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The Cutting Edge

Frequent Use of Post-acute Care Associated with Higher Readmission

  Frequent Use of Post-acute Care Associated with Higher Readmission
 

This graph shows the variation in hospital utilization of post-acute care after inpatient surgery.
Graphic: Courtesy of Dr. Greg Sacks

To ensure that they receive proper care after surgery, patients are frequently referred by hospitals to inpatient facilities such as skilled-nursing homes or inpatient rehabilitation centers or to receive home healthcare and other outpatient services. This type of care, called post-acute care, now accounts for some $62 billion in annual Medicare spending.

Yet spending on post-acute care varies widely across different parts of the U.S., suggesting that medical centers in some areas may be using these services too infrequently and others may be using them more than necessary. A recent report by the Institute of Medicine found that the primary driver of regional variations in Medicare spending is the differences in the costs of post-acute care. But little has been known about why those variations occur.

A new study by UCLA researchers finds that some hospitals refer fewer than 3 percent of their patients to inpatient facilities while others refer up to 40 percent. Similarly, some hospitals prescribe home healthcare for just 3 percent of patients; others refer as many as 58 percent of patients — a finding that prompted the researchers to investigate whether or not the wide variation correlated with differences in the overall quality of care delivered by the hospitals.

They found no association between how often hospitals used post-acute care and the number of recorded postoperative deaths or complications. But the study did discover a relationship between “indirect” measures of hospital quality — metrics like length of stay and readmission rates — and use of post-acute care. Specifically, hospitals that tend to refer patients to inpatient facilities more often also tend to have shorter lengths of stay and higher readmission rates.

“These findings suggest that some hospitals may be using post-acute care as a substitute for inpatient care,” says Greg Sacks, MD, a resident in general surgery at UCLA and a Robert Wood Johnson/Veterans Affairs Clinical Scholar. “This might lead to patients being discharged from the hospital prematurely, which then results in higher readmission rates.”

Dr. Sacks says surgeons and hospitals have virtually no guidelines to help them determine the best post-acute-care services for their patients — and that better recommendations could help reduce some of the variation in how the services are used and the costs associated with them.

The researchers analyzed data for 112,620 patients treated at 217 hospitals in 39 states. They drew information from a national surgery registry and Medicare claims, as well as from American Hospital Association annual surveys from 2005 through 2008. They calculated the correlation between post-acute-care usage rates and hospital quality measures such as mortality rates, complications, readmissions and lengths of stay.

In addition, hospitals that referred patients to inpatient facilities most often were likelier to readmit patients within 30 days (24.1 percent) versus those who referred patients to inpatient facilities least often (21.2 percent). The study did not find a similar correlation between referrals to home healthcare and hospital readmission. The paper suggests that healthcare-payment policies that create financial incentives for hospitals to discharge patients prematurely could be driving hospitals’ post-acute-care decisions.

“Variation in Hospital Use of Post-acute Care after Surgery and the Association with Care Quality,” Medical Care, February 2016


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Spring 2016

Spring 2016
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IN THIS ISSUE
  • The Year that Was
  • A Joyful Return for Las Mariítas
  • A Better Stem Cell for Regenerative Medicine
  • Our Ancestors Probably Didn’t Get Eight Hours of Sleep a Night, Either
  • Progress toward Healing Scarred Hearts
  • BMI a Poor Measure of Health
  • Untapped Brain-cell Region Offers Goldmine of Drug Targets for Autism Treatments
  • Electric Patch Holds Promise for Treating PTS
  • New Strategy to Fight Ovarian Cancer
  • Frequent Use of Post-acute Care Associated with Higher Readmission
  • BPA Replacement in Plastic Accelerates Embryonic Development, Disrupts Reproductive System
  • Happy Feet, Happy Hearts
  • Healing the Invisible Wounds
  • Listen to the Voices Within
  • Rx for the Future
  • A Long and Winding Road
  • Honors & Awards
  • In Memoriam
  • A Late-in-Life Gift of Song
  • Reflections: Volunteering at the Venice Family Clinic
  • In Her Own Words: Blanca Samira Campos, MD (RES ’11)
  • Postcard from Guatemala
  • Celebrating the Generous Philanthropy of Wendy and Leonard Goldberg
  • Former UCLA Physician Establishes Neuroscience Chairs
  • Leaders of Tomorrow Scholars Dinner Honors Medical Students
  • Patient Center Named for Performers Lawrence and Gormé
  • World Presidents Organization Experiences UCLA Health for a Day
  • Advancing Research on Women’s Health
  • “Let’s Talk” Series Addresses Women’s Heart Disease
  • Holiday Spirit at Mattel Children’s Hospital UCLA
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