Visual evoked potentials in konzo, a spastic paraparesis of acute onset in Africa

Ophthalmologica

Volumn 217, Issue 6, 2003, Pages 381-386

  Mwanza, J C ^a,c   Lysebo, D E ^b   Kayembe, D L ^a   Tshala Katumbay, D ^a,d   Nyamabo, L K ^a   Tylleskar T ^c   Plant, G T ^e  

^a Kinshasa University Hospital   (Congo)

^b HAUKELAND UNIVERSITY HOSPITAL   (Norway)

^c UNIVERSITY OF BERGEN   (Norway)

^d OREGON HEALTH AND SCIENCE UNIVERSITY   (United States)

^e NATIONAL HOSPITAL FOR NEUROLOGY AND NEUROSURGERY   (United Kingdom)

Author keywords

Konzo; Upper motor neuron; Visual evoked potential

Indexed keywords

ACUTE DISEASE; ADOLESCENT; ADULT; AFRICA; AMPLITUDE MODULATION; ARTICLE; CALCULATION; CLINICAL ARTICLE; COMPARATIVE STUDY; CONTROLLED STUDY; CORRELATION ANALYSIS; DISEASE DURATION; DISEASE SEVERITY; EVOKED VISUAL RESPONSE; EYE MOVEMENT; FEMALE; HUMAN; INTEROCULAR TRANSFER; MALE; MEDICAL ASSESSMENT; OPTIC NERVE DISEASE; QUADRIPLEGIA; REFERENCE VALUE; SCHOOL CHILD; SPASTIC PARAPLEGIA; STATISTICAL SIGNIFICANCE; VISUAL ACUITY; WAVEFORM;

ACUTE DISEASE; ADOLESCENT; ADULT; CHILD; CONGO; EVOKED POTENTIALS, VISUAL; FEMALE; HUMANS; MALE; MIDDLE AGED; MOTOR NEURON DISEASE; PARAPARESIS, SPASTIC; VISUAL ACUITY; VISUAL PATHWAYS;

EID: 0142165846     PISSN: 00303755     EISSN: None     Source Type: Journal    
DOI: 10.1159/000073066     Document Type: Article

References (24)

