor muscle, reduce the incidence of bladder spasm and provide effective somatic and visceral analgesia. In this systematic review, we assessed the role of neuraxial analgesia in robot assisted abdominal surgery. DESIGN Systematic review. SETTINGS Robot assisted abdominal surgery. PATIENTS Adults. INTERVENTIONS Subsequent to a search of the electronic databases, observational studies and randomized controlled trials that assessed the effect of neuraxial analgesia instituted at induction of anesthesia or intraoperatively in adult and robot assisted abdominal surgery were considered for inclusion. The outcomes of observational studies as well as randomized controlled trials which were not subjected to meta-analysis were presented in descriptive terms. Meta-analysis was conducted if an outcome of interest was reported by two or more randomized controlled trials. MAIN RESULTS We included 19 and 11 studies that investigated spinal and epidural analgesia in adults, respectively. The coprimary outcomes were the pain score at rest at 24 h and the cumulative intravenous morphine consumption at 24 h. Spinal analgesia with long acting neuraxial opioid did not decrease the pain score at rest at 24 h although it reduced the cumulative intravenous morphine consumption at 24 h by a mean difference (95%CI) of 14.88 mg (-22.13--7.63; p < 0.0001, I2 = 50%) with a low and moderate quality of evidence, respectively, on meta-analysis of randomized controlled trials. Spinal analgesia with long acting neuraxial opioid had a beneficial effect on analgesic indices till the second postoperative day and a positive influence on opioid consumption up to and including the 72 h time point. The majority of studies demonstrated the use of spinal analgesia with long acting neuraxial opioid to lead to no difference in the incidence of postoperative nausea and vomiting, and the occurrence of pruritus was found to be increased with spinal analgesia with long acting neuraxial opioid in recovery but not at later time points. No difference was revealed in the incidence of urinary retention. The evidence in regard to the quality of recovery-15 score at 24 h and hospital length of stay was not fully consistent, although most studies indicated no difference between spinal analgesia and control for these outcomes. Epidural analgesia in robot assisted abdominal surgery was shown to decrease the pain on movement at 12 h but it had not been studied with respect to its influence on the pain score at rest at 24 h or the cumulative intravenous morphine consumption at 24 h. It did not reduce the pain on movement at later time points and the evidence related to the hospital length of stay was inconsistent. CONCLUSIONS Spinal analgesia with long acting neuraxial opioid had a favourable effect on analgesic indices and opioid consumption, and is recommended by the authors, but the evidence for spinal analgesia with short acting neuraxial opioid and epidural analgesia was limited.
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Affiliation(s)
- P Greig
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom; Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdom
| | - A Sotiriou
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - P Kailainathan
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - C Y M Carvalho
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - D N Onwochei
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom; King's College London, London, United Kingdom
| | - N Thurley
- Bodleian Health Care Libraries, University of Oxford, United Kingdom
| | - N Desai
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom; King's College London, London, United Kingdom.
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Zhang D, Jiang J, Liu J, Zhu T, Huang H, Zhou C. Effects of Perioperative Epidural Analgesia on Cancer Recurrence and Survival. Front Oncol 2022; 11:798435. [PMID: 35071003 PMCID: PMC8766638 DOI: 10.3389/fonc.2021.798435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/10/2021] [Indexed: 02/05/2023] Open
Abstract
Surgical resection is the main curative avenue for various cancers. Unfortunately, cancer recurrence following surgery is commonly seen, and typically results in refractory disease and death. Currently, there is no consensus whether perioperative epidural analgesia (EA), including intraoperative and postoperative epidural analgesia, is beneficial or harmful on cancer recurrence and survival. Although controversial, mounting evidence from both clinical and animal studies have reported perioperative EA can improve cancer recurrence and survival via many aspects, including modulating the immune/inflammation response and reducing the use of anesthetic agents like inhalation anesthetics and opioids, which are independent risk factors for cancer recurrence. However, these results depend on the cancer types, cancer staging, patients age, opioids use, and the duration of follow-up. This review will summarize the effects of perioperative EA on the oncological outcomes of patients after cancer surgery.
