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Schultheis BC, Ross-Steinhagen N, Jerosch J, Breil-Wirth A, Weidle PA. The Impact of Dorsal Root Ganglion Stimulation on Pain Levels and Functionality in Patients With Chronic Postsurgical Knee Pain. Neuromodulation 2024; 27:151-159. [PMID: 36464561 DOI: 10.1016/j.neurom.2022.10.057] [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: 07/22/2022] [Revised: 09/29/2022] [Accepted: 10/31/2022] [Indexed: 12/03/2022]
Abstract
BACKGROUND Chronic postsurgical pain is a considerable source of disabling neuropathic pain. Rates of knee replacement surgeries are increasing, and many patients report chronic postsurgical pain in their wake. When conventional therapies prove ineffective, neuromodulation options such as dorsal root ganglion stimulation (DRGS) may be used. However, little is known about the effect of DRGS on improvements in quantitative functional outcome parameters. MATERIALS AND METHODS In a prospective observational study at two pain centers, patients with chronic postsurgical knee pain underwent implantation with a DRGS system after an interdisciplinary multimodal pain program. Ratings of pain, mood, quality of life, and function were captured at baseline and through 12 months of treatment. Quantitative measures (range of motion, walking distance, and pain medication usage) were also recorded. RESULTS Visual analog scale ratings of pain decreased from 8.6 to 3.0 (p < 0.0001; N = 11), and other pain measures agreed. Quality of life on the 36-Item Short Form Health Survey questionnaire improved from 69.3 to 87.6 (p < 0.0001), whereas the improvement in depression ratings was nonsignificant. International Knee Documentation Committee questionnaire ratings of function improved from 27.7 to 51.7 (p < 0.0001), which aligned with other functional measures. On average, knee range of motion improved by 24.5°, and walking distance dramatically increased from 125 meters to 1481. Cessation of opioids, antidepressants, and/or anticonvulsants was achieved by 73% of participants. CONCLUSIONS Both subjective-based questionnaire and quantitative examination-based variables were in broad agreement on the value of DRGS in improving functionality and chronic postsurgical pain in the knee. Although this finding is limited by the small sample size, this intervention may have utility in the many cases in which pain becomes problematic after orthopedic knee surgery.
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Affiliation(s)
- Björn Carsten Schultheis
- Hospital Neuwerk, Muscular-Skeletal Center, Spinalsurgery and Departement of Interventional Pain Management, Dünnerstrasse, Mönchengladbach, Germany.
| | - Nikolas Ross-Steinhagen
- Hospital Neuwerk, Muscular-Skeletal Center, Spinalsurgery and Departement of Interventional Pain Management, Dünnerstrasse, Mönchengladbach, Germany
| | - Joerg Jerosch
- Johanna Etienne Hospital Neuss, Endoprthetic Center, Neuss, Germany
| | | | - Patrick A Weidle
- Hospital Neuwerk, Muscular-Skeletal Center, Spinalsurgery and Departement of Interventional Pain Management, Dünnerstrasse, Mönchengladbach, Germany
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2
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Yang T, Li X, Xia P, Wang X, Lu J, Wang L. Effects of rTMS combined with rPMS on stroke patients with arm paralysis after contralateral seventh cervical nerve transfer: a case-series. Int J Neurosci 2023; 133:999-1007. [PMID: 35094616 DOI: 10.1080/00207454.2022.2032044] [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: 08/25/2021] [Revised: 11/25/2021] [Accepted: 01/14/2022] [Indexed: 10/19/2022]
Abstract
OBJECTIVE We conducted this study to evaluate the effect of rTMS combined with rPMS on stroke patients with arm paralysis after CSCNTS. METHODS A case-series of four stroke patients with arm paralysis, ages ranging from 39 to 51 years, that underwent CSCNTS was conducted. Patients were treated with 10 HZ rTMS on the contralesional primary motor cortex combined with 20 HZ rPMS on groups of elbow and wrist muscles for 15 days. RESULTS The muscle tone of elbow flexor muscle (EFM), elbow extensor muscle (EEM), wrist flexor muscle (WFM) and flexor digitorum (FD) reduced immediately after operation followed by increasing gradually. After rehabilitation, the muscle tone of EEM and EFM reduced by 14% and 11%, respectively. There was a 13% and 45% change ratio in WFM and FD. The numeric rating scale (mean = 5.75 ± 1.71) was significantly lower (mean = 3.25 ± 1.90, t = 8.66, p = .00). Grip and pinch strength (mean = 23.65 ± 4.91; mean = 4.9 ± 0.59) were significantly higher (mean = 34.63 ± 5.23, t = -61.07, p = .00; mean = 7.1 ± 0.73, t = -13.91, p = .00). CONCLUSIONS The rehabilitation of stroke patients with arm paralysis after CSCNTS is a long, complicated process which includes great change of neuropathic pain, muscle tone, and muscle strength. In order to enhance the neural connection between the contralesional hemisphere and the hemiplegic limb, alleviate postoperative complications, as well as accelerate the rehabilitation process, we can consider to use rTMS combined with rPMS.
