common cases: surgery and vascular - osce-aidm.osce-aid.co.uk/notes/lecture_surgery.pdf · present...
TRANSCRIPT
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OSCE-Aid Presents:
Common Cases:
Surgery and Vascular
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What to expect
Stable, chronic conditions in well
patients
Patients who have had previous surgery
and have scars or stomas
Medical conditions with surgical
sequelae
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What is expected of you
To demonstrate a clear, safe system of
examining surgical patients
To demonstrate an understanding of the
major elective operations performed
To understand some surgical pathology
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Surgical Stations
1) Abdominal Scars
2) Stoma examinations
3) Hernia examinations
4) Vascular examinations
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Abdominal scars
Rooftop
Kocher’s
Transverse
Lanz & Gridiron
Vertical femoralPfannelstiel
Groin
Paramedian/Battl
e
Laparoscopy ports
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If in doubt, just say what
you see…
•Laterality
•Quadrant/area
•Size/length
•Orientation
•Associated features
•Relation to other scars or
stomas
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Important Scars
• Midline laprotomy – “the workhorse”
– Exploratory – emergency or exploratory
– Bowel pathology
• Colonic or rectal resection - malignancy
• Small bowel resection/stricturoplasty - malignancy/IBD
– Open AAA repair
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Important Scars
• Laproscopic ports: Umbilical (10mm for the
camera) + 2-4 other small incisions
– Most commonly: appendicectomy and
cholecystectomy
• ALL bowel resections can be done laparoscopically:
look for larger scars nearby
• Kochers (right)/Subcostal (left)
– Open access to the biliary tract and spleen
– Older patients who have had cholecystectomy
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Important Scars
• Nephrectomy Scar
– One not to miss
– Indication:
malignancy or severe
calculi in non-
functioning kidney
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Likely Cases: Crohn’s
SIGNS
• Young, male, smoker
• Cachectic
• Pale (anaemia of chronic disease / iron deficiency / B12
deficiency)
• Evidence of multiple courses of steroids
• Clubbing
• Energy drinks e.g. ensure plus
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Likely Cases: Crohn’s
SIGNS
• Oral ulcers / evidence of malnutrition e.g. glossitis
• Abdominal scars
• Likely multiple, including laparotomy
• May include previous stoma sites
• Stomas - ileostomy/colostomy
• Fistulae – enterocutaneous
• Anal fissures
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Present your findings:
“On examination of this young gentleman, he
appeared well at rest, but with a markedly
cachectic. He had conjunctival pallor, multiple
oral ulcers and a plethora of abdominal scars
indicating a large number of abdominal surgeries
and previous stoma sites. I suspect this
gentleman’s underlying diagnosis is an
inflammatory bowel disease such as Crohn’s
disease”
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Top questions: (1)
What are the key differences between Crohn’s Disease and
Ulcerative Colitis?
Crohn’s Disease Ulcerative Colitis
From the mouth to the anus Colon & Rectum
Bowel wall thickened -
‘cobblestones’
Thin bowel wall
‘Patchy’ disease with skip lesions Continuous disease
Ulcers can be deep – transmural Ulcers do not cross the
muscularis mucosae (mucosal)
Granulomas are common Granulomas are uncommon
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Top questions: (2)
What are the indications for surgery in
Inflammatory Bowel Disease?
• Failure of medical management to control symptoms
• Abscess formation and fistulae
• Obstruction / strictures
• Toxic megacolon
• Sepsis
• Cancer
• Curative (only UC)
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Surgical Stations
1) Abdominal Scars
2) Stoma examinations
3) Hernia examinations
4) Vascular examinations
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Stomas: What to Look For
The Stoma
– Site
– Spouted or flush
– Pink/well perfused
– Skin bridge/rod
– Retracted
– Luminal stenosis
– Hernias
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Stomas: What to Look For
The contents of the bag (if clear)
– Liquid/Solid Stool/Gas
– Colour
– Volume
– Blood?
