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Procedure: Heart Transplant

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Total 1298 results found since Jan 2013.

Design, Implementation, and Validation of a Pulsatile Heart Phantom Pump
In this study, we aimed to develop an affordable pulsatile pump and an artificial circulatory system to simulate the blood flow for validation purposes. Initially, the prerequisites for the phantom were pulsating flow output equal to that of the human cardiac pulse pattern; the flow pattern of the mimicked cardiac output should be equal to that of a human, a variable stroke volume (40 –120 ml/beat), and a variable heart rate (60–170 bpm). The developed phantom setup was tested with CT scanner. A washout profile was created based on the image intensity of the selected slice. The test was successful for a heart rate of...
Source: Journal of Digital Imaging - August 9, 2020 Category: Radiology Source Type: research

In-hospital Outcomes of Left Ventricular Assist Devices (LVAD) Patients Undergoing Noncardiac Surgery
An increasing number of stage D heart failure patients are supported with left ventricular assist devices (LVADs), and the management of LVAD patients who require noncardiac surgery (NCS) presents unique challenges. Using the 2010–2014 National Inpatient Sample, we identified all adult cases of LVAD patients undergoing noncardiac surgeries using ICD-9-CM codes. We estimated inpatient mortality, bleeding complications, stroke, length of stay (LOS), and cost of hospitalization of the admissions related to NCS using mixed effects logistic and linear mixed regressions, respectively. A total of 30,323 patients with LVADs unde...
Source: ASAIO Journal - February 1, 2021 Category: Medical Devices Tags: Adult Circulatory Support Source Type: research

Propensity score ‐based analysis of long‐term outcome of patients on HeartWare and HeartMate 3 left ventricular assist device support
ConclusionsSurvival was not significantly different between both groups after PS matching, but was better for HM3, with a significantly lower incidence of haemorrhagic stroke and pump thrombosis for HM3. These results need to be interpreted carefully, because matching may have introduced greater imbalance on unmeasured covariates. A multicentre approach of carefully selected centres is recommended to enlarge the number of matched patients.
Source: ESC Heart Failure - February 26, 2021 Category: Cardiology Authors: Lieke Numan, Faiz Z. Ramjankhan, Daniel L. Oberski, Martinus I.F.J. Oerlemans, Emmeke Aarts, Monica Gianoli, Joris J. Van Der Heijden, Nicolaas De Jonge, Niels P. Van Der Kaaij, Christiaan L. Meuwese, Mostafa M. Mokhles, Anne ‐Marie Oppelaar, Tags: Original Research Article Source Type: research

Limited Effect of 60-Days Strict Head Down Tilt Bed Rest on Vascular Aging
Conclusion60 days HDTBR, while producing cardiovascular deconditioning and cephalad fluid shifts akin to weightlessness, did not worsen vascular stiffness. Artificial gravity training did not modulate the response.
Source: Frontiers in Physiology - May 28, 2021 Category: Physiology Source Type: research

A vesetranszplant áció korai posztoperatív hatásai a szív- és érrendszeri betegségekre klinikai gyakorlatunkban
CONCLUSION: After transplantation, the left atrial and the end-systolic diameter of the left ventricle regrediated, decreasing the frequency of arrhythmic episodes. The number of the middle grade mitral valve regurgitation decreased and the calcification among diabetic population increased significantly. Orv Hetil. 2021; 162(26): 1052-1062.PMID:34175832 | DOI:10.1556/650.2021.32269
Source: Orvosi Hetilap - June 27, 2021 Category: General Medicine Authors: Andrea Darag ó Gerda Schwegler Eszter Szab ó Dorina Bark ó R éka P Szabó Attila Csaba Nagy Gerg ő József Szőllősi Bal ázs Nemes Source Type: research

Early postoperative effects of kidney transplantation on the cardiovascular system in our clinical practice
CONCLUSION: After transplantation, the left atrial and the end-systolic diameter of the left ventricle regrediated, decreasing the frequency of arrhythmic episodes. The number of the middle grade mitral valve regurgitation decreased and the calcification among diabetic population increased significantly. Orv Hetil. 2021; 162(26): 1052-1062.PMID:34175832 | DOI:10.1556/650.2021.32269
Source: Orvosi Hetilap - June 27, 2021 Category: General Medicine Authors: Andrea Darag ó Gerda Schwegler Eszter Szab ó Dorina Bark ó R éka P Szabó Attila Csaba Nagy Gerg ő József Szőllősi Bal ázs Nemes Source Type: research

Phenylephrine-Induced Cardiovascular Changes in the Anesthetized Mouse: An Integrated Assessment of in vivo Hemodynamics Under Conditions of Controlled Heart Rate
ConclusionIn conclusion, this in vivo murine model is capable of distinguishing between changes in peripheral vascular and cardiac functions. This study underlines the primary effect of phenylephrine on vascular function with secondary changes to cardiac function. Hence, this in vivo model is useful for the integrated assessment of the cardiovascular system.
Source: Frontiers in Physiology - February 17, 2022 Category: Physiology Source Type: research

Optimization of Left Ventricle Size After VAD Implantation Prevents Incidence of Cerebral Infarction
Stroke after ventricular assist device (VAD) implantation is a critical complication. Previous studies have noted the distance between the inflow cannula and the left ventricular (LV) septum, as well as an angulation of the inflow cannula from the apical axis, related to the incidence of stroke. In the early phase after VAD implantation, diuresis is caused by improved renal blood flow, furthermore, rapid volume reduction of LV greatly changes circulating plasma volume, resulting in increased stroke risk; however, little is known about an appropriate indicator for the prevention of this phenomenon.
Source: The Journal of Heart and Lung Transplantation - April 1, 2022 Category: Transplant Surgery Authors: R. Ikeda, Y. Ichihara, Y. Yamada, S. Saito, T. Nishinaka, T. Shinkawa, H. Niinami Tags: (1142) Source Type: research

Preventive Effect of Bone Marrow Mononuclear Cell Transplantation on Acute Myocardial Infarction-Induced Heart Failure: A Meta-analysis of Randomized Controlled Trials
ConclusionAutologous injection of BM-MNC in the setting of AMI may be associated with decreased risk of hospitalization of heart failure in the long term. However, its effect on all-cause mortality and stroke rate is questionable.
Source: Cardiovascular Drugs and Therapy - July 25, 2022 Category: Cardiology Source Type: research