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- W2038245826 abstract "Objective To compare the frequency of infectious and mechanical complications of central venous and pulmonary artery catheters placed by initial venipuncture vs. over a guidewire at existing sites. Hypothesis Exchange of central venous catheters and pulmonary artery catheters over a guidewire as opposed to fresh venipuncture reduces mechanical complications without increasing risk of infection. Design Chart audit. Patients Medical, surgical, and coronary ICU patients requiring invasive monitoring or central venous access. Interventions Patients requiring prolonged catheterization underwent periodic exchange of catheters over a guidewire. Rates of catheter-related infections and mechanical complications were determined for central venous catheters placed by initial venipuncture and those catheters placed by guidewire exchange. Measurements and Main Results Over a 12-month period, 939 catheters were inserted in 454 patients. Of these 939 catheters, 534 were placed by guidewire exchange. Use of a guidewire was associated with a decreased frequency of pneumothorax and hemothorax compared with initial venipuncture (0/405 [0%] vs. 7/534 [1.3%], respectively; p <.05) but not with increased risk of infection (9/405 [2.2%] vs. 14/534 [2.6%], respectively; NS). Guidewire-facilitated replacement of multiple consecutive catheters at the same site did not increase the risk of catheter-related infection. Catheters placed via internal jugular veins were more likely to become infected than catheters placed via subclavian veins (17/477 [3.6%] vs. 3/430 [0.7%], respectively; p <.01). Conclusions When prolonged central venous or pulmonary artery catheterization is necessary, periodic catheter replacement over a guidewire is associated with fewer mechanical complications than initial venipuncture. Periodic catheter replacement over a guidewire is also associated with no increase in risk of infection." @default.
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- W2038245826 date "1992-10-01" @default.
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- W2038245826 title "Infectious and mechanical complications of central venous catheters placed by percutaneous venipuncture and over guidewires" @default.
- W2038245826 doi "https://doi.org/10.1097/00003246-199210000-00011" @default.
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