Biomedical subjects
Publications and source records attributed to W Petro.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
The usefulness of a new forced oscillation measuring technique for establishing the airway resistance measured nasally, was investigated in 40 patients. Forced oscillation measurements of airway resistance employing the custo vit and Siregnost FD 5, the interruptor technique and classical rhinomanometry for the measurement of nasal resistance, were compared. The correlation of the data of the nasal and bronchial resistance is significant between custo vit on the one hand, and the Siregnost FD 5 and rhinometry on the other. The forced oscillation technique employing the custo vit and the use of a facemask under conditions of normal breathing is, accordingly, a reliable method for determining nasal resistance. The spectrum of application of the equipment is thus expanded from spirometry to rhinomanometry, and its usefulness in nasal provocation testing confirmed.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
80 patients with chronic bronchitis were treated inhalatively for a time of 3 weeks with a polyvalent bacterial lysate (IRS 19) or with placebo. The study was carried out in a double-blind fashion. Treatment with IRS 19 resulted in improved bronchoscopic findings compared with the pretherapy findings. Patients with bronchial hyperreactivity showed in the IRS 19 group small improvement of the hyperreactivity. In this group the contents of IgG in the BAL fluid showed a significant reduction, the other parameters were unchanged.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
In 227 patients with bronchial carcinoma whose forced expiratory volume was less than 2.5 l, measurements revealed a mild but significant rise in mean pulmonary arterial pressure at rest and on mild exercise (60 W). There was no clinically useful correlation between the degree of pulmonary hypertension and other measurable values, such as stage of the tumor or spirometric, whole-body plethysmographic, scintigraphic, electrocardiographic and blood-gas measurements. The degree of pre-operative pulmonary hypertension in 142 operated patients correlated with neither postoperative complications nor with post-operative mortality. Six months after lung resection there was a mild rise in pulmonary artery mean pressure among 30 patients, statistically significant only in those after pneumonectomy at rest. These results do not justify routine pre-operative right-heart catheterization. This should be reserved for patients with marginal ventilatory findings and cardiac risk factor.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.