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https://www.readbyqxmd.com/read/29677465/the-effect-of-sex-menstrual-cycle-phase-and-monophasic-oral-contraceptive-pill-use-on-local-and-central-arterial-stiffness-in-young-adults
#1
Stacey E Priest, Ninette Shenouda, Maureen J MacDonald
Arterial stiffness is associated with increased cardiovascular disease risk. Previous sex-based investigations of local and central stiffness report inconsistent findings and have not controlled for menstrual cycle phase in women. There is also evidence that sex hormones influence the vasculature, but their impact on arterial stiffness across a natural menstrual (NAT) or oral contraceptive pill (OCP) cycle has been understudied. This study sought to 1) examine potential sex differences in local and central stiffness, 2) compare stiffness profiles between NAT and OCP cycles, and 3) investigate the relationship between duration of OCP use and arterial stiffness...
April 20, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29677054/effects-of-acute-aerobic-exercise-on-arterial-stiffness-and-cerebrovascular-pulsatility-in-adults-with-and-without-hypertension
#2
Wesley K Lefferts, Jacob P DeBlois, Candace N Receno, Tiago V Barreira, Tom D Brutsaert, Robert L Carhart, Kevin S Heffernan
OBJECTIVES: Stiffer central arteries, as seen in hypertension (HTN), foster transmission of pulsatile hemodynamics into fragile cerebral vessels. Aerobic exercise is recommended for adults with HTN, but its effects on arterial stiffness and pulsatility in this group are unclear. This study sought to investigate the effect of acute aerobic exercise on arterial stiffness and cerebrovascular pulsatility in 30 adults with treated HTN and 30 age, sex, and BMI-matched adults without HTN (56 ± 6 years, BMI 28...
April 19, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29676814/potential-of-carnosine-a-histamine-precursor-in-rat-model-of-bilateral-common-carotid-artery-occlusion-induced-vascular-dementia
#3
Nidhi Tiwari, Pankaj Bhatia, Amit Kumar, Amteshwar S Jaggi, Nirmal Singh
The present study investigates the potential of Carnosine a histamine precursor, in rat model of bilateral common carotid artery occlusion (BCCAo) induced vascular dementia (VaD). Wistar rats were subjected to BCCAo procedure under anesthesia to induce VaD. The rats were subjected to Morris water-maze (MWM) test (6th day onwards post-surgery). MWM test was employed to assess learning and memory of the animals whereby ELT (escape latency time), TSTQ (time spent in target quadrant) and Path length (distance travelled) taken as important parameters...
April 20, 2018: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29676604/is-diabetes-a-marker-of-higher-risk-after-carotid-revascularization-experience-from-a-single-centre
#4
Renato Casana, Chiara Malloggi, Andrea Odero, Valerio Tolva, Richard Bulbulia, Alison Halliday, Vincenzo Silani
PURPOSE: This single centre study investigates the influence of diabetes mellitus on outcomes following carotid artery endarterectomy or stenting. METHODS: In total, 752 carotid revascularizations (58.2% carotid artery stenting and 41.8% carotid endarterectomy) were performed in 221 (29.4%) patients with diabetes and 532 (70.6%) patients without diabetes. The study outcomes were death, disabling and non-disabling stroke, transient ischaemic attack and restenosis within 36 months after the procedure...
