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			 "The use of volatile substances in everyday household products has a 
			very low prevalence in the general population, but most abusers 
			belong to a group of people we should give extra attention to as a 
			society: youngsters in puberty from troubled households," said the 
			study's lead author, Dr. Kelvin Harvey Kramp of the Maasstad 
			Hospital in Rotterdam. "Medical personnel unfamiliar with inhalant 
			abuse can be confronted with their dramatic consequences, such as 
			cardiac arrest." 
 In the U.S., inhalant abuse accounts for as many as 100 to 200 
			deaths each year, according to the National Institute on Drug Abuse. 
			Cardiac arrests after inhalant abuse are common enough that they've 
			been given a name: "sudden sniffing death."
 
 Inhalant abusers use one of three methods to ingest the volatile 
			substances that will give them a brief high: direct inhalation, 
			known as sniffing; inhaling through a piece of cloth, known as 
			huffing; and bagging, which involves breathing the substance in 
			through a plastic bag or balloon.
 
			
			 
			
 Hydrocarbons, which are used in aerosol-spray household products, 
			are what cause the short-lived high. These substances easily 
			dissolve in fat, "and therefore easily cross the lung-blood and 
			brain-blood barriers and dissolve into tissues with high fat 
			content, such as the nervous system," Kramp explained.
 
 Once they cross the blood-brain barrier, "they disrupt normal brain 
			processes," said Dr. Michael Lynch, medical director of the 
			Pittsburgh Poison Center at the University of Pittsburgh Medical 
			Center in Pennsylvania, who was not involved in the case report.
 
 "People feel a high and may pass out," Lynch said. "They may feel 
			agitated, happy or silly. The effect usually lasts a few minutes. 
			Then people will do it again or move on with their day."
 
 Cardiac arrest can occur because inhaled propellants "sensitize your 
			heart," Lynch said. "They make your heart respond to adrenaline much 
			more readily so people can get cardiac arrests when they become 
			agitated or surprised."
 
 The teen described by Kramp and his colleagues was being treated in 
			a drug rehab facility for ketamine and cannabis abuse. In an attempt 
			to get high, he put a towel over his head and inhaled the spray from 
			a deodorant can.
 
 He quickly became agitated and hyperactive and then suffered a 
			cardiac arrest. Basic life support by nurses onsite and six rounds 
			of defibrillation (shocking the heart) by paramedics finally revived 
			him. In the hospital, was admitted to intensive care and put into a 
			medically induced coma.
 
			
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			While his heart activity appeared to return to normal, his brain 
			activity never did, the doctors report. For nine days, abnormal 
			brain readings and visible jerking indicated continuing epileptic 
			seizures. 
			When his condition didn't improve with treatments, and it became 
			clear that no further intervention would help, doctors disconnected 
			the teen from life support.
 Ultimately, Kramp explained, what killed the teen was "the time the 
			brain went without oxygen during the cardiac arrest. That led to 
			irreparable brain damage. After the brain damage the patient did not 
			have enough brain function to sustain life."
 
 While the Dutch authors suggest that inhalant abuse is confined to 
			troubled kids, Dr. Andrew Stolbach believes that in the U.S., it's 
			much more widespread. "I think the number of people who either sniff 
			or huff or bag is probably higher than we think," said Stolbach, a 
			medical toxicologist and emergency physician at the Johns Hopkins 
			Hospital in Baltimore, Maryland. "I would bet a lot of kids are 
			doing it who don't have access to other drugs."
 
			With that said, "not a lot of people die from it," Stolbach noted. 
			"It's not on the scale of opioids or alcohol. But it does happen. I 
			learned about it when I was training as a medical toxicologist. You 
			don't see a lot of it in hospitals, but it seems reasonably 
			prevalent. I grew up in the suburbs and lots of kids would do this. 
			But the true number is unknown. To kids it seems like harmless fun 
			because it involves something they are familiar with and they tend 
			to think of things that are around us - everyday products we see in 
			the garage or the bathroom - as safe." 
			
			 
			The new article should also serve as a reminder of the importance of 
			cardiopulmonary resuscitation (CPR), Stolbach said. "If you 
			encounter someone without a pulse, the faster you start CPR, the 
			better chance that person has of living," he said.
 SOURCE: https://bit.ly/Tm4RMr BMJ Case Reports, online November 15, 
			2018.
 
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