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Endovascular coiling has revolutionized intracranial aneurysm treatment; however, recurrence continues to represent a major limitation. The hydrogel coil was developed to increase packing density and improve neck healing and therefore decrease recurrence rates. In this paper, we review treatment outcomes of first- (1HCs) and second-generation (2HCs) hydrogel coils and compare them to those of bare platinum coils (BPC). A query of multiple databases was performed. Articles with at least 10 aneurysms treated with either 1HC or 2HC were selected for analysis. Collected data included aneurysm size, rupture status, initial occlusion, initial residual neck/aneurysm, packing density, mortality, morbidity, recurrence, and retreatment rates. The primary endpoint was recurrence at final follow-up. Secondary endpoints included residual neck and dome rates as well as procedure-related complications and functional dependence at final follow-up. Studies that compared 1HC to BPC showed significant lower recurrence (24% vs. 30.8%, p = 0.02) and higher packing density (58.5% vs. 24.1%, p < 0.001) in 1HC but no significant difference in initial occlusion rate (p = 0.08). Studies that compared 2HC to BPC showed lower recurrence (6.3% vs. 14.3%, p = 0.007) and retreatment rates (3.4% vs. 7.7%, p = 0.010) as well as higher packing density (36.4% vs. 29.2%, p = 0.002) in 2HC, with similar initial occlusion rate (p = 0.86). The rate of complications was not statistically different between HC (25.5%) and BPC (22.6%, p = 0.06). Based on our review, the 1HC and 2HC achieved higher packing density and lower recurrence rates compared to BPC. The safety profile was similar between both groups.
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Embolização Terapêutica , Aneurisma Intracraniano , Humanos , Hidrogéis/uso terapêutico , Aneurisma Intracraniano/cirurgia , Platina , Resultado do TratamentoRESUMO
OBJECTIVE: The purpose of this study is to evaluate monetary trends from 2000 to 2018 in Medicare reimbursement rates for the most common general surgery procedures. SUMMARY BACKGROUND DATA: A complete understanding of financial trends in general surgery in the United States is lacking. As such, an evaluation of trends in reimbursement rates in general surgery is important for defining the specialty's current and future financial health. METHODS: The Physician Fee Schedule Look-Up Tool from the Centers for Medicare and Medicaid Services was queried for each of the 20 top codes top in general surgery. The total raw percent change in Medicare reimbursement rate for each procedure from 2000 to 2018 was calculated and averaged. All data was corrected for inflation. Both average annual and total percentage change were calculated based on these adjusted trends. Compound annual growth rate was calculated using the adjusted data. RESULTS: After adjusting all data for inflation, the reimbursement rate for all included procedures decreased by an average of 24.4% throughout the study period. During this time, the adjusted reimbursement rate decreased by an average of 1.4% each year with an average compound annual growth rate of -1.6%. CONCLUSION: After adjusting for inflation, Medicare reimbursement rates in general surgery have steadily decreased from 2000 to 2018. It is important that these trends are understood and considered by surgeons, healthcare administrators, and policy-makers in order to develop and implement agreeable models of reimbursement while ensuring access to quality general surgery care in the United States.
