Ralph Gnannt1, Bairbre L Connolly2, Dimitri A Parra2, Joao Amaral2, Rahim Moineddin3, Avnesh S Thakor2. 1. Image Guided Therapy, Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, 555 University Ave., Toronto, ON, M5G 1X8, Canada. ralph.gnannt@sickkids.ca. 2. Image Guided Therapy, Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, 555 University Ave., Toronto, ON, M5G 1X8, Canada. 3. Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada.
Abstract
BACKGROUND: The position of the tip of a peripherally inserted central catheter (PICC) is crucial; malposition can lead to malfunction of the line or life-threatening events (e.g., arrhythmias, perforation). OBJECTIVE: To determine what factors other than arm position and accessed vein might influence the tip position of a PICC. MATERIALS AND METHODS: Inclusion criteria were upper limb PICC placement, body weight <20 kg, intraoperative imaging with the arm in 0°, 45° and 90° abduction and an arm view marking the skin entry site relative to the shoulder. Evaluated variables included patient demographics, and PICC and insertion site characteristics. We measured central tip movement in rib units. RESULTS: We included 112 children who received a PICC (42 girls/70 boys, mean age 31±13 months, mean weight 6.5±4.9 kg). The overall range of central tip movement was -1 to +4 rib units (mean +0.8±0.7 rib units). Silicone PICCs moved significantly less than polyurethane PICCs (P<0.05). PICCs placed in the cephalic vein moved significantly less than those placed in other veins (P<0.05). Patient demographics and PICC characteristics (size, number of lumens, left or right arm accessed, length of the line) did not influence the range of central tip movement of a PICC (P>0.05). CONCLUSION: Silicone PICCs and PICCs inserted into the cephalic vein move less than PICCs made of polyurethane and PICCs inserted into the brachial and basilic veins. These findings might assist operators in deciding which PICC to place in children in a given clinical context.
BACKGROUND: The position of the tip of a peripherally inserted central catheter (PICC) is crucial; malposition can lead to malfunction of the line or life-threatening events (e.g., arrhythmias, perforation). OBJECTIVE: To determine what factors other than arm position and accessed vein might influence the tip position of a PICC. MATERIALS AND METHODS: Inclusion criteria were upper limb PICC placement, body weight <20 kg, intraoperative imaging with the arm in 0°, 45° and 90° abduction and an arm view marking the skin entry site relative to the shoulder. Evaluated variables included patient demographics, and PICC and insertion site characteristics. We measured central tip movement in rib units. RESULTS: We included 112 children who received a PICC (42 girls/70 boys, mean age 31±13 months, mean weight 6.5±4.9 kg). The overall range of central tip movement was -1 to +4 rib units (mean +0.8±0.7 rib units). Silicone PICCs moved significantly less than polyurethane PICCs (P<0.05). PICCs placed in the cephalic vein moved significantly less than those placed in other veins (P<0.05). Patient demographics and PICC characteristics (size, number of lumens, left or right arm accessed, length of the line) did not influence the range of central tip movement of a PICC (P>0.05). CONCLUSION:Silicone PICCs and PICCs inserted into the cephalic vein move less than PICCs made of polyurethane and PICCs inserted into the brachial and basilic veins. These findings might assist operators in deciding which PICC to place in children in a given clinical context.
Entities:
Keywords:
Abduction; Adduction; Arm; Children; Interventional radiology; Peripherally inserted central catheter; Position
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