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Intracardiac echocardiography

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https://www.readbyqxmd.com/read/28807509/-18-f-fdg-pet-ct-angiography-in-the-diagnosis-of-infective-endocarditis-and-cardiac-device-infection-in-adult-patients-with-congenital-heart-disease-and-prosthetic-material
#1
María N Pizzi, L Dos-Subirà, Albert Roque, Nuria Fernández-Hidalgo, Hug Cuéllar-Calabria, Antonia Pijuan Domènech, María T Gonzàlez-Alujas, M T Subirana-Domènech, B Miranda-Barrio, Ignacio Ferreira-González, Juan J González-López, Albert Igual, Olga Maisterra-Santos, David García-Dorado, Joan Castell-Conesa, Benito Almirante, Manuel Escobar Amores, Pilar Tornos, Santiago Aguadé-Bruix
OBJECTIVES: Infective endocarditis (IE) and cardiac device infection (CDI) are a major complication in the growing number of patients with congenital heart disease (CHD) reaching adulthood. We aimed to evaluate the added value of (18)F-FDG-PET/CT angiography (PET/CTA) in the diagnosis of IE-CDI in adults with CHD and intravascular or intracardiac prosthetic material, in whom echocardiography (ECHO) and modified Duke Criteria (DC) have limitations because of the patients' complex anatomy...
August 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28805031/-ice-or-not-to-ice-during-laao-what-are-the-benefits-and-disadvantages-of-ice-during-laao
#2
EDITORIAL
Wassim Shatila, Zvonimir Krajcer
For left atrial appendage occlusion (LAAO), intracardiac echocardiography (ICE) could be a safe alternative to transesophageal echocardiography (TEE). ICE obviates the need for general anesthesia and can be readily implemented in practice. Randomized controlled trials are needed to assess the noninferiority of ICE to TEE for LAAO.
August 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28781880/acute-aortic-occlusion-due-to-tumor-embolism-in-a-patient-with-lung-malignancy
#3
Stella Lioudaki, Nikolaos Kontopodis, Stefanos Palioudakis, Anastasios V Koutsopoulos, Ioannis Drositis, Christos V Ioannou
OBJECTIVES: Acute lower limb ischemia caused by tumor embolization is rare, despite the fact that cancer is a common cause of hypercoagulability predisposing to venous thrombosis. Arterial embolization is mostly associated with intracardiac tumors while lung malignancies are the second most common cause of tumor embolism. METHODS: In this report, we present a male patient who developed acute bilateral lower limb ischemia in the immediate postoperative period after a thoracotomy for attempted left upper lobe resection for lung cancer...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28758062/left-ventricular-outflow-tract-thrombus-in-a-child-with-dilated-cardiomyopathy-an-atypical-location
#4
Mohammed Baba Abdulkadir, Olayinka Rasheed Ibrahim, Folake Moriliat Afolayan, Olanrewaju Timothy Adedoyin
Dilated cardiomyopathy (DCM) may be associated with formation of intracardiac thrombi which may embolize and result in life-threatening complications. We present a 19-month-old female child with DCM who presented with a right hemispheric cerebrovascular accident. Urgent echocardiography revealed poor left ventricular systolic function and a thrombus attached to the interventricular septum along the left ventricular outflow tract. There was resolution of the thrombus following the use of warfarin.
July 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28723765/perioperative-management-of-intracardiac-leiomyomatosis-an-observational-cohort-study
#5
Jiaying Xu, Min Wei, Qi Miao, Bin Zhu, Chunhua Yu, Yuguang Huang
Intracardiac leiomyomatosis (ICLM) is a rare condition in which the benign tumor extends into the right heart chambers through inferior vena cava. The best surgical approach still remains unclear.We present a retrospective cohort of 36 patients diagnosed with ICLM in Peking Union Medical College Hospital between 2002 and 2016.The mean patient age was 44.5 (range 25-55) years. The clinical manifestations were various, including shortness of breath, chest tightness, edema of the lower extremities, palpitations, syncope, etc...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722763/isolated-drainage-of-right-superior-vena-cava-into-left-atrium-a%C3%A2-rare-etiology-of-childhood-central-cyanosis
#6
Shaimaa Rakha, Mohamed-Magdy Abuelkheir, Mohamed-Adel F Elgamal
Isolated right superior vena cava drainage into the left atrium (RSVC-LA) is an extremely rare anomaly in the absence of other cardiac or extracardiac abnormalities. The clinical and echocardiographic diagnosis is considered challenging. We report a female infant with cyanosis on crying who was diagnosed as isolated RSVC-LA using conventional and contrast echocardiography, but further confirmation was possible via multidetector CT. The surgical correction was performed with smooth postoperative recovery. In conclusion, isolated RSVC-LA must be in the differential diagnosis of cyanosis in the absence of intracardiac anomalies...
