PROGNOSIS IN CORONARY THROMBOSIS. BY

Carey F.

Physician,

Not

so

higher

Coombs, M.D., F.R.C.P.,

charge of the University Centre of Research, General Hospital, Bristol.

and in

many years ago, if a candidate in examinations had been questioned

one as

Cardiac

of the to

the

prognosis of coronary thrombosis, he might have answered with impunity that there is none. The past decade has, however,

people

many

series of

cases

light the fact that these catastrophes. Various reported which bear this out,

brought

do survive have been

to

and to these I add notes drawn from 144

by myself. Examples

patients

seen

of sudden death without benefit

of

medicine, discovered post-mortem to be due to coronary thrombosis, have been excluded from this

object of these remarks is to help the doctor who, standing by the bedside of someone struck down by cardiac infarction, has to furnish to himself and others some sort of estimate of the patient's series

;

for the

chances of recovery.

Now, two broad facts emerge from this study. The first is that 49 out of 144, or 1 out of 3, died in or

shortly 277

after the attack.

Secondly,

of the 83 survivors

Dr. Carey F. Coombs

278

year ago 51 are still living. In other words, about one-third of those who survive the attack die within the year. It is only fair whose attacks occurred

to

over

a

add that with

and

thrombosis series

increasing experience make a diagnosis ready in relatively mild cases.

included would

diagnosis debatable

command

cases

the

general agreement.

If

in

would

dilute

picture

of the

added, these

were

and furnish

the fatalities

more

of coronary The present which

those

except

none

is

one

to

more

better

a

prospects. These

data

general

of several

of the influence

all

clinical

features.

In

(except

the

the

last)

number

total

also

can

of

be

the

reviewed.

and

follow

that

tables

column

tests

as

factors

setiological

first

cases

used

refers

the

to

second

The

expresses in percentages the proportion The itself. those who survived the attack

column of

third

column

who,

after

refers

the

to

percentage of those the attack, had also

living through through the subsequent year. The ages whole series may conveniently be considered

survived of the in

three

those who ages

lie

groups ;

those or

following table expresses the prognosis :? Age. Under 60

..

..

60-69 70

or

who

seventy between, in the were

....

sixty, whose

over,

seventh

the

of age

on

Non-fatal Non-fatal attacks.

48

06-6%

30

The

decade.

influence

Total Number.

66 over

under

and those

were

75-7% -3%

43

and surviving year

or

more.

51-8% 71-1% 70 -0%

&

Prognosis

in

The influence of way

:

Coronary Thrombosis

279

may be tested in the

sex

same

?

Non-fatal Total Number.

Males Females

and

surviving

a

year or more.

106

68-8%

58-0%

38

57-9%

75-0?/

..

..

Non-fatal attacks.

of liability to what may be broadly called coronary disease is too vague a factor to estimate in figures, yet I believe it is an unfavourable feature. A

family history

I have

examples kind of history which seen

in

seem

to

me

people with this proportionally more

than in those who have

numerous

but I

of fatalities in

must admit that I

produce

can

such

no no

history;

reliable

figures

support of this impression.

The state of the heart before the attack may be supposed to influence the prognosis, but it is difficult, in

a

of cases, to get much precise information However, it is practically always possible

majority

about this.

to learn whether the to cardiac

pain

on

patient

has

has not been liable

present series may from

The

effort.

or

this point of view be divided into who gave a history of this not. In tabular form the

groups may be

compared

kind,

prognosis

thus

Total Number.

group of 64 and 80 who did a

of these two

:?

Non-fatal attacks.

Non-fatal and surviving

a

year or more.

Attack

preceded by pain on effort.. Not preceded by pain on effort.. All that

can

64

65-6%

57-1%

80

66-2%

64-5%

be drawn from this series

influence of background

on

as

prognosis, therefore,

to the

is the

280

Dr. Carey F. Coombs

patients of seventy and calamity less successfully than

somewhat obvious fact that stand up to this do patients who are not

over

so

old.

The

prognosis, perhaps, depends more on severity of the attack than on the background. how is that to be measured ?

There

are

the But

two kinds

evidence, those which arise immediately from the anatomical change in the heart, and those which of

express the same thing in terms of function?data derived from the state of the peripheral circulation.

Now, after

examining all the evidence directly proving a structural change in the wall of the heart which was at my disposal, I found that it was not possible to use any simple clinical criterion of gross cardiac damage save one?the presence or absence of a pericardial rub. Here again, therefore, I divided my cases into two groups, those in which friction was heard and those in which it was not. The prognosis in these two groups I express

again

in tabular form.

Heard in 42

.

.

Not heard in 102

The

cases

.

year or more.

70

-1% 75-4%

..

worse

a

57

.

in which

therefore, rather

Non-fatal and surviving

Non-fatal attacks.

Pericardial friction.

rub is heard

pericardial

a

off

so

0%

58-1% far

as

are,

the immediate

is concerned than those in which it is not

prospect

Again,'

hopeful

when the

thoracic,

as

the

little less is abdominal than when it is

the outlook

heard.

pain following

Total Number.

Pain abdominal Pain thoracic

..

..

28 116

is, perhaps,

table shows

a

:?

