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1.
Arq Neuropsiquiatr ; 64(2B): 446-50, 2006 Jun.
Article in Portuguese | MEDLINE | ID: mdl-16917617

ABSTRACT

INTRODUCTION: A new midline posterior column pathway related to visceral pain has been recently discovered. OBJECTIVE: To present its interruption by a punctate midline myelotomy providing significant visceral oncologic pain relief. METHOD: Three patients with abdominal cancer refractory pain from opiate analgesics were treated by a punctate midline myelotomy through thoracic laminectomy. RESULTS: Complete pain control was achieved in two patients, one had no more narcotics and the other one had significant lowering of opiate intake doses. The third patient was intolerant to narcotics having 80% relieving pain. There were no postoperative neurological deficits. CONCLUSION: The present report reaffirms the existence of a dorsal column midline pathway related to visceral pain in humans, and its interruption ameliorates abdominal pain due to cancer.


Subject(s)
Colonic Neoplasms/complications , Pain, Intractable/etiology , Spinal Cord/surgery , Stomach Neoplasms/complications , Aged , Female , Humans , Male , Middle Aged , Neurosurgical Procedures/methods , Pain Measurement , Pain, Intractable/surgery , Punctures/methods , Treatment Outcome , Viscera
2.
Arq. neuropsiquiatr ; 64(2b): 446-450, jun. 2006. ilus, tab
Article in Portuguese | LILACS | ID: lil-433287

ABSTRACT

INTRODUÇÃO: Uma nova via relacionada com a dor visceral foi recentemente descrita. Esta via localiza-se na linha média da coluna dorsal na medula espinhal, sendo o alvo da técnica cirúrgica aqui descrita. OBJETIVO: Apresentar os resultados de três pacientes submetidos ao tratamento da dor visceral oncológica por mielotomia punctiforme. MÉTODO: Três pacientes, com dor abdominal oncológica refratária ao tratamento clínico, foram submetidos à mielotomia punctiforme por meio de de pequena laminectomia torácica. RESULTADOS: Dois pacientes obtiveram controle completo da dor, sendo que um deles não mais necessitou de opióides. O terceiro paciente, que era intolerante aos opióides, obteve melhora de 80 por cento da dor. Nenhum dos pacientes apresentou déficit neurológico no pós-operatório. CONCLUSÃO: Ratificamos a existência de uma via, localizada na linha média da coluna dorsal, relacionada com a dor visceral em humanos, cuja ablação está relacionada à melhora da dor abdominal visceral de origem oncológica.


Subject(s)
Aged , Female , Humans , Male , Middle Aged , Colonic Neoplasms/complications , Pain, Intractable/etiology , Spinal Cord/surgery , Stomach Neoplasms/complications , Neurosurgical Procedures/methods , Pain Measurement , Pain, Intractable/surgery , Punctures/methods , Treatment Outcome , Viscera
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