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Chiraya S, Kumar A, Srivastava MK, Purohit G. Analgesic efficacy of stellate ganglion block in head and neck cancer pain: A case series. J Family Med Prim Care 2024; 13:1111-1114. [PMID: 38736790 PMCID: PMC11086807 DOI: 10.4103/jfmpc.jfmpc_1190_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 05/14/2024] Open
Abstract
Patients with head and neck cancer (HNC) have ongoing pain but Stellate ganglion block which is a sympatholytic block may be a viable therapy for treating it. The data were retrospectively collected from five histopathologically confirmed HNC patients who had completed chemotherapy and radiation doses. Stellate ganglion block was given to these patients and was subsequently monitored for 3 months to assess pain alleviation and overall satisfaction. Over a 3-month period, there was a decrease in the pain levels with a better quality of life so the stellate ganglion block can be a promising modality for reducing the pain of HNC.
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Affiliation(s)
- Seerat Chiraya
- Department of Anaesthesiology, AIIMS, Rishikesh, Uttarakhand, India
| | - Ajit Kumar
- Department of Anaesthesiology, AIIMS, Rishikesh, Uttarakhand, India
| | | | - Gaurav Purohit
- Department of Anaesthesiology, Army Hospital (Research and Referral), New Delhi, India Institution where work is credited- AIIMS, Rishikesh, Uttarakhand, India
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Lin S, Lin M, Dai Z, Wang F, Lin K, Liu R. Novel Bipolar High-Voltage Pulsed Radiofrequency Targeting the Cervical Sympathetic Chain for Treating Acute Herpetic Neuralgia. Neuromodulation 2023; 26:1808-1816. [PMID: 35088734 DOI: 10.1016/j.neurom.2021.12.003] [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: 09/17/2021] [Revised: 10/28/2021] [Accepted: 11/15/2021] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Postherpetic neuralgia (PHN) in the oral, maxillofacial, neck, and upper limb regions is a refractory neuropathic pain and severely affects the quality of life of patients. Because of the absence of ideal treatments for this condition, relieving pain in the acute stage and preventing the occurrence of PHN are of great clinical significance. However, the optimal intervention for this acute herpetic neuralgia remains obscure. OBJECTIVES This study aimed to investigate whether bipolar high-voltage pulsed radiofrequency (PRF) targeting the cervical sympathetic chain could effectively treat acute herpetic neuralgia in the oral, maxillofacial, neck, and upper limb regions and reduce the incidence of PHN. MATERIALS AND METHODS A total of 60 patients with acute herpetic neuralgia in the oral, maxillofacial, neck, and upper limb regions were enrolled. The radiofrequency group (n = 30) received bipolar high-voltage PRF under ultrasound guidance at the level of the transverse processes of C6 and C7 to modulate the cervical sympathetic chain. In the sham group (n = 30), the electrodes were simply placed at the same position as in the radiofrequency group, but no radiofrequency energy was applied. The same treatment was repeated in each group after 72 hours. If patients were reported to have a visual analog scale (VAS) score ≥4, they would receive oral tramadol and gabapentin as rescue analgesics. The VAS score, Pittsburgh Sleep Quality Index (PSQI), 36-Item Short Form Health Survey (SF-36) score, use of tramadol and gabapentin, incidence of PHN, and adverse reactions were recorded to assess the effect and safety of therapy during three months of follow-up. RESULTS Decreased VAS scores, PSQI scores, and improved SF-36 scores were detected in the two groups at different time points after treatment (all p < 0.05). The VAS scores, PSQI scores, use of tramadol and gabapentin, and incidence of PHN were significantly lower, whereas the SF-36 scores were significantly higher in the radiofrequency group than in the Sham group (all p < 0.05). No serious adverseness related to the treatment was detected in either group. CONCLUSIONS Bipolar high-voltage PRF treatment targeting the cervical sympathetic chain could effectively relieve acute herpetic neuralgia in the oral, maxillofacial, neck, and upper limb regions and reduce PHN incidence. The efficacy and safety of this novel treatment make it worthy of recommendation for clinical application.
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Affiliation(s)
- Shenshen Lin
- Department of Pain Management, The First Hospital of Putian, Teaching Hospital, Fujian Medical University, Putian City, Fujian Province, China
| | - Minyi Lin
- Department of Pain Management, The First Hospital of Putian, Teaching Hospital, Fujian Medical University, Putian City, Fujian Province, China
| | - Zhisen Dai
- Department of Pain Management, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou City, Fujian Province, China
| | - Fengchai Wang
- Department of Pain Management, The First Hospital of Putian, Teaching Hospital, Fujian Medical University, Putian City, Fujian Province, China
| | - Kaixing Lin
- Department of Pain Management, The First Hospital of Putian, Teaching Hospital, Fujian Medical University, Putian City, Fujian Province, China
| | - Rongguo Liu
- Department of Pain Management, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou City, Fujian Province, China.
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Kawabata K, Sago T, Oowatari T, Shiiba S. Prolonged blockade of the cervical sympathetic nerve by stellate ganglion block accelerates therapeutic efficacy in trigeminal neuropathy. J Oral Sci 2021; 64:6-10. [PMID: 34789618 DOI: 10.2334/josnusd.21-0245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
PURPOSE Stellate ganglion block (SGB) is effective in treating head and neck pain and neuropathic diseases by increasing tissue blood flow through its sympatholytic effect. This study aimed to investigate the relationship between duration of cervical sympathetic nerve block by SGB and its therapeutic efficacy against trigeminal neuropathy after orthognathic surgery. METHODS Twenty-eight patients with trigeminal neuropathy were randomly assigned to two groups (mepivacaine and levobupivacaine) according to the drug used for SGB. Increased blood flow, which is a symptom of sympathetic blockade, was recorded for 180 min after SGB. Current perception threshold, warm or cool detection threshold, and tactile detection threshold were measured preoperatively, postoperatively, on day 10 after initiation of SGB, and 3 months postoperatively to compare therapeutic efficacy between the groups. RESULTS The levobupivacaine group had a significantly longer duration of increased blood flow compared with the mepivacaine group. Values of current perception threshold, warm and cool detection threshold, and tactile detection threshold significantly improved in the levobupivacaine group on day 10 after initiation of SGB and 3 months postoperatively. CONCLUSION A prolonged increase in blood flow due to long-term sympatholytic effects accelerates the therapeutic efficacy of SGB in trigeminal neuropathy.
