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https://www.readbyqxmd.com/read/28432005/radial-ulnar-angioplasty-in-selected-patients-undergoing-elective-angiography-or-pci-using-complex-forearm-approach
#1
Santiago Jesús Camacho Freire, Antonio Enrique Gómez Menchero, Javier León Jiménez, Jessica Roa Garrido, Rosa Cardenal Piris, José Francisco Díaz Fernández
BACKGROUND: Angioplasty on the radial artery have been performed with good success rates in patients with critical hand ischemia. We sought to assess the feasibility and safety of radial angioplasty on complex radial access in patients undergoing coronary angiography. METHODS/MATERIAL: A prospective series of procedures with complex radial/ulnar access to which radial-ulnar angioplasty (RU-A) was performed. We set goals of efficacy and safety that included the success rate of the procedure (need for ¨Crossover femoral¨) and the existence of radial pulse at one month...
April 11, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28430314/transulnar-approach-as-an-alternative-to-transradial-approach-in-non-coronary-intervention-safety-feasibility-and-technical-factors
#2
Adam Zybulewski, Martin Edwards, Edward Kim, Francis S Nowakowski, Rahul Patel, Nora Tabori, Robert Lookstein, Aaron Fischman
PURPOSE: Transulnar access (TUA) has been shown to be an effective alternative to transradial access (TRA) for coronary intervention. This study evaluates the safety and efficacy of TUA in patients undergoing visceral interventions in the setting of contraindication to TRA. MATERIALS AND METHODS: Patients who underwent visceral interventions via ulnar approach were included in the study. Outcome variables include technical success, access site and bleeding complications...
April 13, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28428918/the-safety-of-the-thenar-portal-an-anatomical-study-of-the-thumb-carpometacarpal-arthroscopy
#3
Yong-Wei Pan, Leung-Kim Hung
Purpose To define the localization of the distal course of the motor branches of median nerve (MBMN) and its arborization and its quantitative relationships to the thenar portal of the carpometacarpal (CMC) joint in the hope of evaluating the safety of this portal. Method In 16 embalmed cadaveric upper extremities, the localization of the course of the MBMN and its arborization were defined. In 14 fresh-frozen cadaver upper extremities, the CMC arthroscopic portals, 1-U, 1-R, and a thenar portal, were established, after which the limbs were dissected...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28418937/clinical-validation-of-a-new-wrist-continuous-noninvasive-hemodynamic-monitoring-system-in-comparison-with-invasive-radial-artery-measurement
#4
Chen Li, Chanjuan Li, Wei Zhang, Ling Wang, Zhidong Wang, Yongji Wang, Jielai Xia
BACKGROUND: An ideal arterial pressure monitoring system for perioperative care is required to be accurate, noninvasive, continuous, and risk free. Although several continuous noninvasive arterial pressures (CNAP) are determined on the finger, a new wrist CNAP monitoring system was developed. This prospective study was designed as a randomized-controlled trial to assess its validity in comparison with invasive arterial pressure (IAP) monitoring. PATIENTS AND METHODS: Sixty patients undergoing elective surgery under general anesthesia were enrolled...
April 17, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28415988/the-efficacy-and-safety-of-mivacurium-in-pediatric-patients
#5
Ruifeng Zeng, Xiulan Liu, Jing Zhang, Ning Yin, Jian Fei, Shan Zhong, Zhiyong Hu, Miaofeng Hu, Mazhong Zhang, Bo Li, Jun Li, Qingquan Lian, Wangning ShangGuan
BACKGROUND: Mivacurium is the shortest acting nondepolarizing muscle relaxant currently available; however, the effect of different dosages and injection times of intravenous mivacurium administration in children of different ages has rarely been reported. This study was aimed to evaluate the muscle relaxant effects and safety of different mivacurium dosages administered over different injection times in pediatric patients. METHODS: Six hundred forty cases of pediatric patients, aged 2 m-14 years, ASA I or II, were divided into four groups (Groups A, B, C, D) according to the age class (2-12 m, 13-35 m, 3-6 years and 7-14 years) respectively, also each group were divided into four subgroups by induction dose (0...
