Advancing Health Literacy of Transplant Patients and Caregivers
Symposium for Patients & Caregivers
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Transcript of Symposium for Patients & Caregivers
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Symposium for Patients & Caregivers
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Endoscopic and Combined Surgical Approaches
Ruth E. Bristol, MD
Assistant Professor of Neurosurgery
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Acknowledgements
• Maggie Bobrowitz, RN, MBA• HH team• Harold Rekate, MD• Adib Abla, MD• Patients and Families
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Outline
• How do we choose the right surgery?• What does “endoscopic” mean?
• How an endoscope works• Choosing the endoscopic approach
• What does “combined” mean?• Why do we need a combined approach
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How Do We Get There?
Blow up of lesion
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Patient Selection
• Type II, III, and IV: Endoscopic +
• Type III and IV: Combined
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Risks of Treatment
• Memory loss
• Hypothalamic injury• Increased appetite• Diabetes inispidus• Other hormonal abnormalities
• Cranial nerve/ vascular injuries
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Risk Spectrum
• Lowest Risk
• Highest Risk
• Gamma Knife
• Endoscopic
• Transcallosal
• Orbitozygomatic
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What Is An Endoscope?
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Endoscopy
• Endoscope approaching lesion from side contralateral to attachment.
• Micromanipulator on the endoscope, and stereotactic guidance frame.
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Terms
• Contralateral• Ipsilateral
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Endoscopic
• Pros• Comparable seizure
control (49% vs 54%)• Shorter length of stays
(4.1 vs 7.7 days)
• Cons• Short term memory
loss• Less working room
(bad for large lesions)• Thalamic infarct
reported (~85 % asymptomatic)
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Endoscopic
• Background
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Surgery From Above
• Endoscopic series• 37 patients with seizures refractory to 3+ AED’s (32/37 started as gelastic)• Mean age of onset approx 10 months of age• 62 % with IQ < 70• Always a contralateral approach
• Preferred when attached to one ventricle• Results
Ng, Rekate et al. Neurology 2008
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Surgery From Above
• Percent of disconnect/resection (measured by blinded radiologist)• Not statistically tied to seizure-free rate• 100% resection gave 100% seizure-free postop course in two-thirds (8 of 12)
• Compared to open approach• Shorter LOS endoscopic
• 4.5 versus 7.7 days
• Comparable seizure-free rates• 49 % vs. 54 % (endo vs. TC)
• Tumors smaller in endoscopic• 1.01 vs 2.43 cc (p=0.0322)
• Reasons to favor open approach• Larger tumors (>1.5 cm) with bilateral attachments
• Better for children younger than adolescent age
• 6 mm of space needed between top of tumor and roof of 3rd for endoscope
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Seizure control
Abla et al., AANS Philadelphia. May 3, 2010
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Outcome
• Seizure freedom: 29-49%• Seizure Reduction: 55-73%• In older patients, higher IQ correlated with better
chance of seizure freedom• Memory loss 8% permanent• Adults had more complications than children
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Complications
• Postoperative DI• Usually transient (< 1 week). DDAVP given in ICU
• Weight gain (satiety center = VMH)• 19% in open TC
• Short-term memory loss• Transient
• 58 % in TC group / 14 % in endoscopic group (< 2 wks)
• Permanent• ~ 8 % in both (2/26 and 3/37)Ng, Rekate et al. Epilepsia 2006
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SMALL LARGE
Type I OZ OZ
Gamma Knife (stable)
Type II Endoscopic Transcallosal
Gamma Knife (bilateral, clinically stable)
Type III Endoscopic +/- OZ ---
Gamma Knife (stable)
Type IV --- Staged : target main component 1st
BNI Treatment Paradigm
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Conclusions
• PROPER SELECTION
• No single approach is appropriate or advantageous for all patients
• Decisions individualized• Surgical anatomy• Presence of acute clinical deterioration
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A Special Thanks To Our Sponsors• Aesculap
• Barrow Neurological Institute @ St. Joseph’s Hospital
• Barrow Neurological Institute @ Phoenix Children’s Hospital
• Great Council for the Improved
• Hope for Hypothalamic Hamartoma Foundation
• KARL STORZ Endoskope