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Affiliation(s)
- Kazune Kawabata
- Department of Science of Physical Functions, Division of Dental Anesthesiology, Kyushu Dental University
| | - Teppei Sago
- Department of Science of Physical Functions, Division of Dental Anesthesiology, Kyushu Dental University
| | - Tsuneto Oowatari
- Department of Dental Management of Compromised Patient, Kyushu Dental University
| | - Shunji Shiiba
- Department of Science of Physical Functions, Division of Dental Anesthesiology, Kyushu Dental University
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Bölük Şenlikci H, Odabaşı ÖS, Ural Nazlıkul FG, Nazlıkul H. Effects of local anaesthetics (neural therapy) on pain and hand functions in patients with De Quervain tenosynovitis: A prospective randomised controlled study. Int J Clin Pract 2021; 75:e14581. [PMID: 34185386 DOI: 10.1111/ijcp.14581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/25/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE De Quervain tenosynovitis is the most common cause of lateral wrist pain. The diagnosis can be made with the Finkelstein test when pain is provoked with wrist ulnar deviation. Conservative treatment including rest, non-steroidal anti-inflammatory medication and physical therapy is applied first, then there may be a need for corticosteroid injections, and in resistant cases, surgery. The aim of this study was to evaluate the effectiveness of neural therapy (NT) on pain and hand functions in patients with De Quervain tenosynovitis. METHODS A total of 36 patients admitted between May 2019 and March 2020 were randomly assigned to neural therapy (NT) and control groups. Hand rest and thumb spica splint were applied to all the patients, and NT interventions to the NT group only. A visual analogue scale (VAS) and the Duruöz Hand index (DHI) were used to measure pain and functionality at baseline, then at 1 and 12 months after the end of the treatment. RESULTS The NT and control groups both showed improvements in VAS and DHI scores at 1 and 12 months compared with baseline (P < .001) according to within group comparisons. The VAS scores were significantly lower at both 1 and 12 months compared with baseline in the NT group (P < .001, P = .002 respectively). The DHI scores were lower in the NT group at 1 month (P = .009), and at 12 months there was no significant difference between the two groups (P = .252). No adverse effects were seen in any patient. CONCLUSION NT seems to be effective in reducing pain and improving hand functions in patients with De Quervain tenosynovitis.
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Affiliation(s)
- Hüma Bölük Şenlikci
- Department of Physical Medicine and Rehabilitation, Başkent University Medical School Hospital, Ankara, Turkey
| | | | - Fatma Gülçin Ural Nazlıkul
- Ankara City Hospital, Physical Medicine and Rehabilitation Hospital, Yıldırım Beyazıt University Medical School, Ankara, Turkey
| | - Hüseyin Nazlıkul
- International Federation of Medical Associations of Neural therapy, Ankara, Turkey
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Yasuda M, Kuroda H, Suzuki K, Takahashi SS, Morimoto Y, Sanuki T. Impact of Stellate Ganglion Block on Tissue Blood Flow/Oxygenation and Postoperative Mandibular Nerve Hypoesthesia: A Cohort Study. J Oral Maxillofac Surg 2021; 80:266.e1-266.e8. [PMID: 34587486 DOI: 10.1016/j.joms.2021.08.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 08/15/2021] [Accepted: 08/18/2021] [Indexed: 11/17/2022]
Abstract
PURPOSE Although a stellate ganglion block (SGB) increases tissue blood flow in the mandibular region, the change in tissue oxygenation after SGB and therapeutic effect of SGB for postoperative mandibular nerve hypoesthesia remain to be established. The study aim was to measure the change in tissue oxygenation in the mandibular region after SGB. METHODS To determine the variation in tissue oxygenation in the mandibular region, the tissue oxygen index (TOI; percentage of oxygenated hemoglobin in the total hemoglobin) was measured at the skin near the mental foramen bilaterally, at the primary site of unilateral SGB, achieved using 6 mL of 1% lidocaine hydrochloride, for the treatment of bilateral postoperative mandibular nerve injury. The primary outcome of this study is the temporal variation in TOI after SGB (0.5, 1, 5, 10, 15, 20, and 25 minutes after SGB), and the control group in this study is the TOI at the end of SGB injection (0 minute). All data are expressed as the mean ± standard deviation and 95% confidence interval (CI). Repeated-measures analysis of variance with Dunnett's test was used to determine parametric statistical significance. A P-value <.05 was considered statistically significant. RESULTS Thirteen patients were enrolled in this study. On both the blocked and contralateral side, the TOI was significantly increased compared to that before SGB (ΔTOI at 15 minute after SGB, 5.87 ± 2.89%, P < .001, 95% CI: 4.122 to 7.617% in the blocked side, 1.88 ± 2.73%, P = .005, 95% CI: 1.877 to 2.725% in the contralateral side). CONCLUSIONS Unilateral SGB using 6 mL of 1% lidocaine hydrochloride results in an increase in tissue oxygenation in the mandibular region. Based on these findings, we hypothesize that a series of SGBs may contribute to a more rapid recovery of postoperative trigeminal nerve injury.
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Affiliation(s)
- Michiko Yasuda
- Postdoctoral Fellow, Department of Dental Anesthesiology, Kanagawa Dental University, Yokosuka, Japan
| | - Hidetaka Kuroda
- Senior Lecturer, Department of Dental Anesthesiology, Kanagawa Dental University, Yokosuka, Japan.
| | - Kenji Suzuki
- Associate Professor, Department of Oral and Maxillofacial Surgery, Kanagawa Dental University, Yokosuka, Japan
| | - Shun-Suke Takahashi
- Professor, Department Head, Department of Pharmacology, Kanagawa Dental University, Yokosuka, Japan
| | - Yoshinari Morimoto
- Professor, Department Head, Department of Geriatric Dentistry, Kanagawa Dental University, Yokosuka, Japan
| | - Takuro Sanuki
- Professor, Department Head, Department of Dental Anesthesiology, Kanagawa Dental University, Yokosuka, Japan
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Sharbel D, Singh P, Blumenthal D, Sullivan J, Dua A, Albergotti WG, Groves M, Byrd JK. Preoperative Stellate Ganglion Block for Perioperative Pain in Lateralized Head and Neck Cancer: Preliminary Results. Otolaryngol Head Neck Surg 2019; 162:87-90. [DOI: 10.1177/0194599819889688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Patients with head and neck cancer represent a vulnerable population at particular risk of opioid dependence due to frequent histories of substance abuse, requirement of extensive surgery, and the synergistic toxicity of multimodal therapy. Regional anesthetic techniques have been used by other surgical disciplines to facilitate early recovery after surgery and decrease postoperative patient narcotic requirements. This pilot study investigates the efficacy of a preoperative regional analgesia using stellate ganglion block in lateralized head and neck cancer surgery. From our early results, stellate ganglion blockade may hold promise as an effective preoperative intervention for controlling early postoperative pain, lessening narcotic requirements, and improving quality of life.
