Abstract
Background & Aims:Central venous catheters (CVC), commonly indicated in paediatric patients during cardiac surgeries can cause various complications if not correctly positioned. Objective of this study was to compare correct placement of the CVC tip using anatomical landmark technique with ECG-guided technique.Methods:A prospective, randomised interventional study was conducted on 72 patients of <12 years age, randomly allotted to two groups of 36 patients each (landmark and ECG). After induction, central venous cannulation was performed in right IJV in all patients using either of the techniques. Post operative chest X rays were obtained in all patients and correct position of CVC was checked. CVC tip position within 0.5cm above/ below or at carina was considered as correct position. Analyses were performed using Student’s t-tests and Chi square-tests.Results:It was found that 22 (61.11%) in the landmark group were positioned correctly as compared to 33 (91.67%) in the ECG group (p = 0.006). The mean depth of CVC insertion was 9.05±1.66 in landmark group and 8.26±1.41 in the ECG group (p= 0.032). The landmark group had 12 (33.33%) participants with complications during the procedure, compared to 3 (8.33%) in the ECG-guided group (p = 0.020).Conclusion:ECG-guided technique was found to be more accurate for CVC tip placement than the anatomical landmark technique. ECG-guided technique had less complications than the anatomical landmark technique. Hence, ECG-guided CVC placement is relatively accurate, efficient, and safe.ParameterLandmark Group (n=36)ECG Group (n=36) P Age (in years)6.56±3.646.50±3.480.947Sex (M/F)21/1520/161.00Height (cm)114.04±22.95112.79±22.580.816Weight (kg)19.33±9.4019.83±8.480.810
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