Results 271 to 280 of about 1,626,042 (335)

Non‐Invasive Tumor Budding Evaluation and Correlation with Treatment Response in Bladder Cancer: A Multi‐Center Cohort Study

open access: yesAdvanced Science, EarlyView.
This study introduces a deep learning model that predicts tumor budding (TB) status in bladder cancer through the analysis of CT images. The model effectively identifies patients with high TB status, correlating with poorer prognosis and reduced responsiveness to neoadjuvant chemoimmunotherapy. This tool offers significant potential to inform prognosis
Xiaoyang Li   +21 more
wiley   +1 more source

Metal–Organic Frameworks: Unlocking New Frontiers in Cardiovascular Diagnosis and Therapy

open access: yesAdvanced Science, EarlyView.
Metal–organic frameworks (MOFs), are composed of metal ions and bridging organic ligands, are recognized as an excellent platform for host‐gust chemistry. Its rich structural composition, modifiable sites, and multilevel pore distribution can provide delivery and release of signaling molecules, probes, and therapeutic drugs, which exhibit great medical
Qilu Wu   +6 more
wiley   +1 more source
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Compensatory enlargement of human atherosclerotic coronary arteries.

New England Journal of Medicine, 1987
Whether human coronary arteries undergo compensatory enlargement in the presence of coronary disease has not been clarified. We studied histologic sections of the left main coronary artery in 136 hearts obtained at autopsy to determine whether ...
S. Glagov   +4 more
semanticscholar   +1 more source

Noninvasive transcranial Doppler ultrasound recording of flow velocity in basal cerebral arteries.

Journal of Neurosurgery, 1982
In this report the authors describe a noninvasive transcranial method of determining the flow velocities in the basal cerebral arteries. Placement of the probe of a range-gated ultrasound Doppler instrument in the temporal area just above the zygomatic ...
R. Aaslid, T. Markwalder, H. Nornes
semanticscholar   +1 more source

Paradoxical vasoconstriction induced by acetylcholine in atherosclerotic coronary arteries.

New England Journal of Medicine, 1986
Acetylcholine is believed to dilate normal blood vessels by promoting the release of a vasorelaxant substance from the endothelium (endothelium-derived relaxing factor).
P. Ludmer   +6 more
semanticscholar   +1 more source

Are the Hepatic Arteries "End Arteries"?

Investigative Radiology, 1991
Twenty-five autopsy livers were studied for intrahepatic arterial anastomoses. Under fluoroscopy, barium suspension at various concentrations, with or without latex, was injected into the hepatic artery. One-centimeter axial or coronal liver sections were radiographed with high-resolution mammographic technique. All films were reviewed.
Arnold Mm   +3 more
openaire   +3 more sources

Arterial cannulation of the innominate artery

The Annals of Thoracic Surgery, 2000
Arterial cannulation of the innominate artery for cardiopulmonary bypass offers the advantage of central cannulation with standard cannulating techniques when the ascending and arch aorta are unavailable (eg, redo, aortic dissection, aneurysms). It avoids the difficulties associated with a second incision (axillary artery cannulation) and retrograde ...
Michael K. Banbury, Delos M. Cosgrove
openaire   +3 more sources

Arterial hypertension

The Lancet, 2021
Arterial hypertension is the most important contributor to the global burden of disease; however, disease control remains poor. Although the diagnosis of hypertension is still based on office blood pressure, confirmation with out-of-office blood pressure measurements (ie, ambulatory or home monitoring) is strongly recommended.
Brouwers, Sofie   +3 more
openaire   +2 more sources

Functional arteries grown in vitro.

Science, 1999
A tissue engineering approach was developed to produce arbitrary lengths of vascular graft material from smooth muscle and endothelial cells that were derived from a biopsy of vascular tissue.
L. Niklason   +6 more
semanticscholar   +1 more source

Nitric oxide is responsible for flow-dependent dilatation of human peripheral conduit arteries in vivo.

Circulation, 1995
BACKGROUND Experimental evidence suggests that flow-dependent dilatation of conduit arteries is mediated by nitric oxide (NO) and/or prostacyclin. The present study was designed to assess whether NO or prostacyclin also contributes to flow-dependent ...
R. Joannidés   +6 more
semanticscholar   +1 more source

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