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Affiliation(s)
- Daniel Sharbel
- Department of Otolaryngology–Head and Neck Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Paramvir Singh
- Department of Anesthesiology & Perioperative Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Daniel Blumenthal
- Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - James Sullivan
- Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Anterpreet Dua
- Department of Anesthesiology & Perioperative Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - W. Greer Albergotti
- Department of Otolaryngology–Head and Neck Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Michael Groves
- Department of Otolaryngology–Head and Neck Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - J. Kenneth Byrd
- Department of Otolaryngology–Head and Neck Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
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A Randomized Comparison between 4, 6 and 8 mL of Local Anesthetic for Ultrasound-Guided Stellate Ganglion Block. J Clin Med 2019; 8:jcm8091314. [PMID: 31461935 PMCID: PMC6780673 DOI: 10.3390/jcm8091314] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/16/2019] [Accepted: 08/22/2019] [Indexed: 11/17/2022] Open
Abstract
Background: Because it affords greater accuracy than landmark-based techniques, ultrasound guidance may reduce the volume of local anesthetic required for sympathetic blockade of the upper extremity. We hypothesized that 4 mL would provide a similar clinical effect when compared to larger volumes. Methods: One hundred and two patients with chronic neuropathic pain of the upper extremity or face were randomly assigned to receive an ultrasound-guided (USG) stellate ganglion block (SGB) with either 4 mL (group A), 6 mL (group B) or 8 mL (group C) mL of 1.0% lidocaine. Skin temperatures of the face, hand, and axillary fold were measured bilaterally at baseline, 10, 20, and 30 min after the block. Our primary outcome was the relative increase in hand temperature on the blocked side at 30 min and our non-inferiority margin was −0.6 °C. Secondary outcomes included success rate (as defined by a relative temperature increase of ≥1.5 °C), pain relief, degree of ptosis and side-effects. Results: The 95% confidence intervals for the difference of the means exceeded our non-inferiority margin (A versus B: −0.76 to 0.24; A versus C: −0.89 to 0.11) for temperature changes in the hand; however, success rates were similar (44, 45 and 55% for A, B and C respectively, p = 0.651). No intergroup differences were found in temperature-related outcomes for the other measurement sites (face, axilla). The incidence of minor side-effects was significantly higher in group C and no block-related complications were noted. Conclusions: We were unable to establish the non-inferiority of a 4 mL volume for sympathetic blockade of the hand. The clinical significance of these findings is unclear as success rates were similar between the different groups. In contrast, the 6- and 8 mL volumes were not associated with greater temperature changes in the face and axilla.
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Kubota K, Sunada K. Changes in blood flow at the mandibular angle and Horner syndrome in a rat model of superior cervical ganglion block. J Dent Anesth Pain Med 2018; 18:105-110. [PMID: 29744385 PMCID: PMC5932997 DOI: 10.17245/jdapm.2018.18.2.105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 03/26/2018] [Accepted: 03/28/2018] [Indexed: 11/15/2022] Open
Abstract
Background A stellate ganglion block (SGB) causes increased blood flow in the maxillofacial region, exhibiting the potential for regenerative effects in damaged tissue. The focus of this study was to understand the efficacy of SGB for regenerative effects against nerve damage. A rat model of the superior cervical ganglion block (SCGB) was created instead of SGB, and facial blood flow, as well as sympathetic nervous system function, were measured. Methods A vertical incision was made on the left side of the neck of a Wistar rat, and a 5-mm resection of the superior cervical ganglion was performed at the back of the bifurcation of the internal and external branches of the left common carotid artery. Blood flow in the skin at the mandibular angle and mean facial temperature were measured using a laser-Doppler blood flow meter and a thermographic camera, respectively, over a 5-week period after the block. In addition, the degree of ptosis and miosis were assessed over a period of 6 months. Results The SCGB rat showed significantly higher blood flow at the mandibular angle on the block side (P < 0.05) for 3 weeks, and significantly higher skin temperature (P < 0.05) for 1 week after the block. In the SCGB rat, ptosis and miosis occurred immediately after the block, and persisted even 6 months later. Conclusions SCGB in rats can cause an increase in the blood flow that persists over 3 weeks.
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Affiliation(s)
- Kazutoshi Kubota
- Department of Dental Anesthesiology, Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan
| | - Katsuhisa Sunada
- Department of Dental Anesthesiology, Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan
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Tassorelli C, Tramontano M, Berlangieri M, Schweiger V, D'Ippolito M, Palmerini V, Bonazza S, Rosa R, Cerbo R, Buzzi MG. Assessing and treating primary headaches and cranio-facial pain in patients undergoing rehabilitation for neurological diseases. J Headache Pain 2017; 18:99. [PMID: 28963668 PMCID: PMC5622014 DOI: 10.1186/s10194-017-0809-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 09/16/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Pain is a very common condition in patient undergoing rehabilitation for neurological disease; however the presence of primary headaches and other cranio-facial pains, particularly when they are actually or apparently independent from the disability for which patient is undergoing rehabilitation, is often neglected. Diagnostic and therapeutic international and national guidelines, as well as tools for the subjective measure of head pain are available and should also be applied in the neurorehabilitation setting. This calls for searching the presence of head pain, independently from the rehabilitation needs, since pain, either episodic or chronic, interferes with patient performance by affecting physical and emotional status. Pain may also interfere with sleep and therefore hamper recovery. METHODS In our role of task force of the Italian Consensus Conference on Pain in Neurorehabilitation (ICCPN), we have elaborated specific recommendations for diagnosing and treating head pains in patients undergoing rehabilitation for neurological diseases. RESULTS AND CONCLUSION In this narrative review, we describe the available literature that has been evaluated in order to define the recommendations and outline the needs of epidemiological studies concerning headache and other cranio-facial pain in neurorehabilitation.
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Affiliation(s)
- Cristina Tassorelli
- IRCCS National Neurological Institute "C. Mondino", Pavia, Italy
- Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | - Marco Tramontano
- IRCCS Santa Lucia Foundation, Via Ardeatina, 306 00179, Rome, Italy
| | - Mariangela Berlangieri
- IRCCS National Neurological Institute "C. Mondino", Pavia, Italy
- Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | | | - Mariagrazia D'Ippolito
- IRCCS Santa Lucia Foundation, Via Ardeatina, 306 00179, Rome, Italy
- Department of Psychology, Sapienza University, Rome, Italy
| | | | - Sara Bonazza
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Riccardo Rosa
- Clinical Medicine - Headache Center, Policlinico Umberto I, Rome, Italy
| | - Rosanna Cerbo
