Impact of fusion avoidance on performance of the automatic threshold tracking feature in dual chamber pacemakers: A multicenter prospective randomized study

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Candinas, R (författare)

Impact of fusion avoidance on performance of the automatic threshold tracking feature in dual chamber pacemakers: A multicenter prospective randomized study

Artikel/kapitelEngelska2002

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Wiley,2002

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LIBRIS-ID:oai:lup.lub.lu.se:f920eb11-9f74-4d18-be32-8d6b2d40d633
https://lup.lub.lu.se/record/322166URI
https://doi.org/10.1046/j.1460-9592.2002.01540.xDOI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:art swepub-publicationtype
Ämneskategori:ref swepub-contenttype

Anmärkningar

The Autocapture algorithm enables automatic capture verification on a beat-by-beat basis by recognizing the evoked response signal following each pacemaker stimulus. The algorithm intends to increase patient safety while decreasing energy consumption. However, the occurrence of fusion beats, particularly during dual chamber pacing, may limit the energy saving effect of Autocapture. The aim of this multicenter, prospective, randomized study was to evaluate the impact of the Fusion Avoidance (FA) algorithm on the incidence of fusion beats. Thirty-eight patients (mean age 69 +/- 13 years) with intrinsic AV conduction who were implanted with an Affinity DR were studied. After programming a PV/AV delay of 120/190 ms, patients were randomized to FA On or Off. Each group was further randomized with respect to activation of the AutoIntrinsic Conduction Search (AICS) algorithm. The total number of beats, ventricular paced beats, fusion beats, backup pulses, and threshold searches were analyzed from 24-hour Holter recordings. The number of total beats was comparable in both FA groups. The number of total ventricular paced beats, fusion beats, backup pulses, and threshold searches were significantly reduced in the FA On group (% reduction: 68% P < 0.001, 75% P < 0.01, 95% P < 0.01, and 94% P < 0.05, respectively). The number of ventricular paced beats with full capture was significantly reduced when AICS was activated (P < 0.05). In conclusion, the FA algorithm substantially reduces the amount of ventricular paced beats, fusion beats, unnecessary backup pulses and threshold searches, and therefore, provides added benefits in energy saving obtained by Autocapture.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Kardiologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Cardiac and Cardiovascular Systems hsv//eng
dual chamber pacing
energy consumption
autocapture
fusion

Biuppslag (personer, institutioner, konferenser, titlar ...)

Liu, B (författare)
Leal, J (författare)
Sperzel, J (författare)
Frohlig, G (författare)
Scharf, C (författare)
Duru, F (författare)
Schüller, HansLund University,Lunds universitet,Thoraxkirurgi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Thoracic Surgery,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)thor-hsc (författare)
ThoraxkirurgiSektion II (creator_code:org_t)

Sammanhörande titlar

Ingår i:PACE: Wiley25:11, s. 1540-15451540-8159
Ingår i:Pacing and Clinical Electrophysiology: Wiley25:11, s. 1540-15450147-8389

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Av författaren/redakt...: Candinas, R; Liu, B; Leal, J; Sperzel, J; Frohlig, G; Scharf, C; visa fler...; Duru, F; Schüller, Hans; visa färre...

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Kardiologi

Artiklar i publikationen: PACE; Pacing and Clini ...

Av lärosätet: Lunds universitet

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