quo vadis cardiovascular surgery · (lateralized cva). •the mortality and morbidity of longerarch...
TRANSCRIPT
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Joseph E. Bavaria, MDRoberts-Measey Professor of Surgery
Vice Chair, Division of Cardiovascular SurgeryUniversity of Pennsylvania
Immediate Past-President; Society of Thoracic Surgeons (STS)
Quo Vadis Cardiovascular Surgery:The Role of Open and Endovascular Techniques in the future (21st Century)
Aorta Live; Hamburg, Germany 2017
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Proximal Aortic Surgery in 21st Century
•I’m here to “Set Up” this excellent Session!!
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Proximal Aortic Surgery in 21st Century
•I’m ALSO here to tell you that we are at the beginning of a Revolution
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Aortic Arch Surgery in 21st Century
• Recently, We (The Aorta Community) spent much energy and time trying to “Optimize” and answer the Question: What is the best Circulation Management Technique during Aortic Arch Reconstruction?
– Temperature– HCA, RCP, ACP, Unilateral, Bilateral, etc.
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The “Optimization” revolved around:What is the KEY CONCEPT Regarding Circulation Management of the Open Aortic Arch???
• The mortality and morbidity of SHORT arch reconstructive times (<30-35min) is EMBOLIC(lateralized CVA).
• The mortality and morbidity of LONGER arch reconstructive times (>35-40min) is GLOBALneurological deficit.
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Aortic Arch Surgery in 21st Century
• General Consensus on Circulation Management– Tepid Temperatures are reasonable with “good” ACP
technique– ACP thought to be best, RCP reasonable especially for
Short Arch reconstructive times, HCA Alone should be abandoned.
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OnCirculationManagement:CerebralOximetry
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Aortic Arch Surgery in 21st Century
• Recently, We spent much energy and time trying to “Optimize” and answer the Question: What is the best Circulation Management Technique during Aortic Arch Reconstruction?
• But Now: We are Changing Practices and Developing Reconstructive Operations …….
• Based on the Availability of New Devices. New Technology!!
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Proximal Aortic Surgery in 21st Century
•Aneurysm
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Proximal Aortic/Arch Aneurysm: Future
CT Chest, Ascending Ao SAX
Ascending Aorta and Arch
IA LCAAsc Ao
Des Ao
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Aortic Arch Surgery in 21st Century: Aneurysm• All open (proximal) operations will be performed with an
“Attitude” looking towards Distal TEVAR Solutions.
• The Classic elephant trunk will be rare
• FET will be victorious
• All “Conduct of Operation” will be geared towards “Proximalization” into Zones 2,1,and 0
– The (New) Debranching conceptZone 2
Zone 0
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The Arch in Acute Type A Dissection?• What is State of the Art ……. Now/Future??
Original Video Courtesy of J. Bavaria
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Cause of death Treatment
Acute CHF due to AI Aortic valve resuspension
Coronary malperfusion Aortic root repair
Cerebral malperfusion Arch replacement
Free Ascending rupture Asc aortic replacement
Fate of Distal Descending Aorta!
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¡ R. Fattori et al. : Evolution of Aortic Dissection after Surgical Repair; Am J Cardiol 2000.§ Follow-up 12 to 90 month (58 pat.): 77,5% patent false lumen§ Year aortic growth rate: 0,56 cm PDFL vs. 0,11 cm TFL§ During 7 year period: 27,5 % re-op due to increasing diameter
¡ Barron DJ et al.: Twenty year follow-up of acute type A dissection: the incidence and extend of distal aortic disease using MRI. J Card Surg 1997.§ Follow-up 60 month (87 pat.): 72 % patent false lumen§ Most common cause for late death: related to distal aortic
disease
Do we have a problem withthe downstream aorta ??
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¡ Bavaria et al, 2007 (USA), 26% Reoperation at 12 years§ Included Debakey II
¡ Ishihara et al, 2009 (Japan), 27% Aortic Events at 5 years¡ DeBartolomeo et al, 2001 (Italy), 27% Reoperation at 7
years¡ Griepp et al, (USA), 16% reoperation at 8 years
§ Included Debakey II¡ Glauber and Murzi, 2010 , 39% reoperation at 10 years
(proximal and distal)
Senior Surgeon Series
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J Thorac Cardiovasc Surg 2002;123:318-325.
39% reoperation rate at 10 years
Glauber, Murzi, et al; 2010:
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2007 2009
53y.omale
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Rapidly Expanding False lumenLarger Tear site = More Time Averaged Wall Shear StressE.Shang, B.Jackson, J.Bavaria, et al (JVS 2015)
Rapid Expansion
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Do we have a problem with the distal aorta after repair of acute type A dissection? ….
YESEspecially if we use a COMPOSITE function of Index Operation Failure: 1. Aortic Death; 2. Reoperation; 3. Aneurysm > 6.0 cm.
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What can we do??What Options are available??
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STS San Diego, Jan 2015
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Not worry about it: The Hemi-Arch (+/-Root)
AggressiveHemi-Archwith“feltNeo-Media”Reconstruction
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Total Arch +/- Elephant Trunk with 4-branch graftSelective ACP
Siena Graft
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“More Proximal” Aortic Arch Surgery ENABLING later TEVAR if anatomy Suitable
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77% of Stented Descending Aorta cases with Obliterated False Lumen vs only 25% for Standard hemi-Arch Repair
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Let’s look at these
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Aortic Arch Surgery in 21st Century
•The Future Arch Treatment “Civil War” ….
