Short term variability in FEV1 and bronchodilator responsiveness in patients with obstructive ventilatory defects.

PM Tweeddale, F Alexander, GJ McHardy - Thorax, 1987 - thorax.bmj.com
Short term variability in FEV1 and responsiveness to inhaled bronchodilator were measured
in 150 patients with obstructive ventilatory defects. The range of initial FEV1 was 0.5-4.71 …

Breathing retraining: Effect on anxiety and depression scores in behavioural breathlessness

PM Tweeddale, I Rowbottom, GJR McHardy - Journal of psychosomatic …, 1994 - Elsevier
Thirty-six patients underwent assessment of behavioural breathlessness which included
monitoring of breathing patterns and end tidal CO 2 concentration and completion of …

Arterial blood gas tensions, hydrogen ion, and electroencephalogram during sleep in patients with chronic ventilatory failure.

AG Leitch, LJ Clancy, RJ Leggett, P Tweeddale… - Thorax, 1976 - thorax.bmj.com
We have studied arterial PO2, PCO2, and hydrogen ion and electroencephalogram during
sleep in 10 patients with stable severe chronic respiratory failure. As a group the patients …

Short term variability in FEV1: relation to pretest activity, level of FEV1, and smoking habits.

PM Tweeddale, S Merchant, M Leslie, F Alexander… - Thorax, 1984 - thorax.bmj.com
The natural variability in forced expiratory volume in one second (FEV1) over 20 minutes
was determined in 54 fit hospital employees and 13 patients with restrictive lung disorders …

The effect of pulmonary function of local and loco-regional irradiation for breast cancer

PDJ Hardman, PM Tweeddale, GR Kerr… - Radiotherapy and …, 1994 - Elsevier
Eighty-five patients treated with loco-regional radiotherapy to the breast/chest wall and
cervico-axillary nodes, and 16 patients treated with local radiotherapy to the breast/chest …

Pulmonary function in childhood leukaemia survivors

NJ Shaw, PM Tweeddale… - Medical and pediatric …, 1989 - Wiley Online Library
Little is known of pulmonary function in survivors of acute lymphoblastic leukaemia (ALL);
this is despite the fact that some drugs used, most notably methotrexate, have well‐recorded …

The effects of maternal hypercapnia on foetal oxygenation and uterine blood flow in the pig.

R Hanka, L Lawn, IH Mills, DC Prior… - The Journal of …, 1975 - Wiley Online Library
1. The purpose of this investigation was to determine the effects of maternal hyperoxaemia
and hypercapnia on the uterine vascular bed and foetal oxygenation in the large white sow …

DPG and the oxygen affinity of maternal and foetal pig blood and haemoglobins

PM Tweeddale - Respiration Physiology, 1973 - Elsevier
Foetal and maternal porcine erythrocytes were found to contain significantly different
concentrations of 2, 3-diphosphoglycerate (DPG) viz: 4.92 and 34.46 μM/g haemoglobin …

Evaluation of Biox IIA ear oximeter.

PM Tweeddale, NJ Douglas - Thorax, 1985 - thorax.bmj.com
Arterial blood gas tensions, pH, and carboxyhaemoglobin were measured on 322 occasions
in 165 patients and the actual oxygen saturation of the haemoglobin (Sao2) was compared …

Hyperventilation of exercise to induce asthma?

PM Tweeddale, DJ Godden, IW Grant - Thorax, 1981 - thorax.bmj.com
Bronchoconstriction was induced in asthmatic patients by means of isocapnic
hyperventilation with dry air. Responses both within a day and between days did not differ …