anterior approach to the upper thoracic vertebrae

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THORACIC. VERTEBRAE ... of decompression and stabilisation are ... nerve is more constant in its location. TECHNIQUE. OF OPERATION. The patient .... thoracic vertebrae presents technical difficulties. In a patient with a long slender neck.
ANTERIOR

APPROACH

TO THE

RONALD

Front

King

tile

Edward

The anterior exposure We report our experience of one clavicle

UPPER

CHARLES,

VIII

THORACIC

SHUNMUGAM

Hospital

and

the

VERTEBRAE

GOVENDER

Universit;’

of Natal,

Durhan,

South

Africa

of the upper thoracic spine using standard methods is often difficult and limited. using a technique described by Sundaresan et al. (1984) in which the medial portion

and part of the manubrium

sterni

are excised.

In 10 cases

we found

this to be a useful

and safe

procedure.

Anterior

approaches

purposes

of

to

established,

but

transthoracic

methods especially

third

to this

route

sternotomy

al.

but

1960;

describe

et al.

resection

the

right

Brink

the in

when

patient

left

trachea area

help

left

identify

side

of

on the it is safer

recurrent

OF under

and

part

and

by

individual to use

left is

the

the

case. the

above

released

and

and

at

they are is made

parallel

from

the

to the

clavicle

vein.

is resected

using

so that the cortex

it can

Part

and

medial with

innominate

operation.

preserving anterior

the

and the subperiosteally

clavicle

retained

from

the

end

of

working. with the

transverse

clavicles,

extending

the

half care

The medial third a Gigli saw and

be replaced

of

manubrium.

the

The

of one clavicle are being taken not to

as a graft

manubrium

opposite sternoclavicular of the manubrium is cut

or half of the bone

at the

end

is

excised,

of

joint. The using a high

If side

more

and The

A

the

anaesthesia

and

head

vocal

sandbag

turned cords

Surgeon New York

is

away are

10805,

should

be

sent

to Dr

R. W.

JANUARY

1989

and

a

is used

to

placed

from

inspected

the by

USA.

FRCS, Senior Surgeon and Senior Lecturer of Orthopaedics, Faculty of Medicine, University Box 17039, Congella 4013, Republic of South Africa.

I,

on

manubrium exposed

carotid

either

start

from the lateral border of one sternocleidomastoid muscle to the other. The vertical limb is in the midline extending to the middle ofthe sternum. On the side of the approach, the sternocleidomastoid and the strap muscles

are

of the

the

stethoscope

oesophagus.

operation.

No.

1 cm

by

between

nerve

general

© 1989 British Editorial Society of Bone 0301 -620X/89/ 1019 $2.00 J Bone Joint Surg [Br] I 989:7 1-B :81-4.

71-B.

T2

the

OPERATION

or an oesophageal the

Correspondence

VOL.

and

revealed

laryngeal

R. W. Charles, MD, Orthopaedic 220 Pelham Road, New Rochelle, S. Govender, Department Natal, P.O.

of Tl

be approached

depending

the scapulae the

report

at

location.

tube

between

We

Memorial

and

sterni are

medially

may

is indicated

its

front

vertebrae

is intubated

nasogastric

at the

York,

manubrium

The

TECHNIQUE The

a median

described

working

the

limb

A

1980).

approach

approached

high

(Hodgson

Edmonson

the

in New

and

side

because

exposure

Hospital

The

or the

constant

is through

anaesthetist

procedure to confirm that A “T” shaped incision

present

is to be done.

spine

the

well

and and

limited

and

with

side.

laterally.

no specific

the

gives

of the

one

oesophagus

sheath

cervical exposure

grafting

for

are

damage

Sundaresan

the

of

also

(1984)

Sloane Kettering our results.

on

limited

experience

Sundaresan

partial

anterior

give part

this

spine

stabilisation

low

if bone

Vanden

our

clavicle

cervico-dorsal and

the

a problem,

et

the

decompression

of Fig.

I

Charles. Joint

Surgery

The operative field after been excised. The strap oesophagus are retracted The innominate vein is

part ofthe clavicle and ofthe manubrium have muscles are turned upwards, the trachea and to one side and the carotid sheath to the other. retracted downwards.

81

R. W. CHARLES,

82

speed steally

burr; with The

the posterior a strong pair plane

cortex is resected of scissors or bone

between

the

trachea

and

medially, and the carotid sheath laterally, the recurrent laryngeal nerve is identified the

innominate

prevertebral the

front

a

of the

radiograph

involvement. and The

vein

muscles

is

vertebrae is

(Fig.

taken down

decompression and excised clavicle

attached closed

and

to the periosteum. over

suction

downwards. metal

confirm

the

to T3

the

The

Postoperatively

is easily

collar

platysma

muscles

and

lateral

tomograms

patient

level

of

Ten

patients

months.

achieved

and

the

summarised used

to grade

1969).

Before

re-

al.

skin

are

and five involved

destructive

changes

patient

incomplete area were

T3

done

in

all

were

sufficiently

average

function failure

remaining No is destruction displacement tuberculosis.

of of

the the

5.9

respiratory

the Tl. There and lamina with Histology showed

from

of

respiratory patients 3

varied time

side

seven patient

from

no

which

three

THE

weeks

2).

Myelo-

the tomograms

to

1 1 months patient

with

poor

paralysis

died

from

after

neurological

operation.

at the time any shoulder

of

OF

with

recovery

the

performed

JOURNAL

swelling.

