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Giordano M, Innocenti N, Rizzi M, Rinaldo S, Nazzi V, Eleopra R, Levi V. Incidence and management of idiopathic peri-lead edema (IPLE) following deep brain stimulation (DBS) surgery: Case series and review of the literature. Clin Neurol Neurosurg 2023; 234:108009. [PMID: 37857234 DOI: 10.1016/j.clineuro.2023.108009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/30/2023] [Accepted: 10/05/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE Idiopathic peri-lead edema (IPLE) is being increasingly described as a potential complication occurring after DBS surgery. Its incidence and relationship to post-operative symptoms, though, are still poorly defined and its understanding and management yet limited. METHODS We reviewed delayed (≥ 72 h) post-operative CT imaging of patients who underwent DBS surgery at our Institution. A comparison of clinical and laboratory findings was carried out between patients with IPLE and controls. RESULTS 61 patients, accounting for 115 electrodes, were included. Incidence of IPLE was 37.7 % per patient and 29.5 % per electrode. Patients with IPLE were significantly older than controls (52.82 ± 15.65 years vs 44.73 ± 18.82 years, p = 0.04). There was no difference in incidence of new-onset neurological symptoms between patients with IPLE and controls. Longer operative time (180.65 ± 34.30 min vs 158.34 ± 49.28 min, p = 0.06) and a greater number of MERs per electrode were associated with IPLE (3.37 ± 1.21 vs 3.00 ± 1.63, p = 0.089), though these comparisons did not meet the statistical significance. None of the patients with IPLE underwent hardware removal, with IPLE vanishing spontaneously over months. CONCLUSIONS IPLE is an underestimated, benign event that may occur after DBS surgery. Age, longer operative time and MER use may represent risk factors for IPLE formation, but further studies are needed. The presence of post-operative neurological symptoms and fever was not associated with IPLE presence, highlighting its benign nature and suggesting that empiric treatment may not be always justified.
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Affiliation(s)
- Martina Giordano
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
| | - Niccolò Innocenti
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Michele Rizzi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Sara Rinaldo
- Parkinson and Movement Disorders Unit, Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vittoria Nazzi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Roberto Eleopra
- Parkinson and Movement Disorders Unit, Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vincenzo Levi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Vetterick C, Lyons KE, Matthews LG, Pendal R, Ravina B. The Hidden Burden of Disease and Treatment Experiences of Patients with Essential Tremor: A Retrospective Claims Data Analysis. Adv Ther 2022; 39:5546-5567. [PMID: 36239902 PMCID: PMC9618517 DOI: 10.1007/s12325-022-02318-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 09/06/2022] [Indexed: 01/30/2023]
Abstract
INTRODUCTION Essential tremor (ET) affects approximately 7 million people in the USA, yet public recognition of the disease and its impact remain low. METHODS A retrospective observational study examined US claims data from 2015 to 2019 using the Compile database. ET diagnoses were captured using longitudinal data from 2015 to 2019 and for the year 2019, with diagnosis estimates extrapolated to the general US population. Confirmed ET was identified by an ET diagnosis code with at least two relevant prescriptions or by two diagnosis codes for ET and unspecified tremor at least 90 days apart. Comorbidity and treatment use data were extracted, and medication compliance and 2-year treatment persistence were assessed as measures of treatment adherence. RESULTS A total of 1,336,183 patients with ET diagnoses codes were identified from 2015 through 2019, corresponding to 2,226,971 projected US diagnoses. In 2019, 128,263 patients had a confirmed ET diagnosis, corresponding to 213,772 projected US confirmed diagnoses. Of these, 96% had at least one comorbidity, and 64% received at least one pharmacologic treatment. Propranolol (24%) and primidone (20%) comprised the most common ET prescriptions. Two-year medication discontinuation rates were approximately 40%. CONCLUSION Our findings revealed that 1 million people were diagnosed and sought treatment for ET in the USA from 2015 to 2019. Projected population estimates of approximately 2 million people diagnosed suggest a further 1 million remain untreated. Our findings highlight the complexity of patient care in ET, complicated by delayed diagnoses, multiple comorbidities, and lack of effective and tolerable therapies that can mitigate treatment adherence limitations.
