Related Experiment Videos
Acute lung injury in septic shock
1Richard Ivey Critical Care Trauma Centre, Victoria Hospital, London, Ontario, Canada.
Critical Care Clinics
|January 1, 1989
Summary
Sepsis-associated Acute Lung Injury (ALI) has evolved, with patients now experiencing prolonged illness leading to Multiple Organ Failure (MOF). Current treatments focus on managing sepsis and minimizing secondary injury, as a singular "golden bullet" remains elusive.
Area of Science:
- Critical Care Medicine
- Pulmonology
- Infectious Diseases
Background:
- Sepsis-associated Acute Lung Injury (ALI) and Acute Respiratory Distress Syndrome (ARDS) have been extensively studied over the past two decades.
- While ARDS mortality remains stable, the clinical presentation and patient profile have shifted.
- Patients now often have protracted courses leading to Multiple System Organ Failure (MSOF) and present with more complex comorbidities due to improved emergency resuscitation.
Purpose of the Study:
- To review the current understanding of sepsis-associated ALI and ARDS.
- To discuss the evolving clinical spectrum and patient demographics.
- To highlight the limitations of current therapeutic interventions and emphasize fundamental management principles.
Main Methods:
- Review of recent multicenter trials and clinical data.
- Analysis of the pathophysiology and mediators of septic ARDS.
- Evaluation of therapeutic interventions, including methylprednisolone dose trials.
Main Results:
- ARDS mortality has not decreased, but the disease course is now more commonly protracted, culminating in MSOF.
- Therapeutic interventions showing promise in animal models have not translated effectively to human trials.
- The patient population developing ARDS is older and more medically complex.
Conclusions:
- Effective singular treatments for ARDS are lacking.
- Management should prioritize aggressive identification and treatment of sepsis.
- Minimizing secondary injury, particularly effects on microvascular function, is crucial, with research into nosocomial pneumonia serving as a model.