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Affiliation(s)
- Ting Yang
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Jianqiang Lu
- Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Lin Wang
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
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3
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Graca MJ, Lubenow TR, Landphair WR, McCarthy RJ. Efficacy and Safety of Cervical and High-Thoracic Dorsal Root Ganglion Stimulation Therapy for Complex Regional Pain Syndrome of the Upper Extremities. Neuromodulation 2023; 26:1781-1787. [PMID: 36402657 DOI: 10.1016/j.neurom.2022.09.007] [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: 07/06/2022] [Revised: 09/05/2022] [Accepted: 09/23/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVES The purpose of this study was to evaluate analgesic and safety considerations for high thoracic and cervical dorsal root ganglion (DRG) neuromodulation for complex regional pain syndrome (CRPS). We hypothesized that DRG neuromodulation would provide sustained analgesia with complications like that of low thoracic or lumbar electrode implantation. MATERIALS AND METHODS A single-center, retrospective study was conducted of patients with CRPS I or II of the upper extremities, refractory to previous therapies, who were treated with DRG neuromodulation in the upper thoracic and cervical spine. The primary outcome was successful DRG therapy, defined as ≥ 50% pain relief on a Numeric Rating Scale (NRS) 0 to 10 pain scale at six months after implantation. A secondary outcome was a reduction in daily opioid use after DRG therapy. RESULTS After a DRG stimulation trial, 17 of 20 patients (85%) had ≥ 50% improvement in NRS pain and underwent a permanent pulse generator implant, with 100% endorsing ≥ 50% pain relief at six months. Mean NRS pain scores before DRG neuromodulation were 9.3 ± 1.1, with a mean reduction of 5.5 (95% CI, 4.5-6.6; p < 0.001) at six months. Ten patients were taking opioids at baseline; the median (interquartile range) dose was 45 mg (23 to 120) morphine equivalents (MME), which was reduced to 20 MME (15 to 40) at six months. The median reduction in daily MME use was -25 (95% CI, -100 to 20; p = 0.099). Six of 20 patients (30%) experienced a complication: three had lead migration; two experienced paresthesias; and one had a reduction in shoulder mobility. One patient had symptoms of a reversible spinal cord compression immediately after implant, requiring emergent electrode removal. CONCLUSIONS DRG neuromodulation for patients with CRPS of the upper extremities produced clinically important analgesia and reduced opioid use for ≥ six months but was associated with one serious complication.
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Affiliation(s)
- Mateusz J Graca
- Department of Anesthesiology, Rush University Medical Center, Chicago, IL, USA
| | - Timothy R Lubenow
- Department of Anesthesiology, Rush University Medical Center, Chicago, IL, USA.
