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Warning on harmful breathing machines

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A nationwide alert has been issued to hospitals after a series of incidents involving artificial breathing machines that have harmed patients.

The country’s medical devices watchdog warned about dangers arising from faulty or wrongly used anaesthetic breathing systems - used to keep patients alive during major operations.

In a medical devices alert, the Medicines and Healthcare Products Regulatory Agency (MHRA) said it “continues” to receive reports of patient harm because of the problems. These happen on average “less than five times” a year, a spokesman said.

“We are not aware of any device-related deaths in the past five years,” the watchdog added.

Overall, about 250 incidents are reported involving anaesthetic machines each year, the MHRA said, “usually related to the way the equipment is used rather than a fault in the device itself”.

In one case an anaesthetic breathing system was wrongly connected to the gas outlet of an anaesthetic machine.

When the patient started showing signs of distress, doctors wrongly interpreted it as bronchospasm, or tightening of the airways, and administered drugs.

By the time they realised there was a problem with the equipment, the patient suffered a collapsed lung but survived thanks to the prompt action of the surgeons.

In its alert, the MHRA warned: “Whilst such equipment issues are uncommon, they should be considered as a matter of course when problems with patient ventilation occur.”

An estimated 3.5 million operations a year are carried out under anaesthetic.

When patients are unconscious during major operations, anaesthetists take over the management of their breathing using breathing or ventilation machines.

Andrew Hartle, chairman of the Association of Anaesthetists’ safety committee, said the death rate from anaesthetics is less than one in 100,000.

“If you are giving 3.5 million anaesthetics a year, problems are rare but can still happen,” he told The Independent.

“We are aware of some instances involving life-threatening emergencies where if the advice had been followed earlier, they might have been averted.

“In most cases the anaesthetist felt the problem was with the patient when it was actually with the anaesthetic machine.”

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Readers' comments (1)

  • As a newly qualified rgn this article makes me realise how important it is to check all equiptment before using at all times. as all equiptment is only man made and needs to be carefully checked over.

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