Journal of the Endocrine Society,
Journal Year:
2024,
Volume and Issue:
8(11)
Published: Sept. 24, 2024
Abstract
During
weight
loss,
reductions
in
body
mass
are
commonly
described
using
molecular
components
(eg,
fat
and
fat-free
[FFM])
or
tissues
organs
adipose
tissue
skeletal
muscle).
While
often
conflated,
distinctions
between
established
by
different
levels
of
the
5-level
model
composition—which
partitions
according
to
atomic,
molecular,
cellular,
tissue/organ,
whole-body
level—are
essential
recall
when
interpreting
composition
loss.
A
contemporary
area
clinical
research
interest
that
demonstrates
importance
these
concepts
is
discussion
surrounding
changes
with
glucagon-like
peptide-1
receptor
agonists
(GLP-1RA),
particularly
regard
FFM
muscle
mass.
The
present
article
emphasizes
fundamental
principles
experienced
during
a
particular
focus
on
GLP-1RA
drug
trials.
potential
for
obligatory
loss
due
distribution
from
distinct
also
discussed.
Finally,
selected
countermeasures
combat
muscle,
namely
resistance
exercise
training
increased
protein
intake,
presented.
Collectively,
considerations
may
allow
enhanced
clarity
conceptualizing,
discussing,
seeking
influence
BMC Nephrology,
Journal Year:
2018,
Volume and Issue:
19(1)
Published: Oct. 11, 2018
Poor
nutritional
status
of
patients
with
renal
disease
has
been
associated
worsening
function
and
poor
health
outcomes.
Simply
measuring
weight
height
for
calculation
the
body
mass
index
does
however
not
capture
true
picture
in
these
patients.
Therefore,
we
measured
by
BMI,
composition,
waist
circumference,
dietary
intake
screening
three
groups
Patients
chronic
kidney
on
replacement
therapy
(CKD
stages
3–5,
n
=
112),
after
transplantation
(n
72)
treated
hemodialysis
24)
were
recruited
a
tertiary
hospital
Bergen,
Norway
cross-sectional
observational
study.
Dietary
was
assessed
single
24
h
recall.
All
underwent
screening,
anthropometric
measurements,
composition
measurement
andfunctional
measurements
(hand
grip
strength).
The
prevalence
overweight
obesity,
central
sarcopenia,
sarcopenic
obesity
risk
calculated.
Central
sarcopenia
present
49%
35%
patients,
respectively.
normal
or
according
to
their
BMI.
Factors
diagnosis
diabetes
increased
fat
mass,
while
factors
age,
female
gender,
number
medications.
An
increase
BMI
lower
sarcopenia.
at
all
stages.
More
attention
unfavorable
states
is
warranted
Nutrients,
Journal Year:
2019,
Volume and Issue:
11(2), P. 478 - 478
Published: Feb. 24, 2019
Background:
Ramadan
involves
one
month
of
fasting
from
sunrise
to
sunset.
In
this
meta-analysis,
we
aimed
determine
the
effect
on
weight
and
body
composition.
Methods:
May
2018,
searched
six
databases
for
publications
that
measured
composition
before
after
Ramadan,
did
not
attempt
influence
physical
activity
or
diet.
Results:
Data
were
collected
70
(90
comparison
groups,
2947
participants).
There
was
a
significant
positive
correlation
between
starting
mass
index
lost
during
period.
Consistently,
there
reduction
in
fat
percentage
pre-Ramadan
post-Ramadan
people
with
overweight
obesity
(−1.46
(95%
confidence
interval:
−2.57
−0.35)
%,
p
=
0.010),
but
those
normal
(−0.41
(−1.45
0.63)
0.436).
Loss
fat-free
also
post-Ramadan,
about
30%
less
than
loss
absolute
mass.
At
2–5
weeks
end
return
towards,
to,
measurements
Conclusions:
Even
no
advice
lifestyle
changes,
are
consistent—albeit
transient—reductions
fast,
especially
obesity.
Nutrients,
Journal Year:
2020,
Volume and Issue:
12(5), P. 1267 - 1267
Published: April 29, 2020
Various
behavioral
and
physiological
pathways
follow
a
pre-determined,
24
hour
cycle
known
as
the
circadian
rhythm.
Metabolic
homeostasis
is
regulated
by
Time-restricted
eating
(TRE)
type
of
intermittent
fasting
based
on
In
this
study,
we
aim
to
analyze
systemically
effects
TRE
body
weight,
composition,
other
metabolic
parameters.
We
reviewed
articles
from
PubMed,
EMBASE,
Cochrane
Library
identify
clinical
trials
that
compared
regular
diet.
included
19
studies
for
meta-analysis.
Participants
following
showed
significantly
reduced
weight
(mean
difference
(MD),
−0.90;
95%
confidence
interval
(CI):
−1.71
−0.10)
fat
mass
(MD:
−1.58,
CI:
−2.64
−0.51),
while
preserving
fat-free
(MD,
−0.24;
−1.15
0.67).
also
beneficial
cardiometabolic
parameters
such
blood
pressure
(systolic
BP,
MD,
−3.07;
−5.76
−0.37),
glucose
concentration
−2.96;
CI,
−5.60
−0.33),
cholesterol
profiles
(triglycerides,
MD:
−11.60,
−23.30
−0.27).
conclusion,
promising
therapeutic
strategy
controlling
improving
dysfunctions
in
those
who
are
overweight
or
obese.
