the body with local anesthetic medications without causing loss of consciousness [1]. When regional anesthesia is compared with general anesthesia, the frequency of use is increasing, due to early mobilization, high analgesia level,
Background. The aim of this study is to compare the effects of sevoflurane and propofol on one lung ventilation (OLV) induced ischemia-reperfusion injury (IRI) by determining the blood gas, ischemia-modified albumin (IMA), and malonyldialdehyde (MDA). Material and Methods. Forty-four patients undergoing thoracic surgery with OLV were randomized in two groups (sevoflurane Group S, propofol Group P). Anesthesia was inducted with thiopental and was maintained with 1–2.5% of sevoflurane within the 40/60% of O2/N2O mixture in Group S. In Group P anesthesia was inducted with propofol and was maintained with infusion of propofol and remifentanil. Hemodynamic records and blood samples were obtained before anesthesia induction (t 1), 1 min before two lung ventilation (t 2), 30 min after two lung ventilation (t 3), and postoperative sixth hours (t 4). Results. Heart rate at t 2 and t 3 in Group P was significantly lower than that in Group S. While there were no significant differences in terms of pH and pCO2, pO2 at t 2 and t 3 in Group S was significantly lower than that in Group P. IMA levels at t 4 in Group S were significantly lower than those in Group P. Conclusion. Sevoflurane may offer protection against IRI after OLV in thoracic surgery.
Background Central venous catheterization is an invasive procedure that must be performed during cardiovascular surgery. The addition of ultrasound guidance to the catheterization technique has shown effectiveness in reducing complications because it allows for the visualization of anatomical variations prior to intervention and the continual visualization of the needle during the placement. The purpose of this study was to evaluate the effectiveness of needle-guiding ultrasound for internal jugular venous cannulation. Method Patients undergoing coronary bypass surgery at Hitit University, department of cardiovascular surgery, from January 2014 to June 2018, were included in the study. The patients were divided into two groups: those with catheterization with ultrasound guidance (Group U) and those with catheterization performed with the anatomic landmark technique (Group L). Results A total of 584 cases were investigated. The success of the procedure and complication rates for both methods were compared. Central vein catheterization with ultrasonography produced success and complication rates significantly better than those for catheterization using the landmark technique (p=0.04 and p=0.00001, respectively). Conclusion This study demonstrated that the use of ultrasonography for internal jugular vein catheterization for patients undergoing coronary bypass surgery significantly reduced the complication rates as compared to those of patients where the landmark technique was used for catheterization.
Background/aimsSedation is one of the most important components of intensive care unit (ICU) in patients who are mechanically ventilated at intensive care conditions. As a result of sedation and analgesia in the intensive care unit, the patient is to be awakened a comfortable and easy process. The aim of the study is to demonstrate the effects of day-time sedation interruptions in intensive care patients.Material and methodsWe made a retrospective review of 100 patients who were monitored, mechanically ventilated and treated at our intensive care unit between January 2008 and January 2013. Patients were divided into two groups, including Group P (continuous infusion of sedative agent) and Group D (daily sedation interruptions - daily recovery).Demographics, mechanical ventilation time, stay at intensive care unit, hospitalization period, time of first weaning, success of weaning, ventilator-related pneumonia (VRP), total doses of drugs, re-intubation frequency, Acute Physiology and Chronic Health Evaluation II (APACHE II), Sequential Organ Failure Assessment (SOFA) scores and mortality rates of patients were compared. Ramsay Sedation Score (RSS) was used to evaluate the level of sedation. Considering that ideal sedation level is "3" with RSS, RSS < 3 is considered as mild sedation, while RSS > 3 is considered as deep sedation.ResultsThere was no difference between demographics of patients. Mechanical ventilation period was significantly longer in Group P than Group D (p < 0.001). When stay at ICU unit was considered, ICU stay was significantly longer in Group P than Group D (p < 0.001). No statistically significant difference was found between two groups with respect to hospitalization period. In inter-group comparison, time to start first weaning was significantly late in Group P than Group D (p < 0.05). There was no difference between groups in terms of frequency of success of weaning and mortality rate (p > 0.05). In inter-group comparison the frequency of reintubation viewed in Group D was significantly less than in Group P (p < 0.05). Considering development of VRP, it was significantly more common in Group P in comparison with Group D (p < 0.05). No statistically significant difference was found between groups in terms of doses of sedative agents (p > 0.05). Considering doses of opioid analgesics, the total dose of fentanyl was significantly higher in Group P than Group D (p = 0.04), while no difference was found for doses of morphine (p > 0.05). Again, no statistical difference was found in doses of muscle relaxant agents (p > 0.05).ConclusionIt was observed that the sedation technique with daily interruption is superior to continuous infusion of sedatives. Accordingly, we believe that daily weaning will make positive contributions to patients who are mechanically ventilated at intensive care unit.
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