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Zeng H, Zhao W, Fang L, Pan H, Huang S, Zeng X. Effect of Stellate Ganglion Block on Dysphagia and Cognitive Impairment in Cerebral Small Vessel Disease: A Randomized Controlled Study. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2024; 67:3660-3672. [PMID: 39270205 DOI: 10.1044/2024_jslhr-24-00145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2024]
Abstract
BACKGROUNDS Cerebral small vessel disease (CSVD) can potentially and frequently lead to dysphagia and cognitive impairment. Stellate ganglion block (SGB) can alleviate the symptoms by regulating neural pathways and improving cerebral blood circulation. OBJECTIVES This study aimed to explore the clinical effect of SGB on airway protection, dysphagia, cognitive impairment, and activities of daily living (ADL) in CSVD patients. METHOD This was a randomized controlled study conducted from February 2021 to May 2023, including 84 CSVD patients with dysphagia and cognitive impairment. The participants were randomly divided into the SGB group (n = 42) and the untreated group (n = 42). All received standard-of-care rehabilitation for 20 days. The SGB group received SGB once a day additionally. Assessments were conducted on Day 1 and Day 20, respectively. The Penetration-Aspiration Scale (PAS) was primary outcome. Modified Barium Swallow Impairment (MBSImp), Mini-Mental State Examination (MMSE), Modified Barthel Index (MBI) and adverse events were secondary outcomes. This study was registered at ClinicalTrials.gov, Identifier: NCT06176404. RESULTS There were two dropout cases in the untreated group. Time effect with statistical significance was observed in all assessments (p < .05). Group effect with statistical significance was observed in the PAS (z = -17.283, p < .001), MBSImp-Oral (z = -3.382, p = .001), MBSImp-Pharyngeal (z = -2.639, p = .008), MMSE (F = 7.450, p = .008), and MBI (F = 6.408, p = .013). During the treatment, there were no severe adverse events. CONCLUSION SGB can significantly and safely improve airway protection, dysphagia, cognitive function, and ADL in CSVD patients with dysphagia and cognitive impairment who received standard-of-care rehabilitation.
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Affiliation(s)
- Hongji Zeng
- School of Public Health, Zhengzhou University, China
| | - Weijia Zhao
- School of Public Health, Zhengzhou University, China
| | - Lixuan Fang
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Huoying Pan
- First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | | | - Xi Zeng
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, China
- NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, Zhengzhou, China
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2
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Singh H, Rajarathinam M. Stellate ganglion block beyond chronic pain: A literature review on its application in painful and non-painful conditions. J Anaesthesiol Clin Pharmacol 2024; 40:185-191. [PMID: 38919437 PMCID: PMC11196062 DOI: 10.4103/joacp.joacp_304_22] [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: 08/18/2022] [Accepted: 09/12/2022] [Indexed: 06/27/2024] Open
Abstract
Cervical sympathetic or stellate ganglion blocks (SGBs) have been commonly used in the treatment of painful conditions like complex regional pain syndrome (CRPS). However, there is literature to suggest its utility in managing non-painful conditions as well. The focus of this literature review is to provide an overview of indications for SGB for painful and non-painful conditions. We identified published journal articles in the past 25 years from Embase and PubMed databases with the keywords "cervical sympathetic block, stellate ganglion blocks, cervical sympathetic chain, and cervical sympathetic trunk". A total of 1556 articles were obtained from a literature search among which 311 articles were reviewed. Among painful conditions, there is a lack of evidence in favor of or against the use of SGB for CRPS despite its common use. SGB can provide postoperative analgesia in selective surgeries and can be effective in temporary pain control of refractory angina and the acute phase of herpes zoster infection. Among non-painful conditions, SGB may have beneficial effects on the management of post-traumatic stress disorder (PTSD), refractory ventricular arrhythmias, hot flashes in postmenopausal women, and breast cancer-related lymphedema. Additionally, there have been various case reports illustrating the benefits of SGB in the management of cerebral vasospasm, upper limb erythromelalgia, thalamic and central post-stroke pain, palmar hyperhidrosis, orofacial pain, etc. In our review of literature, we found that SGB can be useful in the management of various non-painful conditions beyond the well-known treatment for CRPS, although further studies are required to prove its efficacy.
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Affiliation(s)
- Heena Singh
- Department of Anesthesia and Perioperative Medicine, Western University, London, Ontario, Canada
| | - Manikandan Rajarathinam
- Department of Anesthesia and Perioperative Medicine, Western University, London, Ontario, Canada
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Mittal AM, Nowicki KW, Mantena R, Cao C, Rochlin EK, Dembinski R, Lang MJ, Gross BA, Friedlander RM. Advances in biomarkers for vasospasm - Towards a future blood-based diagnostic test. World Neurosurg X 2024; 22:100343. [PMID: 38487683 PMCID: PMC10937316 DOI: 10.1016/j.wnsx.2024.100343] [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: 07/29/2023] [Accepted: 02/21/2024] [Indexed: 03/17/2024] Open
Abstract
Objective Cerebral vasospasm and the resultant delayed cerebral infarction is a significant source of mortality following aneurysmal SAH. Vasospasm is currently detected using invasive or expensive imaging at regular intervals in patients following SAH, thus posing a risk of complications following the procedure and financial burden on these patients. Currently, there is no blood-based test to detect vasospasm. Methods PubMed, Web of Science, and Embase databases were systematically searched to retrieve studies related to cerebral vasospasm, aneurysm rupture, and biomarkers. The study search dated from 1997 to 2022. Data from eligible studies was extracted and then summarized. Results Out of the 632 citations screened, only 217 abstracts were selected for further review. Out of those, only 59 full text articles met eligibility and another 13 were excluded. Conclusions We summarize the current literature on the mechanism of cerebral vasospasm and delayed cerebral ischemia, specifically studies relating to inflammation, and provide a rationale and commentary on a hypothetical future bloodbased test to detect vasospasm. Efforts should be focused on clinical-translational approaches to create such a test to improve treatment timing and prediction of vasospasm to reduce the incidence of delayed cerebral infarction.
