Breast Cancer Research and Treatment,
Journal Year:
2024,
Volume and Issue:
210(1), P. 147 - 156
Published: Nov. 15, 2024
The
COVID-19
pandemic
significantly
impacted
breast
cancer
(BC)
surgeries.
Most
studies
showing
reduced
BC
surgical
volumes
during
the
are
from
single
institutions,
few
have
described
volume
changes
in
different
types
of
procedures.
This
study
aimed
to
assess
impact
on
surgery
and
at
a
population
level.
Patients
diagnosed
with
between
January
1,
2018,
June
25,
2022,
Ontario,
Canada,
were
analysed
population-based
datasets.
Time
periods
defined
as
pre-pandemic
(Jan
2018-Mar
2020),
immediate
(Mar-Jun
peri-pandemic
(Jun
2020-Jun
2022).
Weekly
type
(lumpectomy,
mastectomy,
or
mastectomy
reconstruction)
evaluated
using
segmented
negative
binomial
regression
models.
Among
44
226
patients,
50
440
surgeries
performed.
decreased
by
16.9%
compared
levels
(180.5
vs.
217.1;
p
=
0.03).
Surgical
recovered
2021.
Mastectomies
represented
higher
proportion
(31.1%
pre,
36.3%
immediate,
32.4%
peri-pandemic;
<
0.01).
mastectomies
reconstruction
remained
stable
but
increased
(20.1%
17%;
There
was
significant
reduction
all
pandemic.
accounted
for
period
however
access
maintained.
within
year
despite
ongoing
hospitalizations.
Future
needed
explore
pandemic's
long-term
care.
Journal of Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
13(12), P. 3568 - 3568
Published: June 18, 2024
Objectives:
The
COVID-19
pandemic
and
its
associated
restrictions
have
resulted
in
delayed
diagnoses
across
various
tumor
entities,
including
rectal
cancer.
Our
hypothesis
was
based
on
the
expectation
of
a
reduced
number
primary
operations
due
to
higher
stages
compared
control
group.
Methods:
In
single-center
retrospective
study
conducted
from
1
March
2018
2022,
we
analyzed
120
patients
with
an
initial
diagnosis
Among
them,
65
were
part
group
(pre-COVID-19),
while
55
included
(during
pandemic).
We
stages,
treatment
methods,
complications,
presenting
data
as
absolute
numbers
or
mean
values.
Results:
Fewer
resections
during
(p
=
0.010),
well
significantly
lower
overall
0.025)
seen
Twenty
percent
received
their
lockdown
periods.
These
presented
(T4b:
27.3%
vs.
6.2%,
p
prior
pandemic.
addition,
more
angiolymphatic
invasion
(ALI)
identified
following
neoadjuvant
0.027).
No
differences
noted
between
groups
regarding
stoma
placement,
conversion
rates.
Conclusions:
pandemic,
particularly
lockdown,
appears
contributed
diagnoses,
resulting
decreased
surgeries.
quality
cancer
can
be
maintained
under
conditions.
The Oncologist,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
Background
As
an
extended
analysis
of
the
COVID-DELAY
study,
we
aimed
to
assess
impact
COVID-19
pandemic
on
diagnosis,
staging,
and
survival
outcomes
among
patients
with
colorectal
cancer
(CRC)
diagnosis
performed
from
2019
2022.
Methods
All
consecutive
newly
diagnosed
CRC
referred
11
Italian
Oncology
Departments
between
March
December
2019,
2020,
2021,
2022
were
enrolled.
Access
rate,
demographics,
diagnostic-therapeutic
temporal
intervals,
first-line
progression-free
(PFS)
OS
metastatic
assessed.
Results
Compared
(n
=
690),
initial
global
reduction
in
new
cases
2020
564,
–18.3%)
was
observed,
followed
by
a
progressive
increase
diagnoses
2021
748,
+
8.4%)
756,
9.6%);
higher
rate
TNM
stage
IV
tumors
(35.4%)
(31.0%)
compared
(29.6%),
normalization
(26.4%)
(P
<
.001).
Not
clinically
relevant
differences
histological
first
oncological
examination,
cytohistological
systemic
treatment
start,
appointment
start
radiological
assessment
2021-2022
years
found.