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Affiliation(s)
- Donghang Zhang
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China
| | - Jingyao Jiang
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China
| | - Jin Liu
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China
| | - Tao Zhu
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China
| | - Han Huang
- Department of Anesthesiology & Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital of Sichuan University, Chengdu, China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China
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Kishikawa H, Suzuki N, Suzuki Y, Hamasaki T, Kondo Y, Sakamoto A. Effect of Robot-assisted Surgery on Anesthetic and Perioperative Management for Minimally Invasive Radical Prostatectomy under Combined General and Epidural Anesthesia. J NIPPON MED SCH 2021; 88:121-127. [PMID: 32475905 DOI: 10.1272/jnms.jnms.2021_88-304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Robot-assisted surgery and pure laparoscopic surgery are available for minimally invasive radical prostatectomy (MIRP). The differences in anesthetic management between these two MIRPs under combined general and epidural anesthesia (CGEA) remain unknown. This study therefore aimed to determine the effects of robot-assisted surgery on anesthetic and perioperative management for MIRP under CGEA. METHODS This retrospective observational study analyzed data from patients' electronic medical records. Data on demographics, intraoperative variables, postoperative complications, and hospital stays after MIRPs were compared between patients who underwent robot-assisted laparoscopic radical prostatectomy (RALP) and those treated by pure laparoscopic radical prostatectomy (LRP). RESULTS There were no differences in background data between the 102 who underwent RALP and 112 who underwent LRP. Anesthesia and surgical times were shorter in the RALP group than in the LRP group. Doses of anesthetics, including intravenous opioids, and epidural ropivacaine, were lower in the RALP group. Although estimated blood loss and volume of colloid infusion were lower in the RALP group, the volume of crystalloid infusion was larger. Intraoperative allogeneic transfusion was not required in either group. There was no difference between groups in the incidences of postoperative cardiopulmonary complications or postoperative nausea and vomiting. Hospital stays after the procedure were shorter in the RALP group. CONCLUSIONS Robot-assisted surgery required varied consumption of anesthetics and infusion management during MIRP under GCEA. It also shortened postoperative hospital stays, without increasing rates of postoperative complications.
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Hottenrott S, Schlesinger T, Helmer P, Meybohm P, Alkatout I, Kranke P. Do Small Incisions Need Only Minimal Anesthesia?-Anesthetic Management in Laparoscopic and Robotic Surgery. J Clin Med 2020; 9:jcm9124058. [PMID: 33334057 PMCID: PMC7765538 DOI: 10.3390/jcm9124058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/04/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
Laparoscopic techniques have established themselves as a major part of modern surgery. Their implementation in every surgical discipline has played a vital part in the reduction of perioperative morbidity and mortality. Precise robotic surgery, as an evolution of this, is shaping the present and future operating theatre that an anesthetist is facing. While incisions get smaller and the impact on the organism seems to dwindle, challenges for anesthetists do not lessen and could even become more demanding than in open procedures. This review focuses on the pathophysiological effects of contemporary laparoscopic and robotic procedures and summarizes anesthetic challenges and strategies for perioperative management.
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Affiliation(s)
- Sebastian Hottenrott
- Department of Anesthesiology and Critical Care, University Hospital Wuerzburg, 97080 Wuerzburg, Germany; (S.H.); (T.S.); (P.H.); (P.M.)
| | - Tobias Schlesinger
- Department of Anesthesiology and Critical Care, University Hospital Wuerzburg, 97080 Wuerzburg, Germany; (S.H.); (T.S.); (P.H.); (P.M.)
| | - Philipp Helmer
- Department of Anesthesiology and Critical Care, University Hospital Wuerzburg, 97080 Wuerzburg, Germany; (S.H.); (T.S.); (P.H.); (P.M.)
| | - Patrick Meybohm
- Department of Anesthesiology and Critical Care, University Hospital Wuerzburg, 97080 Wuerzburg, Germany; (S.H.); (T.S.); (P.H.); (P.M.)
| | - Ibrahim Alkatout
- Department of Gynaecology and Obstetrics, Kiel School of Gynaecological Endoscopy, University Hospitals Schleswig-Holstein, 24105 Kiel, Germany;
| | - Peter Kranke
- Department of Anesthesiology and Critical Care, University Hospital Wuerzburg, 97080 Wuerzburg, Germany; (S.H.); (T.S.); (P.H.); (P.M.)