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Reembolso de Seguro de Saúde/economia , Medicare/economia , Qualidade da Assistência à Saúde/tendências , Mecanismo de Reembolso , Procedimentos Cirúrgicos Operatórios/economia , Humanos , Estudos Retrospectivos , Estados UnidosRESUMO
BACKGROUND: Skull base paragangliomas are highly vascular tumors that are often embolized before surgical resection; however, the safety and efficacy of preoperative embolization using an ethylene vinyl alcohol copolymer (Onyx; Medtronic, Dublin, Republic of Ireland) in these tumors is unknown. This retrospective cohort study evaluated patient outcomes after preoperative embolization of skull base paragangliomas using Onyx. METHODS: We retrospectively analyzed data from all patients with skull base paragangliomas who underwent preoperative Onyx embolization at our institution (January 01, 2005-December 31, 2017). Patient, tumor, embolization, and outcomes data were extracted by reviewing inpatient and outpatient clinical and imaging records. RESULTS: Seven patients were studied (5/7 [71%] female), 6 with glomus jugulares and 1 with a glomus vagale. The median age was 52 years, and the most common presenting symptom was cranial neuropathy (6/7 [86%]). The tumor vascular supply was from the ascending pharyngeal artery in all 7 cases (100%) with additional feeders including the occipital artery in 5 (71%); internal carotid artery in 3 (43%); middle meningeal, vertebral, and internal maxillary artery each in 2 (29%); and posterior auricular artery in 1 (14%). The median postembolization tumor devascularization was 80% (range, 64-95%). The only postembolization complication was a facial palsy in 1 patient. CONCLUSION: Preoperative embolization with Onyx affords excellent devascularization for the majority of skull base paragangliomas, and it may facilitate resection of these hypervascular lesions. The advantages provided by Onyx with respect to penetration of intratumoral vessels must be weighed against the risk of cranial neuropathy.
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Doenças dos Nervos Cranianos/terapia , Embolização Terapêutica/métodos , Paraganglioma/terapia , Polivinil , Neoplasias da Base do Crânio/terapia , Criança , Doenças dos Nervos Cranianos/etiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Paraganglioma/complicações , Estudos Retrospectivos , Neoplasias da Base do Crânio/complicações , Resultado do Tratamento , Adulto JovemRESUMO
Stereotactic radiosurgery (SRS) is a noninvasive therapy for patients suffering from both benign and malignant intracranial pathologies. While SRS allows for increased precision and efficacy, significant risks have been reported, such as radiation necrosis. Although traditional radiation therapies are associated with a well-understood risk of causing tumors or inducing malignancy, the risks associated with SRS are not well understood. Here, we present the case of a patient who underwent SRS post-Onyx embolization of a Spetzler-Martin grade 4 left parasagittal arteriovenous malformation. Four years later, the patient presented with a high-grade glioma adjacent to where the SRS was targeted. SRS has fundamentally altered the way we treat intracranial pathologies. While the risks for SRS-induced glioma appear to be extremely low, this case illustrates that they ought to be considered. Here, we discuss the details of our case and explore the currently available literature. Knowing these potential risks will further aid physicians and patients balance the associated benefits and risks.
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Arteriovenous malformations (AVMs) are a highly complex array of abnormal arteries and veins that directly fistulize without intervening capillary beds.1 As AVMs can differ in size, location, and morphology, specific clinical management is determined for each individual patient, in conjunction with their specific goals and needs.2 This Video demonstrates the resection of an AVM located in the language area of eloquent cortex of a 38-year-old opera singer. The patient presented to the emergency department with a new-onset seizure. Magnetic resonance imaging including task-based functional imaging demonstrated a left post temporal AVM with associated hemosiderin-stained white matter and language activation just posterior to the lesion. Awake microsurgical resection was recommended given her career as an opera singer and the high-risk location of the AVM in proximity to eloquent language cortex, with additional goals of preventing further risk of hemorrhage and reduction in the risk of epilepsy. The patient underwent a left temporoparietal craniotomy with direct electrical stimulation-based language mapping and monitoring along with microsurgical resection of the AVM with image guidance, confirmed with intraoperative indocyanine green angiography. Postoperative angiography demonstrated no residual AVM with preservation of normal arterial and venous anatomy. At follow-up, the patient was clinically intact, seizure free, and off all antiepileptic medications. At 3 months, she resumed her career as an opera singer. Awake resection with intraoperative functional mapping can be used for select small AVMs to avoid injury to functional tissue and allow more aggressive resection of potentially epileptogenic tissue.