“The stoma appears to be functioning well….”
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Stomas: What to Look For
The surrounding area:
– Cellulitis
– Excoriation of skin
– Parastomal hernias
– Associated scars
– Nearby mucous fistula
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Stomas: What to Look For
Site Bag Contents Stoma
Ileostomy RIF Liquid stool
(green coloured)
Spouted
Colostomy LIF Solid stool
(brown coloured)
Flush with skin
Urostomy RIF Urine Spouted
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Present your findings:
“I examined this gentleman’s stoma. It is situated
in the right lower quadrant of the abdomen
together with a midline laprotomy scar. There is
a marked parastomal hernia but no surrounding
cellulitis. The surrounding abdomen is soft. The
stoma is raised from the skin and stoma bag
contains liquid stool only. This is likely to be an
ileostomy.
To complete my examination, I would examine the
perineum and perform a digital examination of
the stoma.”
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Stomas: A Few Principles
– Permanent or temporary
– Protecting a distal anastamosis
– Need for further laparotomy
– Hartmann’s:
• Emergency resection
• Diseased colon is resected and rectal stump oversewn
• End colostomy brought to skin surface
• Reversal in 6-12 months
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Surgical Stations
1) Abdominal Scars
2) Stoma examinations
3) Hernia examinations
4) Vascular examinations
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Groin Lumps: The Inguinal Hernia
• This will be the most likely case in finals (stable,
common, multiple findings on examination)
• Femoral hernia also less likely possibility
• You must examine the testis (this WILL be
expected in Finals)
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The Inguinal Hernia: Examination
Findings
• Bulge is felt superior and medial
to the pubic tubercle
• Cough impulse
• Bowel sounds / extension into
testis
• Abdominal findings
• Scars from previous hernias
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The Inguinal Hernia: Important
Negatives
• Non-tender
• Non-pulsatile
• Compressible and reducible (no obstruction / no
strangulation)
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Present your findings:
“This gentleman has a 3 by 3 cm right sided
groin lump situated superiorly and medially to
the pubic symphysis. It is soft, non-tender and is
easily reducible with a strong cough reflex.
There is no extension into the genitalia.
I believe this is an uncomplicated inguinal hernia.
The abdomen is soft with no palpable masses.”
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Top questions: (1)
What are the differential diagnoses for a groin
lump?
• Hernia – INGUINAL or Femoral
• Lymph node
• Arterial aneurysm
• Saphenous Varix
• Haematoma
• Groin abscess
• Testis (undescended)
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Top questions: (2)
What is the definition of a hernia?
“Protrusion of a tissue through the wall of the
cavity in which it is normally contained"
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Top questions: (3)
What are the risk factors for developing a hernia?
• Male
• Personal history or family history of hernias
• Factors increasing abdominal pressure
–Obesity, ascites
–Cough (chronic)
–Constipation
–Manual labour
•Factors weakening abdominal wall
–Abdominal surgery (esp. open appendicectomy)
–Wound healing problems
–Older age
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Top questions: (3)
How should this hernia be managed?
• Non-operative: control of chronic cough, weight loss
• Operative
– If obstructed or strangulated: urgent surgery
– Open mesh repair
– Laparoscopic repair
N.B. Femoral hernias may come up in questioning!
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Top questions: (4)
What are the borders of the inguinal canal?
Roof: Transversalis
and internal
oblique
aponeurosis
Anterior Wall:
External oblique
aponeurosis
Contents:
Spermatic Cord and
Ilioinguinal Nerve
Posterior Wall:
Transversalis Fascia
and conjoint
tendon
Floor: Inguinal
Ligament
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Surgical Stations
1) Abdominal Scars
2) Stoma examinations
3) Hernia examinations
4) Vascular examinations
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Vascular Disease
Make sure you answer these questions:
• Is it venous, arterial or mixed disease?
• Varicose veins:
• Are there complications present?
• At what level and distribution is the disease?
• Arterial:
• How severe is the disease?
