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https://www.readbyqxmd.com/read/27909275/-pseudoaneurysm-formation-after-aortic-root-replacement-using-freestyle-porcine-bioprosthesis
#1
Tetsuro Uchida, Azumi Hamasaki, Atsushi Yamashita, Ken Nakamura, Jun Hayashi, Satoko Funata, Seigo Gomi, Mitsuaki Sadahiro
We report a case of pseudoaneurysm formation after implantation of Medtronic Freestyle stentless bioprosthesis with a full root technique. A 65-year-old man previously underwent aortic root replacement with a Freestyle bioprosthesis. Ten years after the initial operation, pseudoaneurysm of the aortic root with a diameter of 6 cm was observed by computed tomography. At the reoperation, there was no sign of infective endocarditis, and the pseudoaneurysm was found to originate from the ruptured left and noncoronary sinuses...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27904925/breaking-sitting-with-light-activities-vs-structured-exercise-a-randomised-crossover-study-demonstrating-benefits-for-glycaemic-control-and-insulin-sensitivity-in-type-2-diabetes
#2
Bernard M F M Duvivier, Nicolaas C Schaper, Matthijs K C Hesselink, Linh van Kan, Nathalie Stienen, Bjorn Winkens, Annemarie Koster, Hans H C M Savelberg
AIMS/HYPOTHESIS: We aimed to examine the effects of breaking sitting with standing and light-intensity walking vs an energy-matched bout of structured exercise on 24 h glucose levels and insulin resistance in patients with type 2 diabetes. METHODS: In a randomised crossover study, 19 patients with type 2 diabetes (13 men/6 women, 63 ± 9 years old) who were not using insulin each followed three regimens under free-living conditions, each lasting 4 days: (1) Sitting: 4415 steps/day with 14 h sitting/day; (2) Exercise: 4823 steps/day with 1...
December 1, 2016: Diabetologia
https://www.readbyqxmd.com/read/27890862/randomized-blinded-and-controlled-comparative-study-of-chemical-and-radiofrequency-based-renal-denervation-in-a-porcine-model
#3
Stefan Bertog, Tim A Fischell, Félix Vega, Vartan Ghazarossian, Atul Pathak, Laura Vaskelyte, Darrin Kent, Horst Sievert, Elena Ladich, Kazuyuki Yahagi, Renu Virmani
AIMS: The blood pressure lowering effect of percutaneous renal denervation (RDN) is controversial. Success of RDN may be device-dependent. We sought to compare the efficacy of RDN by chemical neurolysis using alcohol (Peregrine System™ Infusion Catheter, Ablative Solutions, Inc. Menlo Park, CA, USA) to RDN by radiofrequency (RF) ablation with the single-electrode RF catheter (Symplicity™ Flex, Medtronic Inc., Minneapolis, MN, USA) in a porcine model. METHODS AND RESULTS: This was a prospective, randomized, blinded study...
November 29, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27890526/femoropopliteal-in-stent-restenosis-repair-midterm-outcomes-after-paclitaxel-eluting-balloon-use-plaisir-trial
#4
N Bague, P Julia, A Sauguet, J M Pernès, P Chatelard, J F Garbé, S Penillon, J M Cardon, P Commeau, O Planché, B Guyomarch, Y Gouëffic
OBJECTIVE: The aim was to assess 18 month outcomes of the paclitaxel eluting balloon (PEB) in patients with femoropopliteal (FP) in-stent restenosis (ISR). METHODS: In a national prospective and multicentre cohort study, symptomatic patients with femoropopliteal in-stent restenosis were included from January 2012 to June 2013. Patients were treated by paclitaxel eluting balloon angioplasty (In Pact Admiral, Medtronic, Santa Rosa, CA, USA). Clinical and duplex scan follow-up evaluations were performed at 1, 3, 6, 9, 12, and 18 months...
