Significance of the monitoring of lactate and P50 for estimation of oxygen transport in burn patients

M. Tsareva, A. Christova, S. Todorova (Sofia, Bulgaria)

Source: Annual Congress 2001 - Monitoring acute lung disease
Session: Monitoring acute lung disease
Session type: Thematic Poster Session
Number: 1645
Disease area: Respiratory critical care

Congress or journal article abstract

Abstract

The menagment of heavy burns poses very difficult problems of circulatory and respiratory insufficiency which need a reliable criteria for their monitoring.
In 37 severely burned patients were investigated the changes in the levels of blood lactate and P50 determined repeatedly in the course of the treatment together with the acid-base status and blood gases (gase analyzer NOVA - USA). Data were analysed with respect to the area of burn injury (below and above 30%) as well as the issue of the illness (51% survivors and 49% nonsurvivors). Elevated levels of lactate (above 2.0 mmol/l) were found in 44% of the patients (nonsurvivors - 3.83 ±] 2.68 mmol/l, survivors - 2.12 ±] 1.36 mmol/l, p<0,05). There is also statisticaly significant difference according to the burn area. For the canges in P50 (which gives information about the shape of the oxygen dissociation curve) we found that in the groups of patients with burns below 30% and survivors P50 is statisticaly lower in comparison with the groups with burns above 30% and nonsurvivors. The data were compared with acid-base status and blood gases. The determination of blood lactate and P50 gives useful information about tissue oxygen transport in patients with burn injury and can be a guide for their intensive treatment.


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M. Tsareva, A. Christova, S. Todorova (Sofia, Bulgaria). Significance of the monitoring of lactate and P50 for estimation of oxygen transport in burn patients. Eur Respir J 2001; 16: Suppl. 31, 1645

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