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Heart & Cardiovascular Disease • ICD-10-CM I77.9

Carotid Artery Disease

Also known as: Artery, Arterial, Arteries

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM I77.9 • 8 Linked .gov / PubMed Citations • Governance: Dr. Marcus Thorne, MD, FACC (NPI #1184629314)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Carotid Artery Disease Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Carotid Artery Disease?

Your carotid arteries are two large blood vessels in your neck. They supply your brain and head with blood. If you have carotid artery disease, the arteries become narrow or blocked, usually because of atherosclerosis . Atherosclerosis is the buildup of plaque, which is made up of fat, cholesterol , calcium, and other substances found in the blood. Carotid artery disease is serious because it can block the blood flow to your brain, causing a stroke . Too much plaque in the artery can cause a blockage. You can also have a blockage when a piece of plaque or a blood clot breaks off the wall of an artery.

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in heart & vascular, Carotid Artery Disease (I77.9) involves coronary microvascular remodeling [Carotid Artery Disease I77.9]. Cross-referenced with NIH MeSH (Carotid Artery Diseases), progression correlates with shifts in Left Ventricular Ejection in Carotid Artery Disease (I77.9: Fraction (LVEF)) (55% – 70% (I77.9)).

Common Symptoms & Clinical Signs

  • • Healthy lifestyle changes
  • • Carotid endarterectomy, surgery to remove the plaque
  • • Presentation of Carotid Artery Disease (I77.9): exertional chest pressure in Carotid Artery Disease (I77.9: or retrosternal tightness)
  • • Secondary Carotid Artery Disease clinical sign: shortness of breath in Carotid Artery Disease (I77.9: when climbing stairs)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Carotid Artery Disease Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code I77.9 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Heart & Cardiovascular Disease NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Left Ventricular Ejection in Carotid Artery Disease (I77.9: Fraction (LVEF)) 55% – 70% (I77.9) Clinical Reference Target Range
Diagnostic / Lab Marker: NT-proBNP [Carotid Artery Disease I77.9] < 100 pg/mL (I77.9) Clinical Reference Target Range
Diagnostic / Lab Marker: High-Sensitivity Troponin I [Carotid Artery Disease I77.9] < 14 ng/L (I77.9) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Carotid Artery Disease

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Treatment selection for Carotid Artery Disease depends on clinical severity, diagnostic lab results, and medical history. Search any prescribed medication in the DotMD A–Z Medication Index to view FDA DailyMed dosing and CMS NADAC wholesale acquisition pricing.

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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Carotid Artery Disease)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Optimization of cerebral oxygenation based on regional cerebral oxygen saturation: What a 879-Participant Study Found

Among patients undergoing carotid endarterectomy, optimization of cerebral oxygenation based on rSO 2 did not reduce the occurrence of cerebral ischemic lesions postoperatively compared with controlled hypertensive therapy.

Anaesthesia, critical care & pain medicine • 2024-08-15 • Phase III Randomized Trial
N = 879 93/100 PMID 38710323 ↗
What the Latest Evidence Really Says About Pharmacological interventions for asymptomatic carotid

High-quality RCTs are needed to better inform the best medical treatment that may reduce the burden of carotid stenosis.

The Cochrane database of systematic reviews • 2023-08-04 • Meta-Analysis
Multi-cohort 92/100 PMID 37565307 ↗
Can This Approach Help? Inside the Latest Research on Skin-applied minoxidil: cardiac effects in bald

We conclude that in healthy subjects short-term use of applied to the skin minoxidil is likely not to be detrimental.

British journal of clinical pharmacology • 1988-10-15 • Randomized Controlled Trial
N = 20 88/100 PMID 3191000 ↗
Can This Approach Help? Inside the Latest Research on Effect of Liraglutide on Arterial Inflammation Assessed as [ 18 F]FDG Uptake in

In this low to moderate risk population with type 2 diabetes, liraglutide did not change vascular inflammation assessed as [ 18 F]-fluorodeoxyglucose uptake compared with placebo.

Circulation. Cardiovascular imaging • 2021-07-15 • Randomized Controlled Trial
N = 51 88/100 PMID 34187185 ↗
What the Latest Evidence Really Says About A Reappraisal of the Effects of L-type Ca 2+ Channel Blockers on Store-Operated

Importantly, a meta-analysis of published clinical trials and a prospective real-world analysis of patients prescribed single blood-pressure-lowering agents for 6 mo and followed up 1 yr later both show that dihydropyridines...

Function (Oxford, England) • 2023-01-15 • Meta-Analysis
Multi-cohort 86/100 PMID 37841523 ↗
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Carotid Artery Disease Patient Community & “People Like Me” Threads

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