Thoracic kyphosis and ventilatory dysfunction in unselected older persons: an epidemiological study in dicomano, Italy

Vincenzo Bellia, Claudia Pozzi, Mauro Di Bari, Simona Zacchei, Melisenda Chiarlone, Francesca Tarantini, Daniela Matteuzzi, Vincenzo Bellia, Riccardo Pini, Niccoló Marchionni, Giulio Masotti

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    Abstract

    OBJECTIVES: To assess whether kyphosis is associated with ventilatory dysfunction in older community dwellers. DESIGN: Cross-sectional study. SETTING: The unselected population of Dicomano, Italy aged>or=65 years. PARTICIPANTS: A total of 323 nonheart failure participants underwent clinical evaluation for the presence of kyphosis and spirometry. The severity of kyphosis was estimated from the difference between standing stature and knee-height-derived stature and from the occiput-wall distance. MEASUREMENTS: Forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), and prevalence of obstructive and restrictive ventilatory pattern. RESULTS: The 130 kyphotic participants (40.2%) had an adjusted 2.5 prevalence odds ratio (POR) for dyspnea (95% confidence interval (CI)=1.1-5.8). FVC% and FEV1% were lower in the presence of kyphosis (P<.01); their deficit was proportional to kyphosis severity. The ventilatory dysfunction was underestimated when reference spirometric parameters were calculated based on standing stature, compared with knee-height derived stature. Of the kyphotic participants, 56.2%, 26.9%, and 16.9% had spirometric normal, obstructive, and restrictive patterns, respectively. Kyphosis was associated with a restrictive (adjusted POR=2.3, 95% CI=1.1-4.8; P=.021) and an obstructive ventilatory pattern (adjusted POR=3.3, 95% CI=1.7-6.5; P<.001). CONCLUSION: In unselected older persons, kyphosis is associated with dyspnea and ventilatory dysfunction of a restrictive and an obstructive type. Kyphosis should be included in the differential diagnosis of dyspnea and ventilatory dysfunction in the elderly.
    Lingua originaleEnglish
    pagine (da-a)909-915
    RivistaJournal of the American Geriatrics Society
    Volume52
    Stato di pubblicazionePublished - 2004

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    All Science Journal Classification (ASJC) codes

    • Geriatrics and Gerontology

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    Bellia, V., Pozzi, C., Di Bari, M., Zacchei, S., Chiarlone, M., Tarantini, F., Matteuzzi, D., Bellia, V., Pini, R., Marchionni, N., & Masotti, G. (2004). Thoracic kyphosis and ventilatory dysfunction in unselected older persons: an epidemiological study in dicomano, Italy. Journal of the American Geriatrics Society, 52, 909-915.