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Affiliation(s)
- Aditya M. Mittal
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | | | - Rohit Mantena
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | - Catherine Cao
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | - Emma K. Rochlin
- Loyola University Stritch School of Medicine, Maywood, IL, USA
| | - Robert Dembinski
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | - Michael J. Lang
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | - Bradley A. Gross
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
| | - Robert M. Friedlander
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA, USA
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4
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Wendel C, Oberhauser C, Schiff J, Henkes H, Ganslandt O. Stellate Ganglion Block and Intraarterial Spasmolysis in Patients with Cerebral Vasospasm: A Retrospective Cohort Study. Neurocrit Care 2024; 40:603-611. [PMID: 37498456 PMCID: PMC10959776 DOI: 10.1007/s12028-023-01762-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 05/17/2023] [Indexed: 07/28/2023]
Abstract
BACKGROUND In patients with symptomatic cerebral vasospasm (CV) following aneurysmal subarachnoid hemorrhage who do not respond to medical therapy, urgent treatment escalation has been suggested to be beneficial for brain tissue at risk. In our routine clinical care setting, we implemented stellate ganglion block (SGB) as a rescue therapy with subsequent escalation to intraarterial spasmolysis (IAS) with milrinone for refractory CV. METHODS In this retrospective analysis from 2012 to 2021, patients with CV following aneurysmal subarachnoid hemorrhage who received an SGB or IAS were identified. Patients were assessed through neurological examination and transcranial Doppler. Rescue therapy was performed in patients with mean cerebral blood flow velocity (CBFV) ≥ 120 cm/s and persistent neurological deterioration/intubation under induced hypertension. Patients were reassessed after therapy and the following day. The Glasgow Outcome Scale was assessed at discharge and 6-month follow-up. RESULTS A total of 82 patients (mean age 50.16 years) with 184 areas treated with SGB and/or IAS met the inclusion criteria; 109 nonaffected areas were extracted as controls. The mean CBFV decrease in the middle cerebral artery on the following day was - 30.1 (± 45.2) cm/s with SGB and - 31.5 (± 45.2) cm/s with IAS. Mixed linear regression proved the significance of the treatment categories; other fixed effects (sex, age, aneurysm treatment modality [clipping or coiling], World Federation of Neurological Surgeons score, and Fisher score) were insignificant. In logistic regression, the presence of cerebral infarction on imaging before discharge from the intensive care unit (34/82) was significantly associated with unfavorable outcomes (Glasgow Outcome Scale ≤ 3) at follow-up. CONCLUSIONS Stellate ganglion block and IAS decreased CBFV the following 24 h in patients with CV. We suggest SGB alone for patients with mild symptomatic CV (CBFV < 180 cm/s), while subsequent escalation to IAS proved to be beneficial in patients with refractory CV and severe CBFV elevation (CBFV ≥ 180 cm/s).
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Affiliation(s)
- Christopher Wendel
- Neurosurgical Clinic, Klinikum Stuttgart, Kriegsbergstr. 60, 70174, Stuttgart, Germany
- Institute for Medical Information Processing, Biometry, and Epidemiology, Chair of Public Health and Health Services Research, Ludwig-Maximilians-University, Munich, Germany
- Pettenkofer School of Public Health, Munich, Germany
| | - Cornelia Oberhauser
- Institute for Medical Information Processing, Biometry, and Epidemiology, Chair of Public Health and Health Services Research, Ludwig-Maximilians-University, Munich, Germany
- Pettenkofer School of Public Health, Munich, Germany
| | - Jan Schiff
- Department of Anesthesiology and Operative Intensive Care Medicine, Klinikum Stuttgart, Stuttgart, Germany
| | - Hans Henkes
- Neuroradiological Clinic, Klinikum Stuttgart, Stuttgart, Germany
| | - Oliver Ganslandt
- Neurosurgical Clinic, Klinikum Stuttgart, Kriegsbergstr. 60, 70174, Stuttgart, Germany.
- Department of Neurosurgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany.
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5
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Oliveira LDB, Batista S, Prestes MZ, Bocanegra-Becerra JE, Rabelo NN, Bertani R, Welling LC, Figueiredo EG. Stellate Ganglion Block in Subarachnoid Hemorrhage: A Promising Protective Measure Against Vasospasm? World Neurosurg 2024; 182:124-131. [PMID: 38042290 DOI: 10.1016/j.wneu.2023.11.122] [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: 06/22/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/04/2023]
Abstract
BACKGROUND Stellate ganglion block (SGB) may have protective effects in patients at risk of vasospasm following subarachnoid hemorrhage (SAH) due to reduced sympathetic activity. However, the safety and clinical outcomes of SGB in this scenario are not definitively known. The objective was to evaluate the safety, clinical outcomes, and cerebral blood flow velocity in patients submitted to SGB or cervical sympathectomy with SAH. METHODS Following Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines, a systematic review and meta-analysis of studies investigating SGB or cervical sympathectomy use in SAH were conducted. PubMed, Cochrane Library, and Embase were evaluated. Patients with mRS from 0 to 2, GOS from 4 to 5, or symptom resolution were considered favorable clinical outcomes. Related mortality was defined as death by vasospasm or delayed cerebral ischemia. RESULTS The analysis included 8 studies comprising 182 patients. Only 2 studies employed SGB prophylactically. The results revealed favorable outcomes in 52% of patients (95% CI: 37%-65%). The overall incidence of complications was 2% (95% CI: 0% -26%). The mortality rate was 13% (95% CI: 7%-21%), with a vasospasm-related mortality rate of 11% (95% CI: 2%-20%). A decrease of cerebral blood flow velocity was reported in 4 studies. CONCLUSIONS The notable reduction in cerebral blood flow velocity following SGB, alongside positive outcomes and a low occurrence of mortality and complications, highlights its significance as a therapeutic intervention for vasospasm following SAH. While the number of studies evaluating SGB as a preventive measure is limited, the promising results emphasize the importance of future research.
