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Spitzer D, Wenger KJ, Neef V, Divé I, Schaller-Paule MA, Jahnke K, Kell C, Foerch C, Burger MC. Local Anesthetic-Induced Central Nervous System Toxicity during Interscalene Brachial Plexus Block: A Case Series Study of Three Patients. J Clin Med 2021; 10:jcm10051013. [PMID: 33801401 PMCID: PMC7958619 DOI: 10.3390/jcm10051013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/11/2021] [Accepted: 02/24/2021] [Indexed: 12/22/2022] Open
Abstract
Local anesthetics are commonly administered by nuchal infiltration to provide a temporary interscalene brachial plexus block (ISB) in a surgical setting. Although less commonly reported, local anesthetics can induce central nervous system toxicity. In this case study, we present three patients with acute central nervous system toxicity induced by local anesthetics applied during ISB with emphasis on neurological symptoms, key neuroradiological findings and functional outcome. Medical history, clinical and imaging findings, and outcome of three patients with local anesthetic-induced toxic left hemisphere syndrome during left ISB were analyzed. All patients were admitted to our neurological intensive care unit between November 2016 and September 2019. All three patients presented in poor clinical condition with impaired consciousness and left hemisphere syndrome. Electroencephalography revealed slow wave activity in the affected hemisphere of all patients. Seizure activity with progression to status epilepticus was observed in one patient. In two out of three patients, cortical FLAIR hyperintensities and restricted diffusion in the territory of the left internal carotid artery were observed in magnetic resonance imaging. Assessment of neurological severity scores revealed spontaneous partial reversibility of neurological symptoms. Local anesthetic-induced CNS toxicity during ISB can lead to severe neurological impairment and anatomically variable cerebral lesions.
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Affiliation(s)
- Daniel Spitzer
- Institute of Neurology (Edinger Institute), University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany;
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
| | - Katharina J. Wenger
- Institute of Neuroradiology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany;
| | - Vanessa Neef
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany;
| | - Iris Divé
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
- Dr. Senckenberg Institute of Neurooncology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany
- University Cancer Center Frankfurt (UCT), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
- Frankfurt Cancer Institute (FCI), 60596 Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, 60590 Frankfurt, Germany
| | - Martin A. Schaller-Paule
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
| | - Kolja Jahnke
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
| | - Christian Kell
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
| | - Christian Foerch
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
| | - Michael C. Burger
- Department of Neurology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany; (I.D.); (M.A.S.-P.); (K.J.); (C.K.); (C.F.)
- Dr. Senckenberg Institute of Neurooncology, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany
- University Cancer Center Frankfurt (UCT), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
- Frankfurt Cancer Institute (FCI), 60596 Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, 60590 Frankfurt, Germany
- Correspondence: ; Tel.: +49-69-6301-87711
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Haskins SC, Bronshteyn Y, Perlas A, El-Boghdadly K, Zimmerman J, Silva M, Boretsky K, Chan V, Kruisselbrink R, Byrne M, Hernandez N, Boublik J, Manson WC, Hogg R, Wilkinson JN, Kalagara H, Nejim J, Ramsingh D, Shankar H, Nader A, Souza D, Narouze S. American Society of Regional Anesthesia and Pain Medicine expert panel recommendations on point-of-care ultrasound education and training for regional anesthesiologists and pain physicians-part I: clinical indications. Reg Anesth Pain Med 2021; 46:1031-1047. [PMID: 33632778 DOI: 10.1136/rapm-2021-102560] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 02/04/2021] [Indexed: 12/20/2022]
Abstract
Point-of-care ultrasound (POCUS) is a critical skill for all regional anesthesiologists and pain physicians to help diagnose relevant complications related to routine practice and guide perioperative management. In an effort to inform the regional anesthesia and pain community as well as address a need for structured education and training, the American Society of Regional Anesthesia and Pain Medicine (ASRA) commissioned this narrative review to provide recommendations for POCUS. The guidelines were written by content and educational experts and approved by the Guidelines Committee and the Board of Directors of the ASRA. In part I of this two-part series, clinical indications for POCUS in the perioperative and chronic pain setting are described. The clinical review addresses airway ultrasound, lung ultrasound, gastric ultrasound, the focus assessment with sonography for trauma examination and focused cardiac ultrasound for the regional anesthesiologist and pain physician. It also provides foundational knowledge regarding ultrasound physics, discusses the impact of handheld devices and finally, offers insight into the role of POCUS in the pediatric population.
