An armrest is effective for reducing hand tremble in neurosurgeons

Neurologia Medico-chirurgica
Yosuke HaraKazuhiro Hongo

Abstract

Experienced neurosurgeons reduce hand tremble by placing their hand beside the operative field when performing microneurosurgery conventionally. Another solution to reduce hand tremble is an armrest. However, the reduction of hand tremble by using an armrest or finger-placing technique has not been rigorously measured in microneurosurgery. This study was performed to provide a quantitative assessment of the efficacy of an armrest to reduce hand tremble in comparison with the finger-placing technique. Hand tremble was evaluated in 11 board-certified neurosurgeons in a simulated microneurosurgery. The loci of surgical forceps handled by neurosurgeons were measured by a three-dimensional optical coordinate measuring machine. A static task was performed under four conditions: with/without the finger-placing technique and/or an armrest. The radius of an imaginative sphere including 95% of each locus was calculated and reviewed according to the four conditions. Hand tremble was significantly larger when the finger-placing technique was not implemented compared to when the technique was used (P<0.05). The armrest also reduced hand tremble (P<0.05) similar to the finger-placing technique. Non-inferiority was retained between the finger...Continue Reading

References

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Citations

Apr 15, 2020·Human Factors·Yifan LiRobert G Radwin
Jul 1, 2020·Surgical Innovation·Hideki OkudaYoshihiro Muragaki
Jul 10, 2020·Asian Journal of Endoscopic Surgery·Hiroshi KawahiraAlan K Lefor
Sep 28, 2021·Handchirurgie, Mikrochirurgie, plastische Chirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft für Handchirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft für Mikrochirurgie der Peripheren Nerven und Gefässe : Organ der Vereinigung der Deut·Andrzej ZylukUrszula Abramczyk
Oct 24, 2021·World Neurosurgery·Visish M SrinivasanMichael T Lawton

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