November 24, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27889044/leadless-pacemakers
#5
REVIEW
Mikhael F El-Chami, Faisal M Merchant, Angel R Leon
Leadless pacing is an emerging technology with the potential to significantly improve outcomes associated with the need for long-term pacing. Specifically, the major advantage of leadless systems is abolishing the need for transvenous leads and subcutaneous pockets, both of which account for most adverse events associated with traditional pacemakers. Two leadless pacemakers are currently available: the Nanostim (leadless cardiac pacemaker [LCP]) device (St. Jude Medical, Sylmar, California) and the Micra Transcatheter pacing system (Medtronic, Minneapolis, Minnesota)...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27888571/melody-valve-implantation-within-freestyle-stentless-porcine-aortic-heterograft
#6
James A Kuo, Ashlea A Feezel, Traci N Putnam, Deborah A Schutte
BACKGROUND: The Melody transcatheter pulmonary valve has been implanted successfully worldwide since its first implant in 2000. The vast majority of these valves have been implanted in pulmonary homografts. In our institution, the most common valve used for pulmonary valve replacement is the Medtronic Freestyle stentless porcine aortic heterograft. OBJECTIVE: We describe our experience implanting the Melody valve within the Freestyle heterograft. METHODS: Retrospective chart review was performed...
November 26, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27888552/initial-clinical-experience-with-the-medtronic-micro-vascular-plug%C3%A2-in-transcatheter-occlusion-of-pdas-in-extremely-premature-infants
#7
Shyam Sathanandam, Henri Justino, B Rush Waller, Wolfgang Radtke, Athar M Qureshi
OBJECTIVES: To describe the early multicenter, clinical experience with the Medtronic Micro Vascular Plug™ (MVP) for the occlusion of patent ductus arteriosus (PDA) in premature infants. BACKGROUND: The MVP is a large diameter plug that can be delivered through a microcatheter for occlusion of abnormal blood vessels. METHODS: A Retrospective review of PDA embolization procedures performed in two centers using the MVP was performed. RESULTS: Fifteen premature infants underwent attempted PDA occlusion using the MVP...
November 26, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27885706/insulin-pump-failures-in-italian-children-with-type%C3%A2-1-diabetes-retrospective-1-year-cohort-study
#8
I Rabbone, N Minuto, R Bonfanti, M Marigliano, F Cerutti, V Cherubini, G d'Annunzio, A Frongia, D Iafusco, G Ignaccolo, F Lombardo, R Schiaffini, S Toni, S Tumini, S Zucchini, A Pistorio, A E Scaramuzza
AIMS: Insulin pump failure and/or malfunction requiring replacement have not been thoroughly investigated. This study evaluated pump replacement in children and adolescents with Type 1 diabetes using insulin pump therapy. METHODS: Data were collected for all participants younger than 19 years, starting insulin pump therapy before 31 December 2013. For each child, age, disease duration, date of insulin pump therapy initiation, insulin pump model, failure/malfunction/replacement yes/no and reason were considered for the year 2013...
November 25, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/27882613/improvements-of-procedural-results-with-a-new-generation-self-expanding-transfemoral-aortic-valve-prosthesis-in-comparison-to-the-old-generation-device
#9
Bruna Gomes, Nicolas A Geis, Emmanuel Chorianopoulos, Benjamin Meder, Florian Leuschner, Hugo A Katus, Raffi Bekeredjian
OBJECTIVES: In this study, we compare procedural results of our first Evolut R (Medtronic, Minneapolis, MN, USA) implantations with the last CoreValve implantations. Main endpoints include paravalvular regurgitation, major vascular complications, stroke, and pacemaker implantation. BACKGROUND: The evolution of transcatheter aortic valve replacement (TAVR) was possible due to various technical improvements, leading to better periprocedural and long-term outcome. The newly designed Evolut R valve has the potential to further improve TAVR's performance...
November 24, 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27878365/-implantable-loop-recorders-of-the-reveal-family-medtronic
#10
Frederik Voss
This review explains the implantable loop recorders Medtronic Reveal XT and Medtronic Reveal LINQ. Technical specifications of the two devices are described in great detail. Additional tips for implantation as well as device programming are given including specific considerations of follow-up.
