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Condition: Hypertension
Procedure: Ultrasound

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Total 276 results found since Jan 2013.

Treatment with betablockers is associated with higher grey-scale median in carotid plaques
Conclusions: These results suggest the use of standardized ultrasound techniques as an important tool in evaluating the effect of anti-atherosclerotic medications and underline the need of.further prospective randomized studies on larger patient cohorts in order to confirm these results.
Source: BMC Cardiovascular Disorders - August 30, 2014 Category: Cardiology Authors: Giuseppe AsciuttoNuno DiasAna PerssonJan NilssonIsabel Gonçalves Source Type: research

Relationship Between Cerebral Blood Flow and Blood Pressure in Long-Term Heart Transplant Recipients Cerebral Blood Flow
Heart transplant recipients are at an increased risk for cerebral hemorrhage and ischemic stroke; yet, the exact mechanism for this derangement remains unclear. We hypothesized that alterations in cerebrovascular regulation is principally involved. To test this hypothesis, we studied cerebral pressure-flow dynamics in 8 clinically stable male heart transplant recipients (62±8 years of age and 9±7 years post transplant, mean±SD), 9 male age-matched controls (63±8 years), and 10 male donor controls (27±5 years). To increase blood pressure variability and improve assessment of the pressure-f...
Source: Hypertension - November 12, 2014 Category: Cardiology Authors: Smirl, J. D., Haykowsky, M. J., Nelson, M. D., Tzeng, Y.-C., Marsden, K. R., Jones, H., Ainslie, P. N. Tags: Doppler ultrasound, Transcranial Doppler etc. Cerebral Blood Flow Source Type: research

Cardiovascular responses to lead are biphasic, while methylmercury, but not inorganic mercury, monotonically increases blood pressure in rats.
Abstract Cardiovascular diseases, such as heart attack and stroke, are the major cause of death worldwide. It is well known that a high number of environmental and physiological risk factors contribute to the development of cardiovascular diseases. Although risk factors are additive, increased blood pressure (hypertension) is the greatest risk factor. Over the last two decades, a growing number of epidemiological studies associate environmental exposure to lead or mercury species with hypertension. However, cardiovascular effects beyond blood pressure are rarely studied and thresholds for effect not yet clear. To ...
Source: Toxicology - December 2, 2014 Category: Toxicology Authors: Wildemann TM, Mirhosseini N, Siciliano SD, Weber LP Tags: Toxicology Source Type: research

Symptomatic free-floating carotid thrombus extending to the skull base
A 58-year-old woman presented to the emergency department with progressive amaurosis fugax with a background of hypertension, hypercholesterolemia, and current smoking. Carotid duplex ultrasound demonstrated an 80%–99% stenosis at the origin of the right internal carotid artery (ICA). CT angiogram revealed a high-grade focal stenosis of the origin of the right ICA with a 7-cm free-floating thrombus (FFT) extending to the skull base (figure 1, video 1 at Neurology.org/cp). The incidence of FFT in patients undergoing carotid imaging has been reported as 0.05%–0.7%.1 It is more frequently reported in men than wome...
Source: Nature Clinical Practice - December 8, 2014 Category: Neurology Authors: Mees, B., Robinson, D., Fell, G., Chu, P. Tags: CT, Other cerebrovascular disease/ Stroke, Embolism, Infarction Cases Source Type: research

Endogenous Testosterone and its relationship to preclinical and clinical measures of cardiovascular disease in the Atherosclerosis Risk in Communities (ARIC) Study.
Conclusions: Low male plasma T is cross-sectionally associated with key CVD risk factors, but after adjustment there was no association with mean cIMT, incident cardiac events, or mortality. Our results are reassuring that neither high nor low T levels directly predict atherosclerosis, but are a marker for other cardiovascular risk factors. PMID: 25584720 [PubMed - as supplied by publisher]
Source: Diabetes Metab - January 13, 2015 Category: Endocrinology Authors: Srinath R, Hill Golden S, Carson KA, Dobs A Tags: J Clin Endocrinol Metab Source Type: research

