ICU sedation, delirium & recovery

Clinical Presentation, Laboratory Abnormalities, and Predictors of Outcome in 103 Patients With Acute Paraquat Poisoning: A Prospective Observational Study

Crit Care MedPublished Prospective observational study

Authors' conclusion

Paraquat is a lethal poison associated with a high mortality.

Study context

Population
Patients admitted to medicine wards and medical ICU with acute paraquat self-poisoning, tertiary care teaching hospital, August 2023 to March 2024
Participants
103 consecutive patients
Exposure
Patients who died vs survivors
  • Diedn = 78
Outcome
Mortality
Methodological detailssingle-centre, consecutive patients
  • Single-centre
  • Consecutive patients

Main finding

As reported in the abstract

Patients who died

75.7%

Observational data: associations, not effects.

Further findings

Amount of poison consumed · univariate analysis

P < 0.001

Serum creatinine · univariate analysis

P < 0.001

Serum bilirubin · univariate analysis

P < 0.001

Median

OutcomeDiedSurvivorsP value
APACHE II scoreUnivariate analysis15.5 (IQR 12–19)7 (IQR 3.5–11)P < 0.001
PaO2/FiO2 ratio at admissionUnivariate analysis300 (IQR 150–400)420 (IQR 396–485)P < 0.001

Mortality by IPCS Poisoning Severity Score grade

Increasing trend in mortality with increasing grade
P = 0.001

Independent predictors of mortality (multivariable analysis)

Shortness of breath, OR
0.008; p = 0.072
Hepatic dysfunction, OR
0.012; p = 0.048
Duration of hospital stay, OR
1.030; p = 0.023
Infiltrates on chest radiograph/CT chest, OR
0.003; p = 0.011
  • Reported by authors as significant independent predictors

Presenting symptoms

Vomiting
93%
Throat pain
85%

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Clinical Presentation, Laboratory Abnormalities, and Predictors of Outcome in 103 Patients With Acute Paraquat Poisoning: A Prospective Observational Study. Crit Care Med. Published 30 July 2025. doi:10.1097/ccm.0000000000006807

Composed by AI from the published abstract and checked against it. How Briefs are made →

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