Direct left atrial pressure monitoring in ambulatory heart failure patients: initial experience with a new permanent implantable device
作者： Jay Ritzema , Iain C Melton , A Mark Richards , Ian G Crozier , Chris Frampton
DOI: 10.1161/CIRCULATIONAHA.107.702191
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摘要: Background— We describe the first human experience with a permanently implantable, direct left atrial pressure (LAP) monitoring system in ambulatory patients chronic heart failure. Methods and Results— Eight established failure at least 1 hospitalization or unplanned visit for parenteral therapy last year underwent device implantation under fluoroscopic guidance. All subjects received aspirin 150 mg clopidogrel 75 daily. Subjects measured LAP twice daily attended clinic regularly data upload calibration. Right catheterization was performed time of 12 weeks. The implanted all no procedural complications. At 12-week follow-up, 87% measurements were within ±5 mm Hg simultaneous pulmonary capillary wedge readings over wide range pressures (1.6 to 71 Hg). Net drift corrected by calibration −0.2±1.9 Hg/mo. During short-term...
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