November 22, 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27876520/explaining-endograft-shortening-during-endovascular-repair-of-abdominal-aortic-aneurysms-in-severe-aortoiliac-tortuosity
#11
Kevin Lee, Sajjid Hossain, Maher Sabalbal, Luc Dubois, Audra Duncan, Guy DeRose, Adam H Power
OBJECTIVE: During endovascular aneurysm repair (EVAR), severely tortuous aortoiliac anatomy can alter the deployment and conformability of the endograft. The accuracy of treatment length measurements is commonly recognized to be affected by severe tortuosity. However, the exact mechanism of the postintervention length discrepancy is poorly understood. The objective of this study was to determine the mechanism of how severe aortoiliac tortuosity influences the endograft and native aorta during EVAR and its impact on the distal sealing zone...
November 19, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27871986/second-generation-cryoballoon-ablation-without-the-use-of-real-time-recordings-a-novel-strategy-based-on-a-temperature-guided-approach-to-ablation
#12
Saverio Iacopino, Giacomo Mugnai, Ken Takarada, Gaetano Paparella, Erwin Ströker, Valentina De Regibus, Hugo Enrique Coutino-Moreno, Rajin Choudhury, Juan Pablo Abugattas de Torres, Pedro Brugada, Carlo de Asmundis, Gian-Battista Chierchia
BACKGROUND: The achievement of -40°C within 60 seconds has proven to independently predict durable PV isolation in the setting of second generation cryoballoon (CB-A; Medtronic; USA) ablation. OBJECTIVE: In the present study, we sought to evaluate a strategy based on the attainment of the specific parameter of -40°C within the first 60 seconds during cryoenergy applications in the setting of CB-A without the use of an inner lumen mapping catheter (ILMC) (Achieve; Medtronic, USA) for the visualisation of real time recordings (RTR)...
November 18, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27870644/analysis-of-physiological-respiratory-variable-alarm-alerts-among-laboring-women-receiving-remifentanil
#13
Carolyn F Weiniger, Brendan Carvalho, Daniel Stocki, Sharon Einav
BACKGROUND: Remifentanil may be used by laboring women for analgesia, despite controversy because of potential apneas. We evaluated candidate variables as early warning alerts for apnea, based on prevalence, positive predictive rate, sensitivity for apnea event detection, and early warning alert time intervals (lead time) for apnea. METHODS: We performed a secondary analysis of respiratory physiological data that had been collected during a prospective IRB-approved study of laboring women receiving IV patient-controlled boluses of remifentanil 20 to 60 μg every 1 to 2 minutes...
November 18, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27860173/novel-use-of-the-medtronic-micro-vascular-plug-for-pda-closure-in-preterm-infants
#14
Elizabeth W Wang-Giuffre, John P Breinholt
OBJECTIVES: To describe a single institution experience with a new endovascular occlusion device used for transcatheter patent ductus arteriosus (PDA) closure in preterm infants. BACKGROUND: The PDA is a defect largely treated via cardiac catheterization except for the smallest patients. METHODS: Medical records and catheterization reports of all premature neonates who underwent PDA device closure with the Medtronic Micro Vascular Plug (MVP) (Medtronic, Minneapolis, MN) between September 2015 and June 2016 were reviewed...
November 10, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27859579/sixty-hertz-stimulation-improves-bradykinesia-and-amplifies-subthalamic-low-frequency-oscillations
#15
REVIEW
Zack Blumenfeld, Mandy Miller Koop, Thomas E Prieto, Lauren A Shreve, Anca Velisar, Emma J Quinn, Megan H Trager, Helen Brontë-Stewart
BACKGROUND: The objective of this study was to investigate the hypothesis that attenuation of subthalamic nucleus (STN) alpha-/beta-band oscillations is causal to improvement in bradykinesia. METHODS: STN local field potentials from a sensing neurostimulator (Activa(®) PC+S; Medtronic, Inc.) and kinematics from wearable sensors were recorded simultaneously during 60- and 140-Hz deep brain stimulation (DBS) in 9 freely moving PD subjects (15 STNs) performing repetitive wrist flexion-extension...
