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Original Paper
Use of Telehealth for Domiciliary Follow-up After Hematopoietic
Cell Transplantation During the COVID-19 Pandemic:Prospective
Pilot Study
Alberto Mussetti1,2, MD; Maria Queralt Salas1,2, MD; Maria Condom1,2, MD; Maite Antonio2,3, MD; Cristian Ochoa2,4,5,
DPhil; Iulia Ivan1,2, MD; David Jimenez Ruiz-De la Torre1,2, MD; Gabriela Sanz Linares1,2, MD; Belen Ansoleaga1,2,
MD; Beatriz Patiño-Gutierrez1, RN; Laura Jimenez-Prat1, RN; Rocio Parody1,2, MD; Ana Sureda-Balari1,2, MD
1Clinical Hematology Department, Institut Català d'Oncologia-Hospitalet, L'Hospitalet de Llobregat, Barcelona, Spain
2Institut d'Investigació Biomèdica de Bellvitge, Barcelona, Spain
3Oncohematogeriatrics Unit, Institut Català d'Oncologia-Hospitalet, Barcelona, Spain
4Psycho-Oncology Unit, Institut Català d’Oncologia, ICOnnecta’t Health Program, Hospital Duran i Reynals, L’Hospitalet de Llobregat, Barcelona,
Spain
5Clinical Psychology and Psychobiology Department, Faculty of Psychology, University of Barcelona, Barcelona, Spain
Corresponding Author:
Alberto Mussetti, MD
Clinical Hematology Department
Institut Català d'Oncologia-Hospitalet
Hospital Duran i Reynals
Avinguda de la Gran Via de l'Hospitalet, 199-203
L'Hospitalet de Llobregat, Barcelona, 08908
Spain
Phone: 34 622188475
Email: amussetti@iconcologia.net
Abstract
Background: Patients who have recently received a hematopoietic cell transplant (HCT) are at higher risk of acute complications
in the first weeks after discharge, especially during the COVID-19 pandemic.
Objective: The aim of this study was to test the use of a telehealth platform for the follow-up of HCT patients during the first
two weeks after discharge.
Methods: In total, 21 patients who received autologous or allogeneic HCT for hematological malignancies were screened from
April 30, 2020, to July 15, 2020. The telehealth platform assisted in the daily collection of vital signs as well as physical and
psychological symptoms for two weeks after hospital discharge. The required medical devices (oximeter and blood pressure
monitor) were given to patients and a dedicated smartphone app was developed to collect this data. The data were reviewed daily
through web-based software by a hematologist specializing in HCT.
Results: Only 12 of 21 patients were able to join and complete the study. Technological barriers were the most frequent limiting
factor in this study. Among the 12 patients who completed the study, adherence to data reporting was high. The patients’experience
of using such a system was considered good. In two cases, the system enabled the early recognition of acute complications.
Conclusions: This pilot study showed that telehealth systems can be applied in the early posttransplant setting, with evident
advantages for physicians and patients for both medical and psychological aspects. Technological issues still represent a challenge
for the applicability of such a system, especially for older adult patients. Easier-to-use technologies could help to expand the use
of telehealth systems in this setting in the future.
(JMIR Form Res 2021;5(3):e26121) doi: 10.2196/26121
KEYWORDS
SARS-CoV-2; COVID-19; hematology; hematopoietic cell transplantation; telemedicine; mortality; surveillance; monitoring;
stem cell; transplant; app; medical device
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Introduction
Patients receiving a hematopoietic cell transplant (HCT) have
a high risk of developing severe acute toxicities in the early
posttransplant period. An increased mortality risk has been
observed in HCT patients who go on to develop COVID-19,
with an estimated mortality rate between 20%-40% [1,2].
Although other hematological procedures can be postponed in
case of emergency, there is an international agreement to not
defer transplant procedures, especially for rapidly progressing
diseases such as acute leukemias and aggressive lymphomas.
Due to this, it is necessary to improve the domiciliary clinical
monitoring of patients who received transplants to rapidly detect
clinical deterioration. In addition, unnecessary in-person visits
that might increase the risk of intrahospital contagion should
be reduced. During the last few years, smart devices for
assessing vital signs or physical activity have emerged as
breakthrough innovations in the oncological setting [3-5]. Digital
technologies allow clinicians to perform real-time monitoring
of a patient’s clinical status. In patients with COVID-19, the
use of devices such as digital oximeters allow for early detection
of clinical deterioration and a safer domiciliary follow-up. This
is of paramount importance for patients who have received
transplants, who have higher COVID-19–related mortality than
the general population.
Methods
The aim of this study (SMARTCOVID19 study) is to report the
feasibility of a real-time patient monitoring system through the
use of a smartphone app and mobile health care devices. The
institutional review board of Institut Catalá d'Oncologia -
Hospitalet approved the study. Inclusion criteria were the
following: those aged >18 years who had received autologous
or allogeneic HCT while hospitalized and have a smartphone
with an operating system able to run the SMARTCOVID19
app. Those who did not have adequate social support were
excluded from the study.