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Malformações Arteriovenosas Intracranianas , Adulto , Craniotomia/métodos , Feminino , Humanos , Malformações Arteriovenosas Intracranianas/diagnóstico por imagem , Malformações Arteriovenosas Intracranianas/cirurgia , Idioma , Procedimentos Neurocirúrgicos/métodos , VigíliaRESUMO
OBJECTIVE: The objective of this study was to determine the frequency with which brain biopsy for presumed CNS relapse of systemic hematological malignancies yields new, actionable diagnostic information. Hematological malignancies represent a disparate group of genetic and histopathological disorders. Proclivity for brain involvement is dependent on the unique entity and may occur synchronously or metasynchronously with the systemic lesion. Diffuse large B-cell lymphomas (DLBCLs) have a high propensity for brain involvement. Patients in remission from systemic DLBCL may present with a lesion suspicious for brain relapse. These patients often undergo brain biopsy. The authors' a priori hypothesis was that brain biopsy in patients with a history of systemic DLBCL and a new brain MRI lesion would have lower diagnostic utility compared with patients with non-DLBCL systemic malignancies. METHODS: The authors performed a retrospective review of patients who underwent brain biopsy between 2000 and 2019. Inclusion criteria were patients ≥ 18 years of age with a prior systemic hematological malignancy in remission presenting with a new brain MRI lesion concerning for CNS relapse. Patients with a history of any CNS neoplasms, demyelinating disorders, or active systemic disease were excluded. The main outcome was the proportion of patients with a distinct histopathological brain diagnosis compared with the systemic malignancy. The authors secondarily assessed overall survival, procedure-related morbidity, and 30-day mortality. RESULTS: Sixty patients met inclusion criteria (40 males and 20 females); the median age at brain biopsy was 67 years (range 23-88 years). The median follow-up was 8.5 months (range 0.1-231 months). Thirty-nine (65.0%) patients had DLBCL and 21 (35%) had non-DLBCL malignancies. Thirty-five of 36 (97.2%) patients with prior systemic DLBCL and a diagnostic biopsy had histopathological confirmation of the original systemic disease versus 0 of 21 patients with non-DLBCL systemic malignancies (p < 0.001). Morbidity and 30-day mortality were 8.3% and 10.0%, respectively; 2 of 6 30-day mortalities were directly attributable to the biopsy. The median overall survival following brain biopsy was 10.8 months. CONCLUSIONS: Patients with a history of systemic DLBCL and presumed CNS relapse gained minimal clinical benefit from brain biopsy but were at high risk of morbidity and mortality. In patients with a history of non-DLBCL systemic malignancies, brain biopsy remained critical given the high likelihood for discovery of distinct diagnostic entities. It was determined that patients with a prior systemic DLBCL and presumed brain relapse should likely receive empirical therapy obviating treatment delay and the risks of brain biopsy.
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Biópsia/métodos , Encéfalo/patologia , Neoplasias do Sistema Nervoso Central/patologia , Neoplasias do Sistema Nervoso Central/cirurgia , Linfoma Difuso de Grandes Células B/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Biópsia/efeitos adversos , Feminino , Seguimentos , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia , Complicações Pós-Operatórias/epidemiologia , Recidiva , Estudos Retrospectivos , Análise de Sobrevida , Resultado do Tratamento , Adulto JovemRESUMO
OBJECTIVE: Procedural reimbursement for spine surgery has changed drastically over the past 20 years. A comprehensive understanding of these trends is important as major changes in reimbursement models of spine surgery continue to evolve within various spine specialties as well as broader national healthcare policy. In this study the authors evaluated the monetary trends in Medicare reimbursement rates for the 15 most common spinal surgery procedures from 2000 to 2021. METHODS: The National Surgery Quality Improvement Project database (2019) was queried to determine the 15 most commonly performed spine surgery procedures. The Current Procedural Terminology (CPT) codes for each of these procedures were obtained from the Physician Fee Schedule Look-Up Tool from the Centers for Medicare and Medicaid Services, and comprehensive reimbursement data for each code were extracted. Changes in Medicare reimbursement rates were calculated and averaged for each procedure as both raw percent changes and percent changes adjusted for inflation to 2021 US dollars (USD) based on the consumer price index (CPI). The adjusted R2 value, the compound annual growth rate (CAGR), and both the average annual and the total percent change in reimbursement were calculated based on these adjusted trends for all included procedures. RESULTS: After adjustment for inflation, average reimbursement for all procedures decreased by 33.8% from 2000 to 2021. The greatest mean decrease was seen in anterior cervical arthrodesis (-38.7%), while the smallest mean decrease was in vertebral body excision (-17.1%). From 2000 to 2021, the adjusted reimbursement rate for all included procedures decreased by an average of 1.9% each year, with an average R2 value of 0.69. CONCLUSIONS: This is the first study to evaluate monetary trends in Medicare reimbursement for spine surgery procedures. After adjusting for inflation, Medicare reimbursement for the 15 most commonly performed spine procedures has steadily decreased from 2000 to 2021. Increased awareness of these trends and the forces driving them will be critical in the coming years as negotiations regarding reimbursement models continue to unfold. Greater understanding of spine surgery reimbursement among policy makers, hospitals, and surgeons will be important to ensure continued access to quality surgical spine care in the United States.
