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    Death Rate After Hip, Knee Replacements Has Dropped

    Experts credit advances in post-surgical care for lower risk

    WebMD News from HealthDay

    By Amy Norton

    HealthDay Reporter

    THURSDAY, Jan. 9, 2014 (HealthDay News) -- The risk of death from hip- or knee-replacement surgery has dropped substantially in recent years, a large new study finds.

    Dutch researchers found that since the early 1990s, death rates have fallen by almost two-thirds among Danish adults having the procedures. The length of patients' hospital stays also dropped -- from more than two weeks, on average, to about one week.

    The study did not dig into the reasons for the improvements, but it's likely that changes in post-surgical care have had a big impact, said lead researcher Arief Lalmohamed, of the Utrecht Institute of Pharmaceutical Sciences in the Netherlands.

    Those changes, he said, include new blood-thinning medications that help prevent patients from developing potentially dangerous blood clots after surgery. Clots can, in some cases, lead to a heart attack, stroke or pulmonary embolism (a blood clot in the lungs).

    In the United States, more than 1 million people have a hip or knee replacement each year, according to the U.S. National Institutes of Health. The surgery often is prompted by severe wear and tear on the joints from arthritis.

    The findings, reported recently in the journal Arthritis & Rheumatology, are based on data from only one country. But Lalmohamed said he would expect to see a similar pattern in other countries that made the same changes in medical care over the years.

    Dr. Richard Iorio, chief of adult reconstruction at NYU Langone Medical Center in New York City, agreed that the trend would be similar in the United States.

    Iorio, who was not involved in the study, named a number of advances that have been made over the years to make joint-replacement surgery safer and better.

    Changes in the procedures and anesthesia techniques have been key, Iorio said. And patients start physical rehab much faster than they did in years past.

    "We get people out of bed and moving on the first day after -- or the day of -- surgery," Iorio said. That mobility is important, he said, because it lowers patients' risk of developing blood clots.

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