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Diagram for insertion of the needle.
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The patient was evaluated and signed the informed consent to undergo a single needle entry combined approach of continuous peripheral blocks (Figure 1).
The spread of contrast in combined continuous femoral and sciatic nerve block.. Notes: 1 is the spread of contrast in the continuous femoral nerve block; 2 is the spread of contrast in the continuous sciatic nerve block.
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Approximately 5 mL of contrast (iohexol with 300 mg mL-1 Ominipaque ) was injected in each catheter to study the dispersion of the local anesthetic, and an anteroposterior X-ray was taken within 1 minute (Figure 2).