April 17, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28415083/p235relation-between-myocardial-deformation-by-three-dimensional-speckle-tracking-analysis-control-of-the-hypertension-and-functional-capacity-in-patients-with-systemic-hypertension
#6
I Craciunescu, G Badea, G Ursu, S Vasile, M Iancu, M Bolog, M Dumitrescu
The purpose of this study was to investigate left ventricular (LV) function in hypertensive patients by 3-dimensional (3D) speckle tracking imaging, and determine the relation between the LV mechanics and functional capacity in this population. This cross-sectional study included 20 treated subjects with well-controlled arterial hypertension (group B) and 20 treated participants with uncontrolled hypertension (group A), adjusted by gender and age. All the subjects underwent 24-hour blood pressure monitoring, complete 2-dimensional and 3D examination, and exercise testing...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28411073/arterial-stiffness-and-elevated-left-ventricular-filling-pressure-in-patients-at-risk-for-the-development-or-a-previous-diagnosis-of-hf-a-subgroup-analysis-from-the-diast-chf-study
#7
Claus Lüers, Tobias Daniel Trippel, Sebastian Seeländer, Rolf Wachter, Gerd Hasenfuss, Ruhdja Lindhorst, Anna Bobenko, Kathleen Nolte, Burkert Pieske, Frank Edelmann
Left ventricular filling pressure (LVFP) is a marker for diastolic dysfunction and heart failure (HF) with preserved ejection fraction (pEF). The interaction between arterial stiffness (AS) and elevated LVFP has not been sufficiently investigated. In 257 patients with preserved left ventricular ejection fraction (mean age: 66 years, 53% female, mean left ventricular ejection fraction: 61%) and at least one cardiovascular risk factor (eg, hypertension and diabetes) for the development of HF or a previous diagnosis of HF, LVFP was estimated in accordance with the recommendations of the American Society of Echocardiography (elevated when E/e' ≥ 13, left atrial volume index ≥ 34 mL/m(2))...
March 27, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28409014/comparable-effect-of-aliskiren-or-a-diuretic-added-on-an-angiotensin-ii-receptor-blocker-on-augmentation-index-in-hypertension-a-multicentre-prospective-randomised-study
#8
Toru Miyoshi, Takashi Murakami, Satoru Sakuragi, Masayuki Doi, Seiji Nanba, Atsushi Mima, Youkou Tominaga, Takafumi Oka, Yutaka Kajikawa, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: The effects of antihypertensive drug combination therapy on central blood pressure (BP) and augmentation index (AI) have not been fully elucidated. We investigated the effects of the direct renin inhibitor, aliskiren, or a diuretic added to an angiotensin II receptor blocker on AI in patients with essential hypertension. METHODS: A 24-week, prospective, multicentre, randomised, open-label study enrolled 103 patients already treated with valsartan. Participants were randomly allocated to receive either valsartan with aliskiren (V+A), or valsartan with trichlormethiazide (V+T)...
2017: Open Heart
https://www.readbyqxmd.com/read/28408062/novel-method-for-vessel-cross-sectional-shear-wave-imaging
#9
Qiong He, Guo-Yang Li, Fu-Feng Lee, Qihao Zhang, Yanping Cao, Jianwen Luo
Many studies have investigated the applications of shear wave imaging (SWI) to vascular elastography, mainly on the longitudinal section of vessels. It is important to investigate SWI in the arterial cross section when evaluating anisotropy of the vessel wall or complete plaque composition. Here, we proposed a novel method based on the coordinate transformation and directional filter in the polar coordinate system to achieve vessel cross-sectional shear wave imaging. In particular, ultrasound radiofrequency data were transformed from the Cartesian to the polar coordinate system; the radial displacements were then estimated directly...
April 10, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28404592/accounting-for-oxygen-in-the-renal-cortex-a-computational-study-of-factors-that-predispose-the-cortex-to-hypoxia
#10
Chang-Joon Lee, Bruce S Gardiner, Jennifer P Ngo, Saptarshi Kar, Roger G Evans, David W Smith
We develop a pseudo-3D model of oxygen transport for the renal cortex of the rat, incorporating both the axial and radial geometry of the pre-glomerular circulation and quantitative information regarding the surface areas and transport from the vasculature and renal corpuscles. The computational model was validated by simulating four sets of published experimental studies of renal oxygenation in rats. Under the control conditions, the predicted cortical tissue oxygen tension (PtO2) or microvascular oxygen tension (µPO2) were within ± 1 standard error of the mean value (SEM) observed experimentally...
