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Palmese CA, Wyman-Chick KA, Racine C, Pollak LE, Lin G, Farace E, Tran B, Floden D, Bobholz J, Turner TH, York MK. Assessment of deep brain stimulation candidacy during the COVID-19 pandemic: Lessons learned and future directions for neuropsychologists. Clin Neuropsychol 2021; 36:72-84. [PMID: 34030595 DOI: 10.1080/13854046.2021.1929496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Neuropsychological assessment is integral to the pre-surgical deep brain stimulation (DBS) workup for patients with movement disorders. The COVID-19 pandemic quickly affected care access and shifted healthcare delivery, and neuropsychology has adapted successfully to provide tele-neuropsychological (teleNP) DBS evaluations during this time, thus permanently changing the landscape of neuropsychological practice. Method: In this paper, we discuss the lessons learned from the pandemic and we offer care management guidelines for teleNP and in-person evaluations of pre-DBS populations, with exploration of the feasibility of the different approaches for uninterrupted care access. Results: We summarize the strengths and weaknesses of these care models and we provide future directions for the state of clinical neuropsychological practice for DBS programs, with implications for broader patient populations. Conclusions: A better understanding of these dynamics will inform and educate the DBS team and community regarding the complexities of performing DBS neuropsychological evaluations during COVID-19 and beyond.
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Affiliation(s)
- C A Palmese
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - K A Wyman-Chick
- HealthPartners Struthers Parkinson's Center, Twin Cities, MN, USA
| | - C Racine
- Dept of Neurological Surgery, University of California at San Francisco, San Francisco, CA, USA
| | | | - G Lin
- Harvard Medical School, Boston, MA, USA
| | - E Farace
- Departments of Public Health Sciences and Neurosurgery, Penn State University, Hershey, PA, USA
| | - B Tran
- Dept of Neurology, University of Pennsylvania, Philadelphia, PA, USA
| | - D Floden
- Psychiatry & Psychology, Cleveland Clinic, Cleveland, OH, USA
| | - J Bobholz
- Medical College of Wisconsin, Green Bay, WI, USA
| | - T H Turner
- Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - M K York
- Baylor College of Medicine, Houston, TX, USA
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York MK, Farace E, Pollak L, Floden D, Lin G, Wyman-Chick K, Bobholz J, Palmese CA, Racine C, Tran B, Turner TH, Jimenez-Shahed J. The global pandemic has permanently changed the state of practice for pre-DBS neuropsychological evaluations. Parkinsonism Relat Disord 2021; 86:135-138. [PMID: 34049812 PMCID: PMC8119389 DOI: 10.1016/j.parkreldis.2021.04.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/05/2021] [Accepted: 04/29/2021] [Indexed: 12/19/2022]
Abstract
The evaluation and management of patients with movement disorders has evolved considerably due to the COVID-19 pandemic, including the assessment of candidates for deep brain stimulation (DBS) therapy. Members of the Neuropsychology Focus Group from the Parkinson Study Group Functional Neurosurgical Working Group met virtually to discuss current practices and solutions, build consensus, and to inform the DBS team and community regarding the complexities of performing DBS neuropsychological evaluations during COVID-19. It is our viewpoint that the practice of neuropsychology has adapted successfully to provide tele-neuropsychological pre-DBS evaluations during the global pandemic, thus permanently changing the landscape of neuropsychological services.
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Affiliation(s)
- M K York
- Baylor College of Medicine, Houston, TX, USA.
| | - E Farace
- Pennsylvania State University, Hersey, PA, USA
| | - L Pollak
- Massachusetts General, Boston, MA, USA
| | - D Floden
- Cleveland Clinic, Cleveland, OH, USA
| | - G Lin
- Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - K Wyman-Chick
- HealthPartners Struthers Parkinson's Center, Twin Cities, MN, USA
| | - J Bobholz
- Medical College of Wisconsin, Green Bay, WI, USA
| | - C A Palmese
- The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - C Racine
- University of California at San Francisco, San Francisco, CA, USA
| | - B Tran
- University of Pennsylvania, Philadelphia, PA, USA
| | - T H Turner
- Medical University of South Carolina, Charleston, SC, USA
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Kest B, Palmese CA, Hopkins E, Adler M, Juni A, Mogil JS. Naloxone-precipitated withdrawal jumping in 11 inbred mouse strains: evidence for common genetic mechanisms in acute and chronic morphine physical dependence. Neuroscience 2003; 115:463-9. [PMID: 12421612 DOI: 10.1016/s0306-4522(02)00458-x] [Citation(s) in RCA: 111] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Physical dependence is a widely known consequence of morphine intake. Although commonly associated with prolonged or repeated morphine administration, withdrawal symptoms can be elicited even after a single prior morphine exposure. What remains contentious is the extent to which physical dependence following acute and chronic morphine treatment is mediated by common physiological substrates and, accordingly, represent distinct syndromes. The genetic relationship between acute and chronic morphine dependence was thus presently studied by comparing mice of 11 inbred strains (129P3, A, AKR, BALB/c, C3H/He, C57BL/6, CBA, DBA/2, LP, SJL, and SWR) for naloxone-precipitated withdrawal jumping responses using three subcutaneous morphine administration paradigms: acute (single injection) or chronic (three daily morphine injections for 4 days) injection, or chronic infusion (7 days via implanted osmotic minipumps). Although there were differences in the magnitude of withdrawal jumping between the three different morphine administration paradigms, large and significant strain differences were observed for each. In addition, the same strains were unusually sensitive or, conversely, altogether refractory to withdrawal jumping across all morphine treatment conditions. Overall, strain jumping means between acute and chronic dependence paradigms displayed a high degree of genetic correlation (r=0.87-0.95). The significant correlation between chronic morphine injection and continuous morphine infusion discounts the possible confounding effect of contextual learning and spontaneous withdrawal between chronic injections on the assessment of naloxone-precipitated withdrawal. Substantial heritability was also observed for acute and both paradigms of chronic dependence, with estimates ranging from h(2)=0.53 to 0.70. The present demonstration of a strong genetic correlation between physical dependence to morphine following acute and chronic treatment implies that genes associated with variable sensitivity in the two traits are the same, and is suggestive of shared physiological substrates. The data also demonstrate that the differential genetic liability to morphine physical dependence begins with, and is predicted by, the first morphine exposure.
