PMID: 15224880Jul 1, 2004Paper

Gait instability in patients with acoustic neuroma

Acta Oto-laryngologica
Kazuo IshikawaYoshiaki Itasaka

Abstract

To investigate pathological gait in patients with unilateral acoustic neuroma using tactile sensors placed under both feet. Forty-three patients were enrolled in the study. They were categorized into two groups: the small tumor group had tumors < 2 cm from the porus acousticus without any brainstem compression and the large tumor group had tumors > 2 cm from the porus acousticus with brainstem compression. Eighteen healthy subjects served as controls. Subjects were asked to walk freely with eyes open or closed for a distance of nearly 8 m. The coefficients of variation (CVs) of stance, swing and double support were calculated. The stability of the trajectories of the center of force and the foot pressure difference were also studied. The CVs of stance, swing and double support were significantly greater with eyes closed and, with the exception of double support, these differences were greater in the tumor groups. The instability of the trajectories of the center of force was significantly greater in the tumor group, and in the large tumor group the horizontal component of sway movement of the trajectories of the center of force of the foot on the same side as the lesion was greater than that on the intact side with eyes closed....Continue Reading

References

Jul 1, 1976·Physiological Reviews·M L Shik, G N Orlovsky
Nov 1, 1994·ORL; Journal for Oto-rhino-laryngology and Its Related Specialties·K IshikawaK Togawa
Jan 1, 1995·Acta Oto-laryngologica. Supplementum·K IshikawaK Togawa
May 15, 2001·Acta Oto-laryngologica·K IshikawaI Toyoshima

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Citations

Mar 5, 2011·Auris, Nasus, Larynx·Nakarin AngunsriYoshiaki Itasaka
Sep 26, 2014·Acta Oto-laryngologica·Tomoe YoshidaMitsuya Suzuki
Apr 13, 2011·Gait & Posture·M YinN Angunsuri
Aug 16, 2016·The Laryngoscope·Nancy L Low ChoyBenedict J Panizza
Oct 20, 2006·Acta Oto-laryngologica·Anna HafstromMans Magnusson
Jul 29, 2017·Australasian Physical & Engineering Sciences in Medicine·Mahdi MajlesiHosein Rashedi

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