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Affiliation(s)
| | - Sávio Batista
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Raphael Bertani
- Department of Neurosurgery, University of São Paulo, São Paulo, Brazil
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6
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Bombardieri AM, Albers GW, Rodriguez S, Pileggi M, Steinberg GK, Heit JJ. Percutaneous cervical sympathetic block to treat cerebral vasospasm and delayed cerebral ischemia: a review of the evidence. J Neurointerv Surg 2023; 15:1212-1217. [PMID: 36597947 DOI: 10.1136/jnis-2022-019838] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 11/26/2022] [Indexed: 12/12/2022]
Abstract
Delayed cerebral ischemia (DCI) affects 30% of patients following aneurysmal subarachnoid hemorrhage (aSAH) and is a major driver of morbidity, mortality, and intensive care unit length of stay for these patients. DCI is strongly associated with cerebral arterial vasospasm, reduced cerebral blood flow and cerebral infarction. The current standard treatment with intravenous or intra-arterial calcium channel antagonist and balloon angioplasty or stent has limited efficacy. A simple treatment such as a cervical sympathetic block (CSB) may be an effective therapy but is not routinely performed to treat vasospasm/DCI. CSB consists of injecting local anesthetic at the level of the cervical sympathetic trunk, which temporarily blocks the innervation of the cerebral arteries to cause arterial vasodilatation. CSB is a local, minimally invasive, low cost and safe technique that can be performed at the bedside and may offer significant advantages as complementary treatment in combination with more conventional neurointerventional surgery interventions. We reviewed the literature that describes CSB for vasospasm/DCI prevention or treatment in humans after aSAH. The studies outlined in this review show promising results for a CSB as a treatment for vasospasm/DCI. Further research is required to standardize the technique, to explore how to integrate a CSB with conventional neurointerventional surgery treatments of vasospasm and DCI, and to study its long-term effect on neurological outcomes.
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Affiliation(s)
- Anna Maria Bombardieri
- Anesthesiology and Perioperative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Gregory W Albers
- Neurology, Stanford University School of Medicine, Stanford, California, USA
| | - Samuel Rodriguez
- Anesthesiology and Perioperative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Marco Pileggi
- Neuroradiology, Lugano Regional Hospital Civico and Italiano Sites, Lugano, Switzerland
| | | | - Jeremy J Heit
- Radiology, Neuroadiology and Neurointervention Division, Stanford University, Stanford, California, USA
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7
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Bombardieri AM, Heifets BD, Treggiari M, Albers GW, Steinberg GK, Heit JJ. Cervical sympathectomy to treat cerebral vasospasm: a scoping review. Reg Anesth Pain Med 2023; 48:513-519. [PMID: 36424089 DOI: 10.1136/rapm-2022-103999] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/13/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND/IMPORTANCE Delayed cerebral ischemia (DCI) is the second-leading cause of death and disability in patients with aneurysmal subarachnoid hemorrhage (aSAH), and is associated with cerebral arterial vasospasm (CAV). Current treatments for CAV are expensive, invasive, and have limited efficacy. Cervical sympathetic block (CSB) is an underappreciated, but potentially highly effective therapy for CAV. OBJECTIVE To provide a comprehensive review of the preclinical and human literature pertinent to CSB in the context of CAV. EVIDENCE REVIEW This study followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews guidelines. We conducted a literature search using Embase, PubMed, Cochrane Database of Systematic Reviews, Cochrane Central Register of Controlled Trials, Scopus and Web of Science until February 2022, to identify abstracts, conference proceedings, and full-text papers pertinent to cervical sympathectomy and CAV in animal/adult patients. FINDINGS We included six human and six experimental studies. Human studies were mostly prospective observational, except one retrospective and one randomized clinical trial, and used various imaging modalities to measure changes in arterial diameter after the block. Studies that used digital subtraction angiography showed an improvement in cerebral perfusion without change in vessel diameter. Transcranial Doppler studies found an approximately 15% statistically significant decrease in velocities consistent with arterial vasodilatation. Overall, the results suggest an increase in cerebral arterial diameter and neurological improvement in patients receiving a CSB. Animal studies demonstrate that sympathetic system ablation vasodilates cerebral vasculature and decreases the incidence of symptomatic vasospasm. CONCLUSIONS This scoping review suggests that CSB may be a viable option for treatment and prevention of CAV/DCI in patients with aSAH, although the included studies were heterogeneous, mostly observational, and with a small sample size. Further research is needed to standardize the technique and prove its effectiveness to treat patients suffering of CAV/DCI after aSAH.
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Affiliation(s)
- Anna Maria Bombardieri
- Anesthesiology and Perioperative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Boris D Heifets
- Anesthesiology and Perioperative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Miriam Treggiari
- Anesthesiology and Perioperative Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | - Gregory W Albers
- Neurology, Stanford University School of Medicine, Stanford, California, USA
| | - Gary K Steinberg
- Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Jeremy J Heit
- Radiology, Stanford University School of Medicine, Stanford, California, USA
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8
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Salvagno M, Gouvea Bogossian E, Halenarova K, Ego A, Taccone FS. Cervical Ganglion Sympathectomy to Treat Cerebral Vasospasm in Subarachnoid Hemorrhage. Neurocrit Care 2023; 39:241-249. [PMID: 36828982 DOI: 10.1007/s12028-023-01694-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/06/2023] [Indexed: 02/26/2023]
Abstract
Delayed cerebral ischemia (DCI) is still a significant cause of death and disability after aneurysmal subarachnoid hemorrhage. Cerebral vasospasm represents one of the most reported mechanisms associated with DCI. The management of DCI-related vasospasm remains a significant challenge for clinicians; induced hypertension, intraarterial vasodilators, and/or intracranial vessel angioplasty-particularly in refractory or recurrent cases-are the most used therapies. Because an essential role in the pathophysiology of cerebral vasospasm has been attributed to the adrenergic sympathetic nerves, a "sympatholytic" intervention, consisting of a temporary interruption of the sympathetic pathways using local anesthetics, has been advocated to minimize the vascular narrowing and reverse the consequences of cerebral vasospasm on tissue perfusion. In this review, we have analyzed the existing literature on the block of the cervical ganglions, particularly the stellate ganglion, in managing refractory cerebral vasospasm in patients with aneurysmal subarachnoid hemorrhage. These findings could help clinicians to understand the potential role of such intervention and to develop future interventional trials in this setting.