April 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28398932/brachial-arterial-pressure-monitoring-during-cardiac-surgery-rarely-causes-complications
#11
Asha Singh, Bobby Bahadorani, Brett J Wakefield, Natalya Makarova, Priya A Kumar, Michael Zhen-Yu Tong, Daniel I Sessler, Andra E Duncan
BACKGROUND: Brachial arterial catheters better estimate aortic pressure than radial arterial catheters but are used infrequently because complications in a major artery without collateral flow are potentially serious. However, the extent to which brachial artery cannulation promotes complications remains unknown. The authors thus evaluated a large cohort of cardiac surgical patients to estimate the incidence of related serious complications. METHODS: The institutional Society of Thoracic Surgeons Adult Cardiac Surgery Database and Perioperative Health Documentation System Registry of the Cleveland Clinic were used to identify patients who had brachial artery cannulation between 2007 and 2015...
April 10, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28397383/passive-heat-stress-reduces-circulating-endothelial-and-platelet-microparticles
#12
Anthony R Bain, Philip N Ainslie, Tyler D Bammert, Jamie G Hijmans, Mypinder Sekhom, Ryan L Hoiland, Daniela Flück, Joseph Donnelly, Christopher A DeSouza
Interest in circulating endothelial- (EMPs) and platelet- (PMPs) derived microparticles has increased due to their potential pathogenic role in vascular disease and as biomarkers for vascular health. Hyperthermia is commonly associated with a proinflammatory stress, but may also provide vascular protection when the temperature elevation is non-pathological. Circulating microparticles may contribute to the cellular adjustments and resultant vascular impacts of hyperthermia. Here, we determined whether circulating concentrations of arterial EMPs and PMPs are altered by passive heat stress (+2°C esophageal temperature)...
April 11, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28397084/how-to-measure-24-hour-central-blood-pressure-and-its-potential-clinical-implications
#13
REVIEW
Giacomo Pucci, Francesca Battista, Alessandra Crocetti, Giovanni Tilocca, Enrico Boschetti
The evaluation of 24-hour central blood pressure (24h cBP) combines the cBP non-invasive assessment with the 24-h ambulatory BP measurement. The major strength of the 24-h cBP evaluation is the ability to assess the degree of circadian changes between central and peripheral BP, namely 24-h BP amplification. This allows an accurate quantification of the degree of spatial and temporal BP variability in each single individual. BP amplification depends from a number of factors, such as the interaction between pressure and flow pulsatile motions, vasomotor tone, arterial tapering and other physiological and anthropometrical determinants...
April 10, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28396534/aortic-brachial-arterial-stiffness-gradient-and-cardiovascular-risk-in-the-community-the-framingham-heart-study
#14
Teemu J Niiranen, Bindu Kalesan, Martin G Larson, Naomi M Hamburg, Emelia J Benjamin, Gary F Mitchell, Ramachandran S Vasan
A recent study reported that the aortic-brachial arterial stiffness gradient, defined as carotid-radial/carotid-femoral pulse wave velocity (PWV ratio), predicts all-cause mortality better than carotid-femoral pulse wave velocity (CFPWV) alone in dialysis patients. However, the prognostic significance of PWV ratio for cardiovascular disease (CVD) in the community remains unclear. Accordingly, we assessed the correlates and prognostic value of the PWV ratio in 2114 Framingham Heart Study participants (60±10 years; 56% women) free of overt CVD...
April 10, 2017: Hypertension
https://www.readbyqxmd.com/read/28396005/transradial-access-for-interventional-radiology-single-centre-procedural%C3%A2-and-clinical-outcome-analysis
#15
Avnesh S Thakor, Mohammed T Alshammari, David M Liu, John Chung, Stephen G F Ho, Gerald M Legiehn, Lindsay Machan, Aaron M Fischman, Rahul S Patel, Darren Klass
PURPOSE: The study sought to describe a single centre's technical approach to transradial intervention and report on clinical outcomes and safety. METHODS: A total of 749 transradial access (TRA) procedures were performed at a single hospital in 562 patients (174 women and 388 men). Procedures included 445 bland embolizations or chemoembolizations of the liver, 88 uterine artery embolizations, and 148 procedures for Selective Internal Radiation Therapy (Y90), which included mapping and administration...
