
78
Rev. Méd. RosaRio 91: 73-80, 2025
REVISTA MÉDICA DE ROSARIO
DIscussIon
In recent years, there has been an increasing number
of studies evaluating the importance and relationship
between adherence to GH treatment and nal height
achieved, demonstrating that lack of adherence is a key
factor in the inadequate growth of these patients.
4
One of the observations described in these studies,
as with any chronic medical treatment, is the progressive
decrease in the percentage of adherence to these
treatments by patients and/or caregivers.
4-6
Today, we have tools to objectively measure the
number of applications performed by patients (easypod
device), which allows us to determine whether the cause
of slower growth is directly related to not receiving
treatment. is way, we can address the issue with the
family to improve the number of applications and thus
improve nal height and metabolic parameters.
Other factors that also inuence the nal response to
growth hormone treatment are the dose used throughout
the treatment and the duration of the treatment.
7
e
importance of periodic controls for growth evaluation and
dose adjustment to optimize the response is emphasized,
as well as timely detection and referral to a specialist.
Patients who presented lower adherence were correlated
with a lower daily average dose and this directly impacts
a lower growth rate and nal height, losing centimeters
that could have been gained with greater adherence.
Having a computerized system for recording
applications also serves for a more detailed control of the
applications and when observing in a certain period that
fewer applications are recorded, it allows us to correct the
factors that determined this attitude. is is only possible
if the patient carries out the treatment with the use of this
device; otherwise, it is very dicult to be able to make
an objective evaluation of it, marking a dierence in the
results of height and centimeters gained in favor of those
who have a device that records the applications.
8
is is
not a minor detail when choosing between commercial
brands of growth hormones
Both growth rate and centimeters gained directly
correlate with the increased number of applications, to
the point that it was shown that skipping one application
per week signicantly reduced patient growth.
9
is
directly aects the nal height achieved.
In the present study, adherence to growth hormone
treatment was evaluated in a group of patients treated
by the same professional. erefore, the same person
performed the controls and height measurements, as well
as the interventions to improve adherence. is marks an
important dierence compared to many of the studies
published in the literature.
e number of patients recruited was similar in
both the growth hormone deciency group and those
diagnosed with intrauterine growth retardation. e
average follow-up period was 2.54 years (2.61 for GH
deciency and 2.48 for IUGR). e average age at
initiation of treatment was dierent in both groups, being
two and a half years younger in children with IUGR than
in those with GH deciency. is was partly due to the
training and awareness-raising provided to neonatologists
and pediatricians to refer children with intrauterine
growth retardation without height recovery earlier. ese
professionals also monitored the response to treatment in
parallel with the specialist, which allowed them to observe
height gain and recovery of the genetic pathway in these
patients with GH treatment. is approach rearmed
the importance of providing treatment to these patients
to further improve their quality of life, and the number of
referrals to specialists increased over time.
When analyzing the adherence data, they coincide
with other publications in that the lower the adherence,
the fewer the centimeters gained. In this study, the
adherence was analyzed and divided into 3 groups
according to the percentage of adherence: high adherence
when the number of applications was ≥ 85% of the total,
intermediate between 70% and 84%, and low adherence
in those who presented less than 70%. e adherence
was analyzed in the last year of follow-up. 81.2% of all
patients included in the study presented adherence ≥
85%. From this we can deduce that 4 out of 5 patients
presented very good adherence (being slightly higher in
women than in men). is high percentage of adherence
directly correlates with the interventions carried out in
this regard, which are detailed in the study results.
Greater adherence made a signicant dierence in the
centimeters gained during the same period analyzed. It
was 11.12 cm in those with high adherence versus 9.25
cm in those with low adherence. is represents a 1.87
cm loss per year of treatment.
And the data were even more signicant when a
theoretical analysis was performed on the centimeters
lost from the start of treatment (age at which treatment
was started) to the end of treatment (assessed by bone
age). If both sexes were included, a loss of 11.22 cm at
the end of treatment was found in those with <70%
adherence compared to those with ≥85% adherence. In