icd lead extraction ba nov 2012 final
TRANSCRIPT
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Cuándo, a quién y cómo explanto un catéter de
desfibrilador
Sergio L. PinskiCleveland Clinic FloridaWeston, Florida, USA
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Simpler Classification of Simpler Classification of IndicationsIndications Infection Lead that represents a risk Need for venous conduit Superfluous lead during revision
or upgrade (abandoned or with failure)
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Conductor fracture secondary to compression
Insulation defect and conductor fracture secondary to pinching
Gradau et al. PACE 2003;26:649
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Insulation defect due to abrasion
Insulation defect due to traction from lead migration
Gradau et al. PACE 2003;26:649
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Figure 1
Hauser et al. Heart Rhythm 2011; 9:742
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Kaplan-Meier curve for all-cause lead removal or capping
Borleffs et al. Circ Arrhythm Electrophysiol 2009;2:411
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Kaplan-Meier curve for lead failure comparing all leads with the leads from Boston Scientific, Medtronic, and
St Jude Medical, grouped by lead diameter
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Strategies for ICD lead Strategies for ICD lead problemsproblems
Ignore it, reprogram around Repair lead Add pacing/sensing lead Add new defibrillation lead Extract and replace defibrillation
lead
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Wollman et al. PACE 2005;28:795
Problems with additional pectoral pace/sense lead
Observation/Complication Pectoral Leads
(n = 97)
No. (%)
Oversensing with inappropriate therapy 5 5.2
Oversensing only 4 4.1
Infection 2 2.1
High-voltage defect 5 5.2
Insulation defect
Sensing/pacing threshold/impedance value out of range 3 3.1
Fracture
Dislocation 1 1
Impossible upgrading to DDD because of vein thrombosis
Death in septicemia with vegetations on leads 1 1
Total 21 21.7
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Model 6949 High Voltage Conductor Survival after a Pace-Sense Conductor
Fracture
Months after a pace-sense conductor fracture
0 6 12 18 21
% survivalof HV conductors
100 98.7 89 80.3 77
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Potential Drawbacks of Potential Drawbacks of Abandoning Non-Infected Abandoning Non-Infected ICD LeadsICD Leads Lead “chatter” causing spurious shocks Insulation breach in pocket causing
electrical shorting during high-voltage shock and generator damage
Large diameter could promote venous obstruction (SVC syndrome) or tricuspid regurgitation
Extraction will be very difficult if needed down the road
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Epstein et al. Circulation 1998;98:1517
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Epstein et al. Circulation 1998;98:1517
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Epstein et al. Circulation 1998;98:1517
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Epstein et al. Circulation 1998;98:1517
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Epstein et al. Circulation 1998;98:1517
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Hauser et al. Europace 2010;12:395
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Wollman et al. JCE 2007;18:1172
Perioperative complications after ICD lead replacement
Additional ICD lead
(n = 33)
Replaced ICD lead
(n = 53)
% %
Lead dislodgement 3.1
Pneumothorax 6.3 5.7
Pericardial effusion 3.1 1.9
Pocket hematoma 3.1 3.6
Pleural effusion 3.1
Incomplete extraction 3.6
Total 18.2 15.1
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REPLACE: major complications by lead addition or revision.
Poole J E et al. Circulation 2010;122:1553-1561
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Factors to ConsiderFactors to Consider Patient age and gender (elderly women higher
risk) Overall health Previous cardiac surgery Number of leads in the intravascular space Duration of the implant Fragility, condition, and physical characteristics of
the lead Experience of the physician Desires of the patient
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My “Rules of Thumb”My “Rules of Thumb”
No more than 5 leads through SVC No more than 4 leads from one
side No more than one defibrillation
lead
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Figure 1
Subacute lead perforation
Danik et al. Heart Rhythm 2008;5:1667
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Figure 1
Generator exchange is associated with an increased rate of
Fidelis lead failure
Lovelock et al. Heart Rhythm 2012;9:16157
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What to do during elective What to do during elective replacement upgrade of ICD with replacement upgrade of ICD with not failed Fidelis lead?not failed Fidelis lead?
“Benign neglect” “The minimalist” New pace-sense lead “The next fool’s problem” New ICD lead “The all-the-way out” Extraction and
new lead “The switch” -LV lead in RV port “The downgrade” CRTP, no risk of
spurious shocks
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Programmable sensing vector in new MDT ICDs
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Patient “downgraded” from CRTD to CRTP 13 months ago. Fidelis lead programmed unipolar pace/sense. Lead fracture to the tip diagnosed during routine clinic check.
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BiV capture
Native LBBB
LV pacing with fusion
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Physicians who perform lead Physicians who perform lead extraction change their extraction change their implant techniquesimplant techniques
Use leads with excellent long-term track records.
Exclusive use of active-fixation leads Avoid dual-coil defibrillation leads Use leads “easier” to extract
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Azygous vein coil for high defibrillation threshold
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