- Correspondence: ; Tel.: +49-931-20130050
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Anaesthetic management for robotic-assisted laparoscopic prostatectomy: the first UK national survey of current practice. J Robot Surg 2020; 15:335-341. [PMID: 32583048 DOI: 10.1007/s11701-020-01105-3] [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: 04/07/2020] [Accepted: 06/15/2020] [Indexed: 10/24/2022]
Abstract
Robotic-assisted laparoscopic prostatectomy (RALP) is the most common robotic surgical procedure, but there are little published data to inform anaesthetic practice. We aimed to characterise the range of anaesthetic practice for RALP in the United Kingdom through a national survey. We conducted an online national survey to determine current anaesthetic practice for RALP. The survey was distributed to all NHS hospitals within the UK that perform RALP. Thirty-four (79%) of 43 hospitals responded to the survey. Fourteen (41%) centres routinely provide spinal anaesthesia and 79% of these use diamorphine as their intrathecal opioid of choice. Thirty-one (91%) centres administer intravenous strong opioids intraoperatively, and a wide range of non-opioid analgesic agents are also administered. Five (15%) centres reported that they discharge a minority of patients on the day of surgery. High-volume centres are more likely to have a formalised enhanced recovery after surgery (ERAS) pathway and to provide ambulatory surgery for selected patients. This represents the first UK national survey of anaesthetic practice for RALP. The results of the survey revealed significant variation in anaesthetic practice implying a lack of consensus on best perioperative management.
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Bhama AR, Cleary RK. Setup and positioning in robotic colorectal surgery. SEMINARS IN COLON AND RECTAL SURGERY 2016. [DOI: 10.1053/j.scrs.2016.04.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Casans Francés R, Ripollés Melchor J, Abad-Gurumeta A, Longás Valién J, Calvo Vecino JM. The role of the anaesthesiologist in enhanced recovery programs. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2016; 63:273-288. [PMID: 26775121 DOI: 10.1016/j.redar.2015.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 11/04/2015] [Accepted: 11/09/2015] [Indexed: 06/05/2023]
Affiliation(s)
- R Casans Francés
- Servicio de Anestesiología, Reanimación y Terapia del Dolor, Hospital Clínico Universitario «Lozano Blesa», Zaragoza, España; Grupo Español de Rehabilitación Multimodal (GERM/ERAS-Spain), España.
| | - J Ripollés Melchor
- Servicio de Anestesiología, Reanimación y Terapia del Dolor, Hospital Universitario «Infanta Leonor», Madrid, España; Grupo Español de Rehabilitación Multimodal (GERM/ERAS-Spain), España
| | - A Abad-Gurumeta
- Servicio de Anestesiología, Reanimación y Terapia del Dolor, Hospital Universitario La Paz, Madrid, España; Grupo Español de Rehabilitación Multimodal (GERM/ERAS-Spain), España
| | - J Longás Valién
- Servicio de Anestesiología, Reanimación y Terapia del Dolor, Hospital Clínico Universitario «Lozano Blesa», Zaragoza, España; Grupo Español de Rehabilitación Multimodal (GERM/ERAS-Spain), España
| | - J M Calvo Vecino
- Servicio de Anestesiología, Reanimación y Terapia del Dolor, Hospital Universitario «Infanta Leonor», Madrid, España; Grupo Español de Rehabilitación Multimodal (GERM/ERAS-Spain), España
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Joshi GP, Jaschinski T, Bonnet F, Kehlet H. Optimal pain management for radical prostatectomy surgery: what is the evidence? BMC Anesthesiol 2015; 15:159. [PMID: 26530113 PMCID: PMC4632348 DOI: 10.1186/s12871-015-0137-2] [Citation(s) in RCA: 24] [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: 08/21/2015] [Accepted: 10/22/2015] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Increase in the diagnosis of prostate cancer has increased the incidence of radical prostatectomy. However, the literature assessing pain therapy for this procedure has not been systematically evaluated. Thus, optimal pain therapy for patients undergoing radical prostatectomy remains controversial. METHODS Medline, Embase, and Cochrane Central Register of Controlled Trials were searched for studies assessing the effects of analgesic and anesthetic interventions on pain after radical prostatectomy. All searches were conducted in October 2012 and updated in June 2015. RESULTS Most treatments studied improved pain relief and/or reduced opioid requirements. However, there were significant differences in the study designs and the variables evaluated, precluding quantitative analysis and consensus recommendations. CONCLUSIONS This systematic review reveals that there is a lack of evidence to develop an optimal pain management protocol in patients undergoing radical prostatectomy. Most studies assessed unimodal analgesic approaches rather than a multimodal technique. There is a need for more procedure-specific studies comparing pain and analgesic requirements for open and minimally invasive surgical procedures. Finally, while we wait for appropriate procedure specific evidence from publication of adequate studies assessing optimal pain management after radical prostatectomy, we propose a basic analgesic guideline.
