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Tomskiy AA, Bril EV, Gamaleya AA, Poddubskaya AA, Fedorova NV, Levin OS, Illarioshkin SN. [Problems in organizing neurosurgical care for patients with Parkinson's disease in the Russian Federation]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2024; 88:5-13. [PMID: 38881010 DOI: 10.17116/neiro2024880315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
BACKGROUND Currently, there are some problems in the Russian Federation complicating development of neurosurgical care for patients with Parkinson's disease (PD). MATERIAL AND METHODS In 2022, neurologists - movement disorders specialists were surveyed to analyze situation with PD pharmacological treatment and referral of patients for surgical treatment in Russian constituent entities. Data on neurosurgical treatment of PD were obtained by collecting information on the surgical activity of medical institutions in the Russian Federation. Most hospitals involved in PD treatment took part in this study. RESULTS The state of neurosurgical care for patients with PD is analyzed and possible ways to improve the quality of treatment are discussed. CONCLUSION Over the past 20 years, a system of neurosurgical care for patients with PD has been formed in 14 centers in the Russian Federation (2022). Obstacles to its further development can be divided into 3 categories: problems of patient selection and routing, complexity of organization and financing surgeries, and imperfect postoperative patient management. Ways to overcome these obstacles imply expanding the network of centers for extrapyramidal diseases, development of domestic neurostimulation systems, improving the distribution of quotas taking into account the capabilities of hospitals, specialized training of neurologists for extrapyramidal centers and neurosurgeons for deep brain stimulation centers, adequate financing and systematization of postoperative management of patients with PD.
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Affiliation(s)
- A A Tomskiy
- Burdenko Neurosurgical Center, Moscow, Russia
| | - E V Bril
- Burnazyan Federal Medical Biophysical Center, Moscow, Russia
- Russian Medical Academy of Continuing Professional Education, Moscow, Russia
| | | | | | - N V Fedorova
- Russian Medical Academy of Continuing Professional Education, Moscow, Russia
| | - O S Levin
- Russian Medical Academy of Continuing Professional Education, Moscow, Russia
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Olson MC, Shill H, Ponce F, Aslam S. Deep brain stimulation in PD: risk of complications, morbidity, and hospitalizations: a systematic review. Front Aging Neurosci 2023; 15:1258190. [PMID: 38046469 PMCID: PMC10690827 DOI: 10.3389/fnagi.2023.1258190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
Introduction Parkinson's disease (PD) is a progressive and debilitating neurological disorder. While dopaminergic medication improves PD symptoms, continued management is complicated by continued symptom progression, increasing medication fluctuations, and medication-related dyskinesia. Deep brain stimulation (DBS) surgery is a well-accepted and widespread treatment often utilized to address these symptoms in advanced PD. However, DBS may also lead to complications requiring hospitalization. In addition, patients with PD and DBS may have specialized care needs during hospitalization. Methods This systematic review seeks to characterize the complications and risk of hospitalization following DBS surgery. Patient risk factors and modifications to DBS surgical techniques that may affect surgical risk are also discussed. Results It is found that, when candidates are carefully screened, DBS is a relatively low-risk procedure, but rate of hospitalization is somewhat increased for DBS patients. Discussion More research is needed to determine the relative influence of more advanced disease vs. DBS itself in increased rate of hospitalization, but education about DBS and PD is important to insure effective patient care within the hospital.
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Affiliation(s)
- Markey C. Olson
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Holly Shill
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Francisco Ponce
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Sana Aslam
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
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Rissardo JP, Vora NM, Tariq I, Mujtaba A, Caprara ALF. Deep Brain Stimulation for the Management of Refractory Neurological Disorders: A Comprehensive Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1991. [PMID: 38004040 PMCID: PMC10673515 DOI: 10.3390/medicina59111991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/04/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023]
Abstract
In recent decades, deep brain stimulation (DBS) has been extensively studied due to its reversibility and significantly fewer side effects. DBS is mainly a symptomatic therapy, but the stimulation of subcortical areas by DBS is believed to affect the cytoarchitecture of the brain, leading to adaptability and neurogenesis. The neurological disorders most commonly studied with DBS were Parkinson's disease, essential tremor, obsessive-compulsive disorder, and major depressive disorder. The most precise approach to evaluating the location of the leads still relies on the stimulus-induced side effects reported by the patients. Moreover, the adequate voltage and DBS current field could correlate with the patient's symptoms. Implantable pulse generators are the main parts of the DBS, and their main characteristics, such as rechargeable capability, magnetic resonance imaging (MRI) safety, and device size, should always be discussed with patients. The safety of MRI will depend on several parameters: the part of the body where the device is implanted, the part of the body scanned, and the MRI-tesla magnetic field. It is worth mentioning that drug-resistant individuals may have different pathophysiological explanations for their resistance to medications, which could affect the efficacy of DBS therapy. Therefore, this could explain the significant difference in the outcomes of studies with DBS in individuals with drug-resistant neurological conditions.
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Affiliation(s)
| | - Nilofar Murtaza Vora
- Medicine Department, Terna Speciality Hospital and Research Centre, Navi Mumbai 400706, India;
| | - Irra Tariq
- Medicine Department, United Medical & Dental College, Karachi 75600, Pakistan;
| | - Amna Mujtaba
- Medicine Department, Karachi Medical & Dental College, Karachi 74700, Pakistan;
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4
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Becker KN, Gifford CS, Qaqish H, Alexander C, Ren G, Caras A, Miller WK, Schroeder JL. A Population-Based Study of Patients with Sleep-Wake Disorders Undergoing Elective Instrumented Spinal Surgery. World Neurosurg 2022; 160:e335-e343. [PMID: 35032715 DOI: 10.1016/j.wneu.2022.01.008] [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: 11/15/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Sleep-wake disorders are associated with multisystemic pathologies, but the clinical risk that such disorders carry for spinal surgery patients is not well understood. This population-based study comprehensively evaluates the significance of sleep-related risk factors on instrumented spinal surgery outcomes. METHODS National Inpatient Sample data for hospitalizations of patients undergoing elective instrumented spine surgery between 2008 and 2014 was analyzed using national estimates. Cohorts were defined as those admissions with or without a coexisting sleep-wake disorder diagnosis identified by ICD-9 codes. Postoperative complications, mortality rate, length of stay, discharge status, and total cost of admission were compared between groups using bivariate and multivariate analyses. RESULTS A coexisting sleep-wake disorder existed in 234,640 (10.8%) of 2,171,167 instrumented spinal surgery hospitalizations. Multivariate binary logistic regression accounting for these variables confirmed that a sleep-wake disorder is a significant risk factor for postoperative complication (OR 1.160, 95% CI 1.140-1.179, p<0.0001), length of stay above the 75th percentile (OR 1.303, 95% CI 1.288-1.320, p<0.0001), non-routine discharge (OR 1.147, 95% CI 1.131-1.163, p<0.0001), and death (OR 1.533, 95% CI 1.131-2.078, p<0.01), but not for total charges above the 75th percentile (OR 0.975, 95% CI 0.962-0.989, p<0.001). CONCLUSIONS Sleep-wake disorders confer increased risk of morbidity and mortality in elective instrumented spine surgery. Understanding the specific contributions of sleep-wake disorders to postoperative morbidity and mortality can help physicians implement prophylactic measures to reduce complications and improve postoperative patient recovery.
