J Korean Med Sci.  2013 Feb;28(2):315-319. 10.3346/jkms.2013.28.2.315.

Use of Backboard and Deflation Improve Quality of Chest Compression When Cardiopulmonary Resuscitation Is Performed on a Typical Air Inflated Mattress Configuration

• Oh J
• Kang H
• Chee Y
• Lim T
• Song Y
• Cho Y
• Je S

• KMID: 1429212
• DOI: http://doi.org/10.3346/jkms.2013.28.2.315

Abstract

No study has examined the effectiveness of backboards and air deflation for achieving adequate chest compression (CC) depth on air mattresses with the typical configurations seen in intensive care units. To determine this efficacy, we measured mattress compression depth (MCD, mm) on these surfaces using dual accelerometers. Eight cardiopulmonary resuscitation providers performed CCs on manikins lying on 4 different surfaces using a visual feedback system. The surfaces were as follows: A, a bed frame; B, a deflated air mattress placed on top of a foam mattress laid on a bed frame; C, a typical air mattress configuration with an inflated air mattress placed on a foam mattress laid on a bed frame; and D, C with a backboard. Deflation of the air mattress decreased MCD significantly (B; 14.74 +/- 1.36 vs C; 30.16 +/- 3.96, P < 0.001). The use of a backboard also decreased MCD (C; 30.16 +/- 3.96 vs D; 25.46 +/- 2.89, P = 0.002). However, deflation of the air mattress decreased MCD more than use of a backboard (B; 14.74 +/- 1.36 vs D; 25.46 +/- 2.89, P = 0.002). The use of a both a backboard and a deflated air mattress in this configuration reduces MCD and thus helps achieve accurate CC depth during cardiopulmonary resuscitation.

Keyword

Backboard; Beds; Cardiopulmonary Resuscitation; Mattresses

MeSH Terms

Beds
Cardiopulmonary Resuscitation/*instrumentation/methods
*Compressive Strength
Equipment Design
Heart Massage/*instrumentation/methods
Humans
Intensive Care Units
Manikins
Prospective Studies

Figure

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  Fig. 1 Typical configuration involving an inflated air mattress. In clinical settings, inflated air mattresses are typically placed a foam mattress laid on a bed frame.

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  Fig. 2 Configuration of the experimental setup. The 4 different surface configurations used to test chest compression depth in this study were as follows: A: a bed frame without a mattress. [⑦], B: a deflated air mattress placed on top of a foam mattress laid on a bed frame, [⑤ (deflated) + ⑥ + ⑦], C: an inflated air mattress placed on top of a foam mattress laid on a bed frame [⑤ (inflated) + ⑥ + ⑦], D: C with a backboard inserted between the manikin and the inflated air mattress [④ + ⑤ (inflated) + ⑥ + ⑦]. CCD was obtained by subtracting MCD from TCD. CCD, sternal-spinal chest compression depth; TCD, total compression depth; MCD, mattress compression depth.

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