Combined Use of Chest X-rays and Body Mass Index to Predict Pulmonary Hemodynamics in Patients with Chronic Obstructive Pulmonary Disease.
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- Kudoh Yukiharu
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Takada Kazuo
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Iwabuchi Katsuyoshi
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Kathoh Shuuichi
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Takahashi Hifumi
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Seino Shuuichi
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Sata Makoto
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Satoh Shinobu
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Tomoike Hitonobu
- The First Department of Internal Medicine, Yamagata University School of Medicine
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- Takahashi Keiji
- Department of Laboratory Medicine, Yamagata University School of Medicine
Bibliographic Information
- Other Title
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- 慢性閉塞性肺疾患患者の肺循環動態を推定するための胸部Ｘ線写真，体格指数の有用性
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Abstract
A study was undertaken to determine whether measurements of radiological indices from chest X-rays and body mass index (BMI) were useful in predicting pulmonary artery hypertension. Measurements of the cardiothoracic ratio (CTR) as well as right descending pulmonary artery diameter (RDPA) and BMI were made in 27 patients with chronic obstructive pulmonary disease (COPD). Mean pulmonary arterial pressure(mPA)correlated with CTR, RDPA and BMI. Multiple regression analysis gave the useful equation: predicted mPA=-3.523+0.196xBMI+0.110xCTR+0.786xRDPA (r=0.704, p<0.002). Fifteen patients were found to have pulmonary hypertension, defined as mPA≥20mmHg. The sensitivity of CTR and BMI were 86.7%. The specificity of BMI was 83.30%. These results suggest that the measurements CTR, RDPA and BMI may be useful in screening for pulmonary hypertension in patients with COPD.
Journal
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- The Japanese journal of thoracic diseases
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The Japanese journal of thoracic diseases 31 (4), 447-452, 1993
The Japanese Respiratory Society