The ratio of right ventricular end-diastolic diameter (EDD) to left ventricular EDD (RV/LV) is a measure predictive of right ventricular failure. We hypothesized that an increase in RV/LV would be associated with poor prognosis in severe sepsis and septic shock.
This is a retrospective chart review of patients with severe sepsis and septic shock admitted to a medical intensive care unit (ICU) at a single tertiary care hospital. Patients were identified by ICD-9 codes: 995.92 for severe sepsis and 785.52 for septic shock; and had to have an echocardiogram within 48 h of ICU admission. Increased RV/LV was defined as RV/LV ≥ 0.9. Left and right-sided chamber dimensions were measured according to American Society of Echocardiography guidelines.
We included 146 consecutive ICU patients admitted with septic shock (72) or severe sepsis (74). There was no significant difference in ICU mortality in patients with RV/LV ≥ 0.9 versus RV/LV < 0.9 (p = .49).
An increased RV/LV does not predict mortality in severe sepsis or septic shock.
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