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BACKGROUND: Trends in Medicare billing and procedural reimbursement for outpatient office visits remain unclear within the field of neurosurgery. OBJECTIVE: To analyze financial trends of neurosurgeon reimbursement for Medicare office visits in 2010 compared to 2018. METHODS: The 2010 and 2018 physician/supplier files from the Centers for Medicare and Medicaid Services website were utilized. All payments submitted by neurosurgeons (provider ID 14) were included. Trends in office visit Current Procedural Terminology codes 99201 to 99205 and 99211 to 99215 were analyzed. RESULTS: Neurosurgeons billed for 1 109 979 office visits (463 611 h) in 2010 and Medicare denied 63 704 payments (totaling $11 205 283). Neurosurgeons billed for 1 189 046 office visits (508 526 h) in 2018 and Medicare denied 57 048 payments (totaling $15 103 879). This is a 7.1% increase in total neurosurgery office visits billed to Medicare, 9.7% increase in total office hours, and 34.8% increase in the payment amounts denied over 8 yr. Furthermore, after adjusting for inflation, the average amount paid to physicians by Medicare decreased by 8.3% per office visit. Additionally, Medicare paid 36.1% of the total neurosurgeon submitted charge amount for all office visits in 2010 but paid only 27.8% in 2018 (-8.3%). CONCLUSION: Neurosurgeons are performing more office visits and billing for more time with patients. Meanwhile, Medicare has been paying physicians less per office visit, denying higher amounts of payments and reimbursing a decreasing percentage of submitted charges for office visits. An understanding of these trends is necessary to ensure continued equity and quality access to neurosurgical care in the United States.
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Neurocirurgiões , Visita a Consultório Médico , Idoso , Humanos , Medicare , Médicos , Estados UnidosRESUMO
BACKGROUND: Practice consolidation in healthcare has widespread consequences for providers and patients. Although many studies describe this phenomenon in various medical specialties, no such analysis has been performed in neurosurgery specifically. The goal of this study was to assess the trends in the size of U.S. neurosurgery practices over a 5-year period. METHODS: Neurosurgery practice characteristics were obtained from the Medicare Physician Compare database from March 2014 through October 2019 on the Centers for Medicare & Medicaid Services Website. Neurosurgeons were separated on the basis of their practice size. Group practice sizes ranged from solo practitioner practice to large multispecialty groups and health organizations. Eight groups were identified (1 or 2, 3-9, 10-24, 25-49, 50-99, 100-499, 500-999, and ≥1000 members). Additionally, neurosurgery practices were analyzed across the 4 U.S. geographical regions to understand changes in practice size and distribution. RESULTS: The percentage of neurosurgeons in smaller practices of 1 or 2 members decreased, from 20.09% to 13.05%; 3-9 members, from 17.79% to 9.41%; and 10-24 members, from 10.53% to 8.0%. The largest increase was seen in health organizations of 1000 members or more, with an increase from 9.85% to 22.84%. CONCLUSIONS: This study shows that over the past 5 years, a substantial trend toward increasing practice sizes has evolved. The effect of the differences in practice size should be examined to determine the large-scale impacts on patient care, payment models, and healthcare access, in addition to neurosurgeon compensation, and satisfaction.
