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Filter by:This randomized controlled trial aims to investigate the impact of conduction system pacing in comparison to right ventricular apical pacing on exercise capacity, as measured by peak oxygen uptake (VO2peak), in heart failure patients with indication for pacing but no compelling indication for cardiac resynchronization therapy (CRT). The mechanisms of exercise intolerance in heart failure patients influenced by conduction system pacing will be assessed.
For the evaluation of the lower urinary tract after laparoscopic hysterectomy, routine standard saline cystoscopy and carbon dioxide cystoscopy will be compared.
Before birth, the baby's lungs are filled with fluid and babies do not use the lungs to breathe, as the oxygen comes from the placenta. As delivery approaches, the lungs begin to absorb the fluid. After vaginal delivery, the umbilical cord is clamped and cut after a delay that allows some of the blood in the umbilical cord and placenta to flow back into the baby. Meanwhile, as the baby breathes for the first time, the lungs fill with air and more fluid is pushed out. However, it does not always work out that way. Some babies need to be delivered via cesarean section, a surgical delivery requiring incisions through the abdominal and uterine walls. After cesarean section, the mother is often unable to hold the baby close right away as a result of her own post-surgical care. Moreover, a baby born by planned cesarean section may have breathing problems because of extra fluid staying in the lungs. Thus, the baby must breathe quicker and harder to get enough oxygen enter into the lungs. Although the baby is usually getting better within one or two days, the treatment requires close monitoring, breathing help, and nutritional help as the baby is too tired to suck and swallow milk. Sometimes, the baby cannot recover well and show greater trouble breathing needing intensive care. This further separates the mother and her baby. A possible mean to help the baby to adapt better after cesarean section while staying close to the mother is to delay cord clamping when efficient breathing is established, either spontaneously or after receiving breathing help at birth. In this study, we intend to test this procedure in term infants born by planned cesarean section and see whether the technique helps the baby to better adapt after birth and to better initiate a deep bond with the mother.
There is no cure for cold or flu, most people recover in about within two weeks. Paracetamol may be used to reduce aches or treat fever, headache, or body aches. Antiviral solutions ranging from simple universal saline solutions to novel compounds have been proposed to provide a temporary barrier to prevent viral infection and propagation. The nasal spray "Humer Stop Virus" is indicated in patients presented with early symptoms of viral respiratory infection. This spray forms a protective barrier in the nasal mucosa which is the main entry of the upper air respiratory system viruses. The spray traps the viruses and helps the organism to eliminate them before they multiply themselves. This clinical investigation is conducted to assess the performance, clinical benefit and safety of this nasal spray in patients with early symptoms of acute respiratory disease whether or not infection is related to common cold, flu or COVID virus. Indeed, presence of early symptoms of acute respiratory infection does not always imply viral infectionAntigen self-tests are available to confirm viral infection with flu viruses or severe acute respiratory syndrome (SARS-CoV-2). However, influenza and other winter viruses are not systematically searched for in general population, because this is of neither collective nor individual interest. To be as pragmatic as possible, we chose to assess performance and safety of the nasal spray on intended users in real conditions. Patients with early symptoms of cold, flu or COVID, are enrolled regardless their PCR test positivity confirming viral infection at the time of enrollment. For study needs, the primary endpoint, which aims to assess the performance of the nasal spray in terms of stopping the viral infection, is assessed in a subgroup of patients with a positive PCR test with flu, COVID or common cold virus in the nasal sample collected at enrollment.
Evaluation of the diagnostic and prognostic efficacy of nuclear magnetic resonance imaging in patients with acute sensorineural hearing loss or in patients suffering from probable or definite MD. The neuroradiological and audiological evaluation are held on in the same day in order to better clarify the radiological and clinical correlates.
Hypertrophic cardiomyopathy (HCM) is a common clinical genetic-related disease, with a global incidence of 0.2%-0.5%, but only a few cases (10-20%) have been clinically diagnosed. About 70% of them are hypertrophic obstructive cardiomyopathy (HOCM), these HOCM patients have significant clinical symptoms, including progressively increasing fatigue, angina, exertional dyspnea, and syncope. Conservative medications are used to treat the vast majority of patients. Invasive therapy, which includes surgical myectomy, percutaneous transluminal septal myocardial ablation(PTSMA), percutaneous intramyocardial septal radiofrequency ablation (PIMSRA) and percutaneous endocardial septal radiofrequency ablation (PESA) is introduced to patients with refractory symptoms or drug resistance. However, surgical operations are complicated and high risk procedures with high mortality. Interventional approaches are very difficult to perform and therefore the application is limited. Previous researches have shown that interventricular septal radiofrequency ablation could effectively reduce the left ventricular outflow tract pressure gradient (LVOTG), thereby treating obstructive hypertrophic cardiomyopathy (HOCM). This device is based on the same radiofrequency ablation energy principle, however, the catheter is introduced into the right ventricle and performs ablation treatment on the hypertrophic interventricular septum, which is potentially a lower risk route of access for septal ablation than currently attempted interventional approaches. The purpose of this study is to evaluate the safety and efficacy of percutaneous intramyocardial septal ablation catheters in the treatment of obstructive hypertrophic cardiomyopathy.
To develop effective preoperative and postoperative prediction models for postoperative complications of ERCP
Hyponatremia is a common electrolyte imbalance which often results from hormonal disregulation. The study aims to investigate whether the apelin hormone, which plays a role in regulating salt and water balance in the body, can be used to treat hyponatremia. The study will involve healthy volunteers who will be given a medication that causes their bodies to retain water, thus inducing a temporary hyponatremia state. The researchers will measure the volunteers' blood and urine electrolyte levels to see how these are influenced by apelin administration. As comparison, the same measurements will be done in volunteers dosed with placebo instead of apelin. The researchers believe that apelin may be able to help to correct hyponatremia by increasing urine output. If the study focused in the healthy volunteers population is successful, the investigators will assess the effect of apelin administration in patients with chronic hyponatremia. The study's hypothesis is that intravenous apelin will increase urinary excretion and sodium levels in healthy participants with artificially induced hyponatremia.
This study aims to understand the mechanisms of a novel intervention involving breathing short durations of low levels of oxygen for persons with multiple sclerosis (MS). This intervention with low levels of oxygen is called Acute Intermittent Hypoxia (AIH), the levels of oxygen experienced are similar to breathing the air on a tall mountain, for less than 1 minute at a time. Previous studies have shown that AIH is a safe and effective way to increase strength in persons with MS. Here the investigators aim to look at brain activation and ankle strength before and after AIH to gain a better understanding of how the AIH may improve strength in those persons with MS.
The prevalence of iron deficiency in pediatric cardiac surgery patients is not very well known. Iron deficiency can lead to anemia, higher transfusion rates and possibly higher complication rates. In this retrospective study, the iron status of all patients undergoing pediatric cardiac surgery at our institution between January 2019 and december 2023 will be analyzed. Together with iron status, transfusion requirements as well as complications will be recorded. Iron status will be reported with descriptive statistics, patients with or without iron deficiency will be compared using non-parametric tests.