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Affiliation(s)
- Grish P Joshi
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical School, 5323 Harry Hines Blvd, Dallas, TX, 75390-9068, USA.
| | - Thomas Jaschinski
- Institute for Research in Operative Medicine, Witten/Herdecke University, Cologne, Germany
| | - Francis Bonnet
- Department d' Anesthesie Reanimation, Hôpital Tenon, Assistance Publique Hôpitaux de Paris Université Pierre & Marie Curie, Paris, France
| | - Henrik Kehlet
- Section for Surgical Pathophysiology, Rigshospitalet, Copenhagen University, Copenhagen, Denmark
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Combined general and neuraxial anesthesia versus general anesthesia: a population-based cohort study. Can J Anaesth 2015; 62:356-68. [DOI: 10.1007/s12630-015-0315-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 01/12/2015] [Indexed: 10/24/2022] Open
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Impact of epidural analgesia on mortality and morbidity after surgery: systematic review and meta-analysis of randomized controlled trials. Ann Surg 2014; 259:1056-67. [PMID: 24096762 DOI: 10.1097/sla.0000000000000237] [Citation(s) in RCA: 303] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To quantify benefit and harm of epidural analgesia, compared with systemic opioid analgesia, in adults having surgery under general anesthesia. BACKGROUND It remains controversial whether adding epidural analgesia to general anesthesia decreases postoperative morbidity and mortality. METHODS We searched CENTRAL, EMBASE, PubMed, CINAHL, and BIOSIS till July 2012. We included randomized controlled trials comparing epidural analgesia (with local anesthetics, lasting for ≥ 24 hours postoperatively) with systemic analgesia in adults having surgery under general anesthesia, and reporting on mortality or any morbidity endpoint. RESULTS A total of 125 trials (9044 patients, 4525 received epidural analgesia) were eligible. In 10 trials (2201 patients; 87 deaths), reporting on mortality as a primary or secondary endpoint, the risk of death was decreased with epidural analgesia (3.1% vs 4.9%; odds ratio, 0.60; 95% confidence interval, 0.39-0.93). Epidural analgesia significantly decreased the risk of atrial fibrillation, supraventricular tachycardia, deep vein thrombosis, respiratory depression, atelectasis, pneumonia, ileus, and postoperative nausea and vomiting, and also improved recovery of bowel function, but significantly increased the risk of arterial hypotension, pruritus, urinary retention, and motor blockade. Technical failures occurred in 6.1% of patients. CONCLUSIONS In adults having surgery under general anesthesia, concomitant epidural analgesia reduces postoperative mortality and improves a multitude of cardiovascular, respiratory, and gastrointestinal morbidity endpoints compared with patients receiving systemic analgesia. Because adverse effects and technical failures cannot be ruled out, individual risk-benefit analyses and professional care are recommended.