- Pain Therapy Hub, Policlinico Umberto I, Sapienza University, Rome, Italy
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Häggman-Henrikson B, Alstergren P, Davidson T, Högestätt ED, Östlund P, Tranaeus S, Vitols S, List T. Pharmacological treatment of oro-facial pain - health technology assessment including a systematic review with network meta-analysis. J Oral Rehabil 2017; 44:800-826. [DOI: 10.1111/joor.12539] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2017] [Indexed: 01/11/2023]
Affiliation(s)
- B. Häggman-Henrikson
- Department of Orofacial Pain and Jaw Function; Faculty of Odontology; Malmö University; Malmö Sweden
- Department of Odontology/Clinical Oral Physiology; Umeå University; Umeå Sweden
- Faculty of Odontology; Health Technology Assessment - Odontology (HTA-O); Malmö University; Malmö Sweden
| | - P. Alstergren
- Department of Orofacial Pain and Jaw Function; Faculty of Odontology; Malmö University; Malmö Sweden
- Scandinavian Center for Orofacial Neurosciences (SCON); Malmö Sweden
- Department of Rehabilitation Medicine; Skåne University Hospital; Malmö Sweden
| | - T. Davidson
- Faculty of Odontology; Health Technology Assessment - Odontology (HTA-O); Malmö University; Malmö Sweden
- Department of Medical and Health Sciences; Division of Health Care Analysis; Linköping University; Linköping Sweden
| | - E. D. Högestätt
- Department of Laboratory Medicine; Clinical Chemistry and Pharmacology; Lund University; Lund Sweden
| | - P. Östlund
- Department of Odontology/Clinical Oral Physiology; Umeå University; Umeå Sweden
- Swedish Agency for Health Technology Assessment and Assessment of Social Services (SBU); Stockholm Sweden
| | - S. Tranaeus
- Department of Odontology/Clinical Oral Physiology; Umeå University; Umeå Sweden
- Swedish Agency for Health Technology Assessment and Assessment of Social Services (SBU); Stockholm Sweden
| | - S. Vitols
- Swedish Agency for Health Technology Assessment and Assessment of Social Services (SBU); Stockholm Sweden
- Department of Medicine; Division of Clinical Pharmacology; Karolinska Institute; Stockholm Sweden
| | - T. List
- Department of Orofacial Pain and Jaw Function; Faculty of Odontology; Malmö University; Malmö Sweden
- Scandinavian Center for Orofacial Neurosciences (SCON); Malmö Sweden
- Department of Rehabilitation Medicine; Skåne University Hospital; Malmö Sweden
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Wiffen PJ, Derry S, Bell RF, Rice ASC, Tölle TR, Phillips T, Moore RA. Gabapentin for chronic neuropathic pain in adults. Cochrane Database Syst Rev 2017; 6:CD007938. [PMID: 28597471 PMCID: PMC6452908 DOI: 10.1002/14651858.cd007938.pub4] [Citation(s) in RCA: 157] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Gabapentin is commonly used to treat neuropathic pain (pain due to nerve damage). This review updates a review published in 2014, and previous reviews published in 2011, 2005 and 2000. OBJECTIVES To assess the analgesic efficacy and adverse effects of gabapentin in chronic neuropathic pain in adults. SEARCH METHODS For this update we searched CENTRAL), MEDLINE, and Embase for randomised controlled trials from January 2014 to January 2017. We also searched the reference lists of retrieved studies and reviews, and online clinical trials registries. SELECTION CRITERIA We included randomised, double-blind trials of two weeks' duration or longer, comparing gabapentin (any route of administration) with placebo or another active treatment for neuropathic pain, with participant-reported pain assessment. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data and assessed trial quality and potential bias. Primary outcomes were participants with substantial pain relief (at least 50% pain relief over baseline or very much improved on Patient Global Impression of Change scale (PGIC)), or moderate pain relief (at least 30% pain relief over baseline or much or very much improved on PGIC). We performed a pooled analysis for any substantial or moderate benefit. Where pooled analysis was possible, we used dichotomous data to calculate risk ratio (RR) and number needed to treat for an additional beneficial outcome (NNT) or harmful outcome (NNH). We assessed the quality of the evidence using GRADE and created 'Summary of findings' tables. MAIN RESULTS We included four new studies (530 participants), and excluded three previously included studies (126 participants). In all, 37 studies provided information on 5914 participants. Most studies used oral gabapentin or gabapentin encarbil at doses of 1200 mg or more daily in different neuropathic pain conditions, predominantly postherpetic neuralgia and painful diabetic neuropathy. Study duration was typically four to 12 weeks. Not all studies reported important outcomes of interest. High risk of bias occurred mainly due to small size (especially in cross-over studies), and handling of data after study withdrawal.In postherpetic neuralgia, more participants (32%) had substantial benefit (at least 50% pain relief or PGIC very much improved) with gabapentin at 1200 mg daily or greater than with placebo (17%) (RR 1.8 (95% CI 1.5 to 2.1); NNT 6.7 (5.4 to 8.7); 8 studies, 2260 participants, moderate-quality evidence). More participants (46%) had moderate benefit (at least 30% pain relief or PGIC much or very much improved) with gabapentin at 1200 mg daily or greater than with placebo (25%) (RR 1.8 (95% CI 1.6 to 2.0); NNT 4.8 (4.1 to 6.0); 8 studies, 2260 participants, moderate-quality evidence).In painful diabetic neuropathy, more participants (38%) had substantial benefit (at least 50% pain relief or PGIC very much improved) with gabapentin at 1200 mg daily or greater than with placebo (21%) (RR 1.9 (95% CI 1.5 to 2.3); NNT 5.9 (4.6 to 8.3); 6 studies, 1277 participants, moderate-quality evidence). More participants (52%) had moderate benefit (at least 30% pain relief or PGIC much or very much improved) with gabapentin at 1200 mg daily or greater than with placebo (37%) (RR 1.4 (95% CI 1.3 to 1.6); NNT 6.6 (4.9 to 9.9); 7 studies, 1439 participants, moderate-quality evidence).For all conditions combined, adverse event withdrawals were more common with gabapentin (11%) than with placebo (8.2%) (RR 1.4 (95% CI 1.1 to 1.7); NNH 30 (20 to 65); 22 studies, 4346 participants, high-quality evidence). Serious adverse events were no more common with gabapentin (3.2%) than with placebo (2.8%) (RR 1.2 (95% CI 0.8 to 1.7); 19 studies, 3948 participants, moderate-quality evidence); there were eight deaths (very low-quality evidence). Participants experiencing at least one adverse event were more common with gabapentin (63%) than with placebo (49%) (RR 1.3 (95% CI 1.2 to 1.4); NNH 7.5 (6.1 to 9.6); 18 studies, 4279 participants, moderate-quality evidence). Individual adverse events occurred significantly more often with gabapentin. Participants taking gabapentin experienced dizziness (19%), somnolence (14%), peripheral oedema (7%), and gait disturbance (14%). AUTHORS' CONCLUSIONS Gabapentin at doses of 1800 mg to 3600 mg daily (1200 mg to 3600 mg gabapentin encarbil) can provide good levels of pain relief to some people with postherpetic neuralgia and peripheral diabetic neuropathy. Evidence for other types of neuropathic pain is very limited. The outcome of at least 50% pain intensity reduction is regarded as a useful outcome of treatment by patients, and the achievement of this degree of pain relief is associated with important beneficial effects on sleep interference, fatigue, and depression, as well as quality of life, function, and work. Around 3 or 4 out of 10 participants achieved this degree of pain relief with gabapentin, compared with 1 or 2 out of 10 for placebo. Over half of those treated with gabapentin will not have worthwhile pain relief but may experience adverse events. Conclusions have not changed since the previous update of this review.
