Active clinical trials for "Hemorrhage"

Veno arterial extracorporeal membrane oxygenation (VA ECMO) is used, for cardiogenic shock, refractory cardiac arrest and post cardiotomy cardiac failure. Bleeding is frequent complications during VA ECMO and is associated with increased mortality. The aim of our study was to identify early factors associated with major bleeding in patients supported by VA ECMO

This is a pilot study to evaluate clinical predictors of intracranial bleeding in elderly patients who present to the emergency department (ED) after a fall. The aim is to assess feasibility and rate of patient recruitment, patient follow up, and to establish a point estimate for the incidence of intracranial bleeding in the investigator's population. Currently there are no guidelines for ED physicians to assess the pretest probability of intracranial bleed in these patients, and no safe way to exclude a bleed without CT.

This pilot study will evaluate the performance of the Quantra System comprised of the Quantra Hemostasis Analyzer with the QStat Cartridge in trauma patients or patients with OB hemorrhage.

Angiogenesis is inherently associated to bone formation and healing. During implant osseointegration, a successive and successful angiogenic processes has to occur to promote bone formation. In 1969, Branemark et al. demonstrated that direct contact between bone and titanium implant surface was possible, defining osseointegration as "the direct, structural, and functional contact between live bone and the surface of a functionally loaded implant". Consequently, the need of an empirical measurement appeared. With the introduction of resonance frequency analysis (RFA), it is now possible to measure the degree of implant stability at any time during the course of implant treatment and loading. In this way, changes in implant stability can be monitored over the time and it is likely possible to find implants at risk of failure before they become loose. The rationale of this study is to analyse how important a good vascularization is for the future bone formation around dental implants.

Upper gastrointestinal (GI) bleeding is defined as patients who either presented with hematemesis or presented with melena along with evidence of hemodynamic compromise. These patients have risk of aspiration of blood along with gastric content. The mortality rate can be 15% to 20% in the cases with variceal bleeding. From a practical standpoint, it is widely accepted that the best way to secure an airway during upper GI bleeding is prophylactic endotracheal intubation (PEI). The aim of this study is to determine the incidence of complications among critically ill patients with upper GI bleeding and received urgent endoscopy.

Following endoscopic therapy of variceal bleeding, the issue of when to refeed these patients has rarely been investigated. This may imply that feeding is generally regarded as a negligible factor in the management of bleeding varices. On the other hand, it is usually believed that systematic fasting is required in case of patients with upper gastrointestinal bleeding. Some researchers in their studies demonstrated that immediate refeeding has similar outcomes to delayed refeeding among patients with low risk of nonvariceal bleeding. The situation of variceal bleeding is quite different from that of peptic ulcer bleeding as demonstrated by studies of other researchers who made a review on feeding of patients with upper gastrointestinal bleeding, and recommended that feeding should be delayed for at least 48 hours after endoscopic therapy because early refeeding may cause a shift in blood flow to the splanchnic circulation, which in turn could lead to an increase in pressure and an increased risk of rebleeding from the varices. The other important reason of delay in feeding may be ascribed to the fear of occurrence of early rebleeding induced by refeeding. In addition, repeated endoscopic examination and therapy may be required in patients with very early rebleeding. The decision to delay feeding is usually based on clinicians 'experience or experts' opinion rather than evidence based. That is why we planned this study.

The investigators hope to answer the question, "does ketorolac increase the risk of hematoma after reduction mammoplasty?" using a case-control study. All patients who developed a hematoma post reduction mammoplasty (cases) at our institution, and match these with women who had an uncomplicated reduction mammoplasty (controls), and then compare frequency of ketorolac exposure between these two groups as the primary outcome. If ketorolac increases the risk of hematoma, one should expect cases to have been exposed to ketorolac more frequently than controls. Based on previously existing literature, the investigators hypothesize that cases and controls will not differ in their ketorolac exposure, that is, ketorolac does not increase the risk of hematoma.

The investigators aim to investigate and understand the circulating miRNA profiles after acute aneurysmal subarachnoid haemorrhage and underlying pathological significance.

Transient focal neurological episode (TFNE) is the most frequent presenting symptom of convexity subarachnoid haemorrhage (cSAH) in elderly patients with non-traumatic cSAH with suspected, possible or probable cerebral amyloid angiopathy (CAA). The aim of our study was to analyse in detail clinical and MRI characteristics in these patients. Methods: We performed a retrospective study analysing baseline, acute clinical symptom (TFNE and headache), and MRI characteristics (acute cSAH and chronic CAA features) of consecutive elderly (≥55 years) patients, recruited and registered in the stroke database, between june 2008 and october 2020 of two centres (Nîmes and Montpellier University Hospital, France), presenting with cSAH with suspected, possible, or probable CAA.

A Prospective Randomized Open-Label Blinded Endpoint (PROBE) Pilot Trial of restarting antiplatelet therapy at 1 week versus 3 weeks after traumatic intracranial hemorrhage with a primary composite endpoint of major bleeding and vascular occlusive events.