Atrial Demand Pacing in Patients with Symptomatic Sick Sinus Syndrome.

スポンサーリンク

概要

• 論文の詳細を見る

• Atrial demand pacing provides a physiological, simply implemented, and less costly alternative of cardiac stimulation in symptomatic sick sinus syndrome (SSS) patients. Hindrance from widespread use stems mainly from the potential development of high degree AV block and persistent atrial fibrillation. A reappraisal of atrial pacing is now justified as we gain more clinical information. In this study we examined retrospectively the clinical course of 22 well-selected SSS patients paced in AAI mode for 30±29 months. Two patients had infrequent short-run atrial tachyrhythmia before implantation. There was an early lead dislodgement which required repositioning later. Three acute threshold increments were noted which necessitated a change in atrial pacing site in one and short-term steroid use in the other two. No other sensing, pacing or operative complication occurred and all pacing systems performed well. All patients survived during follow-up and no patient developed congestive heart failure, though depressed left ventricular function was found in three preoperatively. No high degree AV block was encountered. Four patients presented paroxysmal atrial fibrillation (PAF) 25±16 months after the procedure, of whom one developed chronic atrial fibrillation. No single factor predicted the development of PAF. Resumption of normal pacemaker function always occurred immediately in the pause following cessation of PAF and no revision of pacing mode was required in the patient with chronic AF. Symptomatic relief was obtained in all patients. In summary, single chamber, single rate atrial pacing remains a physiologic, reliable, economic and easily implemented pacing modality affordable to a number of sick sinus patients. Maintenance of atrial pacing is feasible in the presence of paroxysmal/chronic atrial fibrillation.

• International Heart Journal刊行会の論文

著者

• Lee Wen

  Division Of Allergy Immunology And Rheumatology Department Of Pediatrics Chang Gung Children's

• CHANG Mau

  Division of Cardiology, Department of Medicine, Veterans General Hospital

• CHEN Wan

  Division of Cardiology, Department of Medicine, Veterans General Hospital

• LEE Wen

  Division of Cardiology, Department of Medicine, Veterans General Hospital

• WANG Jiann

  Division of Cardiology, Department of Medicine, Veterans General Hospital

• KONG Chi

  Division of Cardiology, Department of Medicine, Veterans General Hospital

• WANG Shih

  Division of Cardiology, Department of Medicine, Veterans General Hospital

関連論文

• Successful unrelated donor cord blood transplantation for chronic granulomatous disease
• Hemodynamic Mechanism of Vasovagal Syncope.
• Atrial Demand Pacing in Patients with Symptomatic Sick Sinus Syndrome.

スポンサーリンク