Neurosurgery resident @YNeurosurgery | MD @Yalemed | BS @UNC go heels
New Haven, CT
Joined June 2009
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End of an era. Two year enfolded neuroendovascular fellowship with @MatoukCharles and Ryan Hebert, MD.
Thank you for the trust and mentorship only time could have built. And thank you, patients and families, for your trust in us. Onwards to chief residency at #YaleNeurosurgery
Andrew Koo, MD retweeted
A new technique developed at YSM improves molecular profiling of #brain cells by simultaneously comparing #protein and RNA levels across individual #cell types in living tissues, offering a clearer picture of what causes cells to falter in brain diseases: bit.ly/4tyeQPx
Andrew Koo, MD retweeted
Excited to share our new work in Neurology: Does intensive BP lowering differ in deep vs lobar ICH? doi.org/10.1212/WNL.00000000…
Signals of heterogeneity across 3 ICH trials suggest location-specific effects.
IPD meta-analyses and targeted trials are needed.
@mxhawkes @GuidoFalconeMD
Thank you for the opportunity to present at SBMT2026 on carotid revascularization techniques and our latest work on eShunt feasibility in IIH.🧠Exciting conversations in neurotechnology ahead! @MatoukCharles @YNeurosurgery
Amazing work @DadaRenedo, Congratulations !!
Honored to receive the Mordecai Y.T. Globus New Investigator Award at #ISC2026.
Grateful for the mentorship, collaboration, and support that make this work possible—and excited to keep pushing translational stroke research forward.
🧠🧬
Andrew Koo, MD retweeted
@PoojaKhatriMD honored at #ISC26 @AHAScience with the Feinberg Award for her decades of contributions to improving stroke science and outcomes. Great and humble leader and newly appointed Chair of Neurology @YaleMed. A distinguished career recognized by her peers!
Andrew Koo, MD retweeted
In a study based on the UK Biobank, SLAMF1 (a receptor involved in modulating innate and adaptive immune responses) was associated with increased risk of SAH. #stroke ahajrnls.org/47PFrzw
ALT Graphic abstract in Renedo et al.
Andrew Koo, MD retweeted
A retrospective analysis of 6,600+ acute ischaemic stroke patients has revealed that the duration of a #thrombectomy procedure may have a significantly more profound effect on functional outcomes as compared to prehospital delays
@AliAlawiehmdphd @JNIS_BMJ
neuronewsinternational.com/p…
Andrew Koo, MD retweeted
We all know that ⏰ is 🧠. Do different time intervals have different impacts on outcomes? This large retrospective study demonstrates that procedure duration predicts outcomes more than prehospital delay for EVTs! This emphasizes the importance of skilled interventionalists performing thrombectomies! @musc_star @alex_spiotta @AliAlawiehmdphd bit.ly/3IyOMls
ALT Figure 1 Differential impact of onset to puncture (OTP) time and procedure time (PT) on thrombectomy outcomes. (A) Adjusted ORs (aORs) for three clinical outcomes: 90-day modified Rankin Scale score (mRS) 0–2, 90-day mortality, and 90-day mRS shift, showing comparisons between OTP (left) and PT (right) obtained via multivariate regression models. Shorter PT demonstrates a stronger association with better outcomes compared with shorter OTP, n=6644 patients. Regression models were controlled for age, sex, race, comorbidities (hypertension, diabetes, atrial fibrillation, hyperlipidemia, heart failure, prior stroke), pre-stroke mRS, admission NIHSS, IV thrombolytics, location of occlusion, successful recanalization, ASPECTS, OTP, and PT. Stepwise backpropagation was used for variable selection in the final model as described in methods. (B) Time equivalence analysis showing that 5 min of PT corresponds to 78–101 min of OTP in terms of equivalent impact on outcome rates.
Andrew Koo, MD retweeted
Single-cell RNA-seq of #stroke clots reveals cause-specific signatures, suggesting new biomarkers. #AHAJournals @DadaRenedo @jn_acosta @sujijantaratMD @AndrewBKoo @CyprienRivier @SanticlocMD @jpantonios @GuidoFalconeMD @LaurenHSansing @MatoukCharles ahajrnls.org/46n4fOF
Andrew Koo, MD retweeted
New study out: 📊
In neurointerventional surgery, women remain only 1 in 10 authors.
First authorship ↑ (10%→17%), but senior/last authorship barely moved (6%→9%).
Progress is happening, but equity in leadership is still far away.
Thank you, @GreenJournal , for highlighting our study on ischemic stroke rates and outcomes after cardiac interventions in the US 🫀🧠
Grateful to the @YaleMed Neurology, NSGY, CT Surgery teams for their collaboration #Stroke #neurotwitter #TeamScience
This study identifies contemporary perioperative ischemic stroke rates and outcomes following cardiac interventions in the United States hubs.la/Q03tf2Jv0
An amazing event filled with incredible science and innovation in the neuroendovascular community! Thank you for the invitation to discuss our workup and management of pulsatile tinnitus.
Dr. Charles Matouk and Dr. Andrew Koo present "Silencing the Noise: Neuroendovascular Approaches to Tinnitus Management," a groundbreaking step toward treating tinnitus at its source. #NYSIN25
For virtual registration: wmchealth-org.zoom.us/webina…
Andrew Koo, MD retweeted
New multicenter study reveals limitations of medical management for infectious intracranial aneurysms (IIAs). Early surgical or endovascular intervention shows better outcomes for high-risk patients. 🧠💉 #NeuroSurgery #StrokeCare @JNIS_BMJ bit.ly/43JL2oV
Andrew Koo, MD retweeted
🚀 Breaking new ground in hydrocephalus treatment! 🌟 The eShunt System by CereVasc, featured in @JNIS_BMJ, offers an innovative endovascularly implantable cerebrospinal fluid shunt. Dive into the technical video for a step-by-step guide, key anatomic insights, and strategies to overcome common challenges. #MedicalInnovation #Neurosurgery #TechInMedicine 📽️👉 bit.ly/3FgWVcA
A fantastic time at the annual New England skull base lab hosted this year at Yale. Reconnecting with longtime friends and mentors, while forming new relationships. Thank you to course faculty Dr Moliterno, @wenyalindabi, @CKLeeMD, Dr Liebelt !
#nsgy @StrykerNS @NENeurosurgery
Excited to share our new technical video on the eShunt System-a novel endovascular approach for treating communicating hydrocephalus. Watch step-by-step deployment and learn key procedural tips: jnis.bmj.com/content/early/2… #Neurosurgery #Hydrocephalus @JNIS_BMJ