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題 名 | Lateralization and Prognostic Value of Proton Magnetic Resonance Spectroscopy in Patients with Intractable Temporal Lobe Epilepsy=質子磁振頻譜對於頑性顳葉癲癎術前定位及手術預後的評估 |
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作 者 | 許元昱; 張承能; 朱迺欣; 林坤榮; 張程; 徐至清; | 書刊名 | 長庚醫學 |
卷 期 | 24:12 2001.12[民90.12] |
頁 次 | 頁768-778 |
分類號 | 416.29 |
關鍵詞 | 質子磁振頻譜; 顳葉癲癎; 海馬迴; Magnetic resonance spectroscopy; Temporal lobe epilepsy; Hippocampus; |
語 文 | 英文(English) |
中文摘要 | 背景:本研究目的包括評估海馬迴質子磁振頻譜的穩定性,應用於頑性顳葉癲癇病灶定位的正確性,以及與手術結果的相關性。 方法:測量30位正常受測者海馬迴質子磁振頻譜同一檢查內及不同檢查間的變異程度。以最穩定的代謝合物比率對14位頑性顳葉癲癇患者做手術前的評估。 結果:N-乙醯天門冬胺酸鹽(NAA)與含膽鹼化合物(Cho)以及肌胺酸-磷肌胺酸(Cr)的比值,亦即NAA/(Cho+Cr),較其他代謝物比值有較小的測量變異(13-28%):NAA/Cho為18-37%,NNA/Cr為11-60%,Cho/Cr為19-51%。前顳葉切除術後追?期平均為27個月(12-55個月),10位病患預後為Engel class I(71%),2位為class III。不同預後的三組病患,其降低的NAA/(Cho+Cr)值並差異Engel class I為0.26-0.47,Engel class II為0.40-0.45,Engel class III為0.34-0.40(p=0.651)。 結論:質子磁振頻譜有助於頑性顳葉癲癇病灶之術前定位,但無法提供手術治療的預後訊息。 |
英文摘要 | Backgound: The aims of this prospective study were to investigate the stability of hippocampal metabolite ratios obtained by proton magnetic resonance spectroscopy (MRS), to evaluate the ability of MRS to determine the pre-surgical lateralization of seizure focus, and to assess the relationship between MRS results and postoperative outcomes in patients intractable temporal lobe espilepsy. Methods: Within-and between-acquisition variations were evaluated in 30 control subjects, using the chemical-shift imaging technique. The most stable metabolite ratio was then applied for pre-surgical evaluation of 14 patients with intractable temporal lobe epilepsy. Results: The ratio between N-acetylaspartete (NAA) and choline-containing compounds (Cho) plus creatine-phosphocratine (Cr), i.e., NAA/(Cho+Cr), had an overall smaller percentage change between measurements (13%-28%) than did the other ratios: NAA/Cho (18%-37%), NAA/Cr (11%-60%), and Cho/Cr (19%-51%). With a mean follow-up period of 27 months (range, 12-55 months) after an anterior temporal lobectomy, 10 patients were in Engel’ s class I (71%) , 2were in class II (14%), and 2 were in class III (14%). Lateralization by MRS were consistent with the operation side in 11 (79%) patents, including class I in 8 patients, class II in 1 patients, and class III in 2 patients. Ranges of reduced NAA/(Cho+Cr) values were similar between patients with different post-surgical outcomes: 0.26-0.47 for class I, 0.40-0.45 for class II,j and 0.34-0.40 for class III (p=0.651). Conclusions: Proton MRS may be helpful in pre-surgical lateralization of the seizure focus in patients with intractable temporal lobe epilepsy; however, it cannot provide prognostic information about postoperative seizure control. |
本系統中英文摘要資訊取自各篇刊載內容。