The NRG RF powered transseptal needle may serve as a useful alternative for transseptal puncture in cases where the standard mechanical approach is not feasible due to a thick and aneurysmatic fossa ovalis.
May be considered in refractory cases; leaves open need for prospective validation before wider adoption.
Transseptal puncture (TSP) is a frequently performed procedure for gaining access to the left atrium for catheter ablation, hemodynamic assessment of the left heart, left ventricular assist device implantation, percutaneous left atrial appendage closure or mitral valvuloplasty during childhood and adulthood. The standard technique for transseptal puncture applies mechanical pressure on the fossa ovalis with a Brockenbrough needle. However, this method is not feasible when the fossa ovalis is thick and aneurysmatic. In such patients, the radiofrequency ablation energy systems can be offered as a better alternative for TSP. Here, we aimed to demonstrate the outcome of transseptal puncture performed with an NRG™ RF powered transseptal needle in three patients.
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Karagöz et al. (2014) studied this question.
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