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Francisco Chacón-Lozsán: Cytokine Storm Is Not Just Inflammation, It Is Organ Failure in Motion
Francisco Chacón-Lozsán/LinkedIn
Apr 22, 2026, 16:44

Francisco Chacón-Lozsán: Cytokine Storm Is Not Just Inflammation, It Is Organ Failure in Motion

Francisco Chacón-Lozsán, Fellow at World Extreme Medicine, Member of European Society of Intensive Care Medicine (ESICM) and American College of Cardiology, shared on LinkedIn about a recent article by Raffaele Merola et al, published in Journal of Intensive Medicine:

” ‘Cytokine storm’ is not just inflammation, it is organ failure in motion.

A new review reframes ARDS beyond lung mechanics:

  • ARDS is not only a respiratory disease
  • It is a systemic immune catastrophe

What really happens in ARDS?

  • Dysregulated immune activation leading to excess cytokine release
  • Breakdown of the alveolar – capillary barrier
  • Spillover into systemic circulation

The lung becomes the source and amplifier of systemic inflammation

Why patients die is NOT hypoxemia alone

The real driver:

Multiorgan dysfunction syndrome (MODS)

Cytokines don’t stay in the lungs:

  • Brain leads to BBB disruption and neuroinflammation
  • Heart leads to decreased contractility and arrhythmias
  • Bone marrow leads to cytopenias
  • Kidney leads to AKI, microvascular ischemia
  • Liver leads to coagulopathy, DIC

ARDS becomes a whole-body disease

Not all ARDS is the same

Two key phenotypes:

Hyperinflammatory

  • High IL-6, IL-8, TNF
  • More shock, higher mortality
  • Worse ventilator outcomes

Hypoinflammatory

  • Lower cytokines
  • Better outcomes

Same syndrome. Different biology. Different response to therapy.

Therapy: still behind the biology

  • Lung – protective ventilation leads to cornerstone
  • Corticosteroids leads to evidence-supported
  • Cytokine removal, biologics, MSCs leads to promising but inconsistent

The problem: we treat ARDS as one diseas

The future is precision critical care

We should move:

From:

  • ‘All ARDS patients get the same protocol’

To:

  •  Biomarker-guided therapy
  •  Subphenotype – driven interventions
  •  Timing-based immunomodulation

 Clinical takeaway

If we don’t identify who is in a cytokine storm, we will continue to dilute effective therapies in heterogeneous populations.

ARDS is not failing because treatments don’t work.

It’s failing because we treat the wrong patients, at the wrong time, with the wrong strategy.”

Title: Cytokine storm in acute respiratory distress syndrome

Authors: Raffaele Merola, Patricia R.M. Rocco, Vito Marco Ranieri, Denise Battaglini

Francisco Chacón-Lozsán: Cytokine Storm Is Not Just Inflammation, It Is Organ Failure in MotionStay updated with Hemostasis Today.

Denise Battaglini Francisco Chacón-Lozsán Health Hematology Hemophilia Hemostasis Hemostasis News Hemostasis Today Medicine Patricia R.M. Rocco Raffaele Merola Vito Marco Ranieri
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