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Affiliation(s)
- Kathryn N Becker
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA.
| | - Connor S Gifford
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA
| | - Hanan Qaqish
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA
| | - Christopher Alexander
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA
| | - Gang Ren
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA
| | - Andrew Caras
- Department of Neurosurgery, Virginia Commonwealth University, Richmond, VA, USA
| | - William K Miller
- Department of Neurosurgery, University of Illinois College of Medicine at Peoria, Peoria, IL, USA
| | - Jason L Schroeder
- Division of Neurosurgery, Department of Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH, USA; ProMedica Physicians Neurosurgery, Toledo, OH, USA
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Visanji NP, Ghani M, Yu E, Kakhki EG, Sato C, Moreno D, Naranian T, Poon YY, Abdollahi M, Naghibzadeh M, Rajalingam R, Lozano AM, Kalia SK, Hodaie M, Cohn M, Statucka M, Boutet A, Elias GJB, Germann J, Munhoz R, Lang AE, Gan-Or Z, Rogaeva E, Fasano A. Axial Impairment Following Deep Brain Stimulation in Parkinson's Disease: A Surgicogenomic Approach. JOURNAL OF PARKINSONS DISEASE 2021; 12:117-128. [PMID: 34602499 PMCID: PMC8842751 DOI: 10.3233/jpd-212730] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Background: Postoperative outcome following deep brain stimulation (DBS) of the subthalamic nucleus is variable, particularly with respect to axial motor improvement. We hypothesized a genetic underpinning to the response to surgical intervention, termed “surgicogenomics”. Objective: We aimed to identify genetic variants associated with clinical heterogeneity in DBS outcome of Parkinson’s disease (PD) patients that could then be applied clinically to target selection leading to improved surgical outcome. Methods: Retrospective clinical data was extracted from 150 patient’s charts. Each individual was genotyped using the genome-wide NeuroX array tailored to study neurologic diseases. Genetic data were clustered based on surgical outcome assessed by comparing pre- and post-operative scores of levodopa equivalent daily dose and axial impairment at one and five years post-surgery. Allele frequencies were compared between patients with excellent vs. moderate/poor outcomes grouped using a priori defined cut-offs. We analyzed common variants, burden of rare coding variants, and PD polygenic risk score. Results: NeuroX identified 2,917 polymorphic markers at 113 genes mapped to known PD loci. The gene-burden analyses of 202 rare nonsynonymous variants suggested a nominal association of axial impairment with 14 genes (most consistent with CRHR1, IP6K2, and PRSS3). The strongest association with surgical outcome was detected between a reduction in levodopa equivalent daily dose and common variations tagging two linkage disequilibrium blocks with SH3GL2. Conclusion: Once validated in independent populations, our findings may be implemented to improve patient selection for DBS in PD.
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Affiliation(s)
- Naomi P Visanji
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | | | - Eric Yu
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montreal, Quebec, Canada.,The Department of Human Genetics, McGill University, Montreal, Quebec, Canada
| | - Erfan Ghani Kakhki
- DisorDATA Analytics, Ottawa, ON, Canada.,Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, Canada
| | - Christine Sato
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, Canada
| | - Danielle Moreno
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, Canada
| | - Taline Naranian
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
| | - Yu-Yan Poon
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
| | - Maryam Abdollahi
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
| | - Maryam Naghibzadeh
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
| | - Rajasumi Rajalingam
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada.,Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - Andres M Lozano
- Department of Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada.,Krembil Brain Institute, Toronto, Ontario, Canada
| | - Suneil K Kalia
- Department of Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada.,Krembil Brain Institute, Toronto, Ontario, Canada.,CenteR for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, ON, Canada
| | - Mojgan Hodaie
- Department of Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada.,Krembil Brain Institute, Toronto, Ontario, Canada
| | - Melanie Cohn
- Krembil Brain Institute, Toronto, Ontario, Canada
| | | | - Alexandre Boutet
- Joint Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
| | - Gavin J B Elias
- Department of Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Jürgen Germann
- Department of Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Renato Munhoz
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada.,Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Anthony E Lang
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada.,Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, Canada.,Krembil Brain Institute, Toronto, Ontario, Canada.,Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Ziv Gan-Or
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montreal, Quebec, Canada.,The Department of Human Genetics, McGill University, Montreal, Quebec, Canada.,The Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Ekaterina Rogaeva
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, Canada.,Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada.,Krembil Brain Institute, Toronto, Ontario, Canada.,Division of Neurology, University of Toronto, Toronto, Ontario, Canada.,CenteR for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, ON, Canada
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Kortz MW, Kongs BM, McCray E, Grassia F, Hosokawa P, Bernstein JE, Moore SP, Yanovskaya M, Ojemann SG. How neuropsychiatric comorbidity, modulatory indication, demographics, and other factors impact deep brain stimulation inpatient outcomes in the United States: A population-based study of 27,956 patients. Clin Neurol Neurosurg 2021; 208:106842. [PMID: 34339900 DOI: 10.1016/j.clineuro.2021.106842] [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: 06/05/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To determine how neuropsychiatric comorbidity, modulatory indication, demographics, and other characteristics affect inpatient deep brain stimulation (DBS) outcomes. METHODS This is a retrospective study of 45 months' worth of data from the National Inpatient Sample. Patients were aged ≥ 18 years old and underwent DBS for Parkinson Disease (PD), essential tremor (ET), general dystonia and related disorders, other movement disorder (non-PD/ET), or obsessive-compulsive disorder (OCD) at a US hospital. Primary endpoints were prolonged length of stay (PLOS), high-end hospital charges (HEHCs), unfavorable disposition, and inpatient complications. Logistic models were constructed with odds ratios under 95% confidence intervals. A p-value of 0.05 determined significance. RESULTS Of 214,098 records, there were 27,956 eligible patients. Average age was 63.9 ± 11.2 years, 17,769 (63.6%) were male, and 10,182 (36.4%) patients were female. Most of the cohort was White (51.1%), Medicare payer (64.3%), and treated at a large-bed size (80.7%), private non-profit (76.9%), and metro-teaching (94.0%) hospital. Neuropsychiatric comorbidity prevalence ranged from 29.9% to 47.7% depending on indication. Compared with PD, odds of complications and unfavorable disposition were significantly higher with other movement disorders and dystonia, whereas OCD conferred greater risk for HEHCs (p < 0.05). Patients with ET had favorable outcomes. Neuropsychiatric comorbidity, Black race, and Charlson Comorbidity Index > 0 were significantly associated with unfavorable outcomes (p < 0.05). CONCLUSION The risk of adverse inpatient outcomes for DBS in the United States is independently correlated with non-PD/ET disorders, neuropsychiatric comorbidity, and non-White race, reflecting the heterogeneity and infancy of widespread DBS for these patients.