| | - William R Landphair
- Department of Anesthesiology, Rush University Medical Center, Chicago, IL, USA
| | - Robert J McCarthy
- Department of Anesthesiology, Rush University Medical Center, Chicago, IL, USA
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Shlobin NA, Wu C. Current Neurostimulation Therapies for Chronic Pain Conditions. Curr Pain Headache Rep 2023; 27:719-728. [PMID: 37728863 DOI: 10.1007/s11916-023-01168-5] [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] [Accepted: 08/09/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE OF REVIEW Neurostimulation treatment options have become more commonly used for chronic pain conditions refractory to these options. In this review, we characterize current neurostimulation therapies for chronic pain conditions and provide an analysis of their effectiveness and clinical adoption. This manuscript will inform clinicians of treatment options for chronic pain. RECENT FINDINGS Non-invasive neurostimulation includes transcranial direct current stimulation and repetitive transcranial magnetic stimulation, while more invasive options include spinal cord stimulation (SCS), peripheral nerve stimulation (PNS), dorsal root ganglion stimulation, motor cortex stimulation, and deep brain stimulation. Developments in transcranial direct current stimulation, repetitive transcranial magnetic stimulation, spinal cord stimulation, and peripheral nerve stimulation render these modalities most promising for the alleviating chronic pain. Neurostimulation for chronic pain involves non-invasive and invasive modalities with varying efficacy. Well-designed randomized controlled trials are required to delineate the outcomes of neurostimulatory modalities more precisely.
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Affiliation(s)
- Nathan A Shlobin
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Chengyuan Wu
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, 909 Walnut Street, Floor 2, Philadelphia, PA, 19107, USA.
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Caragher SP, Khouri KS, Raasveld FV, Winograd JM, Valerio IL, Gfrerer L, Eberlin KR. The Peripheral Nerve Surgeon's Role in the Management of Neuropathic Pain. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e5005. [PMID: 37360238 PMCID: PMC10287132 DOI: 10.1097/gox.0000000000005005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/29/2023] [Indexed: 06/28/2023]
Abstract
Neuropathic pain (NP) underlies significant morbidity and disability worldwide. Although pharmacologic and functional therapies attempt to address this issue, they remain incompletely effective for many patients. Peripheral nerve surgeons have a range of techniques for intervening on NP. The aim of this review is to enable practitioners to identify patients with NP who might benefit from surgical intervention. The workup for NP includes patient history and specific physical examination maneuvers, as well as imaging and diagnostic nerve blocks. Once diagnosed, there is a range of options surgeons can utilize based on specific causes of NP. These techniques include nerve decompression, nerve reconstruction, nerve ablative techniques, and implantable nerve-modulating devices. In addition, there is an emerging role for preoperative involvement of peripheral nerve surgeons for cases known to carry a high risk of inducing postoperative NP. Lastly, we describe the ongoing work that will enable surgeons to expand their armamentarium to better serve patients with NP.
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Affiliation(s)
| | - Kimberly S. Khouri
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hosptial, Boston, Mass
| | - Floris V. Raasveld
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hosptial, Boston, Mass
- Department of Plastic, Reconstructive and Hand Surgery, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Jonathan M. Winograd
- From the Harvard Medical School, Boston, Mass
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hosptial, Boston, Mass
| | - Ian L. Valerio
- From the Harvard Medical School, Boston, Mass
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hosptial, Boston, Mass
| | - Lisa Gfrerer
- Division of Plastic and Reconstructive Surgery, Weill Cornell Medicine, New York, N.Y
| | - Kyle R. Eberlin
- From the Harvard Medical School, Boston, Mass
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hosptial, Boston, Mass
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Chapman KB, Tupper C, Vissers KC, van Helmond N, Yousef T. Dorsal root ganglion stimulation for the treatment of joint pain with predominantly nociceptive characteristics: A case series. Pain Pract 2023; 23:317-324. [PMID: 36334041 DOI: 10.1111/papr.13180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 09/28/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Dorsal root ganglion stimulation (DRG-S) has recently emerged as a novel therapy in neuromodulation that demonstrated a higher rate of success than spinal cord stimulation (SCS) in a prospective, head-to-head randomized comparative trial to treat complex regional pain syndrome (CRPS) and causalgia. In contrast to SCS, DRG-S also shows promise in treating conditions that are not purely neuropathic such as axial low back pain, which has a prominent nociplastic pain component. It is not known to what extent the effectiveness of DRG-S for such indications is due to effective treatment of the neuropathic pain component versus the effects of DRG-S on mechanical pain. Although rarely studied, reporting outcomes of DRG-S to treat predominantly mechanical/nociceptive pain may help point toward expanding the utility of this therapy. Here, we present five cases of refractory mechanical pain treated with DRG-S. METHODS A retrospective analysis of all patients who underwent a successful DRG-S trial and implant between September 2017 and September 2021 at our institute was performed. Patients who had intractable joint pain without strong evidence of neuropathic pain were included in this case series. The Budapest criteria for CRPS, the Douleur Neuropathique 4 Questions (DN4) survey, or a definable nerve injury were used to determine the presence of neuropathic pain. Baseline assessments for pain (Numeric Rating Scale [NRS]), function (Oswestry Disability Index [ODI]), quality of life (EuroQol-5 Dimension [EQ-5D]), and other applicable joint surveys were extracted from pre-trial baseline and follow-up appointments. RESULTS Five patients were identified and included. Patient diagnoses consisted of refractory joint pain of the hip, knee, or ankle. Mean NRS pain scores improved by 74% from 9.2 at baseline to 2.4 at the last follow-up (mean = 28 months post-implant). From baseline to the last follow-up, mean ODI scores improved by 65% from 66 to 23 and EQ-5D scores more than doubled from an average of 0.371 to 0.797. CONCLUSION This clinical report illustrates the potential utility DRG-S has in treating pain that clinically presents as predominantly refractory mechanical joint pain without a significant neuropathic component. The physiological reasons for our observations may be that DRG-S is able to directly influence the conduction of nociceptive signaling at the DRG and within the spinal cord. Further investigations are warranted to determine if DRG-S is a potential treatment option for chronic mechanical pain.