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Signs: Arterial Disease
• Smoker, overweight, male, “arteriopath”
• Look:
– Colour
– Necrosis between the toes
– Ulceration: tips, toes, heels
– Scars: bypass
• Feel:
– Cool with weak pulses
• Move:
– Buerger’s test, Doppler flow
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Buerger’s Angle
Every text book will give you different values for mild,
moderate, severe and critical ischaemia.
Buerger’s Angle (elevation of the legs in the supine
position):
The legs should NEVER go pale in a healthy individual,
even at 90 degrees
Pallor at <20 degrees is likely to be severe ischaemia
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ABPI
ABPI = ankle : brachial pressure index
(systolic of the ankle / systolic of the upper limb -
measured using a Doppler probe)
0.9 - 1.2 Normal
0.5 - 0.9 Moderate arterial disease
<0.5 Severe disease (needs an urgent referral)
>1.2 Calcification from PAD
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Present your findings:
“I examined the legs of this elderly gentleman. They
were heavily bandaged prior to my arrival,
however the bandages were clean and dry on
inspection.
His pulses were weak bilaterally and the dorsalis
pedis was absent on the left hand side. Popliteal
pulses were intact. There was no active ischaemia.
He had a Buergers angle of 45 degrees. I would like
to measure the ABPI.
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Top questions: (1)
What is critical limb ischaemia?
• It is a chronic condition characterised by rest-pain,
ulcers and gangrene in the presence of known
severe arterial disease
• N.B. different from acute leg ischaemia, often
caused by trauma, aneurysms or emboli
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Top questions: (2)
How do you manage chronic limb ischaemia?
• Conservative - exercise, smoking cessation, diet
• Medical - aspirin, statins, BP control
• Surgical - stenting, angioplasty, grafting,
amputation
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Signs: Venous Disease
• Haemosiderin deposits
• Lipodermatosclerosis
• Thrombophlebitis
• Ulcers and atrophie blanche
• Varicose veins and
incompetent veins
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Venous Disease
• Varicose veins are usually related to:
– Obesity
– Age
– Prolonged standing
– Pregnancy
– DVTs
• But remember abdominal and pelvic
masses as more worrying causes
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Present your findings:
“I examined the legs of this elderly woman. They
were dressed in compression bandages but were
clean and dry on inspection.
She had marked venous eczema, haemosiderin
deposition and lipodermatosclerosis. There are
multiple healed ulcers over the malleoli. There are
varicosities in the long saphenous vein.
There was incompetence in the valves demonstrated
with the tourniquet test at the level of the sapheno-
popliteal junction…”
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Top questions: (1)
What are varicose veins?
Dilated, tortuous superficial veins on the skin surface caused
by venous insufficiency and incompetent valves.
What are the indications for treatment?
Symptomatic varicosities e.g. aching, pain, bleeding, ulcers
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Top questions: (2)
How would you further investigate varicose veins?
• Ultrasound scan with doppler flow
• ABPIs
• Pelvic/abdominal ultrasound if indicated
What are the treatment options for varicose veins?
• Non-operative: compression bandaging, dressings, lifestyle
• Operative: sclerotherapy, laser ablation, vein stripping
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Vascular Disease
Choose your varicose vein level test but be prepared
to demonstrate all the common methods
When presenting remember important positives and
important negatives
Try to remember two of each!
![Page 46: Common Cases: Surgery and Vascular - OSCE-Aidm.osce-aid.co.uk/notes/lecture_surgery.pdf · Present your findings: “Iexamined this gentleman’sstoma.It is situated in the right](https://reader030.vdocument.in/reader030/viewer/2022040116/5f02b6017e708231d405a0ae/html5/thumbnails/46.jpg)
Written by: Dr Sarah Thoukididou & Dr Sara Khoyratty
Edited by: Dr Celine Lakra
Hosted by: OSCE-Aid
For tips on Surgical OSCE stations:
click here to visit our Surgical page