Inappropriate Antibiotic Prescribing in U.S. Seniors, Black Patients Reaches Alarming Levels

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The majority of antibiotic prescriptions for U.S. seniors and Black and Hispanic Americans are inappropriate, a new report reveals.

For the study, researchers analyzed federal government data on more than 7 billion outpatient visits to doctors’ offices, hospital clinics and emergency departments nationwide between 2009 and 2016.

Nearly 8 million visits (11%) led to antibiotic prescriptions, the researchers reported Thursday at a meeting of the European Congress of Clinical Microbiology & Infectious Diseases in Lisbon, Portugal. Research presented at meetings should be considered preliminary until published in a peer-reviewed journal.

“Our results suggest that Black and Hispanic patients may not be properly treated and are receiving antibiotic prescriptions even when not indicated,” said study leader Dr. Eric Young, of the University of Texas Health Science Center in San Antonio.

“We know that physicians typically send patients home with antibiotics if they suspect their symptoms may lead to an infection,” Young explained in a meeting news release. “This practice becomes more common when patients are unlikely to return for a follow-up visit (i.e., no established care within a clinic or hospital system), which more frequently happens in minority populations.”

Antibiotic prescribing rates were highest in Black and Hispanic patients (122 and 139 prescriptions per 1,000 visits, respectively), the study found. They were also high in patients under age 18 and females (114 and 170 prescriptions per 1,000 visits, respectively).

In all, 64% of antibiotic prescriptions for Black patients, 58% of those for Hispanic patients, 74% of those for people aged 65 and older, and 58% of those for males were inappropriate, the researchers reported.

Inappropriate prescriptions were most often written for conditions not caused by a bacterial infection, such as non-bacterial skin conditions, viral respiratory tract infections and bronchitis, the study found.

The findings raise questions about the effectiveness of efforts to reduce inappropriate antibiotic prescribing and underscore the need to redouble efforts to cut down on that in primary care, the study authors said.

“In older adults, inappropriate prescribing in primary care is associated with a wide range of adverse outcomes, including emergency hospital attendances and admissions, adverse drug events and poorer quality of life,” Young said. “Our results underscore that strategies to reduce inappropriate prescribing must be tailored for outpatient settings.”

Overuse of antibiotics has led to resistant bacteria that are becoming more difficult, and sometimes impossible, to treat.

Antibiotic use is far higher in the United States than in many other countries, despite efforts to reduce inappropriate prescribing. Outpatient prescribing accounts for up to 90% of antibiotic use in the United States, and nearly 202 million courses of antibiotics were dispensed to outpatients in 2020, according to the U.S. Centers for Disease Control and Prevention.

More information

There’s more on antibiotics at the American Academy of Family Physicians.

SOURCE: European Congress of Clinical Microbiology & Infectious Diseases, news release, April 20, 2022

Source: HealthDay

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