PEEP-induced Changed in RRI as Physiological Background of Ventilator-induced Kidney Injury

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

105 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-05-01

Study Completion Date

2020-06-15

Brief Summary

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The renal Doppler resistive index (RRI) is a noninvasive tool that has been used to assess renal perfusion in the intensive care unit (ICU) setting. Many parameters have been described as influential on the values of renal RI. Mechanical ventilation is associated with significant increases in the risk of acute kidney injury (AKI). Ventilator-induced kidney injury (VIKI) is believed to occur due to changes in hemodynamics that impair renal perfusion. The investigators hypothesized that patients who need mechanical ventilation should have a different response in RRI when different levels of Positive end expiratory pressure (PEEP) are applied. Investigators wish to describe changing in RRI due to changes in PEEP and to verify whether these changes could partially explain the occurrence of VIKI

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Detailed Description

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Conditions

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Respiratory Distress Syndrome, Adult Respiration, Artificial Acute Kidney Injury

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Critically ill ventilated patients

Patients admitted to ICU with expected mechanical ventilation \>48h

PEEP changes

Intervention Type PROCEDURE

All patients will be ventilated with a tidal volume of 6 ml/kg before the RRI assessment. Further, three level of PEEP (5, 10 and 15 cmH2O) will be randomly set. For each levels of PEEP, the RRI will be evaluated

Interventions

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PEEP changes

All patients will be ventilated with a tidal volume of 6 ml/kg before the RRI assessment. Further, three level of PEEP (5, 10 and 15 cmH2O) will be randomly set. For each levels of PEEP, the RRI will be evaluated

Intervention Type PROCEDURE