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Affiliation(s)
- Michael W Kortz
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA.
| | - Brian M Kongs
- College of Osteopathic Medicine, Kansas City University, Kansas City, MO, USA
| | - Edwin McCray
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Fabio Grassia
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Patrick Hosokawa
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jacob E Bernstein
- Department of Neurosurgery, Riverside University Health System, Riverside, CA, USA
| | - Sean P Moore
- College of Osteopathic Medicine, Kansas City University, Kansas City, MO, USA
| | - Mariya Yanovskaya
- College of Osteopathic Medicine, Kansas City University, Kansas City, MO, USA
| | - Steven G Ojemann
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
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Iorio-Morin C, Hodaie M, Lozano AM. Adoption of focused ultrasound thalamotomy for essential tremor: why so much fuss about FUS? J Neurol Neurosurg Psychiatry 2021; 92:549-554. [PMID: 33563810 DOI: 10.1136/jnnp-2020-324061] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 11/27/2020] [Accepted: 12/22/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND Focused ultrasound (FUS) was approved as a new treatment modality for essential tremor (ET) in 2016. The goal of this study was to quantify FUS adoption for ET and understand its drivers. METHODS The adoption of the various surgical options for ET was estimated using three measures: the number of presentations on the various surgical treatments for ET at specialised international meetings, the number of original papers published as identified by literature searches and the number of thalamotomy procedures performed worldwide for ET as provided by device manufacturers' registries. RESULTS First, we found that the number of presentations related to lesioning procedures is increasing relative to deep brain stimulation (DBS) at international meetings. Second, there are already more publications on FUS (93) than stereotactic radiosurgery (SRS) (68) or radiofrequency (43) for ET, although they still lag behind DBS papers (750). Third, the number of annual FUS thalamotomies performed for ET (n>1200 in 2019) in 44 centres has surpassed the annual procedures across 342 Gamma Knife units (n<400, 2018) but is yet to reach the number of DBS cases for ET estimated at over 2400/year. CONCLUSION FUS is being rapidly adopted for the treatment of ET. We hypothesise that its perceived minimally invasive nature coupled with the ability to perform intraoperative clinical assessments, its immediate effects and active marketing efforts are contributing factors. As lesioning modalities for the treatment of ET are reappraised, the superior popularity of FUS over SRS appears to arise for reasons other than differences in clinical outcomes.
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Affiliation(s)
- Christian Iorio-Morin
- Neurosurgery, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec, Canada
| | - Mojgan Hodaie
- Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Andres M Lozano
- Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
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Azevedo P, Aquino CC, Fasano A. Surgical Management of Parkinson's Disease in the Elderly. Mov Disord Clin Pract 2021; 8:500-509. [PMID: 33981782 DOI: 10.1002/mdc3.13161] [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: 10/23/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 11/09/2022] Open
Abstract
Background Deep Brain Stimulation (DBS) is an increasingly popular therapy for Parkinson's Disease (PD). Despite the experience gained over time with DBS of either the subthalamus or the globus pallidus pars interna, there is still no consensus regarding the age limit for DBS indication. Objectives This narrative review of the literature discusses the issues of age and DBS, emphasizing the critical need for good quality evidence to support the surgical management of elderly patients with PD. Methods We searched PubMed using the terms Parkinson's Disease; Parkinson's Disease therapy; deep brain stimulation; antiparkinsonian agents therapeutic use; age factors; aged; aged, 80 and over; middle aged; treatment outcome; and risk assessments. Results We identified several limitations of the available evidence, such as under-representation of older patients in DBS studies, small sample sizes in studies with older participants, heterogeneity of outcomes, and conflicting results. Conclusions Despite preliminary suggestions that age might affect the outcomes of DBS, the evidence to support the hypothesis of age as an independent predictor of DBS outcomes is limited and results are controversial. Ultimately, finding an age-independent biomarker predicting DBS outcome is the final goal to expand this powerful treatment to all patients age in an effective and safe manner.
