Percutaneous Treatment of Venous and Lymphatic Malformations · Percutaneous Treatment of Venous...
Transcript of Percutaneous Treatment of Venous and Lymphatic Malformations · Percutaneous Treatment of Venous...
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Percutaneous Treatment of
Venous and Lymphatic
Malformations
Santiago Ortega-Gutierrez MD, MSc
Assistant Clinical Professor
Department of Neurology, Radiology,
Neurosurgery and Anesthesia
University of Iowa Hospitals and Clinics
7th SVIN 11/9/2014
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Conflict of interest
• No disclosures
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Objectives
1. Concept and classification
2. Sclerotherapy agents
3. Technique
4. Venous and lymphatic malformations
cases
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Vascular anomalies
classification • 1. Hemangiomas (endothelial proliferation)
• 2. Vascular malformations (No proliferation
) Morphogenesis
– Low Flow
• Capillary Malformations
• Lymphatic Malformations
• Venous Malformations
– High Flow
• AVMs
• AVFs 1. Mulliken JB. Glowacki J. Plast Reconstr Surg 1982
2. Jackson IT et al. Plast Reconstr Surg 1993
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ISSVA consensus 1996
1. Legiehn G, Heran Manraj. Semin Intervent Radiolo 2010
2. ISSVA consensus 1996
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Patient Problems
1. Cosmetic Deformity
2. Hemorrhage (acute or
chronic)
3. Analgesia
4. Functional Problems
- airway
- feeding
- speech, vision, hearing
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Vascular Birthmark Institute of NY
Roosevelt Hospital New York
Multidisciplinary Team
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Alcohol (98%)
• Extremely effective
• Direct toxic effect on the endothelium that activates the coagulation system and causes the microaggregation of red blood cells.
• Occlusion of the lumen occurs within minutes or days.
• Side effects: • if it reaches the capillary bed of any given tissue (eg, skin),
and it usually causes significant soft-tissue swelling and necrosis
• Compartment syndrome (nerve compression).
• If reaches systemic circulation • CNS depression,
• Hemolysis,
• Cardiac arrest
Max 1mg/Kg
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Sotradecol • Sodium tetradecyl de sulfate
• Contains 2% benzyl alcohol and is
commonly used for venous malformations
and varicose veins.
• Less painful for the patient, and less toxic
than absolute alcohol.
Max 0.5mg/Kg
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Doxycycline
• Doxycycline is an antibiotic medicine belonging to the class called "tetracyclines.”
• It is an effective sclerosant agent for lymphatic through inhibition of endothelium growth and local inflammation
• Extremely painful and must be combined with local anesthetic
• Necrosis and discoloration
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OK-432
• OK-432 is a lyophilized biological preparation containing the cells of Streptococcus pyogenes.
• This sclerosant agent particularly useful for lymphatic malformations (cystic hygroma lesions).
• Shrinkage of the lesions is usually noted around 5 to 6 weeks
• The mechanism of this therapy is uncertain.
• Presently, OK-432 has not been approved by the FDA.
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Bleomycin
• 15 mgrs (15 IU) per procedure
• 400 mgrs total life doses
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Bleomycin
+ • Minimal
inflammatory
response
• Ideal for mucosal
lesions
• Intraorbital
- • Dose limited per
procedure
• Total dose limited
• Pulmonary fibrosis
• “high” flow
• Skin
hyperpigmentation
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Bleomycin Precautions
• Protect Airway from Airway Access!!
• Avoid Tape removal
• Avoid scratching
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Materials
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O
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We developed a simple
technique using a fine
25G angiocath placed
through the
malformation
It is then connected to a
transparent IV tubing
filled with the
sclerotherapy embolic
agent, and or contrast
material
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Then via gentle
withdrawing of
the
microcatheter,
with the column
of liquid agent at
15 to 25 cms
above the
puncture level,
and observing
the fluid
meniscus
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as a microcystic channel
is entered, the fluid
column will advance and
permeate the vascular
territory
As the compartment
becomes occluded, the
pressure, or height of the
column must be raised,
permitting us to confirm
the progressive occlusion
of the microcyst
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The passive permeation of
the lesion is observed
with a radiopaque
sclerosing liquid
( Doxycycline mixed with
iodinated contrast
material)
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Venous Malformations
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Image
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A
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2005-03-11
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E
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Lymphatic malformations
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8/28/2007
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12/4/2008
10/17/2007
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Questions?
• Page me through the operator any time
• Stroke team on call-> 24/7/365 @
1-866-890-5969
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