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SCANCAP Scandinavian Automatic Capture Study

2014-07-23 21:48:25 | BioPortfolio

Summary

The primary objective of this study is to document the success rate of the automatic threshold testat pre-discharge in a normal pacemaker patient population implanted with Guidant Insignia Ultra or AVT .

Description

Currently the optimal programming of the pacemaker output considers both pacemaker efficiency (prolonging battery longevity) and patient safety (adequate safety margin). A decrease in the programmed output can be used to increase the projected battery life or to eliminate diaphragmatic or pectoral muscle stimulation. An increase in programmed output may be required to account for increasing thresholds after lead implantation. The ability of an implanted pacemaker to automatically adjust the ventricular output above the pacing threshold while maintaining the appropriate safety margin has been explored since the early 1970s. The Automatic capture feature in the INSIGNIA I Ultra/AVT pacemaker automatically adapts the ventricular pacing output to ensure capture of the ventricle while optimizing the output voltage. The primary objective of this study is to document the success rate of the automatic threshold test in a normal pacemaker patient population by following normal pacemaker follow-up results for 1 year.

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Conditions

Bradycardia

Intervention

Automatic threshold test in Insignia Pacemakers from Guidant

Location

Medicinsk Afdeling, Sygehus Viborg
Viborg
Denmark

Status

Completed

Source

Guidant Corporation

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:48:25-0400

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Medical and Biotech [MESH] Definitions

Abnormally rapid heartbeats originating from one or more automatic foci (nonsinus pacemakers) in the HEART ATRIUM but away from the SINOATRIAL NODE. Unlike the reentry mechanism, automatic tachycardia speeds up and slows down gradually. The episode is characterized by a HEART RATE between 135 to less than 200 beats per minute and lasting 30 seconds or longer.

A test to determine the lowest sound intensity level at which fifty percent or more of the spondaic test words (words of two syllables having equal stress) are repeated correctly.

The smallest difference which can be discriminated between two stimuli or one which is barely above the threshold.

Data processing largely performed by automatic means.

Figures or symbols identifying or representing organizations or societies.

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