Scrubbing Homes Of Allergens May Tame Asthma And Its Costs

By Douglas Birch
Kaiser Health News

WWR Article Summary (tl;dr) Elizabeth Matsui, a physician and a professor at Johns Hopkins medical school in Baltimore shares her thoughts on the critical importance of reducing allergy levels in the home.

Kaiser Health News

After years of studying the causes of asthma, a pediatrician-turned-public health sleuth thinks there’s a way to substantially reduce its impact.

But the approach faces a big hurdle: getting someone to pay for it, said Elizabeth Matsui, a physician and a professor at Johns Hopkins medical school in Baltimore.

Matsui, who had asthma as a child, has spent much of her career studying the link between poor housing and asthma in low-income neighborhoods. In particular, she’s looked at the effects of mouse allergens, typically found in high concentrations in urban homes.

Matsui cited a 2004 study in the New England Journal of Medicine that described measures to reduce home allergen levels and concluded that they were linked to reductions in asthma symptoms.

That research “was highly successful and impactful,” but the approach wasn’t widely adopted, Matsui said.

“So here we have this trial that was published more than 10 years ago that shows (indoor allergen control) works,” said Matsui, who did not participate in the study. “But the families who need it most can’t afford to do these things, don’t have control oftentimes over their home environment, and insurance or other payers don’t cover these things.”

Matsui has proposed incentives for hospitals to provide home intervention, including Medicaid waivers. But, she said, scientists can’t use research money for those programs. “Delivery of community health care programs would require a different type of funding.”

As a result, doctors and scientists doubted that a plan to control home allergens would scale up, and insurers questioned whether benefits to their bottom line would justify the added cost.

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