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Affiliation(s)
- Christine Vetterick
- Praxis Precision Medicines, 99 High Street, 30th Floor, Boston, MA, 02110, USA
| | - Kelly E Lyons
- University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Lillian G Matthews
- Praxis Precision Medicines, 99 High Street, 30th Floor, Boston, MA, 02110, USA
| | - Robert Pendal
- Praxis Precision Medicines, 99 High Street, 30th Floor, Boston, MA, 02110, USA
| | - Bernard Ravina
- Praxis Precision Medicines, 99 High Street, 30th Floor, Boston, MA, 02110, USA.
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3
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Charmley AR, Kimber T, Mahant N, Lehn A. Driving restrictions following deep brain stimulation surgery. BMJ Neurol Open 2021; 3:e000210. [PMID: 34964044 PMCID: PMC8653775 DOI: 10.1136/bmjno-2021-000210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 10/28/2021] [Indexed: 11/04/2022] Open
Abstract
Background There are currently no Australian guidelines to assist clinicians performing deep brain stimulation (DBS) procedures in setting postoperative driving restrictions. Purpose We aimed to provide recommendations for post-DBS driving restrictions to guide practice in Australia. Methods A review of current Australian and international driving guidelines, literature regarding the adverse effects of DBS and literature regarding the long-term effect of neurostimulation on driving was conducted using Elton B Stephens Company discovery service-linked databases. Australian neurologists and neurosurgeons who perform DBS were surveyed to gain insight into existing practice. Results No guidance on driving restrictions following DBS surgery was found, either in existing driving guidelines or in the literature. There was a wide difference seen in the rates of reported adverse effects from DBS surgery. The most serious adverse events (haemorrhage, seizure and neurological dysfunction) were uncommon. Longer term, there does not appear to be any adverse effect of DBS on driving ability. Survey of Australian practitioners revealed a universal acceptance of the need for and use of driving restrictions after DBS but significant heterogeneity in how return to driving is managed. Conclusion We propose a 6-week driving restriction for private licences and 6-month driving restriction for commercial licences in uncomplicated DBS. We also highlight some of the potential pitfalls and pearls to assist clinicians to modify these recommendations where needed. Ultimately, we hope this will stimulate further examination of this issue in research and by regulatory bodies to provide more robust direction for practitioners performing DBS implantation.
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Affiliation(s)
- Andrew Roy Charmley
- Department of Neurology, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Thomas Kimber
- Central Adelaide Neurology Service, Royal Adelaide Hospital, Adelaide, South Australia, Australia.,Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia
| | - Neil Mahant
- Department of Neurology, Westmead Hospital, Westmead, New South Wales, Australia
| | - Alexander Lehn
- Department of Neurology, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.,University of Queensland, Brisbane, Queensland, Australia
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4
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Baig F, Pereira EAC. Letter to the Editor. DBS in elderly patients: neurological challenges versus neurosurgical complications. J Neurosurg 2021; 135:1582-1583. [PMID: 34144519 DOI: 10.3171/2021.2.jns21484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Wakim AA, Mattar JB, Lambert M, Ponce FA. Perioperative complications of deep brain stimulation among patients with advanced age: a single-institution retrospective analysis. J Neurosurg 2021; 135:1421-1428. [PMID: 33578378 DOI: 10.3171/2020.8.jns201283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 08/10/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Deep brain stimulation (DBS) is an elective procedure that can dramatically enhance quality of life. Because DBS is not considered lifesaving, it is important that providers produce consistently good outcomes, and one factor they usually consider is patient age. While older age may be a relative contraindication for some elective surgeries, the progressive nature of movement disorders treated with DBS may suggest that older patients stand to benefit substantially from surgery. To better understand the risks of treating patients of advanced age with DBS, this study compares perioperative complication rates in patients ≥ 75 to those < 75 years old. METHODS Patients undergoing DBS surgery for various indications by a single surgeon (May 2013-July 2019) were stratified into elderly (age ≥ 75 years) and younger (age < 75 years) cohorts. The risks of common perioperative complications and various outcome measures were compared between the two age groups using risk ratios (RRs) and 95% confidence intervals (CIs). RESULTS A total of 861 patients were available for analysis: 179 (21%) were ≥ 75 years old and 682 (79%) were < 75 years old (p < 0.001). Patients ≥ 75 years old, compared with those < 75 years old, did not have significantly different RRs (95% CIs) of seizure (RR 0.4, 95% CI 0.1-3.3), cerebrovascular accident (RR 1.9, 95% CI 0.4-10.3), readmission within 90 days of discharge (RR 1.22, 95% CI 0.8-1.8), explantation due to infection (RR 2.5, 95% CI 0.4-15.1), or surgical revision (for lead, RR 2.5, 95% CI 0.4-15.1; for internal pulse generator, RR 3.8, 95% CI 0.2-61.7). Although the risk of postoperative intracranial bleeding was higher in the elderly group (6.1%) than in the younger group (3.1%), this difference was not statistically significant (p = 0.06). However, patients ≥ 75 years old did have significantly increased risk of altered mental status (RR 2.5, 95% CI 1.6-4.0), experiencing more than a 1-night stay (RR 1.7, 95% CI 1.4-2.0), and urinary retention (RR 2.3, 95% CI 1.2-4.2; p = 0.009). CONCLUSIONS Although elderly patients had higher risks of certain outcome measures than younger patients, this study showed that elderly patients undergoing DBS for movement disorders did not have an increased risk of more serious complications, such as intracranial hemorrhage, infection, or readmission. Advanced age alone should not be considered a contraindication for DBS.