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Affiliation(s)
- Kenneth B Chapman
- Spine & Pain Institute of New York, New York, New York, USA.,Department of Anesthesiology, New York University Langone Medical Center, New York, New York, USA.,Departement of Anesthesiology, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA.,Department of Anesthesiology, Pain, and Palliative Medicine, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Connor Tupper
- Creighton University Medical College, Omaha, Nebraska, USA
| | - Kris C Vissers
- Department of Anesthesiology, Pain, and Palliative Medicine, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Noud van Helmond
- Spine & Pain Institute of New York, New York, New York, USA.,Department of Anesthesiology, Pain, and Palliative Medicine, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Tariq Yousef
- Spine & Pain Institute of New York, New York, New York, USA
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7
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Neurochirurgia del dolore. Neurologia 2023. [DOI: 10.1016/s1634-7072(22)47347-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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8
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Chapman KB, Sayed D, Lamer T, Hunter C, Weisbein J, Patel KV, Dickerson D, Hagedorn JM, Lee DW, Amirdelfan K, Deer T, Chakravarthy K. Best Practices for Dorsal Root Ganglion Stimulation for Chronic Pain: Guidelines from the American Society of Pain and Neuroscience. J Pain Res 2023; 16:839-879. [PMID: 36942306 PMCID: PMC10024474 DOI: 10.2147/jpr.s364370] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 01/17/2023] [Indexed: 03/14/2023] Open
Abstract
With continued innovations in neuromodulation comes the need for evolving reviews of best practices. Dorsal root ganglion stimulation (DRG-S) has significantly improved the treatment of complex regional pain syndrome (CRPS), and it has broad applicability across a wide range of other conditions. Through funding and organizational leadership by the American Society for Pain and Neuroscience (ASPN), this best practices consensus document has been developed for the selection, implantation, and use of DRG stimulation for the treatment of chronic pain syndromes. This document is composed of a comprehensive narrative literature review that has been performed regarding the role of the DRG in chronic pain and the clinical evidence for DRG-S as a treatment for multiple pain etiologies. Best practice recommendations encompass safety management, implantation techniques, and mitigation of the potential complications reported in the literature. Looking to the future of neuromodulation, DRG-S holds promise as a robust intervention for otherwise intractable pain.
