Nasser Algharem MD, FRCR, EBIR · MD, FRCR, EBIR. Safi 2 Endovascular Management of arterial injury...
Transcript of Nasser Algharem MD, FRCR, EBIR · MD, FRCR, EBIR. Safi 2 Endovascular Management of arterial injury...
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Safi 1
Nasser Algharem, MD, FRCR, EBIR.
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Safi 2
Endovascular Management of arterial injury can be divided in
A•Embolization.
B•Stentgraft.
C•Others.
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Safi 3
Blast injuries are not as unique to battle as we would hope, however, as they are unfortunately becoming more common worldwide outside the battlefield environment.
Disasters, explosions, and shootings can happen in all types of settings and can occur anywhere.
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Safi 4
There are several types of explosive ordinance seen in modern combat:.
IED: Improvised Explosive Device that is home-made from
everyday materials.
The harmful projectiles include anything from paperclips, screws,
pins/nails and spent bullet shells to automobile parts (especially
when the car is part of the bomb).
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Safi 5
There are several types of explosive ordinance seen in modern combat:
RPG: Rocket Powered Grenade:
a grenade that is shot from a
rocket to explode on impact of a
human, group, or structure to
inflict damage.
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Safi 6
There are several types of explosive ordinance seen in modern combat worthy of discussing:
Landmines: an explosive device concealed under or on the ground
and designed to destroy or disable enemy targets, ranging from
combatants to vehicles and tanks, as they pass over or near it.
Such a device is typically detonated automatically by way of
pressure when a target steps on it or drives over it, although other
detonation mechanisms are also sometimes used.
A land mine may cause damage by direct blast effect, by fragments
that are thrown by the blast, or by both.
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Safi 7
There are several types of explosive ordinance seen in modern combat worthy of discussing:
Mortar is a device that fires projectiles at low velocities and
short ranges.
The mortar has traditionally been used as a weapon to propel
explosive mortar bombs in high-arcing ballistic trajectories.
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Safi 8
There are several types of explosive ordinance seen in modern combat worthy of discussing:
Rockets and warheads missiles.
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Safi 9
There are four types of blast injury depending on proximity, severity, type of explosive, and surrounding environment:
Primary: Blast wave: hollow organs essentially burst due to
overpressure
Secondary: debris and projectiles that have ballistic
properties(most common, IED, other blasts)
Tertiary: happens when the patient’s body becomes the
flying object and collides with other objects (walls, objects,
vehicles..)
Quaternary (or miscellaneous): injury comes from burns
from the blast heat or inhalation of gases and smoke released
in the explosion.
Many casualties have a combination of these injury types.
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Safi 10
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Safi 11
CASE #1
27 year old male involved in
combat injury by flying
debris and projectiles in
battlefield after a landmine
explosion .
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Safi 12
• Large area of penetrating FB and
laceration more in the left leg with
comminuted fractures and skin loss.
• Blood loss was continuous and CT shows
a pseudoaneurysm at the Lt SFA mid-third.
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Safi 13
Angiography was done and
therapeutic intervention was done
by a PTFE heparinized Viabahn
stentgraft was done successfully.
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Safi 14
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Safi 15
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Safi 16
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Safi 17
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Safi 18
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Safi 19
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Safi 20
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Safi 21
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Safi 22
CASE #2
27 year old male involved in
combat injury by flying debris
and projectiles in battlefield
after a landmine explosion
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Safi 23
• Large area of penetrating FB and
laceration more in the left leg with
comminuted fractures and skin loss.
• Same patient in Case 8, after one
monthe presented with pulsatile lump
above and medil to the left knee.
• US show an aneurysm.
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Safi 24
• Blood loss was continuous and CT
shows a pseudoaneurysm at the Lt
SFA distal third/P1 with AVF.
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Safi 25
• Angiography and therapeutic
intervention was done by a PTFE
heparinized Viabahn stentgraft
was done successfully.
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Safi 26
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Safi 27
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Safi 28
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Safi 29
One month later,, Pulsatile mass!!!
