The operative mortality rate for certain high-risk cardiac procedures has decreased, but it has not changed much for other cardiovascular or cancer-related surgeries, and has even increased for at least one type of oncologic procedure, researchers report.
“Despite the common belief among many patients and providers, high-risk surgery is not necessarily becoming safer over time,” study author Dr. John D. Birkmeyer, from Dartmouth-Hitchcock Medical Center in Lebanon, New Hampshire, and colleagues note.





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