1. Tylleskär T, Légué F, Peterson S, Kpizingui E, Stecker P: Konzo in the Central African Republic. Neurology 1994;44:959-961.
2. Tylleskär T, Banea M, Bikangi N, Cooke RD, Poulter NH, Rosling H: Cassava cyanogens and konzo, an upper motorneuron disease found in Africa. Lancet 1992;339:208-211.
3. Ministry of Health Mozambique: Mantakassa: An epidemic of spastic paraparesis associated with chronic cyanide intoxication in a cassava staple area in Mozambique. 1. Epidemiology and clinical and laboratory findings in patients. Bull World Health Organ 1984;62:477-484.
4. Howlett WP, Brubaker GR, Mlingi N, Rosling H: Konzo, an epidemic upper motor neuron disease studied in Tanzania. Brain 1990;113:223-235.
5. Trolli G: Paraplégie spastique épidémique, 'Konzo' des indigènes du Kwango; in Trolli G (ed): Résumé des observations réunies, au Kwango, au sujet de deux affections d'origine indéterminée. Brussels, Fonds Reine Elisabeth, 1938, pp 1-36.
6. Tshala-Katumbay D, Eeg-Olofsson KE, Tylleskär T, Kazadi-Kayembe T: Impairments, disabilities and handicap pattern in konzo - a non-progressive spastic para/tetraparesis of acute onset. Disabil Rehabil 2001;23:731-736.
7. Banea M, Tylleskär T, Nahimana G, Nunga M, Gebre-Medhin M, Rosling H: Geographical and seasonal association between linamarin and cyanide exposure from cassava and the upper motor neuron disease konzo in Zaire. Trop Med Int Health 1997;2:1143-1151.
8. Tylleskär T, Howlett W, Rwiza H, Aquilonious S-M, Stålberg E, Lindén B, Mandahl A, Larsen HC, Brubaker GR, Rosling H: Konzo: A distinct disease entity with selective upper motor-neuron damage. J Neurol Neurosurg Psychiatry 1993;56:638-643.
9. Tshala-Katumbay D, Mutombo-Lukusa V, Edebol Eeg-Olofsson K: EEG findings in konzo: A spastic para/tetraparesis of acute onset. Clin Electroencephalogr 2000;31:196-200.
10. Tshala-Katumbay D, Edebol Eeg-Olofsson K, Kazadi-Kayembe T, Fällmar P, Tylleskär T, Kayembe-Kalula T: Abnormalities of somato-sensory evoked potentials in konzo - an upper motor neuron disorders. Clin Neurophysiol 2002;113:10-15.
11. Tshala-Katumbay D, Edebol Eeg-Olofsson K, Kazadi-Kayembe T, Tylleskär T, Fällmar P: Analysis of motor pathway involvement in konzo using transcranial electrical and magnetic stimulation. Muscle Nerve 2002;25:230-235.
12. Mwanza J-C, Tshala-Katumbay D, Kayembe D, Eeg-Olofsson K, Tylleskär T: Neuro-ophthalmologic findings in konzo, an upper motor neuron disorder in Africa. Eur J Ophthalmol, in press.
13. WHO: Konzo, a distinct type of upper motor-neuron disease. Wkly Epidemiol Rec 1996;71: 225-232.
14. Misra U, Kalita J: Clinical Neurophysiology: Nerve Conduction, Electromyography and Evoked Potentials. New Delhi, Churchill Livingstone, 1999.
15. Riemslag F, Spekreijse H, Van Wessen T: Responses to paired onset stimuli: Implications for the delayed evoked potentials in multiple sclerosis. Electroencephalogr Clin Neurophysiol 1985;62:155-166.
16. Seki K, Nakasato N, Fujita S, Hatanaka K, Kawamura T, Kanno A, Yoshimoto T: Neuro-magnetic evidence that the P100 component of the pattern reversal visual evoked response originates in the bottom of the calcarine fissure. Electroencephalogr Clin Neurophysiol 1996;100:436-442.
17. Brecelj J, Kakigi R, Koyama S, Hoshiyama M: Visual evoked magnetic responses to central and peripheral stimulation: Simultaneous VEP recordings. Brain Topogr 1998;10:227-237.
18. Shigeto H, Tobimatsu S, Yamamoto T, Kobayashi T, Kato M: Visual evoked cortical magnetic responses to checkerboard pattern reversal stimulation: A study on the neural generators of N75, P100 and N145. J Neurol Sci 1998;156:186-194.
19. Hugon J, Ludolph A, Spencer P: β-N-Oxalylamino-1-alanine; in Spencer P, Schaumberg HH, Ludolph A (eds): Experimental and Clinical Neuro-Toxicology, ed 2. Oxford, Oxford University Press, 2000, pp 925-937.
20. Donaghy M: Classification and clinical features of motor neurone diseases and motor neuropathies in adults. J Neurol 1999;246:331-333.
21. Sawhney IM, Bansal SK, Upadhyay PK, Chopra JS: Evoked potentials in hereditary spastic paraplegia. Ital J Neurol Sci 1993;14:425-428.
22. Panegyres PK, Purdie GH, Hamilton-Bruce MA, Rischbieth RH: Familial spastic paraplegia: An electrophysiological study of central sensory conduction pathways. Clin Exp Neurol 1991;28:97-111.
23. Munte TF, Troger MC, Nusser I, Wieringa BM, Johannes S, Matzke M, Dengler R: Alteration of early components of the visual evoked potential in amyotrophic lateral sclerosis. J Neurol 1998;245:206-210.
24. Matheson JK, Harrington HJ, Hallett M: Abnormalities of multimodality evoked potentials in amyotrophic lateral sclerosis. Arch Neurol 1986;43:338-340.