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Affiliation(s)
| | | | - Rae Frances Bell
- Haukeland University HospitalRegional Centre of Excellence in Palliative CareBergenNorway
| | - Andrew SC Rice
- Imperial College LondonPain Research, Department of Surgery and Cancer, Faculty of MedicineLondonUKSW10 9NH
| | - Thomas Rudolf Tölle
- Technische Universität MünchenDepartment of Neurology, Klinikum Rechts der IsarMöhlstrasse 28MunichGermany81675
| | - Tudor Phillips
- University of OxfordPain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics)Churchill HospitalOxfordUKOX3 7LJ
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Jeon Y. Therapeutic potential of stellate ganglion block in orofacial pain: a mini review. J Dent Anesth Pain Med 2016; 16:159-163. [PMID: 28884148 PMCID: PMC5586552 DOI: 10.17245/jdapm.2016.16.3.159] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 09/07/2016] [Accepted: 09/07/2016] [Indexed: 12/21/2022] Open
Abstract
Orofacial pain is a common complaint of patients that causes distress and compromises the quality of life. It has many etiologies including trauma, interventional procedures, nerve injury, varicella-zoster (shingles), tumor, and vascular and idiopathic factors. It has been demonstrated that the sympathetic nervous system is usually involved in various orofacial pain disorders such as postherpetic neuralgia, complex regional pain syndromes, and atypical facial pain. The stellate sympathetic ganglion innervates the head, neck, and upper extremity. In this review article, the effect of stellate ganglion block and its mechanism of action in orofacial pain disorders are discussed.
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Affiliation(s)
- Younghoon Jeon
- Department of Anesthesiology and Pain Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
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13
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The effect of superior cervical ganglion resection on peripheral facial palsy in rats. J Anesth 2016; 30:677-83. [PMID: 27146657 DOI: 10.1007/s00540-016-2181-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 04/23/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE Stellate ganglion block is performed to treat peripheral facial palsy because it increases blood flow and promotes nerve regeneration. Although stellate ganglion block increases blood flow around the facial nerve that runs outside the temporal bone, it may not affect blood flow inside the bone. Therefore, although stellate ganglion block is an effective procedure when the facial nerve is damaged outside the temporal bone, no studies have investigated the relationship between the site of nerve damage and the therapeutic effect of stellate ganglion block. Here, we investigated the efficacy of stellate ganglion block for facial palsy caused by facial nerve damage both inside and outside the temporal bone in rats. METHODS A rat facial palsy model was created with nerve cooling that damaged the facial nerve inside or outside the temporal bone. A rat facial palsy stellate ganglion block model was also created by performing superior cervical ganglion resection on facial palsy model rats, and the duration of paralysis was examined. RESULTS Facial nerve cooling inside and outside the temporal bone resulted in a mean duration of paralysis of 13.8 ± 1.6 days and 18.3 ± 2.2 days, respectively. Superior cervical ganglion resection in which the facial nerve had been cooled inside and outside the temporal bone reduced the mean duration of paralysis by 2.4 ± 1.3 days and 5.4 ± 1.3 days, respectively. CONCLUSION Stellate ganglion block was more effective in facial palsy caused by damage to the facial nerve outside, rather than inside, the temporal bone.
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Puente de la Vega Costa K, Gómez Perez MA, Roqueta C, Fischer L. Effects on hemodynamic variables and echocardiographic parameters after a stellate ganglion block in 15 healthy volunteers. Auton Neurosci 2016; 197:46-55. [PMID: 27143533 DOI: 10.1016/j.autneu.2016.04.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 03/06/2016] [Accepted: 04/11/2016] [Indexed: 12/28/2022]
Abstract
BACKGROUND The sympathetic nervous system has an important role in generating pain. Various pathomechanisms are involved that respond well to the application of local anesthetics (LA), for example to the stellate ganglion block (SGB). OBJECTIVES We wanted to know more about the effects of SGB on cardiovascular parameters. METHODS We included 15 healthy volunteers; another 15 healthy volunteers as a control group (sham injection of LA). In order to produce a more precise SGB, we employed only a small volume of LA (3mL), a LA with a lower permeability (procaine 1%), and a modified injection technique. Systolic and diastolic blood pressure (SBP, DBP), heart rate (HR), and echocardiographic parameters were recorded before and after SGB. We also investigated whether there are side differences (left and right SBG). RESULTS At baseline all parameters were within the normal range. After performing right and left SGB DBP significantly increased (on the right side from 68.73±8.61 to 73.53±11.10, p=0.015; on the left side from 70.66±13.01 to 77.93±10.40, p=0.003). In the control group no increase in DBP was observed. No side-specific differences were found, except a significant reduction in the maximum velocity of myocardial contraction during the systole with left-sided SGB. CONCLUSIONS Even with our methods we could not prevent the simultaneous occurrence of a partial parasympatholytic effect. For this reason, the SGB has only minor hemodynamic effects, which is desirable as it enhances the safety of the SGB.
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Affiliation(s)
| | - Miquel A Gómez Perez
- Cardiology Department, Hospital del Mar, Passeig Marítim 25-29, 08003 Barcelona, Spain; Medicine Department, Faculty of Medicine, Universitat Autonoma de Barcelona, Edifici W - UD de Medicina de la Vall d'Hebron, Passeig Vall d'Hebron 119, 08035 Barcelona, Spain.
| | - Cristina Roqueta
- Medicine Department, Faculty of Medicine, Universitat Autonoma de Barcelona, Edifici W - UD de Medicina de la Vall d'Hebron, Passeig Vall d'Hebron 119, 08035 Barcelona, Spain.
| | - Lorenz Fischer
- Department of Neural Therapy, IKOM, University of Bern, Inselspital, PH 4, 3010 Bern, Switzerland.
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Xavier TVH, Oliveira TRD, Mendes TCBS. Tratamento de pacientes portadores de olho cego doloroso por meio de bloqueio de gânglio estrelado. Rev Bras Anestesiol 2016. [DOI: 10.1016/j.bjan.2012.12.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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Cervical sympathetic block prolongs the latency and reduces the amplitude of trigeminal somatosensory evoked potentials on the contralateral side. J Clin Neurophysiol 2015; 32:39-43. [PMID: 25159735 DOI: 10.1097/wnp.0000000000000122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
PURPOSE The purpose of this study was to investigate the latency and amplitude of trigeminal somatosensory evoked potentials to clarify how nerve function on the contralateral side is affected after cervical sympathetic block (CSB). METHODS Subjects comprised 16 volunteers. For CSB, the tip of a needle was contacted with the transverse process of the sixth cervical vertebra on the right side, and lidocaine was injected. Trigeminal somatosensory evoked potentials were recorded bilaterally from C5/C6 scalp positions. Pupil diameters were also measured. Electrical stimulations were applied to the left-side lower lip, and trigeminal somatosensory evoked potentials waveforms derived from both sides of the scalp were recorded. Then, electrical stimulations were applied to the right-side of the lower lip, and recording was again performed. Recordings were performed at 5, 15, and 30 minutes after CSB. RESULTS On the CSB side, pupil diameter decreased at 5 and 15 minutes after CSB. Trigeminal somatosensory evoked potentials at contralateral stimulation showed a prolongation of the latency in both P20 and N25 components on bilateral recording sites 5 and 15 minutes after CSB. Trigeminal somatosensory evoked potentials' amplitude at contralateral stimulation was smaller than at ipsilateral stimulation 5 minutes after CSB. CONCLUSIONS Cervical sympathetic block prolongs the latency and reduces the amplitude of trigeminal somatosensory evoked potentials on the contralateral side.
