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Transcoronary cardiac pacing during myocardial ischemia
Catheterization and cardiovascular diagnosis, 1993-10, Vol.30 (2), p.162-165
Laird, MAJ. John R.
Hull, MAJ. Robert
Stajduhar, MAJ. Karl C.
Weston, MAJ. Lawrence T.
Kufs, MAJ. William
Wortham, Dale C.
1993
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Laird, MAJ. John R.
Hull, MAJ. Robert
Stajduhar, MAJ. Karl C.
Weston, MAJ. Lawrence T.
Kufs, MAJ. William
Wortham, Dale C.
Titel
Transcoronary cardiac pacing during myocardial ischemia
Ist Teil von
Catheterization and cardiovascular diagnosis, 1993-10, Vol.30 (2), p.162-165
Ort / Verlag
New York: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
1993
Quelle
MEDLINE
Beschreibungen/Notizen
Severe bradyarrhythmias are a rare but potentially life threatening complication of percutaneous transluminal coronary angioplasty (PTCA). Previous work has outlined a technique for coronary pacing using the angioplasty guidewire. To examine the effectiveness of this technique during severe ischemia, seven swine underwent placement of an unmodified 0.014 inch angioplasty guidewire and 3.0 mm balloon catheter in the left anterior descending (LAD) artery. Baseline pacing thresholds were obtained. Pacing was begun at twice diastolic threshold and ischemia was produced by balloon inflation. Repeat capture thresholds were obtained after 1 and 8 minutes of ischemia. Transcoronary pacing was successfully performed in all seven animals and was continued for a mean of 13.8 1.5 minutes. The baseline capture threshold was 4.0 0.5 mA. The mean capture threshold was 3.3 0.3 mA and 4.5 0.9 mA at 1 and 8 minutes of ischemia, respectively. We conclude that transcoronary pacing using the angioplasty guidewire can be successfully performed during myocardial ischemia and may serve as a reliable backup system during interventional procedures complicated by bradyarrhythmias. © 1993 Wiiey‐Liss, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0098-6569
eISSN: 1097-0304
DOI: 10.1002/ccd.1810300217
Titel-ID: cdi_crossref_primary_10_1002_ccd_1810300217
Format
–
Schlagworte
Angioplasty, Balloon, Coronary - adverse effects
,
Animals
,
Biological and medical sciences
,
Bradycardia - etiology
,
Bradycardia - physiopathology
,
Bradycardia - therapy
,
Cardiac Pacing, Artificial - methods
,
coronary pacing
,
Diseases of the cardiovascular system
,
Electrocardiography
,
Medical sciences
,
Myocardial Ischemia - etiology
,
Myocardial Ischemia - physiopathology
,
PTCA
,
PTCA, severe bradyarrhythmias
,
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
,
severe bradyarrhythmias
,
Swine
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