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Centers for Medicare and Medicaid Services, U.S./economia , Medicare/economia , Neurocirurgiões , Neurocirurgia/economia , Humanos , Procedimentos Neurocirúrgicos/educação , Médicos/economia , Estados UnidosRESUMO
OBJECTIVE: We sought to determine the proportion and number of female neurosurgeons in the workforce at different stages of practice. METHODS: The Physician Compare National Downloadable File data set was obtained from the Centers for Medicare & Medicaid Services for physicians who indicated "neurosurgery" as their primary specialty. Physician duplicates, physicians with no listed medical school graduation year, and physicians expected to be in residency (graduation years 2013-2019) were removed, yielding 4956 neurosurgeons. Five-year intervals were used to measure the number of male and female neurosurgeons by different stages of their careers. For example, graduates from years 2008-2012 were expected to be in their first 1-5 years of practice. RESULTS: There were 405 female (8.2%) and 4551 male (91.8%) neurosurgeons. At 1-5 years of practice, 13.8% (105/760) were women; 6-10 years, 11.5% (94/820) women; 11-15 years, 8.9% (64/720) women; 16-20 years, 8.7% (59/682) women; 21-25 years, 7.4% (46/619) women; 26-30 years, 3.8% (20/520) women; 31-35 years, 3.6% (15/413) women; and 36 years or more, 0.5% women (2/422). The number of female neurosurgeons varied among states, ranging from 0 in Hawaii to 53 in California. The states with the lowest percentage of female neurosurgeons were Hawaii (0%), Oklahoma (3.1%), and Nevada (3.6%). The states with the highest percentage of female neurosurgeons were New Hampshire (20.0%), Vermont (16.7%), and Rhode Island (15.8%). CONCLUSIONS: The number of practicing female neurosurgeons within the United States is increasing, as shown by the growing percentage of women who are earlier in their surgical careers.
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Neurocirurgiões/estatística & dados numéricos , Médicas/estatística & dados numéricos , Adulto , Idoso , Bases de Dados Factuais , Feminino , Humanos , Internato e Residência/estatística & dados numéricos , Masculino , Pessoa de Meia-Idade , Estados Unidos , Recursos HumanosRESUMO
BACKGROUND: As the uncertainty surrounding the future of U.S. health care policy intensifies, political advocacy and campaign contributions have become increasingly relevant. This study describes the trends of political contributions of U.S. neurosurgeons from the years 2003-2019. METHODS: Individual contribution data from 2003-2019 were obtained from the Federal Election Commission website. Contributions were filtered for occupation lines matching either "neurosurg," "neurologic surgeon," or "neurological surgeon." Each contribution is designated to a recipient committee associated with a political candidate or group. The party designations of these committees were used to catalogue donations as "Republican," "Democratic," or "Independent." RESULTS: From 2003-2019 a total of 9242 political donations were made by self-identified neurosurgeons amounting to $8,469,121. Most of these contribution dollars were directed to Independent committees (47.9%). Of all Independent contribution dollars from 2005-2019, 95.9% were directed to the American Association of Neurological Surgeons Political Action Committee. The total number of unique contributions increased from 442 contributions in 2003 to 650 in 2019. Democrats experienced the most substantial increase in support, from 4.8% of all contribution dollars in 2003 to 26.3% in 2019. Republican support was noted to be more widespread across the United States compared with Democratic support. CONCLUSIONS: Political contributions from U.S. neurosurgeons have increased steadily over time. Donations were largely Independent but became increasingly partisan in recent years. Overall, this displays an increase in political involvement among the neurosurgeon community. Future studies are warranted into how this involvement translates to representative health policy.