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Affiliation(s)
- Stephen C Haskins
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA .,Anesthesiology, Weill Cornell Medical College, New York, New York, USA
| | - Yuriy Bronshteyn
- Anesthesiology, Duke University School of Medicine, Durham, North Carolina, USA
| | - Anahi Perlas
- Anesthesiology and Pain Management, Toronto Western Hospital, Toronto, Ontario, Canada
| | | | - Joshua Zimmerman
- Anesthesiology, University of Utah Health, Salt Lake City, Utah, USA
| | - Marcos Silva
- Anesthesiology and Pain Management, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Karen Boretsky
- Anesthesiology, Critical Care and Pain Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Vincent Chan
- Anesthesiology and Pain Management, Toronto Western Hospital, Toronto, Ontario, Canada
| | | | - Melissa Byrne
- Anesthesiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Nadia Hernandez
- Anesthesiology, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Jan Boublik
- Anesthesiology, Stanford Hospital and Clinics, Stanford, California, USA
| | - William Clark Manson
- Anesthesiology, University of Virginia Health System, Charlottesville, Virginia, USA
| | - Rosemary Hogg
- Anaesthesia, Belfast Health and Social Care Trust, Belfast, UK
| | - Jonathan N Wilkinson
- Intensive Care and Anaesthesia, Northampton General Hospital, Northampton, Northamptonshire, UK
| | | | - Jemiel Nejim
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Anesthesiology, Weill Cornell Medical College, New York, New York, USA
| | - Davinder Ramsingh
- Anesthesiology, Loma Linda University Medical Center, Loma Linda, California, USA
| | - Hariharan Shankar
- Anesthesiology, Clement Zablocki VA Medical Center/Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Antoun Nader
- Anesthesiology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Dmitri Souza
- Center for Pain Medicine, Western Reserve Hospital, Cuyahoga Falls, Ohio, USA
| | - Samer Narouze
- Center for Pain Medicine, Western Reserve Hospital, Cuyahoga Falls, Ohio, USA
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Watts SA, Sharma DJ. Long-Term Neurological Complications Associated with Surgery and Peripheral Nerve Blockade: Outcomes after 1065 Consecutive Blocks. Anaesth Intensive Care 2019; 35:24-31. [PMID: 17323662 DOI: 10.1177/0310057x0703500103] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Peripheral nerve blockade is gaining popularity as an analgesic option for both upper or lower limb surgery. Published evidence supports the improved efficacy of regional techniques when compared to conventional opioid analgesia. The incidence of neurological deficit after surgery associated with peripheral nerve block is unclear. This paper reports on neurological outcomes occurring after 1065 consecutive peripheral nerve blocks over a one-year period from a single institution. All patients receiving peripheral nerve blocks for surgery were prospectively followed for up to 12 months to determine the incidence and probable cause of any persistent neurological deficit. Formal independent neurological review and testing was undertaken as indicated. Thirteen patients reported symptoms that warranted further investigation. A variety of probable causes were identified, with peripheral nerve block being implicated in two cases (one resolved at nine months and one remaining persistent). Overall incidence of block-related neuropathy was 0.22%. Persistent postoperative neuropathy is a rare but serious complication of surgery associated with peripheral nerve block. Formal follow-up of all such blocks is recommended to assess causality and allow for early intervention.
