Why the study?
Does stent implantation improve vessel diameter and pressure gradients in patients with post-Mustard systemic venous obstruction?
Does stent implantation improve vessel diameter and pressure gradients in patients with post-Mustard systemic venous obstruction?
Stent implantation is an effective treatment for systemic venous obstruction following the Mustard operation, significantly improving vessel diameter and pressure gradients without signs of recurrence at 2 years.
May warrant consideration in post-Mustard obstruction; leaves open need for prospective validation before broader adoption.
In this paper, we report on the use of stents in the treatment of late-onset post-Mustard systemic venous obstruction in three patients with clinical signs of obstructive caval syndrome. After unsuccessful balloon dilation, Palmaz-Schatz stents were implanted at the veno-atrial junction. Further dilation has been achieved using high-pressure balloons. Vessel diameter increased from 4.4+/-1.8 to 13+/-1.7 mm (P < 0.05) and the trans-stenotic pressure gradient dropped from 8+/-6 to 0 mmHg (P < 0.01), with clinical improvement. After 26+/-4 months of non-invasive follow-up, no signs of recurrent stenosis were observed. Stent implantation is effective in the treatment of systemic venous obstruction after Mustard operation.
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Santoro et al. (1998) studied this question.
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