Background: Postoperative atrial fibrillation (PoAF) is the most common arrhythmic complication detected after coronary artery bypass grafting (CABG). It is associated with increased morbidity and mortality, especially in elderly patients. Mean platelet volume (MPV) shows the activation of platelets effective in the inflammatory and thrombotic process. The purpose of the present study was to investigate the relations between the preoperative MPV levels and development of PoAF in isolated CABG in elderly patients. Methods: A total of 103 elderly patients (aged ≥ 65 years), who underwent isolated CABG and were at preoperative sinus rhythm, were included in the study. Patients who did not have PoAF were identified as Group 1 (N = 74), and those with PoAF were identified as Group 2 (N = 29). Results: PoAF incidence was 28.2%. Preoperative MPV level was 8.41 ± 1.13 fL in Group 1, and 9.28 ± 1.00 fL in Group 2. The difference was statistically significant (P < .001). Multivariate logistic regression analysis revealed that age, preoperative hemoglobin, and preoperative MPV were independent predictive factors for PoAF development (OR [odds ratio]: 1.149, 95% CI [confidence interval]: 1.043-1.265, P = .005; OR: 1.334, 95% CI: 1.013-1.758, P = .040; OR: 2.103, 95% CI: 1.324-3.339, P = .002, respectively). The cut-off value for MPV as the predictor of PoAF development was found to be 8.43 (sensitivity: 82.8% and specificity: 55.4%). Conclusion: This study showed that MPV levels are associated with PoAF development in elderly patients, and other independent predictive factors include age and preoperative hemoglobin levels for POAF development.
Introduction: Low hematocrit level is a hematological problem that is frequently encountered in the preoperative evaluation of patients undergoing coronary artery bypass grafting (CABG) surgery. The aim of this study was to investigate the effect of preoperative hematocrit level on the first 30-day outcomes in patients undergoing CABG surgery. Methods: Ninety-four patients undergoing isolated CABG were included in the study. The patients were divided into two groups as patients with preoperative low hematocrit levels (<36%) in Group 1 and patients with preoperative normal hematocrit levels (≥36%) in Group 2. Results: Forty-six patients in Group 1 (mean age: 63.6 ± 7.9 years) and 48 patients in Group 2 (mean age: 56.5 ± 8.8 years) were enrolled. European System for Cardiac Operative Risk Evaluation (EuroSCORE) scoring was statistically significantly higher in Group 1 (p = 0.011). In the postoperative period, the amount of drainage, transfusion of blood, and blood products were significantly higher in Group 1 (p < 0.001). The mortality rate of Group 1 was statistically higher in the first 30 days postoperatively (p = 0.020). Conclusion: Low preoperative hematocrit levels are associated with increased mortality after CABG surgery. We suggest that patients' preoperative hematocrit levels must be added to the risk scoring systems as an assessment parameter.
SummaryAimThe mortality rate of coronary artery bypass surgery increases with advanced patient age. This intra-aortic balloon pump (IABP) study was conducted to compare older patients (above 65 years of age) with younger patients (below 65 years of age) who had undergone coronary artery bypass surgery and had had an IABP inserted, with regard to hospital stay, clinical features, intensive care unit stay, postoperative complications, and mortality and morbidity rates.MethodsOne hundred and ninety patients who had undergone coronary artery bypass surgery and had required IABP support were enrolled in this study. Patients younger than 65 years of age were considered younger, and the others were considered older. Ninety-two patients were in younger group and 98 patients were older group. The mortality rates, pre-operative clinical characteristics, postoperative complications, and duration of intensive care unit and hospital stay of the groups were compared. The risk factors for mortality and complications were analysed.ResultsOne hundred and thirty-eight of the patients were male, and the mean age was 62.7 ± 9.9 years. The mortality rate was higher in the older patient group than the younger group [34 (37.7%) and 23 (23.4 %), respectively (p = 0.043)]. The crossclamp time, mean ejection fraction, cardiopulmonary bypass time, and length of stay in the intensive care unit were similar between the two groups (p > 0.05). Cardiopulmonary bypass time was the unique independent risk factor for mortality in both groups.ConclusionIn this study, high mortality rates in the postoperative period were similar to those in prior studies regarding IABP support. The complication rates were higher in the older patient group. Prolonged cardiopulmonary bypass time and advanced age were determined to be significant risk factors for mortality.
OBJECTIVE:The aim of this study was to investigate the relationship between the development of deep sternal wound infection after open heart surgery and inflammatory parameters obtained from routine biochemical tests. METHODS: A total of 280 patients who underwent cardiac surgery with median sternotomy between January 2015 and January 2020 were examined retrospectively. Patients who developed deep sternal wound infection were identified as "Group 1, " and those who did not develop deep sternal wound infection were identified as "Group 2. " RESULTS: There were 70 patients with a mean age of 61.6±9.9 years in Group 1 and 210 patients with a mean age of 62.7±9.8 years in Group 2. As a result of the analysis, it was found that the presence of concomitant chronic obstructive pulmonary disease, concomitant diabetes mellitus, blood and blood product transfusion, postoperative 2 nd day C-reactive protein, postoperative 1 st day neutrophil-to-lymphocyte ratio, and delta neutrophilto-lymphocyte ratio was found as independent predictive factors of postoperative deep sternal wound infection development (p=0. 043, p=0.012, p=0.029, p=0.009, p=0.002, and p<0.001; respectively). As a predictor of deep sternal wound infections development, postoperative 1 st day neutrophilto-lymphocyte ratio cutoff value was 11.2 (area under the curve [AUC] 0.598; p=0.014; 60% sensitivity, and 65.2% specificity), and delta neutrophilto-lymphocyte ratio cutoff value was 9.6 (AUC 0.716; p<0.001; 57.1% sensitivity, and 73.8% specificity). CONCLUSIONS: Deep sternal wound infection development can be predicted with inflammatory parameters such as neutrophil-to-lymphocyte ratio and C-reactive protein that are obtained from cheap and easily available routine biochemical tests.