November 8, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27858592/ultrasound-guided-access-into-the-abdomen-in-the-setting-of-portal-hypertension-a-novel-technique
#16
Cory N Criss, Matthew W Ralls, Marcus D Jarboe
As the field of minimally invasive surgery rapidly evolves, there is an opportunity to adopt innovative techniques to accommodate a variety of patient populations. In patients with portal hypertension, a major risk factor upon entry into the abdomen is injury to large, engorged paraumbilical vessels in the anterior abdominal wall. Major blood loss often results from just entering the abdomen. Here, we describe a patient with caput medusae secondary to portal hypertension presenting for laparoscopic repair of a ventral hernia...
November 18, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27858575/chronic-electrocorticography-for-sensing-movement-intention-and-closed-loop-deep-brain-stimulation-with-wearable-sensors-in-an-essential-tremor-patient
#17
Jeffrey A Herron, Margaret C Thompson, Timothy Brown, Howard J Chizeck, Jeffrey G Ojemann, Andrew L Ko
Deep brain stimulation (DBS) has become a widespread and valuable treatment for patients with movement disorders such as essential tremor (ET). However, current DBS treatment constantly delivers stimulation in an open loop, which can be inefficient. Closing the loop with sensors to provide feedback may increase power efficiency and reduce side effects for patients. New implantable neuromodulation platforms, such as the Medtronic Activa PC+S DBS system, offer important data sources by providing chronic neural sensing capabilities and a means of investigating dynamic stimulation based on symptom measurements...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27847071/evolut-r-implantation-to-treat-severe-pure-aortic-regurgitation-in-a-patient-with-mitral-bioprosthesis
#18
Giuseppe Bruschi, Paola Colombo, Stefano Nava, Francesco Musca, Bruno Merlanti, Oriana Belli, Francesco Soriano, Luca Botta, Danile De Caria, Cristina Giannattasio, Claudio F Russo
Transcatheter aortic valves have been designed to treat high-risk surgical candidates affected by severe aortic stenosis, but little is known about the use of transcatheter valves in patients with severe pure aortic regurgitation. We describe the implantation of Medtronic CoreValve Evolut R (Medtronic, Minneapolis, MN) to treat an 82-year-old patient affected by severe pure aortic regurgitation who underwent prior mitral valve replacement with a biological valve protruding into the left ventricular outflow tract...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27845874/initial-single-center-experience-with-the-fully-repositionable-transfemoral-lotus-aortic-valve-system
#19
Kai-Uwe Jarr, Florian Leuschner, Benjamin Meder, Hugo A Katus, Raffi Bekeredjian, Emmanuel Chorianopoulos
BACKGROUND: Transcatheter aortic valve replacement (TAVR) has become the standard therapy for patients with severe symptomatic aortic stenosis and unacceptable high risk for surgical aortic valve replacement. Several different devices for TAVR have been introduced so far, each of them with unique features. AIMS: To analyze our first real-world experience with the second- generation, mechanically expanded, fully repositionable transfemoral Lotus TAVR device (Boston Scientific)...
November 15, 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27837162/sensor-life-and-overnight-closed-loop-a-randomized-clinical-trial
#20
Martin Tauschmann, Janet M Allen, Malgorzata E Wilinska, Yue Ruan, Hood Thabit, Carlo L Acerini, David B Dunger, Roman Hovorka
BACKGROUND: Closed-loop (CL) systems direct insulin delivery based on continuous glucose monitor (CGM) sensor values. CGM accuracy varies with sensor life, being least accurate on day 1 of sensor insertion. We evaluated the effect of sensor life (enhanced Enlite, Medtronic MiniMed, Northridge, CA) on overnight CL. METHODS: In an open-label, randomized, 2-period, inpatient crossover pilot study, 12 adolescents on insulin pump (age 16.7 ± 1.9 years; HbA1c 66 ± 10 mmol/mol) attended a clinical research facility on 2 overnight occasions...
November 10, 2016: Journal of Diabetes Science and Technology
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