Is high pressure inflation necessary for optimal stenting?

Elezi, S.; Kastrati, Albulenë; Pache, J.; Dirschinger, J.; Schörnig, A.

doi:10.1016/s0735-1097(98)80721-3

Journal of the American College of Cardiology

1998

DOI: 10.1016/s0735-1097(98)80721-3

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Is high pressure inflation necessary for optimal stenting?

S. Elezi¹,

Albulenë Kastrati²,

J. Pache³

et al.

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Optimal Balloon Inflation Pressures for Stent Deployment: High Pressure is Always Good?

Lee

Kim

et al. 1998

Korean Circ J

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Background and ObjectivesTo reduce the subacute stent thrombosis, the use of high pressure final balloon dilatations and confirmation of adequate stent expansion by intravascular ultrasound has been recommended. The purpose of this study is to compare incidence of stent thrombosis and major cardiac events MACE between high and moderate pressure balloon technique without using intravascular ultrasound IVUS guidance. Materials and Methods We prospectively studied 147 patients 110 males & 37 females, mean 56.9 9.9 years, 154 lesions who were deployed intracoronary stents with the use of conventional technique except IVUS guidance. According to inflation pressure, patients were divided into two groups G1 moderate pressure group, maximum inflation balloon pressure 14ATM, 77 lesion & G2 high pressure group, maximum inflation balloon pressure 14ATM, 77 lesions . We investigated the incidence of stent thrombosis and MACE between two groups during the 10 month follow up examination. Results 1 The mean inflation presure is different between two groups by definition

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Optimal Balloon Inflation Pressures for Stent Deployment: High Pressure is Always Good?

Lee

Kim

et al. 1998

Korean Circ J

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Follow-up Angiographic Results after MultiLink Coronary Stent Implantation

Chung¹,

Seung²,

Kim³

et al. 1999

Korean Circ J

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Background and Objectives The objective of this study was to assess the in-hospital clinical outcome and 6 months follow-up angiographic results after flexible balloon expandable MultiLink coronary stenting. The impact of post-stenting excessive high pressure balloon dilation on late outcome is controversial. The other purpose was to investigate the impact of post-stenting high pressure balloon dilation HPD group 14 atm on clinical and angiographic outcome in comparison to moderate pressure dilation MPD group 14 atm. Materials and Method The MultiLink stents were implanted in 124 patients mean age 58 9, M/F 94/30 with 128 lesions. Post-stenting high pressure balloon dilation was performed to have less than 10% of residual stenosis and smooth instent lumen without IVUS guidance. Results The indications for stenting were elective in 88 lesions 69% , suboptimal angioplasty results in 27 lesions 21% , and bail-out in 13 lesions 10%. The incidence of in-hospital major adverse cardiac events was 1.6% and major vascular complication rate was 3.2%. The followup angiography was performed in 86 patients 69% at 7.9 2.6 months. The angiographic restenosis rate was 22.7%. The acute gain of HPD group had a tendency to be higher than MPD group HPD MPD 2.33 0.51 mm 2.22 0.44 mm, p 0.08 and the late loss of MPD group had a tendency to be lower than HPD group MPD HPD 0.86 0.73 mm 0.95 0.84 mm, p 0.09. And the net gain and restenosis rate of both groups were similar respectively HPD MPD 1.38 0.94 mm 1.36 0.83 mm, p ns, HPD MPD 22.5% 22. 9%, p ns. Conclusion The MultiLink coronary stent system is a safe and effective device with high procedural success rate and also has the acceptable angiographic restenosis rate for the treatment of coronary artery disease. The post-stenting excessive high pressure balloon dilation might not be necessary during the deployment of MultiLink stent.

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Is high pressure inflation necessary for optimal stenting?

Cited by 2 publications

References 0 publications

Optimal Balloon Inflation Pressures for Stent Deployment: High Pressure is Always Good?

Optimal Balloon Inflation Pressures for Stent Deployment: High Pressure is Always Good?

Follow-up Angiographic Results after MultiLink Coronary Stent Implantation

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