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Neutrophils play a key role in the elimination of pathogens. They are remarkably short-lived with a circulating half life of 6-8h and hence are produced at a rate of 5x10(10)-10x10(10) cells/day. Tight regulation of these cells is vital because they have significant histotoxic capacity and are widely implicated in tissue injury. This review outlines our(More)
OBJECTIVES To determine if the prone versus the supine posture was associated with higher oxygenation levels in prematurely born infants before discharge, whether any such effect was explained by alterations in lung volume or respiratory mechanics, and if the changes were greater in oxygen-dependent infants. PATIENTS Twenty infants (10 oxygen-dependent),(More)
Of 219 heart transplant patients with follow up for at least 3 months after transplantation, cardiac allograft ischemic time was more than 4 hours in 28% and more than 5 hours in 10%. In 1988 and 1989 grafts with ischemic times longer than 4 hours were used in 44% and 45% of cases, respectively. Overall, donor age has been 35 or more years in 22% and 45 or(More)
RATIONALE Acute respiratory distress syndrome (ARDS) affects over 200000 people annually in the USA. Despite causing severe, and often refractory, hypoxaemia, the high mortality and long-term morbidity of ARDS results mainly from extra-pulmonary organ failure; however the mechanism for this organ crosstalk has not been determined. METHODS Using autologous(More)
The reported high incidence of coronary atherosclerosis in many transplant series led us to critically review our experience in 83 patients who have had selective coronary angiography at greater than or equal to 1 years after transplantation. Angiograms were reviewed for evidence of coronary vascular disease, and quantitative analysis of multiple coronary(More)
Eosinophils are the major cellular effectors of allergic inflammation and represent an important therapeutic target. Although the genesis and activation of eosinophils have been extensively explored, little is known about their intravascular kinetics or physiological fate. This study was designed to determine the intravascular life span of eosinophils,(More)
Neutrophils are the most abundant circulating white cell in humans and play a crucial role in the innate immune response. Accumulation and activation of neutrophils, together with delayed clearance, have been shown to be a key event in the pathogenesis of acute lung injury. Previously, it has been proposed that there is substantial pooling of neutrophils(More)
Organ donor scarcity has resulted in an increasing number of long-distance cardiac allograft procurements. The effect on short-term (90-day) survival and cardiac function was assessed in a consecutive series of 167 heart transplants performed between April 1981 and July 1988. During that time, total allograft ischemic time was more than 4 hours in 22% of(More)
The reported incidence of ARDS is highly variable (2.5%-19% of intensive care unit (ICU) patients) and varies depending on study patient population used. We undertook a 6-month, prospective study to determine the incidence and outcome of ARDS in a UK adult University Hospital ICU. 344 patients were admitted during the study period, of these 43 (12.5%) were(More)
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