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Affiliation(s)
- B Kest
- Department of Psychology and Center for Developmental Neuroscience, The College of Staten Island, City University of New York, 10314, USA.
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Abstract
The present study compared male and female mice for frequency of naloxone-precipitated jumping and naloxone ED(50) values, two common indices of physical dependence, following acute and chronic morphine administration. Both sexes displayed a positive dose-response relationship between acute morphine and naloxone doses and jumping frequency. There was a significant main effect of sex, with mean jumping frequencies greater in males. The naloxone ED(50) estimate was also fourfold lower in males, indicating greater withdrawal sensitivity than females. Jumping frequencies were similar in male and female saline-treated control mice, discounting initial sex differences as a significant factor in the unequal magnitude and sensitivity in acute morphine dependence between sexes. In contrast, males and females displayed similar mean withdrawal jumping frequencies and naloxone ED(50) values after 3 days of morphine injections. Sex difference in withdrawal jumping was also not observed when morphine treatment was increased to 7 days via daily injection or continuous subcutaneous infusion. The present study demonstrates the development of greater physical dependence in male relative to female mice following acute but not chronic morphine administration.
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Affiliation(s)
- B Kest
- Department of Psychology and Center for Developmental Neuroscience, College of Staten Island/City University of New York, Staten Island, NY 10314, USA.
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Abstract
It has been hypothesized that morphine tolerance and dependence in mice following chronic exposure may reflect increased compensatory activity of antiopioid systems. The endogenous peptide nociceptin/orphanin FQ has been shown to have anti-opioid effects, for example antagonizing morphine analgesia. Moreover, chronic morphine administration increases synthesis of the peptide, and morphine tolerance and dependence can be attenuated or reversed by antagonists and agonists of the nociceptin/orphanin FQ receptor, respectively. The present study seeks to confirm a role for nociceptin/orphanin FQ in opioid tolerance and dependence by comparing morphine ED(50) values and naloxone-precipitated withdrawal jumping in mice homozygous (knock-out) and heterozygous for a null mutation of the Npnc1 gene encoding the nociceptin/orphanin FQ propeptide, and their wild type littermates, following chronic morphine exposure. Relative to morphine-naive control mice, significant rightward shifts in the morphine dose-response curve, resulting in increased morphine ED(50) values (approximately two to three-fold), was observed for all genotypes following three days of repeated systemic morphine injections. However, no differences between genotypes in the magnitude of tolerance were observed. In contrast, knock-out mice displayed significantly increased naloxone-precipitated withdrawal jumping relative to heterozygous and wild-type mice following implantation with a morphine pellet (25mg) for 72h. Use of nociception/orphaninFQ transgenic knock-out mice thus demonstrate the differential involvement of nociceptin/orphanin FQ in morphine tolerance and dependence.
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Affiliation(s)
- B Kest
- Department of Psychology and Center for Developmental Neuroscience, The College of Staten Island, City University of New York, Staten Island 10314 USA.
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Abstract
Traumatic brain injury (TBI) is a prevalent cause of cognitive impairments and dysfunctions and affects over 2 million individuals each year. Mild traumatic brain injury (MTBI) is generally defined by a brief loss of consciousness, and post-traumatic amnesia that lasts for less than 24 hours. One region of the brain that is likely affected in patients with MTBI is the pre-frontal cortex. This region mediates several functions, including those required for adequate attention. Three individuals, diagnosed with MTBI and difficulties with attention, volunteered to participate in the study. Individuals were presented with 10 weeks of cognitive retraining with the Attention Process Training-II (APT-II) programme, followed by 6 or 7 weeks of educational and applicational programmes. Cognitive tests were administered both pre- and post-training to assess the effectiveness of the programme. Analysis of the results showed that the APT-II programme improved attention and performance speed in each of the three individuals. In addition, any rehabilitated cognitive skills remained stable in each individual in the absence of the rehabilitation programme for at least 6 weeks.
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Affiliation(s)
- C A Palmese
- Neuroscience Program, Trinity College, Hartford, CT, USA
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