July 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28705019/a-rare-case-of-pediatric-primary-cardiac-tumor-in-a-patient-with-down-syndrome
#7
Kimiaki Okada, Ayumu Masuoka, Kentaro Hotoda, Yoshimasa Uno, Takaaki Suzuki
Although hematological malignancies are a known complication of Down syndrome, few reports have described cases involving solid tumors. We describe the case of a 3-year-old Down syndrome girl with a primary solid cardiac tumor. Outpatient echocardiography after intracardiac repair of a ventricular septal defect at 6 months of age revealed a highly mobile pedunculated mass (8 × 9 mm) on the free wall of the right atrium. Due to potential incarceration of the mass in the tricuspid orifice, it was excised under extracorporeal circulation and cardiac arrest...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28695443/3d-experimental-and-computational-analysis-of-eccentric-mitral-regurgitant-jets-in-a-mock-imaging-heart-chamber
#8
Yifan Wang, Annalisa Quaini, Sunčica Čanić, Marija Vukicevic, Stephen H Little
Mitral valve regurgitation (MR) is a disorder of the heart in which the mitral valve does not close properly. This causes an abnormal leaking of blood backwards from the left ventricle into the left atrium during the systolic contractions of the left ventricle. Noninvasive assessment of MR using echocardiography is an ongoing challenge. In particular, a major problem are eccentric or Coanda regurgitant jets which hug the walls of the left atrium and appear smaller in the color Doppler image of regurgitant flow...
July 10, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28677887/inferior-lead-discordance-in-ventricular-arrhythmias-a-specific-marker-for-certain-arrhythmia-locations
#9
Andres Enriquez, Rajeev K Pathak, Pasquale Santangeli, Jackson Jeikai Liang, Mohammed Al Rawahi, Tatsuya Hayashi, Danielle Muser, David S Frankel, Gregory Supple, Robert Schaller, David Lin, Saman Nazarian, Erica Zado, Francis E Marchlinski, Fermin C Garcia
BACKGROUND: Most idiopathic ventricular arrhythmias (VAs) originate from the outflow tracts and are characterized by an inferior axis on the 12-lead ECG. A group of patients will exhibit inferior lead discordance (ILD), demonstrating a positive QRS in lead II with negative QRS in III or the opposite finding. METHODS AND RESULTS: We identified patients undergoing ablation of idiopathic premature ventricular contractions (PVCs) or ventricular tachycardia (VT) between 2013 and 2015...
July 5, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28662693/transesophageal-vs-intracardiac-echocardiographic-screening-in-patients-undergoing-atrial-fibrillation-ablation-with-uninterrupted-rivaroxaban
#10
A Tsyganov, A Shapieva, V Sandrikov, S Fedulova, S Mironovich, A Dzeranova, E Lyan
BACKGROUND: Patients with atrial fibrillation (AF) routinely undergo different imaging modalities for the evaluation of the left atrial (LA) appendage to rule out thrombus prior to the AF ablation procedure. Recently, uninterrupted novel oral anticoagulants were introduced for patients undergoing atrial fibrillation (AF) ablation to minimize the peri-procedural thromboembolism risk. We performed a retrospective analysis to evaluate the safety of uninterrupted rivaroxaban and whether transesophageal (TEE) or intracardiac echocardiography (ICE) is necessary for patients undergoing AF ablation...
June 29, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28651809/interventional-cardiology-what-s-new
#11
REVIEW
Brian A Scansen
Interventional cardiology in veterinary medicine continues to expand beyond the standard 3 procedures of patent ductus arteriosus occlusion, balloon pulmonary valvuloplasty, and transvenous pacing. Opportunities for fellowship training; advances in equipment, including high-resolution digital fluoroscopy, real-time 3-dimensional transesophageal echocardiography, fusion imaging, and rotational angiography; ultrasound-guided access and vascular closure devices; and refinement of techniques, including cutting and high-pressure ballooning, intracardiac and intravascular stent implantation, septal defect occlusion, transcatheter valve implantation, and hybrid approaches, are likely to transform the field over the next decade...
June 23, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28649955/transcatheter-tricuspid-valve-repair-with-mitraclip-system-using-intracardiac-echocardiography-proof-of-concept
#12
Alberto Pozzoli, Maurizio Taramasso, Michel Zuber, Francesco Maisano
No abstract text is available yet for this article.
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28648432/importance-of-the-heart-borders-as-a-fluoroscopic-clue-for-cardiac-tamponade
#13
Halil Lutfi Kisacik, Sefa Unal, Burak Acar, Hande Cetin, Ozcan Ozeke
Every catheter laboratory is equipped with an X-ray system designed to provide fluoroscopic imaging of the heart. Although cardiac catheters are well visualized in all X-ray imaging, the soft tissue of myocardium is not. Therefore the imaging of the cardiac chambers is indirect through relation to the cardiac silhouette. However, fluoroscopy can be used to detect complications from the invasive procedures in the cardiac catheterization laboratory, such as cardiac tamponade where the excursion of the cardiac silhouette decreases, and visceral and parietal pericardium are seen separated by the blood of accumulation in the pericardial cavity...
