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Filter by:The purpose of this study is to evaluate the efficacy and safety of mirabegron (a B3 adrenergic receptor agonist) in patients with pulmonary hypertension secondary to heart failure by conducting a randomized multicenter phase II placebo-controlled clinical trial.
The study evaluates the effectiveness of surgical or non-surgical treatment for children type 1 humeral condyle fracture.Half of the participants receive surgical treatment and the other half receive non-surgical treatment
Dexmedetomidine(DEX) could provide dose-dependent sedation , analgesia , anti-anxiety and inhibition of sympathetic nerves and other effects. Because of its minimal impact on the respiratory , currently it was more and more widely used to sedate patients undergoing regional anesthesia.Many anesthetic pharmacokinetics and pharmacodynamics are often affected by age, and current studies with regard to the effects of age on dexmedetomidine pharmacodynamic are rare. This study was designed to explore the right DEX dose of different female Age of patients to produce suitable sedation.Dexmedetomidine be used in patients with combined spinal and epidural anesthesia for sedation,which is monitored by the Narcotrend,during the operation.The relation between Narcotrend index (NTI) and the depth of sedation for patients is also investigated.
The purpose of this study is to understand what happens when someone either becomes more active or more inactive. This study will measure your energy intake, energy expenditure, and body composition under normal conditions, when you become active, and when you become inactive.
The goal of this study is to investigate the effects of virtual reality based mirror therapy (VMT) on individuals with acquired brain injury when compared to a control group receiving traditional mirror therapy (TMT). This is a randomized controlled pilot study in which patients with hemiplegia will be assigned to VMT or TMT and the impact on upper extremity function will be observed.
Since 2011, phenylephrine was recommended as the preferred drug to maintain blood pressure in obstetric anesthesia.Phenylephrine, an α adrenoceptor agonist, can induce peripheral vasoconstriction to maintain blood pressure, while reflexly decrease heart rate and result in cardiac output (CO) reduction.Norepinephrine acts not only as an α adrenoceptor receptor agonist, but also as a weaker β adrenergic receptor agonist. It can elevate blood pressure the same asphenylephrine, meanwhile produce positive inotropic effect including increasing heart rate.Thus, the administration of norepinephrine can maintain blood pressue and avoid the decline of CO. The purpose of this study is to evaluate the effect of norepinephrine and phenylephrine on maternal CO in cesarean section by transesophageal echocardiography.
Surgical resection has offered the best option for prolonged survival in patients with colorectal liver metastases. Limiting factor for major liver resections is the size of the future liver remnant (FLR). In case of normal liver function, 30% of the total liver volume is considered to be sufficient to maintain adequate liver function after resection. In an attempt to further increase "resectability" criteria for patients with too small FLR surgical and interventional maneuvers such as portal vein embolization and portal vein ligation in two-stage hepatectomies have been implemented, but they need an interval of 4-8 weeks to achieve sufficient hypertrophy. In order to obtain adequate but rapid parenchymal hypertrophy a new surgical two-step technique, ALPPS, was introduced for oncological patients requiring extended hepatic resection with limited functional reserve. Both procedures can be performed with acceptable morbidity and mortality. The investigators conclude that it is time to perform a randomized study comparing the two surgical approaches in regard to oncological outcome.
CLL is a disease of the elderly, identifying effective therapies with better toxicity profiles is thus a high priority, and targeted therapies may allow attainment of this goal.
The purpose of this study is to determine whether the combination of As2O3 and ibrutinib is synergistic in chronic lymphocytic leukemia
This study aims to quantify perfusion, assess arterial vasoconstriction, and confirm reversibility using 3T ASL-MRI and MRA in 10 patients with suspected RCVS. Acquiring these data at multiple time points during RCVS progression, the investigators will assess the relationship between vasoconstriction and downstream perfusion and determine the role of these imaging techniques in early and accurate diagnosis of RCVS. The investigators also aim to investigate whether early imaging abnormalities can predict RCVS complications and clinical outcomes.