The effect of nasogastric tubes on swallowing function in persons with dysphagia following stroke

Wang TG, Wu MC, Chang YC, Hsiao TY, Lien IN.

Arch Phys Med Rehabil. 2006 Sep;87(9):1270-3.

Abstract

OBJECTIVE:

To determine whether the use of a nasogastric tube influences swallowing function in stroke patients with dysphagia.

DESIGN:

Before-after trial.

SETTING:

Primary care center.

PARTICIPANTS:

A total of 22 patients with stroke (12 men, 10 women; mean age, 69.7 y; range, 19-85 y) participated in the study. Time from onset of stroke to time of assessment averaged 20.3 days (range, 14-38 d). All participants continued to use a nasogastric tube for nutrition supply and had either minor or no aspiration of barium on videofluoroscopic examination of swallowing (VFES).

INTERVENTION:

The swallowing function was evaluated by VFES with thin and thick bariums (5 mL each) as a contrast medium.

MAIN OUTCOME MEASURES:

The oral transit, swallowing trigger, and pharyngeal transit times were measured and compared before and after the removal of the nasogastric tube. The patients were also observed for changes in velopharyngeal closure, pharyngeal contraction, epiglottic tilt, valleculae stasis, pyriform sinus stasis, penetration, and aspiration.

RESULTS:

Transit times were reduced by 0.2 to 0.6 seconds after removal of the nasogastric tube, but the reduction was not statistically significant. These transit times were slightly longer with thick barium than with thin barium, but were without statistical significance. Similarly, most of the patients had no change in nontemporal assessment of swallowing function after the tube was removed.

CONCLUSIONS:

The placement of a nasogastric tube did not affect temporal and nontemporal measurement of swallowing in stroke patients with dysphagia with or without minor aspiration.

ACESSE O PERIÓDICO

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