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Affiliation(s)
- Paula Azevedo
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Division of Neurology University of Toronto Toronto Ontario Canada
| | - Camila C Aquino
- Department of Clinical Neurosciences University of Calgary Calgary Alberta Canada.,Hotchkiss Brain Institute, University of Calgary Calgary Alberta Canada
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Division of Neurology University of Toronto Toronto Ontario Canada.,Krembil Brain Institute Toronto Ontario Canada.,CenteR for Advancing Neurotechnological Innovation to Application (CRANIA) Toronto Ontario Canada
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9
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Doshi PK, Rai N, Das D. Surgical and Hardware Complications of Deep Brain Stimulation-A Single Surgeon Experience of 519 Cases Over 20 Years. Neuromodulation 2021; 25:895-903. [PMID: 33496063 DOI: 10.1111/ner.13360] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/19/2020] [Accepted: 12/21/2020] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Deep brain stimulation (DBS) surgery has its own set of risks and complications. This study from a single center and a single surgeon analyzes various risk factors for complications and tries to establish if there is a learning curve effect in minimizing the complications. MATERIALS AND METHODS A retrospective analysis of 519 patients (1024 leads) who underwent DBS surgery and 232 patients who underwent implantable pulse generator replacement (IPG), by a single surgeon, between the years 1999 and 2019 was performed. Perioperative and hardware related complications were evaluated. RESULTS The follow-up period ranged from six months to 20 years. Surgery-related complications occurred in 46 (8.9%) cases which included confusion in 31 (5.98%), intracerebral hemorrhage in 7 (1.3%), vasovagal attack in 3 (0.58%), respiratory distress in 2 (0.38%), postoperative aggressiveness in 1 (0.19%), and blepharospasm in 2 (0.38%) patients. Complications related to the DBS hardware were found in 35 cases, including erosion and infection in 22 (2.95%), inaccurate lead placement or migration in 6 (0.6%) lead fracture/extension wire failure in 2 (0.26%), IPG malfunction in 2 (0.26%), and hardware discomfort in 3 (0.4%) cases. In three patients, one lead was repositioned. In cases of infection, 87% of patients had either partial or complete removal of hardware. There was no mortality. The complications were analyzed for every 100 DBS procedures. There was a significant drop in the percentage of complications in from 23% in the first 100 cases to 7% in the last 100 cases (p < 0.0001). CONCLUSION Confusion remains the most frequent operative and perioperative complication. Erosion and infection of the surgical site represents the most frequent hardware complication. DBS surgery is safe and the complication rates are acceptably low. The complication rate also decreases with cumulative years of experience, demonstrating a learning curve effect.
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Affiliation(s)
- Paresh K Doshi
- Department of Neurosurgery, Jaslok Hospital and Research Centre, Mumbai, Maharastra, India
| | - Neha Rai
- Department of Neurosurgery, Jaslok Hospital and Research Centre, Mumbai, Maharastra, India
| | - Deepak Das
- Department of Neurosurgery, Jaslok Hospital and Research Centre, Mumbai, Maharastra, India
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10
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Kantzanou M, Korfias S, Panourias I, Sakas DE, Karalexi MA. Deep Brain Stimulation-Related Surgical Site Infections: A Systematic Review and Meta-Analysis. Neuromodulation 2021; 24:197-211. [PMID: 33462954 DOI: 10.1111/ner.13354] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/23/2020] [Accepted: 12/14/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Over the last decades, the increased use of deep brain stimulation (DBS) has raised concerns about the potential adverse health effects of the treatment. Surgical site infections (SSIs) following an elective surgery remain a major challenge for neurosurgeons. Few studies have examined the prevalence and risk factors of DBS-related complications, particularly focusing on SSIs. OBJECTIVES We systematically searched published literature, up to June 2020, with no language restrictions. MATERIALS AND METHODS Eligible were studies that examined the prevalence of DBS-related SSIs, as well as studies that examined risk and preventive factors in relation to SSIs. We extracted information on study characteristics, follow-up, exposure and outcome assessment, effect estimate and sample size. Summary odds ratios (sOR) and 95% confidence intervals (CI) were calculated from random-effects meta-analyses; heterogeneity and small-study effects were also assessed. RESULTS We identified 66 eligible studies that included 12,258 participants from 27 countries. The summary prevalence of SSIs was estimated at 5.0% (95% CI: 4.0%-6.0%) with higher rates for dystonia (6.5%), as well as for newer indications of DBS, such as epilepsy (9.5%), Tourette syndrome (5.9%) and OCD (4.5%). Similar prevalence rates were found between early-onset and late-onset hardware infections. Among risk and preventive factors, the perioperative implementation of intra-wound vancomycin was associated with statistically significantly lower risk of SSIs (sOR: 0.26, 95% CI: 0.09-0.74). Heterogeneity was nonsignificant in most meta-analyses. CONCLUSION The present study confirms the still high prevalence of SSIs, especially for newer indications of DBS and provides evidence that preventive measures, such as the implementation of topical vancomycin, seem promising in reducing the risk of DBS-related SSIs. Large clinical trials are needed to confirm the efficacy and safety of such measures.
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Affiliation(s)
- Maria Kantzanou
- Department of Hygiene, Epidemiology & Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Stefanos Korfias
- Department of Neurosurgery, School of Medicine Evangelismos Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Panourias
- Department of Neurosurgery, Korgialenio and Mpenakio General Hospital of Athens, Red Cross, Athens, Greece
| | - Damianos E Sakas
- Department of Neurosurgery, School of Medicine Evangelismos Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria A Karalexi
- Department of Hygiene, Epidemiology & Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Outcomes of deep brain stimulation surgery for substance use disorder: a systematic review. Neurosurg Rev 2020; 44:1967-1976. [PMID: 33037538 DOI: 10.1007/s10143-020-01415-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/31/2020] [Accepted: 10/07/2020] [Indexed: 10/23/2022]
Abstract
Long has the standard of care for substance use disorder (SUD) been pharmacotherapy, psychotherapy, or rehabilitation with varying success. Deep brain stimulation (DBS) may have a beneficial reduction in the addiction-reward pathway. Recent studies have found reduced relapse and improvements in quality of life following DBS stimulation of the nucleus accumbens. We aim to identify positive outcomes and adverse effects to assess the viability of DBS as a treatment of addiction. A PubMed search following PRISMA guidelines was conducted to identify the entirety of reports reporting DBS as a treatment for SUD. Outcomes were extracted from the literature to be summarized, and a review of the quality of publications was also performed. From 2305 publications, 14 studies were found to fit the inclusion criteria published between 2007 and 2019. All studies targeted the nucleus accumbens (NAc) and remission rates at 6 months, 1 year, 2 years, and more than 6 years were 61% (20/33), 53% (17/32), 43% (14/30), and 50% (3/6), respectively. Not all studies detailed the stimulation settings or coordinates. The most common adverse effect across studies was a weight change of at least 2 kg. DBS shows potential as a long-term treatment of SUD in refractory patients. Further studies with controlled double-blind paradigms are needed for evaluation of the efficacy and safety of this treatment. Future studies should also investigate other brain regions for stimulation and optimal device stimulation parameters.
