The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing

Young Joon Hong, Bo Ra Yang, Doo Seon Sim, Sang Yeob Lim, Sang Hyun Lee, Ji Hyun Lim, Han Gyun Kim, Ok Young Park, Ju Han Kim, Weon Kim, Nam Ho Kim, Young Keun Ahn, Myung Ho Jeong, Jeong Gwan Cho, Jong Chun Park, Jung Chaee Kang

Research output: Contribution to journalArticle

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Abstract

Background: Has been reported that patients exhibiting prolonged paced QRS duration tend to have more serious heart disease, and the paced QRS duration can be an effective indicator of impaired left ventricular function. However, the acute and chronic hemodynamic effects of paced QRS duration and pacing sites during right ventricular (RV) pacing remain unknown. Methods: A total of 14 patients who underwent electrophysiologic study for paroxysmal supraventricular tachycardia were examined. RV pacing was performed at 10 different sites with cycle lengths of 600 ms and 500 ms utilizing a 6-7F deflectable quadripolar electrode catheter. Systolic, diastolic, and mean blood pressures during pacing were measured once the blood pressure was stabilized. Results: During RV pacing, blood pressures (systolic/diastolic/mean) decreased. The change of post-pacing QRS duration and pre-pacing the systolic blood pressure (SBP) were greater in the group with paced QRS duration. The differences overall were greater than 140 ms. The SBP decrease during pacing was larger in the group exhibiting paced QRS duration of greater than 140 ms. The SBP decrease during pacing showed relation to QRS duration during pacing (r=0.500, p=0.001), the change of QRS duration post-pacing (r=0.426, p=0.001), and SBP during sinus rhythm (r=0.342, p=0.001) on linear correlation analysis. The pacing site, on the other hand, did not affect acute hemodynamic changes during pacing. Conclusion: Ventricular pacing of less than 40 ms at the area of paced QRS duration is recommended.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalKorean Journal of Internal Medicine
Volume20
Issue number1
Publication statusPublished - 2005 Mar 1
Externally publishedYes

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Hemodynamics
Blood Pressure
Paroxysmal Tachycardia
Supraventricular Tachycardia
Left Ventricular Function
Heart Diseases
Electrodes
Catheters

Keywords

  • Hemodynamics
  • Pacing
  • QRS duration

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Hong, Y. J., Yang, B. R., Sim, D. S., Lim, S. Y., Lee, S. H., Lim, J. H., ... Kang, J. C. (2005). The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing. Korean Journal of Internal Medicine, 20(1), 15-20.

The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing. / Hong, Young Joon; Yang, Bo Ra; Sim, Doo Seon; Lim, Sang Yeob; Lee, Sang Hyun; Lim, Ji Hyun; Kim, Han Gyun; Park, Ok Young; Kim, Ju Han; Kim, Weon; Kim, Nam Ho; Ahn, Young Keun; Jeong, Myung Ho; Cho, Jeong Gwan; Park, Jong Chun; Kang, Jung Chaee.

In: Korean Journal of Internal Medicine, Vol. 20, No. 1, 01.03.2005, p. 15-20.

Research output: Contribution to journalArticle

Hong, YJ, Yang, BR, Sim, DS, Lim, SY, Lee, SH, Lim, JH, Kim, HG, Park, OY, Kim, JH, Kim, W, Kim, NH, Ahn, YK, Jeong, MH, Cho, JG, Park, JC & Kang, JC 2005, 'The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing', Korean Journal of Internal Medicine, vol. 20, no. 1, pp. 15-20.
Hong, Young Joon ; Yang, Bo Ra ; Sim, Doo Seon ; Lim, Sang Yeob ; Lee, Sang Hyun ; Lim, Ji Hyun ; Kim, Han Gyun ; Park, Ok Young ; Kim, Ju Han ; Kim, Weon ; Kim, Nam Ho ; Ahn, Young Keun ; Jeong, Myung Ho ; Cho, Jeong Gwan ; Park, Jong Chun ; Kang, Jung Chaee. / The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing. In: Korean Journal of Internal Medicine. 2005 ; Vol. 20, No. 1. pp. 15-20.
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T1 - The effects of QRS duration and pacing sites on the acute hemodynamic changes during right ventricular pacing

