Cardiac reoperation.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who are candidates for cardiac reoperation Informed consent to participate in the study Age more than 18 years (Left Ventricular Ejection Fraction) LVEF greater than 35%
Exclusion criteria
Exclusion criteria: Presence of large vessel surgeries requiring Deep Hypothermic Circulatory Arrest (DHCA), third time reoperation and more Presence of kidney failure before surgery (patient with previous diagnosis of kidney failure or creatinine higher than 1.5 mg/dL) Presence of History of bleeding disorders before surgery Presence of Anemia before surgery (hemoglobin less than 10 gr/dL) Presence of history of cerebrovascular diseases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Serum creatinine level. Timepoint: Preoperatively, upon admission to the intensive care unit, 24 and 48 hours later. Method of measurement: laboratory test. | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood Urea Nitrogen. Timepoint: Preoperatively, upon admission to the intensive care unit, 24 and 48 hours later. Method of measurement: laboratory test.;The amount of urinary output. Timepoint: During cardiopulmonary bypass, 6, 12, 24 and 48 hours after surgery. Method of measurement: Patient file information.;Central Venous Pressure. Timepoint: Before starting bypass, During and after the completion of cardiopulmonary bypass, upon entering the intensive care unit, 6, 12, 24 and 48 hours after surgery. Method of measurement: Patient monitoring information.;Mean Arterial Pressure. Timepoint: Before starting bypass, During and after the completion of cardiopulmonary bypass, upon entering the intensive care unit, 6, 12, 24 and 48 hours after surgery. Method of measurement: Patient monitoring information.;Prime volume used in cardiopulmonary bypass circuit. Timepoint: The volume of fluid used in the circuit at the start of cardiopulmonary bypass. Method of measurement: Patient file information.;Hemoglobin. Timepoint: Preoperatively, before starting bypass, during and after completion of cardiopulmonary bypass, upon admission to the intensive care unit, 6, 12, 24, and 48 hours after surgery. Method of measurement: laboratory test.;The amount of blood transfusion. Timepoint: Up to 48 hours after surgery. Method of measurement: Patient file information. | — |
Countries
Iran (Islamic Republic of)
Contacts
Shaheed Rajaie Cardiovascular Medical and Research Center