Acute post-operative pain following sternotomy in cardiac surgery should be adequately managed so as to avoid adverse hemodynamic consequences and pulmonary complications. In the era of fast tracking, adequate and efficient technique of post-operative analgesia enables early extubation, mobilization and discharge from intensive care unit. Due to increasing expertise in ultrasound guided blocks there is a recent surge in trial of bilateral nerve blocks for pain relief following sternotomy. The aim of this article was to review non-neuraxial regional blocks for analgesia following sternotomy in cardiac surgery. Due to the paucity of similar studies and heterogeneity, the assessment of bias, systematic review or pooled analysis/meta-analysis was not feasible. A total of 17 articles were found to be directly related to the performance of non-neuraxial regional nerve blocks across all study designs. Due to scarcity of literature, comments cannot be made on the superiority of these blocks over each other. However, most of the reviewed techniques were found to be equally efficacious or better than conventional and established techniques.
Background and Aims: Chronic post thoracotomy pain (CPTP) is a nagging complication and can affect quality of life (QOL). Studies conducted across globe have found a wide variability in the risk factors predisposing to chronic pain following thoracotomy. As no study on CPTP is available from India, we aim to detect the prevalence of CPTP, assess the predisposing factors implicated in its causation and study the impact of CPTP on QOL. Methods: After obtaining clearance from Institutional ethics committee, medical records of patients who underwent open posterolateral thoracotomy between January 2012 and December 2015 were reviewed. Data on perioperative variables, address, and contact number were collected from the patient records. All patients were mailed the Telugu translation of medical outcome study short form -36(MOS-SF-36) QOL questionnaire and were contacted telephonically to enquire about presence of CPTP and QOL. A univariate analysis was done to assess factors associated with CPTP and a multivariate logistic regression analysis was done subsequently to identify independent risk factors of CPTP. QOL indices were compared between those patients who suffered from CPTP and those who did not. Results: The prevalence of pain in our study was 40.86% (85/208). The factors implicated in the causation of CPTP were diabetes mellitus, preoperative pain, rib resection, and duration of chest tube drainage with odds ratio of 9.8, 2.6, 6.7, and 1.03, respectively. The health-related QOL showed poor scores in all domains in patients suffering from CPTP. Conclusion: The prevalence of CPTP was high. It significantly impacts health-related QOL.
Background and Aims:Risk Stratification has an important place in cardiac surgery to identify high-risk cases and optimally allocate resources. Hence various risk scoring systems have been tried to predict mortality. The aim of the present study was to validate the European System for Cardiac Operative Risk Evaluation II (EuroSCORE II) in Indian cardiac surgical patients.Methods:After obtaining ethics committee clearance, data on EuroSCORE II variables were collected for all patients >18 years undergoing on-pump coronary artery bypass graft (CABG), valve surgery and mixed (CABG + valve) procedures between January 2011 and December 2012. Mortality prediction was done using the online calculator from the site www.euroscore.org. The calibration of the EuroSCORE II model was analysed using the Hosmer–Lemeshow test and discrimination was analysed by plotting receiver operating characteristic curves (ROC) and calculating area under the curve (AUC). The analysis was done in the total sample, CABG, valve surgery and in mixed procedures.Results:The overall observed mortality was 5.7% in the total sample, 6.6% in CABG, 4.2% in valve surgeries and 10.2% in mixed procedures whereas the predicted mortality was 2.9%, 3.1%, 2.4%, 5.1% in total sample, CABG, valve surgery and mixed procedure, respectively. The significance (P value) of Hosmer–Lemeshow test was 0.292, 0.45, 0.56 and 1 for the total sample, CABG, valve surgery and mixed procedure, respectively, indicating good calibration. The AUC of ROC was 0.76, 0.70, 0.83 and 0.78 for total sample, CABG, valve surgery and mixed procedure, respectively.Conclusion:Mortality of the sample was under-predicted by EuroSCORE II. Calibration of the EuroSCORE II model was good for total sample as well as for all surgical subcategories. Discrimination was good in the total sample and in the mixed procedure population, acceptable in CABG patients and excellent in valve surgeries.
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