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1.
Korean Journal of Cerebrovascular Surgery ; : 15-18, 2006.
Artigo em Coreano | WPRIM | ID: wpr-200104

RESUMO

OBJECTIVE: MR spectroscopy is a noninvasive method of monitoring in vivo metabolite concentration changes over time. In this study we evaluated the usefulness of combined magnetic resonance imaging and spectroscopy on the diagnosis of cerebral infarction. METHODS: Combined magnetic resonance imaging and spectroscopy investigations were carried out with 1.5-T system in 18 volunteers, 10 patients with acute infarction (< 8 hours). RESULTS: Acute ischemic infarctions were characterized by decreased N-acetyl aspartate and elevation of lactate. CONCLUSION: Metabolic alterations in ischemic tissue can be monitored.


Assuntos
Humanos , Ácido Aspártico , Infarto Cerebral , Diagnóstico , Infarto , Ácido Láctico , Imageamento por Ressonância Magnética , Espectroscopia de Ressonância Magnética , Análise Espectral , Voluntários
2.
Journal of Korean Neurosurgical Society ; : 325-328, 2003.
Artigo em Coreano | WPRIM | ID: wpr-227617

RESUMO

OBJECTIVE: There are few reports on the clinical outcomes of the percutaneous endoscopic lumbar discectomy(PELD) with laser for the treatment of far lateral lumbar disc herniation. The objective of this study is to assess the safety and efficacy of the PELD with laser for the treatment of far lateral lumbar disc herniation. METHODS: The clinical records of 42 patients who had far lateral lumbar disc herniation and underwent PELD with laser between January 1996 and August 2002 were analyzed retrospectively. There were 24(57.1%) males and 18(42.9%) females, with a mean age of 53(range, 26-73) years. The surgical procedure was performed via a posterolateral approach after induction of a local anesthesis. The clinical outcomes were measured with MacNabO s criteria. The mean follow-up period was 38(range, 5-77) months. RESULTS: Clinical outcomes were revealed as follows: excellent in 28 patients(66.7%); good in 11(26.2%); fair in 2(4.7%); and poor in 1(2.4%). Therefore, the percentage of successful(excellent and good) outcomes was 92.9%. There was no statistically significant variation in the success rates according to age and operation level(p>0.05). Before the introduction of the high resolution endoscope, the success rate was 90.3% but after upgrading to the high resolution endoscope, the success rate was 100%, and there was a statistically significant variation in the success rate(p<0.05). In all cases, there was no complication or recurrence. CONCLUSION: As a minimally invasive surgery, PELD with laser is a safe and efficacious procedure for the treatment of far lateral disc herniation.


Assuntos
Feminino , Humanos , Masculino , Discotomia , Endoscópios , Seguimentos , Recidiva , Estudos Retrospectivos , Procedimentos Cirúrgicos Minimamente Invasivos
3.
Journal of the Korean Cancer Association ; : 544-553, 1991.
Artigo em Coreano | WPRIM | ID: wpr-55150

RESUMO

No abstract available.


Assuntos
Clorofórmio
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