AU - Hong, Young Joon

AU - Yang, Bo Ra

AU - Sim, Doo Seon

AU - Lim, Sang Yeob

AU - Lee, Sang Hyun

AU - Lim, Ji Hyun

AU - Kim, Han Gyun

AU - Park, Ok Young

AU - Kim, Ju Han

AU - Kim, Weon

AU - Kim, Nam Ho

AU - Ahn, Young Keun

AU - Jeong, Myung Ho

AU - Cho, Jeong Gwan

AU - Park, Jong Chun

AU - Kang, Jung Chaee

PY - 2005/3/1

Y1 - 2005/3/1

N2 - Background: Has been reported that patients exhibiting prolonged paced QRS duration tend to have more serious heart disease, and the paced QRS duration can be an effective indicator of impaired left ventricular function. However, the acute and chronic hemodynamic effects of paced QRS duration and pacing sites during right ventricular (RV) pacing remain unknown. Methods: A total of 14 patients who underwent electrophysiologic study for paroxysmal supraventricular tachycardia were examined. RV pacing was performed at 10 different sites with cycle lengths of 600 ms and 500 ms utilizing a 6-7F deflectable quadripolar electrode catheter. Systolic, diastolic, and mean blood pressures during pacing were measured once the blood pressure was stabilized. Results: During RV pacing, blood pressures (systolic/diastolic/mean) decreased. The change of post-pacing QRS duration and pre-pacing the systolic blood pressure (SBP) were greater in the group with paced QRS duration. The differences overall were greater than 140 ms. The SBP decrease during pacing was larger in the group exhibiting paced QRS duration of greater than 140 ms. The SBP decrease during pacing showed relation to QRS duration during pacing (r=0.500, p=0.001), the change of QRS duration post-pacing (r=0.426, p=0.001), and SBP during sinus rhythm (r=0.342, p=0.001) on linear correlation analysis. The pacing site, on the other hand, did not affect acute hemodynamic changes during pacing. Conclusion: Ventricular pacing of less than 40 ms at the area of paced QRS duration is recommended.

AB - Background: Has been reported that patients exhibiting prolonged paced QRS duration tend to have more serious heart disease, and the paced QRS duration can be an effective indicator of impaired left ventricular function. However, the acute and chronic hemodynamic effects of paced QRS duration and pacing sites during right ventricular (RV) pacing remain unknown. Methods: A total of 14 patients who underwent electrophysiologic study for paroxysmal supraventricular tachycardia were examined. RV pacing was performed at 10 different sites with cycle lengths of 600 ms and 500 ms utilizing a 6-7F deflectable quadripolar electrode catheter. Systolic, diastolic, and mean blood pressures during pacing were measured once the blood pressure was stabilized. Results: During RV pacing, blood pressures (systolic/diastolic/mean) decreased. The change of post-pacing QRS duration and pre-pacing the systolic blood pressure (SBP) were greater in the group with paced QRS duration. The differences overall were greater than 140 ms. The SBP decrease during pacing was larger in the group exhibiting paced QRS duration of greater than 140 ms. The SBP decrease during pacing showed relation to QRS duration during pacing (r=0.500, p=0.001), the change of QRS duration post-pacing (r=0.426, p=0.001), and SBP during sinus rhythm (r=0.342, p=0.001) on linear correlation analysis. The pacing site, on the other hand, did not affect acute hemodynamic changes during pacing. Conclusion: Ventricular pacing of less than 40 ms at the area of paced QRS duration is recommended.

KW - Hemodynamics

KW - Pacing

KW - QRS duration

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