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Affiliation(s)
- Michele Salvagno
- Department of Intensive Care, Hôpital Universitaire de Bruxelles, Brussels, Belgium.
| | | | - Katarina Halenarova
- Department of Intensive Care, Hôpital Universitaire de Bruxelles, Brussels, Belgium
| | - Amedée Ego
- Department of Intensive Care, Hôpitaux Iris Sud, Brussels, Belgium
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hôpital Universitaire de Bruxelles, Brussels, Belgium
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Kuo J, Block T, Nicklay M, Lau B, Green M. Interventional Mental Health: A Transdisciplinary Approach to Novel Psychiatric Care Delivery. Cureus 2023; 15:e43533. [PMID: 37719598 PMCID: PMC10501497 DOI: 10.7759/cureus.43533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2023] [Indexed: 09/19/2023] Open
Abstract
Mental health disorders are among the most common health conditions in the United States. Traditional clinical treatments rely on psychiatric counseling and, in many cases, prescription medications. We propose an innovative model, Interventional Mental Health, which employs a combination of modalities through a multifaceted approach to treat conditions that have exhibited limited responsiveness to traditional methods and individuals afflicted with multiple comorbidities simultaneously. We hypothesize that creating a unique treatment algorithm combining current therapeutic modalities such as Stellate Ganglion Blocks (SGB), Transcranial Magnetic Stimulation (TMS) therapy, and ketamine therapy, within a consolidated timeframe, will yield synergistic outcomes among patients presenting with comorbid post-traumatic stress disorder (PTSD), depression, and/or anxiety.
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Affiliation(s)
- Jonathann Kuo
- Regenerative and Anti-Aging Medicine, Hudson Health, New York, USA
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10
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Jing L, Wu Y, Liang F, Jian M, Bai Y, Wang Y, Liu H, Wang A, Chen X, Han R. Effect of early stellate ganglion block in cerebral vasospasm after aneurysmal subarachnoid hemorrhage (BLOCK-CVS): study protocol for a randomized controlled trial. Trials 2022; 23:922. [DOI: 10.1186/s13063-022-06867-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
Abstract
Introduction
Stellate ganglion block has been reported to expand cerebral vessels and alleviate vasospasm after aneurysmal subarachnoid hemorrhage. However, the causal relationship between early stellate ganglion block and cerebral vasospasm prevention has not yet been established. The purpose of this study was to explore the effectiveness and safety of early stellate ganglion block as a preventive treatment for cerebral vasospasm and delayed cerebral ischemia.
Methods/design
This is a single-center, prospective, randomized, controlled, blinded endpoint assessment superiority trial. A total of 228 patients will be randomized within 48 h of aneurysmal subarachnoid hemorrhage onset in a 1:1 ratio into two groups, one group receiving an additional e-SGB and the other group receiving only a camouflaging action before anesthesia induction in the operating room. The primary outcome is the incidence of symptomatic vasospasm within 14 days after aSAH. Further safety and efficacy parameters include the incidence of radiographic vasospasm, new cerebral infarction, postoperative delirium, and complications up to 90 days after surgery; postoperative cerebral hemodynamics; Mini-Mental State Examination score; modified Rankin scale score; and all-cause mortality up to 90 days after surgery.
Discussion
This is a randomized controlled trial to explore the effectiveness and safety of early stellate ganglion block as a preventive treatment to reduce cerebral vasospasm in patients with aneurysmal subarachnoid hemorrhage. If the results are positive, it may provide a new direction for the prevention and treatment of cerebral vasospasm and delayed cerebral ischemia.
Trial registration
The study was registered on Clincaltrials.gov on December 13, 2020 (NCT04691271).
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11
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Stellate Ganglion Block Effects on Cerebral Vascular Tone: A Missing Piece of the Puzzle. J Neurosurg Anesthesiol 2022; 34:84-85. [PMID: 33105270 DOI: 10.1097/ana.0000000000000740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 09/06/2020] [Indexed: 11/26/2022]
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12
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Hasegawa Y, Uchikawa H, Kajiwara S, Morioka M. Central sympathetic nerve activation in subarachnoid hemorrhage. J Neurochem 2021; 160:34-50. [PMID: 34525222 DOI: 10.1111/jnc.15511] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/04/2021] [Accepted: 09/07/2021] [Indexed: 12/12/2022]
Abstract
Subarachnoid hemorrhage (SAH) is a life-threatening condition, and although its two main complications-cerebral vasospasm (CVS)/delayed cerebral ischemia (DCI) and early brain injury (EBI)-have been widely studied, prognosis has not improved over time. The sympathetic nerve (SN) system is important for the regulation of cardiovascular function and is closely associated with cerebral vessels and the regulation of cerebral blood flow and cerebrovascular function; thus, excessive SN activation leads to a rapid breakdown of homeostasis in the brain. In the hyperacute phase, patients with SAH can experience possibly lethal conditions that are thought to be associated with SN activation (catecholamine surge)-related arrhythmia, neurogenic pulmonary edema, and irreversible injury to the hypothalamus and brainstem. Although the role of the SN system in SAH has long been investigated and considerable evidence has been collected, the exact pathophysiology remains undetermined, mainly because the relationships between the SN system and SAH are complicated, and many SN-modulating factors are involved. Thus, research concerning these relationships needs to explore novel findings that correlate with the relevant concepts based on past reliable evidence. Here, we explore the role of the central SN (CSN) system in SAH pathophysiology and provide a comprehensive review of the functional CSN network; brain injury in hyperacute phase involving the CSN system; pathophysiological overlap between the CSN system and the two major SAH complications, CVS/DCI and EBI; CSN-modulating factors; and SAH-related extracerebral organ injury. Further studies are warranted to determine the specific roles of the CSN system in the brain injuries associated with SAH.
