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https://www.readbyqxmd.com/read/28345431/collaterals-2016-translating-the-collaterome-around-the-globe
#1
David S Liebeskind, Graham W Woolf, Ashfaq Shuaib
Collaterals 2016 (third International Symposium on Collaterals to the Brain) was a multidisciplinary scientific conference focused on collateral circulation in acute ischemic stroke. Decisive challenges include generalizability of optimal triage and selection paradigms based on collateral status for definitive treatment of acute ischemic stroke, rapid dissemination of expert methods, and the urgent need to leverage networking opportunities for stroke science related to the hemodynamics of collaterals. The collaterome, or individual capacity to offset ischemia in the brain, and determination of a favorable collateral profile have become pivotal factors in consideration of the precision medicine of stroke decision-making...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28337931/utilizing-nutritional-genomics-to-tailor-diets-for-the-prevention-of-cardiovascular-disease-a-guide-for-upcoming-studies-and-implementations
#2
Dolores Corella, Oscar Coltell, George Mattingley, José V Sorlí, Jose M Ordovas
Personalized diets based on an individual's genome to optimize the success of dietary intervention and reduce genetic cardiovascular disease (CVD) risk, is one of the challenges most frequently discussed in the scientific community. Areas covered: The authors gathered literature-based evidence on nutritional genomics and CVD phenotypes, our own results and research experience to provide a critical overview of the current situation of using nutritional genomics to tailor diets for CVD prevention and to propose guidelines for future studies and implementations...
March 24, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28325014/real-time-monitoring-of-swimming-performance
#3
R Delgado-Gonzalo, A Lemkaddem, Ph Renevey, E Muntane Calvo, M Lemay, K Cox, D Ashby, J Willardson, M Bertschi
This article presents the performance results of a novel algorithm for swimming analysis in real-time within a low-power wrist-worn device. The estimated parameters are: lap count, stroke count, time in lap, total swimming time, pace/speed per lap, total swam distance, and swimming efficiency (SWOLF). In addition, several swimming styles are automatically detected. Results were obtained using a database composed of 13 different swimmers spanning 646 laps and 858.78 min of total swam time. The final precision achieved in lap detection ranges between 99...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28318956/carotid-endarterectomy-to-remove-retained-solitaire-stent-retriever-inside-carotid-stent-after-mechanical-thrombectomy
#4
Mary In-Ping Huang Cobb, Tony P Smith, Patrick A Brown, L Fernando Gonzalez, Ali R Zomorodi
BACKGROUND: Tandem occlusions of the internal carotid artery (ICA) and middle cerebral artery (MCA) occur in up to a third of patients with acute ischemic strokes undergoing endovascular mechanical thrombectomy. Understanding open neurosurgical management of associated complications with this procedure is important. CASE REPORT: A 67-year-old man with acute onset of left hemiparesis and a tandem right ICA and MCA occlusion. He underwent carotid stent angioplasty of a stenotic ICA, followed by attempted Solitaire stent retrieval of an MCA clot...
March 16, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28315744/cardiac-implantable-electronic-device-infections-who-is-at-greatest-risk
#5
Parijat Saurav Joy, Gagan Kumar, Jeanne E Poole, Barry London, Brian Olshansky
BACKGROUND: Cardiac Implantable Electronic Device (CIED) infections are associated with hospitalization, mortality, increased costs and adverse outcomes. OBJECTIVE: Determine the burden of infections for CIEDs based on device type, associated comorbidities and clinical characteristics over a 12-year period. METHODS: Utilizing the National Inpatient Sample database from 2000-2012, procedures for device related infection (DRI) were identified using ICD-9-CM code for CIED removal with diagnosis codes for device-related infection or systemic infection...
