TAVR: Aortic valve replacement without open-heart surgery

There has been a flurry of news recently about a procedure called trans-catheter aortic valve replacement (TAVR) for the treatment of the common heart condition aortic stenosis (AS). You may even know people who have had this procedure performed. What exactly is TAVR? And what’s all the excitement about? What is aortic stenosis? First, it’s important to understand the condition that TAVR is designed to treat, aortic stenosis. The aortic valve is the last structure of the heart through which blood passes before entering the aorta and circulating throughout the body. The aortic valve has three flaps, called leaflets, that open and close. When working normally, the aortic valve opens to allow blood to pass from the heart into the aorta, then closes to prevent blood from flowing back into the heart. Over time, calcium deposits can develop on the leaflets of the valve, making it more difficult for the valve to open. This puts additional strain on the heart, which can lead to symptoms such as shortness of breath, lightheadedness, or chest pain with exertion. In severe cases, AS can lead to weakening of the heart muscle. If left untreated, the condition can be fatal. Open heart surgery: Traditional treatment of aortic stenosis Once AS is diagnosed and symptoms are present, it needs to be treated. The historical gold standard for treatment of AS has been open-heart surgery with surgical aortic valve replacement (SAVR). Open heart surgery is a major operation in which the ...
Source: Harvard Health Blog - Category: Consumer Health News Authors: Tags: Health Heart Health Surgery Source Type: blogs

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Publication date: Available online 31 March 2020Source: Neurophysiologie CliniqueAuthor(s): Karim Jamal, Stéphanie Leplaideur, Chloé Rousseau, Sébastien Cordillet, Annelise Moulinet Raillon, Simon Butet, Armel Cretual, Isabelle Bonan
Source: Neurophysiologie Clinique - Category: Neuroscience Source Type: research
Authors: Corrà U, Piepoli M, Giordano A Abstract Exercise oscillatory ventilation (EOV) is an ominous sign in heart failure due to reduced left ventricular ejection fraction (HFrEF) whatever it is represented. But EOV is detected also in normal healthy individuals and in other cardiovascular disease (CVD) patients, however, its prevalence in these is not completed clear. The aim was to describe the occurrence of EOV in healthy subjects and the overall population all CVD patients who performing symptom limited cardiopulmonary exercise testing (CPET). Healthy subjects were divided in athletes and normal subjec...
Source: Monaldi Archives for Chest Disease - Category: Respiratory Medicine Tags: Monaldi Arch Chest Dis Source Type: research
Publication date: Available online 31 March 2020Source: Food HydrocolloidsAuthor(s): Mingming Zhong, Fengying Xie, Shuang Zhang, Yufan Sun, Baokun Qi, Yang Li
Source: Food Hydrocolloids - Category: Food Science Source Type: research
Publication date: Available online 31 March 2020Source: Food HydrocolloidsAuthor(s): Yang Wei, Chang Li, Liang Zhang, Lei Dai, Shufang Yang, Jinfang Liu, Like Mao, Fang Yuan, Yanxiang Gao
Source: Food Hydrocolloids - Category: Food Science Source Type: research
Authors: Chuh A, Zawar V, Fölster-Holst R, Sciallis G, Rosemann T Abstract Dermoscopy in primary care enhances clinical diagnoses and allows for risk stratifications. We have compiled 25 recommendations from our experience of dermoscopy in a wide range of clinical settings. The aim of this study is to enhance the application of dermoscopy by primary care clinicians. For primary care physicians commencing dermoscopy, we recommend understanding the aims of dermoscopy, having adequate training, purchasing dermoscopes with polarised and unpolarised views, performing regular maintenance on the equipment, seeking co...
Source: Journal of Primary Health Care - Category: Primary Care Tags: J Prim Health Care Source Type: research
Authors: Annunziato J, Shor D, Parikh S Abstract Heterotopic ossification (HO) is excess bone growth in soft tissues, typically juxta-articular and interfascicular, with varying incidence. This excess bone growth has been well-documented in cases of traumatic amputation but less frequently observed in cases of nontraumatic amputation. Symptomatic heterotopic ossification usually includes pain during prosthetic use with management involving prosthetic adjustments for comfort. This atypical case highlights a patient with a nontraumatic amputation and a proximal-oriented large spur formation that was not painful with ...
Source: Journal of the American Osteopathic Association - Category: Complementary Medicine Tags: J Am Osteopath Assoc Source Type: research
Authors: Headman ZC, Matson MC, Schneider RP, Potter JL, Loguda-Summers DL, Bhatia S, Kondrashova T Abstract Context: Various forms of simulation-based training, including training models, increase training opportunities and help assess performance of a task. However, commercial training models for lumbar puncture and epidural procedures are costly. Objective: To assess medical students' and residents' perception of 3-dimensional (3D)-printed lumbar, cervical, and pelvic models for mastering joint injection techniques and to determine the utility of ultrasonography-guided needle procedure training. Methods:...
Source: Journal of the American Osteopathic Association - Category: Complementary Medicine Tags: J Am Osteopath Assoc Source Type: research
In this study, a calcium –aluminum-layered double hydroxide (CaAl-LDH) thin film was grown on an AA6082 aluminum alloy, for the very first time, by using a facilein situ growth method in an effort to investigate the CaAl-LDH structural geometry and corresponding corrosion resistance properties. The content of this RSS Feed (c) The Royal Society of Chemistry
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