April 7, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28392101/surgical-and-endovascular-treatments-of-extracranial-carotid-artery-aneurysms-report-of-six-cases
#16
Shusuke Yamamoto, Naoki Akioka, Daina Kashiwazaki, Masaki Koh, Naoya Kuwayama, Satoshi Kuroda
BACKGROUND: Although the natural course of extracranial carotid artery aneurysms (ECAAs) is still unknown, they may cause stroke or cranial nerve dysfunction unless they are treated. In this report, we reviewed the clinical results of 6 patients who underwent endovascular and surgical treatments for ECAAs. METHODS: A total of 6 patients underwent endovascular and surgical treatments for ECAAs for 9 years. The primary causes of ECAAs included Marfan syndrome (1 patient), infection (1 patient), trauma (2 patients), and unknown (2 patients)...
April 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28391020/ruptured-aneurysm-of-an-aberrant-internal-carotid-artery-successfully-treated-with-simultaneous-intervention-and-surgery-in-a-hybrid-operating-room
#17
Yoichiro Kawamura, Tetsuro Sayama, Naoki Maehara, Ataru Nishimura, Koji Iihara
BACKGROUND: Aberrant internal carotid artery (aICA) is an anatomical anomaly whereby the internal carotid artery (ICA) courses through the tympanic cavity without separation by bone. Since aICA is rare, there are no definite treatment strategies for aICA and its complications. CASE DESCRIPTION: We report a case of aICA accompanied by pseudoaneurysm formation and massive bleeding. Our case was a 31-year-old woman with a 2-year history of hearing loss, ear fullness, and pulsatile tinnitus in her left ear...
April 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28390709/intra-and-inter-rater-reliability-of-peripheral-arterial-blood-flow-velocity-by-means-of-doppler-ultrasound
#18
Elaine Caldeira de Oliveira Guirro, Gabriella de Paula Marcondes Ferreira Leite, Almir Vieira Dibai-Filho, Nathalia Cristina de Souza Borges, Rinaldo Roberto de Jesus Guirro
OBJECTIVE: Although it is possible to find studies that analyze the velocity of blood flow in different arteries, the reliability of Doppler ultrasound on peripheral arteries has not yet been completely established. Our objective was to evaluate intra- and inter-rater reliability of the measurement of blood flow velocity by Doppler ultrasound of brachial, radial, popliteal, and posterior tibial arteries. METHODS: Fifty healthy individuals of both genders, aged between 18 and 45 years, were included in the study...
April 5, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28389252/the-impact-of-patient-demographics-anatomy-comorbidities-and-peri-operative-planning-on-the-primary-functional-maturation-of-autogenous-radiocephalic-arteriovenous-fistula
#19
A Kordzadeh, A Askari, M Hoff, V Smith, Y Panayiotopoulos
OBJECTIVES: The aim of this study was to evaluate the collective and/or independent impact of patient demographics, comorbidities, anatomical factors, and peri-operative parameters on the primary functional maturation of RCAVFs. This study also aimed to identify the range and best cut off value for each variable and evaluate the likelihood, significance and percentage of primary functional maturation of RCAVFs. METHODS: This was a prospective consecutive single centre cohort study over a 4 year period; it was conducted on patients with the intention-to-treat using a radiocephalic arteriovenous fistula (RCAVF) (Brescia-Cimino)...
April 4, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28387125/is-the-complication-rate-of-ulnar-and-radial-approaches-for-coronary-artery-intervention-the-same
#20
Xile Bi, Qingsheng Wang, Defeng Liu, Quan Gan, Li Liu
We compared the clinical outcomes of patients who underwent coronary artery intervention by the transulnar and transradial artery approaches. In this 1 year, single-center study, patients were randomized to either a radial artery (RA) or ulnar artery (UA) group. Of 538 patients, the primary outcome, arterial occlusion of a forearm artery, occurred in 21 of 225 patients in the RA group compared to 6 of 220 patients in the UA group (9.3% vs 2.7%, P = .007). The rate of arterial occlusion was significantly lower following ulnar access compared to radial (odds ratio [OR] = 3...
January 1, 2017: Angiology
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