our aim was to quantitatively compare the quality of chest-compression of the new two thumb chest compression (nTTT) versus the current standard techniques: two finger technique (TFT), two thumb technique (TTHT) as defined by systolic-, diastolic-, mean arterial- and pulse-pressures. Our hypothesis is that nTTT generates higher arterial blood pressures compared to the established TFT and TTHT in an infant manikin model.
To simulate the scenario of infant CPR, an ALS Baby trainer manikin (Laerdal Medical, Stavanger, Norway) simulating a 3-month-old infant. The manikin was connected with a fixed-volume arterial system attached to a monitor (Draeger Infinity® Delta; Draegerwerk AG \& Co. KGaA, Luebeck, Germany) via an arterial pressure transducer (Edward Lifesciences: TruWave Disposable Pressure Transducer; Irvine, CA, USA). The arterial circuit composed of a 50-mL bag of normal saline solution (air removed) attached to the manikin chest plate and connected to the transducer with a 20-gauge intravenous catheter and tubing. The manikin was placed on a high adjustable hospital stretcher. The bed was leveled to the iliac crest of each rescuer for standardization. The manikin was previously intubated and ventilation was performed using a resuscitator bag.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
65
2-min cycle of cardiopulmonary resuscitation accorind to the American Heart Association 2015 guidelines
Faculty of Medicine, Lazarski University
Warsaw, Masovian Voivodeship, Poland
RECRUITINGsystolic blood pressure (SBP)
The manikin was connected with a fixed-volume arterial system attached to a monitor (Draeger Infinity® Delta; Draegerwerk AG \& Co. KGaA, Luebeck, Germany) via an arterial pressure transducer (Edward Lifesciences: TruWave Disposable Pressure Transducer; Irvine, CA, USA). The arterial circuit composed of a 50-mL bag of normal saline solution (air removed) attached to the manikin chest plate and connected to the transducer with a 20-gauge intravenous catheter and tubing.
Time frame: 1 day
diastolic blood pressure (DBP)
The manikin was connected with a fixed-volume arterial system attached to a monitor (Draeger Infinity® Delta; Draegerwerk AG \& Co. KGaA, Luebeck, Germany) via an arterial pressure transducer (Edward Lifesciences: TruWave Disposable Pressure Transducer; Irvine, CA, USA). The arterial circuit composed of a 50-mL bag of normal saline solution (air removed) attached to the manikin chest plate and connected to the transducer with a 20-gauge intravenous catheter and tubing.
Time frame: 1 day
mean arterial pressure (MAP)
The manikin was connected with a fixed-volume arterial system attached to a monitor (Draeger Infinity® Delta; Draegerwerk AG \& Co. KGaA, Luebeck, Germany) via an arterial pressure transducer (Edward Lifesciences: TruWave Disposable Pressure Transducer; Irvine, CA, USA). The arterial circuit composed of a 50-mL bag of normal saline solution (air removed) attached to the manikin chest plate and connected to the transducer with a 20-gauge intravenous catheter and tubing.
Time frame: 1 day
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