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Affiliation(s)
- Kenneth B Chapman
- The Spine & Pain Institute of New York, New York, NY, USA
- Department of Anesthesiology, Zucker School of Medicine at Hofstra Northwell, Manhasset, NY, USA
- Department of Anesthesiology, NYU Langone Medical Center, New York, NY, USA
- Correspondence: Kenneth B Chapman, NYU Langone Medical Center, Zucker School of Medicine at Hofstra/Northwell, Pain Medicine at Staten Island University Hospital, 1360 Hylan Boulevard, Staten Island, NY, 10305, USA, Email
| | - Dawood Sayed
- Department of Anesthesiology, The University of Kansas Medical Center (KUMC), Kansas City, KS, USA
| | - Tim Lamer
- Department of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, Mayo Clinic, Rochester, MN, USA
| | - Corey Hunter
- Ainsworth Institute of Pain Management, New York, NY, USA
| | | | - Kiran V Patel
- The Spine & Pain Institute of New York, New York, NY, USA
- Department of Anesthesiology, Zucker School of Medicine at Hofstra Northwell, Manhasset, NY, USA
- Department of Anesthesiology, NYU Langone Medical Center, New York, NY, USA
| | - David Dickerson
- Department of Anesthesiology, Critical Care and Pain Medicine, NorthShore University Health System, Evanston, IL, USA
- Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL, USA
| | | | - David W Lee
- Fullerton Orthopedic Surgery Medical Group, Fullerton, CA, USA
| | | | - Timothy Deer
- The Spine and Nerve Center of the Virginias, Charleston, WV, USA
| | - Krishnan Chakravarthy
- Department of Anesthesiology and Pain Medicine, University of California San Diego Health Sciences, San Diego, CA, USA
- VA San Diego Healthcare System, San Diego, CA, USA
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Strand N, J M, Tieppo Francio V, M M, Turkiewicz M, El Helou A, M M, S C, N S, J P, C W. Advances in Pain Medicine: a Review of New Technologies. Curr Pain Headache Rep 2022; 26:605-616. [PMID: 35904729 PMCID: PMC9334973 DOI: 10.1007/s11916-022-01062-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2022] [Indexed: 11/25/2022]
Abstract
Purpose of Review This narrative review highlights the interventional musculoskeletal techniques that have evolved in recent years. Recent Findings The recent progress in pain medicine technologies presented here represents the ideal treatment of the pain patient which is to provide personalized care. Advances in pain physiology research and pain management technologies support each other concurrently. Summary As new technologies give rise to new perspectives and understanding of pain, new research inspires the development of new technologies
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Affiliation(s)
- Natalie Strand
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Phoenix, AZ, USA. .,NorthShore University HealthSystem, Evanston, IL, USA. .,University of Chicago Medicine, Chicago, IL, USA.
| | - Maloney J
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Vinicius Tieppo Francio
- Department of Rehabilitation Medicine, The University of Kansas Medical Center (KUMC), 3901 Rainbow Blvd. MS1046, Kansas City, KS, 66160, USA
| | - Murphy M
- Department of Rehabilitation Medicine, The University of Kansas Medical Center (KUMC), 3901 Rainbow Blvd. MS1046, Kansas City, KS, 66160, USA
| | | | - Antonios El Helou
- Department of Neurosurgery, The Moncton Hospital, Moncton, NB, Canada
| | - Maita M
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Covington S
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Singh N
- OrthoAlabama Spine and Sports, Birmingham, AL, USA
| | - Peck J
- Performing Arts Medicine Department, Shenandoah University, Winchester, VA, USA
| | - Wie C
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Phoenix, AZ, USA
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Abd-Elsayed A, Pope J, Mundey DA, Slavin KV, Falowski S, Chitneni A, Popielarski SR, John J, Grodofsky S, Vanetesse T, Fishman MA, Kim P. Diagnosis, Treatment, and Management of Painful Scar: A Narrative Review. J Pain Res 2022; 15:925-937. [PMID: 35411187 PMCID: PMC8994628 DOI: 10.2147/jpr.s355096] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 03/29/2022] [Indexed: 12/26/2022] Open
Abstract
Painful scars can develop after surgery or trauma, with symptoms ranging from a minor itch to intractable allodynia. The problem of the painful scar may involve both intraneural and extraneural structures, requiring a systematic approach to diagnosis and treatment of this neuropathic pain condition that can impact quality of life and function profoundly. In this review, we outline the algorithm for the diagnosis, management, medical and surgical treatment of painful scars.
