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Sökning: WFRF:(Poci Dritan 1969) > Plateau waveform sh...

  • Boriani, Giuseppe (författare)

Plateau waveform shape allows a much higher patient shock energy tolerance in AF patients.

  • Artikel/kapitelEngelska2007

Förlag, utgivningsår, omfång ...

  • Wiley,2007

Nummerbeteckningar

  • LIBRIS-ID:oai:gup.ub.gu.se/106813
  • https://gup.ub.gu.se/publication/106813URI
  • https://doi.org/10.1111/j.1540-8167.2007.00846.xDOI

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:vet swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • OBJECTIVES: To evaluate the possible pain reduction of the plateau waveform in atrial fibrillation (AF) patients. BACKGROUND: Previous studies have indicated that reduced amplitude waveforms would be less painful than a conventional (65/65% tilt) biphasic waveform. Computer modeling suggested that a moderately long (10-12 msec) plateau (flat topped) shock waveform would deliver equivalent effectiveness with the lowest possible peak amplitude. METHODS: We enrolled 27 patients at two sites with persistent AF with a total of 220 shocks delivered during internal atrial cardioversion using an interleaved crossover design. Patient response was scored in three ways: (1) a verbally reported discomfort score, (2) visual analog scale (VAS), and (3) a blinded observer reporting a contraction score. RESULTS: All scores were significantly reduced (P < 0.0001) by the plateau waveform with impressive statistics: Verbal discomfort (3.51 +/- 0.13 to 2.89 +/- 0.12), VAS (7.00 +/- 0.56 to 5.91 +/- 0.36), and contraction scores (1.94 +/- 0.12 to 1.62 +/- 0.12). The average pain threshold shift (TS) for the Verbal score was 2.34, while that for the VAS score was 2.30. (This means that the patient typically could tolerate 2.34 times as much energy with the plateau waveform for the same level of verbally reported discomfort.) The contraction TS was less at 1.57. Response scores were also corrected for the shock sequence number to control for the sensitization effect from multiple shocks. This increased the TS for the Verbal score to 3.58, but the shock number was not significant for the VAS. A pulmonary artery electrode return was associated with lower pain compared with a coronary sinus position. CONCLUSION: A plateau shaped biphasic waveform resulted in significantly increased shock energy pain tolerances. Controlling for session sensitization, patients tolerated over three times as much energy for the same verbally reported discomfort score.

Ämnesord och genrebeteckningar

  • Aged
  • Atrial Fibrillation
  • physiopathology
  • therapy
  • Cross-Over Studies
  • Electric Countershock
  • methods
  • Female
  • Humans
  • Male
  • Middle Aged
  • Pain Measurement
  • methods
  • Predictive Value of Tests

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

  • Edvardsson, Nils,1942Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xedvni (författare)
  • Biffi, Mauro (författare)
  • Silvestri, Paolo (författare)
  • Martignani, Cristian (författare)
  • Valzania, Cinzia (författare)
  • Diemberger, Igor (författare)
  • Moulder, J Christopher (författare)
  • Mouchawar, Gabriel (författare)
  • Poci, Dritan,1969Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xpocdr (författare)
  • Branzi, Angelo (författare)
  • Kroll, Mark W (författare)
  • Göteborgs universitetInstitutionen för medicin (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of cardiovascular electrophysiology: Wiley18:7, s. 728-341540-81671045-3873

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