Stent Implantation and Subsequent Dilatation for Pulmonary Vein Stenosis in Pediatric Patients. Maximizing Effectiveness.

Tomita, Hideshi; Watanabe, Ken; Yazaki, Satoshi; Kimura, Kohji; Ono, Yasuo; Yagihara, Toshikatsu; Echigo, Shigeyuki

doi:10.1253/circj.67.187

Cited by 46 publications

(30 citation statements)

References 22 publications

(21 reference statements)

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“…However, we believe the data will promote understanding of the current situation of stenting for stenosis of great vessels associated with CHDs in Japan. Although stenting for pulmonary vein stenosis had been reported, 26 it was excluded from this survey because the effectiveness of this procedure remains to be established.…”

Section: Discussionmentioning

confidence: 99%

Stenting in Congenital Heart Disease

Tomita

Nakanishi

Hamaoka

et al. 2010

Circ J

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Section: Discussionmentioning

confidence: 99%

Stenting in Congenital Heart Disease

Tomita

Nakanishi

Hamaoka

et al. 2010

Circ J

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“…Stents initially seemed very appealing for treatment of pulmonary vein stenosis, but restenosis has been nearly universal. 33,34 Implantation of a stent before surgery may limit the options for a surgical approach. Implantation of stents in stenotic pulmonary veins in children can be very technically challenging.…”

Section: Treatment and Prognosis Of Pediatric Pulmonary Vein Stenosismentioning

confidence: 99%

“…35 Repeated dilations of stents to relatively large diameters (Ͼ8 mm) have resulted in some improvement in outcomes. 33 The role of novel therapies such as sonotherapy remains unknown. 36 …”

Section: Treatment and Prognosis Of Pediatric Pulmonary Vein Stenosismentioning

confidence: 99%

Congenital and Acquired Pulmonary Vein Stenosis

2007

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“…Gordon et al 9 recently reported placement of polytetrafluoroethylene (ePTFE)-covered stents for the treatment of PVS in 3 patients with patency at least 3 months after implantation. Tomita et al 10 demonstrated patency in 2 stents dilated to 8.4 mm and 5.6 mm, respectively.…”

mentioning

confidence: 97%

Outcomes After Stent Implantation for the Treatment of Congenital and Postoperative Pulmonary Vein Stenosis in Children

Balasubramanian

Marshall

Gauvreau

et al. 2012

Circ: Cardiovascular Interventions

105

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Background-Pulmonary vein stenosis (PVS) is a rare condition that can lead to worsening pulmonary hypertension and cardiac failure in children, and it is frequently lethal. Surgical and transcatheter approaches are acutely successful but restenosis is common and rapid. Methods and Results-We reviewed outcomes among patients who underwent transcatheter pulmonary vein stent implantation for congenital or postoperative PVS at Ͻ18 years of age. A total of 74 pulmonary veins were stented with bare metal, drug-eluting, or covered stents in 47 patients. Primary diagnoses included PVS associated with anomalous venous return in 51%, PVS associated with other congenital cardiovascular defects in 36%, and congenital ("de novo") PVS in 13% of patients. Median age at the time of pulmonary vein stent implantation was 1.4 years. During a median cross-sectional follow-up of 3.1 years, 21 patients died. Estimated survival was 62Ϯ8% at 1 year and 50Ϯ8% at 5 years after pulmonary vein stent implantation. Stent placement acutely relieved focal obstruction in all veins. Of the 54 stents reexamined with catheterization, 32 underwent reintervention. Freedom from reintervention was 62Ϯ7% at 6 months and 42Ϯ7% at 1 year. Stent occlusion was documented in 9 cases and significant in-stent stenosis in 17 cases. Stent implantation diameter Ն7 mm was associated with longer freedom from reintervention (hazard ratio, 0.32; Pϭ0.015) and from significant in-stent stenosis (hazard ratio, 0.14; Pϭ0.002). Major acute complications occurred in 5 cases. Conclusions-Transcatheter stent implantation can acutely relieve PVS in children, but reintervention is common. Larger stent lumen size at implantation is associated with longer stent patency and a lower risk of reintervention. (Circ Cardiovasc Interv. 2012;5:109-117.)

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Stent Implantation and Subsequent Dilatation for Pulmonary Vein Stenosis in Pediatric Patients. Maximizing Effectiveness.

Cited by 46 publications

References 22 publications

Stenting in Congenital Heart Disease

Stenting in Congenital Heart Disease

Congenital and Acquired Pulmonary Vein Stenosis

Outcomes After Stent Implantation for the Treatment of Congenital and Postoperative Pulmonary Vein Stenosis in Children

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