Non-fatal Non-fatal attacks. 57

1% 68-1%

and survivinga year or more.

64-2% -8%

60

Prognosis The influence

Coronary Thrombosis

in

the

on

so,

as

it

has

far

as

not

always

to

be

been

impossible

to

collect

to

possible

So often the

necessary data.

in terms of

state

do

experience has gone, because

own

my

of the electrocardio-

prognosis

graphic picture is not easy figures ; in fact, it would

281

the

is too ill for

patient Persistent

ventricular early electrocardiography. tachycardia is generally admitted to involve a bad prognosis. Probably it is true here, as in cardiac disease in general, that the most serious changes are those which prove the greatest damage to the ventricular walls. Equally it is true that the

of the

course

estimated

towards

case

if

accurately

more

can

recovery

electrocardiograms

be are

taken at intervals. The immediate the

heart

will

not

circulation.

It is

failure that

we

in cardiac infarction is that

danger

able

be

fill

to

accordingly

peripheral signs of that

the

to

should turn for

the

a

of the

measure

prospect of recovery. It is this that makes extreme pallor so ominous a symptom. The rate of the pulse is not a good guide. I have known the heart beat to

the

at

moment

rhythmic,

a

disappeared. the

a

at

rate

which

in

a

fatal

case

ceased to

breathing

up be

few minutes before the cardiac sounds On the other

blood-pressure

evidence of the

the

normal

nearly to

extent

hand,

measurement

always

gives

which the

peripheral significant feature

impaired. blood-pressure in the systolic

of the

thrombosis is the fall is not always possible

to

be

sure

reliable

efficiency The

circulation is

of of

most

in coronary tension. It

that

this

has

282

Dr. Carey F. Coombs in many instances the pressure attack was unknown ; but what is,

taken

place,

before

the

after

for

all, the

most direct

is

the

heart is

damaged pulse-pressure. My

series

long

actual

of

of the

measure

with which the

efficiency

the vessels

filling (based on a regard the pulse-

custom

data) is

to

pressure as normal if it is about 40 per cent, of In coronary thrombosis, the systolic pressure. other forms of severe ventricular and however,

failure, it may fall

following

table

below is

or

shows

bad

a

low

as

that

sign

a

The

10

per cent. fall to 25 per

as

cent,

:

=

Pulse pressure /Systolic pressure less ; or bearing per cent,

25

on

prognosis.

Whole series P.P. low

(144)..

..

(27)

Unfortunately, it is converse, that patients are

sure

to

recover;

Died in

Died in year

attack.

following attack.

34-0% 70-4%

38-5 0/ /o

not

with

100-0%

possible a

yet if I

wide were

to

claim

the

pulse-pressure compelled to

sign alone it would prognosis the be pulse-pressure that I should choose. Curiously enough, an alternating pulse is seldom

rely

found

for

on

one

except when the immediate attack has been

secondary ventricular failure has set I say "curiously" because narrowed pulsein. pressure and an alternating pulse are so often associated in the progressive ventricular defeat of There is no time to discuss in the hyperpietic. detail the course followed by signs and symptoms The in those who survive the initial onslaught. survived and

Prognosis evidence

more

muscle

and the

worse

there is

reduction

are

beat

and

to

ventricular

ventricular

output

the of

Returning vigour of

signs.

and

rise

in

the

pulse-pressure complications, glycosuria and

Of

favourable.

damage

283

Persistence of fever and

bad

leucocytosis

of of

prognosis.

sounds are

Coronary Thrombosis

in

embolic accidents make the outlook graver still. |~ The ultimate outcome in those cases surviving both

the

attack

and the

subsequent year cannot be summarized yet statistically, because the period during which they have been observed is not long in

is

It

enough.

of

many

fair

only these

a

complete

has

taken

patients

have

been

on

with their work

and to

survive

the

claim, however, that

to

recovery that is apparently place. That is to say, the

enabled

provided attack

to

lesson is to

light

at

by

least

a

experience

similar

the cicatricial remains of cardiac

carry

arduous, decade. of those

series. The up when post-mortem evidence

followed

taught

and

it is not too

This is in accordance with the who have

resume

same

brings

infarction,

which must have occurred many years before death. Finally, there is no doubt that with an increasing

early diagnosis the prognosis is improving. Early diagnosis leads to thorough treatment, based on an adequate period of rest, and in this way an J appreciable number of lives are saved. accuracy of

Summary. Of

a

coronary thrombosis or

clinically diagnosed cases approximately one-third died

series of 144

shortly

after the initial attack.

of in

284

Prognosis

in

Coronary Thrombosis

Of those who survived the attack about died

during

the

one-third

ensuing

year. of the attack appears to have more severity prognostic import than the state of the patient before The

the attack. The

good

degree

pressure falls is of the attack.

to which the

index of the

severity

pulse

a

Editor's Note. A sad interest attaches to this paper, the proofs of which returned by Dr. Carey Coombs on the day before his

were

death with

paragraph

a

letter

to the

saying that he was sending one already in my paper. I

"

an

alternative only

think it is

same boat to dwell a little more than the bright side." The paragraph in question has been added in brackets on page 283.

fair to others in the I have done

on

Prognosis in Coronary Thrombosis.

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