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Baumunk D, Strang CM, Kropf S, Schäfer M, Schrader M, Weikert S, Cash H, Breckwoldt J, Miller K, Hachenberg T, Schostak M. Impact of thoracic epidural analgesia on blood loss in radical retropubic prostatectomy. Urol Int 2014; 93:193-201. [PMID: 24851943 DOI: 10.1159/000360300] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 02/03/2014] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Radical retropubic prostatectomy (RRP) is associated with an increased risk of intraoperative blood loss and the necessity of transfusions. This prospective randomised clinical study evaluates the influence of thoracic epidural analgesia (TEA) on blood loss in RRP. MATERIALS AND METHODS 235 patients were randomised: TEA in group 1 (n = 116; general anaesthesia + TEA) comprised continuous administration of 0.25% bupivacaine, while group 2 (n = 119; general anaesthesia alone) received intravenous analgesia with fentanyl (intubation: 2 µg/kg; maintenance: 0.1-0.3 mg). A restrictive infusion regimen (<1,000 ml until specimen removal) was administered in both groups. Blood loss, infusion rates and anaesthesiological parameters were recorded and analysed using regression models and analyses of variance. RESULTS Haemoglobin difference between the pre- and the first postoperative day (group 1: 3.35 ± 1.16 g/dl; group 2: 3.56 ± 1.42 g/dl; p = 0.19), overall blood loss (group 1: 665 ± 431.5 ml; group 2: 705 ± 881 ml; p = 0.73) and transfusion rates (0.4% intraoperatively; 2.55% postoperatively; p = 1.0) did not show group differences. In regression analysis blood loss was influenced by preoperative haemoglobin levels (p < 0.0001), patients' weight (p = 0.018) and duration of the operation (p = 0.017). CONCLUSIONS This study did not demonstrate a direct impact of TEA on intraoperative blood loss and transfusion rates in RRP. Further randomised clinical trials are needed to evaluate an impact of the different anaesthetic procedures presented alone or in combination on blood loss.
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Affiliation(s)
- Daniel Baumunk
- Department of Urology and Paediatric Urology, Magdeburg University Medical Centre, Magdeburg, Germany
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Xiang K, Cai H, Song Z. Comparison of Analgesic Effects of Remifentanil and Fentanyl NCA after Pediatric Cardiac Surgery. J INVEST SURG 2014; 27:214-8. [DOI: 10.3109/08941939.2013.879968] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Lee JR. Anesthetic considerations for robotic surgery. Korean J Anesthesiol 2014; 66:3-11. [PMID: 24567806 PMCID: PMC3926998 DOI: 10.4097/kjae.2014.66.1.3] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Accepted: 10/29/2013] [Indexed: 01/22/2023] Open
Abstract
Recently, demand for minimally invasive surgery has increased greatly. As a result, robot-assisted techniques have gained in popularity, because they overcome several of the shortcomings of conventional laparoscopic techniques. However, robotic surgery may require innovations with regard to patient positioning and the overall arrangement of operative equipment and personnel, which may go against the conservative nature of anesthesia care. Anesthesiologists should become familiar with these changes by learning the basic features of robotic surgical systems to offer better anesthetic care and promote patient safety.
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Affiliation(s)
- Jeong Rim Lee
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Korea. ; Anesthesia and Pain Research Institute, Seoul, Korea
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Regional anesthesia for laparoscopic surgery: a narrative review. J Anesth 2013; 28:429-46. [PMID: 24197290 DOI: 10.1007/s00540-013-1736-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Accepted: 10/14/2013] [Indexed: 12/26/2022]
Abstract
Laparoscopic surgery has advanced remarkably in recent years, resulting in reduced morbidity and shorter hospital stay compared with open surgery. Despite challenges from the expanding array of laparoscopic procedures performed with the use of pneumoperitoneum on increasingly sick patients, anesthesia has remained largely unchanged. At present, most laparoscopic operations are usually performed under general anesthesia, except for patients deemed "too sick" for general anesthesia. Recently, however, several large, retrospective studies questioned the widely held belief that general anesthesia is the best anesthetic method for laparoscopic surgery and suggested that regional anesthesia could also be a reasonable choice in certain settings. This narrative review is an attempt to critically summarize current evidence on regional anesthesia for laparoscopic surgery. Because most available data come from large, retrospective studies, large, rigorous, prospective clinical trials comparing regional vs. general anesthesia are needed to evaluate the true value of regional anesthesia in laparoscopic surgery.
