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Condition: Ischemic Stroke
Therapy: Cardiac Resynchronization Therapy

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Total 19 results found since Jan 2013.

Multipoint left ventricular pacing effects on hemodynamic parameters and functional status: HUMVEE single-arm clinical trial (NCT03189368)
CONCLUSIONS: optimized MPP showed significant improvements on hemodynamic parameters and ventricular function, in heart failure patients over optimized CRT. The beneficial effect was more prominent in men and in those with rather reduced LVEF, consistent with findings suggesting a beneficial trend in VAC and CP with the more homogenous depolarization offered by optimized MPP.PMID:33677032 | DOI:10.1016/j.hjc.2021.02.012
Source: Hellenic Journal of Cardiology - March 7, 2021 Category: Cardiology Authors: Christos-Konstantinos Antoniou Polychronis Dilaveris Christina Chrysohoou Konstantinos Konstantinou Nikolaos Magkas Panagiotis Xydis Panagiota Manolakou Ioannis Skiadas Konstantinos A Gatzoulis Dimitris Tousoulis Costas Tsioufis Source Type: research

ICDs Have Come a Long Way in 40 Years
Michel Mirowski and his colleagues gave the field of implantable cardioverter-defibrillators (ICDs) a pretty good start, but what's more impressive is how far the technology has advanced since that first human ICD implant in February 1980. In the past 40 years we've seen ICDs become dramatically smaller, longer lasting, more capable, more personalized, subcutaneous (non-transvenous), and even MRI-firendly. And that's not to mention the advanced data connectivity and monitoring capabilities that the latest technologies offer. So without further ado, let's take a look at the current ICD landscape and the companie...
Source: MDDI - February 4, 2020 Category: Medical Devices Authors: Amanda Pedersen Tags: Implants Source Type: news

Effects of remote monitoring of cardiac implantable electronic devices after stroke or transient ischemic attack
Conclusion We found that remote monitoring as compared with conventional in-hospital visits may contribute to a better outcome in CIED recipients who had suffered from an ischemic cerebral event.
Source: Journal of Cardiovascular Medicine - August 1, 2019 Category: Cardiology Tags: Research articles: Telemonitoring Source Type: research

Age-Dependence of Flow Homeostasis in the Left Ventricle
Conclusions: In average, blood spends 1 to 3 beats inside the LV with very low shear stress rates. The apical region is the most prone to blood stasis, particularly in mid-aged adults. The washout of blood in the normal LV is age-dependent due to physiological changes in the degree of apical penetration of the filling waves. Introduction Cardioembolic stroke is a major source of mortality and disability worldwide and blood stasis one of its major determinants (Adams et al., 1986). Left ventricular (LV) function has evolved to maximize mechanical efficiency and ensure organ perfusion at a low cost of energy and fill...
Source: Frontiers in Physiology - April 25, 2019 Category: Physiology Source Type: research

Incidence, Clinical Characteristics, and Long-term Outcome of the Dilated Phase of Hypertrophic Cardiomyopathy.
Abstract Some patients with hypertrophic cardiomyopathy (HCM) develop systolic dysfunction, called the dilated phase of HCM (d-HCM), which is associated with increased morbidity and mortality. We conducted a retrospective study using an HCM database to clarify the incidence, clinical characteristics, and long-term outcomes of d-HCM. We analyzed an HCM cohort consisting of 434 patients (273 with apical HCM and 161 with non-apical HCM; 18 had obstructive HCM, 16 had dilated HCM, and 127 had other HCM) diagnosed by echocardiography in our hospital between 1991 and 2010. The follow-up period was 8.4 ± 6.7 years. The ...
Source: The Keio Journal of Medicine - December 29, 2018 Category: Universities & Medical Training Authors: Aizawa Y, Tanimoto Y, Hirata Y, Fujisawa T, Fukuoka R, Nakajima K, Katsumata Y, Nishiyama T, Kimura T, Yuasa S, Kohno T, Kohsaka S, Murata M, Maekawa Y, Furukawa Y, Takatsuki S, Fukuda K Tags: Keio J Med Source Type: research

Estimating the incidence of atrial fibrillation in single ‐chamber implantable cardioverter defibrillator patients
ConclusionsAtrial arrhythmias occur frequently, and significant underutilization of anticoagulation is suggested in single ‐chamber ICD recipients. Routine screening for AF should be considered among single‐chamber ICD recipients.This article is protected by copyright. All rights reserved
Source: Pacing and Clinical Electrophysiology : PACE - November 26, 2018 Category: Cardiology Authors: Steven Zweibel, Edmond M. Cronin, Edward J. Schloss, Angelo Auricchio, Takashi Kurita, Laurence D. Sterns, Bart Gerritse, Daniel R. Lexcen, Alan Cheng Tags: DEVICES Source Type: research

