Background:For coronary artery bypass grafting (CABG) sternotomy should be performed. The pain after surgery is severe and requires medical intervention. Use of the analgesics is limited by their side effects and studies suggest that prevention with some medications before surgery is effective in controlling the postoperative pain.Objectives:We investigated the efficacy of pregabalin administration before surgery in the treatment of acute postoperative pain after CABG surgery.Patients and Methods:Sixty patients indicated for elective CABG surgery were randomly allocated to two groups. One group received placebo and the other received 150 mg of oral pregabalin before surgery. Heart rates, blood pressure, respiratory rate, intensive care unit (ICU) stay duration, morphine consumption, and pain score according to the visual analog scale (VAS) were measured and recorded at 4, 12, and 24 hours of surgery.Results:Pregabalin consumption did not alter hemodynamic parameters and was safe in patients after CABG. Its consumption was associated with significant reduction in the pain score (P values were 0.035, 0.026, and 0.047 respectively at 4, 12, and 24 hours of surgery). Its use was not associated with changes in the morphine consumption at 4, 12, and 24 hours of surgery (P > 0.05).Conclusions:Premedication with studied dose of pregabalin is effective for the prevention of postoperative pain in patients after CABG and has no adverse effects. Trials with other treating schedule and doses of the drug should be performed to determine the best treatment plan.
Background: After major surgeries, such as abdominal or thoracic surgery, the majority of patients experience moderate to severe pain that may not be optimally controlled. Inadequate pain relief may lead to complications that can hinder rehabilitation and slow recovery.
Background: Postoperative pain control after cardiac surgery is usually based on Opioids. These drugs are associated with side effects, and the use of drugs with fewer side effects is important for analgesia. Dexmedetomidine and paracetamol have fewer side effects than opioids. Objectives: The aim of the study was to evaluate the adding paracetamol to dexmedetomidine continuous infusion pump for pain management after adult cardiac surgery. Methods: In this study, 100 patients were divided into two groups. One group received a continuous infusion of dexmedetomidine and paracetamol (DP), and the other received dexmedetomidine (D). These two groups were evaluated for MAP, HR, and the need for prescribing opioids before and after extubation. Also, duration of intubation and pain before extubation and 36 hours after every 4 hours. Results: Patients in the DP group had lower mean MAP and HR during intubation period than the D group and needed fewer opioids and doses of opioids in addition to drug study infusion pre- (P = 0.001) and post-extubation (P = 0.001 and P = 0.022, respectively). The DP group patients were extubated earlier (P = 0.001). After extubation, the DP group had less pain than the D group. Conclusions: This study showed that adding paracetamol to the dexmedetomidine infusion pump can provide better analgesia.
Background: Acute Kidney Injury (AKI) is a prevalent and important complication of cardiac surgery, which is associated with significant morbidity and mortality. Identification of risk factors associated with AKI will help it's prevent. Objectives: The objective of the present investigation was to identify risk factors for acute kidney injury in patients who underwent coronary artery bypass graft (CABG) surgery at a tertiary care center for cardiovascular patients in Iran. Patients and Methods: From March 2014 to April 2015, 490 consecutive patients who underwent On-pump CABG at Rajaie cardiovascular medical and research center were assessed. Baseline variables and perioperative data were collected and their association with the development of AKI was evaluated. Results: Patients' mean age was of 67.9 (SD = 12.5) years. From these patients 353 (72%) were male and 137 (28%) were female. Six deaths (1.3%) occurred among patients. Thirteen patients (2%) had AKI. The baseline serum creatinine concentrations in patients with AKI were significantly higher than other patients (P = 0.04). Volume of transfused red blood cells and hemoglobin value were different, associated with AKI (P < 0.05), while systemic arterial oxygen saturation and pressure values were not associated with AKI (P > 0.05). Mean arterial pressure (MAP) was not different in patients with AKI (P = 0.85). The mean pump time in patients with AKI was significantly higher than the other patients (P = 0.02). Postoperative Left ventricle ejection fraction (LVEF) in patients who developed AKI was significantly reduced compared with patients without AKI (P = 0.01). The in-hospital mortality of patients who developed AKI was 7.69% compared with 1.04% among those who did not (P = 0. 01). Conclusions: Acute kidney injury is the important postoperative organ dysfunction in patients who underwent CABG and preoperative elevated serum creatinine concentration, cardiopulmonary bypass time > 120 minutes, intraoperative anemia and blood transfusion were serious risk factors associated with AKI.
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