Reseña del libro Los árboles que tenían frío. Muerte y amor en un tiempo extraño (Balmaseda, Vizkaia, Editorial Harresi, 2021), de Paco Checa.

Cerebrovascular reactivity (CVR) is the change in cerebral blood flow (CBF) in response to a change in a vasoactive stimulus. Paradoxical reductions in CBF in response to vasodilatory stimulation ('steal') are associated with vascular pathology. However, a pathophysiological interpretation of 'steal' requires a comprehensive conceptual model linking pathology and changes in blood flow. Herein, ...

OBJECTIVE To determine if breathing helium oxygen mixtures in addition to conventional therapy in non-intubated adult chronic obstructive airways disease (COPD) patients reduces the arterial partial pressure of carbon dioxide (Paco(2)) more than conventional treatment alone, and confers an advantage in terms of the odds of intubation in the acute setting. DESIGN Meta-analysis. SETTING Diver...

Delineation of Pb contamination pathways in two Pectinidae: the variegated scallop 1 Chlamys varia and the king scallop Pecten maximus 2 3 Marc Metian, Michel Warnau, François Oberhänsli, Paco Bustamante 4 5 6 1 International Atomic Energy Agency – Marine Environment Laboratories, 4 Quai Antoine 7 Ier, MC-98000 Principality of Monaco 8 2 Littoral Environnement et Sociétés (LIENSs), UMR 6250 CNR...

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INTRODUCTION Transcutaneous CO₂ (PtCO₂) is a continuous and non-invasive measure recommended by scientific societies in the management of respiratory distress. The objective of this study is to evaluate the correlation between PtCO₂ and blood pressure of CO₂ (PaCOv) by blood gas analysis in emergency patients with dyspnoea and to determine the factors that interfere in this correlation. METHO...

Monitoring the carbon dioxide exhaust of an oxygenator is an inexpensive method to accurately predict and control the arterial carbon dioxide tension during cardiopulmonary bypass (CPB). The partial pressure of carbon dioxide in the exhaust ventilating gas (p exCO 2) was continuously monitored from the capnograph port of the Sorin Monolyth oxygenator during CPB. At the time of routine arteria...

OBJECTIVE To review and compare the 'metabolic' component of an acid-base abnormality by assessing the arterial blood bicarbonate and the 'strong ion difference'. DATA SOURCES A review of published peer-review articles and studies reported from 1983 to 1999 and identified through a MEDLINE search on 'strong ion difference'. SUMMARY OF REVIEW The Henderson-Hasselbalch equation describes the ...