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Affiliation(s)
- Andre A Wakim
- 1Creighton University School of Medicine, Department of Medical Education, Phoenix, Arizona
| | - Jennifer B Mattar
- 2Kansas City University of Medical and Biosciences, School of Medicine, Joplin, Missouri; and
| | - Margaret Lambert
- 3Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona
| | - Francisco A Ponce
- 3Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona
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6
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Deng H, Yue JK, Wang DD. Trends in safety and cost of deep brain stimulation for treatment of movement disorders in the United States: 2002-2014. Br J Neurosurg 2020; 35:57-64. [PMID: 32476485 DOI: 10.1080/02688697.2020.1759776] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
PURPOSE Deep brain stimulation (DBS) is being increasingly utilized to treat movement disorders including Parkinson's disease (PD), essential tremor (ET), and dystonia. An improved understanding of national trends in safety and cost is necessary. Herein, our objectives are to (1) characterize complication, mortality, and cost profiles of patients undergoing DBS for movement disorders in the United States, (2) identify predictors of morbidity and mortality, and (3) evaluate impact of complications on cost. METHODS DBS surgeries were extracted from the National Inpatient Sample (NIS) 2002-2014 for the clinical indications of PD, ET, and dystonia. Patient characteristics and eight complication categories (hardware malfunction, infection, neurological, other haemorrhagic, thromboembolic, cardiac, pulmonary, and renal/urinary) were reviewed. Outcomes included complications, mortality, hospitalization length, and inflation-adjusted cost. RESULTS There were 44,866 weighted admissions (PD-73.5%, ET-22.7%, dystonia-3.8%). The number of procedures increased 2.22-fold from 2002 to 2014 (N = 2372 in 2002; N = 5260 in 2014). Inpatient cost was $22,802 ± 13,164, remaining stable from 2002 to 2014 ($24,188 ± 15,910, $20,630 ± 11,031, respectively). Four percent experienced complications (dystonia-6.0%, PD-4.4%, ET-3.1%, p < .001). In-hospital mortality was 0.2%. Cost was greater in patients with complications ($36,306 ± 29,263 vs. $22,196 ± 11,560, p < .001). Most common complications were renal/urinary (1.5%), neurological (1.1%), and pulmonary (0.7%). Thromboembolic, pulmonary, and haemorrhagic complications were associated with greatest cost. CONCLUSION Increased DBS utilization for adult movement disorders in the United States from 2002 to 2014 was attributed to rapid adoption by teaching hospitals for PD. DBS remains a safe procedure with low overall complications and stable inpatient costs from 2002 to 2014. Complication risks vary by type of movement disorder, and although rare, multiple complications increase morbidity and cost of care.