Background: The aim of this study is to compare the efficacy of the microplegia solution and Del Nido cardioplegia solution in coronary artery bypass surgery with clinical, biochemical, and echocardiographic data. Methods: Three hundred patients, who underwent coronary artery bypass surgery between January 2017 and January 2020, by the same surgical team were included in the study. Preoperative, operative and postoperative data (cardiac biomarker levels, cross-clamp and CPB times, echocardiographic measurements, etc.) of the patients were compared. Results: In the study, cross-clamp time was significantly shorter in the DN cardioplegia group (55.60 ± 13.49 min/75.58 ± 12.43 min, P = 0.024). No significant difference was observed between the two groups in terms of intensive care stay, extubation time, hospital stay, and cardiopulmonary bypass time. In our study, it was shown that both the left and right ventricular ejection fraction was better protected in the Del Nido cardioplegia group (5.34±3.03 vs. 3.40±2.84, P = 0.017 and 3.82±1.19 vs. 2.28±1.87, P = 0.047, respectively), and the need for inotrope support was lower in this group (28% vs. 44%, P < 0.021). There was no significant difference between the groups, in terms of blood transfusion rates, IABP requirement. Conclusion: In light of short-term results, we can say that Del Nido cardioplegia provides better myocardial protection than microplegia. In addition, Del Nido cardioplegia can be given as a single dose for 90 minutes of cross-clamp time and therefore can be preferred to increase surgical comfort and reduce cross-clamp times.
Introduction Effective treatment of postoperative pain due to median sternotomy speeds up hemodynamic healing of patients. For this purpose, opioids with a wide range of side effects are widely used at high doses. The aim of this study is to investigate the effect of continuous local anesthetic (bupivacaine) infusion on opioid use on cardiac surgery patients undergoing median sternotomy. Methods A total of 215 patients undergoing isolated coronary artery bypass grafting surgery were included in the study; and 105 patients who underwent parasternal continuous local anesthetic infusion (0.5% bupivacaine at 4 mL/h, for 48h) were determined as local anesthesia group and other patients were as control group. The primary outcomes evaluated between the groups in the postoperative period were pain scores (VAS: Visual Analogic Score, PHHPS: Prince Henry Hospital Pain Score) and the number of opioids used. Secondary outcomes were mechanical ventilation time, intensive care unit and hospital stay duration, development of atrial fibrillation and atelectasis. Results Postoperative pain was found to be significantly lower in the local anesthesia group compared to the control group (VAS: 3 ± 1.9 vs 6.4 ± 1.8, p < 0.001; PHHPS: 0.9 ± 0.8 vs 1.62 ± 0.82, p < 0.001). As a result of this, opioid drug use was significantly lower in the local anesthesia group compared to the control group (0 (0 - 4) vs 1 (0 - 8), p < 0.001). Mechanical ventilation time, intensive care unit and hospital stay duration, and development of atelectasis were significantly lower in the local anesthesia group. In terms of the development of atrial fibrillation, no significant difference was found between the groups. Conclusion Parasternal continuous local anesthetic infusion reduces postoperative opioid use and speeds up hemodynamic healing by preventing possible side effects of opioids. It is a simple and effective method in the treatment of postoperative pain due to median sternotomy.
Objectives: Atrial fibrillation (AF) is the most common arrhythmia encountered and is usually seen in patients scheduled for coronary artery bypass and mitral valve surgery. Radiofrequency ablation and cryoablation are two methods used in AF surgery and proven efficacy. In this study, cryoablation and radiofrequency ablation methods were compared in terms of clinical outcomes, efficacy and safety. Methods: Between November 2011 and September 2017; 99 patients with AF who underwent radiofrequency ablation or cryoablation during open heart surgery were included in this study with 2 groups. The patients who underwent cryoablation were defined as Group I (n = 40), and the patients who underwent radiofrequency ablation as Group II (n = 59). Preoperative, perioperative, early and mid (1 year) postoperative period characteristics of the groups were analyzed. Results: The mean age was 60.6 ± 9 years in Group I and 60.7 ± 9.1 years in Group II (p = 0.960). When the operative values were examined, ablation time and cross-clamp time was found to be low in Group II and a statistically significant difference was found (p < 0.001 and p = 0.043; respectively). When the rhythms of the postoperative first year controls are examined, sinus rhythm was observed in 34 (85%) patients in Group I and 50 (84.7%) patients in Group II. There was no statistically significant difference in return to sinus rhythm in the first year (p = 0.975). Conclusions: The success rates of these two methods used in AF surgery are effective but they are not superior to each other.
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