The simple tool that predicts how well you’ll do after discharge from hospital

29 Apr

by Carolyn Thomas  @HeartSisters

After I was discharged from the Coronary Care Unit following my heart attack, I felt puzzled because, other than a pile of reading material about heart-healthy eating, I was pretty well booted out the door with virtually no follow-up care plan once I got home.

So when my friend Viv’s daughter Kate phoned me a few days later (Kate happens to be a cardiac nurse at CCU), I had an endless list of panicky questions for her about my surprisingly distressing ongoing chest pains along with dozens of other issues.  I was convinced that another heart attack was imminent – an extremely terrifying prospect for a freshly diagnosed heart patient. She was able to answer my questions (“Sounds like what we call stretching pain – very common!”) and reassured me that I just might make it through another day alive.

Canadian researchers in Ottawa have developed a simple tool for hospital staff to predict the probability that patients like me, discharged directly from hospital back to the community, will be readmitted – or die – within 30 days.

The study, published in the Canadian Medical Association Journal, could help identify patients who may benefit from closer monitoring and care so that serious health problems can be prevented.

The tool was developed by a group of Canadian researchers led by Dr. Carl van Walraven of the Ottawa Hospital Research Institute, the University of Ottawa and the Institute for Clinical Evaluative Sciences.

The group examined detailed medical records from 4,812 people discharged from 11 Ontario hospitals between 2002 and 2006, and found that four factors could predict the risk of re-admission or even death.   They called the tool LACE to coincide with the factors, which are:

  • Length of stay in hospital
  • Acuity of the admission (whether or not it was through the emergency department)
  • Comorbidity of the patient (a score based on what chronic diseases the patient has)
  • Emergency room utilization (number of visits in the previous six months)

So, for example, let’s say you are a person with multiple chronic disease diagnoses like diabetes, heart disease and severe asthma.  One night, you’re brought into your local hospital’s Emergency Department by ambulance with unusual chest pressure and extreme weakness – your third ambulance ride to Emergency in as many months. You undergo a number of tests this time, but are discharged within a day or two.

Each of these four LACE factors is assigned a number of points based on its value. When these points are added together, they form your total LACE score.With a possible LACE score of 19 points (the highest), medical staff now know that you have a 44% chance of either re-admission to hospital or death.

Researchers found that people with a score of zero had only a 2% risk of re-admission or death.

The researchers obtained similar results when testing the LACE tool using records from 1 million Ontario hospital patients discharged between 2004 and 2008.

“Our hospitals provide exceptional care, but many patients still face serious health challenges in the weeks following a hospital discharge,” said Dr. van Walraven. “This research is an important step towards identifying those who are most at risk, so that we can address their health problems earlier and prevent serious complications.”

This study is part of a larger program that is using Ontario health records to find novel ways to improve health.

Find out more about the LACE study from the Ottawa Hospital Research Institute.

See also:

Q: have you ever been discharged from hospital without a follow-up plan?


4 Responses to “The simple tool that predicts how well you’ll do after discharge from hospital”

  1. Dr. Stephen Parker April 30, 2010 at 11:25 pm #

    Yes, I too was surprised at how quickly I was discharged from the hospital with very little information and absolutely no follow up.

    You would think that making a 30 minute DVD would not be that difficult, nor would a once a week telephone call. The LACE criteria don’t seem to take into account any psychological factors — yet the presence of a major depression after a heart attack is a major risk factor for dying within the year.

    I think once again the cardiology profession is focusing on physical rather than emotional, psychological, or spiritual elements.

    • Carolyn Thomas May 1, 2010 at 7:23 am #

      I agree, Steve. Neither do the LACE criteria factor in one’s home situation at all: are you living on your own? do you have family and friends close by to help you during the early weeks post-discharge? what kind of social supports do you have? what about work or financial pressures?

      But at least the four LACE factors are steps in the right direction.

    • Sandy May 1, 2010 at 4:01 pm #

      The emotional and psychological issues have been big for me. I don’t feel that I’m depressed, but I am definitely sad. I guess knowing that my heart now has been damaged is the major reason why I feel this way.

      Sometimes I wonder if the doctors see so many heart attacks that they just don’t think about what it really does to us. I am in Cardiac Rehab and that has helped with getting my strength back, but they are not addressing the emotional part we go through at all.

      Perhaps they think we should seek help on our own. I see my cardiologist this week and I am going to ask him why this is overlooked.

  2. Sandy April 29, 2010 at 5:53 am #

    Very interesting. I guess if they would have used the “LACE” with me they would have known they would be seeing me again in two weeks after being discharged with a heart attack. I will say that my doctor wanted me to stay a few days longer but I was feeling good and wanted to get home to my children. Maybe next time it would be best for “me” to listen to the doctor.

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