What is the Remission Rate for Antithyroid Drug Treatment for Hyperthyroidism in Children?
Discussion The thyroid gland secrets two hormones – T4 which is a prohormone and T3 which is the biologically active hormone. Receptors for T3 are found in nearly all body tissues. T3 regulates metabolism and energy production. Organs most affected are the heart, liver and central nervous system as well as growth of the fetus and child. Hyperthyroidism is common with a prevalence rate of about 1-2% for women and 0.2% for men. The most common cause of thyrotoxicosis is Grave’s disease where autoantibodies to thyroid stimulating hormone (TSH) exist. These autoantibodies attach to thyroid tissue TSH receptors and...
Source: PediatricEducation.org - January 26, 2015 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

Duplex sonography for detection of deep vein thrombosis of upper extremities: a 13-year experience.
CONCLUSIONS. Upper-extremity deep vein thrombosis is uncommon among symptomatic Chinese population. The most common sign is swelling and the major risk factor for upper-extremity deep vein thrombosis identified in this study is malignancy. PMID: 25722467 [PubMed - as supplied by publisher]
Source: Hong Kong Med J - February 27, 2015 Category: Journals (General) Authors: Chung AS, Luk WH, Lo AX, Lo CF Tags: Hong Kong Med J Source Type: research

Diagnosis of an aortic valvular lesion
From the question on page 719 Clinical introduction A 59-year-old woman with hypertension presented with right-sided weakness and vision loss. Her vital signs were normal; cardiopulmonary exam was significant for a systolic and diastolic murmur. MRI of the brain showed multiple chronic bilateral infarctions, and Doppler ultrasound revealed acute left lower extremity deep vein thrombosis. Transthoracic echocardiography (TTE) to determine cardioembolic source of stroke was significant only for severe aortic valve regurgitation. To assess for cardiac vegetations, transoesophageal echocardiography (TEE) was performed (figure 1...
Source: Heart - April 9, 2015 Category: Cardiology Authors: Elboudwarej, O., Wei, J., Siegel, R. Tags: Drugs: cardiovascular system, Echocardiography, Image challenges, Hypertension, Venous thromboembolism, Aortic valve disease, Clinical diagnostic tests Source Type: research

Recurrent ischemic strokes and headaches originating from Lambl's excrescence (P2.273)
CONCLUSIONS: The association between recurrent strokes and late-age onset migraine with aura should raise clinical suspicion of a cardiogenic valvular etiology. Early TEE use is necessary to diagnose cardiac valvular strands like LE. LE associated with migraine headaches should prompt a treatment with anti-thrombotic agent. While anticoagulants and cardiothoracic surgery are indicated for recurrent strokes, a combined antiplatelet therapy was effective in our patient.Disclosure: Dr. Dumitrascu has nothing to disclose. Dr. Tsimerinov has nothing to disclose.
Source: Neurology - April 8, 2015 Category: Neurology Authors: Dumitrascu, O., Tsimerinov, E. Tags: Cerebrovascular Disease and Interventional Neurology: PFO and Other Cardiac Disease Source Type: research

Circulating Vascular Cell Adhesion Molecule-1 Is Associated With Cerebral Blood Flow Dysregulation, Mobility Impairment, and Falls in Older Adults Endothelium
Soluble vascular cell adhesion molecule-1 (sVCAM-1) is associated with hypertension, vascular inflammation, and systemic endothelial dysfunction. We evaluated whether elevated plasma sVCAM-1 is associated with impaired cerebrovascular function and mobility impairments in elderly people. We studied the cross-sectional relationships between plasma sVCAM-1 level, gait speed, and cerebrovascular hemodynamics, and its longitudinal relationship with falls in 680 community-dwelling participants aged ≥65 years in the Maintenance of Balance, Independent Living, Intellect, and Zest in the Elderly (MOBILIZE) Boston Study. Falls we...
Source: Hypertension - July 8, 2015 Category: Cardiology Authors: Tchalla, A. E., Wellenius, G. A., Travison, T. G., Gagnon, M., Iloputaife, I., Dantoine, T., Sorond, F. A., Lipsitz, L. A. Tags: Cerebrovascular disease/stroke, Pathophysiology Endothelium Source Type: research