Patient education regarding the use of the platform was provided
by a hematologist at the time of enrollment, which was 1-2 days
before hospital discharge.
Vital signs (heart rate, oxygen saturation, and arterial blood
pressure) were collected daily using clinically validated
oximeters (Onyx II, Nonin Inc) and a blood pressure monitor
(iHealth Track, iHealth Labs), while temperature was measured
using domiciliary thermometers. Patients were educated on how
to measure their respiratory frequency. A checklist of clinical
symptoms was completed daily (presence of cough, myalgia,
headache, fatigue, dyspnea, emesis, odynophagia, rhinitis,
conjunctivitis, and chest pain). An analog visual scale
“thermometer” (0-10) used to detect potential cases of anxiety
or depressive disorders was completed by patients daily. Scores
of >6 resulted in an automatic referral to a psycho-oncologist
through the platform, who would contact the patient and evaluate
whether psychological support was needed via videoconference.
A chat service was available for nonurgent communications.
All data were reported to an online platform through a
smartphone app (“Saludencasa,” Fundación Trilema) compatible
with Apple (iOS Version 9 or higher) and Android systems
(Version 6 or higher). A hematologist with experience with
HCTs reviewed all patient data daily. Programmed alarms were
set in the event of any of the following situations: fever >38 C,
oxygen saturation <92%, tachycardia >125 beats per minute,
hypotension (systolic blood pressure <90 mm Hg, diastolic
blood pressure <60 mm Hg), altered mental status, and persistent
emesis or diarrhea (lasting more than 48 hours). In case of alarm
activation, the hematologist contacted the patient by phone to
evaluate the need for an in-person visit and determine the
clinical management steps that were considered most
appropriate. Outpatient monitoring started from the day of
hospital discharge 2 days and continued for 14 days. The study
accrual period was April 30, 2020, to July 15, 2020. Data were
collected prospectively and all patients signed informed consent
forms. Finally, two weeks after the end of the recruitment period,
patients were contacted by phone and asked to answer a
satisfaction questionnaire.
Results
During the study period, 16 of 21 patients who received
transplants were successfully recruited into the study (76%
feasibility). Reasons for patients not being enrolled were the
following: language incompatibility (1 patient), no consent (1
patient), and no compatible smartphone (3 patients). Of the 16
enrolled patients, the median age was 50 years (range 22-70
years), 38% (n=6) were female, and 94% (n=15) had lymphatic
diseases. In addition, 38% (n=6) of HCTs were autologous and
62% (n=19) were allogeneic.
Of the 16 enrolled patients, 4 were not able to use the app due
to an inability to use smartphone apps in general. Of the
remaining 12 patients, average adherence to reporting study
data (median number of days reported across all patients during
the planned 14-day study period) was as follows: 89% for
temperature, 90% for oxygen saturation, 70% for respiratory
frequency, 85% for cardiac frequency, 89% for blood pressure,
65% for symptoms reporting, and 71% for emotional distress.
Automatic alarms were activated only 3 times: twice for the
presence of clinical symptoms and once for emotional distress.
Only one patient spoke with the psycho-oncologist via
videoconference. In total, 4 patients used the chat service to
communicate with hospital personnel.
Despite the feasibility nature of the study, data collected with
the digital system helped the clinician to recognize calcineurin
inhibitor–induced arterial hypertension in one patient and acute
cutaneous graft-versus-host disease (grade I) in another patient.
Only two patients in this cohort were readmitted within 14 days
of discharge, both due to grade 4 odynophagia related to herpes
simplex virus 1/2 reactivation.
The patients’ responses to the survey questions about their
experience with the telehealth system are reported in Table 1.
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Table 1. Patients’ responses to survey questions about their experience with the telehealth system (n=12).
Mean score (scored from 1-5, where 1=disagree
and 5=agree)
Question
4.67Overall satisfaction with the telehealth system
4.67Did you feel safer at home with the use of the telehealth system?
4.67Do you think that using such a device has improved your domiciliary follow-up?
4.50Was the app easy to use?
3.50When you feel well, would you be comfortable substituting in-person visits with telemedicine?
