SELECTED SUMMARIES
August 1994
patients had been subjected to prior sclerotherapy. However, the authors of the present study should have defined the term “failure of more precisely.
sclerotherapy” controlled
by repeat
Does recurrent
sclerotherapy
All in all, this is a well-designed tion and should
bleeding
constitute
that is easily
failure?
study that provides
pave the way for further
useful informa-
experience VIVEK
with TIPS.
report of a prospective
M.D.
of reports
that discuss
shunt
or duplex
be responsible found
probof the
These different approaches may in part
sonography.
for differences
In our experience,
in the incidence
follow-up
It allows
of stenosis and occlusion
Duplex
sonography
by interpolation sis of shunt
before rebleeding
criteria
the report, patients,
its effect on cardiac and systemic
are lacking.
failure
was diagnosed
by duplex
rebled.
who did not meet the criteria of shunt
In the 2 1 patients lishment
and/or
with shunr
of the shunt
sonographic
diagnosis. most of them
size and appearance “Asymptomatic” reappearance
terology
1993; 104:A985)
confirm
these data
with
(>50%
after
meaning
reestab-
shunt
between
in respect
harmful
of the varices
partly
to
was performed
anymore.
Thus,
diagnosed
the less, to exclude
TIPS
monary
artery
on
there
is
by duplex unnecessary
The authors attempted (while
the patients
revision
M.D.
TIPS: GOOD FOR THE LIVER, BUT WHAT ABOUT THE HEART?
search Center,
Dennison
A,
Surgery
Paul Brousse Hospital,
Ma&no
W, Eyraud
and Liver Transplant Villejuif,
9 men
cirrhosis.
There
with a mean
had cirrhosis secondary
anesthesiaj,
to
before TIPS
30 minutes
later. Two of the 12 patients
values for heart rate, systemic CO, and CI were normal,
and portal-atria1
gradients
The mean portal pressure of 15. Thirty
after
died during patients.
arterial
whereas
were elevated
pressure, the portal
as expected.
was 26 mm Hg with a portal-atria1
minutes
after TIPS, there was a signih-
increase
in PAP from
cant increase in cardiac preload, namic
complications
authors
note, however,
preexisting
there was no evidence
cardiac or pulmonary
The data at 1 month which
had increased
this signifi-
there were no acute hemody-
from TIPS in this small series. As the
had decreased
of any significant
disease in these patients.
was of considerable
interest.
The portal
from a mean of 26 to 21 mm
after TIPS, was now 14 mm Hg. The CO
to a mean of 12 L/m (CI = 7.4). The PAP and
however,
the pre-TIPS
had decreased
to levels that were lower than
values. There was a modest in the systemic
there was a decrease
in the CI and the decrease that after 1 month,
D,
adjustment
in which
Re-
pulmonary
circulation
jugular intrahepatic portosystemic shunt worsens the hyperdynamic circulatory state of the cirrhotic patient: preliminary
from 7.7 to 9.9 Li
min, whereas the CI went from 4.5 to 5.7. lIespite
tance. There was no obvious
France). Trans-
16 to 21 mm Hg and WPAP
from 11 to 16 mm Hg. The CO increased
appeared D,
and
included
so the study is based on the 10 surviving
WPAP,
expected,
Castaing
studied
to obtain measurements
were under
TIPS, and 1 month
but no change
D,
(CO),
and portal-
viral hepatitis.
WPAP,
Bismuth H (Hepato-Billiary
The patients
output
all of whom had biopsy-proven
Hg immediately
ROSSLE,
patients
the right atria1
pressure
gradient.
pressure,
MARTIN
cardiac
and 3 women,
endoscopic
before radiological
of hemody-
artery pressure (PAP), wedged pul(WPAP),
atria1 pressure
in patients
is recommended
included
index (CI), as well as the portal
(e.g.,
of TIPS
IS performed.
Azoulay
pressure
or liver failure),
reestablishment encephalopathy
is rare
had co be
in our experience,
insufficiency,
None
that
The
to study a number
in a small series of 12 consecutive
nying
or not. It does not
the symptoms
who
cant increase in RAP from 8 to 12 mm Hg with an accompa-
We cannot
depending
artery
The measurements
pressure
insufficiency
this constellation
insufficiency),
because
shunt
that
disease
16 days before he died.
namic parameters
PAP,
its duplex
with stenosis.
undertook
coronary
The present
by the death from
undergoing
The pre-TIPS
had recurrence
shunt
with
procedure
authors subsequently
the month,
(P < 0.001).
and no bleeding,
in 2 of 11 patients
embolization
a risk of heparic
evaluation
rebled
of a patient a TIPS
gradient
occlusion,
and rebleeding.
and somerimes
insufficiency
immediately
ar all. We found
are not present
sonography,
none of the 62
with a high risk of rebleeding
of the shunt
a close relation
in 31
of varices, was found by Sanyal et al. (Gastroen-
simultaneous
[reared
insufficiency
in
of the varices.
without
revision
sonography
All but one of these patients
shunt
of patients
of shunt
flow velocity)
was performed
of varices,
whether
portal
sono-
As mentioned
In contrast,
failure
underwent
hemodynamics.
