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- Open Access
Effects of methylene blue on gas exchange and myocardial function in refractory septic shock with acute lung injury
Critical Care volume 1, Article number: P076 (1997)
An important number of patients died in refractory hypotension during the course of septic shock. Methylene blue (MB) increases mean arterial pressure, however cardiac output can decrease and also some effect on gas exchange has been observed.
The aim of this study was to evaluate the potential side effects on myocardial function and respiratory parameters in patients with refractory septic shock associated to severe acute lung injury (ALI).
Six consecutive patients with refractory septic shock, mechanically ventilated developing ALI were studied. MB was infused iv (1 mg/kg) in 15 min. Hemodynamics and gasometric values were collected before (baseline) and at 30 min, 60 min, 90 min, 120 min and 180 min after the end of the infusion.
Data = mean ± SE. Statistics: Anova and Student–Newman–Keuls.
Short-term effects of MB are not deleterious on cardiac performance during refractory septic shock and its use is not limited in patients that developed ALI.
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Andresen, M., Dougnac, A., Alvarez, M. et al. Effects of methylene blue on gas exchange and myocardial function in refractory septic shock with acute lung injury. Crit Care 1, P076 (1997). https://doi.org/10.1186/cc68
- Public Health
- Cardiac Output
- Septic Shock
- Arterial Pressure