Best Practice & Research Clinical Rheumatology,
Journal Year:
2023,
Volume and Issue:
37(1), P. 101845 - 101845
Published: March 1, 2023
The
recent
publication
of
the
American
College
Rheumatology
(ACR)-European
Alliance
Associations
for
(EULAR)
classification
criteria
large
vessel
vasculitis
and
anti-neutrophil
cytoplasmic
antibody
(ANCA)-associated
vasculitides
(AAVs)
has
provided
modern
these
conditions,
which
incorporate
contemporary
methods
investigation
diagnosis.
Further
validation
is
required
in
independent
cohorts,
especially
from
populations
that
were
not
well
represented
development
cohort.
Studies
occurrence
report
Takayasu
arteritis
a
rare
disease
most
populations,
giant
cell
common
older
populations.
incidence
AAV
appears
to
have
plateaued,
but
prevalence
increasing
as
result
lower
mortality.
new
may
affect
reported
prevalence,
studies
will
be
needed
confirm
this.
impact
COVID-19
on
completely
known,
there
evidence
reduced
Kawasaki
IgA-associated
following
lockdowns
with
transmission
possible
trigger
infectious
agents.
JAMA Network Open,
Journal Year:
2024,
Volume and Issue:
7(4), P. e245362 - e245362
Published: April 5, 2024
Importance
Henoch-Schönlein
purpura
(HSP)
is
the
most
common
type
of
vasculitis
in
children.
The
factors
that
trigger
disease
are
poorly
understood.
Although
several
viruses
and
seasonal
bacterial
infections
have
been
associated
with
HSP,
differentiating
specific
associations
these
pathogens
onset
HSP
remains
a
challenge
due
to
their
overlapping
patterns.
Objective
To
analyze
role
epidemiology
HSP.
Design,
Setting,
Participants
This
cohort
study
comprised
an
interrupted
time-series
analysis
patient
records
from
comprehensive
national
hospital-based
surveillance
system.
Children
younger
than
18
years
hospitalized
for
France
between
January
1,
2015,
March
31,
2023,
were
included.
Exposure
Implementation
relaxation
nonpharmaceutical
interventions
(NPIs)
COVID-19
pandemic,
such
as
social
distancing
mask
wearing.
Main
Outcomes
Measures
main
outcomes
monthly
incidence
per
100
000
children,
analyzed
via
quasi-Poisson
regression
model,
estimated
percentage
potentially
14
selected
over
same
period.
Results
included
9790
children
(median
age,
5
[IQR,
4-8
years];
5538
boys
[56.4%])
757
110
infectious
diseases
0.7
0.2-2
393
697
[52.0%]).
decreased
significantly
after
implementation
NPIs
2020
(−53.6%;
95%
CI,
−66.6%
−40.6%;
P
<
.001)
increased
April
2021
(37.2%;
28.0%-46.3%;
.001).
Streptococcus
pneumoniae
was
37.3%
(95%
22.3%-52.3%;
.001),
cases
pyogenes
25.6%
16.7%-34.4%;
human
rhino
enterovirus
17.1%
3.8%-30.4%;
=
.01).
Three
sensitivity
analyses
found
similar
results.
Conclusions
Relevance
significant
changes
simultaneously
major
shifts
circulating
pandemic
indicated
approximately
60%
pneumococcus
group
A
streptococcus.
finding
suggests
preventive
measures
against
could
reduce
pediatric
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: Sept. 11, 2023
Background
IgA
vasculitis
(IgAV)
is
an
immune-associated
vasculitis,
yet
its
exact
etiology
remains
unclear.
Here,
we
explore
the
interaction
between
IgAV
and
inflammatory
factors
using
bidirectional
Mendelian
randomization
(MR).
Methods
We
conducted
a
summary-level
MR
analysis
to
delineate
causality
of
C-reactive
protein
(CRP),
procalcitonin
(PCT),
41
circulating
regulators
with
IgAV.
