RELATIONSHIP BETWEEN MORPHOLOGICAL CHANGES AND PULMONARY FUNCTION TESTS IN CHRONIC BRONCHITIS AND CHRONIC PULMONARY EMPHYSEMA

Correlation of regional densitometry patterns, radiological appearances, and pulmonary function tests in chronic bronchitis and emphysema.

In 20 male patients suffering from chronic bronchitis and emphysema investigated by pulmonary x-ray densitometry, five different types of densitometer trace pattern were observed during the FEV manoeuvre, which appeared to be related to the degree of zonal airway obstruction and the radiological severity of emphysema. We thought some of the features of the traces were caused by displacement of ...

Treatment of pulmonary hypertension in chronic bronchitis and emphysema.

SIR,-We read with interest the leading article by Dr John Rees on the treatment of pulmonary hypertension in patients with chronic bronchitis and emphysema (24 November, p 1398). An appreciable, but unknown, number of patients with hypoxia also develop polycythaemia, and in these cases reducing packed cell volume may help to ameliorate pulmonary hypertension. Blood viscosity rises -exponentiall...

Relation between abnormalities in the chest radiograph and changes in pulmonary function in chronic bronchitis and emphysema.

Early detection of chronic bronchitis and pulmonary emphysema.

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Emphysema distribution and annual changes in pulmonary function in male patients with chronic obstructive pulmonary disease

BACKGROUND The progression of chronic obstructive pulmonary disease (COPD) considerably varies among patients. Those with emphysema identified by quantitative computed tomography (CT) are associated with the rapid progression assessed by forced expiratory volume in one second (FEV1). However, whether the rate of the decline in lung function is independently affected by the regional distribution...