Opzioni
Modified Particle Repositioning Procedure
2000
Periodico
LARYNGOSCOPE
Abstract
Objectives: To evaluate the efficacy of modifications
to traditional particle repositioning maneuvers
in the treatment of benign paroxysmal positional vertigo.
Study Design: Prospective trial of 118 patients
with cupolocanalithiasis of the posterior canal
treated with three different canal-repositioning techniques.
Methods: Results were compared with the maneuvers
employed and the statistical importance of
rotating patients by 360° along their longitudinal axis
and head shaking on reaching each single position
were evaluated. Results: Treatment of patients with
our maneuver, which, in comparison with traditional
repositioning maneuvers, was modified by breaking
the procedure up into seven positions and rotating
patients by 360° along their longitudinal axis, gives a
higher, but not statistically significant, number of
treatment successes (84.5%) than the traditional Parnes
maneuver (60%) (P 5 .154); treatment of a third
group of patients with our modified particle repositioning
maneuver with the addition of head-shaking
on reaching each single position gives a higher
(95.6%), statistically significant number of treatment
successes than traditional Parnes maneuver (P 5
.00011). Conclusions: The success rates achieved from
modified particle repositioning maneuvers are statistically
significant. Onset or persistence of dizziness,
which patients frequently complain of after liberatory
maneuvers, affects only 5.6% of the patients
treated. This low incidence is statistically correlated
to head-shaking.
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