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Affiliation(s)
- Alaa Abd-Elsayed
- Department of Anesthesia, Division of Pain Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
- Correspondence: Alaa Abd-Elsayed, FASA Department of Anesthesia, Division of Pain Medicine, University of Wisconsin School of Medicine and Public Health, 600 Highland Avenue, B6/319 CSC, Madison, WI, 53792-3272, USA, Tel +1 608-263-8100, Fax +1 608-263-0575, Email
| | - Jason Pope
- Evolve Restorative Center, Santa Rosa, CA, USA
| | | | - Konstantin V Slavin
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL, USA
- Neurology Service, Jesse Brown Veterans Administration Medical Center, Chicago, IL, USA
| | | | - Ahish Chitneni
- Department of Rehabilitation and Regenerative Medicine, New York-Presbyterian Hospital - Columbia and Cornell, New York, NY, USA
| | | | - Jarod John
- Argires Marotti Neurosurgical Associates, Lancaster, PA, USA
| | | | - Tony Vanetesse
- Center for Interventional Pain Spine, LLC., Wilmington, DE, USA
| | | | - Philip Kim
- Center for Interventional Pain Spine, LLC., Wilmington, DE, USA
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11
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The Neurostimulation Appropriateness Consensus Committee (NACC): Recommendations on Best Practices for Cervical Neurostimulation. Neuromodulation 2022; 25:35-52. [DOI: 10.1016/j.neurom.2021.10.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 11/19/2022]
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12
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D'Souza RS, Kubrova E, Her YF, Barman RA, Smith BJ, Alvarez GM, West TE, Abd-Elsayed A. Dorsal Root Ganglion Stimulation for Lower Extremity Neuropathic Pain Syndromes: An Evidence-Based Literature Review. Adv Ther 2022; 39:4440-4473. [PMID: 35994195 PMCID: PMC9464732 DOI: 10.1007/s12325-022-02244-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/23/2022] [Indexed: 01/30/2023]
Abstract
Dorsal root ganglion stimulation (DRG-S) is a form of selective neuromodulation therapy that targets the dorsal root ganglion. DRG-S offers analgesia in a variety of chronic pain conditions and is approved for treatment of complex regional pain syndrome (CRPS) by the US Food and Drug Administration (FDA). There has been increasing utilization of DRG-S to treat various neuropathic pain syndromes of the lower extremity, although evidence remains limited to one randomized controlled trial and 39 observational studies. In this review, we appraised the current evidence for DRG-S in the treatment of lower extremity neuropathic pain using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) criteria. The primary outcome was change in pain intensity after DRG-S compared to baseline. We stratified presentation of results based of type of neuropathy (CRPS, painful diabetic neuropathy, mononeuropathy, polyneuropathy) as well as location of neuropathy (hip, knee, foot). Future powered randomized controlled trials with homogeneous participants are warranted.
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Affiliation(s)
- Ryan S D'Souza
- Division of Pain Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Eva Kubrova
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Yeng F Her
- Division of Pain Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ross A Barman
- Division of Pain Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Brandon J Smith
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Gabriel M Alvarez
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Tyler E West
- Division of Pain Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Alaa Abd-Elsayed
- Department of Anesthesiology, University of Wisconsin, Madison, WI, USA.
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13
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Intermittent Dorsal Root Ganglion Stimulation Is as Efficacious as Standard Continuous Dosing in Treating Chronic Pain: Results From a Randomized Controlled Feasibility Trial. Neuromodulation 2022; 25:989-997. [DOI: 10.1016/j.neurom.2021.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/29/2021] [Accepted: 09/20/2021] [Indexed: 11/22/2022]
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14
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Kretzschmar M, Reining M. Dorsal root ganglion stimulation for treatment of central poststroke pain in the lower extremity after medullary infarction. Pain 2021; 162:2682-2685. [PMID: 34354016 DOI: 10.1097/j.pain.0000000000002439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/02/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT We report a case of relief in central poststroke pain of the lower extremity by stimulation of the dorsal root ganglion (DRG). Central poststroke pain is a poorly understood and even more poorly managed condition that can greatly impact the quality of life. To the best of our knowledge, this investigation is the first to describe the successful treatment of previously intractable chronic pain caused by stroke using DRG stimulation. Noting the anatomical structures and the physiological function, the efficacy of DRG stimulation in central poststroke pain could be explained in a neurophysiological manner. This clinical observation successfully builds on the existing understanding around the pathophysiology of central pain and offers the possibility of nondrug therapy for the treatment of this often refractory chronic pain syndrome.