France, was occasioned
age of 45 years. Eight of the patients
clear duplex
insufficiency
shunt
reduction
that
for shunt
and 10 of these patients
patients
(<5%
opinion
diagno-
en-
available on
were 3 grade A, 7 grade B, and 2 grade C patients
occurs.
bleeding
of hepatic
but there is very little information
cardiac
in most patients
pressure,
the procedure,
pressure (RAP), pulmonary
at
devel-
Thus, in many patients,
can be established
We do nor share Dr. Gumaste’s graphic
In addition,
can be anticipated
of the early findings.
failure
function
data on shunt function,
on its location.
or occlusion
is of crucial
of shunt
as it is with angiography.
quantitative
and information
of stenosis
sonography
monitoring
is not limited
also provides
degree of stenosis, opment
with duplex
noninvasive
any time, and its frequency
with
is a major
reevaluation
in the literature.
importance.
afford
of the shunt
by radiological
its effect on portal
There is also some data on I-year survival after
heart
and occlusion
can be made
por-
cephalopathy.
stated
stenosis
intrahepatic
there have been a number
varices, and the development
report from Villejuif,
correctly,
1994; 19: 129- 132
of the transjugular
shunt (TIPS) procedure,
Reply. We enjoyed reading Dr. Gumaste’s accurare summary of our report and his balanced commentary on TIPS. As Dr. Gumaste lem. Its diagnosis
Hepatology
tosystemic
from esophageal
V. GUMASTE,
study.
(January). Since the introduction
593
arterial
increase in pulse rate pressure.
in the systemic correlation
between
in the portal-atria1
As would be vascular
resis-
the increase gradient.
It
there was a form of hemodynamic
there was less blood sequestered and more delivered
in the
to the periphery
in
consequence of the increase in CO. What cannot be determined from this study is what this implies for splanchnic hemodynamics.
594
SELECTED
Comment. namic
There
problems
relatively
GASTRDENTEROLOGY
SUMMARIES
have been
after
small.
TIPS,
scattered
reports
although
In a recent
series
of 100 patients
reported
(N Engl J Med 1994;330:165-207X
year-old
man, developed
reported
a considerably
surements
Doppler
be expected,
times the control not change,
study,
techniques
relatively
the portal
the authors
of the portal
blood
is somewhat
little information
any type of surgically Clichy,
the diameter surprising.
shunt,
France (Gastroenterology
proximately
2% of patients
pulmonary appear
hypertension.
factor
Surg 1979; 190:523-534) but not after distal
Forum
1976;27:370,
ported
conflicting
difficult
splenorenal
Anesth postsurgical
it is to extrapolate
The TIPS procedure, anesthesia
this
which
used in the present
in the return
to the right
in pulmonary
pressure,
decreases.
data
vessels, including tion about
CO increases
the splanchnic
eral, and splanchnic
that exists is to a considerable which
variety
the velocity
of drugs,
Gastroenterol (Hepatology
such
as glucagon,
and
1986;6:1248-1251),
from an intensive
care unit
apt to have
been administered are not likely
with
patients
develop
procedure
the diameter
at hand.
that
and
large
amounts
of the term “gradient.
are
not deter-
relatively
failure
few
after a TIPS are of no
in pressure
It was thought
between
although
this was only
alcoholic
cirrhosis.
Patients
ence that
It was found,
from esophageal
varices
is 12 mm Hg or greater.
whether
the so-called
procedure bleeding TIPS,
bleeding
well established
from esophageal
the change
the explanation.
There
portal-atrial
can or should
of the portal in patients
gradient
be interpreted varices
tends
in this portal-atria1
however,
to
and free hepatic
with other forms of chronic
do not always fit this pattern. gradient
the wedged
understood
to be an approximation
pressure,
the use
concerning
was initially
with
liver disease
through
rarely occurs
experi-
unless
this
is no clear understanding that
exists after a TIPS
in the same manner. to decrease gradient
to establish
performed values
at least
Dr. Sweeting
hemodynamics
however,
at 1 month
we think
of blood
it remains
dure has been postponed
3 patients
The PAP were
lower
by the decrease
of
by the reviewer.
that the decompression this phenomenon.
