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Acta Biomedica Scientia

Volume 11, Issue 2, 2024
Mcmed International
Acta Biomedica Scientia
Issn
2348 - 215X (Print), 2348 - 2168 (Online)
Frequency
bi-annual
Email
editorabs@mcmed.us
Journal Home page
http://mcmed.us/journal/abs
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Abstract
Title
A PROSPECTIVE OBSERVATIONAL STUDY ON THE COMPARISON OF SONICATION AND MAKI TECHNIQUES FOR DIAGNOSING CATHETER-RELATED BLOODSTREAM INFECTIONS IN ICU PATIENTS
Author
Dr. Makkam Nagaraj1*, Dr. Ranadheer Raju CS
Email
keyword
Sonication, Colonization, Bloodstream Infection.
Abstract
This study aimed to compare the effectiveness of sonication and the Maki method in diagnosing catheter-related bloodstream infections (CRBSI) in ICU patients. Materials and Methods: A prospective, observational study was conducted in an Intensive Care Unit involving patients who had a central venous catheter (CVC) in place for at least seven days and at least one episode of catheter-related infection (CRI), including new fever or sepsis. Catheter tips were processed using the Maki technique for sonication. Diagnostic performance of the Maki technique, sonication, and their combination was evaluated by calculating the area under the curve (AUC) for the detection of catheter tip colonization and CRBSI. Results: A total of 87 CRI-suspected incidents were identified, with 94 CVCs assessed. Fourteen cases of catheter tip colonization and ten cases of CRBSI were detected. Of the 14 colonization cases, 7 (50%) were identified using both methods, 6 (42.9%) with Maki alone, and 1 (7.1%) with sonication alone. For the 10 CRBSIs, 6 (60%) were detected by both methods, 4 (40%) with Maki alone, and none with sonication alone. The AUC for the Maki technique was significantly higher than sonication in diagnosing CRBSI (p=0.02) and catheter tip colonization (p=0.03). No significant differences in AUC were found between Maki and combination methods for diagnosing catheter-tip colonization (p=0.32) or CRBSI (p=0.32). Conclusion: Sonication alone was not effective in diagnosing catheter tip colonization and CRBSI. The Maki technique, particularly when used in combination with sonication, provided more reliable diagnostic results.
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