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Published on: November 26, 2018
Right ventricular dysfunction in septic shock.
Surat Tongyoo1, Chairat Permpikul, Supaporn Lertsawangwong
1Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Summary
Right ventricular dysfunction (RVD) affects 17.8% of septic shock patients, correlating with higher mortality and altered respiratory mechanics. Early detection and management are crucial for improving outcomes in critically ill patients with septic shock.
Area of Science:
- Critical Care Medicine
- Cardiology
- Pulmonology
Background:
- Right ventricular dysfunction (RVD) is a frequent complication in critically ill patients, significantly impacting prognosis.
- Understanding the incidence and outcomes of RVD in septic shock is essential for optimizing patient management.
Purpose of the Study:
- To determine the incidence of RVD in patients with septic shock.
- To evaluate the clinical outcomes associated with RVD in this patient population.
Main Methods:
- A retrospective observational study was conducted in a Medical Intensive Care Unit.
- Pulmonary artery catheter data from 118 septic shock patients (January 2007-October 2009) were analyzed.
Main Results:
- The incidence of RVD was 17.8% (21 patients).
- RVD patients exhibited higher hospital mortality (81.0% vs. 60.8%), lower tidal volumes, higher peak airway pressures, reduced PaO2/FiO2 ratios, lower cardiac output, and increased need for renal replacement therapy.
- Low tidal volume and high peak airway pressure were significant factors associated with RVD.
Conclusions:
- RVD is a substantial finding in septic shock patients.
- Preventive strategies targeting lung compliance may mitigate RVD and improve patient survival.
- RVD is linked to adverse outcomes, including increased mortality and organ dysfunction.
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