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Doações , Neurocirurgiões/economia , Neurocirurgiões/tendências , Política , Feminino , Política de Saúde/economia , Política de Saúde/tendências , Humanos , Masculino , Estados UnidosRESUMO
BACKGROUND: The study of quality of life (QOL) in patients with asymptomatic diseases receiving interventional treatment provides an essential metric for the assessment of procedural benefits in the surgical patient population. In this study, we analyzed QOL data collected from patients with unruptured intracranial aneurysms (UIAs) before and after endovascular coiling in the HEAT Trial, alongside a systematic review on QOL in unruptured brain aneurysms. METHODS: HEAT was a randomized controlled trial comparing recurrence rates in aneurysms treated with either bare platinum coils or hydrogel coils. Patients enrolled in this trial completed a short form-36 (SF-36) QOL questionnaire before treatment and at the 3- to 12- and 18- to 24-month follow-ups. The change in QOL before and after treatment was assessed. Regression analysis evaluated the effect of select baseline characteristics on QOL change. RESULTS: A total of 270 patients were eligible for analysis. There was an increase in the role physical (P = 0.043), vitality (P = 0.022), and emotional well-being (P < 0.001) QOL components at the 18- to 24-month follow-up compared with baseline scores. Regression analysis showed that age younger than 60 and absence of serious adverse events were associated with improved social functioning and vitality. The literature review showed a mixed effect of intervention on QOL in patients with UIAs. CONCLUSIONS: Our analysis has revealed that patients with 3- to 14-mm UIAs had improvements in some physical and emotional components of QOL at 18-24 months following aneurysm coiling in the HEAT study. The literature remains indeterminate on this issue. Further studies are needed to better understand the effects of the diagnosis of UIAs and their treatment on QOL.
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Aneurisma Intracraniano/terapia , Recidiva Local de Neoplasia/terapia , Qualidade de Vida , Embolização Terapêutica/métodos , Humanos , Ensaios Clínicos Controlados Aleatórios como Assunto , Projetos de Pesquisa , Resultado do TratamentoRESUMO
Idiopathic normal pressure hydrocephalus (iNPH) is a progressive neurological disorder characterized by gait apraxia, cognitive decline, and urinary incontinence. It can be difficult to diagnose iNPH as the symptoms may overlap with other neurodegenerative diseases including âcervical spondylotic myelopathy. Cervical spondylotic myelopathy is a progressive degenerative disease in which compression of the cervical spinal cord causes gait disturbances and imbalance, loss of dexterity and strength in the hands, and, at late stages, urinary dysfunction. As with iNPH, increased age is associated with higher incidence and prevalence. Surgical decompression of the cervical spinal cord is the treatment of choice in patients with progressive myelopathy. Accordingly, iNPH and cervical myelopathy may both present with progressive gait impairment and incontinence, especially in the elderly. The case presented here demonstrates that both iNPH and cervical myelopathy may present simultaneously and result in gait disturbances and imbalance in some patients. For patients with suspected iNPH and myelopathic findings on examination, it is prudent to obtain a cervical spine MRI to assess for cervical stenosis. Moreover, cervical stenosis can mask the effect of cerebrospinal fluid diversion in patients with comorbid iNPH and cervical myelopathy. Therefore, the differential for patients who have symptomology suggestive of iNPH should include cervical spine myelopathy, with considerations for possible cervical decompression in addition to placement of a ventriculoperitoneal shunt.
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Primary central nervous system lymphoma is an aggressive form of non-Hodgkin lymphoma arising in the eyes, meninges, spinal cord, or brain. Treatment of primary CNS lymphoma with a combination of high-dose chemotherapy and autologous stem cell transplantation has been shown to have high rates of remission which is frequently sustained for multiple years. Recurrence of primary CNS lymphoma generally presents with one or multiple contrast enhancing lesions on MRI. In rare cases, lymphoma cells may proliferate diffusely within the brain parenchyma without mass formation, a pattern termed lymphomatosis cerebri. Lymphomatosis cerebri presents a significant diagnostic challenge, and has not been reported to present with parkinsonism. Here, we present a case of initially mass forming, contrast-enhancing primary CNS lymphoma which remitted following chemotherapy and autologous stem cell transplantation, and recurred 7 years post-transplant with symptoms of parkinsonism and a lack of typical lesions on imaging, with lymphomatosis cerebri confirmed at autopsy.