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Dorsey ER, Bloem BR, Okun MS. A New Day: The Role of Telemedicine in Reshaping Care for Persons With Movement Disorders. Mov Disord 2020; 35:1897-1902. [PMID: 32870517 DOI: 10.1002/mds.28296] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/03/2020] [Accepted: 08/27/2020] [Indexed: 12/11/2022] Open
Abstract
The COVID-19 pandemic has demonstrated the fragility of clinic-based care for Parkinson's disease and other movement disorders. In response to the virus, many clinics across the world abruptly closed their doors to persons with Parkinson's disease. Fortunately, a niche care model, telemedicine-first described in this journal a generation ago-emerged as the dominant means of providing care. As we adjust to a new normal, we should focus future care not on clinics but on patients. Their needs, guided by clinicians, should determine how care is delivered, whether in the clinic, at home, remotely, or by some combination. Within this patient-centered approach, telemedicine is an attractive care option but not a complete replacement for in-person consultations, which are valuable for specific problems and for those who have access. Now that many clinicians and patients have gained exposure to telemedicine, we can better appreciate its advantages (eg, convenience) and disadvantages (eg, restricted examination). We can also create a new future that utilizes the Internet, video conferencing, smartphones, and sensors. This future will bring many clinicians to one patient, connect individual experts to countless patients, use widely available devices to facilitate diagnosis, and apply novel technologies to measure the disease in new ways. These approaches, which extend to education and research, enable a future where we can care for anyone anywhere and will help us stem the tide of Parkinson's disease. © 2020 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- E Ray Dorsey
- Department of Neurology, Center for Health + Technology, University of Rochester Medical Center, Rochester, New York, USA
| | - Bastiaan R Bloem
- Radboud University Medical Centre, Nijmegen, the Netherlands.,Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands.,Centre of Expertise for Parkinson & Movement Disorders, Nijmegen, the Netherlands
| | - Michael S Okun
- Department of Neurology, University of Florida, Fixel Institute for Neurological Diseases, Program for Movement Disorders and Neurorestoration, Gainesville, Florida, USA
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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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Farrokhi F, Buchlak QD, Sikora M, Esmaili N, Marsans M, McLeod P, Mark J, Cox E, Bennett C, Carlson J. Investigating Risk Factors and Predicting Complications in Deep Brain Stimulation Surgery with Machine Learning Algorithms. World Neurosurg 2020; 134:e325-e338. [DOI: 10.1016/j.wneu.2019.10.063] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 01/07/2023]
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15
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Li D, Johans S, Martin B, Cobb A, Kim M, Germanwala AV. Transsphenoidal Resection of Pituitary Tumors in the United States, 2009 to 2011: Effects of Hospital Volume on Postoperative Complications. J Neurol Surg B Skull Base 2020; 82:175-181. [PMID: 33777631 DOI: 10.1055/s-0040-1701218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 08/29/2019] [Indexed: 10/25/2022] Open
Abstract
Introduction Higher surgical volumes correlate with superior patient outcomes for various surgical pathologies, including transnasal transsphenoidal (TNTS) pituitary tumor resection. With the introduction of endoscopic approaches, there have been nationwide shifts in technique with relative declines in microsurgery. We examined the volume-outcome relationship (VOR) for TNTS pituitary tumor surgery in an era of increasingly prevalent endoscopic approaches. Methods Patients who underwent TNTS pituitary tumor resection between 2009 and 2011 were retrospectively identified in the State Inpatient Database subset of the Healthcare Cost and Utilization Project. Generalized linear mixed-effect models were used to assess odds of various outcome measures. Institutions were grouped into quartiles by case volume for analysis. Results A total of 6,727 patients underwent TNTS pituitary tumor resection between 2009 and 2011. White or Asian American patients and those with private insurance were more likely to receive care at higher volume centers (HVC). Patients treated at HVC (>60 cases/year) were less likely to have nonroutine discharges (3.9 vs. 1.9%; p = 0.002) and had shorter length of stay (LOS; 4 vs. 2 days; p = 0.001). Overall, care at HVC trended toward lower rates of postoperative complications, for example, a 10-case/year increase correlated with a 10% decrease in the rate of iatrogenic panhypopituitarism (odds ratio [OR] = 0.90, 95% confidence interval [CI]: 0.81-0.99; p = 0.04) and 5% decrease in likelihood of diabetes insipidus (OR = 0.95, 95% CI: 0.90-0.99; p = 0.04) on multivariable analysis. Conclusions Our analysis shows that increased case volume is related to superior perioperative outcomes for TNTS pituitary tumor resections. Despite the recent adoption of newer endoscopic techniques and concerns of technical learning curves, this VOR remains undisturbed.
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Affiliation(s)
- Daphne Li
- Department of Neurological Surgery, Loyola University Stritch School of Medicine, Maywood, Illinois, United States
| | - Stephen Johans
- Department of Neurological Surgery, Loyola University Stritch School of Medicine, Maywood, Illinois, United States
| | - Brendan Martin
- Biostatistics Collaborative Core, Clinical Research Office, Loyola University Chicago, Chicago, Illinois, United States
| | - Adrienne Cobb
- Department of General Surgery, Loyola University Stritch School of Medicine, Maywood, Illinois, United States
| | - Miri Kim
- Department of Neurological Surgery, Loyola University Stritch School of Medicine, Maywood, Illinois, United States
| | - Anand V Germanwala
- Department of Neurological Surgery, Loyola University Stritch School of Medicine, Maywood, Illinois, United States
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Abstract
STUDY DESIGN Systematic review. OBJECTIVE To assess the impact of hospital volume on postoperative outcomes in spine surgery. SUMMARY OF BACKGROUND DATA Several strategies have recently been proposed to optimize provider outcomes, such as regionalization to higher volume centers and setting volume benchmarks. MATERIALS AND METHODS We performed a systematic review examining the association between hospital volume and spine surgery outcomes. To be included in the review, the study population had to include patients undergoing a primary or revision spinal procedure. These included anterior/posterior cervical fusions, anterior/posterior lumbar fusions, laminectomies, discectomies, spinal deformity surgeries, and surgery for spinal malignancies. We searched the Pubmed, OVID MEDLINE (1966-2018), Google Scholar, and Web of Science (1900-2018) databases in January 2018 using the search criteria ("Hospital volume" OR "volume" OR "volume-outcome" OR "volume outcome") AND ("spine" OR "spine surgery" OR "lumbar" OR "cervical" OR "decompression" OR "deformity" OR "fusions"). There were no restrictions placed on study design, publication date, or language. The studies were evaluated with respect to the quality of methodology as outlined by the Grading of Recommendations Assessment, Development, and Evaluation system. RESULTS Twelve studies were included in the review. Studies were variable in defining hospital volume thresholds. Higher hospital volume was associated with statistically significant lower risks of postoperative complications, a shorter length of stay, lower cost of hospital stay, and a lower risk of readmissions and reoperations/revisions. CONCLUSIONS Our findings suggest a trend toward better outcomes for higher volume hospitals; however, further study needs to be carried out to define objective volume thresholds for specific spine surgeries for hospitals to use as a marker of proficiency.