April 1, 2018: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/29675480/pituitary-dysfunction-from-an-unruptured-ophthalmic-internal-carotid-artery-aneurysm-with-improved-2-year-follow-up-results-a-case-report
#5
Meng Qi, Ming Ye, Meng Li, Peng Zhang
Internal carotid artery (ICA) supraclinoid segment aneurysms extending into the sellar region and leading to pituitary dysfunction are a rare occurrence. To date, long-term follow up of pituitary function 2 years post-treatment has never been reported. Herein, we present a case of pituitary dysfunction due to an unruptured ophthalmic segment internal carotid artery aneurysm and report improved 2-year follow-up results. A 76-year-old male presented with disturbed consciousness due to hyponatremia, which was caused by hypoadrenocorticism resulting from pituitary dysfunction complicated by hypogonadism and hypothyroidism...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29675417/developing-a-reliable-mouse-model-for-cancer-therapy-induced-cardiovascular-toxicity-in-cancer-patients-and-survivors
#6
Kyung Ae Ko, Yin Wang, Sivareddy Kotla, Yuka Fujii, Hang Thi Vu, Bhanu P Venkatesulu, Tamlyn N Thomas, Jan L Medina, Young Jin Gi, Megumi Hada, Jane Grande-Allen, Zarana S Patel, Sarah A Milgrom, Sunil Krishnan, Keigi Fujiwara, Jun-Ichi Abe
Background: The high incidence of cardiovascular events in cancer survivors has long been noted, but the mechanistic insights of cardiovascular toxicity of cancer treatments, especially for vessel diseases, remain unclear. It is well known that atherosclerotic plaque formation begins in the area exposed to disturbed blood flow, but the relationship between cancer therapy and disturbed flow in regulating plaque formation has not been well studied. Therefore, we had two goals for this study; (1) Generate an affordable, reliable, and reproducible mouse model to recapitulate the cancer therapy-induced cardiovascular events in cancer survivors, and (2) Establish a mouse model to investigate the interplay between disturbed flow and various cancer therapies in the process of atherosclerotic plaque formation...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29675069/moyamoya-vasculopathy-in-indian-children-our-experience
#7
Varsha Anant Patil, Shilpa Dattaprasanna Kulkarni, Chandrashekhar E Deopujari, Naresh K Biyani, Anaita H Udwadia-Hegde, Krishnakumar N Shah
Background: Moyamoya vasculopathy is a chronic progressive vaso-occlusive disease affecting the distal intracranial carotid arteries and their proximal branches. It is an important cause of recurrent strokes in children. Surgical revascularization procedures are now considered as the treatment option for moyamoya vasculopathy. The data from Indian children with moyamoya vasculopathy are limited to a very few studies. Study Design: We analyzed the records of children with moyamoya vasculopathy treated at our tertiary care center from 2000 to 2014...
October 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29674944/dunye-guanxinning-improves-acute-myocardial-ischemia-reperfusion-injury-by-inhibiting-neutrophil-infiltration-and-caspase-1-activity
#8
Q G Zhang, S R Wang, X M Chen, H N Guo, S Ling, J W Xu
Acute myocardial infarction is the most serious manifestation of cardiovascular disease, and it is a life-threatening condition. Dunye Guanxinning (DG) is a protective traditional Chinese patent herbal medicine with high clinical efficacy and suitable for the treatment of myocardial infarction. However, the mechanism through which it is beneficial is unclear. In this study, we hypothesized that DG improves acute myocardial ischemia-reperfusion injury by inhibiting neutrophil infiltration and caspase-1 activity...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29674769/helicobacter-cinaedi-associated-carotid-arteritis
#9
Shinichiro Nakao, Hideharu Hagiya, Keigo Kimura, Tomomi Mitsui, Akane Oyama, Kazuhiro Hongyo, Yusuke Takahashi, Futoshi Nakagami, Kazunori Tomono, Hiromi Rakugi
A 65-year-old Japanese man with bilateral carotid atherosclerosis presented with right neck pain and fever. Contrast-enhanced computed tomography suggested carotid arteritis, and carotid ultrasonography showed an unstable plaque. The patient developed a cerebral embolism, causing a transient ischemic attack. Helicobacter cinaedi was detected in blood culture, and H. cinaedi-associated carotid arteritis was diagnosed. Empirical antibiotic therapy was administered for 6 weeks. After readmission for recurrent fever, he was treated another 8 weeks...
April 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29674483/influence-of-stent-design-and-use-of-protection-devices-on-outcome-of-carotid-artery-stenting-a-pooled-analysis-of-individual-patient-data
#10
Fritz Wodarg, Elisabeth L Turner, Joanna Dobson, Peter A Ringleb, Willem P Mali, Gustav Fraedrich, Gilles Chatellier, Jean-Pierre Bequemin, Martin M Brown, Ale Algra, Jean-Louis Mas, Olav Jansen, Leo H Bonati
BACKGROUND AND PURPOSE: Carotid artery stenting is an alternative to endarterectomy for the treatment of symptomatic carotid stenosis but was associated with a higher risk of procedural stroke or death in randomized controlled trials (RCTs). Technical aspects of treatment may partly explain these results. The purpose of this analysis was to investigate the influence of technical aspects such as stent design or the use of protection devices, as well as clinical variables, on procedural risk...
