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Valve Heart Disease clinical trials

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NCT ID: NCT06261788 Completed - Valve Heart Disease Clinical Trials

Efficacy and Safety of the Sync-AV II Temporary Cardiac Pacing Catheter

Start date: June 1, 2023
Phase: N/A
Study type: Interventional

This is a prospective, single-center, non-randomized open label study. The objective of this study is to evaluate the efficacy and safety of the Sync-AV II Temporary Cardiac Pacing Catheter in subjects whose elective surgical or interventional procedure require temporary pacing support.

NCT ID: NCT06154018 Completed - Cardiac Surgery Clinical Trials

Heparin Reversal With Two Different Protamine Ratios After Cardiopulmonary By-pass.

Start date: March 18, 2023
Phase: N/A
Study type: Interventional

Protamine is routinely used as a heparin reversal agent in cardiac surgery. However, its use may be associated with adverse events, while protamine excess may have additional anti-coagulant affect. Although guidelines advise towards a diminished reversal ratio, clinical practice remain heterogenic. The purpose of this study is to compare two different reversal ratios (0.6:1 και 0.8:1) of total heparin regarding the Activated Clotting Time (ACT), viscoelastic assays (Clot-Pro) and clinical hemorrhage. A baseline ACT value and Clot Pro tests will be obtained prior to the operation start. After the initial reversal, ACT, Clot Pro tests will be conducted again. Coagulation factors are administrated according to Clot Pro results, and in case of ongoing clinical hemorrhage and any indication of heparin excess in the measured values, another 25mg of protamine is administrated, while tests are repeated.

NCT ID: NCT06079008 Completed - Diabetic Foot Clinical Trials

The Association of Cardiac Valve Calcification and 1-year Mortality After Lower-extremity Amputation in Diabetic Patients

Start date: June 1, 2016
Phase:
Study type: Observational

The goal of this observational study is to learn about the association between cardiac valve calcification and the 1-year mortality after lower-extremity amputation in diabetic patients. Diabetic patients requiring lower-extremity amputation were retrospectively studied. Preoperative detailed anamnesis was taken. Cardiac valve calcification was assessed using echocardiography at baseline. One-year follow-up was conducted and included clinical visits, hospital record assessment, and telephone reviews to obtain the survival status of patients. Researchers compare the survival group to the mortality group to study the relationship between the cardiac valve calcification and mortality.

NCT ID: NCT05804500 Completed - Clinical trials for Coronary Artery Disease

RecoveryPlus Telerehab Platform Pilot Study

Start date: March 27, 2023
Phase: N/A
Study type: Interventional

In this prospective, single-arm study, we will look at the initiation, participation, sustained engagement, and safety of 100 adult subjects (ages 45 years or older) with recent (within the past 60 days) clinician referral to CR who are offered CTR via the RecoveryPlus platform. We want to understand the effectiveness of the RecoveryPlus platform in engaging participants in CR while remaining a safe alternative for the delivery of evidence-based CR content. The primary hypothesis of this study is that the RecoveryPlus CTR platform and patient-facing mobile application provide a safe alternative to traditional in-person CR, and demonstrate a high rate of initiation, participation, and engagement in CR exercise programming than traditional modes of CR delivery, as documented in the literature. Current in-person and non-personalized CR programming lacks RecoveryPlus' convenient remote access, easy-to-use digital tools to support independent, autonomous exercise, and a platform to facilitate engagement and feedback between patients and EPs.

NCT ID: NCT04958668 Completed - Valve Heart Disease Clinical Trials

Prospective Evaluation of Volatile Sedation After Heart Valve Surgery

Start date: November 1, 2021
Phase: N/A
Study type: Interventional

Cardiac surgery is a complex operative procedure with a substantial risk of postoperative complications, so that patients undergoing valve surgery are usually transferred to the intensive care unit postoperatively. Various substances are used to maintain the required sedation, such as volatile anaesthetics and intravenous sedatives combined with analgetic therapy using opioids. The study intends to investigate to what extent the already well-described effect of volatile anaesthetics on recovery can be realised despite the need for differentiated intensive care and medical management.

