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We list hundreds of Clinical Trials about "Phenylephrine in Spinal Anesthesia in Preeclamptic Patients" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Hypotension remains a common clinical problem after induction of spinal anesthesia for cesarean delivery. Maternal hypotension has been associated with considerable morbidity (maternal nausea and vomiting and fetal/neonatal acidemia). Traditionally, ephedrine has been the vasopressor of choice because of concerns about phenylephrine's potential adverse effect on uterine blood flow. This practice was based on animal studies which showed that ephedrine maintained cardiac output a...
To compare the effect of two different protocol of fluid therapy in sever preeclamptic patients under spinal anesthesia : Hemodynamic and kidney function .
Hypotension following spinal anesthesia for cesarean section is a serious problem. In this study we investigated the effect of the vasopressors phenylephrine and noradrenaline on postspinal hypotension.
Pregnant women with a positive preoperative Supine stress test were found to be a subgroup at increased risk of symptomatic hypotension after spinal anesthesia
The purpose of the study is to determine if an intravenous bolus of phenylephrine is more effective compared to an intravenous bolus of norepinephrine associated with crystalloid loading for maintaining blood pressure during a spinal anesthetic for a cesarean delivery. Prevention of low blood pressure has been shown to decrease nausea and vomiting during and after cesarean delivery under spinal anesthesia. For elective cesarean delivery, all participants will receive spinal ane...
Hypotension is a very common complication of spinal anesthesia for cesarean delivery, and can have unwanted side effects on both mother and fetus if not treated promptly. Phenylephrine has been the drug of choice to treat this spinal-induced hypotension. Although phenylephrine is safe to use for this indication, it has been associated with reflex bradycardia and a reduction in cardiac output. Norepinephrine is a potent vasopressor used to treat hypotension in the critical care...
The purpose of this study is to compare norepinephrine and phenylephrine on the effects of maintaining the cardiac output in Cesarean section under spinal anesthesia.
Hypotension in patients who are taken to surgery, is a very frequent complication, when the spinal anesthetical technique is used, associating this with significant adverse effects that can lead to morbidity specially in the obstetric patient. The objective of the study is determine if the phenylephrine used of prophylactic form, achieved to prevent the appearance of hypotension in obstetric patients led to Caesarea under spinal anesthesia.
Spinal anesthesia is the preferred anesthesia method in cesarean section to provide satisfactory analgesia and muscle relaxant with less impact on respiratory system. However, hypotension often occurred due to the block of sympathetic nerve, causing maternal decline of frontal lobe oxygenation, nausea vomit and the decrease of uteroplacental perfusion. Several measures are used to prevent or treat hypotension caused by spinal anesthesia: prehydration, limb compression, left lat...
The purpose of the study is to evaluate the cardiac output changes after an intravenous bolus of ephedrine, phenylephrine, ondansetron or norepinephrine during a spinal anesthetic for a cesarean delivery. For elective cesarean delivery, all participants will receive spinal anesthesia with a local anesthetic and sufentanil. This study includes 120 pregnant women. Patients will be randomly assigned according to a computer generated system to be in one of four groups.
This study is designed to determine the ED90 for a single dose of phenylephrine for the treatment of spinal induced hypotension in parturients presenting for an elective CD. The ED90 is the effective dose at which 90% of subjects will have a "positive" response to phenylephrine. The primary outcome measure is the ED90 for bolus phenylephrine. Secondary outcomes include the need for additional vasopressors, glycopyrolate to treat bradycardia, and the presence of hypertension fol...
The purpose of this study is to compare two methods for preventing low blood pressure associated with spinal anesthesia during Cesarean sections.
Spinal anesthesia is the most common anesthetic technique for elective Cesarean delivery (CD). but the most frequent unwanted side effect is hypotension, which can cause nausea and vomiting, as well as effects on the fetus. Prevention and treatment of maternal hypotension includes intravenous fluids and vasopressors. Phenylephrine is the most common vasopressor used for this purpose. However, it has been shown to reduce maternal heart rate and cardiac output, which may be a con...
