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Considerations on HAM/TSP: rediscovering Tumaco

Reflexões sobre HAM/TSP: redescobrindo Tumaco

Abstracts

Considerations are made on the role of HTL.V-I in the etiopathogeny of HAM/ TSP. Neuroepidemiologic data reported in the literature are revisited for this purpose. Among results of this evaluation it is pointed-out that the Gkinawan Community of Brazil presents ethnographic and demographic characteristics which are ideal for designining new studies. For instance, analyses on HTLV-I and on HAM/TSP in face of the cohort of such community classified according to time and direction of the migration (Japan-Brazil and vice-versa), will ensure promising results for the understanding of etiopathogeny of HAM/TSP. They can also be paths towards clarifying the simultaneous generating, of geographical foci of the disease distant one the other, as that of Tumaco and that of south Japan.

HTLV-I; myelopathy; neuroepidemiology; geographical distribution


São feitas considerações acerca do papel etiopatogênico do HTLV-I na paraplegia espástica tropical (TSP), a mielopatia associada ao HTDV-I (HAM). Aspectos neuroepide-miológicos registrados na literatura são reavaliados com essa finalidade. Da avaliação resultam perspectivas para novos estudos. Para estes, é salientado que a Comunidade de Okinawa no Brasil apresenta características étnicas e demográficas ideais. Análises sobre o HTLV-I e a HAM/TSP em confronto a coorte populacional dessa comunidade classificada de acordo com o tempo e o sentido da corrente migratória (Japão-Brasil e vice-versa) poderão, por exemplo, garantir resultados promissores para a compreensão da etiopatogenia da HAM/TSP. Poderão constituir-se também em caminho para esclarecer a origem simultânea de focos geográficos da doença tão distantes entre si como o de Tumaco e o do sul do Japão.

HTDV-I; mielopatia; neuroepidemiologia; distribuição geográfica


Considerations on HAM/TSP: rediscovering Tumaco

Reflexões sobre HAM/TSP: redescobrindo Tumaco

Noboru Yasuda

Department of Neurology, Faculty of Medicine, University of São Paulo. Assistant Professor, M.D., Master in Neurology

SUMMARY

Considerations are made on the role of HTL.V-I in the etiopathogeny of HAM/ TSP. Neuroepidemiologic data reported in the literature are revisited for this purpose. Among results of this evaluation it is pointed-out that the Gkinawan Community of Brazil presents ethnographic and demographic characteristics which are ideal for designining new studies. For instance, analyses on HTLV-I and on HAM/TSP in face of the cohort of such community classified according to time and direction of the migration (Japan-Brazil and vice-versa), will ensure promising results for the understanding of etiopathogeny of HAM/TSP. They can also be paths towards clarifying the simultaneous generating, of geographical foci of the disease distant one the other, as that of Tumaco and that of south Japan.

Key words: HTLV-I, myelopathy, neuroepidemiology, geographical distribution.

RESUMO

São feitas considerações acerca do papel etiopatogênico do HTLV-I na paraplegia espástica tropical (TSP), a mielopatia associada ao HTDV-I (HAM). Aspectos neuroepide-miológicos registrados na literatura são reavaliados com essa finalidade. Da avaliação resultam perspectivas para novos estudos. Para estes, é salientado que a Comunidade de Okinawa no Brasil apresenta características étnicas e demográficas ideais. Análises sobre o HTLV-I e a HAM/TSP em confronto a coorte populacional dessa comunidade classificada de acordo com o tempo e o sentido da corrente migratória (Japão-Brasil e vice-versa) poderão, por exemplo, garantir resultados promissores para a compreensão da etiopatogenia da HAM/TSP. Poderão constituir-se também em caminho para esclarecer a origem simultânea de focos geográficos da doença tão distantes entre si como o de Tumaco e o do sul do Japão.

Palavras-chave: HTDV-I, mielopatia, neuroepidemiologia, distribuição geográfica.

Full text available only in PDF format.

Texto completo disponível apenas em PDF.

Acknowledgement — The Author thanks for the skill of their orientation and assistance to: Prof. A. Spina-França, M.D. (Neurology Investigation Center, Department of Neurology, Faculty of Medicine, University of São Paulo); Prof. Gustavo C. Román, M.D. and Joana, Rosario, M.D. (Neuroepidemiology Branch, NINDS, National Institutes of Health, Bethesda, Maryland, USA).

Aceite: 01-agosto-1992.

Dr. Noboru Yasuda — Caixa Postal 5199 - 01061-970 São Paulo SP - Brasil.

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Publication Dates

  • Publication in this collection
    19 Jan 2011
  • Date of issue
    Mar 1993
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