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Aramine (Metaraminol Bitartrate) - Summary



Metaraminol bitartrate is a potent sympathomimetic amine that increases both systolic and diastolic blood pressure.

ARAMINE is indicated for prevention and treatment of the acute hypotensive state occurring with spinal anesthesia. It is also indicated as adjunctive treatment of hypotension due to hemorrhage, reactions to medications, surgical complications, and shock associated with brain damage due to trauma or tumor.

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Media Articles Related to Aramine (Metaraminol)

Low Blood Pressure (Hypotension) Symptoms and Treatments
Source: MedicineNet Abdominal Aortic Aneurysm Specialty [2017.09.28]
Title: Low Blood Pressure (Hypotension) Symptoms and Treatments
Category: Diseases and Conditions
Created: 12/31/1997 12:00:00 AM
Last Editorial Review: 9/28/2017 12:00:00 AM

Low Blood Pressure (Hypotension)
Source: MedicineNet Cholera Specialty [2017.05.05]
Title: Low Blood Pressure (Hypotension)
Category: Symptoms and Signs
Created: 4/29/2014 12:00:00 AM
Last Editorial Review: 5/5/2017 12:00:00 AM

Orthostatic Hypotension
Source: MedicineNet Addison Disease Specialty [2017.01.13]
Title: Orthostatic Hypotension
Category: Diseases and Conditions
Created: 6/11/2009 12:00:00 AM
Last Editorial Review: 1/13/2017 12:00:00 AM

Low Blood Pressure (Hypotension): Symptoms, Signs, Causes
Source: MedicineNet Tilt-table Test Specialty [2016.07.28]
Title: Low Blood Pressure (Hypotension): Symptoms, Signs, Causes
Category: Slideshows
Created: 7/29/2008 12:00:00 AM
Last Editorial Review: 7/28/2016 12:00:00 AM

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Published Studies Related to Aramine (Metaraminol)

The effect of prophylactic metaraminol on systemic hypotension caused by induction of anaesthesia with propofol in patients over 55 years old. [2001.09]
We conducted a double-blind, randomised, placebo-controlled study evaluating the efficacy of prophylactic metaraminol for preventing propofol-induced hypotension. Thirty patients aged 55-75 years undergoing general anaesthesia were randomly allocated to receive either metaraminol 0.5 mg or saline before administration of fentanyl 1 microg.kg(-1) and propofol 2 mg.kg(-1)...

Metaraminol infusion for maintenance of arterial blood pressure during spinal anesthesia for cesarean delivery: the effect of a crystalloid bolus. [2001.09]
We randomly allocated women having elective cesarean delivery to receive either no bolus (Control Group, n = 31) or 20 mL/kg lactated Ringer's solution (Bolus Group, n = 35) IV before spinal anesthesia. An infusion of metaraminol started at 0.25 mg/min was titrated to maintain systolic arterial blood pressure in the target range 90%-100% of baseline...

Comparison of metaraminol and ephedrine infusions for maintaining arterial pressure during spinal anesthesia for elective cesarean section. [2001.08]
BACKGROUND: Although ephedrine is usually recommended as the first-line vasopressor in obstetrics, its superiority over other vasopressors has not been proven in humans... CONCLUSIONS: When used by infusion to maintain arterial pressure during spinal anesthesia for cesarean section, metaraminol was associated with less neonatal acidosis and more closely controlled titration of arterial pressure compared with ephedrine.

A comparative study of three different methods of administering metaraminol during spinal anaesthesia in the elderly. [2001.04]
We compared three methods of administering metaraminol during spinal (subarachnoid) anaesthesia. Fifty-two elderly patients with fractured hips were studied...

Hypotension during subarachnoid anaesthesia: haemodynamic effects of colloid and metaraminol. [1996.05]
We have studied 45 patients, aged 60-95 yr, receiving subarachnoid block for neck of femur fractures. Patient received either colloid (polygeline, Haemaccel) 8 ml kg-1 (n = 15), metaraminol 5 micrograms kg-1 and 1.7 micrograms kg-1 min-1 (n = 15) or a combination of both treatments to maintain systolic arterial pressure (SAP) between 75 and 100% of baseline...

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Clinical Trials Related to Aramine (Metaraminol)

Up-Down Determination of the ED90 of Metaraminol to Treat Hypotension During Cesarean Section [Completed]

Ephedrine, Phenylephrine and Metaraminol Effects on Maternal Cardiac Output, Uterine Blood Flow and Fetal Circulation [Active, not recruiting]
It is a prospective clinical trial with random distribution that intends to investigate maternal and fetal effects of ephedrine, phenylephrine and metaraminol during cesarean delivery in patients with pre-eclampsia.

Maternal and Neonatal Outcomes of the Use of Vasopressors to Treat Hypotension During Spinal Anesthesia for Cesarean [Recruiting]
Anesthesia for cesarean section has been a great challenge for the anesthesiologist, for mother and fetus are closely related. So the challenge is to anesthetize the mother without interfering with the physiology of the fetus. The spinal block, although safe, are not free of complications if not treated properly, may be responsible for increased fetal morbidity. Among the major side effects, there is hypotension, with potentially serious consequences for the maternal-fetal dyad. Hypotension in pregnant women at low risk may not lead to major damage, but a pregnant woman with low reserves, as is the case of pregnant women with pre-eclampsia, any drop in blood pressure of the mother can bring harm to the welfare of mother and fetus. Based on the above, the purpose of this study is to compare the effects of maternal and perinatal treatment of hypotension with ephedrine or metaraminol in pregnant women with severe preeclampsia undergoing cesarean section under spinal anesthesia. There will be a randomized, double-blind, which will be included pregnant women with severe preeclampsia with indication of cesarean section, gestational age above 34 weeks gestation and only. Will be Excluded women with hemorrhagic syndromes of pregnancy, HELLP syndrome, eclampsia, cardiovascular or cerebrovascular disease, fetal distress and absolute contraindications to spinal anesthesia. All patients are fully informed of the research objectives and will only be included in the study if they agree to participate and sign the Instrument of Consent. The project was designed following the recommendations of Resolution 196/96 of the National Health and the Declaration of Helsinki for research involving human subjects (2000). In addition, the project was submitted to the Ethics Committee in Research of the Institute of Integrative Medicine Professor Fernando Figueira, is approved. The study will be conducted from June 2011 to July 2012. The study variables are: consumption of metaraminol and ephedrine before and after birth, the occurrence of nausea and vomiting, incidence of maternal hypotension, the occurrence of reactive hypertension, occurrence of bradycardia, pH of umbilical cord, Apgar score 5 minutes, need for face mask ventilation and ICU admission.

Prophylaxis Ephedrine or Ondansetron Prevents Hypotension After Spinal Anesthesia for Cesarean Section [Completed]
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., fluid loading: colloid vs crystalloid, medications: ephedrine, phenylephrine, and metaraminol, etc. The recent study showed ondansetron (the antiemetic drug) can be effectively used to prevent hypotension after spinal anesthesia in normal patients or parturients. The action of ondansetron is believed to inhibit Bezold-Jarish reflex. This aim of this study is to compare the efficacy of ephedrine and ondansetron in the prevention of maternal hypotension after spinal anesthesia in cesarean section.

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Page last updated: 2017-09-28

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