• Paolo Balsorano, Gianni Virgili, Gianluca Villa, Mauro Pittiruti, Stefano Romagnoli, Angelo Raffaele De Gaudio, and Fulvio Pinelli.
• Division of Oncological Anesthesia and Intensive Care, Department of Anesthesia and Intensive Care, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.
• J Vasc Access. 2020 Jan 1; 21 (1): 45-54.

BackgroundTechnical factors at the moment of catheter insertion might have a role in peripherally inserted central catheter-related thrombotic risk. We performed a systematic review and meta-analysis to define the actual rate of peripherally inserted central catheter-related symptomatic deep vein thrombosis in patients in whom catheter insertion was performed according to ultrasound guidance, appropriate catheter size choice, and proper verification of tip location.MethodsWe searched Medline, Embase, and Cochrane Library. Only prospective observational studies published in peer-reviewed journals after 2010 up to November 2018 reporting peripherally inserted central catheter-related deep vein thrombosis rate were included. All studies were of adult patients who underwent peripherally inserted central catheter insertion. Results were restricted to those studies which included in their methods ultrasound guidance for venipuncture, catheter tip location, and a catheter size selection strategy. Random-effect meta-analyses and arcsine transformation for binomial data were performed to pool deep vein thrombosis weighted frequencies.ResultsOf the 1441 studies identified, 15 studies involving 5420 patients and 5914 peripherally inserted central catheters fulfilled our inclusion criteria. The weighted frequency of peripherally inserted central catheter-related deep vein thrombosis was 2.4% (95% confidence interval = 1.5-3.3) and remained low in oncologic patients (2.2%, 95% confidence interval = 0.6-3.9). Thrombotic rate was higher in onco-hematologic patients (5.9%, 95% confidence interval = 1.2-10). Considerable heterogeneity (I2 = 74.9) was observed and all studies were considered at high risk of attrition bias.ConclusionsA proper technique is crucial at the moment of peripherally inserted central catheter insertion. Peripherally inserted central catheter-related deep vein thrombosis rate appears to be low when evidence-based technical factors are taken into consideration during the insertion procedure.

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