26 more patients period.
have been
A TIPS proce-
because of a CO of I6 L/min
have presented
after TIPS. A complete
systemic
report
soon. We fully agree that further
this area. In particular,
we need to establish
increased
syndrome
hyperdynamic
that
proposed
follow-up
in one patient
Furthermore,
out by patients
did not reach statistical
to be proven
of our report,
Pre-TIPS
syndrome).
bed via the TIPS prevents
for our study with a longer
rupture. as pointed
implied
is a sound hypothesis
in
TIPS was
to levels
this decrease
The sequestration
be submitted
in our patients failure,
for cirrhotic
degree of hyperdynamic
values; however,
However,
add normal
M.D.
several issues. The
were normal,
we would
had decreased
resistance
the
for his interesting
but feel we must address
10 days after the last variceal
peripheral
when
G. SWEETING,
is that TIPS was performed
a certain
WPAP
are available,
to determine
For the cases of sclerotherapy
for systemic
and pulmonary
techniques
hemody-
of this study will
studies
are needed
the consequences
on a subsequent
in
of an
liver transplanta-
tion.
of fluid
in hemodynamics
gradient”
first point
situations.
ac-
and portal blood flow. Only when
like to thank
on our report,
elective
it is totally
these procedures
DANIEL AZOULAY,
M.D.
homeostasis.
is simply
of interpretation
” “Hepatic
mean the difference vein pressure.
problem
We would
namic complications
consequence. There is an additional
Reply.
older more
appropriate.
comments
J
portal
before
JOSEPH
pre-TIPS.
coming
such agents
of reliable
heart
volume
in patients
of cardiac
the appropriate
technique of bleeding
we understand
undergoing
will it be possible
is truly
A
nitrates
to alter
The fact that
changes
of splanchnic
Since the submission
(Stand
patients
many
to these variables
overt signs of congestive
does not mean
that
with
measurements
available
of the
flow volume.
vasopressin
means
changes
patients
brought
high rate of complica-
that
determination
and, when
of the splanchnic
periph-
extent based on Dopp-
in which
along
the information
no informa-
p blockers
to be in a state
TIPS does when added
minable
this
it mandatory
that
have, at minimum,
significance.
resistance
pulmonary,
have been shown
At the very least,
The relatively
hemodynamic
appear
hemodynamics
than pre-TIPS
to the increase
peripheral
secretin,
should
and
increase
of blood in peripheral
of the flow to determine
replacement What
a short-term
on measuring
1986;21:1029-1038X
vein velocity. directly
depends
It would
(i.e., showing
the general
after any type of shunt procedure.
ler technology,
the associated
Dr. Sweeting;
situation.
without
cardiac,
The information vessel and
re-
it clear how
bed. There is virtually
hemodynamics
(Surg
have
making
whereas
among
(Ann
reports
side of the heart. In addition
the overall correlations
did not
Reichle
Other
This would imply some sequestration
60 years of age) make
about
to be a useful
in the management
found that ap-
in CO after mesocaval
imposes
hypertension.
this data is accumulated
to the post-TIPS
study,
than
It appears
acceptance
points
changes
(e.g., more than 40% encephalopathy
TIPS procedure
shunt
can be performed
to portal
tions, however,
after
of a surgical
findings,
rapid
No. 2
of patients,
about the hemodynamic
by the TIPS procedure. is obtaining
from
1982;61:185-186)
shunt
is
had coexisting
shunts.
Analg
there
hypertension
an increase
that
changes
for this association.
reported
(2.5
based on a small number
TIPS. A report
1991; 100:520-528)
The presence
about
cepted.
vein did
Unfortunately,
including
with portal
to be a determining
shunts
markedly
of the portal
about overall hemodynamic
created
flow before
hemodynamics.
although
out how little is understood
secondary
which (or he-
also made mea-
blood flow increased
level), although
which
an 84-
in the portal-atrial
and after TIPS but did not assess cardiac or pulmonary As would
from
only 1 patient,
decrease
than in the Clichy
using
to be
heart failure after TIPS. In that study, greater
This study,
hemody-
appears
Freiborg
patic) gradient
of acute
the incidence
Vol. 107,
De Cicco M, Panarello G, Fantin D, VeronesiA, Pinto A, Zagone/ V, Monfardini S, Testa V (Clinical Leukemia
Units
Riferimento
after a successful of
and Division
Oncologico,
a Carattere cancer
nutritional
Italy).
di Ricovero
di
e Cura
nutrition
effects
1993;17:513-518
and
Centro
Parenteral
chemotherapy:
JPEN
Nephrology, Oncology,
Nazionale
Aviano,
receiving
status.
Nutrition,
of Medical
Istituto
Scientifico,
patients
on toxicity
in and
(November-De-
cember). De
Cicco
(TPN)
might
therapy
Although
may be only part
NUTRITIONAL SUPPORT: FIXING NITROGEN, FIXING PATIENTS
with
et al. postulated be efficacious
in patients various
lymphoma, at least
with
cancers and bladder
two
identical
that
total
in reducing cancer.
(small
cell
cancer) courses
They lung
parenteral
nutrition
the toxicities identified cancer,
who were
50 patients non-Hodgkin’s
scheduled
of chemotherapy.
of chemo-
to receive
Using
a ran-