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Is Inadequate Follow Up Related to Early Hospital Readmissions In Patients with CHF ?

Is Inadequate Follow Up Related to Early Hospital Readmissions In Patients with CHF ?

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Is Inadequate Follow Up Related to Early Hospital Readmissions In Patients with CHF ?

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  1. Is Inadequate Follow Up Related to Early Hospital Readmissions In Patients with CHF ? MudasirChisti PGYIII AravindHerle MD

  2. Rationale & Background • Heart Failure is the most common Medicare diagnosis related group . • Patients with CHF are frequently readmitted to the hospital following exacerbation of their symptoms. • The 3-6 month readmission rates have been reported to be as high as 30-50%.

  3. Rationale & Background • One-fifth of Medicare beneficiaries are rehospitalizedwithin 30 days. • Nearly 90% of these readmissions are unplanned and potentially preventable. • Translates into $17 billion or nearly 20% of Medicare’s hospital payments.

  4. Medicare contemplates profiling hospitals based on readmision rates with complimentary changes in payment rates. • Hospitals with high risk-adjusted rates of rehospitalizationto receive lower average per case payments. • Identifying factors associated with readmissions is therefore important.

  5. Studies suggest that care coordination is important in preventing readmissions. • Early physician follow up post discharge may have potential to reduce readmissions. • Data on follow up patterns following hospitalisation for CHF & its relationship to readmissions is limited.

  6. STUDY: Primary Objective: • To determine if lack of early Follow Up is associated with 30 Day Readmissions in CHF patients. Secondary Objectives: • To determine readmission rates for CHF. • To identify other risk factors for 30 day readmissions.

  7. Study Design: • Case Control Study based on Retrospective Chart review. • Single centre based in SBMH. • Proper IRB approval obtained for chart review and phone survey • 5 month period Nov 2010 through March 2011.

  8. Inclusion Criteria : • Primary discharge diagnosis of CHF exacerbation on index admission. • Cases: CHF patients readmitted within 30 days of discharge for all causes • Controls: CHF patients not readmitted within 30 days of discharge. • Early Follow Up defined as F/U occuring <=7 days following discharge from the hospital.

  9. Exclusion criteria: • Death during or following index admission • Discharge to hospice after index admission • Missing clinical data • Lack of follow up data

  10. Total Charts Reviewed =255 • CHF charts= 226 • Non CHF charts =29 • CHF Charts Excluded: 21 (met exclusion criteria) Hospice =15 Expired =2 AMA= 1 Missing data =3 • CHF charts included =205

  11. CHF Charts analysed=205 • 30 day Readmissions/Cases= 52 • No 30 day Readmission/Controls=153 • 30 day Readmission Rate=52/226 or 23% • Clinical data was available and compared for 205 patients • Follow up data was available and compared for 180 patients including patients discharged to Rehab

  12. Analysis of Clinical Data Variables compared • Demogaphic: Age,race & sex. • Heart Failure Variables: LVEF, prior CHF ,LOS • Treatment Variables: Cardiology consultation ,Meds at discharge • Comorbidities • Lab variables: BNP,Na,K,BUN,Cr • Discharge Planning Variables : CHF Teaching, DC instructions, Instructions on follow up, appointment scheduled before discharge or not. • Disposition : Discharge to Rehab/NH or home.

  13. Variables compared using Fischer’s Exact test • Significance defined as p-value< 0.05

  14. Demographic Variables

  15. Comments Statistically significant differences were noted in the clinical variables between the two groups including : • Greater percentage of readmitted patients had CKD -69.23 % compared to 37.25% among patients not readmitted . • Lesser percentage of readmitted patients had been discharged on ACE/ARB -40.38% compared 64.7% among those not readmitted . • Greater percentage of readmitted patients had been discharged to Rehab upon index admission -42.3% vs 18.3%

  16. Reasons for Readmission:

  17. Follow Up Data Analysis: • Data obatined via phone survey • Available on 180 patients : 130 as outpatient physician follow up 50 Reahab/NH patients – follow up counted as occuring within 1 week of discharge from hospital. • Analysis done both including as well as excluding data on Rahab/NH patients.

  18. Follow Up Data Excluding Rehab Patients N=130

  19. Follow Up Data Excluding Rehab Patients

  20. F/U Interval >7 d was associated with higher Readmision Rate 24.47% vs 19.4% but the difference was not statistically significant. • F/U interval 8-14 days had highest readmission rates 25% but again not statistically significant.

  21. Follow Up Data Including Rehab Patients N=180

  22. Follow Up Data Including Rehab Patients N=180

  23. Comments • F/U Interval <7d was associated with higher Readmission Rates 33.72% vs 24.47% when Rehab/NH patients were included,but it was not statistically significant.

  24. Conclusions • Recurrent CHF is a major reason for early readmissions. • Among patients discharged home , lack of F/U within 7 days was not significantly associated with readmissions in our study population. • Study identifies high risk groups particularly patients requiring Rehab upon discharge. Further studies need focus on this group to elucidate this relationship and explore interventions that may reduces such readmissions.

  25. Statistically significant association also between presence of CKD , lack of ACE/ARB upon discharge from hospital . • Improving adherence to ACE/ARB may prove helpful.

  26. Limitations • Retrospective study design. • Single centre. • Relatively smaller sample size for follow up data. • Potential Recall Bias in follow up data. • Confounders

  27. Questions?