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That JAMA Surgery link is to the article “Carotid Artery Stents for Blunt Cerebrovascular Injury” by Cothren et al., published in 2005.[1] ## Core findings - The paper reports on patients who received carotid artery stents for blunt carotid pseudoaneurysms after trauma, i.e., blunt cerebrovascular injury (BCVI). These are typically high‑energy mechanisms (motor vehicle crashes, falls, etc.) identified on catheter angiography or CT angiography.[1] - In this cohort, patients who had carotid stents placed had a complication rate of about 21% and a documented stent occlusion rate of 45%, which is strikingly high for an intervention intended to prevent stroke from a pseudoaneurysm.[1] ## Clinical implications - The high occlusion and complication rates raised concern that endovascular stenting for traumatic carotid pseudoaneurysm may not be as benign or durable as initially assumed, especially in young trauma patients with long life expectancy and labile haemodynamics/coagulopathy.[1] - The article contributed to ongoing debate about whether BCVI pseudoaneurysms should be managed with: - Antithrombotic therapy alone (heparin, antiplatelets) - Open surgical repair - Endovascular strategies (stent, coil, or covered stent), and under what indications. ## How people have used this paper - Trauma and vascular guidelines have often cited this article as evidence that carotid stenting for BCVI carries substantial risk of occlusion and periprocedural complication, so it should be reserved for selected lesions (expanding pseudoaneurysms, failed medical therapy, contraindication to anticoagulation). - It also indirectly supports rigorous screening for BCVI (Denver/Memphis criteria, CTA protocols) and careful anticoagulation/antiplatelet strategies rather than reflexive stenting of every traumatic pseudoaneurysm. If you tell me what exactly you want from this paper (e.g., “is stenting justified in X scenario?”, “stroke risk vs conservative management?”, or “how to interpret these outcomes against modern endovascular data?”), I can discuss how to apply it to a specific clinical decision in your practice. Sources [1] Carotid Artery Stents for Blunt Cerebrovascular Injury https://jamanetwork.com/journals/jamasurgery/fullarticle/508599 [2] JAMA Surgery Archives - For The Media - JAMA Network https://media.jamanetwork.com/journal/jama-surgery/ [3] Comparative safety of robotic-assisted vs laparoscopic ... https://www.eurekalert.org/news-releases/1129454 [4] JAMA Journals Archives - Page 15 of 215 https://media.jamanetwork.com/journal/jama-journals/page/15/ [5] JAMA Surgery Archives - Page 7 of 13 - For The Media - JAMA Network https://media.jamanetwork.com/journal/jama-surgery/page/7/ [6] JAMA Surgery https://jamanetwork.com/journals/jamasurgery/fullarticle/2778672 [7] jama.2016.4690 https://doi.org/10.1001/jama.2016.4690 [8] JAMA Surgery - Impactio https://www.impactio.com/journal/86924810 [9] 1 | P a g e https://certification.osteopathic.org/surgery/wp-content/uploads/sites/10/General-Surgery-Reading-Links.pdf [10] jamanetwork.com - urlscan.io https://api.urlscan.io/result/0198d29a-5ab1-731a-84dd-a3bd2faeee6b/

I don't have any previous conversation context with you — this appears to be the start of our session, so I'm not sure what you'd like me to do with this summary you've pasted.
Could you clarify what you need? For example:
  • Do you want me to find and retrieve the full text of the Cothren et al. 2005 paper?
  • Do you want to compare these findings against more recent BCVI management data?
  • Are you working through a specific clinical scenario (e.g., a trauma patient with carotid pseudoaneurysm) and want guidance?
  • Did you mean to ask a follow-up question based on this summary?
Let me know what direction you'd like to take this and I'll help right away.

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carotid artery stenting blunt cerebrovascular injury outcomes

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modern carotid stenting blunt cerebrovascular injury outcomes 2020 2025 stent occlusion rate

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PMID: 29370049

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PMID: 37760850

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PMID: 36869309

Here is a structured comparison of Cothren et al. 2005 against modern (2018-2023) BCVI stenting data:

Cothren 2005 vs. Modern BCVI Stenting Outcomes

Key Metrics Side-by-Side

ParameterCothren et al. 2005Modern Era (2018-2023)
Stent occlusion rate45%Not commonly reported as a primary endpoint; largely replaced by stroke rate as outcome measure
Complication rate21%3-10% in contemporary series (highly variable by center)
Stenting utilizationHigh - reflexive stenting commonDramatically reduced; ~9-19% of BCVI patients in recent cohorts
BCVI-related stroke rateBenchmark comparator~4-5% regardless of stenting vs. anticoagulation alone
Primary managementEndovascularAntithrombotic therapy (heparin/aspirin) for most injuries

What Changed - and Why

1. Stenting use fell sharply
The most striking modern finding comes from Shahan et al. 2018 (PMID 29370049), a direct institutional comparison at a high-volume trauma center. Stenting dropped from 34% of BCVI patients (2011-2012) to only 8.9% (2013-2016) after a multidisciplinary team replaced interventional radiology as the primary decision-maker. Critically, the BCVI-related stroke rate did not change (3.9% vs. 4.2%). This strongly implies the high stenting rates of the Cothren era were not improving neurological outcomes.
2. Anticoagulation is now the default
Modern series (Barnes et al. 2023, PMID 36869309) report that 75% of BCVI patients are managed medically. Stents are largely reserved for symptomatic patients, expanding pseudoaneurysms, or those with high-grade (grade III-IV) lesions failing medical therapy.
3. Stent technology improved - but the trauma context remains uniquely hostile
Contemporary elective CAS in atherosclerotic patients (non-trauma population) achieves 30-day stroke/death rates of 1.4-1.6% and in-stent occlusion rates under 1% (European Registry of CAS). This gap versus Cothren's 45% occlusion rate likely reflects the trauma-specific environment: dissected, non-atherosclerotic vessel walls, perioperative coagulopathy, inconsistent antiplatelet therapy, and labile hemodynamics - all of which drive in-stent thrombosis at rates far exceeding elective CAS.
4. New techniques emerging but with limited data
A 2023 review (Kim et al., PMID 37760850) notes that flow diverters, covered stents, and coil embolization now offer alternatives for pseudoaneurysms, but comparative trauma data remain limited. Transcarotid artery revascularization (TCAR) has been reported in isolated BCVI cases but is still anecdotal.

Bottom Line

Cothren 2005 was not wrong - it accurately captured outcomes in an era of liberal stenting with first-generation devices and less rigorous antiplatelet protocols. What it did was help shift the field: the paper's alarming occlusion and complication rates contributed directly to the current consensus that stenting is the exception, not the rule, in BCVI management. Modern data validate that conclusion - stroke rates are comparable whether or not you stent, so the risk-benefit calculation favors anticoagulation alone for most lesions.
Stenting is still justified for pseudoaneurysms that are enlarging on serial imaging, high-grade injuries with luminal compromise causing symptoms, or patients with a contraindication to anticoagulation who have a lesion at stroke risk - but it should be a deliberate, selective choice rather than a default intervention.
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