March 15, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28304205/stenting-of-the-cervical-internal-carotid-artery-in-acute-stroke-management-the-karolinska-experience
#6
Anastasios Mpotsaris, Christoph Kabbasch, Jan Borggrefe, Vamsi Gontu, Michael Soderman
Background Emergency stent placement in the extracranial internal carotid artery in combination with anterior circulation thrombectomy is a routine procedure. Yet, precise indications and clinical safety in this setting remains controversial. Present data for mechanical thrombectomy include few studies with acute stenting of tandem occlusions. We evaluated the feasibility, safety and clinical outcome of this endovascular treatment in a retrospective analysis of all consecutive cases at a comprehensive stroke centre...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28302557/prevalence-and-prognostic-features-of-ecg-abnormalities-in-acute-stroke-findings-from-the-siren-study-among-africans
#7
Abiodun M Adeoye, Okechukwu S Ogah, Bruce Ovbiagele, Rufus Akinyemi, Vincent Shidali, Francis Agyekum, Akinyemi Aje, Oladimeji Adebayo, Joshua O Akinyemi, Philip Kolo, Lambert Tetteh Appiah, Henry Iheonye, Uwanuruochi Kelechukwu, Amusa Ganiyu, Taiwo O Olunuga, Onoja Akpa, Ojo Olakanmi Olagoke, Fred Stephen Sarfo, Kolawole Wahab, Samuel Olowookere, Adekunle Fakunle, Albert Akpalu, Philip B Adebayo, Kwadwo Nkromah, Joseph Yaria, Philip Ibinaiye, Godwin Ogbole, Aridegbe Olumayowa, Sulaiman Lakoh, Benedict Calys-Tagoe, Paul Olowoyo, Chukwuonye Innocent, Hemant K Tiwari, Donna Arnett, Osaigbovo Godwin, Bisi Ayotunde, Josephine Akpalu, Okeke Obiora, Odo Joseph, Adeleye Omisore, Carolyn Jenkins, Daniel Lackland, Lukman Owolabi, Suleiman Isah, Abdu H Dambatta, Morenikeji Komolafe, Andrew Bock-Oruma, Ezinne Sylvia Melikam, Lucius Chidiebere Imoh, Taofiki Sunmonu, Mulugeta Gebregziabher, Oluyemisi Olabisi, Kevin Armstrong, Ugochukwu U Onyeonoro, Emmanuel Sanya, Atinuke M Agunloye, Luqman Ogunjimi, Oyedunni Arulogun, Temitope H Farombi, Olugbo Obiabo, Reginald Obiako, Mayowa Owolabi
BACKGROUND: Africa has a growing burden of stroke with associated high morbidity and a 3-year fatality rate of 84%. Cardiac disease contributes to stroke occurrence and outcomes, but the precise relationship of abnormalities as noted on a cheap and widely available test, the electrocardiogram (ECG), and acute stroke outcomes have not been previously characterized in Africans. OBJECTIVES: The study assessed the prevalence and prognoses of various ECG abnormalities among African acute stroke patients encountered in a multisite, cross-national epidemiologic study...
March 13, 2017: Global Heart
https://www.readbyqxmd.com/read/28301100/comparison-of-mr-flow-quantification-in-peripheral-and-main-pulmonary-arteries-in-patients-after-right-ventricular-outflow-tract-surgery-a-retrospective-study
#8
Tobias Rutz, Christian Meierhofer, Susanne Naumann, Stefan Martinoff, Peter Ewert, Heiko C Stern, Sohrab Fratz
PURPOSE: To compare the quantification of pulmonary stroke volume (SV) by phase contrast magnetic resonance (PC-MR) in the main pulmonary artery (MPA) to the sum of SVs in both peripheral pulmonary arteries (PPA) in different right ventricular (RV) outflow pathologies. MATERIALS AND METHODS: Pulmonary SV was determined by PC-MR in the MPA and the PPA in healthy individuals (H, n = 54), patients after correction for tetralogy of Fallot with significant pulmonary regurgitation and without pulmonary or RV outflow tract stenosis (PR, n = 50), and in patients with RV outflow tract or pulmonary valve stenosis (PS, n = 50)...
March 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28283957/migraine-and-stroke-what-s-the-link-what-to-do
#9
REVIEW
Anna Gryglas, Robert Smigiel
Migraine and stroke are common, disabling neurologic disorders, with a high socioeconomic burden. A link between them has been proposed years ago, and various theories have been proposed to explain this bidirectional relation. However, the precise causes remain unclear. We briefly summarize existing hypotheses of this correlation seeking for recommendations for stroke prevention in migraineurs, if any exist. Among the strongest suggested theories of migraine-stroke association are cortical spreading depression, endovascular dysfunction, vasoconstriction, neurogenic inflammation, hypercoagulability, increased prevalence of vascular risk factors, shared genetic defects, cervical artery dissection, and patent foramen ovale...
