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Impact evaluation of the creation of Local Health Units on the readmission of patients with chronic conditions
1. Impact evaluation of the creation of Local
Health Units on the readmission of patients with
chronic conditions
Óscar Brito Fernandes1, Rui Santana1,2, Sílvia Lopes1,2
1 Escola Nacional de Saúde Pública | 2 Centro de Investigação em Saúde Pública
Management and Efficiency of Healthcare Organizations
Workshop NOVAhealth
2016.04.27
4. Ageing populations(1,2), prevalence of multiple chronic conditions(2) and
the increasing pressure of burden of disease challenge nowadays
healthcare systems(3,4) and the way healthcare delivery is designed(5).
Integrated care is an organizational principle for care delivery(6) as a
managerial response to differentiation and fragmentation(7).
Integrated care is a way of assuming that there are modifiable factors
driving readmissions that could be targeted at a hospital-level to reduce
them(8).
Readmission is a subsequent inpatient admission to any acute care facility
which occurs within 30 days of the discharge date of an eligible index
admission(9).
Excessive unplanned readmission rates among hospitals could be a sign of
frail integrated care(8).
OVERVIEW 4
5. Chronic conditions(10) includes health conditions that persist across time
and require healthcare, including non-communicable diseases, mental
disorders, some communicable conditions and on-going physical
impairments.
Individuals with chronic conditions are more likely to experience hospital
readmission since they are more vulnerable to non-effective home
transitions after hospital discharge(11).
The focus of many integrated care approached seems to have in common
the support to individuals with chronic conditions to live more
independently(12,13), with improvements to the patients’ care experience
and health outcomes.
OVERVIEW 5
7. Compare 30-day readmission rates in patients with chronic conditions in
Local Health Units and other hospitals.
Assess the relationship of gender, age group, chronic conditions,
Elixhauser comorbidity index and institution type to time to readmission.
AIMS 7
9. Outcome research
Observational, analytical, longitudinal, and retrospective cohort study
Datasets were provided by ACSS, Portuguese Central Administration for
Health Care System.
Data refers to Portugal mainland hospital morbidity from 2002 to 2014,
including the period before and after creation of seven LHU.
Statistic analysis:
Generalized linear mixed models at the speciality cohort (AHRQ)
(covariates age, discharge condition, comorbidities)
Cox regression
(covariates gender, age group, chronic conditions, comorbidities and hospital of treatment)
Difference in differences
RESEARCH DESIGN 9
10. RESEARCH DESIGN 10
9 523 432 1 679 634
Treatment
n=845 275
Selected index admissions Treatment – Control sample
Control
n=834 359
Treatment group Control group
Included 7 LHU 6 hospitals
Selection criteria
Data available from pre- and post-
integration periods
(observation period: 8 years, 5 years
pre-integration, 3 post-integration)
- Be part of the same ACSS hospital
benchmark group as LHU
- Excluded hospitals with different
contexts (e.g., public-private
ventures)
18. Age increase risk of readmission (85+ 74% more at risk than 0-19)
Chronic conditions increase risk of readmission (from 28% to 37%)
Increased comorbidites present higher risk of readmission
LHU episodes present 12% less of a risk of readmission than control group
Adjusted-readmission rates: LHU have lower rates for patients with
chronic conditions
Decreased risk of readmission for 4 LHU ( 2 of them significant)
Most LHU showed a decreasing risk of readmission after integration
RESULTS 18
MAIN FINDINGS
20. DISCUSSION 20
Despite efforts for a better integrated care, LHU risk of
readmission do not follow a clear pattern for all. Other
studies found similar results over health outcomes(14,15).
Evidence of different barriers for integrated care for each organization (e.g.,
higher number of primary care physicians associated with increase of
readmissions(16,17))
There are vary interventions addressed to reduce hospital readmission with
different potential of effectiveness(18): e.g., case management(19), referral
networks(20), or follow-up after discharge(21-23)
21. DISCUSSION 21
Chronic condition 5+ group is the one with decreased risk of
readmission compared to the reference group, in the
multivariate Cox regression .
Univariate model shows increased risk of readmission along chronic condition
groups, similar to other studies(24).
Possible evidence of better coordinated care for these patients?
Adjusting readmission rates by chronic conditions, LHU
present lower readmission rates for chronic patients.
Readmission rates reflect not only the quality of hospital care(25-27) but also
factors in patient’s homes and communities(28-30).
23. CONCLUSIONS 23
There’s a research gap over integrated care and integration in Portugal.
People with multiple chronic conditions are a growing sector of the
population(31) and attention should be given to younger age groups(13).
Vertical integration in Portugal presents some evidence of reducing 30-day
readmissions for patients with chronic conditions, but it’s not consistent.
Portugal needs to evolve towards a more integrated approach of
healthcare, increasing and deepening relations among levels of care(32).
24. REFERENCES
24
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26. Impact evaluation of the creation of Local Health Units on the readmission of
patients with chronic conditions
Óscar Brito Fernandes1, Rui Santana1,2, Sílvia Lopes1,2
1 Escola Nacional de Saúde Pública | 2 Centro de Investigação em Saúde Pública
o.fernandes@ensp.unl.pt
Management and Efficiency of Healthcare Organizations
Workshop NOVAhealth
2016.04.27
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