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17
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Kim LH, Chen YR. Risk Adjustment Instruments in Administrative Data Studies: A Primer for Neurosurgeons. World Neurosurg 2019; 128:477-500. [DOI: 10.1016/j.wneu.2019.04.179] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 04/19/2019] [Accepted: 04/20/2019] [Indexed: 11/25/2022]
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18
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Igarashi A, Tanaka M, Abe K, Richard L, Peirce V, Yamada K. Cost-minimisation model of magnetic resonance-guided focussed ultrasound therapy compared to unilateral deep brain stimulation for essential tremor treatment in Japan. PLoS One 2019; 14:e0219929. [PMID: 31314791 PMCID: PMC6636755 DOI: 10.1371/journal.pone.0219929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 06/26/2019] [Indexed: 12/03/2022] Open
Abstract
Objective To investigate the cost differences between magnetic resonance-guided focussed ultrasound (MRgFUS) and unilateral deep brain stimulation (DBS) for the treatment of medication-refractory essential tremor (ET) in Japan using a cost-minimisation model. Methods A cost-minimisation model estimated total costs for MRgFUS and unilateral DBS by summing the pre-procedure, procedure, and post-procedure costs over a 12-month time horizon, using data from published sources and expert clinical opinion. The model base case considered medical costs from fee-for-service tariffs. Scenario analyses investigated the use of Diagnosis Procedure Combination tariffs, a diagnosis-related group-based fixed-payment system, and the addition of healthcare professional labour costs healthcare professionals using tariffs from the Japanese Health Insurance Federation for Surgery. One-way sensitivity analyses altered costs associated with tremor recurrence after MRgFUS, the extraction rate following unilateral DBS, the length of hospitalisation for unilateral DBS and the procedure duration for MRgFUS. The impact of uncertainty in model parameters on the model results was further explored using probabilistic sensitivity analysis. Results Compared to unilateral DBS, MRgFUS was cost saving in the base case and Diagnosis Procedure Combination cost scenario, with total savings of JPY400,380 and JPY414,691, respectively. The majority of savings were accrued at the procedural stage. Including labour costs further increased the cost differences between MRgFUS and unilateral DBS. Cost savings were maintained in each sensitivity analysis and the probabilistic sensitivity analysis, demonstrating that the model results are highly robust. Conclusions In the Japanese healthcare setting, MRgFUS could be a cost saving option versus unilateral DBS for treating medication-refractory ET. The model results may even be conservative, as the cost of multiple follow-ups for unilateral DBS and treatment costs for adverse events associated with each procedure were not included. This model is also consistent with the results of other economic analyses of MRgFUS versus DBS in various settings worldwide.
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Affiliation(s)
- Ataru Igarashi
- Health Economics and Outcomes Research, University of Tokyo, Tokyo, Japan
| | - Midori Tanaka
- Department of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
| | - Keiichi Abe
- Department of Neurosurgery, Tokyo Women’s Medical University, Tokyo, Japan
| | | | - Vivian Peirce
- Costello Medical Consulting, Cambridge, United Kingdom
| | - Kazumichi Yamada
- Department of Neurosurgery, Kumamoto University, Kumamoto, Japan
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Paim Strapasson AC, Martins Antunes ÁC, Petry Oppitz P, Dalsin M, de Mello Rieder CR. Postoperative Confusion in Patients with Parkinson Disease Undergoing Deep Brain Stimulation of the Subthalamic Nucleus. World Neurosurg 2019; 125:e966-e971. [DOI: 10.1016/j.wneu.2019.01.216] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 01/21/2019] [Accepted: 01/22/2019] [Indexed: 10/27/2022]
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20
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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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Rumalla K, Smith KA, Follett KA, Nazzaro JM, Arnold PM. Rates, causes, risk factors, and outcomes of readmission following deep brain stimulation for movement disorders: Analysis of the U.S. Nationwide Readmissions Database. Clin Neurol Neurosurg 2018; 171:129-134. [DOI: 10.1016/j.clineuro.2018.06.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 05/28/2018] [Accepted: 06/09/2018] [Indexed: 12/21/2022]
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Akbarian-Tefaghi H, Kalakoti P, Sun H, Sharma K, Thakur JD, Patra DP, Dossani RH, Savardekar A, Notarianni C, Zipfel GJ, Nanda A. Impact of Hospital Caseload and Elective Admission on Outcomes After Extracranial-Intracranial Bypass Surgery. World Neurosurg 2017; 108:716-728. [DOI: 10.1016/j.wneu.2017.09.082] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 09/11/2017] [Accepted: 09/13/2017] [Indexed: 10/18/2022]
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Sun H, Kalakoti P, Sharma K, Thakur JD, Dossani RH, Patra DP, Phan K, Akbarian-Tefaghi H, Farokhi F, Notarianni C, Guthikonda B, Nanda A. Proposing a validated clinical app predicting hospitalization cost for extracranial-intracranial bypass surgery. PLoS One 2017; 12:e0186758. [PMID: 29077743 PMCID: PMC5659612 DOI: 10.1371/journal.pone.0186758] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 10/06/2017] [Indexed: 11/17/2022] Open
Abstract
OBJECT United States healthcare reforms are focused on curtailing rising expenditures. In neurosurgical domain, limited or no data exists identifying potential modifiable targets associated with high-hospitalization cost for cerebrovascular procedures such as extracranial-intracranial (ECIC) bypass. Our study objective was to develop a predictive model of initial cost for patients undergoing bypass surgery. METHODS In an observational cohort study, we analyzed patients registered in the Nationwide Inpatient Sample (2002-2011) that underwent ECIC bypass. Split-sample 1:1 randomization of the study cohort was performed. Hospital cost data was modelled using ordinary least square to identity potential drivers impacting initial hospitalization cost. Subsequently, a validated clinical app for estimated hospitalization cost is proposed (https://www.neurosurgerycost.com/calc/ec-ic-by-pass). RESULTS Overall, 1533 patients [mean age: 45.18 ± 19.51 years; 58% female] underwent ECIC bypass for moyamoya disease [45.1%], cerebro-occlusive disease (COD) [23% without infarction; 12% with infarction], unruptured [12%] and ruptured [4%] aneurysms. Median hospitalization cost was $37,525 (IQR: $16,225-$58,825). Common drivers impacting cost include Asian race, private payer, elective admission, hyponatremia, neurological and respiratory complications, acute renal failure, bypass for moyamoya disease, COD without infarction, medium and high volume centers, hospitals located in Midwest, Northeast, and West region, total number of diagnosis and procedures, days to bypass and post-procedural LOS. Our model was validated in an independent cohort and using 1000-bootstrapped replacement samples. CONCLUSIONS Identified drivers of hospital cost after ECIC bypass could potentially be used as an adjunct for creation of data driven policies, impact reimbursement criteria, aid in-hospital auditing, and in the cost containment debate.