Further
large-scale
needed
confirm
these
findings
usefulness
TRE.
Obesity Facts,
Journal Year:
2018,
Volume and Issue:
11(4), P. 294 - 305
Published: Jan. 1, 2018
The
prevalence
of
overweight
and
obesity
has
reached
epidemic
proportions
worldwide
due
to
increasingly
pervasive
obesogenic
lifestyle
changes.
Obesity
poses
unprecedented
individual,
social,
multidisciplinary
medical
challenges
by
increasing
the
risk
for
metabolic
diseases,
chronic
organ
failures,
cancer
as
well
complication
rates
in
presence
acute
disease
conditions.
Whereas
reducing
excess
adiposity
remains
fundamental
pathogenic
treatment
obese
individuals,
complex
abnormalities
weight
reduction
therapies
per
se
may
also
compromise
ability
preserve
muscle
function
mass,
especially
when
co-exists
with
obesity.
Emerging
evidence
indicates
that
low
mass
quality
have
a
strong
negative
prognostic
impact
individuals
lead
frailty,
disability,
increased
morbidity
mortality.
Awareness
importance
skeletal
maintenance
is
however
among
clinicians
scientists.
term
‘sarcopenic
obesity'
been
proposed
identify
but
its
utilization
largely
limited
aging
patient
population,
consensus
on
definition
diagnostic
criteria
insufficient.
Knowledge
sarcopenic
various
clinical
conditions
subgroups,
impacts
stratification,
effective
prevention
strategies
remain
therefore
dramatically
inadequate.
In
particular,
optimal
dietary
options
nutritional
support
undefined.
European
Society
Clinical
Nutrition
Metabolism
(ESPEN)
Association
Study
(EASO)
recognize
indicate
altered
body
composition
(sarcopenic
obesity)
scientific
priority
researchers
clinicians.
ESPEN
EASO
call
coordinated
action
aimed
at
reaching
definition,
criteria,
particular
regard
therapy.
We
are
convinced
achievement
these
goals
potential
reduce
burden
mortality
rapidly
population.
American Journal of Respiratory and Critical Care Medicine,
Journal Year:
2020,
Volume and Issue:
201(6), P. 718 - 727
Published: Jan. 10, 2020
Rationale:
Obesity
is
the
primary
risk
factor
for
obstructive
sleep
apnea
(OSA).
Tongue
fat
increased
in
obese
persons
with
OSA,
and
may
explain
relationship
between
obesity
OSA.
Weight
loss
improves
but
mechanism
unknown.Objectives:
To
determine
effect
of
weight
on
upper
airway
anatomy
subjects
We
hypothesized
that
would
decrease
soft
tissue
volumes
tongue
fat,
these
changes
correlate
reductions
apnea–hypopnea
index
(AHI).Methods:
A
total
67
individuals
OSA
(AHI
≥
10
events/h)
underwent
a
study
abdominal
magnetic
resonance
imaging
before
after
intervention
(intensive
lifestyle
modification
or
bariatric
surgery).
Airway
sizes
tissue,
were
quantified.
Associations
structures,
relationships
to
AHI
changes,
examined.Measurements
Main
Results:
was
significantly
associated
pterygoid
lateral
wall
volumes.
Reductions
strongly
correlated
(Pearson’s
rho
=
0.62,
P
<
0.0001);
results
remained
controlling
0.36,
0.014).
Reduction
volume
mediator
improvement.Conclusions:
reduced
several
tissues
Improved
mediated
by
fat.
New
treatments
reduce
should
be
considered
patients
Obesity Reviews,
Journal Year:
2021,
Volume and Issue:
23(1)
Published: Oct. 19, 2021
Summary
Postbariatric
loss
of
muscle
tissue
could
negatively
affect
long‐term
health
due
to
its
role
in
various
bodily
processes,
such
as
metabolism
and
functional
capacity.
This
meta‐analysis
aimed
unravel
time‐dependent
changes
the
magnitude
progress
lean
body
mass
(LBM),
fat‐free
(FFM),
skeletal
(SMM)
following
bariatric
surgery.
A
systematic
literature
search
was
conducted
Pubmed,
Embase,
Web
Science.
Fifty‐nine
studies
assessed
LBM
(
n
=
37),
FFM
20),
or
SMM
3)
preoperatively
≥1
time
points
postsurgery.
Random‐effects
meta‐analyses
were
performed
determine
pooled
per
outcome
parameter
follow‐up
point.
At
12‐month
postsurgery,
−8.13
kg
[95%CI
−9.01;
−7.26].
−8.23
−10.74;
−5.73]
−3.18
−5.64;
−0.71],
respectively.
About
55%
occurred
within
3‐month
followed
by
a
more
gradual
decrease
up
12
months.
Similar
patterns
seen
for
SMM.
In
conclusion,
>8
observed
1‐year
LBM,
FFM,
predominantly
lost
highlighting
that
interventions
mitigate
losses
should
be
implemented
perioperatively.