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Furuya K, Naemura K, Nagai K, Okubo N, Saito H. Biomechanical analysis for the epidural needle insertion. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2013; 2013:6699-702. [PMID: 24111280 DOI: 10.1109/embc.2013.6611093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In order to test the hypothesis about reduction in the deformation of the ligamentum flavum due to tension inside the ligamentum flavum, nonlinear finite element (FE) analysis was employed. As a preliminary analysis of natural tissue, nonlinear FE analysis was applied to a rubber plate. Assuming that the rubber is third-order Mooney-Rivlin model, the analysis and the experimental curves overlap with each other until pierced point. The maximum major strain calculated by FE analysis was feasible to predict pierced point. To apply nonlinear FE analysis for the porcine ligamentum flavum, the Mooney-Rivlin coefficient of the porcine ligamentum flavum was identified from the tensile test data. Assuming that the sharp bar pierced the ligamentum flavum when the maximum major strain reached a constant value, the required displacement became shorter by 1.0mm by applying the initial tension.
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GERIATRIC ANAESTHESIA. Br J Anaesth 2012. [DOI: 10.1093/bja/aer482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
Laparoscopic techniques are used in many surgical disciplines and have partially become a standard procedure. Cholecystectomy is performed laparoscopically in 90% of cases. During a pneumoperitoneum changes occur which have a large influence on physiological homeostasis. Furthermore there are specific complications of laparoscopy which can have severe consequences. For adequate management the anesthetist has to be aware of both in order to react in the correct way.
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Affiliation(s)
- R Hömme
- Klinik für Anästhesiologie und Operative Intensivmedizin, Klinikum Augsburg, Stenglinstrasse 2, Augsburg, Germany.
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Lestar M, Gunnarsson L, Lagerstrand L, Wiklund P, Odeberg-Wernerman S. Hemodynamic perturbations during robot-assisted laparoscopic radical prostatectomy in 45° Trendelenburg position. Anesth Analg 2011; 113:1069-75. [PMID: 21233502 DOI: 10.1213/ane.0b013e3182075d1f] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Robot-assisted laparoscopic radical prostatectomy has gained widespread use. However, circulatory effects in patients subjected to an extreme Trendelenburg position (45°) are not well characterized. METHODS We studied 16 patients (ASA physical status I-II) with a mean age of 59 years scheduled for robot-assisted laparoscopic radical prostatectomy (45° head-down tilt, with an intraabdominal pressure of 11-12 mm Hg). Hemodynamics, echocardiography, gas exchange, and ventilation-perfusion distribution were investigated before and during pneumoperitoneum, in the Trendelenburg position and, in 8 of the patients, also after the conclusion of surgery. RESULTS In the 45° Trendelenburg position, central venous pressure increased almost 3-fold compared with the initial value, with an associated 2-fold increase in mean pulmonary artery pressure and pulmonary capillary wedge pressure (P<0.01). Mean arterial blood pressure increased by 35%. Heart rate, stroke volume, cardiac output, and mixed venous oxygen saturation were unaffected during surgery, as were echocardiographic heart dimensions. After induction of anesthesia, isovolumic relaxation time was prolonged, with no further change during the study. Deceleration time was normal and stable. In the horizontal position after pneumoperitoneum exsufflation, filling pressures and mean arterial blood pressure returned to baseline levels. Pneumoperitoneum reduced lung compliance by 40% (P<0.01). Addition of the Trendelenburg position caused a further decrease (P<0.05). Arterial blood acid-base balance was normal. End-tidal carbon dioxide tension increased whereas arterial carbon dioxide was unaffected with unchanged ventilation settings. Pneumoperitoneum increased PaO2 (P<0.05). Ventilation-perfusion distribution, shunt, and dead space were unaltered during the study. CONCLUSIONS Pneumoperitoneum and 45° Trendelenburg position caused 2- to 3-fold increases in filling pressures, without effects on cardiac performance. Filling pressures were normalized immediately after surgery. Lung compliance was halved. Gas exchange was unaffected. No perioperative cardiovascular complications occurred.
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Affiliation(s)
- Melinda Lestar
- Department of Anesthesiology and Intensive Care, Karolinska University Hospital, S-141 86 Stockholm, Sweden
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