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Affiliation(s)
- Hansen Deng
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - John K Yue
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
| | - Doris D Wang
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
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Helmers AK, Kubelt C, Birkenfeld F, Deuschl G, Falk D, Mehdorn H, Witt K, Nowak-Göttl U, Synowitz M, Paschen S. Screening for Platelet Dysfunction and Use of Prophylactic Tranexamic Acid in Patients Undergoing Deep Brain Stimulation: A Retrospective Analysis of Incidence and Outcome of Intracranial Hemorrhage. Stereotact Funct Neurosurg 2020; 98:176-181. [DOI: 10.1159/000505714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 12/30/2019] [Indexed: 11/19/2022]
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8
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Bullard AJ, Hutchison BC, Lee J, Chestek CA, Patil PG. Estimating Risk for Future Intracranial, Fully Implanted, Modular Neuroprosthetic Systems: A Systematic Review of Hardware Complications in Clinical Deep Brain Stimulation and Experimental Human Intracortical Arrays. Neuromodulation 2019; 23:411-426. [DOI: 10.1111/ner.13069] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 08/05/2019] [Accepted: 09/10/2019] [Indexed: 01/08/2023]
Affiliation(s)
- Autumn J. Bullard
- Department of Biomedical Engineering University of Michigan Ann Arbor MI USA
| | | | - Jiseon Lee
- Department of Biomedical Engineering University of Michigan Ann Arbor MI USA
| | - Cynthia A. Chestek
- Department of Biomedical Engineering University of Michigan Ann Arbor MI USA
- Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor MI USA
| | - Parag G. Patil
- Department of Biomedical Engineering University of Michigan Ann Arbor MI USA
- Department of Neurosurgery University of Michigan Medical School Ann Arbor MI USA
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9
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Fernandez-Garcia C, Alonso-Frech F, Monje MHG, Matias-Guiu J. Role of deep brain stimulation therapy in the magnetic resonance-guided high-frequency focused ultrasound era: current situation and future prospects. Expert Rev Neurother 2019; 20:7-21. [PMID: 31623494 DOI: 10.1080/14737175.2020.1677465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Introduction: Deep brain stimulation (DBS) is a well-established treatment of movement disorders; but recently there has been an increasing trend toward the ablative procedure magnetic resonance-guided focused ultrasound (MRgFU). DBS is an efficient neuromodulatory technique but associated with surgical complications. MRIgFUS is an incision-free method that allows thermal lesioning, with fewer surgical complications but irreversible effects.Areas covered: We look at current and prospective aspects of both techniques. In DBS, appropriate patient selection, improvement in surgical expertise, target accuracy (preoperative and intraoperative imaging), neurophysiological recordings, and novel segmented leads need to be considered. However, increased number of older patients with higher comorbidities and risk of DBS complications (mainly intracranial hemorrhage, but also infections, hardware complications) make them not eligible for surgery. With MRgFUS, hemorrhage risks are virtually nonexistent, infection or hardware malfunction are eliminated, while irreversible side effects can appear.Expert commentary: Comparison of the efficacy and risks associated with these techniques, in combination with a growing aged population in developed countries with higher comorbidities and a preference for less invasive treatments, necessitates a review of the indications for movement disorders and the most appropriate treatment modalities.
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Affiliation(s)
- C Fernandez-Garcia
- Department of Neurosurgery, Hospital Clínico San Carlos, San Carlos Research Health Institute (IdISSC), Madrid, Spain.,Medicine Department, Universidad Complutense, Madrid, Spain
| | - F Alonso-Frech
- Department of Neurology, Hospital Clínico San Carlos, San Carlos Research Health Institute (IdISSC), Universidad Complutense, Madrid, Spain.,HM CINAC, Hospital Universitario HM Puerta del Sur, Universidad CEU-San Pablo, Móstoles, Madrid, Spain
| | - M H G Monje
- HM CINAC, Hospital Universitario HM Puerta del Sur, Universidad CEU-San Pablo, Móstoles, Madrid, Spain
| | - J Matias-Guiu
- Medicine Department, Universidad Complutense, Madrid, Spain.,Department of Neurology, Hospital Clínico San Carlos, San Carlos Research Health Institute (IdISSC), Universidad Complutense, Madrid, Spain
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10
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Farrokhi FR, Marsans MT, Sikora M, Monsell SE, Wright AK, Palmer M, Hoefer A, McLeod P, Mark J, Carlson J. Pre-operative smoking history increases risk of infection in deep brain stimulation surgery. J Clin Neurosci 2019; 69:88-92. [PMID: 31445813 DOI: 10.1016/j.jocn.2019.08.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 08/04/2019] [Indexed: 12/12/2022]
Abstract
Although general risk of deep brain stimulation (DBS) therapy has been previously described, application of risk prediction at the individual patient level is still largely at the discretion of a treating physician or a multidisciplinary team. To explore associations between potentially modifiable patient characteristics and common adverse events following DBS surgery, we retrospectively reviewed consecutive adult patients who had undergone new DBS electrode placement surgeries at two high-volume tertiary referral centers between October 1997 and May 2018. Among 501 patients included in the analysis (mean age (SD), 64.6 (10.4) years), 165 (32.9%) were female, 67 (13.4%) had diabetes, 231 (46.1%) had hypertension, 25 (5.0%) were smokers, 27 (5.4%) developed an infection, 15 (3.0%) had intracranial or intraventricular hemorrhage, and 53 (10.6%) had an unplanned return to the operating room. Patients who developed a surgical site infection were more likely to report history of smoking before DBS surgery (16% vs 5%, p = 0.04). There was a trend for patients with hypertension to be at risk for intracranial hemorrhage (p = 0.11). In conclusion, this multicenter study demonstrated an association between preoperative smoking and increased risk of infection following new DBS implantation surgery. Counseling about this risk should be considered in preoperative evaluation of patients who are considering undergoing a DBS procedure.
