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170
BRITISH
MEDICAL
JOURNAL
VOLUME
296
16
JANUARY
1988
genetic
associations
may
be
masked
by
ethnic
heterogeneity
and,
with
age,
by
the
increasing
impact
of
hormonal
and
environmental
factors.
1
Tikkanen
MJ.
Immunogenetic
polymorphism
of
apolipoprotein
B
in
man.
Studies
with
a
monoclonal
anti-Ag(c)
antibody.
Am
HeartJ
1987;113:462-7.
2
Viikari
J,
Akerblom
HK,
Nikkari
T,
et
al.
Atherosclerosis
precursors
in
Finnish
children
and
adolescents.
IV.
Serum
lipids
in
newborns,
children
and
adolescents.
Acta
Paediatr
Scand
1985;318
(suppl):
103-9.
3
Berg
K.
DNA
polymorphism
at
the
apolipoprotein
B
locus
is
associated
with
lipoprotein
level.
Clin
Genet
1986;30:515-20.
4
Talmud
PJ,
Barni
N,
Kessling
AM,
et
al.
Apolipoprotein
B
gene
variants
are
involved
in
the
determination
of
serum
cholesterol
levels:
a
study
in
normo-
and
hyperlipidaemic
individuals.
Atherosclerosis
1987;67:81-9.
5
Young
SG,
Bertics
SJ,
Scott
TM,
et
al.
Apolipoprotein
B
allotypes
MB19t
and
MB192
in
subjects
with
coronary
artery
disease
and
hypercholesterolemia.
Arteriosclerosis
1987;7:61-5.
(Accepted
14
October
1987)
Third
Department
of
Medicine,
Meilahti
Hospital,
University
of
Helsinki,
00290
Helsinki
M
J
TIKKANEN,
MD,
acting
associate
professor
Department
of
Medicine,
University
of
Turku
J
VIIKARI,
MD,
associate
professor
Children's
Hospital,
University
of
Helsinki
H
K
AKERBLOM,
MD,
professor,
II
department
of
paediatrics
E
PESONEN,
MD,
paediatric
cardiologist,
I
department
of
paediatrics
Correspondence
to:
Dr
Tikkanen.
Transporting
critically
ill
patients
by
ambulance:
audit
by
sickness
scoring
Patients
who
are
critically
ill
may
be
safely
transported
by
specialist
teams'
but
no
prospective
studies
to
investigate
the
efficacy
of
transporting
such
patients
by
ordinary
ambulances
attended
by
junior
doctors
have
been
reported.
Such
studies
are
important
because
most
critically
ill
patients
are
probably
transported
in
this
way.
Financial
constraints
may
result
in
increasing
use
of
ordinary
ambulances
to
transfer
such
patients
to
centralised
units.
We
performed
an
audit
of
non-specialist
transport
within
a
district
general
hospital
group
in
which
a
sickness
score
was
used
to
control
for
severity
of
illness.
Patients,
methods,
and
results
Vascular
and
general
surgery,
coronary
care,
and most
medical
specialties
are
sited
within
a
five
mile
radius
of
this
intensive
care
unit;
patients
are
therefore
commonly
transferred
to
the
unit
by
ambulances,
the
journey
taking
a
maximum
of
30
minutes.
The
unit
accepts
all
patients
except
those
with
uncomplicated
head
injuries.
We
studied
50
consecutive
patients
transferred
to
the
unit.
Severity
of
illness
was
assessed
with
a
sickness
score,'
which
is
a
modification
of
the
acute
physiology
and
chronic
health
evaluation
(APACHE
II)
score.2
The
sickness
score
was
calculated
from
data
collected
immediately
before
and
after
transport.
Arterial
blood
samples
for
blood
gas
analysis
were
taken
before
transport,
packed
in
ice,
and
analysed
together
with
a
sample
drawn
on
arrival.
Patients
were
not
monitored
during
the
journey.
Controlled
ventilation
was
provided
with
an
Ambu
bag;
patients
who
had
not
been
intubated
received
a
controlled
supply
of
oxygen
from
MC
facemasks.
The
partial
pressure
of
inspired
oxygen
was
measured
with
an
oxygen
meter.
Complications
occurring
during
transfer
and
the
seniority
and
specialty
of
the
medical
attendant
were
noted.
Survival
was
taken
as
discharge
home.
Of
the
50
patients,
31
had
had
operations
and
19
had
medical
conditions
(repair
of
an
aortic
aneurysm
13;
acute
renal
failure,
12;
sepsis,
seven;
cardiac
arrest,
five;
and
respiratory
problems,
13).
Seven
patients,
three
of
whom
had
had
operations,
developed
eight
serious
complications
during
transfer:
obstruc-
tion
of
an
endotracheal
tube,
respiratory
arrest
on
arrival
at
the
hospital,
accidental
disconnection
of
arterial
and
central
venous
cannulas,
withdrawal
of
crucial
inotropic
and
bronchodilator
infusions
(two
cases),
and
unrecordable
blood
pressure
on
arrival
(three).
Six
of
the
seven
patients
were
attended
by
junior
staff
(registrar
grade
or
below)
who
were
not
anaesthetists
(x2=
10-79,
p<0005).
