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Condition: Hypertension
Procedure: Ultrasound

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Total 276 results found since Jan 2013.

Normocalcaemic, vitamin D sufficient hyperparathyroidism ‐ high prevalence and low morbidity in the general population A long‐term follow‐up study, the WHO MONICA project, Gothenburg, Sweden
ConclusionsThis small random population study showed that nHPT was common, 11% at follow‐up. Only one individual developed mild hypercalcaemia in 13 years. Previous S‐PTH was predictive of nHPT and hypertension was prevalent, but no increase in hard end points was seen over a 17‐year period.This article is protected by copyright. All rights reserved.
Source: Clinical Endocrinology - May 18, 2015 Category: Endocrinology Authors: Georgios Kontogeorgos, Penelope Trimpou, Christine M. Laine, Göran Oleröd, Anders Lindahl, Kerstin Landin‐Wilhelmsen Tags: Rapid Communication 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

Pearls & Oy-sters: Cerebral venous air embolism after central catheter removal: Too much air can kill
A 95-year-old woman with a history of hypertension presented from a long-term care facility for altered mental status in the context of dehydration and hypoglycemia. Multiple attempts to obtain a peripheral IV failed, and a triple lumen catheter was placed into the right internal jugular vein using the Seldinger technique under ultrasound guidance. No complications followed the procedure. The patient was then rehydrated and given multiple ampules of D50, leading to prompt resolution of the hypoglycemia and improvement in her mental status. After resolution of symptoms, the central line was removed, with the head of the bed...
Source: Neurology - March 30, 2015 Category: Neurology Authors: Bartolini, L., Burger, K. Tags: MRI, All Clinical Neurology, All Cerebrovascular disease/Stroke, Embolism RESIDENT AND FELLOW SECTION Source Type: research

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

Prevalence of Patent Foramen Ovale in Ischaemic Stroke in Italy: Results of SISIFO Study
Conclusion: If any relationship exists between stroke and PFO, this is more likely in PACI and POCI at a younger age. Our results are consistent with recent findings that underline PFO alone must not be considered a significant independent predictor for stroke; so the presence of PFO alone doesn't permit rushed causal correlations or ‘therapeutic aggressiveness'.Cerebrovasc Dis 2015;39:162-169
Source: Cerebrovascular Diseases - February 26, 2015 Category: Neurology 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

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

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

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

Carotid velocities determine cerebral blood flow deficits in elderly men with carotid stenosis
Authors: Siennicki-Lantz A, Wollmer P, Elmståhl S Abstract To examine if mild carotid stenosis correlates with silent vascular brain changes, we studied a prospective population-based cohort "Men born in 1914." Data from followups at ages 68 and 81, have been used. Carotid ultrasound was performed at age 81, and cerebral blood flow (CBF) was measured with SPECT at age 82. Out of 123 stroke-free patients, carotid stenosis <50% was observed in 94% in the right and 89% in the left internal carotid arteries (ICAs). In these subjects, Peak Systolic Velocities in ICA correlated negatively with CBF in a majority of se...
Source: International Journal of Vascular Medicine - December 1, 2014 Category: Cardiology Tags: Int J Vasc Med Source Type: research

Association of ultrasonographic parameters with subclinical white-matter hyperintensities in hypertensive patients.
Conclusions. Our study showed that in hypertensive individuals with brain SVD the extent of structural changes in cerebral microcirculation as reflected by WMHs burden is associated with the following ultrasound parameters of cerebral macrocirculation: CCA diameter and MCA-PI. PMID: 23056917 [PubMed]
Source: Cardiovascular Psychiatry and Neurology - November 25, 2014 Category: Psychiatry Tags: Cardiovasc Psychiatry Neurol 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

Deep-fried Mars bars – unhealthy, but no killer
Conclusion This study found no significant differences in cerebrovascular reactivity (the body’s ability to respond to breath holding by increasing blood flow to the brain) after eating either a deep-fried Mars bar or porridge. When the researchers analysed men and women separately, they found no significant differences in cerebrovascular reactivity after eating a deep-fried Mars bar or porridge. However, when the researchers compared men with women, they found a significant difference, although whether there is any clinical significance to this finding is unclear. The researchers point out that there are limitations to ...
Source: NHS News Feed - September 30, 2014 Category: Consumer Health News Tags: Food/diet Neurology Obesity Source Type: news

Deep-fried Mars bars: unhealthy, but no killer
Conclusion This study found no significant differences in cerebrovascular reactivity (the body’s ability to respond to breath holding by increasing blood flow to the brain) after eating either a deep-fried Mars bar or porridge. When the researchers analysed men and women separately, they found no significant differences in cerebrovascular reactivity after eating a deep-fried Mars bar or porridge. However, when the researchers compared men with women, they found a significant difference, although whether there is any clinical significance to this finding is unclear. The researchers point out that there are limitations to ...
Source: NHS News Feed - September 30, 2014 Category: Consumer Health News Tags: Food/diet Neurology Obesity Source Type: news