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J Clin Monit Comput · Aug 2009
Yet another cause for blocked sidestream capnogram--beware of the non-threaded cap mount in heat and moisture exchangers.
- Goneppanavar Umesh, Kaur Jasvinder, and Nanda Shetty.
- Department of Anaesthesiology, Kasturba Medical College, Karnataka, India. drumeshg@yahoo.co.in
- J Clin Monit Comput. 2009 Aug 1; 23 (4): 207-8.
AbstractHeat and moisture exchangers (HME) are commonly used during general anaesthesia and intensive care of patients on mechanical ventilators. Some of the HME manufacturers provide HMEs with a Luer lock fitting for connecting side stream CO(2) monitoring line, Luer lock cap, and a non-threaded cap mount. However, HMEs from different manufacturers and HMEs meant for use in children and for adults from the same manufacturer vary in the presence/absence of non-threaded cap mount. This can create confusion to the clinicians and can result in inadvertent connection of the CO(2) monitoring line to the non-threaded cap mount resulting in blocked CO(2) monitoring line and leak in the circuit. We caution all the anaesthesiologists and intensivists regarding this possibility while using HMEs from different manufacturers.
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