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Affiliation(s)
- Farrokh R Farrokhi
- Department of Neurosurgery, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA; Neuroscience Institute, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA.
| | - Maria T Marsans
- Department of Neurosurgery, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA; Neuroscience Institute, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA
| | - Matt Sikora
- Neuroscience Institute, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA
| | - Sarah E Monsell
- Center for Biomedical Statistics, University of Washington, NE Pacific St, Seattle, WA 98195, USA
| | - Anna K Wright
- Neuroscience Institute, Virginia Mason Hospital, 1100 Ninth Ave, Seattle, WA 98101, USA
| | - Meghan Palmer
- Inland Neurosurgery and Spine Associates, 105 West 8th Ave, Suite 200, Spokane, WA 99204, USA
| | - Aiden Hoefer
- Inland Neurosurgery and Spine Associates, 105 West 8th Ave, Suite 200, Spokane, WA 99204, USA
| | - Pam McLeod
- Inland Neurosurgery and Spine Associates, 105 West 8th Ave, Suite 200, Spokane, WA 99204, USA
| | - Jamie Mark
- Selkirk Neurology, 610 S Sherman St. Suite 201, Spokane, WA 99202, USA
| | - Jonathan Carlson
- Inland Neurosurgery and Spine Associates, 105 West 8th Ave, Suite 200, Spokane, WA 99204, USA
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11
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Buchlak QD, Kowalczyk M, Leveque JC, Wright A, Farrokhi F. Risk stratification in deep brain stimulation surgery: Development of an algorithm to predict patient discharge disposition with 91.9% accuracy. J Clin Neurosci 2018; 57:26-32. [DOI: 10.1016/j.jocn.2018.08.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 08/12/2018] [Accepted: 08/21/2018] [Indexed: 01/25/2023]
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Towards unambiguous reporting of complications related to deep brain stimulation surgery: A retrospective single-center analysis and systematic review of the literature. PLoS One 2018; 13:e0198529. [PMID: 30071021 PMCID: PMC6071984 DOI: 10.1371/journal.pone.0198529] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 05/21/2018] [Indexed: 02/04/2023] Open
Abstract
Background and objective To determine rates of adverse events (AEs) related to deep brain stimulation (DBS) surgery or implanted devices from a large series from a single institution. Sound comparisons with the literature require the definition of unambiguous categories, since there is no consensus on the reporting of such AEs. Patients and methods 123 consecutive patients (median age 63 yrs; female 45.5%) treated with DBS in the subthalamic nucleus (78 patients), ventrolateral thalamus (24), internal pallidum (20), and centre médian-parafascicular nucleus (1) were analyzed retrospectively. Both mean and median follow-up time was 4.7 years (578 patient-years). AEs were assessed according to three unambiguous categories: (i) hemorrhages including other intracranial complications because these might lead to neurological deficits or death, (ii) infections and similar AEs necessitating the explantation of hardware components as this results in the interruption of DBS therapy, and (iii) lead revisions for various reasons since this involves an additional intracranial procedure. For a systematic review of the literature AE rates were calculated based on primary data presented in 103 publications. Heterogeneity between studies was assessed with the I2 statistic and analyzed further by a random effects meta-regression. Publication bias was analyzed with funnel plots. Results Surgery- or hardware-related AEs (23) affected 18 of 123 patients (14.6%) and resolved without permanent sequelae in all instances. In 2 patients (1.6%), small hemorrhages in the striatum were associated with transient neurological deficits. In 4 patients (3.3%; 0.7% per patient-year) impulse generators were removed due to infection. In 2 patients electrodes were revised (1.6%; 0.3% per patient-year). There was no lead migration or surgical revision because of lead misplacement. Age was not statistically significant different (p>0.05) between patients affected by AEs or not. AE rates did not decline over time and similar incidences were found among all patients (423) implanted with DBS systems at our institution until December 2016. A systematic literature review revealed that exact AE rates could not be determined from many studies, which could not be attributed to study designs. Average rates for intracranial complications were 3.8% among studies (per-study analysis) and 3.4% for pooled analysis of patients from different studies (per-patient analysis). Annual hardware removal rates were 3.6 and 2.4% for per-study and per-patient analysis, respectively, and lead revision rates were 4.1 and 2.6%, respectively. There was significant heterogeneity between studies (I2 ranged between 77% and 91% for the three categories; p< 0.0001). For hardware removal heterogeneity (I2 = 87.4%) was reduced by taking study size (p< 0.0001) and publication year (p< 0.01) into account, although a significant degree of heterogeneity remained (I2 = 80.0%; p< 0.0001). Based on comparisons with health care-related databases there appears to be publication bias with lower rates for hardware-related AEs in published patient cohorts. Conclusions The proposed categories are suited for an unequivocal assessment of AEs even in a retrospective manner and useful for benchmarking. AE rates in the present cohorts from our institution compare favorable with the literature.
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Acil Servise Başvuran Hastalarda Post Operatif Komplikasyonların Epidemiyolojik İncelenmesi. JOURNAL OF CONTEMPORARY MEDICINE 2018. [DOI: 10.16899/gopctd.412029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
INTRODUCTION Essential tremor is the most common form of pathologic tremor. Surgical therapies disrupt tremorogenic oscillation in the cerebellothalamocortical pathway and are capable of abolishing severe tremor that is refractory to available pharmacotherapies. Surgical methods are raspidly improving and are the subject of this review. Areas covered: A PubMed search on 18 January 2018 using the query essential tremor AND surgery produced 839 abstracts. 379 papers were selected for review of the methods, efficacy, safety and expense of stereotactic deep brain stimulation (DBS), stereotactic radiosurgery (SRS), focused ultrasound (FUS) ablation, and radiofrequency ablation of the cerebellothalamocortical pathway. Expert commentary: DBS and SRS, FUS and radiofrequency ablations are capable of reducing upper extremity tremor by more than 80% and are far more effective than any available drug. The main research questions at this time are: 1) the relative safety, efficacy, and expense of DBS, SRS, and FUS performed unilaterally and bilaterally; 2) the relative safety and efficacy of thalamic versus subthalamic targeting; 3) the relative safety and efficacy of atlas-based versus direct imaging tractography-based anatomical targeting; and 4) the need for intraoperative microelectrode recordings and macroelectrode stimulation in awake patients to identify the optimum anatomical target. Randomized controlled trials are needed.
