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Deltex Medical Terminus Road Chichester West Sussex PO19 8TX www.deltexmedical.com
Phone: +44(0)1243 774837 Fax: +44(0)1243 532534 Customer Service: 0845 085 0001
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The Oesophageal Doppler Guidelines
The CardioQTM/CardioQ-ODMTM, when used for Individualised Doppler Guided Fluid
Figure 1 The CardioQ
Figure 2 The CardioQ-ODM
Figure 3 Oesophageal Doppler Probe Placement
Oral Placement
Nasal Placement
Guidelines for using the CardioQ and CardioQ-ODM in the Operating Theatre Department
Management (iDGFM) for patients undergoing surgery, has been shown to improve patient
outcomes and reduce hos pit al stay. Ple ase r efer to the bibliography at www.deltexmedical.com.
The CardioQ/CardioQ-ODM (figures 1 & 2), produces real time information about cardiac
function and fluid status. Oesophageal Doppler Probes (ODP), Doppler Probes (DPn) and
Instant Intervention Probes (I
n) are inserted into the patient’s oesophagus to
2
approximately T5/T6, where the oesophagus & descending aorta lie within 1 cm of each
other (figure 3). Information regarding blood flow in the descending aorta is reflected back
to the CardioQ/CardioQ-ODM. DPn and ODP are used for sedated or anaesthetised
patients. The I
n probe can be used in not only sedated and anaesthetised patients, but
2
also in awake patients.
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Guidelines for using the CardioQ and CardioQ-ODM in the Operating Theatre Department
Insertion and Use of Oesophageal Doppler Probes
Use and Indications
1.
Elective surgery for moderate and major risk patients;
2.
Emergency surgery;
3.
For peri-operative iDGFM, by monitoring Stroke Volume/Stroke Distance responses to
colloid challenges:
a
For use in patients with a significant change in circulatory status;
b
To assess cardiac output and effectiveness of treatment in the patient with a failing
heart and to aid titration of vasoactive drugs.
Contraindications
Doppler probes (ODP, DPn and I2n) should not be placed in patients under
16 years of age. A dedicated paediatric probe and monitor are available separately.
Do not use where nasal injuries are apparent or may have occurred.
Do not use where nasal polyps exist.
Do not use where there are circumstances of facial trauma.
Do not use where there is a risk of brain injury.
Do not use in patients undergoing intra-aortic balloon pumping.
Do not use with carcinoma of the pharynx, larynx or oesophagus.
Do not use with aneurysms of the thoracic aorta.
Do not use with tissue necrosis of the oesophagus or nasal passage.
Do use in close proximity to laser surgery.
For detailed precautions and warnings on probe usage, refer to the individual probe
packaging for instructions for use.
Special Considerati ons
Base of skull fractures;
Careful insertion in the patient with head injury;
Moderate to severe coagulopathies.
NB Please refer to Operating Handbook for full list of precautions, warnings and
contraindications.
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