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Safi 30
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Safi 31
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Safi 32
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Safi 33
1500 IU Thrombin injection.
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Safi 34
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Safi 35
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Safi 36
CASE 3
24 year old male involved in
combat injury by snipper attack
his right thight with a bullet
causing active arterial bleeding.
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Safi 37
• Angiography was done and therapeutic
intervention was done by a PTFE
heparinized Viabahn stentgraft was done
successfully.
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Safi 38
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Safi 39
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Safi 40
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Safi 41
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Safi 42
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Safi 43
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Safi 44
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Safi 45
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Safi 46
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Safi 47
CASE 4
18 year old female involved in
mortar grenade injury falling on
her house, flying debris and
objects cutting and crossing her
right proximal thigh and perineum.
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Safi 48
• She bleeds a lot and arrived to the local health
facility with irrecordable pulse and BP,
resuscitated with fluids and given 8 units of blood
and plasma and referred to our hospital.
• Her Hb on arrival was 4..
• 6 units given and 8 FFP and emergency CTA was
done vascular surgeon was planning to interfere
with high risk of amputation as patient was
unstable and wound was difficult to control and
family was seeking better chance foe the young
girl..
• Patient then was referred to me for opinion by
ICU team in the midnight..
• I decide to shift her for angio..
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Safi 49
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Safi 50
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Safi 51
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Safi 52
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Safi 53
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Safi 54
CASE 5
25 year old male involved in
combat injury by gunshot at the
Right shoulder
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Safi 55
• Undergo uneventful hospital stay,
except for heaviness and hotness of
the forearm and hand more on using
it,, and ongoing swelling.
• He was diagnosed as a traumatic AV
fistula and surgery was done but failed to
locate it.
• He was referred to my hospital and after
US check I prepare him to angio and
stenting.
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Safi 56
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Safi 57
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Safi 58
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Safi 59
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Safi 60
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CASE 6
21 year old male involved in
combat injury by gunshot at
the left thigh.
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Safi 62
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Safi 63
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Safi 64
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Safi 65
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Safi 67
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CASE # 7
22 year old male involved
in combat injury by flying
debris and projectiles in
the abdomen
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• Primary laparotomy was done in a near field hospital and bowel repair, patient still dropping his Hb and abdomen becomes tenser.
• Second laparotomy was done in a second hospital and surgeon was frustrated by bleeding and he tried to control and close.
• Patient continued bleeding and yet consumed around 40 units of blood in the last 2 days.
• He was referred to me for CT and opinion.
• CT was done and showed the continuous jet of splenic artery bleeding.
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Safi 72
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Safi 76
CASE 8
21 year old male involved
in combat injury by a
snippers’ gunshot at the
Rt side of neck..
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Safi 77
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Safi 78
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Safi 82
CASE 9
23 year old male involved in
combat injury by a snippers’
explosive gunshot at the Rt
side of neck.
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Safi 83
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Safi 85
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Safi 86
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Safi 87
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Computed Tomography Scans..
Hemodynamically stable patients.
Identification and classification of injuries.
Sensitivity: 92 to 98 %.
Specificity: 99%.
CT has a high negative predictive value to allow immediate discharge from the emergency department.
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Vascular Injury-Lessons
Control of haemorrhage.
Vascular repair – maintain blood supply.
Prevention of infection.
Speed.
85% of early deaths are due to blood loss.
Early blood loss has a significant effect on late deaths.
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• Arterial cut-off
• Mural irregularities or flap
• Laceration
• Thrombosis
• Dissection
• Free-flow contrast extravasation
• Stagnant intraparenchymal accumulation of contrast
• Parenchymal blush
• Stagnant arterial or venous flow
• Diffuse vasoconstriction
• Pseudoaneurysm
• Arteriovenous fistula
• Vessel displacement
The angiographic manifestations of vessel injury
Angiographic manifestations of vessel injury:
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Angiographic Manifestations of Bleeding
• Free-flow contrast extravasation.
• Stagnant intraparenchymal accumulation of contrast.
• Disruption of visceral contour.
• Displaced organ.
• Intraparenchymal avascular zones.