The CardioPump® permits the rescuer to actively re-expand the chest during the decompression phase of cardiopulmonary resuscitation (CPR). Active compression
decompression CPR (ACD CPR) enhances the intrathoracic vacuum (negative pressure) during chest wall recoil, resulting in more blood being returned to the heart (preload). Enhanced preload leads to increased cardiac output on the subsequent chest compression.

The design of the device allows the rescuer to use the same position and compression technique as for standard CPR. The suction cup sticks to the chest and transfers a lifting
force to the thorax. Active chest decompression is obtained simply when the operator swings their body weight upwards
after each compression while holding on to the CardioPump’s handle. Chest compression is accomplished in the same manner as for standard manual CPR by pushing down on the
CardioPump.

When ACD CPR is performed in conjunction with the ResQPOD Impedance Threshold Device (ITD), hemodynamics are further improved.

Technical Specifications

Dimensions
Suction cup: 135 mm OD
Handle: 143 x 108 mm
Weight: 0.58 kg (1.24 lbs)

Gauge range:
Compression: 0-50 kg (0-110 lbs)
Decompression: 0-15 kg (0-33 lbs)
Accuracy: ± 10% of reading
Operating temperature range: -20° C to 50° C
Storage temperature range: -40° C to 70° C

Metronome Function
Signal pitches: 768 and 3070 Hz
Sound level: 65 dB at 0.5 m from the sound source
Signal rate: 80 signals per minute
Battery life: Approx. 250 service hours
Battery shelf life: Approx. 10 years

Materials
Suction cup: Silicone rubber
Handle: Polyamide (nylon), glass fiber reinforced
Metal parts: Stainless steel, brass
The CardioPump does not contain latex.



CardioPump®
Active Compression Decompression (ACD) CPR

ACD CPR is recommended in the American
Hearth Association Guidelines as an alternative
to conventional standard manual CPR.

In-hospital and out-of-hospital studies* have shown that performing ACD CPR:

  • Increases arterial blood pressure

  • Increases coronary perfusion pressure

  • Lowers intrathoracic pressure during the decompression phase of CPR

  • Increases short-term and long-term survival
    rates

CardioPump Components:

Suction Cup – provides the suction necessary to actively lift the chest during decompression. A compression pad located inside helps cushion the surface between the chest and the device.
Handle – transfers force from the rescuer to the victim through the piston
Force Gauge – guides both compression and decompression forces
Metronome – guides proper compression/ decompression rate and duty cycle


Survival to 24 Hours - Wolcke et al Circulation 2003

References for ACD CPR:
1. Shultz JJ, et al. Evaluation of standard and ACD CPR in an acute human model of ventricular fibrillation. Circulation 1994; 89:684-94.
2. Lurie KG, et al. Evaluation of ACD CPR in victims of out-of-hospital cardiac arrest. JAMA 1994; 271:1405-11.
3. Plaisance P, et al. A comparison of standard CPR and ACD resuscitation for out-of-hospital cardiac arrest. NEJM 1999;341:569-75.
4. Plaisance P, et al. Benefit of ACD CPR as a prehospital advanced life support. A randomized multi-center study. Circulation 1997;95(4):955-61.
5. Mauer DK, et al. Effect of ACD CPR on survival: a combined analysis using individual patient data. Resuscitation 1999;41:249-56.
ACD CPR with an impedance threshold device (ITD) (e.g. ResQPOD®):
6. Wolcke BB, et al. Comparison of standard CPR versus the combination of ACD CPR and an ITD for out-of-hospital cardiac arrest. Circulation 2003;108(18):2201-5.
7. Plaisance P, et al. Inspiratory impedance during ACD CPR: a randomized evaluation in patients in cardiac arrest. Circulation 2000;101(9):989-94.
8. Plaisance P, et al. Evaluation of an ITD in patients receiving ACD CPR for out of hospital cardiac arrest. Resuscitation 2004;61(3):265-71.
9. Plaisance P, et al. Use of an inspiratory ITD on a facemask and ET tube to reduce intrathoracic pressures during the decompression phase of ACD
www.advancedcirculatory.com CPR. Crit Care Med 2005;33(5):990-4.

 

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