The phrase "repeat operation" is correct and usable in written English.
You can use "repeat operation" when referring to the repetition of a specific course of action. For example, "I had to repeat the operation until I got it right."
Previous smaller studies have found repeat operation rates of 30 percent to 60 percent.
DePuy recalled the ASR XL Acetabular hip system last August, after researchers found 13 percent of patients needed a repeat operation to fix problems with the implant.
Dr. McCahill said that such high repeat operation rates did not occur in other types of cancer surgery, in part because surgeons are not trying to spare tissue for cosmetic reasons as they are in lumpectomy.
Patients are told not to cross their legs or bend at the hip more than 90 degrees after surgery — in some cases indefinitely, because these motions can cause dislocation of the replaced joint that requires a repeat operation.
The risk of failure is low, but women, who make up the majority of Americans who have such operations, were 29 percent more likely than men to need a repeat operation within three years: 2.3 percent of women compared with 1.9 percent of men.
Further results suggest that a repeat operation is less likely in older women and women from more deprived areas.
Doctors cautioned that it would be a mistake to look for surgeons with a low rate of repeat operations.
Complications like frequent vomiting were also common, and many patients needed repeat operations to repair the first one or just reverse it.
He said eight of the victims at the hospital were in critical condition, and that a number of patients will require repeat operations in the days to come.
The repeat operations are feeding the nation's overall Caesarean rate of 31.8 percent, which has been rising steadily for the last 11 years.
There were no deaths in the two studies, but there were complications, including infection, nutritional deficiencies, bone loss and surgical problems that required repeat operations.
