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https://www.readbyqxmd.com/read/29691271/unusual-congenital-coronary-artery-anomaly-in-a-young-adult-presenting-as-sudden-cardiac-arrest
#1
Manuel Cortes, Carlos A Roldan, Stacey Clegg
A previously asymptomatic young female with no previous medical or cardiac history collapsed during indoor exercise. A portable automatic external defibrillator showed a shockable rhythm. She received multiple electrical shocks with return to normal sinus rhythm without ischaemic ECG changes. Her troponin level was mildly elevated. A transthoracic echocardiogram revealed moderately reduced left ventricular ejection fraction with global hypokinesis. During emergent coronary angiography, the left main coronary artery could not be found...
April 24, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29690973/percutaneous-non-stenting-approach-for-distal-simultaneous-multivessel-acute-coronary-occlusions
#2
Muhammad Nasir Rahman, Bilal Hussain
The occurrence of distal coronary lesions causing simultaneous occlusion of two coronary arteries in the setting of ST elevation myocardial infarction is a rare occurrence. This can occur due to simultaneous plaque rupture at more than one site or embolisation in coronary arteries. We describe a case of a middle-aged man who presented with acute inferoposterior lateral wall ST elevation myocardial infarction with simultaneous occlusion of distal left anterior descending artery and distal left circumflex artery on angiogram...
May 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29689641/inducing-different-brain-injury-levels-using-shock-wave-lithotripsy
#3
Afshin A Divani, Pascal Salazar, Manoj Monga, Greg J Beilman, Karen S SantaCruz
OBJECTIVES: To assess the feasibility of inducing different severities of shock wave (SW)-induced traumatic brain injury (TBI) using lithotripsy. METHODS: Wistar rats (n = 36) were divided into 2 groups: group 1 (n = 20) received 5 SW pulses, and group 2 (n = 16) received 15 SWs pulses. The SW pulses were delivered to the right side of the frontal cortex. Neurologic and behavioral assessments (Garcia test, beam walking, rotarod, and elevated plus maze) were performed at the baseline and at 3, 6, 24, 72, and 168 hours after injury...
April 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29689403/delayed-cerebral-ischemia-and-vasospasm-after-spontaneous-angiogram-negative-subarachnoid-hemorrhage-an-updated-meta-analysis
#4
Si Un Lee, Eun Pyo Hong, Bong Jun Kim, Sung-Eun Kim, Jin Pyeong Jeon
OBJECT: To provide an update on the clinical outcomes such as delayed cerebral ischemia (DCI) and vasospasm in angiogram-negative subarachnoid hemorrhage (SAH), according to hemorrhage patterns, perimesencephalic SAH (PMH) and non-PMH. METHODS: Online databases from January 1990 to December 2017 were systematically reviewed. A fixed-effect model was used to control heterogeneity. To resolve publication bias, the trim and fill method was used to estimate the number of missing studies and adjusted odds ratio (OR)...
April 21, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29687263/a-stepwise-embolization-strategy-for-a-bronchial-arterial-aneurysm-proximal-coil-and-distal-glue-with-the-optional-use-of-a-microballoon-occlusion-system
#5
Takahiko Mine, Tomohiro Matsumoto, Toshihiko Hayashi, Kosuke Tomita, Kimihiko Masuda, Masahiro Kawashima, Fumio Sakamaki, Terumitsu Hasebe
PURPOSE: This study aimed to demonstrate a transcatheter embolization strategy for bronchial artery aneurysms (BAAs) using coils for the proximal lesion and glue (n-butyl-2-cyanoacrylate [NBCA]) embolization for the distal lesion with or without the use of a microballoon occlusion catheter. MATERIALS AND METHODS: Five patients with BAAs presenting with hemoptysis were enrolled in this study. A bronchial angiogram indicated a mediastinal BAA near the orifice, accompanied by dilated distal branches with or without intrapulmonary BAA...
