Acute respiratory failure in patients with generalized peritonitis
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Abstract:
The evolution of acute respiratory failure was studied in 27 patients with generalized peritonitis. The natural history of pulmonary failure indicates an incidence of 74% of atelectasis progressing to pneumonitis in the majority of patients. In 21 patients, similar aerobic microorganisms were recovered from the sputum and abdominal focus of infection. The emergence of gram negative pneumonia by the third day of onset of peritonitis appeared to add significantly to respiratory failure. In the management of respiratory failure, early use of positive and expiratory pressure with mechanical ventilation was associated with improvement or reversal of hypoxia. A high fatality (89%) was attributed to uncontrolled sepsis rather than to respiratory failure.
Insights
Generalized peritonitis frequently leads to acute respiratory failure, with early positive expiratory pressure and mechanical ventilation improving oxygen levels. However, uncontrolled sepsis remains the primary cause of mortality in these patients.
Area of Science:
- Critical Care Medicine
- Pulmonology
- Infectious Disease
Background:
- Generalized peritonitis poses a significant risk for developing acute respiratory failure.
- Pulmonary complications like atelectasis and pneumonitis are common sequelae of peritonitis.
- Aerobic microorganisms often link abdominal infection foci with respiratory infections.
Purpose of the Study:
- To investigate the progression of acute respiratory failure in patients with generalized peritonitis.
- To identify the role of microbial infections in the development of pulmonary complications.
- To evaluate the effectiveness of mechanical ventilation strategies in managing respiratory failure.
Main Methods:
- Observational study of 27 patients with generalized peritonitis.
- Analysis of pulmonary failure incidence, including atelectasis and pneumonitis.
- Microbiological analysis of sputum and abdominal infection sites.
- Assessment of respiratory support interventions, specifically positive expiratory pressure and mechanical ventilation.
Main Results:
- 74% incidence of atelectasis progressing to pneumonitis was observed.
- Similar aerobic microorganisms were found in sputum and abdominal sites in 21 patients.
- Gram-negative pneumonia emerging by day three significantly worsened respiratory failure.
- Early positive expiratory pressure with mechanical ventilation improved or reversed hypoxia.
Conclusions:
- Acute respiratory failure is a common and serious complication of generalized peritonitis.
- Sepsis control is critical, as uncontrolled sepsis, not respiratory failure itself, led to an 89% fatality rate.
- Early respiratory support interventions can mitigate hypoxia in these patients.