The study involves research, the purpose of which is to compare three different drug mixtures (Epinephrine, Phenylephrine 25 µg, or Phenylephrine 50 µg). Specifically, how long each medicine lasts will be studied.
In major orthopaedic surgery of the lower extremities both continuous spinal anesthesia (CSA) and combined spinal epidural anesthesia (CSE) are safe and reliable anaesthesia methods. Our results suggest that both continuous spinal anesthesia and combined spinal epidural anesthesia provide good surgical conditions with a low incidence of complications. The sensory block level and hemodynamic changes were lesser with CSA.
Maternal hypotension after spinal anesthesia in parturients undergoing cesarean section is a very common problem leading to several complications to both patients and their babies. It can cause maternal discomfort, lightheadedness, nausea and vomiting. The most important complication is the decreasing blood flow to babies; which may lead to fetal acidosis. Many interventions has been studied in order to prevent hypotension after spinal anesthesia in cesarean section e.g., flu...
The purpose of this study is to describe, in real-life conditions, the factors influencing the choice of anesthesia (spinal anesthesia or short general anesthesia) in outpatient surgery.
Spinal anesthesia can be challenging in patients with lumbar scoliosis or previous lumbar spine surgery. This study aims to evaluate whether the use of the ultrasound-assisted spinal anesthesia reduces the number of passes required to successful dural puncture compared with the conventional surface landmark-guided technique in patients with abnormal spinal anatomy.
Spinal anesthesia is widely used as the procedure of choice for cesarean delivery. In comparison to epidural anesthesia it is faster, easier to perform, patients are more comfortable, complication rates are lower, and it is more cost effective. Spinal anesthesia is an accepted technique in elective cesarean sections. However, hypotension, resulted from sympathectomy is a common problem, especially in pregnant women. Spinal block causes peripheral vasodilation and venous poolin...
The purpose of this study is to determine whether phenylephrine infusion are effective in the prevention of hypotension after changing position to beach chair position during general anesthesia for shoulder arthroscopic surgery. Investigators hypothesized that by increasing arterial blood pressure with phenylephrine infusion, incidence of hypotension would be decreased.
The purpose of this study is to compare the frequency of hypotension between hyperbaric anesthetics and isobaric anesthetics during cesarean section and determine whether continuous infusion of phenylephrine is effective in mothers who received hyperbaric anesthetics.
In parturients undergoing Cesarean section under spinal anesthesia, co-loading of 1 liter of crystalloids, with placing the spinal, along with administering a phenylephrine infusion and glycopyrrolate, enables placing a spinal with minimal perioperative nausea and vomiting and good intra and post-operative pain relief.
This is a pilot study of a new use of Epoprostenol via inhalation (Epoprostenol is approved for intravenous use). The purpose of this study is to administered inhaled Epoprostenol and intravenous Phenylephrine to improve arterial oxygen tension during one-lung anesthesia either with volatile anesthesia (Sevoflurane) or with intravenous anesthesia (Propofol).
Investigators have started an awake spinal anesthesia program in conjunction with pediatric surgical colleagues. Patients are offered the option of awake spinal anesthesia instead of general anesthesia for appropriate surgical procedures. Previous studies have demonstrated a lack of significant hemodynamic changes in neonates and infants following spinal anesthesia; however, there are limited data regarding its impact on tissue oxygenation. The goal of the current study is to a...
Objectives: Our primary objective is to evaluate the effect of anesthetic method (general versus regional anesthesia) on neural outcomes in the preeclamptic population undergoing cesarean delivery. Secondary outcome is to examine the fetal cerebral outcomes associated with the anesthetic method. Methodology: This prospective, observational study, will include 50 preeclamptic parturients undergoing cesarean section under general and regional anesthesia. Neuron specific e...