Data
on
genetic
variants
related
inflammation
were
obtained
from
three
genome-wide
association
studies
(GWASs)
CRP,
PCT,
human
cytokines,
whereas
data
was
large
meta-analyses
GWAS
among
216
569
FinnGen
Biobank
participants.
The
primary
performed
inverse-variance
weighted
(IVW)
approach,
sensitivity
analyses
carried
out
MR-Egger,
median,
mode,
MR-pleiotropy
residual
sum
outlier.
Results
This
study
revealed
CRP
higher
levels
increased
risk
through
IVW
method
(Estimate
odds
ratio
[OR]
=
1.41,
95%
confidence
interval
[CI]:
1.01-1.98,
P
0.04),
MR-Egger
(OR
1.87,
CI:
1.15-3.02,
0.01),
median
2.00,
1.21-3.30,
0.01)
mode
1.74,
1.13-2.68,
0.02).
Furthermore,
elevated
IL-8
strongly
implicated
(IVW
OR
1.42,
1.05-1.92;
Conversely,
genetically
predicted
associated
decreased
TNF-β
estimate
β
-0.093,
-0.178
-
-0.007;
0.033).
Additionally,
no
such
significant
statistical
differences
for
other
found.
Conclusion
Our
current
provides
compelling
evidence
causal
effect
These
findings
contribute
better
understanding
pathogenesis
emphasize
potential
targeting
therapeutic
interventions.
Annals of Medicine,
Journal Year:
2025,
Volume and Issue:
57(1)
Published: Feb. 7, 2025
To
analyze
the
differences
in
clinical
manifestations
between
children
and
adults
with
intestinal
involvement
IgAV
to
identify
specific
subtypes
requiring
particular
attention.
A
systematic
review
of
HIS
system
was
conducted
on
patient
data
from
four
centers
at
Tongji
Hospital
January
2015
October
2022.
Patients
a
diagnosis
were
further
analyzed.
Clinical
manifestations,
laboratory
data,
CT
findings
time
initial
hospitalization
recorded.
The
extent
involvement,
linked
disease
severity,
quantitatively
assessed
by
evaluating
number
affected
segments
imaging.
Laboratory
markers
that
could
reflect
severe
explored.
Furthermore,
patients
classified
based
sites
involved
segments:
L1
type
(duodenum
and/or
jejunum),
L2
(ileum),
L3
jejunum
ileum),
L4
(limited
colorectum).
comparison
first
three
types
performed.
total
148
enrolled
(67
81
adults).
proportion
joint
pain
renal
higher
adults.
D-dimer
level
an
independent
risk
factor
for
(OR
=
1.104,
p
.016).
In
segments,
it
found
had
longer
hospital
stay.
With
exception
there
no
significant
symptoms
imaging
provided
objective
insights
into
which
correlated
severity.
widespread
small
bowel
displayed
more
state.
Archives of Disease in Childhood,
Journal Year:
2024,
Volume and Issue:
unknown, P. archdischild - 327364
Published: Oct. 8, 2024
Objective
IgA
vasculitis
(IgAV)
is
the
most
frequently
experienced
subtype
of
seen
in
children.
Most
children
fully
recover,
however,
complications
including
chronic
kidney
disease
are
recognised.
The
aim
this
project
was
to
use
a
best
available
evidence,
group
agreement,
based
approach
develop
national
recommendations
for
initial
management
IgAV
and
its
associated
complications.
Methods
A
representative
multiprofessional
guideline
development
(GDG),
consisting
28
members,
formed
met
monthly.
Graded
were
generated
using
nationally
accredited
methods,
which
included
predefined
scope,
open
consultation,
systematic
literature
review,
evidence
appraisal,
review
or
international
guidelines
period
consultation.
Audit
measures
research
priorities
incorporated.
Results
GDG
over
14-month
period.
total
82
papers
relevant
synthesis.