May 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28645796/preclinical-testing-of-frequency-tunable-capacitive-micromachined-ultrasonic-transducer-probe-prototypes
#14
Martin Pekař, Alexander F Kolen, Harm Belt, Frank van Heesch, Nenad Mihajlović, Imo E Hoefer, Tamas Szili-Török, Hendrik J Vos, Johan G Bosch, Gijs van Soest, Antonius F W van der Steen
In intracardiac echocardiography (ICE) it may be beneficial to generate ultrasound images acquired at multiple frequencies, having the possibility of high penetration or high-resolution imaging in a single device. The objective of the presented work is to test two frequency-tunable probe prototypes in a preclinical setting: a rigid probe having a diameter of 11 mm and a new flexible and steerable 12-Fr ICE catheter. Both probes feature a forward-looking 32-element capacitive micromachined ultrasonic transducer array (aperture of 2 × 2 mm(2)) operated in collapse mode, which allows for frequency tuning in the 6-MHz-18-MHz range...
June 20, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28631704/-beh%C3%A3-et-s-disease-intracardiac-thrombosis-a-description-of-two-cases-and-a-review-of-literature
#15
Z S Alekberova, P S Ovcharov, T A Lisitsyna, A V Volkov, T V Popkova
Behçet's disease (BD) is systemic vasculitis of unknown etiology, which is more common in the countries located along the Great Silk Road. The disease is diagnosed if a patient has 4 key diagnostic signs: aphthous stomatitis, genital sores, and eye and skin lesions. Vascular diseases referred to as minor criteria for BD are characterized by the formation of aneurysms and thrombosis, predominantly in the venous bed. In venous disorders, a blood clot can form in any vessel, including caval, cerebral, pulmonary, and other veins...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28607569/huge-mass-in-right-side-of-the-heart-a-rare-case-report
#16
Reza Ghasemi, Fahimeh Ghanei-Motlagh, Susan Nazari, Mohsen Yaghubi
BACKGROUND: The presence of primary intracardiac tumors are scarce, and most of them are myxomas. We reported, in this paper, a case with huge mass in the right side of the heart. CASE REPORT: A 45-year-old man, with a complaint of bilateral lower limbs edema and exertional dyspnea, was admitted to intensive cardiac care unit. Cardiac auscultation revealed soft grade systolic murmur without any evidence of "tumor plop." Echocardiography showed a huge mobile mass in right side of the heart that suggested myxoma...
November 2016: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/28605430/intravenous-retro-uterine-echographic-surveillance-of-the-foetus-during-surgical-thrombectomy-for-life-threatening-pulmonary-thromboembolism
#17
Shin Yajima, Shunsuke Saito, Koichi Toda, Yoshiki Sawa
Pulmonary thromboembolism is a life-threatening disease, particularly during pregnancy. We report a case of successful cardiopulmonary resuscitation followed by surgical thrombectomy in a 35-year-old woman at 28 weeks of gestation. Intracardiac echocardiography was percutaneously located behind the uterus, and greatly assisted monitoring of the foetal condition and haemodynamic status.
June 12, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28595853/acoustically-active-catheter-for-intracardiac-navigation-by-color-doppler-ultrasonography
#18
Minako Katayama, David Zarbatany, Stephen S Cha, Mostafa Fatemi, Marek Belohlavek
Navigation of intracardiac catheters by echocardiography is challenging because of the fundamental limitations of B-mode ultrasonography. We describe a catheter fitted with a piezoelectric crystal, which vibrates and produces an instantaneous marker in color flow Doppler scans. The navigation learning curve was explored first in six pigs. Accuracy and precision of targeting with the navigation marker "off" (i.e., B-mode imaging) and "on" were assessed in another six pigs. Paired comparisons confirmed significantly (p = 0...
September 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28584587/anomalous-left-sided-superior-vena-cava-with-cephalad-flow
#19
Gautam V Ramani, Christopher Deible, Angel López-Candales
The case of a 24-year-old male with complaints of migraine headaches was referred for echocardiography. The rest of medical history was unremarkable. Agitated saline contrast bubble study showed evidence of a right to left intracardiac shunt, probably secondary to a patent foramen ovale. Results of a transesophageal echocardiogram suggested the possibility of an anomalous venous circulation and eventually identified as anomalous left-sided superior vena cava with cardiac magnetic resonance imaging.
January 2017: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28577847/short-term-and-midterm-follow-up-of-transthoracic-device-closure-of-atrial-septal-defect-in-infants
#20
Qiang Chen, Hua Cao, Gui-Can Zhang, Liang-Wan Chen, Fan Xu, Jia-Xin Zhang
BACKGROUND: The purpose of this study was to outline the safety and feasibility of transthoracic device closure of an atrial septal defect (ASD) with a domestic occluder in infants. METHODS: Sixty-eight infants underwent transthoracic device closure of an ASD at Union Hospital, Fujian Medical University, Fuzhou, China from January 2010 to January 2015. All relevant clinical data were recorded and analyzed. All patients were invited to undergo contrast transthoracic echocardiography for 12 to 60 months after ASD closure, and telephone interviews were conducted with the infants' parents to evaluate the patients' clinical status further...
June 1, 2017: Annals of Thoracic Surgery
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