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Affiliation(s)
- Yu Hasegawa
- Department of Pharmaceutical Science, School of Pharmacy at Fukuoka, International University of Health and Welfare, Okawa, Fukuoka, Japan.,Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Hiroki Uchikawa
- Department of Neurosurgery, Kumamoto University School of Medicine, Kumamoto, Kumamoto, Japan
| | - Sosho Kajiwara
- Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Motohiro Morioka
- Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
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13
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Choi JL, Alaraj A. Commentary: Percutaneous Trigeminal Nerve Stimulation Induces Cerebral Vasodilation in a Dose-Dependent Manner. Neurosurgery 2021; 89:E126-E127. [PMID: 34022046 DOI: 10.1093/neuros/nyab168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 03/15/2021] [Indexed: 11/12/2022] Open
Affiliation(s)
- Jason Lee Choi
- Department of Neurosurgery, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ali Alaraj
- Department of Neurosurgery, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
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Davis J, Ozcan MS, Kamdar JK, Shoaib M. Stellate ganglion block used to treat reversible cerebral vasoconstriction syndrome. Reg Anesth Pain Med 2021; 46:732-734. [PMID: 33875578 DOI: 10.1136/rapm-2021-102675] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/31/2021] [Accepted: 04/02/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND We present a case report of a patient who developed severe reversible cerebral vasoconstriction syndrome, which was worsening despite typical interventional and supportive care. We administered a stellate ganglion block (SGB) and monitored the vasospasm with transcranial Doppler measurements. CASE REPORT A 25-year-old woman was admitted with recurrent headaches and neurological symptoms, which angiography showed to be caused by diffuse, multifocal, segmental narrowing of the cerebral arteries leading to severe ischemia in multiple regions. Typical treatment was initiated with arterial verapamil followed by supportive critical care, including nimodipine, intravenous fluids, permissive hypertension, and analgesia. Vasospasm was monitored daily via transcranial Doppler ultrasound (TCD). After symptoms and monitoring suggested worsening vasospasm, an SGB was administered under ultrasound guidance. Block success was confirmed via pupillometry, and repeat TCD showed improved flow through the cerebral vasculature. Improvement in vascular flow was accompanied by a gradual reduction in acute neurological symptoms, with the patient reporting no headaches the following morning. CONCLUSIONS For patients with reversible cerebral vasoconstriction syndrome who develop severe signs or symptoms despite typical treatment, sympathetic blockade may be a possible rescue therapy. This may extend to other causes of severe vasospasm as well, and further study is needed to determine if the SGB should be included in routine or rescue therapy.
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Affiliation(s)
- Jeffrey Davis
- Anesthesiology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Mehmet S Ozcan
- Anesthesiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jay K Kamdar
- Anesthesiology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Maria Shoaib
- Neurology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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Pileggi M, Mosimann PJ, Isalberti M, Piechowiak EI, Merlani P, Reinert M, Cianfoni A. Stellate ganglion block combined with intra-arterial treatment: a "one-stop shop" for cerebral vasospasm after aneurysmal subarachnoid hemorrhage-a pilot study. Neuroradiology 2021; 63:1701-1708. [PMID: 33725155 DOI: 10.1007/s00234-021-02689-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/07/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Delayed cerebral ischemia (DCI) is a frequent cause of morbidity and mortality in patients with cerebral vasospasm (CV) following aneurysmal subarachnoid hemorrhage (aSAH). Refractory CV remains challenging to treat and often leads to permanent deficits and death despite aggressive therapy. We hereby report the feasibility and safety of stellate ganglion block (SGB) performed with a vascular roadmap-guided technique to minimize the risk of accidental vascular puncture and may be coupled to a diagnostic or therapeutic cerebral angiography. METHODS In addition to a detailed description of the technique, we performed a retrospective analysis of a series of consecutive patients with refractory CV after aSAH that were treated with adjuvant roadmap-guided SGB. Clinical outcomes at discharge are reported. RESULTS Nineteen SGB procedures were performed in 10 patients, after failure of traditional hemodynamic and endovascular treatments. Each patient received 1 to 3 SGB, usually interspaced by 24 h. In 4 patients, an indwelling microcatheter for continuous infusion was inserted. First SGB occurred on average 7.3 days after aSAH. SGB was coupled to intra-arterial nimodipine infusion or balloon angioplasty in 9 patients. SGB was technically successful in all patients. There were no technical or clinical complications. CONCLUSION Adjuvant SGB may be coupled to endovascular therapy to treat refractory cerebral vasopasm within the same session. To guide needle placement, using a roadmap of the supra-aortic arteries may decrease the risk of complications. More prospective data is needed to evaluate the therapeutic efficacy, durability, and safety of SGB compared with the established standard of care.
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Affiliation(s)
- Marco Pileggi
- Department of Interventional and Diagnostic Neuroradiology, Neurocenter of Southern Switzerland, Via Tesserete 46, 6900, Lugano, Switzerland.
| | - Pascal J Mosimann
- Department of Interventional and Diagnostic Neuroradiology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Maurizio Isalberti
- Department of Interventional and Diagnostic Neuroradiology, Neurocenter of Southern Switzerland, Via Tesserete 46, 6900, Lugano, Switzerland
| | - Eike Immo Piechowiak
- Department of Interventional and Diagnostic Neuroradiology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Paolo Merlani
- Intensive Care Unit, Lugano Regional Hospital, Lugano, Switzerland.,Department of Anesthesiology, Intensive Care and Pharmacology, University Hospital of Geneva, Geneva, Switzerland
| | - Michael Reinert
- Department of Neurosurgery, Neurocenter of Southern Switzerland, Lugano, Switzerland
| | - Alessandro Cianfoni
- Department of Interventional and Diagnostic Neuroradiology, Neurocenter of Southern Switzerland, Via Tesserete 46, 6900, Lugano, Switzerland.,Department of Interventional and Diagnostic Neuroradiology, Inselspital, University Hospital of Bern, Bern, Switzerland
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Breville G, Bailly A, Fisch L, Kulcsar Z, Pugin D, Carrera E. Case Report and Review of the Literature: Fatal Reversible Cerebral Vasoconstriction Syndrome. Front Neurol 2021; 12:589062. [PMID: 33658973 PMCID: PMC7917125 DOI: 10.3389/fneur.2021.589062] [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: 07/30/2020] [Accepted: 01/14/2021] [Indexed: 01/13/2023] Open
Abstract
Background: A fatal outcome occurs in 2% of patients with Reversible Cerebral Vasoconstriction Syndrome (RCVS). Due to its rarity, guidelines for the management of the most severe forms of RCVS are lacking. Case presentation: Here, we describe the case of a 55 year-old woman who died from complications of RCVS and reviewed patients with fatal outcome reported in the literature. In our patient, the first episode of neurological deterioration was preceded by an increase of cerebral blood flow velocities assessed with transcranial Doppler. A fatal evolution could not be prevented despite therapeutic escalation consisting of multiple non-invasive and invasive treatments including cervical sympathetic bloc and continuous arterial infusion of nimodipine at the site of severe vasoconstriction. Conclusion: This case and the review of literature illustrate the challenges in the management of patients with severe RCVS. We describe here how monitoring of cerebral blood flow might help anticipate clinical worsening at the beginning of the disease and propose novel invasive and non-invasive therapeutic strategies based on monitoring of neurophysiological parameters.
