View clinical trials related to Hemorrhage.
Filter by:Background: Although glucose is essential to cerebral function, abundant experimental and clinical evidence demonstrates that endogenously released lactate, rather than glucose, is the preferential energy substrate for the brain in conditions of stress and acute injury. In patients with severe Traumatic Brain Injury (TBI) and aneurysmal subarachnoid hemorrhage (SAH) monitored with cerebral microdialysis and brain tissue oxygen (PbtO2), our preliminary data show that increased brain extracellular lactate is frequently observed. Our findings indicate that elevated brain lactate more often occurs in the absence of brain hypoxia/ischemia and is mainly the consequence of increased cerebral glycolysis, i.e. it occurs in association with high extracellular pyruvate. These data suggest that the primary source of elevated lactate is activated glycolysis and strongly support the concept that endogenously released lactate can be utilized by the injured human brain as energy substrate. They prompt further investigation to examine whether exogenous lactate supplementation can be a valuable neuroprotective strategy after TBI or SAH. Indeed, in animal models of brain injury, administration of exogenous lactate improves neuronal and cognitive recovery. Hypothesis: The investigators test the hypothesis that lactate therapy, administered during the acute phase of TBI or SAH, might exercise neuroprotective actions by restoring brain energetics and improving brain tissue PO2 and cerebral blood flow (CBF). Aim of the study: The aim of this single-center study is to examine the effect of sodium lactate infusion on cerebral extracellular metabolites, brain tissue PO2 and cerebral blood flow, measured with CT perfusion and transcranial doppler (TCD). Design: Prospective phase II interventional study examining the effect of a continuous 3-6 hours infusion of sodium lactate (20-40 µmol/kg/min), administered within 48 hours from TBI or SAH, on cerebral extracellular glucose, pyruvate, glutamate, glycerol, PbtO2 and CBF.
The purpose of this study is to assess the effect of melatonin on pain and amount of blood loss after cesarean delivery one hundred twenty women with singleton term pregnancy undergoing elective or emergency lower segment cesarean section under spinal anesthesia were included in this study. The patients were randomly allocated to one of three groups of 40 each to receive sublingual 3 mg melatonin or 6 mg melatonin or placebo before spinal of anesthesia . In all patients 20 IU syntocinon which dissolved in 0.5liter of lactated Ringer's solution) at the rate of 500 ml over a 15 minutes period, immediately after delivery of the neonate was infused . Time to first requirement of analgesic supplement, Hemodynamic variables,will be recorded.Patients were instructed preoperatively in the use of the verbal rating scale (VRS) from 0 to 10 (0no pain, 10maximum imaginable pain) for pain assessment. If the VRS exceeded four and the patient requested a supplement analgesic, diclofenac Na supp 100 mg was to be given for post-operative pain relief as needed . For breakthrough pain(VRS >4) if time of administration of diclofenac Na less than 8h,Pethidine 25 mg IV was given. For determination of blood loss ,change in hemoglobin levels, need for additional oxytocics and ,the volume of blood in the suction bottle was measured, blood soaked sponges. Hemoglobin values were determined both before surgery and 12 h following surgery
The purpose of this study is to demonstrate that the combined used of low dose of oxytocin and misoprostol prevent from post partum haemorrhage better than oxytocin or misoprostol alone at cesarean sectionOne hundred fifty women with singleton term pregnancy undergoing elective or emergency lower segment cesarean section under spinal anesthesia were included in this study. The patients were randomly allocated to one of three groups of 50 each. The oxytocin group(group O) received intravenous infusion of 20 units of oxytocin soon after delivery of the neonate and one tablet of placebo sublingually. (20 IU syntocinon dissolved in 1liter of lactated Ringer's solution) at the rate of 1000 ml over a 1h period, immediately after delivery of the neonate ,The misoprostol group (groupM) received 400 µg sublingually and infusion of lactated Ringer ( which one ampoule placebo dissolved it) and the combined misoprostol-oxytocin group(group MO) received 200 µg and 5 iu oxytocin bolus intravenously immediately after delivery of the neonate . The main outcome measures were blood loss at cesarean section, change in hemoglobin levels, need for additional oxytocics and drug related side effects.The volume of blood in the suction bottle was measured, blood soaked sponges and added to volume from suction bottle. Hemoglobin values were determined both before surgery and 24 h following surgery. Hemodynamic variables were recorded every 5 minutes during surgery .The need for additional oxytocic therapy, operating time, infusion volume given intraoperatively, need for blood transfusion, side effects of study drug and any significant puerperal morbidity were also recorded.
The purpose of this study is to examine the risk factors for aneurysm rebleeding.
This trial is conducted in Asia, Europe and Oceania. The aim of this trial is to evaluate the safety and preliminary efficacy of activated recombinant human factor VII (NovoSeven®) in preventing early haematoma growth in acute Intracerebral Haemorrhage (ICH).
The purpose of this research is to compare patients with aneurysmal subarachnoid hemorrhage on dexmedetomidine compared to propofol to assess if one group has decreased inflammation. The investigators hypothesis is that the group assigned to receive dexmedetomidine will have a more profound decrease in markers of inflammation over time.
This trial is conducted in the United States of America (USA). The aim of this trial is to evaluate the efficacy of activated recombinant human factor VII in treatment of bleeding in patients having undergone a hematopoietic stem cell transplantation.
This trial is conducted in Africa, Asia, Europe, Oceania and North America. The aim of this trial is to evaluate the efficacy of activated recombinant human factor VII given in conjunction with standard therapy in the treatment of massive bleeding in subjects with severe blunt and/or penetrating trauma injury.
This trial is conducted in Europe, North America and Oceania. The aim of this trial is to evaluate the haemostatic efficacy of activated recombinant human factor VII in subjects undergoing orthotopic liver transplantation surgery.
This trial is conducted in the United States of America (USA). The aim of this trial is to evaluate the safety and preliminary efficacy of activated recombinant human factor VII (NovoSeven®) for preventing early hematoma growth in acute Intracerebral Hemorrhage (ICH).