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Affiliation(s)
- S A Watts
- Department of Anaesthesia, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
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Marty P, Ferré F, Basset B, Marquis C, Bataille B, Chaubard M, Merouani M, Rontes O, Delbos A. Diaphragmatic paralysis in obese patients in arthroscopic shoulder surgery: consequences and causes. J Anesth 2018; 32:333-340. [PMID: 29511891 DOI: 10.1007/s00540-018-2477-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 02/28/2018] [Indexed: 12/18/2022]
Abstract
PURPOSE Ambulatory process in arthroscopic shoulder surgery has boomed over past decades. Some anesthetic techniques such as interscalene block (ISB) and its surrogates are associated with diaphragmatic paralysis and might compromise outpatient procedure. HYPOTHESIS This study aims to assess consequences of diaphragmatic paralysis in obese patients. METHODS This prospective observational study screened patients with body mass index (BMI) ≥ 30 kg/m2 undergoing acromioplasty or supraspinatus tendon repair. Surgery was performed using brachial plexus block, and the method of brachial plexus block was left at the discretion of attending anesthesiologists. Post-operative hemidiaphragmatic paralysis was evaluated using M-mode ultrasonography and its consequences on patient ventilation were assessed: occurrence of hypoxic episode defined as oxygen saturation less than 90% (by pulse oximeter) in room air, dyspnea and failure of ambulatory procedure. Causes of diaphragmatic paralysis were also analyzed. RESULTS Ninety-one patients were screened, 82 patients were included in this study and 37 patients (45%) presented diaphragmatic paralysis. Compared to patients without diaphragmatic paralysis, diaphragmatic paralysis was associated with dyspnea [10 (27%) versus 1 (2%); p = 0.0019], occurrence of patients presenting at least one hypoxic episode [6 (16%) versus 1 (2%); p = 0.02] and failure of ambulatory process [10 (27%) versus 1 (2%); p = 0.009]. The combination of axillary and suprascapular nerve blocks, but also low volume ISB, was found to be protective against diaphragmatic paralysis when compared to high volume ISB [Odds ratios 0.0019 (0.001-0.026) and 0.0482 (0.008-0.27), respectively; p < 0.001]. CONCLUSION In patients with BMI ≥ 30 kg/m2 undergoing arthroscopic shoulder surgery, diaphragmatic paralysis is associated with dyspnea, occurrence of hypoxic episodes and failure of ambulatory procedure. High volume ISB and also, to a lesser extent, low volume ISB were found to be responsible for diaphragmatic paralysis. TRIAL REGISTRY NUMBER Registration n° 2014-202.
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Affiliation(s)
- Philippe Marty
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France.
| | - Fabrice Ferré
- Département Anesthésie-Réanimation, Hôpital Pierre-Paul Riquet, CHU Purpan, 31059, Toulouse, France
| | - Bertrand Basset
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
| | - Constance Marquis
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
| | - Benoit Bataille
- Department of Intensive Care, Centre hospitalier Hôtel-Dieu, Narbonne, France
| | - Martine Chaubard
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
| | - Mehdi Merouani
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
| | - Olivier Rontes
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
| | - Alain Delbos
- Department of Anesthesia, Clinique Medipôle Garonne, 31036, Toulouse, France
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Yamakado K. Efficacy of arthroscopically placed pain catheter adjacent to the suprascapular nerve (continuous arthroscopically assisted suprascapular nerve block) following arthroscopic rotator-cuff repair. Open Access J Sports Med 2014; 5:129-36. [PMID: 24982592 PMCID: PMC4074897 DOI: 10.2147/oajsm.s63345] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Rotator-cuff surgery is well recognized to be a painful procedure. Objectives The purpose of this study was to examine the effectiveness of an arthroscopically placed perineural catheter at the scapular notch to provide a continuous block of the suprascapular nerve (continuous arthroscopically assisted suprascapular nerve block [ca-SSNB]) following