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Jeon Y, Kim D. The effect of stellate ganglion block on the atypical facial pain. J Dent Anesth Pain Med 2015; 15:35-37. [PMID: 28879257 PMCID: PMC5564068 DOI: 10.17245/jdapm.2015.15.1.35] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/03/2015] [Accepted: 04/03/2015] [Indexed: 11/30/2022] Open
Abstract
Atypical facial pain (AFP) is a type of facial pain which does not fulfill any other diagnosis. It has several features such as no objective signs, no obvious explanation of the cause and poor response to treatments. We report a case of a female patient with AFP on the left maxillary area. The pain was increased by cold innocuous stimulation and thermography showed that the temperature on the painful area was significantly decreased. The pain was successfully alleviated by stellate ganglion block (SGB). Therefore, SGB can be effectively used to treat AFP.
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Affiliation(s)
- Younghoon Jeon
- Department of Anesthesiology and Pain Medicine, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Donggyeong Kim
- Department of Anesthesiology and Pain Medicine, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
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Jones GP, Tripathi SS. Successful use of stellate ganglion block and a new centrally acting analgesic with dual mode of action in a resistant temporomandibular joint pain. BMJ Case Rep 2014; 2014:bcr-2013-203308. [PMID: 24849638 DOI: 10.1136/bcr-2013-203308] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Stellate ganglion blocks have been shown to provide effective pain relief in a number of different conditions involving the upper body. This was demonstrated in a 65-year-old woman who had experienced severe debilitating pain in her left temporomandibular joint (TMJ) and the surrounding area of her face for over 10 years. The pain was unresponsive to indomethacin, carbamazepine, sodium valproate, gabapentin, lithium, melatonin and amitriptyline. She had also had four surgical procedures to the TMJ without success. The pain was partially responsive to Syndol tablets and pregabalin, although the use of pregabalin was limited by its adverse effects. The patient underwent 13 ultrasound guided stellate ganglion blocks over a 24-month period which demonstrated 90% pain relief for up to 10 weeks. Pulsed radio frequency lesioning showed no benefit over stellate ganglion block. More recently, tapentadol was found to be effective and this replaced the stellate ganglion blocks.
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Abstract
BACKGROUND This review is an update of a review published in 2011, itself a major update of previous reviews published in 2005 and 2000, investigating the effects of gabapentin in chronic neuropathic pain (pain due to nerve damage). Antiepileptic drugs are used to manage chronic neuropathic pain and fibromyalgia. OBJECTIVES To assess the analgesic efficacy and adverse effects of gabapentin in chronic neuropathic pain and fibromyalgia. SEARCH METHODS We identified randomised trials of gabapentin for chronic neuropathic pain or fibromyalgia by searching the databases MEDLINE (1966 to March 2014), EMBASE (1980 to 2014 week 10), and CENTRAL in The Cochrane Library (Issue 3 of 12, 2014). We obtained clinical trial reports and synopses of published and unpublished studies from Internet sources, and searched Clinicaltrials.gov. Searches were run originally in 2011 and the date of the most recent search was 17 March 2014. SELECTION CRITERIA Randomised, double-blind studies reporting the analgesic and adverse effects of gabapentin in neuropathic pain or fibromyalgia with assessment of pain intensity, pain relief, or both, using validated scales. Participants were adults. DATA COLLECTION AND ANALYSIS Three review authors independently extracted efficacy and adverse event data, examined issues of study quality, and assessed risk of bias. We performed analysis using three tiers of evidence. First tier evidence derived from data meeting current best standards and subject to minimal risk of bias (outcome equivalent to substantial pain intensity reduction, intention-to-treat analysis without imputation for dropouts; at least 200 participants in the comparison, 8 to 12 weeks duration, parallel design), second tier from data that failed to meet one or more of these criteria and were considered at some risk of bias but with adequate numbers in the comparison, and third tier from data involving small numbers of participants that were considered very likely to be biased or used outcomes of limited clinical utility, or both.For efficacy, we calculated the number needed to treat to benefit (NNT), concentrating on at least 50% pain intensity reduction, and Initiative on Methods, Measurement and Pain Assessment in Clinical Trials (IMMPACT) definitions of at least moderate and substantial benefit. For harm we calculated number needed to treat for harm (NNH) for adverse effects and withdrawal. Meta-analysis was undertaken using a fixed-effect model. We emphasised differences between conditions now defined as neuropathic pain, and other conditions like masticatory pain, complex regional painsyndrome type 1 (CRPS-1), and fibromyalgia. MAIN RESULTS Seven new studies with 1919 participants were added. Another report (147 participants) provided results for a study already included, but which previously had no usable data. A further report (170 participants) used an experimental formulation of intrathecal gabapentin. Thirty-seven studies (5633 participants) studied oral gabapentin at daily doses of 1200 mg or more in 12 chronic pain conditions; 84% of participants were in studies of postherpetic neuralgia, painful diabetic neuropathy or mixed neuropathic pain. There was no first tier evidence.Second tier evidence for the outcome of at least 50% pain intensity reduction, considered valuable by patients with chronic pain, showed that gabapentin was significantly better than placebo in postherpetic neuralgia (34% gabapentin versus 21% placebo; NNT 8.0, 95% CI 6.0 to 12) and painful diabetic neuropathy (38% versus 21%, NNT 5.9, 95% CI 4.6 to 8.3). There was insufficient information in other pain conditions to reach any reliable conclusion. There was no obvious difference between standard gabapentin formulations and recently-introduced extended-release or gastro-retentive formulations, or between different doses of gabapentin.Adverse events occurred significantly more often with gabapentin. Persons taking gabapentin could expect to have at least one adverse event (62%), withdraw because of an adverse event (11%), suffer dizziness (19%), somnolence (14%), peripheral oedema (7%), and gait disturbance (9%). Serious adverse events (3%) were no more common than with placebo.There were insufficient data for direct comparisons with other active treatments, and only third tier evidence for other painful conditions. AUTHORS' CONCLUSIONS There was no top tier evidence that was unequivocally unbiased. Second tier evidence, with potentially important residual biases, showed that gabapentin at doses of 1200 mg or more was effective for some people with some painful neuropathic pain conditions. The outcome of at least 50% pain intensity reduction is regarded as a useful outcome of treatment by patients, and the achievement of this degree of pain relief is associated with important beneficial effects on sleep interference, fatigue, and depression, as well as quality of life, function, and work. About 35% achieved this degree of pain relief with gabapentin, compared with 21% for placebo. Over half of those treated with gabapentin will not have worthwhile pain relief. Results might vary between different neuropathic pain conditions, and the amount of evidence for gabapentin in neuropathic pain conditions except postherpetic neuralgia and painful diabetic neuropathy, and in fibromyalgia, is very limited.The levels of efficacy found for gabapentin are consistent with those found for other drug therapies in postherpetic neuralgia and painful diabetic neuropathy.
