IBP Monitoring
15-20
15.6.4 Application of ICT/B
NOTE
z ICT/B transducer must be used under supervision of qualified physician.
The ICT/B is intended for the measurement of epidural pressures. It can measure
positive pressures only. Thus, it is not recommended to measure intraventricular
pressures. The ICT/B may be applied using a variety of surgical techniques.
Therefore, surgeons are advised to choose the best way according to their knowledge
and experience.
îš„ Method 1
The ICT/B can be inserted during surgery through a burr hole. The pressure sensor
of the transducer should be placed facing the dura and under the cranium. The
transducer is marked by 2.5cm scale on its back. Thus the scale is visible if the
sensor is placed correctly. The placement site should be away from any craniotomy
flap. A contralateral burr hole is recommended.
Figure 15-15 Application of ICT/B
To protect the catheter, use thick sutures and put tape around the catheter before suturing.
Remove all bone chips. Use bone wax.
Use of a tunnel is recommended. A
large bore catheter can be inserted
beforehand to guide the sensor tip.
Remove the bore catheter from the burr
hole after the ICT/B has been inserted.
Note that smooth edges help to
prevent from damage to the
catheter.
Strip the dura at least 2cm under the inner table
of the skull. Strip in an arc of at least 180°.
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