Central venous pressure measurement is associated with improved outcomes in septic patients: an analysis of the MIMIC-III database.

Abstract:

PURPOSE:Measurement of central venous pressure (CVP) can be a useful clinical tool. However, the formal utility of CVP measurement in preventing mortality in septic patients has never been proven. METHODS:The Medical Information Mart for Intensive Care III (MIMIC-III) database was searched to identify septic patients with and without CVP measurements. The primary outcome was 28-day mortality. Multivariate regression was used to elucidate the relationship between CVP measurement and 28-day mortality, and propensity score matching (PSM) and an inverse probability of treatment weighing (IPTW) were employed to validate our findings. RESULTS:A total of 10,275 patients were included in our study, of which 4516 patients (44%) underwent CVP measurement within 24 h of intensive care unit (ICU) admission. The risk of 28-day mortality was reduced in the CVP group (OR 0.60 (95% CI 0.51-0.70; p < 0.001)). Patients in the CVP group received more fluid on day 1 and had a shorter duration of mechanical ventilation and vasopressor use, and the reduction in serum lactate was greater than that in the no CVP group. The mediating effect of serum lactate reduction was significant for the whole cohort (p = 0.04 for the average causal mediation effect (ACME)) and patients in the CVP group with an initial CVP level below 8 mmHg (p = 0.04 for the ACME). CONCLUSION:CVP measurement was associated with decreased risk-adjusted 28-day mortality among patients with sepsis and was proportionally mediated through serum lactate reduction.

journal_name

Crit Care

authors

Chen H,Zhu Z,Zhao C,Guo Y,Chen D,Wei Y,Jin J

doi

10.1186/s13054-020-03109-9

subject

Has Abstract

pub_date

2020-07-14 00:00:00

pages

433

issue

1

eissn

1364-8535

issn

1466-609X

pii

10.1186/s13054-020-03109-9

journal_volume

24

pub_type

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