April 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29673881/long-term-outcome-in-extracranial-intracranial-bypass-surgery-for-severe-steno-occlusive-disease-of-intracranial-internal-carotid-or-middle-cerebral-artery
#11
Kok Ann Colin Teo, Tseng Tsai Yeo, Vijay K Sharma
OBJECTIVES: We report the long-term outcome and rates of recurrent cerebral ischemic events in our cohort of carefully selected patients after STA-MCA bypass for severe steno-occlusive disease of intracranial ICA or MCA with exhausted cerebral vasodilatory reserve. PATIENTS AND METHODS: In this retrospective study, we reviewed the hospital records for all patients who underwent direct superficial temporal artery-middle cerebral artery bypass surgery at our institution from January 2010 to August 2017...
April 3, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29673854/silencing-of-non-pou-domain-containing-octamer-binding-protein-stabilizes-atherosclerotic-plaque-in-apolipoprotein-e-knockout-mice-via-nf-%C3%AE%C2%BAb-signaling-pathway
#12
Kai Zhang, Fang Zhang, Jian-Min Yang, Jing Kong, Xiao Meng, Meng Zhang, Cheng Zhang, Yun Zhang
BACKGROUND: It remains unknown whether Non-POU-domain-containing octamer-binding protein (NonO) plays a causative role in plaque destabilization. We hypothesized that NonO gene silencing may stabilize atherosclerotic plaque by increasing P4Hα1 expression and inhibiting the inflammation. METHODS AND RESULTS: Vulnerable atherosclerotic plaques were induced in ApoE-/- mice by high fat diet, perivascular collar placement and mental stress. Compared with normal carotid arteries, those contained vulnerable plaques had high NonO expression...
April 7, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29673823/carotid-artery-endarterectomy-cea-vs-carotid-artery-stenting-cas-for-restenosis-after-cea-a-systematic-review-and-meta-analysis
#13
REVIEW
Pavlos Texakalidis, Stefanos Giannopoulos, Anil K Jonnalagadda, Damianos G Kokkinidis, Theofilos Machinis, John Reavey-Cantwell, Ehrin J Armstrong, Pascal Jabbour
BACKGROUND: Carotid artery restenosis may occur following ipsilateral carotid endarterectomy (CEA). It remains unclear whether carotid artery stenting (CAS) or a repeat CEA (redoCEA) is the best treatment strategy for carotid artery restenosis. OBJECTIVE: We sought to find whether CAS or redoCEA is the optimal therapy for post-endarterectomy carotid restenosis. METHODS: This study was performed according to the PRISMA and MOOSE guidelines...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29673816/technical-nuances-of-exposing-rat-common-carotid-arteries-for-practicing-microsurgical-anastomosis
#14
Ali Tayebi Meybodi, Joseph Aklinski, Sirin Gandhi, Mark C Preul, Michael T Lawton
BACKGROUND: Animal models are commonly used in training protocols for microsurgical vascular anastomosis. Rat common carotid arteries (CCA) are frequently used for this purpose. Much attention has been paid to the technical details of various anastomosis configurations using these arteries. However, technical nuances of exposing rat CCA have been understudied. The purpose of this study is to describe nuances of technique for safely and efficiently exposing rat CCA in preparation for a vascular anastomosis METHODS: Bilateral CCAs were exposed and prepared for anastomosis in 10 anesthetized Sprague-Dawley rats through a midline cervical incision...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29673627/transient-monocular-blindness-vascular-causes-and-differential-diagnoses
#15
REVIEW
S Bidot, D Biotti
Transient monocular blindness is an acute episode of ischemic origin in which one eye has profound visual loss, followed by full recovery within one hour. Transient monocular blindness most often occurs in the setting of retinal ischemia secondary to carotid embolism, but other mechanisms have been reported, including thrombosis (most often in the setting of giant cell arteritis), hemodynamic disorders (secondary to severe carotid stenosis), or vasospasm. Transient monocular blindness is considered a transient ischemic attack originating in the carotid arteries, and must be managed the same as transient ischemic attack involving the brain, in order to prevent a subsequent stroke...
