Subin Mathew

Neurointensivist/ ICU EEGer/ Director of Academic Affairs-Neuro @UNMC

[Dr. Chacón-Lozsán F .'. @franciscojlk]

🧠🫁 In neurocritical care, extubation is not simply a respiratory decision.

It is a brain protection strategy.

The article proposes an important shift:

Weaning in neurocritical patients should not only evaluate:
✅ oxygenation
✅ ventilation
✅ secretion management

but also:
🧠 neurological stability
🧠 intracranial pressure dynamics
🧠 cerebral perfusion
🧠 delirium prevention
🧠 neuroinflammatory risk

One of the strongest messages of this review is that: Mechanical ventilation is not biologically neutral for the brain.

The review summarizes emerging evidence showing that ventilator induced lung injury (VILI) may trigger systemic cytokine cascades involving:
⚠️ IL 1
⚠️ IL 6
⚠️ TNF α
⚠️ NF κB activation

with potential downstream neuroinflammation and secondary brain injury.

Particularly interesting is the discussion around: 🧠 IL 6 mediated neuroinflammation 🧠 microglial activation 🧠 post extubation delirium 🧠 long term cognitive impairment after prolonged ventilation

The review also highlights an uncomfortable clinical reality:

📌 Failed extubation in neurocritical patients is not a benign event.

It is associated with:
• increased mortality
• longer ICU stay
• higher pneumonia rates
• prolonged mechanical ventilation
• higher tracheostomy rates

One of the most valuable contributions is the proposed CAPREVI algorithm.

Rather than asking: “Can this patient breathe?”

the algorithm asks: 🧠 “Is the brain stable enough to tolerate extubation?”

That distinction is fundamental.

The proposed framework integrates:
• neurological stability
• ICP considerations
• airway secretion control
• hemodynamic status
• delirium prevention
• sedation optimization
• respiratory muscle strength
• spontaneous breathing trials
• multimodal neuromonitoring

Another highly important point:

⚠️ traditional ICU weaning protocols may inadequately account for cerebral vulnerability.

This is particularly relevant in:
• severe TBI
• SAH
• ICH
• neuro postoperative patients
• prolonged neuro ICU admissions

The review also appropriately emphasizes resource limited settings.

Advanced multimodal neuromonitoring is ideal, but neuroprotection can still be approached systematically using:
📌 bedside clinical examination
📌 airway evaluation
📌 ultrasound
📌 CT imaging
📌 structured neurological assessment

Perhaps the most important conceptual takeaway is this:

🧠 Extubation failure in neurocritical care may itself constitute a form of secondary brain injury.

And that changes how we should think about ventilator liberation in this population.

Modern neurocritical care increasingly requires us to stop separating:
🫁 lung physiology
from
🧠 brain physiology

because critically ill patients experience both simultaneously.

📖 Zarra F,. Brain Circulation. 2026. DOI: 10.4103/bc.bc_10_26

[SCCM Neuroscience Section @SCCM_Neuro]

This review considers pathophysiology & natural history of malignant MCA stroke, indications for DHC, technical considerations of craniectomy & cranioplasty, & importance of clear communication in shared decision-making.🧠

https://t.co/KPEZ2bdRUm

#SCCMNeuro #NeuroICU #NeuroX

[XRP Ledger Announces @XRPL__A]

MRI patterns in Autoimmune encephalitis

[Dr. Chacón-Lozsán F .'. @franciscojlk]

🧠⚡ EEG may be one of the most underused monitoring tools in modern intensive care.

This new 2026 perspective in Critical Care argues something provocative:

EEG should evolve from a specialist diagnostic test into a true bedside monitoring system for intensivists.

The paper highlights a reality we face daily in ICU:

Many critically ill patients develop: • delirium
• non convulsive seizures
• metabolic encephalopathy
• hypoxic ischemic injury
• sedation related cortical suppression

Yet much of this cerebral dysfunction remains clinically invisible.

Especially in: ⚠️ sedated
⚠️ mechanically ventilated
⚠️ unconscious patients

Clinical examination alone is often insufficient.

One of the strongest points of the article:

The authors argue EEG should follow the same trajectory as: 📌 bedside echocardiography
📌 lung ultrasound

Not every intensivist needs to become a neurophysiologist.

But intensivists should learn to recognize: • background suppression
• asymmetry
• burst suppression
• epileptiform activity

In the same way we identify: • RV failure
• tamponade
• B lines
• pneumothorax

This is a major conceptual shift.

The proposed model is particularly interesting.

The authors describe a tiered EEG system: 🟢 simple bedside alarms for nurses
🟡 simplified interpretation for ICU physicians
🔵 qEEG trend analysis for trained intensivists
🔴 full raw EEG interpretation for neurophysiologists

Combined with: 🤖 AI assisted pattern recognition

The objective is not replacing experts.

The objective is: faster recognition of dangerous brain physiology.

One of the most important messages:

Current ICU monitoring focuses heavily on: • blood pressure
• oxygenation
• cardiac output
• ventilation

But often ignores the organ we are ultimately trying to protect: 🧠 the brain.

