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題 名 | Radiofrequency Catheter Modification of Sinus Node for Inappropriate Sinus Tachycardia: A Case Report=使用高頻輻射經導管灼燒術調節不正常的竇性心博過速:一病例報告 |
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作 者 | 李世煌; 程俊傑; 管培良; 洪啟仁; | 書刊名 | 中華醫學雜誌 |
卷 期 | 60:2 1997.08[民86.08] |
頁 次 | 頁117-123 |
分類號 | 415.318 |
關鍵詞 | 經導管灼燒術; 不正常的竇性心博過速; 竇房結; Catheter ablation; Inappropriate sinus tachycardia; Sinus node; |
語 文 | 英文(English) |
中文摘要 | 我們介紹一個使用高頻輻射經導管灼燒術去調節不正常竇性心博過速的病例。一位二十二歲的男性因為心悸,胸悶、氣喘和幾乎暈厥,到本院心臟科診察。本科醫師以24小時心電圖檢查發現病人竇性心博過速,即便夜晚睡覺時心跳速度都很少低於100下/每分鐘,病人只要輕微行動,心跳便會上升至150下/每分鐘。同時使用propranolol和verapamil仍無法有效降低病人的心跳速度和症狀,故決定採用高頻輻射經導管灼燒術去調節竇房結。手術方法是以電極導管在右心房上方找尋最早心房去極化的部位,並以高頻輻射能量灼燒,成功地把病人的心跳從120下/每分鐘降至70下/每分鐘。經一個月後,病人再作24小時心電圖檢查,平均心跳次數84下/每分鐘(60下/每分鐘至125下/每分鐘),在運動心電圖檢查時,病人可運動9分鐘,達到最高心跳次數140下/每分鐘。 對於因不正常竇性心博過速導致明顯症狀的病人,若藥物無效,則使用高頻輻射經導管灼燒術去調節竇房結是可以考慮的方法之一。 |
英文摘要 | We present here, the case of a 22-year-old male suffering from persistent tachycardia for the past 3 years. His resting pulse rate was rarely below 100 beats/min, and it frequently increased to as high as 150 beats/min even after a minimal of activity. Associated symptoms included palpitation, chest tightness, dyspnea and presyncope, either during rest or with exercise. Propranolol and verapamil could not control the tachycardia. The application of radiofrequency energy to an area in the superior right atrium that demonstrated a discrete electrogram with earliest endocardial activation during tachycardia resulted in a decrease in sinus rate from 120 beats/min to 70 beats/min. Follow-up on Holter monitor, performed one month later, demonstrated an average heart rate of 84 beats/min (range 60-125). In exercise tolerance test, the patient exercised for 9 minutes, achieving a maximum heart rate of 140 beats/min. This patient remained asymptomatic without any antiarrhythmic drug during the 3-month follow-up period. Medical management in case of patients showing disabling inappropriate sinus tachycardia refractory, sinus node modification could be considered as an suitable alternative to complete atrioventricular junctional ablation. |
本系統中英文摘要資訊取自各篇刊載內容。