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Condition: Stroke
Procedure: Heart Valve Surgery

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Total 3059 results found since Jan 2013.

Serial Magnetic Resonance Imaging in Hypoplastic Left Heart Syndrome Gives Valuable Insight Into Ventricular and Vascular Adaptation
Conclusions: In HLHS, serial MRI shows the adaptation of the systemic RV after HF with volume reduction in the context of a preserved stroke volume and an increased ejection fraction. The staged palliation in HLHS may be a risk factor particularly for reduced left pulmonary artery growth in itself as no factors investigated in this study were found to significantly impact on this.
Source: Journal of the American College of Cardiology - January 30, 2013 Category: Cardiology Authors: Hannah R. Bellsham-Revell, Shane M. Tibby, Aaron J. Bell, Thomas Witter, John Simpson, Philipp Beerbaum, David Anderson, Conal B. Austin, Gerald F. Greil, Reza Razavi Tags: Congenital Heart Disease Source Type: research

The Impact of Specific Preoperative Organ Dysfunction in Patients Undergoing Aortic Valve Replacement ORIGINAL ARTICLES: ADULT CARDIAC
Conclusions The presence of chronic renal failure most profoundly decreases survival, followed by severe chronic obstructive pulmonary disease and prior stroke. Furthermore, multiple OD systems significantly decrease short- and long-term survival.
Source: The Annals of Thoracic Surgery - February 28, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Thourani, V. H., Chowdhury, R., Gunter, R. L., Kilgo, P. D., Chen, E. P., Puskas, J. D., Halkos, M. E., Lattouf, O. M., Cooper, W. A., Guyton, R. A. Tags: Valve disease ORIGINAL ARTICLES: ADULT CARDIAC Source Type: research

Transapical aortic valve replacement in extreme-risk patients: outcome, risk factors and mid-term results ADULT CARDIAC
CONCLUSIONS TA-TAVR in extreme-risk patients carries a moderate risk of hospital mortality. Severe comorbidities and presence of residual paravalvular leakages affect the mid-term survival, whereas surviving patients have an acceptable quality of life without rehospitalizations for cardiac decompensation.
Source: European Journal of Cardio-Thoracic Surgery - April 8, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Ferrari, E., Namasivayam, J., Marcucci, C., Gronchi, F., Berdajs, D., Niclauss, L., von Segesser, L. K. Tags: ADULT CARDIAC Source Type: research

Clinical implications for diffusion‐weighted MRI brain lesions associated with transcatheter aortic valve replacement
Transcatheter aortic valve replacement (TAVR) is increasingly used to treat patients with aortic stenosis deemed high or extreme surgical risk candidates. Despite improved survival and quality of life following the procedure, TAVR is not without its complications. Stroke is a major source of morbidity and mortality in patients undergoing the procedure, with rates similar to and often higher than those associated with surgery. Most studies show a consistent link between TAVR and embolic lesions visualized on diffusion‐weighted magnetic resonance imaging. The question of whether these lesions lead to long‐term cognitive ...
Source: Catheterization and Cardiovascular Interventions - April 9, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Stephanie M. Meller, Andreas Baumbach, Adam M. Brickman, Alexandra J. Lansky Tags: Valvular and Structural Heart Diseases Source Type: research

Anticoagulation management in patients with mechanical heart valves having pacemaker or defibrillator insertion
Conclusion: We found a low risk for stroke in the absence of postoperative bridging. For patients with device replacement surgery reversal of the anticoagulant effect at the time of procedure might reduce the risk for pocket hematoma, but this requires prospective evaluation including the risk of thromboembolism.
Source: Thrombosis Research - January 31, 2013 Category: Hematology Authors: S. Schulman, J. Schoenberg, S. Divakara Menon, A.C. Spyropoulos, J.S. Healey, J.W. Eikelboom Tags: Clinical Studies Source Type: research

Transapical Aortic Valve Replacement for Severe Aortic Stenosis: Results From the Nonrandomized Continued Access Cohort of the PARTNER Trial.
CONCLUSIONS: Among the 975 patients in the NRCA-TA cohort, rates of major outcomes including death and stroke compared favorably with outcomes of PMA-TA and SAVR patients enrolled in the PARTNER trial. This trend toward improved outcomes may be attributed to improved patient selection, individual centers surmounting the procedural learning curve, and refinements in surgical technique. PMID: 23968764 [PubMed - as supplied by publisher]
Source: The Annals of Thoracic Surgery - August 20, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Dewey TM, Bowers B, Thourani VH, Babaliaros V, Smith CR, Leon MB, Svensson LG, Tuzcu EM, Miller DC, Teirstein PS, Tyner J, Brown DL, Fontana GP, Makkar RR, Williams MR, George I, Kirtane AJ, Bavaria JE, Mack MJ Tags: Ann Thorac Surg Source Type: research

Individually Optimized Hemodynamic Therapy Reduces Complications and Length of Stay in the Intensive Care Unit: A Prospective, Randomized Controlled Trial
Background: The authors hypothesized that goal-directed hemodynamic therapy, based on the combination of functional and volumetric hemodynamic parameters, improves outcome in patients with cardiac surgery. Therefore, a therapy guided by stroke volume variation, individually optimized global end-diastolic volume index, cardiac index, and mean arterial pressure was compared with an algorithm based on mean arterial pressure and central venous pressure. Methods: This prospective, controlled, parallel-arm, open-label trial randomized 100 coronary artery bypass grafting and/or aortic valve replacement patients to a study group (...
Source: Anesthesiology - September 17, 2013 Category: Anesthesiology Tags: Perioperative Medicine Source Type: research