Relationship of short-term blood pressure variability with carotid intima-media thickness in hypertensive patients
Conclusions: The results show that SBPV during daytime and 24 h had significant correlation with IMT, for the hypertensive subjects from the southern area of China. Moreover, we also found the daytime SBPV to be the best predictor for the progression of IMT in multivariate regression analysis. In addition, the present study suggests that the correlation between BPV and left common carotid artery—intima-media thickness/number of plaques is stronger than right common carotid artery-intima-media thickness/number of plaques.
Source: BioMedical Engineering OnLine - July 24, 2015 Category: Biomedical Engineering Authors: Yujie ChenHuahua XiongDan WuSandeep PirbhulalXiaohong TianRuiqin ZhangMinhua LuWanqing WuWenhua Huang Source Type: research

Upstream therapeutic strategies of Valsartan and Fluvastatin on Hypertensive patients with non-permanent Atrial Fibrillation (VF-HT-AF): study protocol for a randomized controlled trial
This study was designed to examine whether valsartan or fluvastatin can reduce the risk of non-permanent AF in patients with hypertension.Methods/designThe VF-HT-AF study is a multicenter, randomized, open-label, four-arm parallel group study with comparative evaluation of valsartan and fluvastatin as upstream therapies for the treatment of non-permanent AF complicated by hypertension. The primary outcome measure is change in the development of paroxysmal AF into persistent or permanent AF, the development of persistent AF to permanent AF, and change in incidence of overall and persistent AF recurrence, as evaluated by 7-d...
Source: Trials - August 7, 2015 Category: Journals (General) Authors: Wen-Wei QiTong LiuGang XuLi-Feng LiYing-Zi LiangLan YeGuang-Ping Li Source Type: research

Abstract P114: Mas Receptor Deficiency Increases Diastolic Blood Pressure and Reduces Cardiac Function in Obese Female Mice Session Title: Poster Session 1- Trainee Onsite Poster Competition and Reception
Conclusion: These results demonstrate that MasR deficiency promotes elevated diastolic blood pressures and reduced cardiac function in obese female mice, suggesting that the Ang-(1-7)/MasR axis protects females from obesity-hypertension. Moreover, these results suggest that MasR agonists may be effective therapies for obesity-associated cardiovascular conditions.
Source: Hypertension - November 3, 2015 Category: Cardiology Authors: Wang, Y., Shoemaker, R., Thatcher, S., Cassis, L. Tags: Session Title: Poster Session 1- Trainee Onsite Poster Competition and Reception Source Type: research

Development of new atherosclerotic plaque in hypertensive patients: an observational registry study from the Campania-Salute network
Background and purpose: Carotid atherosclerotic plaques (CAPs) can develop despite appropriate antihypertensive therapy. In this observational study, we assessed characteristics associated with risk of incident CAP in a large hypertensive registry. Methods: We evaluated 2143 hypertensive patients without evidence of CAP. Incident CAP was censored at the time of the first ultrasound control in which CAP was detected. CAP was defined according to European Society of Hypertension/European Society of Cardiology guidelines. Results: At a median follow-up period of 56.6 months, about one-third of patients (32%; N = 688) exhi...
Source: Journal of Hypertension - November 12, 2015 Category: Cardiology Tags: ORIGINAL PAPERS: Blood vessels Source Type: research

Transcranial Doppler Sonography in Pediatric Neurocritical Care: A Review of Clinical Applications and Case Illustrations in the Pediatric Intensive Care Unit
Transcranial Doppler sonography is a noninvasive, real-time physiologic monitor that can detect altered cerebral hemodynamics during catastrophic brain injury. Recent data suggest that transcranial Doppler sonography may provide important information about cerebrovascular hemodynamics in children with traumatic brain injury, intracranial hypertension, vasospasm, stroke, cerebrovascular disorders, central nervous system infections, and brain death. Information derived from transcranial Doppler sonography in these disorders may elucidate underlying pathophysiologic characteristics, predict outcomes, monitor responses to trea...
Source: Journal of Ultrasound in Medicine - November 25, 2015 Category: Radiology Authors: LaRovere, K. L., OBrien, N. F. Tags: Review Article Source Type: research