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Affiliation(s)
- R Andrew Moore
- University of OxfordPain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics)Pain Research UnitChurchill HospitalOxfordUKOX3 7LE
| | - Philip J Wiffen
- University of OxfordPain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics)Pain Research UnitChurchill HospitalOxfordUKOX3 7LE
| | - Sheena Derry
- University of OxfordPain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics)Pain Research UnitChurchill HospitalOxfordUKOX3 7LE
| | - Andrew SC Rice
- Imperial College LondonPain Research, Department of Surgery and Cancer, Faculty of MedicineLondonUKSW10 9NH
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20
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Moore RA, Wiffen PJ, Derry S, Toelle T, Rice ASC. Gabapentin for chronic neuropathic pain and fibromyalgia in adults. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2014. [PMID: 24771480 DOI: 10.1002/14651858.cd007938] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND This review is an update of a review published in 2011, itself a major update of previous reviews published in 2005 and 2000, investigating the effects of gabapentin in chronic neuropathic pain (pain due to nerve damage). Antiepileptic drugs are used to manage chronic neuropathic pain and fibromyalgia. OBJECTIVES To assess the analgesic efficacy and adverse effects of gabapentin in chronic neuropathic pain and fibromyalgia. SEARCH METHODS We identified randomised trials of gabapentin for chronic neuropathic pain or fibromyalgia by searching the databases MEDLINE (1966 to March 2014), EMBASE (1980 to 2014 week 10), and CENTRAL in The Cochrane Library (Issue 3 of 12, 2014). We obtained clinical trial reports and synopses of published and unpublished studies from Internet sources, and searched Clinicaltrials.gov. Searches were run originally in 2011 and the date of the most recent search was 17 March 2014. SELECTION CRITERIA Randomised, double-blind studies reporting the analgesic and adverse effects of gabapentin in neuropathic pain or fibromyalgia with assessment of pain intensity, pain relief, or both, using validated scales. Participants were adults. DATA COLLECTION AND ANALYSIS Three review authors independently extracted efficacy and adverse event data, examined issues of study quality, and assessed risk of bias. We performed analysis using three tiers of evidence. First tier evidence derived from data meeting current best standards and subject to minimal risk of bias (outcome equivalent to substantial pain intensity reduction, intention-to-treat analysis without imputation for dropouts; at least 200 participants in the comparison, 8 to 12 weeks duration, parallel design), second tier from data that failed to meet one or more of these criteria and were considered at some risk of bias but with adequate numbers in the comparison, and third tier from data involving small numbers of participants that were considered very likely to be biased or used outcomes of limited clinical utility, or both.For efficacy, we calculated the number needed to treat to benefit (NNT), concentrating on at least 50% pain intensity reduction, and Initiative on Methods, Measurement and Pain Assessment in Clinical Trials (IMMPACT) definitions of at least moderate and substantial benefit. For harm we calculated number needed to treat for harm (NNH) for adverse effects and withdrawal. Meta-analysis was undertaken using a fixed-effect model. We emphasised differences between conditions now defined as neuropathic pain, and other conditions like masticatory pain, complex regional painsyndrome type 1 (CRPS-1), and fibromyalgia. MAIN RESULTS Seven new studies with 1919 participants were added. Another report (147 participants) provided results for a study already included, but which previously had no usable data. A further report (170 participants) used an experimental formulation of intrathecal gabapentin. Thirty-seven studies (5633 participants) studied oral gabapentin at daily doses of 1200 mg or more in 12 chronic pain conditions; 84% of participants were in studies of postherpetic neuralgia, painful diabetic neuropathy or mixed neuropathic pain. There was no first tier evidence.Second tier evidence for the outcome of at least 50% pain intensity reduction, considered valuable by patients with chronic pain, showed that gabapentin was significantly better than placebo in postherpetic neuralgia (34% gabapentin versus 21% placebo; NNT 8.0, 95% CI 6.0 to 12) and painful diabetic neuropathy (38% versus 21%, NNT 5.9, 95% CI 4.6 to 8.3). There was insufficient information in other pain conditions to reach any reliable conclusion. There was no obvious difference between standard gabapentin formulations and recently-introduced extended-release or gastro-retentive formulations, or between different doses of gabapentin.Adverse events occurred significantly more often with gabapentin. Persons taking gabapentin could expect to have at least one adverse event (62%), withdraw because of an adverse event (11%), suffer dizziness (19%), somnolence (14%), peripheral oedema (7%), and gait disturbance (9%). Serious adverse events (3%) were no more common than with placebo.There were insufficient data for direct comparisons with other active treatments, and only third tier evidence for other painful conditions. AUTHORS' CONCLUSIONS There was no top tier evidence that was unequivocally unbiased. Second tier evidence, with potentially important residual biases, showed that gabapentin at doses of 1200 mg or more was effective for some people with some painful neuropathic pain conditions. The outcome of at least 50% pain intensity reduction is regarded as a useful outcome of treatment by patients, and the achievement of this degree of pain relief is associated with important beneficial effects on sleep interference, fatigue, and depression, as well as quality of life, function, and work. About 35% achieved this degree of pain relief with gabapentin, compared with 21% for placebo. Over half of those treated with gabapentin will not have worthwhile pain relief. Results might vary between different neuropathic pain conditions, and the amount of evidence for gabapentin in neuropathic pain conditions except postherpetic neuralgia and painful diabetic neuropathy, and in fibromyalgia, is very limited.The levels of efficacy found for gabapentin are consistent with those found for other drug therapies in postherpetic neuralgia and painful diabetic neuropathy.
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Affiliation(s)
- R Andrew Moore
- Pain Research and Nuffield Department of Clinical Neurosciences, University of Oxford, Pain Research Unit, Churchill Hospital, Oxford, Oxfordshire, UK, OX3 7LE
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Xavier TVH, de Oliveira TR, Mendes TCBS. Treatment of patients with painful blind eye using stellate ganglion block. Braz J Anesthesiol 2014; 66:75-7. [PMID: 26768934 DOI: 10.1016/j.bjane.2012.12.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2012] [Accepted: 12/11/2012] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND AND OBJECTIVES management of pain in painful blind eyes is still a challenge. Corticosteroids and hypotensive agents, as well as evisceration and enucleation, are some of the strategies employed so far that are not always effective and, depending on the strategy, cause a deep emotional shock to the patient. Given these issues, the aim of this case report is to demonstrate a new and viable option for the management of such pain by treating the painful blind eye with the stellate ganglion block technique, a procedure that has never been described in the literature for this purpose. CASE REPORT six patients with painful blind eye, all caused by glaucoma, were treated; in these patients, VAS (visual analogue scale for pain assessment, in which 0 is the absence of pain and 10 is the worst pain ever experienced) ranged from 7 to 10. We opted for weekly sessions of stellate ganglion block with 4 mL of bupivacaine (0.5%) without vasoconstrictor and clonidine 1 mcg/kg. Four patients had excellent results at VAS, ranging between 0 and 3, and two remained asymptomatic (VAS=0), without the need for additional medication. The other two used gabapentin 300 mg every 12h. CONCLUSION currently, there are several therapeutic options for the treatment of painful blind eye, among which stand out the retrobulbar blocks with chlorpromazine, alcohol and phenol. However, an effective strategy with low rate of serious complications, which is non-mutilating and improves the quality of life of the patient, is essential. Then, stellate ganglion block arises as a demonstrably viable and promising option to meet this demand.