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Affiliation(s)
- Gautier Breville
- Division of Neurology, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland
| | - Amelie Bailly
- Intensive Care Unit, Department of APSI, Geneva University Hospitals, Geneva, Switzerland
| | - Loraine Fisch
- Division of Neurology, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland.,Neurovascular Unit, Department of Neurology, Groupement Hospitalier de l'Ouest Lémanique, Nyon, Switzerland
| | - Zsolt Kulcsar
- Division of Interventional Neuroradiology, Diagnostic Department, Zurich University Hospitals, Zurich, Switzerland
| | - Deborah Pugin
- Intensive Care Unit, Department of APSI, Geneva University Hospitals, Geneva, Switzerland
| | - Emmanuel Carrera
- Division of Neurology, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland
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Zhang J, Nie Y, Pang Q, Zhang X, Wang Q, Tang J. Effects of stellate ganglion block on early brain injury in patients with subarachnoid hemorrhage: a randomised control trial. BMC Anesthesiol 2021; 21:23. [PMID: 33472582 PMCID: PMC7816408 DOI: 10.1186/s12871-020-01215-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 11/30/2020] [Indexed: 12/20/2022] Open
Abstract
Background Subarachnoid hemorrhage (SAH) is a common neurosurgical emergency, and early brain injury (EBI) plays an important role in acute brain injury of SAH. Our objective is to investigate the effect of stellate ganglion block (SGB) on the clinical prognosis of patients with SAH (registration number ChiCTR2000030910). Methods A randomized controlled trial was conducted with 102 participants. Patients with SAH were assigned to the SGB or nSGB group. Patients in the SGB group received SGB four times (once every other day starting on the day of the surgery). In contrast, patients in the nSGB group only received standard care. Data were collected on the day before surgery (T0) and on the 1st (T1), 3rd (T2) and 7th day (T3) after surgery. The primary outcomes included EBI markers (including IL-1β, IL-6, TNF-α, ET-1, NPY, NSE and S100β), the mean cerebral blood flow velocity of the middle cerebral artery (Vm-MCA) and the basilar artery (Vm-BA). All cases were followed up for 6 months after surgery. Results The levels of the EBI markers in both groups were higher at T1–T3 than at T0 (P<0.05), and the Vm-MCA and Vm-BA were also increased at the same times. However, the levels of the EBI markers were lower in the SGB group than in the nSGB group (P<0.05), and the increases of Vm-MCA and Vm-BA were also lower (P<0.05). The prognosis score and neurological deficit were better in the SGB group than in the nSGB group (P<0.05). Conclusions SGB can improve the prognosis of SAH patients by inhibiting the inflammatory response during EBI and by reducing endothelial dysfunction and relieving CVS. Trial registration Clinical trial number: ChiCTR2000030910; Registry URL: Chinese Clinical Trial Registry; Principal investigator's name: Ying Nie; Date of Trial registration: March, 2020 (retrospectively registered). Supplementary Information The online version contains supplementary material available at 10.1186/s12871-020-01215-3.
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Affiliation(s)
- Jian Zhang
- Department of Neurosurgery, 999 Brain Hospital, Guangzhou, 510515, Guangdong, China
| | - Ying Nie
- Department of Anesthesiology, 999 Brain Hospital, Guangzhou, 510515, Guangdong, China
| | - Qiongni Pang
- Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Xubiao Zhang
- Department of Neurosurgery, 999 Brain Hospital, Guangzhou, 510515, Guangdong, China
| | - Qianting Wang
- Department of Neurosurgery, 999 Brain Hospital, Guangzhou, 510515, Guangdong, China
| | - Jing Tang
- Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China. .,Department of Anesthesia, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, Guangdong, China.
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18
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19
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Wendel C, Scheibe R, Wagner S, Tangemann W, Henkes H, Ganslandt O, Schiff JH. Decrease of blood flow velocity in the middle cerebral artery after stellate ganglion block following aneurysmal subarachnoid hemorrhage: a potential vasospasm treatment? J Neurosurg 2020; 133:773-779. [PMID: 31398704 DOI: 10.3171/2019.5.jns182890] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 05/01/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Cerebral vasospasm (CV) is a delayed, sustained contraction of the cerebral arteries that tends to occur 3-14 days after aneurysmal subarachnoid hemorrhage (aSAH) from a ruptured aneurysm. Vasospasm potentially leads to delayed cerebral ischemia, and despite medical treatment, 1 of 3 patients suffer a persistent neurological deficit. Bedside transcranial Doppler (TCD) ultrasonography is used to indirectly detect CV through recognition of an increase in cerebral blood flow velocity (CBFV). The present study aimed to use TCD ultrasonography to monitor how CBFV changes on both the ipsi- and contralateral sides of the brain in the first 24 hours after patients have received a stellate ganglion block (SGB) to treat CV that persists despite maximum standard therapy. METHODS The data were culled from records of patients treated between 2013 and 2017. Patients were included if an SGB was administered following aSAH, whose CBFV was ≥ 120 cm/sec and who had either a focal neurological deficit or reduced consciousness despite having received medical treatment and blood pressure management. The SGB was performed on the side where the highest CBFV had been recorded with 8-10 ml ropivacaine 0.2%. The patient's CBFV was reassessed after 2 and 24 hours. RESULTS Thirty-seven patients (male/female ratio 18:19), age 17-70 years (mean age 49.9 ± 11.1), who harbored 13 clipped and 22 coiled aneurysms (1 patient received both a coil and a clip, and 3 patients had 3 untreated aneurysms) had at least one SGB. Patients received up to 4 SGBs, and thus the study comprised a total of 76 SGBs.After the first SGB, CBFV decreased in 80.5% of patients after 2 hours, from a mean of 160.3 ± 28.2 cm/sec to 127.5 ± 34.3 cm/sec (p < 0.001), and it further decreased in 63.4% after 24 hours to 137.2 ± 38.2 cm/sec (p = 0.007). A similar significant effect was found for the subsequent SGB. Adding clonidine showed no significant effect on either the onset or the duration of the SGB. Contralateral middle cerebral artery (MCA) blood flow was not reduced by the SGB. CONCLUSIONS To the authors' knowledge, this is the largest study on the effects of administering an SGB to aSAH patients after aneurysm rupture. The data showed a significant reduction in ipsilateral CBFV (MCA 20.5%) after SGB, lasting in about two-thirds of cases for over 24 hours with no major complications resulting from the SGB.