Discussion
Our prospective study showed that the use of mobile health care
devices and smartphone apps for self-reported outcomes is
feasible in the post-HCT setting. In a study conducted by Nawas
et al [6], it was found that telehealth evaluations could be useful
in the early peritransplant period, with a high satisfaction rate
among patients. In our study, we found that patients felt safer
when using the telehealth system. However, only a few patients
would completely substitute an in-person visit with telehealth
monitoring. This suggests that an in-person visit with a medical
doctor is still the preferred follow-up modality for patients who
have received transplants. Apart from vital signs monitoring
and blood test results, which could be evaluated without the
patient present, other aspects of medical care cannot be replaced
by telehealth. Human contact and empathy are still largely
needed during a visit. With respect to feasibility and adherence,
two observations emerged from our study. The first is that only
57% of the potential patients used the telehealth system in the
end. Technological barriers such as incompatible smartphones
or inexperience in using smartphone apps were the main causes
for study failure. This problem was more frequently observed
in older adult patients living alone or without caregivers able
to help them use the devices. A solution to this could be to
automate data collection through the use of devices that
automatically monitor and report this data. Newer wearable
devices could allow for real-time monitoring of patients’ heart
rate, oxygen saturation, and physical activity in an automated
manner. A second technological issue became apparent when
evaluating the reporting adherence of the people who succeeded
in using the platform. In this case, adherence to reporting clinical
parameters such as respiratory frequency or symptoms was low.
The use of currently available wearable devices could also
resolve this adherence issue. In addition to technical issues, it
is possible that psychological barriers could have contributed
to reducing study adherence. Better patient education on how
to use this system could also improve adherence, and should
always be considered when applying digital medicine. Finally,
the quality of telehealth monitoring should be complemented
and improved by the collection of other clinically relevant
parameters. For example, a virtual physical examination could
be carried out through the use of high-quality video calls, digital
stethoscopes, and weight scales [6,7]. In our study, the system
worked well for detecting acute complications such as infections
and dehydration. It is useful for monitoring the early
posttransplant period, when acute complications are more
frequent. For long-term follow-up, this system should be
implemented with other technologies (eg, ones that allow visual
communication between physicians and patients).
A study limitation was the small number of patients that
completed the study. However, the study population was
considered sufficient for a pilot study. In fact, the results
obtained should be used to improve the design of the next study,
which will recruit a larger number of patients. In addition, the
uptake and use of newer technologies could be influenced by
country or hospital resources. Such a system would not be
feasible to implement within hospitals or health care systems
that cannot afford such expenses. This applicability issue is
common to the majority of studies using newer technologies.
In conclusion, telehealth monitoring could potentially improve
patient follow-up in terms of both physical and psychological
outcomes. This is especially true whenever an external cause
(such as the COVID-19 pandemic) impedes in-person visits.
Technological issues still represent a barrier to the wider
application of telehealth monitoring systems in a medical setting
and these issues should be considered for future studies.
Acknowledgments
We acknowledge all patients and their families, as well as all health care workers and scientists helping in the fight against the
SARS-CoV-2 outbreak. We thank CERCA Programme/Generalitat de Catalunya for institutional support. In addition, we thank
Tarsila Ferro Garcia for her help in finding the resources required to develop the study. We also thank Fundación Trilema for
their free support in creating the platform for the study.
Authors' Contributions
AM contributed to conception and design and data analysis, and prepared the first draft of the manuscript. All authors contributed
to collection and assembly of data, interpretation, and manuscript revision. All authors approved the final manuscript.
Conflicts of Interest
None declared.
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Abbreviations
HCT: hematopoietic cell transplant
Edited by G Eysenbach; submitted 28.11.20; peer-reviewed by J Mariotti, H Mehdizadeh, P Tripathi; comments to author 30.12.20;
revised version received 31.12.20; accepted 16.01.21; published 12.03.21
Please cite as:
Mussetti A, Salas MQ, Condom M, Antonio M, Ochoa C, Ivan I, Jimenez Ruiz-De la Torre D, Sanz Linares G, Ansoleaga B,
Patiño-Gutierrez B, Jimenez-Prat L, Parody R, Sureda-Balari A
Use of Telehealth for Domiciliary Follow-up After Hematopoietic Cell Transplantation During the COVID-19 Pandemic: Prospective
Pilot Study
JMIR Form Res 2021;5(3):e26121
URL: https://formative.jmir.org/2021/3/e26121
doi: 10.2196/26121
PMID: 33600351
©Alberto Mussetti, Maria Queralt Salas, Maria Condom, Maite Antonio, Cristian Ochoa, Iulia Ivan, David Jimenez Ruiz-De la
Torre, Gabriela Sanz Linares, Belen Ansoleaga, Beatriz Patiño-Gutierrez, Laura Jimenez-Prat, Rocio Parody, Ana Sureda-Balari.
Originally published in JMIR Formative Research (http://formative.jmir.org), 12.03.2021. This is an open-access article distributed
under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits
unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Formative
Research, is properly cited. The complete bibliographic information, a link to the original publication on http://formative.jmir.org,
as well as this copyright and license information must be included.
JMIR Form Res 2021 | vol. 5 | iss. 3 | e26121 | p. 4https://formative.jmir.org/2021/3/e26121 (page number not for citation purposes)
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