References
- 1Bhatia KP, Bain P, Bajaj N, Elble RJ, Hallett M, Louis ED, et al. Consensus Statement on the classification of tremors. From the task force on tremor of the International Parkinson and Movement Disorder Society. Mov Disord. 2018 Jan; 33(1): 75–87. DOI: 10.1002/mds.27121
- 2Tarakad A, Jankovic J. Essential Tremor and Parkinson’s Disease: Exploring the Relationship. Tremor Other Hyperkinet Mov (N Y). 2019 Jan 9; 8: 589. DOI: 10.5334/tohm.441
- 3Louis ED. Non-motor symptoms in essential tremor: A review of the current data and state of the field. Parkinsonism Relat Disord. 2016 Jan 1; 22: S115–8. DOI: 10.1016/j.parkreldis.2015.08.034
- 4Elble RJ. Do We Belittle Essential Tremor by Calling It a Syndrome Rather Than a Disease? No. Front Neurol. 2020 Sep 30; 11: 586606. DOI: 10.3389/fneur.2020.586606
- 5Teive HAG. Essential tremor: Phenotypes. Park Relat Disord. 2012 Jan 1; 18(SUPPL. 1): S140–2. DOI: 10.1016/S1353-8020(11)70044-X
- 6Bermejo-Pareja F. Essential tremor--a neurodegenerative disorder associated with cognitive defects? Nat Rev Neurol. 2011 May; 7(5): 273–82. DOI: 10.1038/nrneurol.2011.44
- 7Huang H-Y, Zhao Q-Z, Ning P-P, Shen Q-Y, Wang H, Xie D, et al. Non-motor symptoms are associated with midline tremor in essential tremor. Acta Neurol Scand. 2020 Nov; 142(5): 501–10. DOI: 10.1111/ane.13290
- 8Peng J, Wang L, Li N, Li J, Duan L, Peng R. Distinct non-motor features of essential tremor with head tremor patients. Acta Neurol Scand. 2020 Jul; 142(1): 74–82. DOI: 10.1111/ane.13242
- 9Rajalingam R, Breen DP, Lang AE, Fasano A. Essential tremor plus is more common than essential tremor: Insights from the reclassification of a cohort of patients with lower limb tremor. Parkinsonism Relat Disord. 2018 Nov; 56: 109–10. DOI: 10.1016/j.parkreldis.2018.06.029
- 10Prasad S, Pal PK. Reclassifying essential tremor: Implications for the future of past research. Mov Disord. 2019 Mar; 34(3): 437. DOI: 10.1002/mds.27615
- 11Louis ED, Bares M, Benito-Leon J, Fahn S, Frucht SJ, Jankovic J, et al. Essential tremor-plus: a controversial new concept. Lancet Neurol. 2020 Mar; 19(3): 266–70. DOI: 10.1016/S1474-4422(19)30398-9
- 12Lenka A, Louis ED. Do We Belittle Essential Tremor by Calling It a Syndrome Rather Than a Disease? Yes. Front Neurol. 2020 Oct 15; 11: 522687. DOI: 10.3389/fneur.2020.522687
- 13van der Stouwe AMM, Everlo CSJ, Tijssen MAJ. Which disease features run in essential tremor families? A systematic review. Parkinsonism Relat Disord. 2019 Dec; 69: 71–8. DOI: 10.1016/j.parkreldis.2019.10.017
- 14Elble R. The Essential Tremor Rating Assessment Scale. J Neurol Neuromedicine. 2016; 1(4): 34–8. DOI: 10.29245/2572.942X/2016/4.1038