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Affiliation(s)
| | - Ricardo Scheibe
- 2Department of Anesthesiology and Intensive Care Medicine, Klinikum Stuttgart, Germany
- 3Department of Anesthesiology, Kantonsspital Münsterlingen, Switzerland
| | - Sören Wagner
- 2Department of Anesthesiology and Intensive Care Medicine, Klinikum Stuttgart, Germany
| | - Wiebke Tangemann
- 2Department of Anesthesiology and Intensive Care Medicine, Klinikum Stuttgart, Germany
- 4University of Heidelberg
| | - Hans Henkes
- 5Neuroradiological Clinic, Klinikum Stuttgart; and
| | | | - Jan-Henrik Schiff
- 2Department of Anesthesiology and Intensive Care Medicine, Klinikum Stuttgart, Germany
- 6Department of Anesthesiology and Intensive Care, Philipps-University Marburg, Germany
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Nie Y, Song R, Chen W, Qin Z, Zhang J, Tang J. Effects of stellate ganglion block on cerebrovascular vasodilation in elderly patients and patients with subarachnoid haemorrhage. Br J Anaesth 2018; 117:131-2. [PMID: 27317713 DOI: 10.1093/bja/aew157] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Y Nie
- Guangzhou, Guangdong, China
| | - R Song
- Guangzhou, Guangdong, China
| | - W Chen
- Guangzhou, Guangdong, China
| | - Z Qin
- Guangzhou, Guangdong, China
| | | | - J Tang
- Guangzhou, Guangdong, China
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21
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Al-Mufti F, Amuluru K, Damodara N, El-Ghanem M, Nuoman R, Kamal N, Al-Marsoummi S, Morris NA, Dangayach NS, Mayer SA. Novel management strategies for medically-refractory vasospasm following aneurysmal subarachnoid hemorrhage. J Neurol Sci 2018; 390:44-51. [DOI: 10.1016/j.jns.2018.02.039] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/01/2018] [Accepted: 02/22/2018] [Indexed: 11/27/2022]
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Abstract
PURPOSE OF REVIEW With recent research trying to explore the pathophysiologic mechanisms behind vasospasm, newer pharmacological and nonpharmacological treatments are being targeted at various pathways involved. This review is aimed at understanding the mechanisms and current and future therapies available to treat vasospasm. RECENT FINDINGS Computed tomography perfusion is a useful alternative tool to digital subtraction angiography to diagnose vasospasm. Various biomarkers have been tried to predict the onset of vasospasm but none seems to be helpful. Transcranial Doppler still remains a useful tool at the bedside to screen and follow up patients with vasospasm. Hypertension rather than hypervolemia and hemodilution in 'Triple-H' therapy has been found to be helpful in reversing the vasospasm. Hyperdynamic therapy in addition to hypertension has shown promising effects. Endovascular approaches with balloon angioplasty and intra-arterial nimodipine, nicardipine, and milrinone have shown consistent benefits. Endothelin receptor antagonists though relieved vasospasm, did not show any benefit on functional outcome. SUMMARY Endovascular therapy has shown consistent benefit in relieving vasospasm. An aggressive combination therapy through various routes seems to be the most useful approach to reduce the complications of vasospasm.
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Stellate ganglion block as rescue therapy in refractory vasospasm after subarachnoid hemorrhage. Med Intensiva 2017; 43:437-439. [PMID: 29169788 DOI: 10.1016/j.medin.2017.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/09/2017] [Accepted: 10/14/2017] [Indexed: 11/20/2022]
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25
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SONG RUI. Effects of stellate ganglion block on cerebrovascular vasodilation in elderly patients and patients with subarachnoid hemorrhage. Br J Anaesth 2016. [DOI: 10.1093/bja/el_13711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Durrant JC, Hinson HE. Rescue therapy for refractory vasospasm after subarachnoid hemorrhage. Curr Neurol Neurosci Rep 2015; 15:521. [PMID: 25501582 DOI: 10.1007/s11910-014-0521-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Vasospasm and delayed cerebral ischemia remain to be the common causes of increased morbidity and mortality after aneurysmal subarachnoid hemorrhage. The majority of clinical vasospasm responds to hemodynamic augmentation and direct vascular intervention; however, a percentage of patients continue to have symptoms and neurological decline. Despite suboptimal evidence, clinicians have several options in treating refractory vasospasm in aneurysmal subarachnoid hemorrhage (aSAH), including cerebral blood flow enhancement, intra-arterial manipulations, and intra-arterial and intrathecal infusions. This review addresses standard treatments as well as emerging novel therapies aimed at improving cerebral perfusion and ameliorating the neurologic deterioration associated with vasospasm and delayed cerebral ischemia.