April 23, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29686924/anomalous-right-subclavian-artery-esophageal-fistulae
#6
Courtney Brooke Shires, Michael J Rohrer
An aberrant right subclavian artery (ARSA) is the most common aortic arch anomaly, but only 19 previous cases of ARSA-esophageal fistula have been reported. Six patients have survived their bleeding episode. We describe the case of a 44-year-old woman who developed massive hemoptysis. Laryngoscopy, bronchoscopy, head and neck angiogram, and median sternotomy did not reveal what was presumed initially to be a tracheoinnominate fistula. Contrasted CT showed an anomalous subclavian artery posterior to the esophagus...
2018: Case Reports in Vascular Medicine
https://www.readbyqxmd.com/read/29685699/the-crac-cohort-model-a-computerized-low-cost-registry-of-interventional-cardiology-with-daily-update-and-long-term-follow-up
#7
G Rangé, S Chassaing, P Marcollet, C Saint-Étienne, P Dequenne, M Goralski, P Bardiére, F Beverilli, L Godillon, B Sabine, C Laure, S Gautier, R Hakim, F Albert, D Angoulvant, L Grammatico-Guillon
OBJECTIVES: To assess the reliability and low cost of a computerized interventional cardiology (IC) registry to prospectively and systematically collect high-quality data for all consecutive coronary patients referred for coronary angiogram or/and coronary angioplasty. BACKGROUND: Rigorous clinical practice assessment is a key factor to improve prognosis in IC. A prospective and permanent registry could achieve this goal but, presumably, at high cost and low level of data quality...
April 20, 2018: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/29685360/incidental-lad-stenosis-identified-on-non-gated-chest-cta
#8
Nicholas Chan, Brian M Yuen, Ji Yang, Stuart L Cohen, Loukas Boutis, John N Makaryus
A 57-year-old male former smoker presented to the Emergency Department (ED) with blurry vision, headache, and generalized weakness. He was hypoxic on room air and ECG showed sinus tachycardia. A CT pulmonary angiogram was ordered in the ED and revealed no pulmonary embolism but incidentally noted a likely significant stenosis in the proximal LAD. Subsequent cardiac catheterization revealed a 90% stenotic lesion with percutaneous coronary intervention leading to symptom resolution. Unlike coronary CTA, CTPA is performed with non-ECG gated helical scanning and generates motion artifacts associated with myocardial contraction...
April 14, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29685020/ability-of-computed-tomography-to-predict-right-heart-strain-on-an-echocardiogram-in-patients-with-acute-pulmonary-embolus
#9
A Shams, J Hung, A Bahl
Patients with submassive pulmonary embolism (PE) resulting in right heart strain (RHS) have an increased risk of mortality compared to those with a preserved right ventricular function. This study aimed to investigate the predictive value of computed tomography pulmonary angiogram (CTPA) findings of right heart strain in patients with computed tomography (CT)-proven PE for the diagnosis of right heart strain by echocardiogram (ECHO). The institutional review board (IRB) approved retrospective chart review of the adult emergency department patients diagnosed with an acute PE between 2012 and 2016...
March 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29683983/fluorescein-angiography-indications-changes-after-optical-coherence-tomography-and-antiangiogenics
#10
Sonia C Labrador-Velandia, María R Sanabria
SIGNIFICANCE: The present study provides quantitative data regarding the change of indications of fluorescein angiography in a tertiary hospital. Exhaustively compiled data over more than 10 years concerning all the angiographic studies including diagnosis, first-visit/follow-up, possible relation with antiangiogenics approval, and optic coherence tomography (OCT) are presented. PURPOSE: The aim of this study was to determine the frequency and indications of fluorescein angiography before and after OCT and anti-vascular endothelial growth factor (anti-VEGF) treatment implantation...
April 20, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29683197/contrast-enhanced-transoral-carotid-ultrasonography-for-the-evaluation-of-plaque-protrusion-after-carotid-artery-stenting
#11
Yuta Hagiwara, Tomohide Yoshie, Takahiro Shimizu, Takayuki Fukano, Tatsuro Takada, Toshihiro Ueda, Yasuhiro Hasegawa
A 67 year-old man was admitted to our hospital because of mild left hemiparesis and was diagnosed with cerebral infarction caused by right internal carotid artery stenosis. He was treated with dual antiplatelet therapy and scheduled for carotid artery stenting 14 days after onset. The preoperative right carotid angiogram showed 60% stenosis by the NASCET criteria, with an ulcer. The postoperative angiogram suggested protrusion in the stent, which could not be seen on conventional carotid ultrasonography because of its high location...