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Affiliation(s)
- Rodger J Elble
- a Neuroscience Institute , Southern Illinois University School of Medicine , Springfield , Illinois , USA
| | - Ludy Shih
- b Department of Neurology , Beth Israel Deaconess Medical Center, Harvard Medical School , Boston , Massachusetts USA
| | - Jeffrey W Cozzens
- a Neuroscience Institute , Southern Illinois University School of Medicine , Springfield , Illinois , USA
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Klein J, Büntjen L, Jacobi G, Galazky I, Panther P, Zaehle T, Kaufmann J, Heinze HJ, Voges J, Kupsch A. Bilateral thalamic deep brain stimulation for essential tremor in elderly patients. J Neural Transm (Vienna) 2017; 124:1093-1096. [DOI: 10.1007/s00702-017-1741-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 05/31/2017] [Indexed: 11/30/2022]
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Abstract
Currently available therapies for essential tremor (ET) provide sufficient control only for less than a half of patients and many unmet needs exist. This is in part due to the empiric nature of existing treatment options and persisting uncertainties about the pathogenesis of ET. The emerging concept of ET as a possible neurodegenerative disorder, better understanding of associated biochemical changes, including alterations in the γ-aminobutyric acid (GABA)-ergic system and gap junctions, and the identification of the role of the leucine-rich repeat and immunoglobulin-like domain-containing 1 (LINGO-1) gene in ET pathogenesis suggest new avenues for more targeted therapies. Here we review the most promising new approaches to treating ET, including allosteric modulation of GABA receptors and modifications of the LINGO-1 pathway. Medically refractory tremor can be successfully treated by high-frequency deep brain stimulation (DBS) of the ventral intermediate nucleus, but surgical therapies are also fraught with limitations due to adverse effects of stimulation and the loss of therapeutic response. The selection of additional thalamic and extrathalamic targets for electrode placements and the development of a closed-loop DBS system enabling automatic adjustment of stimulation parameters in response to changes in electrophysiologic brain activity are also reviewed. Tremor cancellation methods using exoskeleton and external hand-held devices are also briefly discussed.
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Affiliation(s)
- Peter Hedera
- Department of Neurology, Vanderbilt University, 465 21st Avenue South, 6140 MRB III, Nashville, TN 37240, USA
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17
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Chen T, Mirzadeh Z, Chapple K, Lambert M, Ponce FA. Complication rates, lengths of stay, and readmission rates in "awake" and "asleep" deep brain simulation. J Neurosurg 2016; 127:360-369. [PMID: 27662532 DOI: 10.3171/2016.6.jns152946] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE As the number of deep brain stimulation (DBS) procedures performed under general anesthesia ("asleep" DBS) increases, it is more important to assess the rates of adverse events, inpatient lengths of stay (LOS), and 30-day readmission rates in patients undergoing these procedures compared with those in patients undergoing traditional "awake" DBS without general anesthesia. METHODS All patients in an institutional database who had undergone awake or asleep DBS procedures performed by a single surgeon between August 2011 and August 2014 were reviewed. Adverse events, inpatient LOS, and 30-day readmissions were analyzed. RESULTS A total of 490 electrodes were placed in 284 patients, of whom 126 (44.4%) underwent awake surgery and 158 (55.6%) underwent asleep surgery. The most frequent overall complication for the cohort was postoperative mental status change (13 patients [4.6%]), followed by hemorrhage (4 patients [1.4%]), seizure (4 patients [1.4%]), and hardware-related infection (3 patients [1.1%]). Mean LOS for all 284 patients was 1.19 ± 1.29 days (awake: 1.06 ± 0.46 days; asleep: 1.30 ± 1.67 days; p = 0.08). Overall, the 30-day readmission rate was 1.4% (1 awake patient, 3 asleep patients). There were no significant differences in complications, LOS, and 30-day readmissions between awake and asleep groups. CONCLUSIONS Both awake and asleep DBS can be performed safely with low complication rates. The authors found no significant differences between the 2 procedure groups in adverse events, inpatient LOS, and 30-day readmission rates.
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Affiliation(s)
- Tsinsue Chen
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Zaman Mirzadeh
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Kristina Chapple
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Margaret Lambert
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Francisco A Ponce
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
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Brandmeir N, Nehrbass E, McInerney J. An Analysis of Scalp Thickness and Other Novel Risk Factors for Deep Brain Stimulator Infections. Cureus 2016; 8:e792. [PMID: 27774360 PMCID: PMC5072663 DOI: 10.7759/cureus.792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Introduction: Deep brain stimulator (DBS) infections are a persistent problem for patients undergoing this procedure. They may require further surgery, treatment with antibiotics, or even removal of the device. To date, no consensus exists on the best practices to avoid DBS infections or what factors predispose patients to an eventual infection. The goal of this study was to examine several patient factors for association with DBS infection. Methods: A single-center, single-surgeon quality improvement database was queried. All patients who experienced an infection were identified. The primary variable analyzed was scalp thickness. Other pre-specified, secondary variables included routine intraoperative cultures, operative time, diagnosis, and age. Results: None of the independent variables examined were significantly associated with DBS infections. Only two of the 46 infections qualified as surgical site infections as defined by the Centers for Disease Control. Conclusion: DBS infections are independent of all of the predictor variables analyzed. Surgical site infections, according to traditional definitions, are not the optimal definition for evaluating DBS infections/erosions. New studies must examine new variables that are not routinely gathered in this population. Also, because of the rare event rates and difficulty in randomizing patients to exposures, a large, multicenter registry may be the optimal study design to solve this clinical problem.
