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Blood pressure drop following spinal anesthesia is connected with sympathetic/parasympathetic activity which may be determinated by Heart Rate Variability (HRV) assessment. Sympathetic predomination expressed as LF/HF ratio above 2.5 is strongly connected with deeper blood pressure fall. As drugs given for premedication may have impact on HRV variables, the investigators would like to determine if pharmacological premedication may modify hemodynamic changes following spinal blockade. Two drugs will be compared - midazolam which is known to lead to increase in LF/HF ratio and morphine - opioid which provokes opposite effect.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Outcomes Assessor), Primary Purpose: Treatment
Haemodynamics After Spinal Anesthesia
Morphine hydrochloride; Midazolam, Midazolam
Medical University of Gdansk
Medical University of Gdansk
Published on BioPortfolio: 2014-08-27T03:16:01-0400
A prospective, double-blinded, multicenter randomized control trial. All critically ill patients above 12 years of age requiring continuous sedation for >24hrs in the ICU will be screened ...
CP-690,550 and midazolam are metabolized by similar enzymes in the liver. This study is designed to assess whether co-administration of CP-690,500 and midazolam will effect the metabolism ...
It is a randomized simple-blind monocentric study; the group A will receive oral morphine with placebo and the group B will receive oral morphine with sublingual midazolam. The aim of thi...
This study is to investigate on the objective relevance between bispectral index (BIS) and Observer's assessment of alertness/sedation (OAA/S) scale in patients sedated with Midazolam, pro...
Pre-anesthetic dosing of midazolam is commonly used in many hospitals for the induction of anesthesia, but the effect is still controversial. The purpose of this study was to evaluate the ...
OBJECTIVE To determine the physiochemical properties and pharmacokinetics of 3 midazolam gel formulations following buccal administration to dogs. ANIMALS 5 healthy adult hounds. PROCEDURES In phase 1...
Midazolam has been successfully used for sedation, which the tablets, injections and oral solutions were available in market. However, the oral bioavailability of midazolam is less due to the first ef...
We evaluated the efficacy and gastroenterologist/patient satisfaction of midazolam combined with oxycodone, relative to that of midazolam combined with sufentanil, for anesthesia during endoscopic inj...
To evaluated the apoptosis in parotid glands of rats treated with Midazolam associated or not with Pilocarpine, Sixty Wistar rats were assigned to 6 groups: control group received saline solution for ...
The objective of this study was to evaluate the use of alfaxalone in a small passerine species. A dose-response trial was conducted whereby 10, 30, and 50 mg/kg alfaxalone was administered subcutaneou...
A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH.
A cytochrome P-450 monooxygenase that is involved in an NADPH-dependent electron transport pathway by oxidizing a variety of structurally unrelated compounds, including STEROIDS; FATTY ACIDS; and XENOBIOTICS. This enzyme has clinical significance due to its ability to metabolize a diverse array of clinically important drugs such as CYCLOSPORINE; VERAPAMIL; and MIDAZOLAM. This enzyme also catalyzes the N-demethylation of ERYTHROMYCIN.
Procedure in which an anesthetic is injected directly into the spinal cord.
A local anesthetic of the amide type now generally used for surface anesthesia. It is one of the most potent and toxic of the long-acting local anesthetics and its parenteral use is restricted to spinal anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1006)
An opioid analgesic with actions and uses similar to those of MORPHINE, apart from an absence of cough suppressant activity. It is used in the treatment of moderate to severe pain, including pain in obstetrics. It may also be used as an adjunct to anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1092)
Anesthesia is the loss of feeling or sensation in all or part of the body. It may result from damage to nerves or can be induced by an anesthetist (a medical professional) using anesthetics such as thiopental or propofol or sevoflurane during a surgical ...
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Of all the types of Dementia, Alzheimer's disease is the most common, affecting around 465,000 people in the UK. Neurons in the brain die, becuase 'plaques' and 'tangles' (mis-folded proteins) form in the brain. People with Al...