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. 2020 Sep 2;8(9):e17770.
doi: 10.2196/17770.

A Smartphone App to Manage Cirrhotic Ascites Among Outpatients: Feasibility Study

Patricia Bloom  1 , Thomas Wang  2 , Madeline Marx  1 , Michelle Tagerman  2 , Bradley Green  1 , Ashwini Arvind  1 , Jasmine Ha  1 , Judith Bloom  1 , James M Richter  1
Affiliations

A Smartphone App to Manage Cirrhotic Ascites Among Outpatients: Feasibility Study

Patricia Bloom et al. JMIR Med Inform. .

Abstract

Background: Ascites is a common, painful, and serious complication of cirrhosis. Body weight is a reliable proxy for ascites volume; therefore, daily weight monitoring is recommended to optimize ascites management.

Objective: This study aims to evaluate the feasibility of a smartphone app in facilitating outpatient ascites management.

Methods: In this feasibility study, patients with cirrhotic ascites requiring active management were identified in both inpatient and outpatient settings. Patients were provided with a Bluetooth-connected scale, which transmitted weight data to a smartphone app and then via the internet to an electronic medical record (EMR). Weights were monitored every weekday. In the event of a weight change of ≥5 lbs in 1 week, patients were called and administered a short symptom questionnaire, and providers received an email alert. The primary outcomes of this study were the percentage of enrolled days during which weight data were successfully transmitted to an EMR and the percentage of weight alerts that prompted responses by the provider.

Results: In this study, 25 patients were enrolled: 12 (48%) were male, and the mean age was 58 (SD 13; range 35-81) years. A total of 18 (72%) inpatients were enrolled. Weight data were successfully transmitted to an EMR during 71.2% (697/979) of the study enrollment days, with technology issues reported on 16.5% (162/979) of the days. Of a total of 79 weight change alerts fired, 41 (52%) were triggered by weight loss and 38 (48%) were by weight gain. Providers responded in some fashion to 66 (84%) of the weight alerts and intervened in response to 45 (57%) of the alerts, for example, by contacting the patient, scheduling clinic or paracentesis appointments, modifying the diuretic dose, or requesting a laboratory workup. Providers responded equally to weight increase and decrease alerts (P=.87). The staff called patients a mean of 3.7 (SD 3.5) times per patient, and the number of phone calls correlated with technology issues (r=0.60; P=.002). A total of 60% (15/25) of the patients chose to extend their participation beyond 30 days. A total of 17 patient readmissions occurred during the study period, with only 4 (24%) related to ascites.

Conclusions: We demonstrated the feasibility of a smartphone app to facilitate the management of ascites and reported excellent rates of patient and provider engagement. This innovation could enable early therapeutic intervention, thereby decreasing the burden of morbidity and mortality among patients with cirrhosis.

Keywords: ascites; health care delivery; health care innovation; mobile phone; technology; telemedicine.

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Conflict of interest statement

Conflicts of Interest: None declared.

Figures

Figure 1
Figure 1
Flow of weight information. Weight data are collected from the Bluetooth-connected scale, transmitted via a Bluetooth connection to the PGHDConnect app, and then via the internet to the electronic medical record.
Figure 2
Figure 2
Patient screening flowchart.
Figure 3
Figure 3
Provider response by weight alert type (P=.87).
Figure 4
Figure 4
Calls and alert responsiveness during enrollment.
See this image and copyright information in PMC

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