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Neoplasias do Sistema Nervoso Central , Transplante de Células-Tronco Hematopoéticas , Linfoma não Hodgkin , Transtornos Parkinsonianos , Encéfalo/diagnóstico por imagem , Neoplasias do Sistema Nervoso Central/diagnóstico por imagem , Neoplasias do Sistema Nervoso Central/terapia , Humanos , Recidiva Local de Neoplasia , Transplante de Células-Tronco , Transplante AutólogoRESUMO
OBJECTIVE: There is currently a paucity of literature evaluating procedural reimbursements and financial trends in neurosurgery. A comprehensive understanding of the economic trends and financial health of neurosurgery is important to ensure the sustained success and growth of the specialty moving forward. The purpose of this study was to evaluate monetary trends of the 10 most common spinal and cranial neurosurgical procedures in Medicare reimbursement rates from 2000 to 2018. METHODS: The Physician Fee Schedule Look-Up Tool from the Centers for Medicare & Medicaid Services was queried for each of the top 10 most utilized Current Procedural Terminology codes in both spinal and cranial neurosurgery, and comprehensive reimbursement data were extracted. The raw percent change in Medicare reimbursement rate from 2000 to 2018 was calculated for each procedure and averaged. This was then compared to the percent change in consumer price index over the same time. Using data adjusted for inflation, trend analysis was performed for all included procedures. Adjusted R-squared and both the average annual and the total percent change in reimbursement were calculated based on these adjusted trends for all included procedures. Likewise, the compound annual growth rate was calculated for all procedures. RESULTS: When all reimbursement data were adjusted for inflation, the average reimbursement for all procedures decreased by an average of 25.80% from 2000 to 2018. From 2000 to 2018, the adjusted reimbursement rate for all included procedures decreased by an average of 1.59% each year and experienced an average compound annual growth rate of -1.66%, indicating a steady annual decline in reimbursement when adjusted for inflation. CONCLUSIONS: This is the first study to evaluate comprehensive trends in Medicare reimbursement in neurosurgery. When adjusted for inflation, Medicare reimbursement for all included procedures has steadily decreased from 2000 to 2018, with similar rates of decline observed between cranial and spinal neurosurgery procedures. Increased awareness and consideration of these trends will be important moving forward for policy makers, hospitals, and neurosurgeons as continued progress is made to advance agreeable reimbursement models that allow for the sustained growth of neurosurgery in the United States.
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Reembolso de Seguro de Saúde/economia , Reembolso de Seguro de Saúde/tendências , Medicare/economia , Medicare/tendências , Procedimentos Neurocirúrgicos/economia , Procedimentos Neurocirúrgicos/tendências , Bases de Dados Factuais/economia , Bases de Dados Factuais/tendências , Humanos , Melhoria de Qualidade/economia , Melhoria de Qualidade/tendências , Estados Unidos/epidemiologiaRESUMO
Certain medical schools have begun teaching courses in health systems science (HSS) to train medical students in skills aimed to improve health care in the United States. Although substantial research has been done on the potential benefit of HSS courses, reactions from students have not been reported. In this Invited Commentary, five medical students who have completed the first year of a longitudinal HSS course at the Arizona campus of the Mayo Clinic School of Medicine offer their observations of how early exposure to HSS affected their reactions to subsequent course work and current events in health care. The authors describe the HSS course and outline three benefits they have observed from their experience so far: (1) thinking more critically about health care delivery during all educational experiences, (2) gaining a better understanding of the complexity of the health care system, and (3) having a greater consideration for the many facets of health care delivery. The HSS course helped the authors identify health systems problems, develop solutions that incorporated diverse domains of health care delivery, and recognize the role and responsibility of the physician as an agent of change in a health care system.