A consensus statement from the International Cerebral Palsy Task Force outlined essential criteria to define an acute perinatal hypoxic event; criteria included evidence of a metabolic acidosis in fetal umbilical arterial cord blood or in very early neonatal blood samples (pH < 7 and base deficit >12 mmol/l). Pathological fetal acidaemia may be correlated with an increased risk of neurological ...

With increasing use of arterial blood gas analysis in various ward and other hospital settings to aid medical diagnosis and management, nurses who can interpret results are often able to initiate earlier interventions and understand the reasons for medical interventions. This article enables nurses to interpret such results.

BACKGROUND Chronic obstructive pulmonary disease (COPD) is a serious lung disease that severely threatens people's health. This study aimed to investigate the effects of heliox-driven nebulization (HDN) on lung function and arterial blood gases in a COPD rat model. MATERIAL AND METHODS Twelve healthy male Wistar rats were selected as controls and 34 rats were used to establish a COPD model indu...

OBJECTIVE To assess the efficacy of and patient tolerance for nasal and full-face masks during noninvasive positive-pressure ventilation (NPPV) with patients suffering acute exacerbations of chronic obstructive pulmonary disease. SETTING A respiratory medicine ward of a referral hospital. METHODS Fourteen patients were randomized to 2 groups. Seven used nasal masks and 7 used full-face mask...

BACKGROUND Open mouthpiece ventilation is efficacious in patients with neuromuscular disease. We used this ventilation technique in patients with exacerbations of COPD with mild to moderate acidosis. METHODS The study was performed in 2 respiratory monitoring care units. Fifty subjects with exacerbations of COPD, breathing frequency > 25, PaCO2 > 45, and pH between 7.25 and 7.30, as well as K...

UNLABELLED We performed a retrospective analysis to the effects of negative pressure ventilation (NPV), tracheal intermittent positive pressure ventilation (TIPPV), and nasal intermittent positive pressure ventilation (NIPPV, volume or pressure-controlled ventilatory mode), in 114 patients with restrictive ventilatory disorders instituted in our hospital from 1956 until 2005. The patients were ...

To assess the physiologic effects of continuous negative extrathoracic pressure (CNEP), negative pressure ventilation (NPV), and negative extrathoracic end-expiratory pressure (NEEP) added to NPV in patients with acute exacerbation of chronic obstructive pulmonary disease (COPD), we measured in seven patients ventilatory pattern, arterial blood gases, respiratory mechanics, and pressure- time p...

The aim of the present study was to compare the evolution of pulmonary haemodynamics and of arterial blood gases in chronic obstructive pulmonary disease (COPD) patients with mild-to-moderate hypoxaemia, with or without sleep-related oxygen desaturation. COPD patients with daytime arterial oxygen partial pressure in the range 56-69 mmHg were included prospectively. Sleep-related oxygen desatura...

We read with interest in the April 1993 issue of Chest the artide by Liss and Payne’ on “Stability of Blood Gases in Ice and at Room Temperature.” Although some authors would agree that the small changes observed in Pco , and pH when the arterial blood samples were kept at room temperature make it unnecessary to maintain arterial blood in ice if gas analysis is done within 30 mm, several commen...