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Conference Abstracts

Effectiveness of telehealth for heart failure management in routine practice

Authors:

I Sokoreli ,

D De Massari,

S C Pauws,

J M Riistama,

J J G de Vries,

E W Steyerberg,

A Crundall-Goode,

K M Goode,

R Dierckx,

J G Cleland,

A L Clark

Abstract

Purpose: To assess the effect of routine use of home telemonitoring on the risk of re-admission to hospital amongst patients with heart failure.

Context: Heart failure is a common reason for hospitalizations, which often recur. Telemonitoring might detect early decompensation allowing intervention to prevent re-admission. A systematic review concluded that telehealth reduced heart failure related hospitalizations by almost 30 % [1]. In Europe, the use of telehealth has primarily been limited to studies, pilots and small programs; it has not yet become routine in clinical practice. Accordingly, we assessed the effects of a telemonitoring service on unplanned re-admissions to hospital at 90 days and one year.

Methods: OPERA-HF is an ongoing prospective observational study, enrolling patients hospitalized with worsening heart failure to the Hull & East Yorkshire Hospitals NHS Trust, UK. All patients enrolled in the study are followed subsequent to discharge. The primary outcome for this analysis was unplanned all-cause readmission. Patients were referred to telehealth by the hospital discharge team if aged >18 years and registered with a Hull-based primary care physician. To remove imbalances in baseline characteristics between patients on telehealth and those not, propensity matching was used to estimate effectiveness. A logistic regression model was used to determine the propensity score (probability of being selected for telehealth) for each patient. The calculated propensity scores were applied to a weighted logistic regression to account for selection assignment differences between patients on telehealth and on standard care. Propensity scores were calculated by controlling for age, number of severe comorbidities, New York Heart Association (NYHA) class at admission, emergency heart failure hospitalizations in prior 6 months, total daily pill count, heart rate and NT-proBNP at discharge.

Results and discussion: Of 546 patients enrolled, 89 received telehealth. Table 1 shows their baseline characteristics. Patients selected for telehealth had fewer unplanned readmissions at both 90 days (OR: 0.66; 95% CI: 0.45 to 0.97; P < 0.05) and one year (OR: 0.68; 95% CI: 0.46 to 0.99; P < 0.05) than those who were not. In a routine care setting, patients with heart failure receiving telehealth after discharge have fewer unplanned readmissions compared with those without telehealth.

Characteristic

w/o Telehealth (N=457)  

with Telehealth (N=89)

All (N= 546)

 

Valid N

Summary

Valid N

Summary

Valid N

Summary

Age, year

457

77 [68 – 83]

89

73 [66 – 80]

546

76 [68 – 82]

Number of severe comorbidities, sum

457

1 [1 -2]

89

2 [1 -2]

546

1 [1 - 2]

More than one unplanned HF hospitalizations in prior 6 months, yes

457

70 (15%)

89

14 (16%)

546

84 (15%)

Total daily pill count at discharge, sum

386

11 [9 -16]

84

13 [9 -16]

470

12 [9 - 16]

NYHA at admission: Class I/II, yes

NYHA at admission: Class III, yes

NYHA at admission: Class IV, yes

307

40 (13%)

199 (65%)

68 (22%)

80

7 (9%)

52 (65%)

21 (26%)

387

47 (12%)

251 (65%)

89 (23%)

Heart Rate at discharge, bpm

283

75 [66 – 89]

68

75 [68 – 82]

351

75 [67 – 88]

NT-proBNP at discharge, pg/mL

340

4828[1972-    10710]

67

5097 [2930 -  8714]

407

4891 [2112 -  10500 ]

90 day unplanned readmission, yes

457

151 (33%)

89

25 (28%)

546

176 (32%)

1 year unplanned readmission, yes

396

221 (56%)

78

41 (53%)

474

262 (55%)

Table 1 Baseline characteristics stratified by being on Tele health or not. Characteristics are summarized by their count and fraction (N (%)) for categorical or their median and interquartile range (Median [25th – 75th]) for continuous variables, respectively

 

References:

[1] Inglis SC, Clark RA, Dierckx R, Prieto-Merino D, Cleland JGFet al., 2015, Structured telephone support or non-invasive telemonitoring for patients with heart failure, COCHRANE DATABASE OF SYSTEMATIC REVIEWS, ISSN: 1469-493X 

How to Cite: Sokoreli I, De Massari D, Pauws SC, Riistama JM, de Vries JJG, Steyerberg EW, et al.. Effectiveness of telehealth for heart failure management in routine practice. International Journal of Integrated Care. 2016;16(5):S39. DOI: http://doi.org/10.5334/ijic.2588
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Published on 09 Nov 2016.

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