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Affiliation(s)
- Michael Kretzschmar
- SRH Wald-Klinikum Gera, Clinic of Pain Medicine and Palliative Care, Gera, Germany
- SRH Hochschule für Gesundheit (University of Applied Health Sciences) Campus Gera, Gera, Germany
| | - Marco Reining
- SRH Wald-Klinikum Gera, Clinic of Pain Medicine and Palliative Care, Gera, Germany
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15
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Rupp A, Char S, Hagedorn JM. Dorsal Root Ganglion Stimulation for Chronic Pain After Total Knee Arthroplasty: A Narrative Review. PAIN MEDICINE 2021; 23:421-423. [PMID: 34613398 DOI: 10.1093/pm/pnab279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/30/2021] [Accepted: 09/15/2021] [Indexed: 11/13/2022]
Affiliation(s)
- Adam Rupp
- Department of Physical Medicine and Rehabilitation, University of Kansas Medical Center, Kansas City, Kansas
| | - Steven Char
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, New Jersey
| | - Jonathan M Hagedorn
- Department of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Chapman KB, Mogilner AY, Yang AH, Yadav A, Patel KV, Lubenow T, van Helmond N, Deer T, Kallewaard JW. Lead migration and fracture rate in dorsal root ganglion stimulation using anchoring and non-anchoring techniques: A multicenter pooled data analysis. Pain Pract 2021; 21:859-870. [PMID: 34145740 DOI: 10.1111/papr.13052] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Dorsal root ganglion stimulation (DRG-S) is a neuromodulation technique introduced in the last decade with evolving implant methods. Initial prospective research found low incidences of lead migration and lead fracture with DRG-S. However, several recent studies have highlighted high lead migration and lead fracture rates with DRG-S. We investigated the influence of lead anchoring on migrations and fractures. METHODS We performed a retrospective review between 2016 and 2020 of individuals implanted with DRG-S leads by 4 experienced implanters. The implanters independently changed their standard practice regarding lead anchoring over time, with opposing trends (no anchoring > anchoring, anchoring > no anchoring). We compared lead migration and lead fracture rates between anchored and unanchored DRG-S leads in the entire study cohort. Cox regression was performed on lead migration and fracture distributions. RESULTS We included 756 leads (n = 565 anchored and n = 191 unanchored) from 249 patients. In unanchored leads, migration occurred in 16 leads (8.4%) from 13 patients (21.0%). In anchored leads, migration occurred in 8 leads (1.4%) from 5 patients (2.7%). Fracture in unanchored leads occurred in 6 leads (3.1%) from 6 patients (9.7%). Fractures in anchored leads occurred in 11 leads (1.9%) from 9 patients (4.8%). The migration survival distributions for the anchored and unanchored leads were statistically significantly different (p < 0.01) with decreased survival for unanchored leads (hazard ratio = 5.8, 95% confidence interval [CI] = 2.2-15.5). DISCUSSION We found that anchoring DRG-S leads significantly reduces lead migration when compared to leads placed without an anchor. There was no significant difference in fracture rate between anchored and unanchored leads.
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Affiliation(s)
- Kenneth B Chapman
- The Spine & Pain Institute of New York, New York, New York, USA.,Department of Anesthesiology, NYU Langone Medical Center, New York, New York, USA.,Department of Anesthesiology, Zucker School of Medicine at Hofstra Northwell, Manhasset, New York, USA
| | - Alon Y Mogilner
- Department of Neurosurgery, NYU Langone Medical Center, New York, New York, USA
| | - Ajax H Yang
- The Spine & Pain Institute of New York, New York, New York, USA
| | - Abhishek Yadav
- Department of Anesthesiology and Perioperative Medicine, Brown University, Providence, Rhode Island, USA
| | - Kiran V Patel
- The Spine & Pain Institute of New York, New York, New York, USA.,Department of Anesthesiology, Zucker School of Medicine at Hofstra Northwell, Manhasset, New York, USA
| | - Timothy Lubenow
- Department of Anesthesiology, Rush University Medical Center, Chicago, Illinois, USA
| | - Noud van Helmond
- Department of Anesthesiology, Cooper Medical School of Rowan University, Cooper University Hospital, Camden, New Jersey, USA
| | - Timothy Deer
- The Spine and Nerve Center of the Virginias, Charleston, West Virginia, USA
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Strand N, Mahdi L, Schatman ME, Maloney J, Wie C. Case Study: Neuropathic Itching Following S3 and S4 Dorsal Root Ganglion Stimulator Trial. J Pain Res 2021; 14:501-504. [PMID: 33633463 PMCID: PMC7901405 DOI: 10.2147/jpr.s302876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 02/10/2021] [Indexed: 11/23/2022] Open