EEG may become the missing physiological layer of multimodal ICU monitoring.

The article also raises a very practical concern: alarm fatigue.

If EEG systems generate excessive false positives, ICU staff will rapidly ignore them.

This is where AI may become transformative: continuous surveillance without fatigue.

Particularly fascinating is the potential future of:
📡 point of care EEG
📡 emergency department EEG
📡 prehospital EEG
📡 tele neurophysiology

Imagine: an ambulance transmitting simplified cerebral activity before hospital arrival.

That possibility no longer sounds futuristic.

My personal takeaway:

Critical care spent decades refining cardiovascular monitoring.

The next frontier may be: continuous functional brain monitoring.

Not simply detecting seizures.

But integrating cerebral physiology into real time ICU decision making.

📖 Reference
Taccone, F. S., Critical Care, 30, 195. https://t.co/RqVX8PXbkv

[Subin Mathew @SubinMatthews]

@MarcusVPinto Thank you Marcus. Hope you are well.

[Subin Mathew @SubinMatthews]

Presenting at the Emirates Critical Care Conference 2026 🇦🇪 ,in the country where I spent 19 years of my life and childhood — feels incredibly special. From attending my first critical care conference here to presenting at one today…. Surreal. #ECCC2026 #CriticalCare

[Dr sthanu subramanian @drsthanus]

A structured overview of Autoimmune Central Nervous System (CNS) disorders, categorizing them based on the presence and type of associated antibodies.

https://t.co/w5382UVIOX

[Subin Mathew @SubinMatthews]

Incredible energy and enthusiasm on display at American Academy of Neurology this year by @UNMCCOM medical students and residents, their research, curiosity, and drive to push the boundaries of neuroscience are truly inspiring 👏@UNMC_neurology

[Critical Care Reviews @CritCareReviews]

Airway management in critically ill children, what clinicians and searchers must know

CCR Journal Watch
https://t.co/Sp06oA6IDG

[Subin Mathew @SubinMatthews]

Huge shoutout to Mathias Maisenbacher, MD for the dedication and hard work behind an impressive poster presentation @NeurologyUNMC @UNMC_neurology @AANmember #AANAM 2026

[Critical Care Reviews @CritCareReviews]

The invisible emergencies: metabolic and neuro-critical disorders often missed in the pediatric ED — a narrative review

CCR Journal Watch
https://t.co/Sp06oA6IDG

[Nat Rev Neurology @NatRevNeurol]

New online! Glymphatic dysfunction: a unifying hypothesis for delirium https://t.co/snr6YzgyXe

[Kelly Haughton, MD @kidneydoctorpa]

AKI guidelines hadn’t been updated since 2012.
The KDIGO 2026 AKI/AKD Public Review Draft just dropped and it changes how we define, diagnose, and follow up after acute kidney injury.
Here’s what every nephrologist, intensivist, and internist needs to know 🧵
⚠️ Public review draft only · Not yet final guidelines

[Bhavya Varma, MD @BhavyaVarma12]

Post-Arrest Myoclonus by Dr. Joshua Madden

❇️Myoclonus should not be synonymous with poor outcome

❇️Myoclonus can be difficult to discern

❇️Obtain an EEG to help you

#REVIVE2026 @OscarJMitchell @CardioNerds

[Subin Mathew @SubinMatthews]

This is going to be a great one. @HopkinsMedicine @KennedyKrieger

[UNMC Department of Neurological Sciences @UNMC_neurology]

Catherine Chu, MD, MA, MSc will present #Grandrounds Thursday, February 5th at 12:00 p.m. (CST)

Dr. Chu is the Director of Child Neurology and Pediatric Epilepsy, Vice President of Neurology at Kennedy Krieger Institute at Johns Hopkins University

Her topic: Sleep Rhythms, Epilepsy, and Memory Dysfunction

[UNMC Department of Neurological Sciences @UNMC_neurology]

Shyam Prabhakaran, MD will present #Grandrounds Thursday, January 29th at 12:00 p.m. (CST)

Dr. Prabhakaran is Professor and Chair for the Department of neurology at University of Chicago

His topic: Symptomatic Intracranial Atherosclerotic Disease Management.

[Mica Schachter, MD @neurona_critica]

2025 Neurocritical Care Updates in Cerebrovascular Disease

https://t.co/RuQUhX8ijB

[Marcus Pinto, MD, MS @MarcusVPinto]

@aszelikovich, @gabifpucci, Jonathan, and I created this infographic on a simple step-by-step method for interpreting a nerve conduction study. I hope you find this helpful! 🤓 Thank you @GreenJournal for publishing it!

[Mica Schachter, MD @neurona_critica]

Hypertonic Saline + Mannitol @caseyalbin @juneuromd @LaurenKoffman @PulmCrit @rkchoi @Capt_Ammonia

[Lea Alhilali, MD @teachplaygrub]

1/My hardest thread yet! Are you up for the challenge?

How stroke perfusion imaging works!

Ever wonder why it’s Tmax & not Tmin?

Do you not question & let RAPID read the perfusion for you? Not anymore!