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Topic Review
Transcranial Direct Current Stimulation
Transcranial direct current stimulation (tDCS) is a non-invasive neuromodulation technique considered to be safe, tolerable, and acceptable to use in adults.
  • 485
  • 24 Apr 2021
Topic Review
Transcorneal Electrical Stimulation for Depression
The potential neuroprotective properties of Transcorneal Electrical Stimulation (TES) are possibly achieved through regulating neuroplasticity, neurotrophic expression, inflammatory responses, apoptosis, glutamate metabolism, and retinal blood flow. The putative neuroprotective effects of TES on mood control are supported by its shared mechanisms of action with current antidepressant treatments, including its neuroprotective effects against apoptosis and inflammation, as well as its ability to promote neurotrophic expression. This entry aims to discuss the neuromodulation potential of TES as a treatment for depressive disorders and the neuroprotective mechanisms of action that might contribute to the antidepressant-like responses.
  • 681
  • 13 Oct 2021
Topic Review
Transcatheter Tricuspid Valve-in-Valve Procedure
Severe tricuspid commitment is no longer understood as merely a marker of disease but is now widely thought of as a significant contributor to cardiac morbidity and mortality. However, isolated tricuspid valve surgery remains rare and to this day continues to be associated with the highest surgical risk among all valve procedures and high operative mortality rates, especially in reoperations. Therefore, the development of tricuspid transcatheter procedures is as necessary as it was for the other valves a couple of years ago. Recently, multiple percutaneous therapies have been developed for the management of severe tricuspid disease, initially only repair and more recently replacement, thus creating a new branch for the management of patients who have already undergone surgery and who present with dysfunctional bioprostheses.
  • 553
  • 20 Oct 2021
Topic Review
Transcatheter Tricuspid Valve Interventions
Tricuspid regurgitation (TR) is a common valvular pathology, estimated to affect 1.6 million people in the United States alone. Even though guidelines recommend either medical therapy or surgical treatment for TR, the misconception of TR as a benign disease along with the high mortality rates of surgical intervention led to undertreating this disease and commonly describing it as a “forgotten” valve.
  • 437
  • 07 Jul 2023
Topic Review
Transcatheter Mitral Valve Replacement
The transcatheter mitral valve replacement (TMVR) is performed through the implantation of either an aortic or mitral transcatheter heart valve (THV) in the mitral position. Although not specifically designed for the mitral position, the aortic THV has been successfully employed in patients with failed bioprostheses (mitral valve-in-valve (MViV)), failed prosthetic rings and bands (mitral valve-in-ring (MViR)) and native calcified valves (valve in mitral annular calcification (ViMAC)). On the other hand, newer TMVR devices with mitral THVs have primarily been used for native noncalcified mitral valves. 
  • 375
  • 26 Jul 2023
Topic Review
Transcatheter Mitral Valve Repair or Replacement
Transcatheter devices have been developed to repair or replace diseased mitral valves (MV). Transcatheter mitral valve repair (TMVr) devices have been proven to be efficient and safe, but many anatomical structures are not compatible with these technologies.
  • 353
  • 29 Jun 2022
Topic Review
Transcatheter Aortic Valve Intervention Complications and Challenges
Since the first in man transcatheter aortic valve intervention (TAVI) performed by Dr. Alain Cribier in 2002 in a non-operable aortic stenosis (AS) patient, TAVI has changed the lives of so many patients for whom medical treatment was, up to then, the only option.
  • 231
  • 12 Oct 2023
Topic Review
Transcatheter Aortic Valve Implantation and Cardiac Conduction Abnormalities
Transcatheter aortic valve implantation (TAVI) or replacement (TAVR) has become a potential, widely accepted, and effective method of treating aortic stenosis in patients at moderate and high surgical risk and those disqualified from surgery. The method evolved what translates into a noticeable decrease in the incidence of complications and more beneficial clinical outcomes.
  • 141
  • 16 Oct 2023
Topic Review
Transcatheter Aortic Valve Implantation
Transcatheter aortic valve implantation (TAVI) is an increasingly widespread percutaneous intervention of aortic valve replacement (AVR). The target population for TAVI is mainly composed of elderly, frail patients with severe aortic stenosis (AS), multiple comorbidities, and high perioperative mortality risk for surgical AVR (sAVR). These vulnerable patients could benefit from cardiac rehabilitation (CR) programs after percutaneous intervention. To date, no major guidelines currently recommend CR after TAVI. However, emerging scientific evidence shows that CR in patients undergoing TAVI is safe, and improves exercise tolerance and quality of life. Moreover, preliminary data prove that a CR program after TAVI has the potential to reduce mortality during follow-up, even if randomized clinical trials are needed for confirmation. 
  • 513
  • 14 Apr 2021
Topic Review
Transbronchial Techniques for Lung Cancer Treatment
The demand for parenchyma-sparing local therapies for lung cancer is rising owing to an increasing incidence of multifocal lung cancers and patients who are unfit for surgery. With the latest evidence of the efficacy of lung cancer screening, more premalignant or early-stage lung cancers are being discovered and the paradigm has shifted from treatment to prevention. Transbronchial therapy is an important armamentarium in the local treatment of lung cancers, with microwave ablation being the most promising based on early to midterm results. Adjuncts to improve transbronchial ablation efficiency and accuracy include mobile C-arm platforms, software to correct for the CT-to-body divergence, metal-containing nanoparticles, and robotic bronchoscopy.
  • 236
  • 23 Feb 2023
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