For
management,
four
topic
areas
identified
with
five
key
questions
generating
six
graded
related
classification,
specialist
referral
musculoskeletal
involvement.
complications,
12
15
covering
nephritis,
gastrointestinal
testicular
involvement,
atypical
follow-up.
Open
consultation
feedback
endorsed
by
UK
Kidney
Association
Royal
College
Paediatrics
Child
Health
online.
Conclusion
Despite
being
rare
limited
standardised
clinical
young
people
has
been
achieved.
This
should
unite
approaches
care
act
as
foundation
improvement.
BMC Infectious Diseases,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: Jan. 24, 2025
To
explore
the
influence
of
respiratory
infections
on
onset
Henoch-Schönlein
Purpura
(HSP)
in
children,
along
with
exploring
potential
underlying
mechanisms.
The
present
study
conducted
a
statistical
analysis
renal
involvement
indicators
296
children
HSP
who
came
to
Children's
Hospital
Zhejiang
University,
as
well
IgA
levels
400
and
HSP.
Compared
control
group,
exhibited
significant
increase
urine
red
blood
cell
count,
microalbuminuria,
protein/creatinine
ratio
(P
<
0.001).
monthly
outpatient
visits
for
similar
pattern
those
HSP,
demonstrating
heightened
prevalence
during
autumn
winter.
level
were
significantly
higher
than
group
can
give
rise
complications
such
involvement.
There
exists
certain
correlation
between
occurrence
which
may
be
attributed
elevation
induced
by
infections.
In
conclusion,
should
reinforce
protective
measures
peak
influenza
season
order
prevent
Cureus,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Immunoglobulin
A
vasculitis,
also
known
as
Henoch-Schönlein
purpura
(HSP),
is
a
type
of
vasculitis
that
most
commonly
found
in
children.
Palpable
key
feature
and
often
associated
with
joint,
abdominal,
or
renal
involvement.
This
case
report
presents
an
atypical
presentation
HSP
four-year-old
male,
characterized
by
overlapping
features
Acute
Hemorrhagic
Edema
Infancy
(AHEI)
Koebnerization
(isomorphic
response),
which
complicates
the
diagnosis.
The
patient
initially
presented
redness
around
his
mouth
nose,
followed
hematuria
development
palpable
on
lower
extremities
buttocks.
Vascular
swellings
were
noted
palms,
feet,
face,
cockade
appeared
upper
extremities.
exhibited
episodic
joint
pain,
genital
edema,
back
diagnosis
this
was
challenged
presence
AHEI-like
Koebnerization.
responded
well
to
treatment
prednisone
colchicine.
underscores
clinical
overlap
between
AHEI,
rare
occurrence
HSP.
It
emphasizes
importance
recognizing
presentations
ensure
timely
accurate
Further
research
required
explore
frequency,
pathophysiology,
implications
such
cases
enhance
diagnostic
accuracy
management
pediatric
vasculitis.
BMJ Case Reports,
Journal Year:
2025,
Volume and Issue:
18(2), P. e262856 - e262856
Published: Feb. 1, 2025
IgA
vasculitis
(IgAV),
also
called
Henoch–Schönlein
purpura
(HSP),
is
an
immune
complex
characterised
by
IgA1‐dominant
deposits
affecting
small
vessels
(predominantly
capillaries,
venules
or
arterioles).
It
often
involves
the
skin
and
gastrointestinal
tract,
frequently
causes
arthritis
rarely
in
kidney
indistinguishable
from
nephropathy.
usually
presents
as
a
purpuric
non-blanching
rash
mostly
on
lower
limbs,
although
it
may
extend
to
upper
limbs
trunk,
more
face.
Respiratory
tract
infection
history
of
exposure
antigens
certain
foods,
insects,
drugs
vaccines
trigger
pathogenesis
IgAV.
Adenovirus
acute
respiratory
diseases
occasionally
gastroenteritis.
Literature
adenovirus
direct
involvement
onset
IgAV
scarce.
We
report
few
cases
where
associated
with
infection,
research
required
establish
this
association.