March 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28268789/perspective-imaging-of-flow-in-arterial-model-obtained-with-continuous-wave-doppler-focusing-technique
#10
Ryo Nagaoka, Katsuhiro Sasaki, Seiichi Zama, Masaaki Nagone, Hiroshi Nagai, Yasuhito Takeuchi, Yoshifumi Saijo
Flowing emboli in the circulatory system cause fatal diseases such as stroke or pulmonary embolism. Conventional transcranial Doppler ultrasound for detection of emboli requires precise positioning by experienced examiner. In the present study, an easier emboli detection device by visualizing perspective view of blood vessel is proposed. The perspective image was obtained with continuous wave (CW) Doppler ultrasound from 2-dimensional array probe. CW Doppler signal from each element was focused by novel beam forming algorithm to obtain en face images at arbitrary depth to form perspective image...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28241970/automated-segmental-imt-measurement-in-thin-thick-plaque-with-bulb-presence-in-carotid-ultrasound-from-multiple-scanners-stroke-risk-assessment
#11
Nobutaka Ikeda, Nilanjan Dey, Aditya Sharma, Ajay Gupta, Soumyo Bose, Suvojit Acharjee, Shoaib Shafique, Elisa Cuadrado-Godia, Tadashi Araki, Luca Saba, John R Laird, Andrew Nicolaides, Jasjit S Suri
BACKGROUND AND OBJECTIVES: Standardization of the carotid IMT requires a reference marker in ultrasound scans. It has been shown previously that manual reference marker and manually created carotid segments are used for measuring IMT in these segments. Manual methods are tedious, time consuming, subjective, and prone to errors. Bulb edge can be considered as a reference marker for measurements of the cIMT. However, bulb edge can be difficult to locate in ultrasound scans due to: (a) low signal to noise ratio in the bulb region as compared to common carotid artery region; (b) uncertainty of bulb location in craniocaudal direction; and (c) variability in carotid bulb shape and size...
April 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28241169/stroke-etiologic-classification-moving-from-prediction-to-precision
#12
Mitchell S V Elkind
No abstract text is available yet for this article.
February 27, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28236616/nuclear-factor-kb-and-inhibitor-of-kb-acupuncture-protection-against-acute-focal-cerebral-ischemia-in-rodents
#13
Wei Huang, Zhongyu Zhou, Bijiang Wan, Guang Chen, Jia Li
Context • Acute, focal, cerebral ischemic stroke is a leading cause of morbidity and mortality worldwide. Acupuncture is an emerging alternative therapy for treatment of acute brain ischemia. Nevertheless, the precise mechanism underlying the neuroprotective effects of acupuncture has not been elucidated. Nuclear factor κB (NF-κB) and nuclear factor of κ light polypeptide gene enhancer in B cell inhibitor alpha (IκB-α) are involved in cerebral inflammation. However, the involvement of NF-κB and IκB-α in the protective effects of acupuncture on ischemic tolerance remains unknown...
February 27, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28227572/real-time-monitoring-of-swimming-performance
#14
R Delgado-Gonzalo, A Lemkaddem, Ph Renevey, E Muntane Calvo, M Lemay, K Cox, D Ashby, J Willardson, M Bertschi, R Delgado-Gonzalo, A Lemkaddem, Ph Renevey, E Muntane Calvo, M Lemay, K Cox, D Ashby, J Willardson, M Bertschi, M Lemay, A Lemkaddem, Ph Renevey, D Ashby, M Bertschi, E Muntane Calvo, J Willardson, R Delgado-Gonzalo, K Cox
This article presents the performance results of a novel algorithm for swimming analysis in real-time within a low-power wrist-worn device. The estimated parameters are: lap count, stroke count, time in lap, total swimming time, pace/speed per lap, total swam distance, and swimming efficiency (SWOLF). In addition, several swimming styles are automatically detected. Results were obtained using a database composed of 13 different swimmers spanning 646 laps and 858.78 min of total swam time. The final precision achieved in lap detection ranges between 99...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226983/perspective-imaging-of-flow-in-arterial-model-obtained-with-continuous-wave-doppler-focusing-technique
#15
Ryo Nagaoka, Katsuhiro Sasaki, Seiichi Zama, Masaaki Nagone, Hiroshi Nagai, Yasuhito Takeuchi, Yoshifumi Saijo, Ryo Nagaoka, Katsuhiro Sasaki, Seiichi Zama, Masaaki Nagone, Hiroshi Nagai, Yasuhito Takeuchi, Yoshifumi Saijo, Yoshifumi Saijo, Hiroshi Nagai, Katsuhiro Sasaki, Masaaki Nagone, Seiichi Zama, Ryo Nagaoka, Yasuhito Takeuchi
