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For: Brüggemann N, Heldmann M, Sprenger A, Repenthin J, Münte TF. Acute amnestic syndrome due to MDMA exposure. J Neurol 2016;263:1022-3. [DOI: 10.1007/s00415-016-8087-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 02/29/2016] [Accepted: 03/01/2016] [Indexed: 11/27/2022]

For:	Brüggemann N, Heldmann M, Sprenger A, Repenthin J, Münte TF. Acute amnestic syndrome due to MDMA exposure. J Neurol 2016;263:1022-3. [DOI: 10.1007/s00415-016-8087-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 02/29/2016] [Accepted: 03/01/2016] [Indexed: 11/27/2022]

Number

Cited by Other Article(s)

Van Steenhoven RW, de Vries JM, Bruijstens AL, Paunovic M, Nagtzaam MM, Franken SC, Bastiaansen AE, De Bruijn MA, Van Sonderen A, Schreurs MWJ, Gardeniers M, Verdijk RM, Balvers RK, Sillevis Smitt PA, Neuteboom RF, Titulaer MJ. Mimics of Autoimmune Encephalitis: Validation of the 2016 Clinical Autoimmune Encephalitis Criteria. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2023;10:e200148. [PMID: 37582614 PMCID: PMC10427145 DOI: 10.1212/nxi.0000000000200148] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/27/2023] [Indexed: 08/17/2023]

Abstract

BACKGROUND AND OBJECTIVES

The clinical criteria for autoimmune encephalitis (AE) were proposed by Graus et al. in 2016. In this study, the AE criteria were validated in the real world, and common AE mimics were described. In addition, criteria for probable anti-LGI1 encephalitis were proposed and validated.

METHODS

In this retrospective cohort study, patients referred to our national referral center with suspicion of AE and specific neuroinflammatory disorders with similar clinical presentations were included from July 2016 to December 2019. Exclusion criteria were pure cerebellar or peripheral nerve system disorders. All patients were evaluated according to the AE criteria.

RESULTS

In total, 239 patients were included (56% female; median age 42 years, range 1-85). AE was diagnosed in 104 patients (44%) and AE mimics in 109 patients (46%). The most common AE mimics and misdiagnoses were neuroinflammatory CNS disorders (26%), psychiatric disorders (19%), epilepsy with a noninflammatory cause (13%), CNS infections (7%), neurodegenerative diseases (7%), and CNS neoplasms (6%). Common confounding factors were mesiotemporal lesions on brain MRI (17%) and false-positive antibodies in serum (12%). Additional mesiotemporal features (involvement extralimbic structures, enhancement, diffusion restriction) were observed more frequently in AE mimics compared with AE (61% vs 24%; p = 0.005). AE criteria showed the following sensitivity and specificity: possible AE, 83% (95% CI 74-89) and 27% (95% CI 20-36); definite autoimmune limbic encephalitis (LE), 10% (95% CI 5-17) and 98% (95% CI 94-100); and probable anti-NMDAR encephalitis, 50% (95% CI 26-74) and 96% (95% CI 92-98), respectively. Specificity of the criteria for probable seronegative AE was 99% (95% CI 96-100). The newly proposed criteria for probable anti-LGI1 encephalitis showed a sensitivity of 66% (95% CI 47-81) and specificity of 96% (95% CI 93-98).

DISCUSSION

AE mimics occur frequently. Common pitfalls in AE misdiagnosis are mesiotemporal lesions (predominantly with atypical features) and false-positive serum antibodies. As expected, the specificity of the criteria for possible AE is low because these criteria represent the minimal requirements for entry in the diagnostic algorithm for AE. Criteria for probable AE (-LGI1, -NMDAR, seronegative) and definite autoimmune LE are applicable for decisions on immunotherapy in early disease stage, as specificity is high.

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Affiliation(s)

Robin W Van Steenhoven From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Juna M de Vries From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Arlette L Bruijstens From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Manuela Paunovic From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Mariska M Nagtzaam From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Suzanne C Franken From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Anna E Bastiaansen From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Marienke A De Bruijn From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Agnes Van Sonderen From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Marco W J Schreurs From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Mayke Gardeniers From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Robert M Verdijk From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Rutger K Balvers From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Peter A Sillevis Smitt From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Rinze F Neuteboom From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands
Maarten J Titulaer From the Department of Neurology (R.W.V.S., J.M.V., A.L.B., M.P., M.M.N., S.C.F., A.E.B., M.A.D.B., P.A.S.S., M.J.T.), Erasmus MC University Medical Center, Rotterdam; Department of Neurology (A.V.S.), Haaglanden Medical Center, The Hague; Departments of Immunology (M.W.J.S.), Radiology (M.G.), Neuropathology (R.M.V.), and Neurosurgery (R.K.B.), Erasmus MC University Medical Center; and Department of Pediatric Neurology (R.F.N.), Sophia Childrens Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands.

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Barash JA, Whitledge J, Watson CJ, Boyle K, Lim C, Lev MH, DeMaria A, Ganetsky M. Opioid-associated amnestic syndrome: Description of the syndrome and validation of a proposed definition. J Neurol Sci 2020;417:117048. [PMID: 32739497 DOI: 10.1016/j.jns.2020.117048] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 12/18/2022]

Methylenedioxymethamphetamine (MDMA) in Psychiatry: Pros, Cons, and Suggestions. J Clin Psychopharmacol 2018;38:632-638. [PMID: 30303861 DOI: 10.1097/jcp.0000000000000962] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]

Abstract

BACKGROUND

For a number of mental health disorders, including posttraumatic stress disorders (PTSD), there are not many available treatment options. Recently, there has been renewed interest in the potential of methylenedioxymethamphetamine (MDMA) to restore function for patients with these disorders. The primary hypothesis is that MDMA, via prosocial effects, increases the ability of patients to address the underlying psychopathology of the disorder. However, the use of MDMA poses potential problems of neurotoxicity, in addition to its own potential for misuse.

METHODS

In this article, the proposed potential of MDMA as an adjunct to psychotherapy for PTSD is evaluated. The rationale for the use of MDMA and the positive results of studies that have administered MDMA in the treatment of PTSD are provided (pros). A description of potential adverse effects of treatment is also presented (cons). An overview of MDMA pharmacology and pharmacokinetics and a description of potential adverse effects of treatments are also presented. Methylenedioxymethamphetamine-produced oxytocin release and decreased expression of fear conditioning as well as one of the MDMA enantiomers (the n R- entaniomer) are suggested as potential mechanisms for the beneficial effects of MDMA in PTSD (suggestions).

RESULTS

There is some evidence that MDMA facilitates recovery of PTSD. However, the significant adverse effects of MDMA raise concern for its adoption as a pharmacotherapy. Alternative potential treatments with less adverse effects and that are based on the ubiquitous pharmacology of MDMA are presented.

CONCLUSIONS

We suggest that additional research investigating the basis for the putative beneficial effects of MDMA might reveal an effective treatment with fewer adverse effects. Suggestions of alternative treatments based on the behavioral pharmacology and toxicology of MDMA and its enantiomers are presented.

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