April 16, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29673615/the-influence-of-abdominal-and-ectopic-fat-accumulation-on-carotid-intima-media-thickness-a-chongqing-study
#16
Xu Yi, Yu-Hui Liu, Xin-Fu Zhou, Yan-Jiang Wang, Juan Deng, Juan Liu, Hong-Bo He, Zhi-Qiang Xu
BACKGROUND: To investigate the effects of abdominal obesity (AO) and nonalcoholic fatty liver disease (NAFLD) with or without AO on carotid arteries by determining carotid intima-media thickness (CIMT). METHODS: A total of 2745 Chinese Han adults (aged between 40 and 50 years old) were recruited and divided into 4 groups: (1) NW-no NAFL group: the normal body weight without NAFLD (n = 1888); (2) AO-no NAFL group: AO without NAFLD (n = 259); (3) NW-with NAFL group: NAFLD without AO (n = 93); and (4) AO-with NAFL group: AO with NAFLD (n = 505)...
April 16, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29673574/carotid-contrast-enhanced-ultrasonography-and-multimodal-imaging-in-a-case-of-tipic-syndrome
#17
REVIEW
R El Nawar, N Villain, J-M Baud, M De Malherbe, F Pico
Transient perivascular inflammation of the carotid artery (TIPIC) syndrome, previously referred to as 'carotidynia', is an unclassified clinicoradiological entity associating atypical acute neck pain, eccentric perivascular infiltration on imaging and improvement of symptoms either spontaneously or with anti-inflammatory treatment. This case report presents a patient with TIPIC syndrome who underwent five different types of imaging modality, including contrast-enhanced ultrasonography (CEUS) of the carotids, and describes the CEUS appearances of TIPIC syndrome...
April 16, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29672890/carotid-artery-stiffness-assessment-by-ultrafast-ultrasound-imaging-feasibility-and-potential-influencing-factors
#18
Fu-Shun Pan, Liang Yu, Jia Luo, Ri-Dong Wu, Ming Xu, Jin-Yu Liang, Yan-Ling Zheng, Xiao-Yan Xie
OBJECTIVES: To evaluate the feasibility of the ultrafast ultrasound pulsed wave velocity (PWV) for carotid stiffness assessment and potential influencing factors. METHODS: Ultrafast PWV measurements of 442 carotid arteries in 162 consecutive patients (patient group) and 66 healthy volunteers (control group) were performed. High- and very high-frequency transducers were used in 110 carotid segments. The ultrafast PWVs at the beginning and end of systole were automatically measured...
April 19, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29672688/distal-aortic-arch-aneurysm-in-an-adult-case-of-phace-syndrome
#19
Chiharu Tanaka, Shinichiro Shimura, Yasunori Cho, Toshihiko Ueda
A rare case of adult PHACE syndrome with a distal aortic arch aneurysm was treated surgically. The patient had several anomalies including uneven cerebral blood flow, a small left common carotid artery and a narrowed transverse aorta. Under deep hypothermic circulatory arrest, aortic replacement with reconstruction of the left subclavian artery was performed uneventfully. Cystic degeneration of the tunica media was observed in the aneurysm wall.
April 16, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29672398/evaluating-quality-metrics-and-cost-after-discharge-a-population-based-cohort-study-of-value-in-health-care-following-elective-major-vascular-surgery
#20
Charles de Mestral, Konrad Salata, Mohamad A Hussain, Ahmed Kayssi, Mohammed Al-Omran, Graham Roche-Nagle
BACKGROUND: Early readmission to hospital after surgery is an omnipresent quality metric across surgical fields. We sought to understand the relative importance of hospital readmission among all health services received after hospital discharge. OBJECTIVE: The aim of this study was to characterize 30-day postdischarge cost and risk of an emergency department (ED) visit, readmission, or death after hospitalization for elective major vascular surgery. METHODS: This is a population-based retrospective cohort study of patients who underwent elective major vascular surgery - carotid endarterectomy, EVAR, open AAA repair, bypass for lower extremity peripheral arterial disease - in Ontario, Canada, between 2004 and 2015...
April 18, 2018: Annals of Surgery
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