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  3. There is nothing more possible than a new hip or knee that can put the spring back in your step. Patients receiving joint implan

There is nothing more possible than a new hip or knee that can put the spring back in your step. Patients receiving joint implan

admin2022-04-28  6
问题     There is nothing more possible than a new hip or knee that can put the spring back in your step. Patients receiving joint implants(移植)often are able to resume many of the physical activities they love，even those as vigorous as tennis and hiking. No wonder，then，that joint replacement is growing in popularity.
   In the United States in ，surgeons performed about 806，000 hip and knee implants (the joints most commonly replaced)，double the number performed a decade earlier. Though these procedures have become routine，they are not failure free.
   Implants must sometimes be replaced，said Dr. Henrik Malchau, an or thopaedic surgeon (矫形外科医生) at Massachusetts General Hospital in Boston. A study published in found that 7 percent of hips implanted in Medicare patients had to be replaced within seven and a half years.
   The percentage may sound low，but the finding suggests that thousands of hip patients eventually require a second operation，said Dr. Malchau. Those patients must endure additional recoveries，often painful，and increased medical expenses.
   The failure rate should be lower，many experts-agree. Sweden，for instance，has a failure rate estimated to be a third of that in the United States. Sweden also has a national joint replacement registry，a database of information from which surgeons can learn how and why certain procedures go wrong. A registry also helps surgeons learn quickly whether a specific type of implant is particularly problematic. "Every country that has developed a registry has been able to reduce failure rates Significantly," said Dr. Daniel Berry，chief of orthopaedic surgery at the Mayo Clinic in Rochester，Minn.
   A newly formed American Joint Replacement Registry will begin gathering data from hospitals in the next 12 to 18 months. It’s good news for those who are considering replacing a knee or hip.
People who need a new knee or hip would possibly feel_____. about data gathering in the U. S.
选项 A、indifferent
B、assured
C、puzzled
D、hopeful
答案D
解析 推理判断题。由最后一段可知，对需要进行移植手术人来说，信息数据库建立是一种好消息，使她们看到了但愿。D符合题意，故选D。
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