Flowing emboli in the circulatory system cause fatal diseases such as stroke or pulmonary embolism. Conventional transcranial Doppler ultrasound for detection of emboli requires precise positioning by experienced examiner. In the present study, an easier emboli detection device by visualizing perspective view of blood vessel is proposed. The perspective image was obtained with continuous wave (CW) Doppler ultrasound from 2-dimensional array probe. CW Doppler signal from each element was focused by novel beam forming algorithm to obtain en face images at arbitrary depth to form perspective image...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28210908/updates-in-outcomes-of-stereotactic-radiation-therapy-in-acromegaly
#16
REVIEW
Monica Livia Gheorghiu
Purpose Treatment of acromegaly has undergone important progress in the last 20 years mainly due to the development of new medical options and advances in surgical techniques. Pituitary surgery is usually first-line therapy, and medical treatment is indicated for persistent disease, while radiation (RT) is often used as third-line therapy. The benefits of RT (tumor volume control and decreased hormonal secretion) are hampered by the long latency of the effect and the high risk of adverse effects. Stereotactic RT methods have been developed with the aim to provide more precise targeting of the tumor with better control of the radiation dose received by the adjacent brain structures...
February 16, 2017: Pituitary
https://www.readbyqxmd.com/read/28207602/spreading-depolarization-monitoring-in-neurocritical-care-of-acute-brain-injury
#17
Jed A Hartings
PURPOSE OF REVIEW: Spreading depolarizations are unique in being discrete pathologic entities that are well characterized experimentally and also occur commonly in patients with substantial acute brain injury. Here, we review essential concepts in depolarization monitoring, highlighting its clinical significance, interpretation, and future potential. RECENT FINDINGS: Cortical lesion development in diverse animal models is mediated by tissue waves of mass spreading depolarization that cause the toxic loss of ion homeostasis and limit energy substrate supply through associated vasoconstriction...
April 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28202819/-melas-mitochondrial-encephalomyopathy-lactic-acidosis-and-stroke-like-episodes
#18
Hidetomo Murakami, Kenjiro Ono
Mitochondrial disease is caused by a deficiency in the energy supply to cells due to mitochondrial dysfunction. Mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (MELAS) is a mitochondrial disease that presents with stroke-like episodes such as acute onset of neurological deficits and characteristic imaging findings. Stroke-like episodes in MELAS have the following features: 1) neurological deficits due to localization of lesions in the brain, 2) episodes often accompany epilepsy, 3) lesions do not follow the vascular supply area, 4) lesions are more often seen in the posterior brain than in the anterior brain, 5) lesions spread to an adjacent area in the brain, and 6) neurological symptoms often disappear together with imaging findings, but later relapse...
February 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28178773/postural-control-of-individuals-with-chronic-stroke-compared-to-healthy-participants-tug-frt-and-center-of-pressure-movement
#19
Sigal Portnoy, Shlomit Reif, Tom Mendelboim, Debbie Rand
BACKGROUND: Balance impairments are common following stroke, and may lead to loss of independent functional mobility and falls. Previous studies strived to come up with precise measures of postural control, which will provide a better prognostic power for the health status and safety of the individual. To date, the degree of difference in postural control measures between individuals with chronic stroke and healthy participants is not reported. Also there are no reported correlations between these measures and the Timed-Up-and-Go (TUG) and the Functional Reach Test (FRT)...
February 8, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28153466/practical-identifiability-analysis-of-a-minimal-cardiovascular-system-model
#20
Antoine Pironet, Paul D Docherty, Pierre C Dauby, J Geoffrey Chase, Thomas Desaive
BACKGROUND AND OBJECTIVE: Parameters of mathematical models of the cardiovascular system can be used to monitor cardiovascular state, such as total stressed blood volume status, vessel elastance and resistance. To do so, the model parameters have to be estimated from data collected at the patient's bedside. This work considers a seven-parameter model of the cardiovascular system and investigates whether these parameters can be uniquely determined using indices derived from measurements of arterial and venous pressures, and stroke volume...
January 17, 2017: Computer Methods and Programs in Biomedicine
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