One

complete

part

(Fig.

of the and

LTS

were ambulant experienced

removed and replaced. Bone grafting was

tissue

when

et

complete

3).

months. three

showed

patients

(Fig.

and

soft

useful

clear

(Frankel had

radiographs to interpret,

prevertebral

18

classification

patients

Plain difficult

of

diagnoses

Frankel

five

with

CT scans

a period

involvement

paralysis. often

and

were

and

Follow-up

of

up.

histological

I. The

neurological operation,

T2

over

and

RESU

CT myelogram vertebral body, pedicle spinal cord to the left.

is allowed

operation data

in Table

in Tl,

not

this

clinical

was

are

showing

had

Their

are

were

10.

sandbags

PATIENTS

graphy

Case

with

markers,

tomograms

Fig.

is nursed

The

drains.

Case 9. Anteroposterior and Histology showed tuberculosis.

is applied

from

may be performed. as a bone graft, strap

the

on either side of the head. Provided that radiographs then show the graft to be in good position, a firm cervical

oesophagus

and stripped

stabilisation is replaced

is secured

subperionibblers.

is developed; and protected;

1). Using

to

Exposure

haemostasis

retracted

are now exposed

S. GOVENDER

BONE

AND

Two

but

the

of discharge. problem on

clavicle in eight

an

had

been

patients

and

JOINT

SURGERY

ANTERIOR

Fig. Case shown

APPROACH

graft months.

is

at final follow-up One patient had

all grafts only a

were partial

incorporated vertebrectomy

therefore

was

used,

and

another

atory and

failure was in a patient with old pulmonary tuberculosis.

gave

no problem

and

death

was

cases the graft in bed for three

(Fig.

had

bone which would not accept a graft. Problems and complications. The one death

one of the early patient was kept

VERTEBRAE

83

very

from

seemed resolved

soft

secondary deposit of thyroid carcinoma, the graft not be inserted because of profound osteoporosis.

respir-

chronic brochiectasis The operation itself not

attributed

displaced months

details

of

to be due to retraction within two weeks.

patient

was

Luque

rod

subsequently and

bone

stabilised

The the

Site

1

69

M

T2

An

anterior

presents

approach

technical

slender approach

to the difficulties.

neck and drooping can sometimes

upper In

2

63

F

11

3

56

F

4

45

5

VOL.

71-B,

Duration (months)

Pathology

Pre-op

Follow-up

Died

A

-

4

A

A

3

A

A

Thyroid

T2

2

Breast

F

Tl

3

? Tuberculosis

6

C

D

52

F

T2 and

8

Myeloma

5

A

D

6

35

F

Tl

10

Tuberculosis

11

A

E

7

50

M

Tl

2

Tuberculosis

9

B

E

8

53

M

T3

6

Tuberculosis

5

C

E

9

31

F

Tl,

1

Tuberculosis

4

C

E

Tuberculosis

6

B

E

53 Frankel

No.

grades

1, JANUARY

M : A, complete

1989

3

C7 and paraplegia

Tl

3

12 to E, free

of neurological

tumour

1* grade

Follow-up (months)

1

2

2 and

a

vertebrae with

shoulders an anterior give adequate exposure,

? Secondary

and

could This using

thoracic

a patient

1

10 *

posteriorly

it a

DISCUSSION

Franke Sex

and with

cement.

10 patients

Age (years)

Case

on the larynx one patient,

In

to it. In

slightly. and finally

was well incorporated. Hoarseness of voice occurred in one patient after surgery, though the vocal cords were recorded as functioning at the end of the procedure. The hoarseness

I. Clinical

THORACIC

4). and

graft

Table

UPPER

4

9. The at three

no graft

TO THE

secondary secondary

symptoms

a long cervical but in

R. W. CHARLES,

84

patients especially median

with normal physique access tends to be limited for bone grafting. The high transthoracic and sternotomy approaches to this area also give

S. GOVENDER

position and does the nerve

exposure. We found that partial excision of the clavicle and manubrium was technically simple, and enabled decompression and grafting to be performed with ease. We were able to visualise the body ofT3 in all cases. Because

to injury. We

ofthe

difference

The

nerve

on each

spine

from

limited

in the location

side, the

left

ofthe

it is less hazardous side.

Here

the

recurrent

laryngeal

to approach nerve

reaches

the its

method known

between

the trachea

and oesophagus

not cross the operative does cross the operative found

this

approach

field. field to

be

for a difficult area in the to all who perform anterior

authors are No benefits from a commercial this article.

grateful in any party

in the chest

On the right side and is thus prone a safe

spine; spinal

and

useful

it should surgery.

be

to Mrs B. Katia who typed the manuscript. form have been received or will be received related directly or indirectly to the subject of

REFERENCES Frankel

HL, Hancock reduction in the with paraplegia

DO, Hyslop initial management and tetraplegia.

G,

et al. The value of postural of closed injuries of the spine Parap/egia 1969;7:179-92.

Hodgson AR, Stock FE, Fang HSY, Ong GB. Anterior spinal fusion: the operative approach and pathological findings in 412 patients with Pott’s disease of the spine. Br J Surg 1960-1961 ;48:l72-8.

Sundaresan N, Shah J, approach to the l984;6l :686-90. Vanden

Foley upper

KM, Rosen thoracic

Brink KD, Edmonson AS. Crenshaw AH, eds. Campbe//’s ed. St. Louis, etc: CV Mosby,

THE

JOURNAL

G. An vertebrae.

anterior J

surgical Neurosurg

The spine. In : Edmonson operatit-e orthopaedics. Vol.2. 1980.

OF BONE

AND

JOINT

AS, 6th

SURGERY