Catheterization and Cardiovascular Interventions

Volume 84, Issue 3 pp. 397-405

Coronary Artery Disease

In vivo evaluation of axial integrity of coronary stents using intravascular ultrasound: Insights on longitudinal stent deformation

Danny Dvir MD,

Danny Dvir MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Hironori Kitabata MD,

Hironori Kitabata MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Israel M. Barbash MD,

Israel M. Barbash MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Sa'ar Minha MD,

Sa'ar Minha MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Salem Badr MD,

Salem Badr MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Joshua P. Loh MBBS,

Joshua P. Loh MBBS

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Fang Chen PhD,

Fang Chen PhD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Rebecca Torguson MPH,

Rebecca Torguson MPH

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

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Ron Waksman MD,

Corresponding Author

Ron Waksman MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Correspondence to: Ron Waksman, MedStar Washington Hospital Center, Washington, DC 20010. E-mail: [email protected]Search for more papers by this author

Danny Dvir MD,

Danny Dvir MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Hironori Kitabata MD,

Hironori Kitabata MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Israel M. Barbash MD,

Israel M. Barbash MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Sa'ar Minha MD,

Sa'ar Minha MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Salem Badr MD,

Salem Badr MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Joshua P. Loh MBBS,

Joshua P. Loh MBBS

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Fang Chen PhD,

Fang Chen PhD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Rebecca Torguson MPH,

Rebecca Torguson MPH

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Search for more papers by this author

Ron Waksman MD,

Corresponding Author

Ron Waksman MD

Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia

Correspondence to: Ron Waksman, MedStar Washington Hospital Center, Washington, DC 20010. E-mail: [email protected]Search for more papers by this author

First published: 13 November 2013

https://doi.org/10.1002/ccd.25292

Citations: 10

Conflict of interest: Nothing to report.

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Abstract

Objective

To evaluate the axial integrity of different coronary stents using intravascular ultrasound (IVUS).

Background

Longitudinal stent deformation was recently reported.

Methods

Consecutive patients who underwent IVUS analysis after drug-eluting stent (DES) implantation for de novo coronary lesions were evaluated. Stent length was compared with label length for calculation of absolute change and relative difference (absolute change divided by label length).

Results

A total of 233 DES utilizing five different platforms were included. The median absolute change in stent length was 0.90 mm (interquartile range [IQR] 0.48–1.39) and the relative difference was 5.24% (IQR 2.55–8.29). There was no significant difference among the groups in median absolute or relative change: Cypher 0.89 mm/3.89%, Taxus 0.88 mm/5.39%, Endeavor 1.16 mm/6.77%, Xience V 0.86 mm/5.80%, and PROMUS Element 0.79 mm/5.34% (P = 0.085, P = 0.072, respectively). Multivariate logistic regression revealed that the Cypher stent was independently correlated with a lower change in length, whereas stent label length and deployment pressure were correlated with higher absolute change.

Conclusion

The axial integrity of DES platforms examined in vivo was high, with only mild changes in stent length after implantation. While there are differences between first- and second-generation DES, axial integrity among second-generation DES was similar. © 2013 Wiley Periodicals, Inc.

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Volume84, Issue3

01 September 2014

Pages 397-405

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In vivo evaluation of axial integrity of coronary stents using intravascular ultrasound: Insights on longitudinal stent deformation

Abstract

Objective

Background

Methods

Results

Conclusion

REFERENCES

Citing Literature

References

Information

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In vivo evaluation of axial integrity of coronary stents using intravascular ultrasound: Insights on longitudinal stent deformation

Abstract

Objective

Background

Methods

Results

Conclusion

REFERENCES

Citing Literature

References

Related

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