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Critical CareManagement

ARDS Mechanical Ventilation Management

ARDS Mechanical Ventilation Management: ARDS Diagnosed → Classify ARDS Severity → Initiate Lung Protective Ventilation → Assess Oxygenation Response → M...

Pathway Overview

14 steps

Algorithm Steps

14 total

  1. 01Start

    ARDS Diagnosed

    Berlin criteria: acute onset, bilateral opacities, P/F ≤300 on PEEP ≥5, not fully explained by cardiac failure

  2. 02Decision

    Classify ARDS Severity

    Based on P/F ratio on PEEP ≥5 cmH2O

    • Mild: 200 < P/F ≤ 300
    • Moderate: 100 < P/F ≤ 200
    • Severe: P/F ≤ 100
  3. 03Action

    Initiate Lung Protective Ventilation

    Core strategy for ALL ARDS patients (Strong recommendation)

    • Tidal volume: 4-8 mL/kg PBW (target 6 mL/kg)
    • Plateau pressure: <30 cmH2O
    • Driving pressure: <15 cmH2O (Pplat - PEEP)
    • PBW Male: 50 + 2.3 × (height in inches - 60)
    • PBW Female: 45.5 + 2.3 × (height in inches - 60)
  4. 04Decision

    Assess Oxygenation Response

    Check P/F ratio after initial stabilization

  5. 05Action

    Mild ARDS Management

    P/F 200-300

    • PEEP 5-10 cmH2O per ARDSNet table
    • FiO2 to maintain SpO2 88-95%
    • Conservative fluid strategy
    • Daily SBT screening
  6. 06Action

    Daily Reassessment

    Continuous optimization

    • Daily P/F ratio
    • Reassess PEEP needs
    • SBT screening when appropriate
    • Weaning protocol when improved
  7. 07Outcome

    ARDS Resolving

    Proceed with liberation protocol

  8. 08Outcome

    Persistent ARDS

    Continue optimization, consider rescue therapies

  9. 09Action

    Moderate ARDS Management

    P/F 100-200

    • Higher PEEP strategy (ARDSNet high PEEP table)
    • Consider prone positioning >12h/day
    • Consider neuromuscular blockade
    • Recruitment maneuvers (conditional)
    • Corticosteroids (conditional recommendation)
  10. 10Decision

    Prone Positioning Candidate?

    Severe ARDS (P/F <150) within 36h of intubation

    • Contraindications: spinal instability, open abdomen
    • Relative: facial trauma, recent sternotomy
    • Strong recommendation for severe ARDS
  11. 11Action

    Prone Position >12-16h/day

    Continue until P/F >150 on PEEP ≤10, FiO2 ≤0.6 supine for 4h

    • Turn prone for 16h sessions
    • Monitor pressure points
    • Secure ETT and lines
    • Continue proning until sustained improvement
  12. Path rejoins step 06Shared downstream outcome
  13. 12Decision

    Refractory Hypoxemia?

    Persistent P/F <80 despite optimal management

  14. 13Warning

    ⚠️ VV-ECMO Evaluation

    Consider for severe refractory ARDS

    • Contact ECMO center early
    • RESP score for mortality risk
    • Age typically <65, reversible etiology
    • ATS 2024: Conditional recommendation
  15. Path rejoins step 08Shared downstream outcome
  16. Path rejoins step 06Shared downstream outcome
  17. 14Action

    Severe ARDS Management

    P/F ≤100

    • Prone positioning >12h/day (Strong)
    • Higher PEEP per protocol
    • Neuromuscular blockade (conditional)
    • Corticosteroids (conditional)
    • ECMO evaluation if refractory
  18. Path rejoins step 10Shared downstream outcome

Guideline Source

An Update on Management of Adult Patients with Acute Respiratory Distress Syndrome: ATS Clinical Practice Guideline

DOI: 10.1164/rccm.202311-2011STView Guideline

Clinical Safety Information

Clinical Decision Support — Not a Substitute for Clinical Judgment

Individual patient factors may require deviation from these recommendations.

Known Limitations

  • Does not address pediatric ARDS
  • Requires arterial blood gas for P/F ratio calculation
  • Does not replace clinical judgment for ECMO candidacy
  • Assumes patient is intubated - does not cover NIV
  • Local protocols may vary

Contraindicated Populations

pediatricneonatal

Applicable Regions

USEUGlobal

EU: Compatible with ESICM recommendations

US: Based on ATS 2024 guidelines

Version 1Next review: 2028-01-01

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Frequently Asked Questions

What is the ARDS Mechanical Ventilation Management?

The ARDS Mechanical Ventilation Management is a management clinical algorithm for Critical Care. It provides a structured decision tree to guide clinical decision-making, based on An Update on Management of Adult Patients with Acute Respiratory Distress Syndrome: ATS Clinical Practice Guideline.

What guideline is the ARDS Mechanical Ventilation Management based on?

This algorithm is based on An Update on Management of Adult Patients with Acute Respiratory Distress Syndrome: ATS Clinical Practice Guideline (DOI: 10.1164/rccm.202311-2011ST).

What are the limitations of the ARDS Mechanical Ventilation Management?

Known limitations include: Does not address pediatric ARDS; Requires arterial blood gas for P/F ratio calculation; Does not replace clinical judgment for ECMO candidacy; Assumes patient is intubated - does not cover NIV; Local protocols may vary. Individual patient factors may require deviation from these recommendations.

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