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Affiliation(s)
| | - Elena Nehrbass
- Department of Neurosurgery, Penn State Milton S Hershey Medical Center
| | - James McInerney
- Department of Neurosurgery, Penn State Milton S Hershey Medical Center
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19
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Abstract
Surgical procedures for dystonia and tremor have evolved over the past few decades, and our understanding of risk, benefit, and predictive factors has increased substantially in that time. Deep brain stimulation (DBS) is the most utilized surgical treatment for dystonia and tremor, though lesioning remains an effective option in appropriate patients. Dystonic syndromes that have shown a substantial reduction in severity secondary to DBS are isolated dystonia, including generalized, cervical, and segmental, as well as acquired dystonia such as tardive dystonia. Essential tremor is quite amenable to DBS, though the response of other forms of postural and kinetic tremor is not nearly as robust or consistent based on available evidence. Regarding targeting, DBS lead placement in the globus pallidus internus has shown marked efficacy in dystonia reduction. The subthalamic nucleus is an emerging target, and increasing evidence suggests that this may be a viable target in dystonia as well. The ventralis intermedius nucleus of the thalamus is the preferred target for essential tremor, though targeting the subthalamic zone/caudal zona incerta has shown promise and may emerge as another option in essential tremor and possibly other tremor disorders. In the carefully selected patient, DBS and lesioning procedures are relatively safe and effective for the management of dystonia and tremor.
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Affiliation(s)
- Jason L Crowell
- Department of Neurology, University of Virginia, PO Box 800394, Charlottesville, VA, 22908, USA
| | - Binit B Shah
- Department of Neurology, University of Virginia, PO Box 800394, Charlottesville, VA, 22908, USA.
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20
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Picillo M, Fasano A. Recent advances in Essential Tremor: Surgical treatment. Parkinsonism Relat Disord 2016; 22 Suppl 1:S171-5. [DOI: 10.1016/j.parkreldis.2015.09.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 09/02/2015] [Indexed: 11/26/2022]
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21
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TEKRIWAL A, BALTUCH G. Deep Brain Stimulation: Expanding Applications. Neurol Med Chir (Tokyo) 2015; 55:861-77. [PMID: 26466888 PMCID: PMC4686449 DOI: 10.2176/nmc.ra.2015-0172] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 10/15/2015] [Indexed: 12/13/2022] Open
Abstract
For over two decades, deep brain stimulation (DBS) has shown significant efficacy in treatment for refractory cases of dyskinesia, specifically in cases of Parkinson's disease and dystonia. DBS offers potential alleviation from symptoms through a well-tolerated procedure that allows personalized modulation of targeted neuroanatomical regions and related circuitries. For clinicians contending with how to provide patients with meaningful alleviation from often debilitating intractable disorders, DBSs titratability and reversibility make it an attractive treatment option for indications ranging from traumatic brain injury to progressive epileptic supra-synchrony. The expansion of our collective knowledge of pathologic brain circuitries, as well as advances in imaging capabilities, electrophysiology techniques, and material sciences have contributed to the expanding application of DBS. This review will examine the potential efficacy of DBS for neurologic and psychiatric disorders currently under clinical investigation and will summarize findings from recent animal models.
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Affiliation(s)
- Anand TEKRIWAL
- University of Pennsylvania, Department of Neurosurgery, Philadelphia, USA
- University of Colorado School of Medicine and Graduate School of Neuroscience, MSTP, Colorado, USA (current affiliation)
| | - Gordon BALTUCH
- University of Pennsylvania, Department of Neurosurgery, Philadelphia, USA
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22
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Fasano A, Deuschl G. Therapeutic advances in tremor. Mov Disord 2015; 30:1557-65. [DOI: 10.1002/mds.26383] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 07/29/2015] [Indexed: 12/12/2022] Open
Affiliation(s)
- Alfonso Fasano
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital-UHN, Division of Neurology, University of Toronto; Toronto Ontario Canada
| | - Günther Deuschl
- Department of Neurology; Christian-Albrechts-University Kiel; Germany
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