The
table
shows
the
numbers
of
patients
and
their
mean
sickness
scores
before
and
after
transfer.
The
difference
in
scores
between
the
survivors
and
non-
survivors
was
highly
significant
(p<00001).
The
mean
score
for
non-survivors
showed
a
small
increase
after
transport,
though
this
was
not
significant.
Patients
who
suffered
complications
and
those
accompanied
by
junior
staff
or
staff
other
than
anaesthetists
tended
to
have
higher
scores,
but
the
differences
were
not
significant.
Sickness
scores
(and
95%
confidence
intervals)
before
and
after
transport
categorised
by
outcome,
grade
and
specialty
of
attending
staff,
and
complications
Mean
sickness
score
No
of
patients
Before
transport
After
transport
Survivors
34
10-2
(8
9
to
12-0)
10-4
(9-1
to
12-2)
Non-survivors
16
19-0
(16-3
to
21-6)
20-6
(17-7
to
23-4)
Senior
staff
27
12-0
(9-7
to
14-3)
12-5
(10-3
to
14-7)
Junior
staff
23
14-1
(11-3
to
16-9)
15-0 (11-8
to
18-2)
Anaesthetists
34
12-4
(10-5
to
14-4)
13-0
(11-0
to
15-0)
Other
16
14-1
(10-4
to
17-9)
151
(10-8
to
19-3)
Complications
7
15-2(10-1
to20-4)
16-5(10-2
to22-9)
No
complications
43
12-6
(10-7
to
14-5)
13-2
(11-2
to
15-2)
Comment
This
study
showed
that
life
threatening
complications
may
occur
in
critically
ill
patients
when
conventional
ambulances
are
used
for
transport.
Complications
were
more
common
in
patients
attended
by
junior
doctors
and
doctors
other
than
anaesthetists
and
were
not
due
to
more
severe
illness
among
these
patients.
The
training
in
resuscitation
received
by
anaesthetists
may
be
an
advantage
in
caring
for
patients
when
monitoring
is
not
available.
The
complications
were
not
the
direct
cause
of
death
in
any
patient,
probably
because
of
the
short
journey;
longer
transport
times
might
have
resulted
in
a
significant
increase
in
sickness
scores.
Because
severity
of
illness
was
controlled
for,
these
results
suggest
that
inexperience
in
the
management
of
patients
who
are
critically
ill
is
the
dominant
factor
in
the
development
of
complications
during
transfer,
confirming
earlier
work.3
The
results
support
the
need
for
improved
training
in
resuscitation4
and
suggest
that
blood
pressure
should
be
monitored
during
transfer.
1
Bion
JF,
Edlin
SA,
Ramsay
G,
McCabe
S,
Ledingham
IMcA.
Validation
of
a
prognostic
score
in
critically
ill
patients
undergoing
transport.
BrMedJ
1985;291:432-4.
2
Knaus
WA,
Draper
EA,
Wagner
DP,
Zimmerman
JE.
APACHE
II:
a
severity
of
disease
classification
system.
Cn't
Care
Med
1985;13:818-29.
3
Waddell
G,
Scott
PDR,
Lees
NW,
Ledingham
IMcA.
Effects
of
ambulance
transport
in
critically
ill
patients.
BrMedJ7
1975;i:386-9.
4
Baskett
PJF.
Resuscitation
needed
for
the
curriculum?
Br
MedJ7
1985;290:1531-2.
(Accepted
30
September
1987)
Intensive
Care
Unit,
Plymouth
General
Hospital,
Plymouth
PL4
8QQ
J
F
BION,
MRCP,
FFARCS,
senior
registrar
I
H
WILSON,
FFARCS,
registrar
P
A
TAYLOR,
FFARcs,
consultant
Correspondence
to:
Dr
J
F
Bion,
Department
of
Anaesthetics,
Birmingham
University,
Birmingham
B15
2TH.
Is
altered
cardiac
sensation
responsible
for
chest
pain
in
patients
with
normal
coronary
arteries?
Clinical
observation
during
cardiac
catheterisation
Most
patients
with
chest
pain
characterised
as
angina
pectoris
have
obstructive
atheromatous
disease
of
the
coronary
arteries.
In
a
few
patients
with
angina
pectoris
exercise
testing
indicates
abnormalities
but
coronary
angiograms
are
normal.I
Various
theories
have
been
proposed
to
explain
these
findings,
termed
syndrome
X,
and
which
include
abnormalities
of
coronary
reserve
or
myocardial
metabolism
and
abnormal
histological
appearances.2-4
During
routine
cardiac
catheterisation
we
observed
that
patients
with
syndrome
X
were
unusually
sensitive
to
intracardiac
instru-
mentation.
We
report
the
findings
of
a
preliminary
study.
Patients,
methods,
and
results
We
studied
seven
patients
with
syndrome
X
(exertional
chest
pain
associated
with
ST
segment
depression
of
more
than
1
mm
during
exercise
and
normal
coronary
arteries);
four
patients
with
typical
angina
but
negative
results
on
exercise
testing
and
normal
coronary
arteries;
seven
patients
with
atherosclerotic
coronary
artery
disease;
and
nine
patients
with
mitral
valve
disease.