- 15Pandey S, Bhattad S, Hallett M. The Problem of Questionable Dystonia in the Diagnosis of “Essential Tremor-Plus”. Tremor Other Hyperkinet Mov (N Y). 2020 Aug 13; 10: 27. DOI: 10.5334/tohm.539
- 16Louis ED. Rising Problems with the Term “ET-plus”: Time for the Term Makers to Go Back to the Drawing Board. Tremor Other Hyperkinet Mov (N Y). 2020 Aug 13; 10: 28. DOI: 10.5334/tohm.555
- 17Jankovic J, Tan EK. Parkinson’s disease: etiopathogenesis and treatment. J Neurol Neurosurg Psychiatry. 2020 Aug; 91(8): 795–808. DOI: 10.1136/jnnp-2019-322338
- 18Pandey S, Bhattad S. Questionable Dystonia in Essential Tremor Plus: A Video-Based Assessment of 19 Patients. Mov Disord Clin Pract. 2019 Oct 23; 6(8): 722–3. DOI: 10.1002/mdc3.12838
- 19Lou JS, Jankovic J. Essential tremor: clinical correlates in 350 patients. Neurology. 1991 Feb; 41(2 (Pt 1)): 234–8. DOI: 10.1212/WNL.41.2_Part_1.234
- 20Louis ED, Dogu O. Does age of onset in essential tremor have a bimodal distribution? Data from a tertiary referral setting and a population-based study. Neuroepidemiology. 2007; 29(3–4): 208–12. DOI: 10.1159/000111584
- 21Prasad S, Bhalsing KS, Jhunjhunwala K, Lenka A, Binu VS, Pal PK. Phenotypic Variability of Essential Tremor Based on the Age at Onset. Can J Neurol Sci. 2019 Mar; 46(2): 192–8. DOI: 10.1017/cjn.2018.384
- 22LaRoia H, Louis ED. Association between Essential Tremor and Other Neurodegenerative Diseases: What Is the Epidemiological Evidence? Neuroepidemiology. 2011; 37(1): 1–10. DOI: 10.1159/000328866
- 23Deng H, Wu S, Jankovic J. Essential tremor: genetic update. Expert Rev Mol Med. 2019 Dec 10; 21:
e8 . DOI: 10.1017/erm.2019.7 - 24Bain PG, Findley LJ, Thompson PD, Gresty MA, Rothwell JC, Harding AE, et al. A study of hereditary essential tremor. Brain. 1994; 117(4): 805–24. DOI: 10.1093/brain/117.4.805
- 25Ondo WG. Current and Emerging Treatments of Essential Tremor. Neurol Clin. 2020 May; 38(2): 309–23. DOI: 10.1016/j.ncl.2020.01.002
- 26Handforth A, Parker GA. Conditions Associated with Essential Tremor in Veterans: A Potential Role for Chronic Stress. Tremor Other Hyperkinet Mov (N Y). 2018; 8: 517. DOI: 10.5334/tohm.400
- 27Mostile G, Jankovic J. Alcohol in essential tremor and other movement disorders. Mov Disord. 2010 Oct 30; 25(14): 2274–84. DOI: 10.1002/mds.23240
- 28Huang H, Yang X, Zhao Q, Ning P, Shen Q, Wang H, et al. Clinical characteristics of patients with essential tremor or essential tremor plus. Acta Neurol Scand. 2020 Apr 1; 141(4): 335–41. DOI: 10.1111/ane.13209
- 29Mittal SO, Lenka A, Jankovic J. Botulinum toxin for the treatment of tremor. Parkinsonism Relat Disord. 2019 Jun; 63: 31–41. DOI: 10.1016/j.parkreldis.2019.01.023