arthroscopic rotator-cuff repair (ARCR). Materials and methods This level II, prospective, randomized, controlled trial without postoperative blinding included 40 patients, who had a 48-hour pain pump, with 0.2% ropivacaine infusion and a continuous rate of 3 mL/hour, placed via an arthroscopically placed catheter following ARCR with arthroscopic release of the superior transverse ligament: 21 patients had a ca-SSNB, and 19 patients had a continuous subacromial bursal block (SAB). The visual analog scale (at 6 hours and on the first, second, and third postoperative days) and the total number of additional pain-reduction attempts during the 3 postoperative days were calculated. Results The respective visual analog scale scores (mm) obtained from the ca-SSNB and SAB groups were 62.4 and 67.6 (P=0.73) before surgery, 9.1 and 19.4 (P=0.12) at 6 hours after surgery, 24.4 and 44.6 (P=0.019) on the first postoperative day, 19.4 and 40.4 (P=0.0060) on the second postoperative day, and 18.5 and 27.8 (P=0.21) on the third postoperative day. Total additional pain-reduction attempts recorded for the ca-SSNB and SAB groups during the 3 postoperative days were 0.3 times and 1.2 times (P=0.0020), respectively. Conclusion ca-SSNB was highly effective in controlling postoperative pain after ARCR.
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Affiliation(s)
- Kotaro Yamakado
- Department of Orthopaedics, Fukui General Hospital, Fukui, Japan
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Yang CW, Jung SM, Cho CK, Kwon HU, Kang PS, Lim YS, Oh JY, Yi JW. Pleural effusion and atelectasis during continuous interscalene brachial plexus block -A case report-. Korean J Anesthesiol 2010; 58:95-8. [PMID: 20498819 PMCID: PMC2872898 DOI: 10.4097/kjae.2010.58.1.95] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2009] [Revised: 08/17/2009] [Accepted: 09/01/2009] [Indexed: 11/13/2022] Open
Abstract
An interscalene brachial plexus block is an effective means of providing anesthesia-analgesia for shoulder surgery. However, it has a multitude of potential side effects such as phrenic nerve block. We report a case of a patient who developed atelectasis of the lung, and pleural effusion manifested as chest discomfort during a continuous interscalene brachial plexus block for postoperative analgesia.
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Affiliation(s)
- Chun Woo Yang
- Department of Anesthesiology and Pain Medicine, School of Medicine, Konyang University, Daejeon, Korea
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Daruwalla ZJ, Halpenny M, Mullett H. Day case shoulder surgery: satisfactory pain control without regional anaesthesia. A prospective analysis of a perioperative protocol. Ir J Med Sci 2008; 178:57-60. [PMID: 19005634 DOI: 10.1007/s11845-008-0254-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2008] [Accepted: 10/08/2008] [Indexed: 11/30/2022]
Abstract
BACKGROUND Pain control is an issue which may limit patients' acceptance of day case shoulder surgery. This study prospectively examined the outcome of a protocol for day case shoulder surgery to determine if satisfactory pain relief could be achieved without regional anaesthesia. METHODS Patients attended for pre-assessment and were informed about the procedure and day case protocol. Anaesthesia used was either a regional anaesthetic block or subacromial bursal block. Patients were discharged with a standard pain pack. All 117 operations were performed arthroscopically. Patients were contacted 24 h following surgery by an independent observer. RESULTS Based on 90 completed surveys, all patients were satisfied. Pain was well controlled in 85% of patients but 50% of the remaining patients did not take the prescribed pain pack. Problems other than pain were seen in only 4% of patients. No patients required overnight admission. CONCLUSION Our study indicates a very high level of patient satisfaction and good pain relief without the use of regional anaesthesia for patients undergoing shoulder surgery as a day case.
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Affiliation(s)
- Z J Daruwalla
- Department of Orthopaedic Surgery, Beaumont Hospital, Beaumont Road, Dublin 9, Republic of Ireland,
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