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Background <p>Various different technologies have been developed to optimise the mechanical thrombectomy procedure and first pass recanalisation. We report our initial experience with the NeVa NET – a novel stent-retriever with built in distal microfiltration net.</p> Materials and methods <p>We performed a retrospective review of our prospectively maintained databases to identify all patients treated with the NeVa NET 4 × 30&#xa0;mm device. We recorded the baseline demographics, NIHSS, ASPECT score and clot characteristics, first pass and final eTICI scores, complications and 90&#xa0;day mRS.</p> Results <p>We identified 20 patients (50% male), average age 67.9 ± 16.2 yrs, and median NIHSS 18 (range 6–29). 30% of patients received tPA. Average clot length was 21.6 ± 8.9&#xa0;mm and median ASPECT score 9 (range 5–10). In 18 cases the NeVa NET could be tracked into position, however, in 2 cases it could not be tracked into position within the 0,021inch microcatheter.</p> <p>First pass recanalization (eTICI ≥ 2c) was seen in 94% (n = 17) and the average number of NeVa NET passes was 1. A final eTICI score of ≥ 2c was achieved in 17 patients (94%). There were no emboli to new territories. No cases of vessel rupture or dissections occured due to the NeVa NET. 50% of patients achieved mRS 0–2. SAH was seen in 31.3% and SICH in 6.3% of the 16 patients for whom a 24&#xa0;h CT head was available.</p> Conclusion <p>The NeVa Net stent-retriever is uniquely designed to prevent distal embolisation and our initial experience demonstrates a very high FPE and mFPE. We believe this is the first publication on the use of this novel technology and larger studies are warranted.</p>

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The NeVa Net stent-retriever – initial report of 20 cases from two high volume centres

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月15日

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  • Pervinder Bhogal,
  • Marco Mancuso-Marcello,
  • Rory Fairhead,
  • Nadia Shah,
  • Keng Siang Lee,
  • Christos Nikola,
  • Katherine Parkin,
  • Giovanna Klefti,
  • Levansri Makalanda,
  • Ken Wong,
  • Joe Lansley,
  • Michael Przyszlak,
  • Oliver Spooner,
  • Branimir Čulo,
  • Vladimir Kalousek

摘要

Background

Various different technologies have been developed to optimise the mechanical thrombectomy procedure and first pass recanalisation. We report our initial experience with the NeVa NET – a novel stent-retriever with built in distal microfiltration net.

Materials and methods

We performed a retrospective review of our prospectively maintained databases to identify all patients treated with the NeVa NET 4 × 30 mm device. We recorded the baseline demographics, NIHSS, ASPECT score and clot characteristics, first pass and final eTICI scores, complications and 90 day mRS.

Results

We identified 20 patients (50% male), average age 67.9 ± 16.2 yrs, and median NIHSS 18 (range 6–29). 30% of patients received tPA. Average clot length was 21.6 ± 8.9 mm and median ASPECT score 9 (range 5–10). In 18 cases the NeVa NET could be tracked into position, however, in 2 cases it could not be tracked into position within the 0,021inch microcatheter.

First pass recanalization (eTICI ≥ 2c) was seen in 94% (n = 17) and the average number of NeVa NET passes was 1. A final eTICI score of ≥ 2c was achieved in 17 patients (94%). There were no emboli to new territories. No cases of vessel rupture or dissections occured due to the NeVa NET. 50% of patients achieved mRS 0–2. SAH was seen in 31.3% and SICH in 6.3% of the 16 patients for whom a 24 h CT head was available.

Conclusion

The NeVa Net stent-retriever is uniquely designed to prevent distal embolisation and our initial experience demonstrates a very high FPE and mFPE. We believe this is the first publication on the use of this novel technology and larger studies are warranted.