- 30Niemann N, Jankovic J. Botulinum Toxin for the Treatment of Hand Tremor. Toxins (Basel). 2018 Jul 19; 10(7): 299. DOI: 10.3390/toxins10070299
- 31Minen MT, Louis ED. Emergence of Parkinson’s disease in essential tremor: A study of the clinical correlates in 53 patients. Mov Disord. 2008 Aug 15; 23(11): 1602–5. DOI: 10.1002/mds.22161
- 32Rao AK, Louis ED. Ataxic Gait in Essential Tremor: A Disease-Associated Feature? Tremor Other Hyperkinet Mov (N Y). 2019; 9. DOI: 10.5334/tohm.507
- 33Singer C, Sanchez-Ramos J, Weiner WJ. Gait abnormality in essential tremor. Mov Disord. 1994 Mar; 9(2): 193–6. DOI: 10.1002/mds.870090212
- 34Louis ED, Faust PL. Essential tremor: the most common form of cerebellar degeneration? Cerebellum & Ataxias. 2020 Dec 14; 7(1): 12. DOI: 10.1186/s40673-020-00121-1
- 35Louis ED, Faust PL. Essential Tremor Within the Broader Context of Other Forms of Cerebellar Degeneration. Cerebellum. 2020 Dec; 19(6): 879–96. DOI: 10.1007/s12311-020-01160-4
- 36Louis ED, Kerridge CA, Chatterjee D, Martuscello RT, Diaz DT, Koeppen AH, et al. Contextualizing the pathology in the essential tremor cerebellar cortex: a patholog-omics approach. Acta Neuropathol. 2019; 138(5): 859–76. DOI: 10.1007/s00401-019-02043-7
- 37Sengul Y, Sengul HS, Yucekaya SK, Yucel S, Bakim B, Pazarcı NK, et al. Cognitive functions, fatigue, depression, anxiety, and sleep disturbances: assessment of nonmotor features in young patients with essential tremor. Acta Neurol Belg. 2015 Sep; 115(3): 281–7. DOI: 10.1007/s13760-014-0396-6
- 38Fabbrini G, Berardelli I, Falla M, Moretti G, Pasquini M, Altieri M, et al. Psychiatric disorders in patients with essential tremor. Parkinsonism Relat Disord. 2012 Sep; 18(8): 971–3. DOI: 10.1016/j.parkreldis.2012.05.005
- 39Dogu O, Louis ED, Sevim S, Kaleagasi H, Aral M. Clinical characteristics of essential tremor in Mersin, Turkey: a population-based door-to-door study. J Neurol. 2005 May; 252(5): 570–4. DOI: 10.1007/s00415-005-0700-8
- 40Huang H, Yang X, Zhao Q, Chen Y, Ning P, Shen Q, et al. Prevalence and Risk Factors of Depression and Anxiety in Essential Tremor Patients: A Cross-Sectional Study in Southwest China. Front Neurol. 2019 Nov 15; 10: 1194. DOI: 10.3389/fneur.2019.01194
- 41Louis ED, Barnes L, Albert SM, Cote L, Schneier FR, Pulman SL, et al. Correlates of functional disability in essential tremor. Mov Disord. 2001 Sep; 16(5): 914–20. DOI: 10.1002/mds.1184
- 42Acar BA, Acar T. Essential tremor is not only a movement disorder; its relationship with sleep and anxiety. Noro Psikiyatr Ars. 2019 Mar; 56(1): 18–22.
