Acid–base disorders evaluation in critically ill patients: we can improve our diagnostic ability

Purpose To determine whether Stewart’s approach can improve our ability to diagnose acid–base disorders compared to the traditional model. Methods This prospective cohort study took place in a university-affiliated hospital during the period of February–May 2007. We recorded clinical data and acid–b...

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Bibliographic Details
Published in:Intensive care medicine 2009-08, Vol.35 (8), p.1377-1382
Main Authors: Boniatti, Márcio Manozzo, Cardoso, Paulo Ricardo Cerveira, Castilho, Rodrigo Kappel, Vieira, Silvia Regina Rios
Format: Article
Language:English
Subjects:
Acid-Base Equilibrium - physiology
Acidosis
Acidosis - diagnosis
Acids
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Anesthesiology
Biological and medical sciences
Blood Gas Analysis
Brazil
Clinical death. Palliative care. Organ gift and preservation
Cohort analysis
Cohort Studies
Critical Care Medicine
Critical Illness
Diagnostic Tests, Routine - standards
Emergency Medicine
Female
Humans
Intensive
Intensive care
Intensive care medicine
Ion Transport - physiology
Male
Medical sciences
Medicine
Medicine & Public Health
Metabolism
Middle Aged
Original
Pain Medicine
Pediatrics
Plasma
Pneumology/Respiratory System
Prospective Studies
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Summary:Purpose To determine whether Stewart’s approach can improve our ability to diagnose acid–base disorders compared to the traditional model. Methods This prospective cohort study took place in a university-affiliated hospital during the period of February–May 2007. We recorded clinical data and acid–base variables from one hundred seventy-five patients at intensive care unit admission. Results Of the 68 patients with normal standard base excess (SBE) (SBE between −4.9 and +4.9), most ( n  = 59; 86.8%) had a lower effective strong ion difference (SIDe), and of these, 15 (25.4%) had SIDe 
ISSN:0342-4642
1432-1238
DOI:10.1007/s00134-009-1496-2