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Affiliation(s)
- Julia C Durrant
- Department of Neurology and Neurocritical Care, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, CR-127, Portland, OR, 97239, USA,
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27
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Intracranial biodegradable silica-based nimodipine drug release implant for treating vasospasm in subarachnoid hemorrhage in an experimental healthy pig and dog model. BIOMED RESEARCH INTERNATIONAL 2015; 2015:715752. [PMID: 25685803 PMCID: PMC4317635 DOI: 10.1155/2015/715752] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 10/10/2014] [Indexed: 11/30/2022]
Abstract
Nimodipine is a widely used medication for treating delayed cerebral ischemia (DCI) after subarachnoid hemorrhage. When administrated orally or intravenously, systemic hypotension is an undesirable side effect. Intracranial subarachnoid delivery of nimodipine during aneurysm clipping may be more efficient way of preventing vasospasm and DCI due to higher concentration of nimodipine in cerebrospinal fluid (CSF). The risk of systemic hypotension may also be decreased with intracranial delivery. We used animal models to evaluate the feasibility of surgically implanting a silica-based nimodipine releasing implant into the subarachnoid space through a frontotemporal craniotomy. Concentrations of released nimodipine were measured from plasma samples and CSF samples. Implant degradation was followed using CT imaging. After completing the recovery period, full histological examination was performed on the brain and meninges. The in vitro characteristics of the implant were determined. Our results show that the biodegradable silica-based implant can be used for an intracranial drug delivery system and no major histopathological foreign body reactions were observed. CT imaging is a feasible method for determining the degradation of silica implants in vivo. The sustained release profiles of nimodipine in CSF were achieved. Compared to a traditional treatment, higher nimodipine CSF/plasma ratios can be obtained with the implant.
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Hu N, Wu Y, Chen BZ, Han JF, Zhou MT. Protective effect of stellate ganglion block on delayed cerebral vasospasm in an experimental rat model of subarachnoid hemorrhage. Brain Res 2014; 1585:63-71. [DOI: 10.1016/j.brainres.2014.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 02/27/2014] [Accepted: 08/07/2014] [Indexed: 11/26/2022]
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Moussouttas M, Lai EW, Huynh TT, James J, Stocks-Dietz C, Dombrowski K, Khoury J, Pacak K. Association between acute sympathetic response, early onset vasospasm, and delayed vasospasm following spontaneous subarachnoid hemorrhage. J Clin Neurosci 2014; 21:256-62. [DOI: 10.1016/j.jocn.2013.03.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 03/26/2013] [Accepted: 03/30/2013] [Indexed: 10/26/2022]
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Gupta N, Pandia MP, Dash HH. Research studies that have influenced practice of neuroanesthesiology in recent years: A literature review. Indian J Anaesth 2013; 57:117-26. [PMID: 23825809 PMCID: PMC3696257 DOI: 10.4103/0019-5049.111834] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Through evolving research, recent years have witnessed remarkable achievements in neuromonitoring and neuroanesthetic techniques, with a huge body of literature consisting of excellent studies in neuroanaesthesiology. However, little of this work appears to be directly important to clinical practice. Many controversies still exist in care of patients with neurologic injury. This review discusses studies of great clinical importance carried out in the last five years, which have the potential of influencing our current clinical practice and also attempts to define areas in need of further research. Relevant literature was obtained through multiple sources that included professional websites, medical journals and textbooks using key words “neuroanaesthesiology,” “traumatic brain injury,” “aneurysmal subarachnoid haemorrhage,” “carotid artery disease,” “brain protection,” “glycemic management” and “neurocritical care.” In head injured patients, administration of colloid and pre-hospital hypertonic saline resuscitation have not been found beneficial while use of multimodality monitoring, individualized optimal cerebral perfusion pressure therapy, tranexamic acid and decompressive craniectomy needs further evaluation. Studies are underway for establishing cerebroprotective potential of therapeutic hypothermia. Local anaesthesia provides better neurocognitive outcome in patients undergoing carotid endarterectomy compared with general anaesthesia. In patients with aneurysmal subarachnoid haemorrhage, induced hypertension alone is currently recommended for treating suspected cerebral vasospasm in place of triple H therapy. Till date, nimodipine is the only drug with proven efficacy in preventing cerebral vasospasm. In neurocritically ill patients, intensive insulin therapy results in substantial increase in hypoglycemic episodes and mortality rate, with current emphasis on minimizing glucose variability. Results of ongoing multicentric trials are likely to further improvise our practice.
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Affiliation(s)
- Nidhi Gupta
- Department of Neuroanaesthesiology, All India Institute of Medical Sciences, New Delhi, India
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Abstract
Regional anesthesia has become invaluable for the treatment of pain during and after a wide range of surgical procedures. However, its benefits in the nonsurgical setting have been less well studied. Regional anesthesia is an appealing modality for critically ill patients, providing focused and sustained pain control with beneficial systemic effect profiles. Indications for regional anesthesia in this patient group are not limited to surgical and postsurgical analgesia but expand to the management of trauma-related issues, medical conditions, and painful procedures at the bedside. Patients in the critical care unit present special challenges to the regional anesthesiologist, including coagulopathies, infections, immunocompromised states, sedation- and ventilation-associated problems, and factors potentially increasing the risk for systemic toxicity. This review is intended to evaluate the role of regional anesthesia in critically ill patients, to discuss potential benefits, and to provide a summary of the published evidence on the subject.
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Zhang L, Yao J, Zhang T, Jin J, Zeng X, Yue Z. Stellate ganglion block may prevent the development of neurogenic pulmonary edema and improve the outcome. Med Hypotheses 2012. [PMID: 23207183 DOI: 10.1016/j.mehy.2012.11.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Neurogenic pulmonary edema (NPE) is an acute and serious complication after a central nervous system insult with high mortality. The pronounced activation of sympathetic nervous system and the release of vasoactive substances are necessary prerequisites for the development of NPE. We introduce a hypothesis that stellate ganglion block (SGB) may prevent NPE development on the basis of the inhibition of sympathetic overactivation, reduction of the concentration of norepinephrine and attenuation of baroreflex sensitivity, and improve the outcome by improving cerebral blood flow and pulmonary circulation and maintaining cardiovascular stability. In clinical practice, the guidance technique and close monitoring might guarantee the safety of SGB. If our hypothesis is supported by further experiments, this may open a new doorway for the treatment of NPE.
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Affiliation(s)
- Lili Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang Province, China
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