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Clinical Features and Outcomes of Respiratory Complications in Patients with Thoracic Hyperkyphosis

Title
Clinical Features and Outcomes of Respiratory Complications in Patients with Thoracic Hyperkyphosis
Authors
Lee, Seok JeongChang, Ji YoungRyu, Yon JuLee, Jin HwaChang, Jung HyunShim, Sung ShineHwang, Ji Young
Ewha Authors
이진화심성신황지영류연주이석정
SCOPUS Author ID
이진화scopus; 심성신scopus; 황지영scopus; 류연주scopus
Issue Date
2015
Journal Title
LUNG
ISSN
0341-2040JCR Link1432-1750JCR Link
Citation
vol. 193, no. 6, pp. 1009 - 1015
Keywords
KyphosisPrognosisLung disease
Publisher
SPRINGER
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Introduction There are few data about thoracic hyperkyphosis which focused on respiratory events and prognoses. We investigated the clinical features and outcomes of respiratory complications requiring hospitalization in patients with thoracic hyperkyphosis. Methods Following a retrospective review of the medical records between 2002 and 2011, we included 51 patients with thoracic hyperkyphosis who had visited the respiratory department due to respiratory symptoms. Results Of total 51 patients, 35 patients were hospitalized due to respiratory events. Among 56 total hospitalized events, acute respiratory failure (ARF) (n = 18) and exacerbation of a chronic airway disorder (n = 18) were the most common causes. Respiratory events related mortality was 13.7 % (7/51). The median value of the thoracic kyphosis angle was 89.0A degrees. The ratio of the measured kyphosis angle to the normal value according to age and sex showed the median value of 2.38 (interquartile range 1.61-2.87). This ratio was negatively correlated with both predicted forced vital capacity (gamma = -0.647, p < 0.0001) and predicted forced expiratory volume for 1 s (gamma = -0.518, p = 0.008). After adjustments for age and sex, hyperkyphosis (angle a parts per thousand yen90A degrees) was not found to influence the development of ARF (hazard ratio 3.2; 95 % confidence interval, 0.86-12.14; p = 0.082). Conclusions Patients with thoracic hyperkyphosis presenting to a respiratory department with respiratory issues commonly experienced respiratory events requiring hospitalization and had a poor prognosis. In addition, the severity of the kyphosis angle was correlated with respiratory insufficiency although it was not a risk factor for the development of ARF.
DOI
10.1007/s00408-015-9795-6
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의과대학 > 의학과 > Journal papers
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