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Affiliation(s)
- Hai Sun
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Piyush Kalakoti
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Kanika Sharma
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Jai Deep Thakur
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Rimal H Dossani
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Devi Prasad Patra
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Kevin Phan
- NeuroSpine Surgery Research Group (NSURG), Barker St Randwick, Prince of Wales Private Hospital, Sydney, Australia
| | - Hesam Akbarian-Tefaghi
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Frank Farokhi
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Christina Notarianni
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Bharat Guthikonda
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Anil Nanda
- Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, United States of America
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Oravec CS, Motiwala M, Reed K, Kondziolka D, Barker FG, Michael LM, Klimo P. Big Data Research in Neurosurgery: A Critical Look at this Popular New Study Design. Neurosurgery 2017; 82:728-746. [DOI: 10.1093/neuros/nyx328] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 05/17/2017] [Indexed: 01/10/2023] Open
Affiliation(s)
- Chesney S Oravec
- College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Mustafa Motiwala
- College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Kevin Reed
- College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Douglas Kondziolka
- Department of Neurosurgery, New York University Langone Medical Center, New York, New York
| | - Fred G Barker
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts
| | - L Madison Michael
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee
- Semmes Murphey Clinic, Memphis, Tennessee
| | - Paul Klimo
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee
- Semmes Murphey Clinic, Memphis, Tennessee
- Department of Neurosurgery, Le Bonheur Children's Hospital, Memphis, Tennessee
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Spindola B, Leite MA, Orsini M, Fonoff E, Landeiro JA, Pessoa BL. Ablative surgery for Parkinson’s disease: Is there still a role for pallidotomy in the deep brain stimulation era? Clin Neurol Neurosurg 2017; 158:33-39. [DOI: 10.1016/j.clineuro.2017.04.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 02/19/2017] [Accepted: 04/19/2017] [Indexed: 12/12/2022]
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Ramayya AG, Abdullah KG, Mallela AN, Pierce JT, Thawani J, Petrov D, Baltuch GH. Thirty-Day Readmission Rates Following Deep Brain Stimulation Surgery. Neurosurgery 2017; 81:259-267. [DOI: 10.1093/neuros/nyx019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 01/23/2017] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND: Deep brain stimulation (DBS) has emerged as a safe and efficacious surgical intervention for several movement disorders; however, the 30-day all-cause readmission rate associated with this procedure has not previously been documented.
OBJECT: To perform a retrospective cohort study to estimate the 30-day all-cause readmission rate associated with DBS.
METHODS: We reviewed medical records of patients over the age of 18 who underwent DBS surgery at Pennsylvania Hospital of the University of Pennsylvania between 2009 and 2014. We identified patients who were readmitted to an inpatient medical facility within 30 days from their initial discharge.
RESULTS: Over the study period, 23 (6.6%) of 347 DBS procedures resulted in a readmission to the hospital within 30 days. Causes of readmission were broadly categorized into surgery-related (3.7%): intracranial lead infection (0.6%), battery-site infection (0.6%), intracranial hematoma along the electrode tract (0.6%), battery-site hematoma (0.9%), and seizures (1.2%); and nonsurgery-related (2.9%): altered mental status (1.8%), nonsurgical-site infections (0.6%), malnutrition and poor wound healing (0.3%), and a pulse generator malfunction requiring reprogramming (0.3%). Readmissions could be predicted by the presence of medical comorbidities (P < .001), but not by age, gender, or length of stay (Ps > .15).
CONCLUSION: All-cause 30-day readmission for DBS is 6.6%. This compares favorably to previously studied neurosurgical procedures. Readmissions frequently resulted from surgery-related complications, particularly infection, seizures, and hematomas, and were significantly associated with the presence of medical comorbidities (P < .001).
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Affiliation(s)
- Ashwin G. Ramayya
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - Kalil G. Abdullah
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - Arka N. Mallela
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - John T. Pierce
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - Jayesh Thawani
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - Dmitry Petrov
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
| | - Gordon H. Baltuch
- Department of Neurosurgery, Perelman School of Medicine, University of Penn-sylvania, Philadelphia, Pennsylvania
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Hu K, Moses ZB, Hutter MM, Williams Z. Short-Term Adverse Outcomes After Deep Brain Stimulation Treatment in Patients with Parkinson Disease. World Neurosurg 2016; 98:365-374. [PMID: 27826085 DOI: 10.1016/j.wneu.2016.10.138] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 10/26/2016] [Accepted: 10/28/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND Despite ongoing progress in our understanding of long-term outcomes after neuromodulation procedures, acute adverse outcomes shortly after deep brain stimulation (DBS) treatment have remained remarkably limited. OBJECTIVE To identify risk factors associated with acute 30-day outcomes after DBS treatment in patients with Parkinson disease (PD). METHODS We evaluated patients who underwent DBS treatment for PD from 2005 to 2014 through the American College of Surgeons National Surgical Quality Improvement Program database. We used bivariate analysis and multivariate logistic regression to identify short-term postoperative outcomes, including 30-day complication, discharge destination, and unplanned readmission. RESULTS Overall, 650 patients with PD underwent DBS procedures and complications were identified in 32 patients (4.9%). Of 481 patients who had complete discharge data, 18 patients (3.7%) were discharged to a facility and 16 patients (3.3%) experienced an unplanned readmission. Patients with PD who were obese (P = 0.045), who had preoperative anemia (P = 0.008), and who experienced longer operative durations (P = 0.01) had increased odds of postoperative complications. Inpatient status (P = 0.001), dependent functional status (P < 0.001), and anemia (P = 0.043) were all associated with discharge to a facility other than home. Longer operative duration (P = 0.013), anemia (P = 0.036), and dependent functional status (P = 0.03) were significantly associated with unplanned readmission. As expected, complications increased the likelihood of unplanned readmission (P < 0.001). CONCLUSIONS This study provides individualized estimates of the risks associated with short-term adverse outcomes based on patient demographics and comorbidities. These data can be used as an adjunct for short-term risk stratification of patients with PD being considered for DBS treatment.