After
propensity
score
matching
according
year
median
significantly
worse
(27.6
vs
24.8
not
reached
38.9
months,
respectively)
Concordantly,
PFS
each
passing
year:
13.0
11.1
9.2
7.2
months
2022,
respectively
.00027).
Conclusions
A
as
well
stages
at
The
might
have
affected
some
time
intervals
2020.
Significantly,
pre-pandemic
phase,
independently
associated
disease.
The Annals of Family Medicine,
Journal Year:
2024,
Volume and Issue:
22(3), P. 208 - 214
Published: May 1, 2024
PURPOSE
The
COVID-19
pandemic
abruptly
interrupted
breast
cancer
screening,
an
essential
preventive
service
in
primary
care.
We
aimed
to
evaluate
the
pandemic's
impact
on
overall
and
follow-up
screening
using
real-world
health
records
data.
METHODS
retrospectively
analyzed
a
cohort
of
women
eligible
for
through
study
period
from
January
1,
2017
February
28,
2022
TriNetX
Research
Network
examined
temporal
trend
monthly
volume
throughout
compared
rate
adherence
within
24
months
after
previous
when
was
due
pre-COVID
vs
COVID
period.
To
account
multiple
screenings
longitudinal
data,
we
applied
logistic
regression
model
generalized
estimating
equations
with
adjustment
individual-level
covariates.
RESULTS
Among
1,186,669
screening-eligible
women,
temporarily
decreased
by
80.6%
April
2020
then
rebounded
close
levels
June
2020.
Yet,
78.9%
(95%
CI,
78.8%-79.0%)
77.7%
77.6%-77.8%)
Multivariate
analysis
also
showed
lower
during
(odds
ratio
=
0.86;
0.86-0.87)
greater
among
aged
65
years
older
non-Hispanic
"other"
race
(Asian,
American
Indian
or
Alaska
Native,
Native
Hawaiian
Other
Pacific
Islander).
CONCLUSIONS
had
transient
negative
effect
prolonged
screening.
It
exacerbated
gaps
especially
certain
vulnerable
groups,
requiring
innovative
strategies
address
potential
disparities
International Journal of Environmental Research and Public Health,
Journal Year:
2024,
Volume and Issue:
21(7), P. 816 - 816
Published: June 21, 2024
The
National
Breast
and
Cervical
Cancer
Early
Detection
Program
(NBCCEDP)
observed
significant
declines
in
screening
volume
early
the
COVID-19
pandemic,
January-June
2020,
with
variation
by
race/ethnicity
geography.
We
aimed
to
determine
how
NBCCEDP
recovered
from
these
as
it
is
important
for
monitoring
long-term
impact
on
women
served
program.
Breast Cancer Research and Treatment,
Journal Year:
2024,
Volume and Issue:
210(1), P. 147 - 156
Published: Nov. 15, 2024
The
COVID-19
pandemic
significantly
impacted
breast
cancer
(BC)
surgeries.
Most
studies
showing
reduced
BC
surgical
volumes
during
the
are
from
single
institutions,
few
have
described
volume
changes
in
different
types
of
procedures.
This
study
aimed
to
assess
impact
on
surgery
and
at
a
population
level.
Patients
diagnosed
with
between
January
1,
2018,
June
25,
2022,
Ontario,
Canada,
were
analysed
population-based
datasets.
Time
periods
defined
as
pre-pandemic
(Jan
2018-Mar
2020),
immediate
(Mar-Jun
peri-pandemic
(Jun
2020-Jun
2022).
Weekly
type
(lumpectomy,
mastectomy,
or
mastectomy
reconstruction)
evaluated
using
segmented
negative
binomial
regression
models.
Among
44
226
patients,
50
440
surgeries
performed.
decreased
by
16.9%
compared
levels
(180.5
vs.
217.1;
p
=
0.03).
Surgical
recovered
2021.
Mastectomies
represented
higher
proportion
(31.1%
pre,
36.3%
immediate,
32.4%
peri-pandemic;
<
0.01).
mastectomies
reconstruction
remained
stable
but
increased
(20.1%
17%;
There
was
significant
reduction
all
pandemic.
accounted
for
period
however
access
maintained.
within
year
despite
ongoing
hospitalizations.
Future
needed
explore
pandemic's
long-term
care.
