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New device for nonvolitional evaluation of quadriceps force in ventilated patients.


ABSTRACT: INTRODUCTION:In mechanically ventilated patients, nonvolitional assessment of quadriceps weakness using femoral-nerve stimulation (twitch force) while the leg rests on a right-angle trapezoid or dangles from the bed edge is impractical. Accordingly, we developed a knee-support apparatus for use in ventilated patients. METHODS:Ninety subjects (12 ventilated patients, 28 ambulatory patients, and 50 healthy subjects) were enrolled. Twitches with leg-dangling, trapezoid, and knee-support setups were compared. RESULTS:Knee-support twitches were similar to trapezoid twitches but smaller than leg-dangling twitches (P?

SUBMITTER: Laghi F 

PROVIDER: S-EPMC5910250 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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New device for nonvolitional evaluation of quadriceps force in ventilated patients.

Laghi Franco F   Khan Najeeb N   Schnell Thimothy T   Aleksonis Dinas D   Hammond Kendra K   Shaikh Hameeda H   Collins Eileen E   Jubran Amal A   Tobin Martin J MJ  

Muscle & nerve 20171211 5


<h4>Introduction</h4>In mechanically ventilated patients, nonvolitional assessment of quadriceps weakness using femoral-nerve stimulation (twitch force) while the leg rests on a right-angle trapezoid or dangles from the bed edge is impractical. Accordingly, we developed a knee-support apparatus for use in ventilated patients.<h4>Methods</h4>Ninety subjects (12 ventilated patients, 28 ambulatory patients, and 50 healthy subjects) were enrolled. Twitches with leg-dangling, trapezoid, and knee-supp  ...[more]

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