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Affiliation(s)
- Kejia Hu
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Microsurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Ziev B Moses
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Matthew M Hutter
- Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ziv Williams
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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Rolston JD, Englot DJ, Starr PA, Larson PS. An unexpectedly high rate of revisions and removals in deep brain stimulation surgery: Analysis of multiple databases. Parkinsonism Relat Disord 2016; 33:72-77. [PMID: 27645504 DOI: 10.1016/j.parkreldis.2016.09.014] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 09/07/2016] [Accepted: 09/12/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Deep brain stimulation (DBS) is an established therapy for movement disorders, and is under active investigation for other neurologic and psychiatric indications. While many studies describe outcomes and complications related to stimulation therapies, the majority of these are from large academic centers, and results may differ from those in general neurosurgical practice. METHODS Using data from both the Centers for Medicare and Medicaid Services (CMS) and the National Surgical Quality Improvement Program (NSQIP), we identified all DBS procedures related to primary placement, revision, or removal of intracranial electrodes. Cases of cortical stimulation and stimulation for epilepsy were excluded. RESULTS Over 28,000 cases of DBS electrode placement, revision, and removal were identified during the years 2004-2013. In the Medicare dataset, 15.2% and of these procedures were for intracranial electrode revision or removal, compared to 34.0% in the NSQIP dataset. In NSQIP, significant predictors of revision and removal were decreased age (odds ratio (OR) of 0.96; 95% CI: 0.94, 0.98) and higher ASA classification (OR 2.41; 95% CI: 1.22, 4.75). Up to 48.5% of revisions may have been due to improper targeting or lack of therapeutic effect. CONCLUSION Data from multiple North American databases suggest that intracranial neurostimulation therapies have a rate of revision and removal higher than previously reported, between 15.2 and 34.0%. While there are many limitations to registry-based studies, there is a clear need to better track and understand the true prevalence and nature of such failures as they occur in the wider surgical community.
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Affiliation(s)
- John D Rolston
- Department of Neurological Surgery, University of California, San Francisco, United States.
| | - Dario J Englot
- Department of Neurological Surgery, University of California, San Francisco, United States
| | - Philip A Starr
- Department of Neurological Surgery, University of California, San Francisco, United States
| | - Paul S Larson
- Department of Neurological Surgery, University of California, San Francisco, United States
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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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Kalakoti P, Missios S, Menger R, Kukreja S, Konar S, Nanda A. Association of risk factors with unfavorable outcomes after resection of adult benign intradural spine tumors and the effect of hospital volume on outcomes: an analysis of 18, 297 patients across 774 US hospitals using the National Inpatient Sample (2002−2011). Neurosurg Focus 2015; 39:E4. [DOI: 10.3171/2015.5.focus15157] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECT
Because of the limited data available regarding the associations between risk factors and the effect of hospital case volume on outcomes after resection of intradural spine tumors, the authors attempted to identify these associations by using a large population-based database.
METHODS
Using the National Inpatient Sample database, the authors performed a retrospective cohort study that involved patients who underwent surgery for an intradural spinal tumor between 2002 and 2011. Using national estimates, they identified associations of patient demographics, medical comorbidities, and hospital characteristics with inpatient postoperative outcomes. In addition, the effect of hospital volume on unfavorable outcomes was investigated. Hospitals that performed fewer than 14 resections in adult patients with an intradural spine tumor between 2002 and 2011 were labeled as low-volume centers, whereas those that performed 14 or more operations in that period were classified as high-volume centers (HVCs). These cutoffs were based on the median number of resections performed by hospitals registered in the National Inpatient Sample during the study period.
RESULTS
Overall, 18,297 patients across 774 hospitals in the United States underwent surgery for an intradural spine tumor. The mean age of the cohort was 56.53 ± 16.28 years, and 63% were female. The inpatient postoperative risks included mortality (0.3%), discharge to rehabilitation (28.8%), prolonged length of stay (> 75th percentile) (20.0%), high-end hospital charges (> 75th percentile) (24.9%), wound complications (1.2%), cardiac complications (0.6%), deep vein thrombosis (1.4%), pulmonary embolism (2.1%), and neurological complications, including durai tears (2.4%). Undergoing surgery at an HVC was significantly associated with a decreased chance of inpatient mortality (OR 0.39; 95% CI 0.16−0.98), unfavorable discharge (OR 0.86; 95% CI 0.76−0.98), prolonged length of stay (OR 0.69; 95% CI 0.62−0.77), high-end hospital charges (OR 0.67; 95% CI 0.60−0.74), neurological complications (OR 0.34; 95% CI 0.26−0.44), deep vein thrombosis (OR 0.65; 95% CI 0.45−0.94), wound complications (OR 0.59; 95% CI 0.41−0.86), and gastrointestinal complications (OR 0.65; 95% CI 0.46−0.92).
CONCLUSIONS
The results of this study provide individualized estimates of the risks of postoperative complications based on patient demographics and comorbidities and hospital characteristics and shows a decreased risk for most unfavorable outcomes for those who underwent surgery at an HVC. These findings could be used as a tool for risk stratification, directing presurgical evaluation, assisting with surgical decision making, and strengthening referral systems for complex cases.
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