The Hyperlink Between Hen Consumption and Urinary Tract Infections


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Solely about one in 4 individuals have heard of Campylobacter, in comparison with 90 p.c who’re accustomed to Salmonella. “Though the incidence of those two…gastrointestinal infections is amazingly excessive,” infecting greater than one million People yearly, “it’s even outranked by the incidence of an infection attributable to extraintestinal pathogenic Escherichia coli (ExPEC)”—a bug even fewer individuals have possible heard of.

Extraintestinal? Which means outdoors of the intestines, as in inflicting bladder infections, and pathogenic, that means disease-causing. Certainly, E. coli outcomes in tens of millions of infections yearly. As I talk about in my video Friday Favorites: Urinary Tract Infections from Consuming Hen, “a number of traces of proof point out poultry as a significant meals animal reservoir for urinary tract infections”—that’s, a supply for the micro organism that trigger UTIs in individuals. (You might recall I explored this a number of years in the past, as mentioned in my video Avoiding Hen to Keep away from Bladder Infections.) That is based mostly not solely on research exhibiting that blood infections, mind infections, and urinary tract infections in mouse fashions could be attributable to these sorts of E. coli from industrial hen meat and eggs, but additionally on research of girls with multidrug-resistant urinary tract infections reporting considerably extra frequent consumption of retail hen. Equally, aged customers of hen had been considerably extra more likely to have Cipro-resistant bladder infections in comparison with these consuming no hen in any respect. Pork, however not beef, was additionally related to elevated threat, as you’ll be able to see beneath and at 1:14 in my video.

“There have been few noticed associations between beef cattle or retail beef and human ExPEC, suggesting that beef cattle will not be a reservoir for human ExPEC” (bladder infections), whereas, in chickens, of the as much as 90 p.c of hen carcasses harboring E. coli, about one in 5 isolates examined had the potential to trigger urinary tract infections.

What about eggs? We all know retail hen meat “is contaminated with ExPEC isolates that resemble the strains that trigger human infections,” however what about retail hen eggs? As a substitute of 1 in 5 being ExPEC in hen meat, it was extra like simply 1 in 20 amongst eggs, which is nearer to ranges for pork or beef.

Researchers are so positive that hen is the first reservoir that once they discover the identical form of pressure in a vegetarian, they interpret that “as in step with human-to-human transmission or errors in reporting of poultry consumption somewhat than human strains being derived from a supply aside from hen.” Somebody might declare to be vegetarian however truly eat some hen, for example, or maybe there was human-to-human and even shopping-cart-to-human transmission. (See my How you can Store for, Deal with, and Retailer Hen video.) Most individuals fail to sanitize their arms after selecting up a bundle of poultry within the grocery retailer, so the “micro organism doubtlessly left on the cart might have an effect on different customers….A client who isn’t buying poultry, or is buying poultry and is following security precautions, might nonetheless be uncovered to poultry contaminates by way of the cart.”

“It’s troublesome to estimate how a lot ExPEC alternate could be attributed to person-to-person contact” after the rectum of a poultry shopper has been colonized. Researchers swabbed public restrooms to attempt to quantify the chance, amassing greater than a thousand samples from 56 public restrooms in 33 institutions. As you’ll be able to see within the graph beneath and at 3:07 in my video, they discovered plenty of proof of E. coli usually, however significantly in restrooms at public parks and fast-food joints—much more so than fuel stations, which shocked me. What was actually surprising for me, although, was that girls’s restrooms had been worse than males’s!

Solely about 1 p.c of the samples the researchers took had been optimistic for ExPEC micro organism, nonetheless, however they had been recovered from websites that weren’t related to bathrooms and weren’t visibly contaminated. So, one may come into contact with ExPEC micro organism with their naked arms after turning off a faucet after washing their arms, for instance. On this manner, the chance “couldn’t be totally eradicated by cautious hand washing or avoidance of fecal-appearing particles”—although it’s most likely a good suggestion to keep away from that anyway. Utilizing hand sanitizers after exiting the restroom, to not point out within the meat aisle after touching a bundle of poultry, might provide further safety.

What quantity of the seven million bladder infections—a standard type of urinary tract an infection (UTI)—yearly in the US is prompted by hen meat? “If no extra hen had been consumed, what number of E. coli UTIs can be prevented and the way a lot would the prevalence decline?” It’s laborious to inform due to the “time lag between the acquisition and asymptomatic colonization of the gut with an ExPEC organism and the event of an an infection.” You possibly can eat some contaminated hen at present, however the UTI-causing ExPEC micro organism might hand around in your colon for months earlier than making their manner into your bladder and triggering an an infection. The explanation we all know it could actually take that lengthy is by learning the intestinal inhabitants dynamics of UTI-causing E. coli between companions. Elevated rectum-to-rectum transfers “may be defined by the excessive ranges of E. coli current within the urine of an contaminated girl, rising the chance of transmission by way of direct contact.” That’s, the E. coli might then be transferred to their companions, relying on sure intimate practices, comparable to cunnilingus.

The underside line? There’s “compelling proof that retail meat, significantly poultry, serves as an essential reservoir for human publicity to antibiotic-resistant E. coli that’s inflicting UTIs. Thus, the time period foodborne UTIs or FUTIs has been adopted to explain these infections.”

Definitely, we might lower the burden of those foodborne bladder infections by creating some type of ExPEC vaccine, however why not simply cut back our contact with recent or frozen poultry? No hurt, no fowl.

Maintain on. Who eats undercooked hen? Usually, it’s an issue of cross-contamination, as I talk about in Meals Poisoning Micro organism Cross-Contamination.

Nowadays, there may be explicit concern about antibiotic-resistant infections. See Previous the Age of Miracles: Dealing with a Submit-Antibiotic Age and Friday Favorites: What About Kosher and Natural Hen? to be taught extra about bacterial contamination.

Would shopping for natural be higher? See my video Superbugs in Typical vs. Natural Hen.

What about treating UTIs? Take a look at Can Cranberry Juice Deal with Bladder Infections?.


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