Medical and legal experts estimate the hip failures may cost taxpayers, insurers, employers and others billions of dollars in coming years, contributing to the soaring cost of health care. The financial fallout is expected to be unusually large and complex because the episode involves a class of products, not a single device or just one company.
The case of Thomas Dougherty represents one particularly costly example. He spent five months this year without a left hip, largely stuck on a recliner watching his medical bills soar.
In August, Mr. Dougherty underwent an operation to replace a failed artificial hip, but his pelvis fractured soon afterward. The replacement hip was abandoned and then a serious infection set in. Some of the bills: $400,776 in charges related to hospitalizations, and $28,081 in doctors’ bills.
“I’m sitting here on a La-Z-Boy meant for someone who is 80 and I’m 55,” said Mr. Dougherty, who lives in Groveland, Ill., and works at Caterpillar, the heavy equipment manufacturer. His bills are “five times as much” as he paid for his home.
The so-called metal-on-metal hips like Mr. Dougherty’s, ones in which a device’s ball and joint are made of metal, are failing at high rates within a few years instead of lasting 15 years or more, as artificial joints normally do. The wear of metal parts against each other is generating debris that is damaging tissue and, in some cases, crippling patients.
The incidents have set off a financial scramble. Recently, lawsuits and complaints against makers of all-metal replacement hips passed the 5,000 mark. Insurers are alerting patients that they plan to recover their expenses from any settlement money that patients receive. Medicare is also expected to try to recover its costs.
While his insurer has covered his bills so far, Mr. Dougherty said he was preparing to sue his surgeon, who may have implanted the device incorrectly, and Johnson Johnson, which produced his artificial hip, to help recoup some of the insurer’s money.
“All these payers want to be paid back,” said Matt Garretson, the founding partner of the Garretson Resolution Group, a firm in Cincinnati that manages product liability cases.
Until a recent sharp decline, all-metal implants accounted for nearly one-third of the estimated 250,000 hip replacements performed each year in the United States. Some 500,000 patients have received an all-metal replacement hip, according to one estimate. A new study found that no new artificial hip or knee introduced during a recent five-year period — implants that included some of the all-metal hips — were more durable than older devices, and 30 percent were worse.
One troubled all-metal model, implanted in 40,000 patients in the United States, was recalled last year by the DePuy division of Johnson Johnson. As of October, some 3,500 patients had filed a lawsuit involving that device.
There is no data on the number of all-metal hips that have failed prematurely in this country because the outcomes of orthopedic procedures are not formally tracked by the government or private companies.
But extrapolating from overseas data and the estimate of metal hip use here, tens of thousands of patients in the United States may have to undergo operations over the next decade to replace the implants, said Dr. Art Sedrakyan, a researcher at Weill Cornell Medical College of Cornell University, who is studying the hip problem.
A decade ago, Sulzer Orthopedics paid a record $1 billion to settle claims by 6,800 patients who received artificial hips and knees that were contaminated with industrial oil during the manufacturing process. “We have been dwarfed by this,” said Teresa Ford, a lawyer who worked at Sulzer at the time and is now in private practice.
Device producers have taken differing stances to covering patient expenses. Zimmer Holdings, which says its all-metal implants are safe, has settled hundreds of patient claims, lawyers involved in those cases say. Also, DePuy is covering costs related to the device it recalled last year, the A.S.R., or Articular Surface Replacement.
DePuy would not comment on how much it had paid in recall-related costs. But a spokeswoman, Mindy Tinsley, said in a statement that DePuy was working with patients and insurers.
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