Christopher J. Petit, MD, Emory University School of Medicine, Children's Healthcare of Atlanta, Division of Cardiology, 1405 Clifton Road NE, Atlanta, GA 30322.

Email: [email protected]

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Yinn Khurn Ooi MD,

Yinn Khurn Ooi MD

orcid.org/0000-0003-1636-9155

Division of Cardiology, Children's Healthcare of Atlanta, Atlanta, Georgia

Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia

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Sung In H. Kim MD, MPH,

Sung In H. Kim MD, MPH

Emory University Rollins School of Public Health, Atlanta, Georgia

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Scott E. Gillespie MS,

Scott E. Gillespie MS

Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia

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Dennis W. Kim MD, PHD,

Dennis W. Kim MD, PHD

Division of Cardiology, Children's Healthcare of Atlanta, Atlanta, Georgia

Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia

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Robert N. Vincent MD,

Robert N. Vincent MD

Division of Cardiology, Children's Healthcare of Atlanta, Atlanta, Georgia

Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia

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Christopher J. Petit MD,

Corresponding Author

Christopher J. Petit MD

[email protected]

orcid.org/0000-0002-9939-3048

Division of Cardiology, Children's Healthcare of Atlanta, Atlanta, Georgia

Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia

Correspondence

Christopher J. Petit, MD, Emory University School of Medicine, Children's Healthcare of Atlanta, Division of Cardiology, 1405 Clifton Road NE, Atlanta, GA 30322.

Email: [email protected]

Search for more papers by this author

First published: 09 September 2018

https://doi.org/10.1002/ccd.27800

Citations: 15

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Abstract

Objective

Define outcomes of premounted stent implantation (PMS) for branch pulmonary artery stenosis (BPAS).

Background

PMS for BPAS in children raises concern of long term viability, with limited maximal expansion.

Methods

We reviewed our cardiac database over an 11-year period ending in 2013. Primary endpoint was need for surgical stent intervention (SSI). Other endpoints included acute results and repeat interventions (RI).

Results

82 PMS were implanted in 60 children for BPAS. Median weight was 6.3 (25^th-75^th 4.6–9.8) kg. Median stent diameter was 6 (range 4–9) mm. Acutely, vessel diameter improved from 2.0 (25^th-75^th 1.6–3.4) to 5.0 (25^th-75^th 4.2–5.9) mm (p < 0.001), pressure gradient decreased from 41 (25^th-75^th 29–50) to 11 (25^th-75^th 7–18) mmHg (n = 47, p < 0.001), RV:Ao pressure ratio decreased from 100% (25^th-75^th 85–110%) to 59% (25^th-75^th 49–74%) (n = 40, p < 0.001). Freedom from SSI was 81% at 1 year and 35% at 5 years. Freedom from RI was 50% at 1 year and 14% at 5 years. 86% of PMS underwent SSI during a concomitant planned cardiac surgery. 45% patients had stent redilation, improving stent diameter from 4.6 (25^th-75^th 4.1–5.4) to 5.7 (25^th-75^th 4.9–7) mm (p < 0.001). 1 stent (3%) was able to be fractured longitudinally.

Conclusions

PMS is an effective short term solution for BPAS in children. PMS is associated with expected early need for transcatheter reintervention to accommodate for growth, but also has high rates of SSI.

CONFLICT OF INTEREST

None

REFERENCES

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Citing Literature

Volume92, Issue7

December 1, 2018

Pages 1315-1322

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Premounted stents for branch pulmonary artery stenosis in children: A short term solution

Abstract

Objective

Background

Methods

Results

Conclusions

CONFLICT OF INTEREST

REFERENCES

Citing Literature

References

Information

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Premounted stents for branch pulmonary artery stenosis in children: A short term solution

Abstract

Objective

Background

Methods

Results

Conclusions

CONFLICT OF INTEREST

REFERENCES

Citing Literature

References

Related

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