Affiliation(s)
- Natalie Strand
- Division of Pain Medicine, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Layth Mahdi
- Mayo Clinic Alix School of Medicine, Phoenix, AZ, USA
| | - Michael E Schatman
- Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA, USA.,Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA
| | - Jillian Maloney
- Division of Pain Medicine, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Christopher Wie
- Division of Pain Medicine, Mayo Clinic Arizona, Phoenix, AZ, USA
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Stelter B, Karri J, Marathe A, Abd-Elsayed A. Dorsal Root Ganglion Stimulation for the Treatment of Non-Complex Regional Pain Syndrome Related Chronic Pain Syndromes: A Systematic Review. Neuromodulation 2021; 24:622-633. [PMID: 33501749 DOI: 10.1111/ner.13361] [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: 10/06/2020] [Revised: 12/08/2020] [Accepted: 12/21/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND While the majority of indications and approvals for dorsal root ganglion stimulation (DRGS) are for the refractory management of complex regional pain syndrome (CRPS), emerging evidence has suggested that DRGS may be favorably used for a plethora of other chronic pain phenomena. Consequently, we aimed to characterize the use and efficacy of DRGS for these non-CRPS-related chronic pain syndromes. MATERIALS AND METHODS A systematic review of clinical studies demonstrating the use of DRGS for non-CRPS-related chronic pain syndromes. The literature search was performed using PubMed, Cochrane Library, and CINAHL plus across August and September 2020. RESULTS A total of 28 reports comprising 354 total patients were included in the analysis. Of the chronic pain syndromes presented, axial low back pain, chronic pelvic and groin pain, other peripheral neuropathies, and studies with multiple concomitant pain syndromes, a majority demonstrated >50% mean pain reduction at the time of last follow-up following DRGS. Physical function, quality of life (QOL), and lesser pain medication usage also were repeatedly reported to be significantly improved. CONCLUSIONS DRGS continues to lack supportive evidence from well designed, high level studies and recommendations from consensus committee experts. However, we present repeated and consistent evidence from lower level studies showing success with the use of DRGS for various non-CRPS chronic pain syndromes in reducing pain along with increasing function and QOL from one week to three years. Due to such low-level, high bias evidence, we strongly encourage the continuation of high-level studies in order to provide a stronger foundation for the use of DRGS in non-CRPS chronic pain patients. However, it may be reasonable and appropriate to evaluate patients for DRGS candidacy on a case-by-case basis particularly if they manifest focal pain syndromes refractory to noninterventional measures and may not be ideal candidates for other forms of neuromodulation.
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Affiliation(s)
- Bradly Stelter
- Department of Anesthesia, Division of Pain Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Jay Karri
- Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA
| | - Anuj Marathe
- Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA
| | - Alaa Abd-Elsayed
- Department of Anesthesia, Division of Pain Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Comparison of Different In Vivo Animal Models of Brachial Plexus Avulsion and Its Application in Pain Study. Neural Plast 2020; 2020:8875915. [PMID: 33273909 PMCID: PMC7676973 DOI: 10.1155/2020/8875915] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/26/2020] [Accepted: 10/29/2020] [Indexed: 01/11/2023] Open
Abstract
Brachial plexus injuries (BPIs) are high-energy trauma that can result in serious functional problems in the affected upper extremities, and brachial plexus avulsion (BPA) could be considered the most severe type of them. The booming occurrence rate of BPA brings up devastating impact on patients' life. Complications of muscle atrophy, neuropathic pain, and denervation-associated psychological disorders are major challenges in the treatment of BPA. Animal models of BPA are good vehicles for this kind of research. Full understanding of the current in vivo BPA models, which could be classified into anterior approach avulsion, posterior approach avulsion, and closed approach avulsion groups, could help researchers select the appropriate type of models for their studies. Each group of the BPA model has its distinct merits and demerits. An ideal BPA model that can inherit the advantages and make up for the disadvantages is still required for further exploration.
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