Good outcomes are good for every body.
From CEAs to aortobifems and brachial artery embolectomies, the INVOS® Cerebral/Somatic Oximeter is making a big difference in the vascular sector by providing real time perfusion information. Any vascular surgery or procedure that may place the brain and body at risk of dysoxygenation is just cause to use the INVOS® System.
More than 600 clinical studies show that using the INVOS® System as an adjunct monitor of cerebral and somatic perfusion can decrease the incidence of regional ischemia and tissue damage that can occur before, during and after surgery.
Download materials:
Carotid Endarterectomy Flyer
INVOS® System Adult Brochure
Vascular Surgery and the INVOS® System - a Trend Worth Watching
The advantage of having site-specific oxygenation data as opposed to relying on indirect, systemic measures is appreciated by the following case graphs. The INVOS® System's tremendous value is not only in showing a patient's real-time, site-specific brain and body oxygenation data, but in showing their immediate responses to your interventions.
Carotid Endartectomy (CEA): Effects on rSO2 and the Need for Shunting
After eight years of shunting every CEA procedure, the surgeon in this case decided not to shunt for the first time as adjunct cerebral oximetry data was included in the decision-making for this patient. After clamping the left internal carotid artery (ICA), rSO2 values decreased by 3-4%, and within two minutes rose to above pre-clamp levels. The INVOS® System's real time data on cerebral oxygen saturation, along with a stable systolic blood pressure, was sufficient clinical evidence for the surgeon to decide not to shunt.
Endovascular Repair of Aortic Aneurysm
In this case, bilateral lower extremity monitoring with the INVOS® System revealed unexpected unilateral desaturations in the right leg after sheath placement. This prompted the surgeon to suspect acute thrombus formation. The vessel was clamped and exploration revealed a fresh thrombus below the sheath. An embolectomy was performed and when the clamp was removed, right leg extremity perfusion returned to baseline. When the left common femoral artery was clamped, there was a progressive desaturation in the left leg extremity, due to the expected but relatively short ischemic time. Note the brisk return of perfusion and hyperemic response after release of the left common femoral clamp.
Get a Leg Up on Compartment Syndrome Ischemia
Monitoring for compartment syndrome ischemia entails placing sensors on the right and left leg, lateral to the tibia; over the anterior compartment, and two additional sensors medial to the tibia; more posterior.
While some oxygenation problems are immediately obvious, many others like compartment syndrome can quietly build over time, increasing the patient's risk for potential damage with each ischemic minute that passes. Using the INVOS® System to monitor oxygen changes in extremities will help you avoid perfusion-related morbidities, such as compartment syndrome which can be a significant complication and delay to the patient's recovery.
Early detection of ischemic or low flow states is the best medicine to preventing or reducing compartment syndrome ischemia and its potentially devastating effects.
Improve Your Performance with Cerebral/Somatic Monitoring
- Receive indication of need for and efficacy of shunts
- See whether your repair was successful before leaving the OR
- Guard against lower extremity ischemia or other complications in the ICU
- Use two or four-channel monitoring to help you better identify and manage oxygenation imbalances in distinct brain and body areas
- Benefit from real-time data that is site-specific, unlike systemic vitals
- Obtain additional objective data for clinical decision making
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