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Desai, Bavaria (First presented) STS 2015; AATS 2016 JTCVS 2017 (in press)
TBE
Mona LSA
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Zone 2 TBE (12 mm Portal) in “Residual” Type A Dissection (Downstream Aorta) 10 days
Side branch sheath positioned in LSANote nice horizontal access
3 cm Dacron LZ previously constructed with Zone 2 Arch (10 days earlier)
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The “Classic” Type A Operation is under Siege!! There are reasonable arguments to “extend” the operation BOTH distally and proximally….However, The Arch and Distal imperative is MORE IMPORTANT!!
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¡ There are Multiple Ways to manage the ARCH in an Acute Type A Dissection
¡ My Prediction on the future based on our data, our increased sophistication, and the available technology:§ In Patients with < 10-15 years life expectancy (>65) ….. Use Classic Hemi-
Arch§ In Patients with an arch tear or distal Malperfusion ……. FET§ In patients < 65 and stable …….. Zone 2 Arch with possible (60%)
SEQUENTIAL Arch branch TEVAR
¡ Coming to you SOON!
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MM. Levack , JE. Bavaria , RC. Gorman , JH. Gorman III , LP. Ryan. The Annals of Thoracic Surgery Volume 95, Issue 6 2013 e163 - e165.
Rapid Supra-Aortic Arch Vessel Anastomosis Using the Gore “Hybrid” Prostheses (90 seconds and better!!)
Courtesy of Jim Williams, Peoria IL
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Gore Zone 0 TBE
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Endovascular Arch Repair ?
Gore Zone 0 TBE
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¡ Isolated Arch Pathology?
¡ Arch Pathology WITH Ascending Pathology?
¡ Arch Pathology WITH Root/Valve Pathology?
¡ Arch Pathology as a Proximal extension of Descending pathology?
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Aortic Arch Surgery in 21st Century
• This anatomy only represents 1-3% of ALL ARCH cases
There is already a TOTAL TEVAR (Endo) Solution for this anatomy
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Courtesy of Bolton Medical
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Cook Branched Arch GraftCourtesy of Cherrie Abraham, MD, Montreal, Canada
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¡ Isolated Arch Pathology?
¡ Arch Pathology WITH Ascending Pathology?
¡ Arch Pathology WITH Root/Valve Pathology?
¡ Arch Pathology as a Proximal extension of Descending pathology?
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Zone 0 Landing: Achilles Heal??
Most “Arch TEVAR” will be Secondary or Sequential to PROXIMAL OPERATION DACRON
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Aortic Arch Surgery in 21st Century
•There are Significant Proximal Landing Zone Issues
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Giant Fusiform Thoracic Aortic Aneurysm:Isolated Arch Endograft?? Where’s the LZ??
CT Chest, Ascending Ao SAX
Ascending Aorta and Arch
IA LCAAsc Ao
Des Ao
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May Want to Replace Ascending Aorta?! Innominate
Distal LZ??
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Bicuspid Valve Phenotype Aorta: Isolated Arch TEVAR?? ….. Where’s the LZ??
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Water Hammer Pulse AI Aneurysm:Major LZ Issue!!
+3 AI BAV Aneurysm
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¡ Long Term TEVAR stability will possibly have issues
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Aortic Arch Surgery in 21st Century
•Despite all of That!!
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The Future of Ascending TEVAR?: Repair of Ascending Aneurysm Trans-Apically with Stent Graft
Pre Post
Szeto, Bavaria, et al; AnnThorSurg 2010
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Valiant Captiva46x46x80 mm
Medtronic Ascending EndograftFDA Physician IDE (Type A Dissection)
Courtesy of Khoynezhad/White; Cedars-Sinai /UCLA
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Proximal Aortic Surgery in 21st Century
•The Audit Function– Data and Outcomes
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Presentation of a NewlyDesigned Thoracic Aortic Surgery Database:A Report from the STS Adult Cardiac Surgery Database
Nimesh D.DesaiMD.PhD.,E.Chen,M.D.,J.Bavaria,MDonBehalfoftheSTSAorticSurgeryTaskForce(FirstreportedattheJan.2017STSAnnualMtg,Houston,TX)
Open and TEVAR Surgery
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Proximal Aortic Surgery in 21st Century
•Conclusions
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Proximal Aortic Surgery in 21st Century:• Index Proximal operations will be driven and concieved by the
NEW Availability of New Technology Endografts– Zones 0,1, and 2 TEVAR Branched Arch grafts
• “Proximalization” of the Conduct of Operation” will continue (reduced Nerve injury and Collateral Network friendly)
• Supra-Aortic Vessel anastomosis will also improve with Technology … Much faster and easier
Zone0
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Proximal Aortic Surgery in 21st Century:
• Index Operation “Tactics” will be driven to REDUCE Total CPB TIME (more important than Circ Arrest time)
• It’s too early to have Guidelines on Aortic ARCH Surgery!!– Very (Too) Dynamic at this Stage– The only thing we should do is “Outlaw” HCA alone
• Better Outcomes Data (Global)
Zone0
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Questions?
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Thomas Eakins: Gross Clinic (1878@JEFF) and Agnew Clinic (1888@PENN)
Great Progress in 10 years!
Thank You