Note that the article is from 2012, with some level of update in 2014.

It would be interesting to see whether these findings led to any improvements, although there's a good chance that many of the same individual pieces of equipment are still in use. In also curious whether some of the changes in Medicare reimbursement rates for return visits made any difference since they were targeted specifically at unplanned returns and complications (Modifier 78, https://www.emblemhealth.com/Providers/Claims-Corner/Coding/...).