Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2008
Chronic suppurative otitis media, caloric testing, and rotational chair testing.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Gianoli Gerard J, Soileau James S
Аннотация
OBJECTIVE: To determine the incidence of caloric and rotational chair testing (ROT) abnormalities in a group of patients with chronic suppurative otitis media (CSOM) and to correlate caloric test results with ROT.
PATIENTS: Twenty-five patients with CSOM with or without cholesteatoma who were to undergo tympanomastoid surgery.
INTERVENTIONS: Caloric and ROT.
MAIN OUTCOME MEASURES: History of dizziness. Vestibular test abnormalities defined by caloric weakness (CW), reduced gain, abnormal phase, or asymmetry on ROT.
RESULTS: Among the 25 patients, 13 had bilateral CSOM-most with long-standing disease and history of previous surgical intervention. Of the 25 patients, 19 (76%) demonstrated either unilateral or bilateral CW. Eighteen (72%) demonstrated abnormalities on ROT. Eleven patients (44%) had complaints of vertigo/dizziness, although 2 of these patients had both normal caloric testing and ROT. Unilateral or bilateral CW was 80% accurate in predicting an ROT abnormality, whereas the symptom of vertigo/dizziness was only 48% accurate in predicting an ROT abnormality.
CONCLUSION: The incidence of CW among CSOM patients in this study was high and correlated well with abnormalities on ROT. Interestingly, ROT results correlated better with CW than symptoms of dizziness/vertigo. Although CW findings can be the result of technical limitations in testing patients with CSOM, ROT corroboration of these results suggest that they are valid findings.
PATIENTS: Twenty-five patients with CSOM with or without cholesteatoma who were to undergo tympanomastoid surgery.
INTERVENTIONS: Caloric and ROT.
MAIN OUTCOME MEASURES: History of dizziness. Vestibular test abnormalities defined by caloric weakness (CW), reduced gain, abnormal phase, or asymmetry on ROT.
RESULTS: Among the 25 patients, 13 had bilateral CSOM-most with long-standing disease and history of previous surgical intervention. Of the 25 patients, 19 (76%) demonstrated either unilateral or bilateral CW. Eighteen (72%) demonstrated abnormalities on ROT. Eleven patients (44%) had complaints of vertigo/dizziness, although 2 of these patients had both normal caloric testing and ROT. Unilateral or bilateral CW was 80% accurate in predicting an ROT abnormality, whereas the symptom of vertigo/dizziness was only 48% accurate in predicting an ROT abnormality.
CONCLUSION: The incidence of CW among CSOM patients in this study was high and correlated well with abnormalities on ROT. Interestingly, ROT results correlated better with CW than symptoms of dizziness/vertigo. Although CW findings can be the result of technical limitations in testing patients with CSOM, ROT corroboration of these results suggest that they are valid findings.