NCT ID: NCT04598360 Completed - Clinical trials for Coronary Arteriosclerosis

Release of Epoxyeicosatrienoic Acids From Erythrocytes During the Use of Extracorporeal Procedures (Heart-lung Machine)

Start date: November 1, 2020
Phase: N/A
Study type: Interventional

Hypotension with potentially serious consequences for organ perfusion is a common complication in extracorporeal procedures such as heart-lung-machine. The exact reasons for this are still insufficiently clarified. Probably periinterventional vasorelaxant released substances play a crucial role in these procedures. These substances could be due to contact of blood cells with the Membrane in the HLM arise. In this project the hypothesis will be checked, if EETs / DHETs are released by Erythrocytes during this extracorporeal procedure and thus act as potential candidate products for the result of hypotonic phases during usage of heart-lung-machine. We will determine differences in RBC fatty acids profiling in patients before and after heart-lung-machine intervention. RBC fatty acids profiling will be achieved by using targeted HPLC-MS mass spectrometry. It is believed that during HLM there is an increase in EETs / DHETs in the serum and in the erythrocytes. It is believed that shear forces play an important role in the release of erythrocyte EETs / DHETs.

NCT ID: NCT04372654 Completed - Coronary Disease Clinical Trials

Pilot Study Evaluating the Safety of Electroducer Sleeve Medical Device for Temporary Cardiac Stimulation During Percutaneous Cardiovascular Interventions, in All Kind of Patients

Start date: July 28, 2020
Phase: N/A
Study type: Interventional

During percutaneous cardiovascular intervention, temporary cardiac stimulation may be required. Usually this stimulation is generated via a temporary pacing catheter. In order to reduce the complexity of the procedure, a new stimulation strategy has been developed: the "Direct Wire Pacing technique".In this approach, the cardiac stimulation is provided via the guidewire connected to an external pacemaker. Previous study demonstrated the superiority of the new technique compared to the former. However this technique is likely to generate electrical pain, risk of bleeding for the patient and risk of blood exposure accident for the operators. This is why the medical device ELECTRODUCER SLEEVE has been developed. This device integrates a pacing function to the introducer and the guidewire used. The "Direct Wire Pacing technique" is simplified, secured and more reproducible.

NCT ID: NCT04328090 Completed - Clinical trials for Coronary Artery Disease

Evaluation of the Potential Impact of Computerized Antimicrobial Stewardship

EPIC
Start date: November 27, 2020
Phase: N/A
Study type: Interventional

This trial is an open-label, two-arm, cluster-randomized, controlled trial with cardiovascular surgical teams as the unit of randomization. Eligible teams with written consent are randomized to the intervention or control arm by random number generator. Computer-based, multicomponent intervention targeting on reduction of perioperative antimicrobial use will be delivered to teams in the intervention arm. Teams in the control arm will continue with usual clinical care.

NCT ID: NCT04234087 Completed - Quality of Life Clinical Trials

Feasibility and Effectiveness of an Additional Resistance and Balance Training in Cardiac Rehabilitation of Older Patients After Valve Surgery or Intervention

Start date: February 26, 2018
Phase: N/A
Study type: Interventional

The aim of the study is to evaluate the short- and medium-term effectiveness of additional moderate dynamic resistance and balance training to the CR-program of old adults after valve surgery or intervention compared to usual care-CR.

NCT ID: NCT04068337 Completed - Aortic Aneurysm Clinical Trials

Freestyle Prosthesis for Aortic Root-replacement With and Without Hemiarch Replacement

Start date: August 1, 2018
Phase:
Study type: Observational

The Freestyle® prosthesis (Medtronic plc, Dublin, Ireland) is a biological, porcine aortic root implanted in various combinations and techniques since the 1990s. The main indication for the choice of this prosthesis is a combined pathology with degenerated aortic valve and additional dilatation of the root often involving the ascending aorta. The Freestyle® prosthesis is also used in cases of dissection of the ascending aorta with the involvement of the aortic valve, which opens the debate on how far the ascending aorta should be replaced for a sustainable solution with calculable low periprocedural risk. Considering a lower intraoperative risk in the life-threatening situation, an extended resection of the aorta can be avoided and only the aortic root replaced with a piece of ascending aorta. On the contrary, focusing on improved long-term outcome, the technique of total arch replacement in aortic dissection was developed in emergency situations with acceptable results, which, however, were often reproducible only in large, experienced centers. Apart from the abovementioned options, the technique of proximal arch replacement can provide a tension-free anastomosis. The intention of hemiarch replacement is the attachment of the prosthesis to an aneurysm-free portion of the aortic arch helping to protect against further anastomotic aneurysms and spare the patient complex reoperation or interventional procedures in the future. As a possible drawback of the technique, especially in emergency situations, the potentially prolonged duration of surgery and the need of selective brain perfusion via axillary or carotid artery are discussed increasing the risk of stroke and further major events, which could not be reflected in current literature. However, there is still no convincing evidence of a long-term benefit in terms of re-operation and survival after hemiarch replacement. The aim of this retrospective analysis was to assess the mid-term outcome of the biological Freestyle® prosthesis in combination with operations on the ascending aorta and the aortic arch with regard to prosthetic performance, reoperations, stroke and death.