Results 11 to 20 of about 866,631 (263)

Contrast echocardiography with a physiological contrast agent for alcohol septal ablation [PDF]

Frontiers in Cardiovascular Medicine
PurposeMyocardial contrast echocardiography in alcohol septal ablation (ASA) is critical prior to alcohol injection into the target septal artery branch.
Erdogan Ilkay, Yasemin Saglam, Ersin Saricam, Bilge Duran Karaduman, Fehmi Kacmaz, Fehmi Kacmaz, Aysel Yakici, Cigdem Koca, Melike Polat, Zeynep Seyma Turinay, Mehmet Akif Erdol   +10 more
doaj   +2 more sources

Microbubble Contrast Agent Use During Invasive Coronary Microvascular Assessment [PDF]

Journal of the Society for Cardiovascular Angiography & Interventions
Background: Coronary microvascular function assessment with invasive Doppler-derived coronary flow reserve (CFR) has challenges related to Doppler signal quality, limiting clinical adoption.
Rahul Bahl, MBBS, BSc, Samay Mehta, MBChB, BSc, Henry Seligman, MBBS, PhD, Christopher A. Rajkumar, MBBS, Suraya Gafore, MBBS, BSc, Sayan Sen, MBBS, PhD, Sukhjinder S. Nijjer, MBChB, PhD, Rasha Al-Lamee, MBBS, PhD, Daniel Chamié, MD, PhD, Daniel Bandeira, MD, Xiaowei Zhou, PhD, Matthew Shun Shin, BM BCh, PhD, Meng-Xing Tang, PhD, Ricardo Petraco, MD, PhD   +13 more
doaj   +2 more sources

L-EGCG-Mn nanoparticles as a pH-sensitive MRI contrast agent

Drug Delivery, 2021
This study aimed to synthesize and characterize L-epigallocatechin gallate (EGCG) complexed Mn2+ nanoparticle (L-EGCG-Mn), a proof-of-concept pH-sensitive manganese core nanoparticle (NP), and compare its magnetic resonance (MR) properties with those of ...
Jiali Li, Xue Jiang, Lihuan Shang, Zhen Li, Conglian Yang, Yan Luo, Daoyu Hu, Yaqi Shen, Zhiping Zhang   +8 more
doaj   +1 more source

Ultrasound microbubble contrast agent – carried chemotherapeutic drug microbubbles [PDF]

E3S Web of Conferences, 2019
With the continuous research and development of ultrasound microbubble contrast agent-carried chemotherapeutic drug microbubbles, ultrasound microbubble contrast agent not only facilitates the early detection and early diagnosis of tumors but also ...
Song Junyang
doaj   +1 more source

Nano-Sized Ultrasound Contrast Agent: Salting-Out Method

Molecular Imaging, 2010
Tumor imaging by ultrasound is greatly enhanced by the use of ultrasound contrast agents (UCAs), stabilized, gas-filled bodies. They are generally less than 7 μm to pass freely through the capillary bed.
Margaret A. Wheatley, John Lewandowski
doaj   +1 more source

Targeted Contrast Agents for Molecular MRI

Inorganics, 2018
Molecular magnetic resonance imaging (MRI) provides information non-invasively at cellular and molecular levels, for both early diagnosis and monitoring therapeutic follow-up.
Sara Lacerda
doaj   +1 more source

Contrast agent nephropathy [PDF]

European Heart Journal, 2004
Dear Sir The meta-analysis in the Lancet 23 August 20031 concluded that acetylcysteine significantly reduces …
Peter, Nicol, Christian, Axelson
openaire   +2 more sources

Mesoporous Silica Nanoparticles with Co-Condensed Gadolinium Chelates for Multimodal Imaging

Nanomaterials, 2011
Several mesoporous silica nanoparticle (MSN) contrast agents have been synthesized using a co-condensation method to incorporate two different Gd3+ complexes at very high loadings (15.5–28.8 wt %).
Wenbin Lin, Joseph Della Rocca, Kathryn M. L. Taylor-Pashow   +2 more
doaj   +1 more source

The Effectiveness of Calcium Supplement as Orally Contrast Media for Gastric Magnetic Resonance Imaging

مجلة بغداد للعلوم
The objective of the present work aims to find an alternative oral contrast agent that could be used in magnetic resonance imaging (MRI) of the gastrointestinal system and satisfy the following criteria: it should be safe, it has no or few side effects,
Zainab Abdulla Mankhi , Khalid Ibrahim Riah, Ahmed Mehmood Abdul-Lettif   +2 more
doaj   +1 more source

Improved efficiency and diagnostic utility of inpatient transthoracic echocardiography following implementation of a sonographer-initiated perflutren-based contrast administration protocol

Cardiovascular Ultrasound, 2020
Background Up to 20% of resting echocardiograms obtained are suboptimal leading to further downstream testing and delays in diagnosis. Contrast enhanced echocardiography is well established and endorsed for use by the American Society of Echocardiography
Ryan Prentice, Homayoun Ahmadian, Dustin Thomas, Jeremy Berger, Rosco Gore   +4 more
doaj   +1 more source