Krishnegowda et al reported a formula for the optimum insertion of an umbilical venous catheter. The authors are from the JSS (Jagadguru Sri Shivarathreeshwara) Medical College Hospital and University in India.
Patient selection: newborn
Optimal insertion for umbilical venous catheter: tip just above the diaphragm (T9-T10)
Parameters:
(1) patient weight in kilograms
Patient Weight
Insertion in cm
>= 1 kg
(weight) + 6.5
0.75 to 0.99 kg
6.5
0.5 to 0.749 kg
6.0
Unacceptable position:
(1) tip in portal vein
(2) below T10
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