Microendoscopy-guided percutaneous cordotomy for intractable pain: case series of 24 patients
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Citações na Scopus
8
Tipo de produção
article
Data de publicação
2016
Título da Revista
ISSN da Revista
Título do Volume
Editora
AMER ASSOC NEUROLOGICAL SURGEONS
Autores
OLIVEIRA, Ywzhe Sifuentes Almeida de
Citação
JOURNAL OF NEUROSURGERY, v.124, n.2, p.389-396, 2016
Resumo
OBJECTIVE The aim of this study was to show that microendoscopic guidance using a double-channel technique could be safely applied during percutaneous cordotomy and provides clear real-time visualization of the spinal cord and surrounding structures during the entire procedure. METHODS Twenty-four adult patients with intractable cancer pain were treated by microendoscopic-guided percutaneous radiofrequency (RF) cordotomy using the double -channel technique under local anesthesia. A percutaneous lateral puncture was performed initially under fluoroscopy guidance to localize the target. When the subarachnoid space was reached by the guiding cannula, the endoscope was inserted for visualization of the spinal cord and surrounding structures. After target visualization, a second needle was inserted to guide the RF electrode. Cordotomy was performed by a standard RF method. RESULTS The microendoscopic double -channel approach provided real-time visualization of the target in 91% of the cases. The other 9% of procedures were performed by the single -channel technique. Significant analgesia was achieved in over 90% of the cases. Two patients had transient ataxia that lasted for a few weeks until total recovery. CONCLUSIONS The use of percutaneous microendoscopic cordotomy with the double-channel technique is useful for specific manipulations of the spinal cord. It provides real-time visualization of the RF probe, thereby adding a degree of safety to the procedure.
Palavras-chave
pain, endoscopy, spinal endoscopy, radiofrequency, minimally invasive neurosurgery, spinothalamic tract, cancer, percutaneous cordotomy, spinal cord, surgical technique
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