Vasopressor Requirements Depends on Sedation Strategy
Sedative Adverse Reaction, Sedation Complication, Hemodynamic Instability
About this trial
This is an interventional prevention trial for Sedative Adverse Reaction
Eligibility Criteria
Inclusion Criteria:
- Multi vascular lesions of the coronary arteries according to coronary angiography;
- Heart valve damage was confirmed by heart ultrasound, which is subject to surgical correction (aortic stenosis of III degree with a gradient on the aortic valve of more than 42 mmHg, aortic insufficiency III, mitral valve stenosis II-III, mitral regurgitation II-III)
- Age of patients from 18-80 years;
- Patient consent to participate in the study;
- Women who have a negative pregnancy test and use effective contraception throughout the study and for 3 weeks after its completion, or women who are unable to have children (women who have undergone a hysterectomy (removal of the uterus) or tubal ligation, women with a clinical diagnosis of infertility) or are menopausal for more than 1 year (absence of menstruation for at least 12 months). Adequate methods of contraception include: surgical sterilization, double barrier method of contraception, local contraception;
Exclusion Criteria:
- Refusal to participate;
- Hypersensitivity to propofol, dexmedetomidine;
- Prolonged mechanical ventilation in case of surgical complications (bleeding, inadequate perfusion of the myocardium);
- Occurred ischemic stroke;
- History of the ischemic stroke;
- History of the neurodegenerative diseases;
- History of the mental disorders;
- Use of neuroleptics, antidepressants for the last 5 years;
- History of the cardiac surgery in the past;
- Patients with chronic pulmonary disease (GOLD 3-4)
- Patients with asthma (moderate or severe),
- Participation in any other clinical trial;
- Gastric or duodenal ulcer with risk of bleeding;
- Chronic renal failure (ClCr less than 50 ml / h)
- Acute renal failure that occurred during surgery (ClCr less than 50 ml / h, or a decrease in the rate of diuresis to 0.1 ml / h in the first 4 hours after surgery and does not respond to diuretic therapy)
- Chronic hepatic insufficiency if there are laboratory signs of hypo coagulation without the use of anticoagulant therapy (INR> 1.5)
- If the patient has not stopped taking anticoagulants or antiplatelet agents in the preoperative period: warfarin 5 days before surgery, clopidogrel 5-7 days before surgery, xarelto / pradaxa 3 days before surgery),
- History of the hematological disease;
- Alcohol abuse in the anamnesis (3-4 times a week).
- Condition after chemotherapy;
- Pregnancy, lactation.
Sites / Locations
- Cardiosurgery departments with intensive care block
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
Propofol group
Dexmedetomidine group
Dexmedetomidine and propofol group
Patient sedation after cardiac surgery at the intensive care unit. Sedation group (PR): continuous infusion of propofol using a syringe pump at the dose of 1-1.5 mg / kg / h
Patient sedation after cardiac surgery at the intensive care unit. Sedation group Dexmedetomidine (DEX): continuous infusion of Dexmedetomidine using a syringe pump at the dose of 0.5-1.0 mcg/ kg / h
Patient sedation after cardiac surgery at the intensive care unit. Sedation group DEX+PR: continuous infusion of propofol using a syringe pump at the dose of 0.5-1.5 mg / kg / h and dexmedetomidine 0.2-0.7 mcg\kg\h