Peripherally Inserted Central Catheter Tip Position: A Novel Empirical-Ultrasonographical Index in a Modern Surgical Oncology Department
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The correct positioning of ultrasound-guided, peripherally inserted central catheters (UGPICCs) is essential to avoid multiple complications. We describe for the first time a retrospective study to evaluate a novel and easy transabdominal ultrasound-guided approach, so-called “Marano index,” to place the UGPICCs tip correctly, making oncological surgeons able to obtain a high successful initial placement rate without postinsertion chest radiography.
We examined the placement of UGPICCs applying, in 53 patients, the “Marano index.” The tip catheter location was controlled by postprocedural chest radiography. Sensitivity, positive predictive value, and accuracy of index application also were calculated and compared with radiographic findings.
The ultrasonographic-guided insertion was successful in all patients (100 %). The identification of catheter inside the inferior vena cava was registered in 50 patients (94.3 %), and in all cases it was clear the precise catheter placement, after Marano index application, with the real tip position and the concordance between postprocedural radiography in 100 % of cases. The overall accuracy of this novel empirical-ultrasonographical index was 94 %, with positive predictive value of 94 % and sensitivity of 100 %.
This technique, once validated in a larger cohort, would allow the insertion of UGPICC without radiologic confirmation in selected patients with an adequate ultrasound body habitus. This would avoid unneeded radiation exposure from chest X-rays and would potentially save cost and time. This strategy provides only minimal deviation from the current practice and it is hence technically easy to learn and perform accurately with basic training by digestive oncological surgeons.
KeywordsInferior Vena Cava Superior Vena Cava Right Atrium Central Catheter Central Venous Access
All authors have no conflicts of interest or financial ties to disclose.
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