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KMID : 1033420110140010241
Journal of Korean Society of Cardio-Vascular Interventional Technology
2011 Volume.14 No. 1 p.241 ~ p.241
Evaluation of radiation dose, safety and effectiveness in using Carbon dioxide digital subtraction Venocavography
Lee Jae-Yeong

Kim Tae-Il
Oh Jae-Seon
Gwon Dong-Il
Abstract
Purpose: To evaluate radiation dose, safety and effectiveness of digital subtraction venocavography using carbon dioxide (CO2) as a contrast agent in patients undergoing vena cava filter insertion.

Methods: From October 2008 to February 2010, 69 patients were included in the retrospective study. All patients underwent vena cava filter insertion using digital subtraction CO2 venocavography. 40-50ml of CO2 was manually injected via 9-F sheath. The tip of 9-F sheath was located in proximal inferior vena cava or distal common iliac vein. Radiation dose, Blood pressure, pulse rate, and peripheral arterial oxygen saturation were monitored before, during, and after the CO2 injection.

Results: During digital subtraction CO2 venocavography, regardless patient condition, the anatomy of the vena cava, the iliac veins and the renal veins were successfully identified in all patients. Filters were successfully implanted into the vena cava. There were no procedure- related complications following CO2 venocavography and filter insertion. There were no significant change in blood pressure, pulse rate, and peripheral oxygen saturation after CO2 venocavography. Transient decrease in blood pressure was observed in four patients, which resolved without intervention within 1?5 minutes.

Conclusion: Digital subtraction venocavography using CO2 is decrease radiation dose, safe and effective contrast agent for patients requiring vena cava filter placement.
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