The effect of high concentration potassium permanganate on protein contamination from metallic and synthetic rubber airway equipment
Laupu, W., and Brimacombe, J. (2007) The effect of high concentration potassium permanganate on protein contamination from metallic and synthetic rubber airway equipment. Anaesthesia, 62 (8). pp. 824-826.
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We tested the hypothesis that supplementary cleaning using potassium permanganate 8 mg.l−1 eliminates protein deposits from the reusable metallic and synthetic rubber airway equipment. Twenty Macintosh laryngoscope blades (surgical steel), 20 pairs of Magill's forceps (surgical steel) and 20 Guedel airways (synthetic rubber) were allocated to two groups for supplementary cleaning. In group A, the device was immersed in potassium permanganate 8 mg.l−1. In group B (controls), the device was immersed in sterile water. The devices were then immersed in a protein staining solution, rinsed and the severity of staining was scored. In addition, the devices were inspected for tissue and then tested for occult blood. Protein contamination was lower in the potassium permanganate group for all devices (each device: p < 0.0001). There was no staining detected in the permanganate group. In the permanganate group, dried tissue was detected in the teeth of one pair of forceps, which was not detected following supplementary cleaning. Additionally, occult blood was detected on two pairs of forceps and a laryngoscope blade, which was not detected following supplementary cleaning. In the control group, no tissue was detected but one pair of forceps and two laryngoscope blades tested positive for occult blood before and after supplementary cleaning. We conclude that supplementary cleaning using potassium permanganate 8 mg.l−1 eliminates protein deposits from re-usable metallic and synthetic rubber airway equipment.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||potassium permanganate; airway equipment|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110301 Anaesthesiology @ 100%|
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920118 Surgical Methods and Procedures @ 100%|
|Deposited On:||11 Jun 2009 08:39|
|Last Modified:||18 Oct 2013 00:25|
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