resistant


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Related to resistant: resistant hypertension, Resistant starch

resistant

[rizis′tənt]
pertaining to the ability of a microorganism to remain unaffected by an antimicrobial agent.

resistant

(rē-zĭs′tĭnt, rĭ-) [L. resistere, to stand back, to withstand]
A lack of response to, or of influence by, a pathogen, toxin, treatment, or other stressor.
References in periodicals archive ?
In contrast to the treated fabrics, inherently flame resistant fabrics consist of FR fibers and yarn.
There are often cases in breast cancer where a patient will end up resistant to a specific drug," Parissenti explains.
A recent outbreak of resistant urinary-tract infections also was traced to overuse of antibiotics in meat, Mellon says.
With one in five UTIs resistant to Bactrim, it will be harder for doctors to use it as a frontline drug.
For children, the risk of a raging infection resistant to first-line drugs is greater than in adults.
Stricter regulations also try to curb the spread of superbugs in hospitals, where most outbreaks of resistant bacteria occur.
Moreover, conventional products were up to 460 times more likely to carry resistant strains than their antibiotic-free counterparts.
And most of the press ignored the fact, brought out at a press conference at ICAAC, that many of the patients found to have resistant virus started antiretrovirals years ago with inadequate regimens, and added new drugs one at a time as they became available in the 1990s -- conditions that facilitate resistance development.
Without competition from their more susceptible relatives, the numbers of resistant bacteria grow, increasing the potential for human infections that do not respond to conventional treatment.
The more we use antibiotics--to treat humans and to promote growth in animals on factory farms--the more bacteria become resistant to those antibiotics.
One study found the prevalence of salmonella typhimurium food poisioning infections resistant to antibiotics soared from 1 percent in 1979 to 34 percent in 1996.
The facility should also have a policy on drug- resistant bacteria that details how to deal with colonized or infected residents, including admissions policies, isolation and surveillance.