- 43Smeltere L, Kuzņecovs V, Erts R. Depression and social phobia in essential tremor and Parkinson’s disease. Brain Behav. 2017 Sep; 7(9):
e00781 . DOI: 10.1002/brb3.781 - 44Aslam S, Zhang N, Adler CH, Caviness JN, Driver-Dunckley E, Mehta SH, et al. Essential tremor and depression. Mov Disord Clin Pract. 2017; 4(6): 838–42. DOI: 10.1002/mdc3.12530
- 45Louis ED. The roles of age and aging in essential tremor: an epidemiological perspective. Neuroepidemiology. 2019; 52(1–2): 111–8. DOI: 10.1159/000492831
- 46Bermejo-Pareja F, Louis ED, Benito-León J. Risk of incident dementia in essential tremor: a population-based study. Mov Disord. 2007 Aug 15; 22(11): 1573–80. DOI: 10.1002/mds.21553
- 47Chandran V, Pal PK. Essential tremor: beyond the motor features. Parkinsonism Relat Disord. 2012 Jun; 18(5): 407–13. DOI: 10.1016/j.parkreldis.2011.12.003
- 48Kim JS, Song IU, Shim YS, Park JW, Yoo JY, Kim YI, et al. Cognitive impairment in essential tremor without dementia. J Clin Neurol. 2009 Jun; 5(2): 81–4. DOI: 10.3988/jcn.2009.5.2.81
- 49Shalash AS, Mohamed H, Mansour AH, Elkady A, Elrassas H, Hamid E, et al. Clinical profile of non-motor symptoms in patients with essential tremor: impact on quality of life and age-related differences. Tremor Other Hyperkinet Mov (N Y). 2019; 9: 1–8. DOI: 10.5334/tohm.471
- 50Radler KH, Zdrodowska MA, Dowd H, Cersonsky TEK, Huey ED, Cosentino S, et al. Rate of progression from mild cognitive impairment to dementia in an essential tremor cohort: A prospective, longitudinal study. Park Relat Disord. 2020 May 1; 74: 38–42. DOI: 10.1016/j.parkreldis.2020.04.008
- 51Shill HA, Hentz JG, Jacobson SA, Belden C, Sabbagh MN, Beach TG, et al. Essential tremor in the elderly and risk for dementia. J Neurodegener Dis. 2014; 2014: 328765. DOI: 10.1155/2014/328765
- 52Bugalho P, Salavisa M, Borbinha C, Fernandes M, Meira B, Barbosa R, et al. REM sleep behaviour disorder in essential tremor: a polysomnographic study. J Sleep Res. 2020 Apr 23;
e13050 . DOI: 10.1111/jsr.13050 - 53Salsone M, Arabia G, Manfredini L, Quattrone A, Chiriaco C, Vescio B, et al. REM-Sleep Behavior Disorder in Patients With Essential Tremor: What Is Its Clinical Significance? Front Neurol. 2019 Apr 24; 10: 315. DOI: 10.3389/fneur.2019.00315
- 54Barbosa R, Mendonça M, Ladeira F, Miguel R, Bugalho P. Probable REM-Sleep Behavior Disorder and Dysautonomic Symptoms in Essential Tremor. Tremor Other Hyperkinet Mov (N Y). 2017; 7: 522. DOI: 10.5334/tohm.350
- 55Thenganatt MA, Jankovic J. The relationship between essential tremor and Parkinson’s disease. Parkinsonism Relat Disord. 2016 Jan; 22(Suppl 1): S162–5. DOI: 10.1016/j.parkreldis.2015.09.032
- 56Tan EK, Lee SS, Fook-Chong S, Lum SY. Evidence of increased odds of essential tremor in Parkinson’s disease. Mov Disord. 2008 May 15; 23(7): 993–7. DOI: 10.1002/mds.22005
- 57Wang X-X, Feng Y, Li X, Zhu X-Y, Truong D, Ondo WG, et al. Prodromal Markers of Parkinson’s Disease in Patients With Essential Tremor. Front Neurol. 2020 Aug 25; 11: 874. DOI: 10.3389/fneur.2020.00874
- 58Ghika A, Kyrozis A, Potagas C, Louis ED. Motor and Non-motor Features: Differences between Patients with Isolated Essential Tremor and Patients with Both Essential Tremor and Parkinson’s Disease. Tremor Other Hyperkinet Mov (N Y). 2015; 5: 335. DOI: 10.5334/tohm.248
- 59Lau HL, Marmol SE, Margolesky J. Features in essential tremor and the development of Parkinson’s disease vs. parkinsonism. Neurol Sci. 2020 Nov; 41(11): 3249–53. DOI: 10.1007/s10072-020-04439-w
- 60Louis ED. “Essential Tremor Plus”: A Problematic Concept: Implications for Clinical and Epidemiological Studies of Essential Tremor. Neuroepidemiology. 2020; 54(Suppl. 2): 180–4. DOI: 10.1159/000502862