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Affiliation(s)
- Tatiana Vaz Horta Xavier
- Dr. Josefino Fagundes da Silva Pain Treatment Clinic, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Thiago Robis de Oliveira
- Dr. Josefino Fagundes da Silva Pain Treatment Clinic, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
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Abstract
Peripheral nerve blocks are currently performed relatively blind even in the most complex anatomical structures and physicians mostly rely on palpable anatomical landmarks on the surface. Ultrasound has become an indispensable part of the modern medical world and has long since found its way into almost all medical professions. More and more this trend also reaches interventional pain physicians as it is possible to accurately target structures, to track the needle course during the intervention and to visualize the spread of the local anesthetic. Another advantage compared to other radiological techniques is the profound radiation safety for patients as well as for personnel performing the intervention. A deep understanding of anatomy and its correlate in ultrasound images is one of the most important requirements for the successful use of these interventional techniques. Moreover, the safe performance of the procedure depends on the simultaneous hand-eye coordination. Nevertheless, despite the euphoria ultrasound technology should only be used in pain management with sufficient indications.
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Affiliation(s)
- J A Blunk
- Klinik für Anästhesiologie und Operative Intensivmedizin, Uniklinikum Köln, 50937, Köln, Deutschland,
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Utility of stellate ganglion block in atypical facial pain: a case report and consideration of its possible mechanisms. Case Rep Med 2013; 2013:293826. [PMID: 24065993 PMCID: PMC3770018 DOI: 10.1155/2013/293826] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Accepted: 07/27/2013] [Indexed: 11/25/2022] Open
Abstract
We present this report of a young patient with chronic severe atypical facial pain who was successfully controlled with stellate ganglion block under ultrasound guidance. The patient had a history of severe disabling, unilateral, facial neuropathic pain with minimal response to analgesic medications. Upon assessment the patient had features suggestive of trigeminal neuralgia, although postherpetic neuralgia could not be ruled out. As a diagnostic test intervention, stellate ganglion block was tried under ultrasound guidance. The patient showed significant improvement in pain control and functional disability lasting beyond 10 weeks. Subsequent blocks reinforced the analgesia. Atypical facial pain has several differential diagnoses. The involvement of sympathetic system in its causation or sustenance is uncertain. Stellate ganglion block achieves sympathetic block of cervicofacial structures, and its blockade has been shown to affect chronic pain conditions. Although its mechanism is not clear, one has to consider its possible role in conditions of stress apart from directly controlling the sympathetic activity. There is certainly a role in exploring the potential benefits of stellate ganglion block in such clinical conditions. The technique of stellate block under ultrasound is also described, as it influences the safety and precision of the block.
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[Ultrasound in interventional pain therapy]. Schmerz 2013; 27:325-37; quiz 337-9. [PMID: 23612787 DOI: 10.1007/s00482-012-1286-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Peripheral nerve blocks are currently performed relatively blind even in the most complex anatomical structures and physicians mostly rely on palpable anatomical landmarks on the surface. Ultrasound has become an indispensable part of the modern medical world and has long since found its way into almost all medical professions. More and more this trend also reaches interventional pain physicians as it is possible to accurately target structures, to track the needle course during the intervention and to visualize the spread of the local anesthetic. Another advantage compared to other radiological techniques is the profound radiation safety for patients as well as for personnel performing the intervention. A deep understanding of anatomy and its correlate in ultrasound images is one of the most important requirements for the successful use of these interventional techniques. Moreover, the safe performance of the procedure depends on the simultaneous hand-eye coordination. Nevertheless, despite the euphoria ultrasound technology should only be used in pain management with sufficient indications.
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Evidence for Interventional Procedures as an Adjunct Therapy in the Treatment of Shingles Pain. Adv Skin Wound Care 2012; 25:276-84; quiz 285-6. [DOI: 10.1097/01.asw.0000415345.22307.f3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
BACKGROUND This review updates parts of two earlier Cochrane reviews investigating effects of gabapentin in chronic neuropathic pain (pain due to nerve damage). Antiepileptic drugs are used to manage pain, predominantly for chronic neuropathic pain, especially when the pain is lancinating or burning. OBJECTIVES To evaluate the analgesic effectiveness and adverse effects of gabapentin for chronic neuropathic pain management. SEARCH STRATEGY We identified randomised trials of gabapentin in acute, chronic or cancer pain from MEDLINE, EMBASE, and CENTRAL. We obtained clinical trial reports and synopses of published and unpublished studies from Internet sources. The date of the most recent search was January 2011. SELECTION CRITERIA Randomised, double-blind studies reporting the analgesic and adverse effects of gabapentin in neuropathic pain with assessment of pain intensity and/or pain relief, using validated scales. Participants were adults aged 18 and over. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data. We calculated numbers needed to treat to benefit (NNTs), concentrating on IMMPACT (Initiative on Methods, Measurement and Pain Assessment in Clinical Trials) definitions of at least moderate and substantial benefit, and to harm (NNH) for adverse effects and withdrawal. Meta-analysis was undertaken using a fixed-effect model. MAIN RESULTS Twenty-nine studies (3571 participants), studied gabapentin at daily doses of 1200 mg or more in 12 chronic pain conditions; 78% of participants were in studies of postherpetic neuralgia, painful diabetic neuropathy or mixed neuropathic pain. Using the IMMPACT definition of at least moderate benefit, gabapentin was superior to placebo in 14 studies with 2831 participants, 43% improving with gabapentin and 26% with placebo; the NNT was 5.8 (4.8 to 7.2). Using the IMMPACT definition of substantial benefit, gabapentin was superior to placebo in 13 studies with 2627 participants, 31% improving with gabapentin and 17% with placebo; the NNT was 6.8 (5.6 to 8.7). These estimates of efficacy are more conservative than those reported in a previous review. Data from few studies and participants were available for other painful conditions.Adverse events occurred significantly more often with gabapentin. Persons taking gabapentin can expect to have at least one adverse event (66%), withdraw because of an adverse event (12%), suffer dizziness (21%), somnolence (16%), peripheral oedema (8%), and gait disturbance (9%). Serious adverse events (4%) were no more common than with placebo.There were insufficient data for comparisons with other active treatments. AUTHORS' CONCLUSIONS Gabapentin provides pain relief of a high level in about a third of people who take if for painful neuropathic pain. Adverse events are frequent, but mostly tolerable. More conservative estimates of efficacy resulted from using better definitions of efficacy outcome at higher, clinically important, levels, combined with a considerable increase in the numbers of studies and participants available for analysis.
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Affiliation(s)
- R Andrew Moore
- Pain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics), University of Oxford, Oxford, UK
| | | | - Sheena Derry
- Pain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics), University of Oxford, Oxford, UK
| | - Henry J McQuay
- Pain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics), University of Oxford, Oxford, UK
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Redistribution of Tissue Blood Flow After Stellate Ganglion Block in the Rabbit. Reg Anesth Pain Med 2009; 34:553-6. [DOI: 10.1097/aap.0b013e3181b4c505] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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