April 23, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29682358/acute-pericarditis-occurring-three-days-after-intravesical-instillation-of-mitomycin-c-after-transurethral-bladder-tumor-resection-in-a-64-year-old-woman
#12
Vineet Meghrajani, Arsalan Hashmi, Shuo Cheng Lin, Zvi Plawes, Shelly Brejt
We present a 64-year-old woman who developed symptoms of acute pericarditis three days after undergoing intravesical instillation of mitomycin C following transurethral bladder tumor resection. Mitomycin C is a chemotherapeutic agent which acts by alkylation of DNA and is known to be cardiotoxic when systemically administered. Despite classic pericarditis symptoms, the patient underwent an urgent coronary angiogram due to elevated cardiac troponin I level, EKG changes, and wall motion abnormalities on her echocardiogram...
2018: Case Reports in Cardiology
https://www.readbyqxmd.com/read/29680674/multifunctional-hybrid-nanoconstruct-of-zerovalent-iron-and-carbon-dots-for-magnetic-resonance-angiography-and-optical-imaging-an-in-vivo-study
#13
N Nimi, Ariya Saraswathy, Shaiju S Nazeer, Nimmi Francis, Sachin J Shenoy, Ramapurath S Jayasree
In magnetic resonance imaging (MRI), gadolinium (Gd) complexes are very often used as contrast agents to enhance the signal from soft tissue deformities and vascular anomalies, to improve the accuracy of diagnosis. The safety concern of using Gd complexes in renally compromised patients pose limitations on its application. To overcome this scenario, we introduce a nontoxic zerovalent iron based nanoparticle as a novel contrast agent for MR angiography and a hybrid version of the same to serve as a dual function contrast agent for targeted liver imaging...
April 10, 2018: Biomaterials
https://www.readbyqxmd.com/read/29680517/a-study-of-difference-in-serum-25-hydroxyvitamin-d-concentrations-in-patients-with-angiographically-defined-coronary-disease-and-healthy-subjects
#14
Haleh Rokni, Mohsen Moohebati, Maryam Saberi-Karimian, Seyed Reza Mirhafez, Hamideh Ghazizadeh, Atieh Laal-Vazifeh, Maryam Shekari, Faezeh Movahhedianfar, Mohsen Mazidi, Shokoufeh Bonakdaran, Gordon A Ferns, Majid Ghayour-Mobarhan
BACKGROUND: Cardiovascular disease (CVD) is one of the most important causes of death in developing countries. The current study evaluates the serum 25-hydroxyvitamin D (25OHD), phosphate and calcium levels in patients with angiographically-defined coronary artery disease (CAD) and healthy subjects in a sample population in northeastern Iran. METHODS: There were 566 subjects aged between 20-80 years out of whom283 subjects with CAD were divided into two study groups based on their angiogram results; those with > 50% stenosis of one or more coronary arteries and those with ≤ 50% stenosis...
April 12, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29678783/safety-and-efficacy-of-stereotactic-radioablation-targeting-pulmonary-vein-tissues-in-an-experimental-model
#15
Paul C Zei, Doug Wong, Edward Gardner, Thomas Fogarty, Patrick Maguire
BACKGROUND: Stereotactic radioablation (SR), a commonly used therapy to treat malignancies, has been utilized to treat refractory ventricular tachycardia, but the feasibility of treating atrial fibrillation (AF) with SR is unknown. OBJECTIVE: We evaluated the safety and efficacy of SR targeting pulmonary vein (PV) antral tissues as potential therapy for AF. METHODS: Seventeen adult canines and two adult swine underwent surgical fiducial marker placement, 3D anatomic rendering CT angiogram of the left atrium (LA), and creation of a treatment plan targeting the right superior pulmonary veins (RSPVs)...