EBR Systems launches trial for wireless pacer
EBR Systems said yesterday that it launched a 350-patient investigational device exemption trial of its Wise wireless pacemaker it hopes to use to win FDA approval. Sunnyvale, Calif.-based EBR’s device uses a subcutaneous generator to wirelessly deliver ultrasound energy to a “pellet” implanted in the right ventricle, which it uses to synchronize the left and right ventricles. The system is designed to eliminate the need for a left ventricular lead by allowing the operating physician to place the stimulation “pellet” in a patient-specific location inside the left ventricle. The FDA approved the Solve-CRT stu...
Source: Mass Device - March 8, 2018 Category: Medical Devices Authors: Brad Perriello Tags: Cardiovascular Clinical Trials Cardiac Rhythm Management EBR Systems Inc. Source Type: news

Long-term outcome of catheter ablation and other form of therapy for electrical storm in patients with implantable cardioverter-defibrillators
ConclusionsIn patients treated with RFCA for ES, all-cause mortality was significantly lower compared to the group treated with other methods.
Source: Journal of Interventional Cardiac Electrophysiology - October 24, 2017 Category: Cardiology Source Type: research

MassDevice.com +5 | The top 5 medtech stories for November 14, 2016
Say hello to MassDevice +5, a bite-sized view of the top five medtech stories of the day. This feature of MassDevice.com’s coverage highlights our 5 biggest and most influential stories from the day’s news to make sure you’re up to date on the headlines that continue to shape the medical device industry. Get this in your inbox everyday by subscribing to our newsletters.   5. Final FDA rules clarify adverse event reporting for contract manufacturers The FDA last week issued final guidance for medical device companies on the requirements for reporting adverse events that walked back much of the burde...
Source: Mass Device - November 14, 2016 Category: Medical Equipment Authors: MassDevice Tags: News Well Plus 5 Source Type: news

Bifocal left ventricular stimulation or the optimal left ventricular stimulation site in cardiac resynchronization therapy: a pressure-volume loop study
Conclusion Stimulation at the optimal LV site showed a significantly higher pump function improvement compared with bifocal LV stimulation. Mechanical activation at the optimal LV site was significantly more delayed compared with the non-optimal LV site. In general, these results suggest that implantation of a second LV lead yields no additional benefit over implantation of one optimally placed LV lead. However, a bifocal approach might be beneficial in the individual patient.
Source: Europace - June 28, 2016 Category: Cardiology Authors: de Roest, G. J., Wu, L., de Cock, C. C., Delnoy, P.-P. H. M., Hendriks, M. L., van Rossum, A. C., Allaart, C. P. Tags: Pacing and resynchronization therapy Source Type: research

Changes in Implantation Patterns and Therapy Rates of Implantable Cardioverter Defibrillators over Time in Ischemic and Dilated Cardiomyopathy Patients
ConclusionThese changes in clinical practice with a shift to primary prevention and rise in non‐ICM implants caused a significant decrease in AS incidence, while IAS remained stable. Receiving AS or IAS was not an independent predictor of mortality in our real‐life cohort.
Source: Pacing and Clinical Electrophysiology : PACE - June 6, 2016 Category: Cardiology Authors: BERT VANDENBERK, CHRISTOPHE GARWEG, GABOR VOROS, VINCENT FLORÉ, THOMAS MARYNISSEN, CHRISTIAN STICHERLING, MARKUS ZABEL, JORIS ECTOR, RIK WILLEMS Tags: ORIGINAL Source Type: research

HRS 2016 roundup: Leadless pacers at the fore
Medtronic (NYSE:MDT) and St. Jude Medical (NYSE:STJ), aiming to distinguish their respective leadless pacemaker offerings, presented new data last week in San Francisco at the Heart Rhythm Society’s annual meeting. St. Jude said a subset of data from the Leadless II trial showed that its Nanostim device was was successfully retrieved in 14 patients up to 3.2 years after implantation, with no serious adverse events. “We’ve now shown that for patients requiring device upgrades or new leadless pacing options, late retrievability – even up to 3 years – is possible with the Nanostim leadless pacemak...
Source: Mass Device - May 9, 2016 Category: Medical Equipment Authors: Brad Perriello Tags: Cardiovascular Clinical Trials Boston Scientific Cardiac Rhythm Management HRS 2016 Medtronic St. Jude Medical Source Type: news

The influence of right ventricular stimulation on acute response to cardiac resynchronisation therapy.
CONCLUSION: The haemodynamic effect of addition of RVapex stimulation to LV stimulation differs widely among patients receiving CRT. Poor RV function is associated with poor response to LV but not BiV stimulation. PMID: 26649436 [PubMed - as supplied by publisher]
Source: Netherlands Heart Journal - December 9, 2015 Category: Cardiology Authors: Wu L, de Roest GJ, Hendriks ML, van Rossum AC, de Cock CC, Allaart CP Tags: Neth Heart J Source Type: research