Flow-Gradient Patterns in Severe Aortic Stenosis with Preserved Ejection Fraction: Clinical Characteristics and Predictors of Survival.
CONCLUSIONS: NF/LG severe AS with preserved EF exhibits favorable survival with medical management and impact of AVR on survival was neutral. LF/LG severe AS is characterized by a high prevalence of atrial fibrillation, heart failure and reduced survival, and AVR was associated with improved survival. These findings have implications for evaluation of AS severity and subsequent management. PMID: 24048203 [PubMed - as supplied by publisher]
Source: Circulation - September 18, 2013 Category: Cardiology Authors: Eleid MF, Sorajja P, Michelena HI, Malouf JF, Scott CG, Pellikka PA Tags: Circulation Source Type: research

316 * ministernotomy versus conventional sternotomy for aortic valve replacement: propensity score analysis of 808 patients
Conclusions: Aortic valve replacement can be safely conducted through a partial ministernotomy. This approach is not associated with an increased rate of complications. Prospective studies with special emphasis on endpoints such as postoperative pain, duration of postoperative recovery, and quality of life during follow-up, are needed to further clarify the role of ministernotomy for aortic valve replacement.
Source: Interactive CardioVascular and Thoracic Surgery - September 18, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Furukawa, N., Aboud, A., Schonbrodt, M., Renner, A., Hakim, K., Becker, T., Zittermann, A., Oliver, K., Gummert, J. F., Borgermann, J. Tags: Minimally invasive aortic valve surgery Source Type: research

Cross-Clamping a Porcelain Aorta: An Alternative Technique for High-Risk Patients.
Conclusions: Cross-clamping with "open proximal ascending aorta" is effective and the incidence of stroke and systemic embolisation in patients with porcelain aorta is low compared to literature. PMID: 24525522 [PubMed - as supplied by publisher]
Source: The Journal of Cardiovascular Surgery - February 13, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Hartert M, Conzelmann LO, Mehlhorn U, Schnelle N, Werner C, Vahl CF Tags: J Cardiovasc Surg (Torino) Source Type: research

Cerebral Events and Protection During Transcatheter Aortic Valve Replacement
Abstract Stroke has emerged as one of the most concerning complications following transcatheter aortic valve replacement (TAVR); associated with high morbidity and mortality. We discuss the potential mechanisms of stroke following TAVR, as well as the newly developed embolic protection devices aimed to reduce the risk of stroke. © 2014 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - February 19, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Melanie Freeman, Marco Barbanti, David A. Wood, Jian Ye, John G. Webb Tags: Core Curriculum Source Type: research

Thrombolytic therapy or surgery for valve prosthesis thrombosis: systematic review and meta‐analysis
ConclusionMortality in patients treated by thrombolytic therapy for valve prosthesis thrombosis is significantly lower than in patients treated surgically. As we cannot yet ascertain whether this difference is due to the treatment alone, more studies now are necessary to further clarify these findings.This article is protected by copyright. All rights reserved.
Source: Journal of Thrombosis and Haemostasis - April 2, 2014 Category: Hematology Authors: F. M. Castilho, M. R. Sousa, A. L. P. Mendonça, A. L. P. Ribeiro, F. M. Cáceres‐Lóriga Tags: Original Article ‐ Cardiovascular Medicine Source Type: research

Thrombolytic therapy or surgery for valve prosthesis thrombosis: systematic review and meta-analysis.
CONCLUSION: Mortality in patients treated by thrombolytic therapy for valve prosthesis thrombosis is significantly lower than in patients treated surgically. As we cannot yet ascertain whether this difference is due to the treatment alone, more studies now are necessary to further clarify these findings. This article is protected by copyright. All rights reserved. PMID: 24698327 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - April 2, 2014 Category: Hematology Authors: Castilho FM, Sousa MR, Mendonça AL, Ribeiro AL, Cáceres-Lóriga FM Tags: J Thromb Haemost Source Type: research

Dynamic variables and fluid responsiveness in patients for aortic stenosis surgery
ConclusionsThe arterial pressure‐based variables had moderate predictive values before valve replacement, but it predicted fluid responsiveness well postoperatively. Pleth variability index did not predict fluid responsiveness preoperatively, and it had a moderate predictive value postoperatively. These results indicate that arterial pressure‐based dynamic variables have limited potential to guide fluid therapy in patients with aortic stenosis. Their ability to guide fluid therapy after aortic valve replacement seems better.
Source: Acta Anaesthesiologica Scandinavica - April 29, 2014 Category: Anesthesiology Authors: L. Ø. HØISETH, I. E. HOFF, O. A. HAGEN, S. A. LANDSVERK, K. A. KIRKEBØEN Tags: Original Article Source Type: research

Transapical Aortic Valve Implantation—An Australian Experience
Conclusion: Good short-term outcomes and low or zero mortality are achievable with transapical TAVI at an Australian institution.
Source: Heart, Lung and Circulation - December 6, 2013 Category: Cardiology Authors: Michael Seco, Gonzalo Martinez, Paul G. Bannon, Bruce L. Cartwright, Mark Adams, Martin Ng, Michael K. Wilson, Michael P. Vallely Tags: Original Articles Source Type: research