April 17, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29678310/grossly-abnormal-ventilation-perfusion-spect-study-in-idiopathic-pulmonary-arterial-hypertension-without-thromboembolism
#16
Kenneth Chan, John G Coghlan, Margaret Hall, Jamanda Haddock, Alan Bates, Benjamin E Schreiber
Pulmonary hypertension is a serious condition with multiple underlying aetiologies which require different treatment strategies. We present a case of severe idiopathic pulmonary arterial hypertension in a 20-year-old patient with ongoing breathlessness. She was initially diagnosed with asthma and panic attacks in community care. As the symptoms became progressively worse, she was referred for pulmonary hypertension clinic assessment. Ventilation/perfusion single-photon emission computed tomography (V/Q SPECT) showed grossly abnormal perfusion defects which were mismatched to the ventilation scan, suggestive of chronic thromboembolic disease...
January 31, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29674397/massive-haemoptysis-secondary-to-mycotic-pulmonary-artery-aneurysm-in-subacute-invasive-aspergillosis
#17
Shahbaz Piracha, Asad Mahmood, Noman Qayyum, Muhammad Badar Ganaie
A 68-year-old man, presented with 3 week history of infective symptoms and mild haemoptysis. Past medical history included severe emphysema and a chronic right upper lobe (RUL) cavity. He was discharged from follow-up a year ago in view of clinical and radiological stability; previous bronchoscopic examinations yielded no specific diagnosis. CT scan on admission confirmed complex cavitary consolidation of RUL. He developed massive haemoptysis requiring intubation and ventilation. CT pulmonary angiogram (CTPA) revealed 16 mm RUL pulmonary artery (PA) aneurysm which was successfully embolized...
April 19, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29673614/lacunar-stroke-cavernous-angioma-and-fusiform-aneurysm-due-to-irradiation-for-pilocytic-astrocytoma-a-case-report
#18
Maruyama Kunitaka, Takuya Akai, Naoki Akioka, Takahiro Tomita, Shoichi Nagai, Satoshi Kuroda
Radiotherapy is a useful modality for the treatment of brain tumors, but may induce brain degeneration, tumor formation, and vasculopathy in the irradiated field. We describe a rare case of a pediatric patient who presented multiple different types of vascular events consecutively in the irradiated field including lacunar stroke because of occlusion of perforating artery, intraventricular hemorrhage from cavernoma, and subarachnoid hemorrhage because of the rupture of fusiform aneurysm, 6 years after radiotherapy against pilocytic astrocytoma...
April 16, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29669372/-congenital-simple-hamartoma-of-the-retinal-pigment-epithelium
#19
Veit Sturm, Josef Guber, Marcio Silva, Jan Heckmann, Claudia Zawinka
BACKGROUND: Congenital simple hamartoma of the retinal pigment epithelium (CSHRPE) is an uncommon benign lesion with characteristic clinical features. Ophthalmoscopically it appears as a small localized, well circumscribed, pigmented tumor in the foveal region. In contrast to the more common flat congenital hypertrophy of the RPE the CSHRPE has an elevated nodular appearance. PATIENTS AND METHODS: Retrospective case series of three patients with CSHRPE. Clinical morphological features using different imaging techniques are presented...
April 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29666905/balloon-occluded-carbon-dioxide-gas-angiography-for-internal-iliac-arteriography-and-intervention
#20
Mitsuhiro Kishino, Shuichiro Nakaminato, Yoshio Kitazume, Naoyuki Miyasaka, Toshifumi Kudo, Yukihisa Saida, Ukihide Tateishi
INTRODUCTION: The usefulness of carbon dioxide (CO2 ) gas digital subtraction angiography (DSA) has been reported for patients with renal insufficiency and allergy to iodinated contrast agents. However, CO2 gas cannot replace the iodinated contrast agent in all cases owing to some disadvantages. We describe balloon-occluded CO2 DSA (B-CO2 DSA) as an improved CO2 DSA procedure for interventions in the internal iliac artery (IIA) region and compare the quality of images obtained using conventional CO2 DSA and B-CO2 DSA...
April 17, 2018: Cardiovascular and Interventional Radiology
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