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Bilateral Forearm Approach for Bilateral Forearm Approach for ppppSubclavianSubclavian Artery total occlusion Artery total occlusion
intervention under Filter wire intervention under Filter wire protectionprotectionprotectionprotection
Division of Cardiology, Division of Cardiology, Kaohsiung Chang GungKaohsiung Chang GungKaohsiung Chang Gung Kaohsiung Chang Gung
Memorial Hospital, TaiwanMemorial Hospital, Taiwan
Clinical HistoryClinical HistoryClinical HistoryClinical History
A 76A 76--yearyear--old femaleold femaleRisk Factor : HypertensionRisk Factor : HypertensionRisk Factor : HypertensionRisk Factor : HypertensionPresented with Presented with –– Frequent dizziness with left arm weaknessFrequent dizziness with left arm weakness–– Right arm soreness (Right arm BP : 106/71 Right arm soreness (Right arm BP : 106/71 g ( gg ( g
mmHg and Left arm BPmmHg and Left arm BP : 165/81mmHg): 165/81mmHg)2D echocardiography:2D echocardiography:2D echocardiography: 2D echocardiography: –– Adequate LV performanceAdequate LV performance–– LVEF= 73 %LVEF= 73 %
EKGEKGEKGEKG
Sinus rhythm
Brain MRIBrain MRIBrain MRIBrain MRI
Carotid duplex showed right common carotid artery 70% stenosisCarotid duplex showed right common carotid artery 70% stenosisCarotid duplex showed right common carotid artery 70% stenosis Carotid duplex showed right common carotid artery 70% stenosis but Brain MRI showed 50% stenosis over right common carotid but Brain MRI showed 50% stenosis over right common carotid artery; Right artery; Right subclaviansubclavian artery total occludedartery total occluded
StrategyStrategyStrategyStrategy
Diagnostic coronary angiographyDiagnostic coronary angiographyDiagnostic carotid angiographyDiagnostic carotid angiographyDiagnostic carotid angiographyDiagnostic carotid angiographyCarotid artery stenting if neededCarotid artery stenting if neededRevascularizeRevascularize and stenting right and stenting right subclaviansubclavian artery via bilateral approachartery via bilateral approachsubc a asubc a a a te y a b ate a app oaca te y a b ate a app oac
Retrieve of Filter WireRetrieve of Filter WireRetrieve of Filter WireRetrieve of Filter Wire
Final AngiogramFinal AngiogramFinal AngiogramFinal Angiogram
Good final TIMI 3 flow to Right Subclavian artery
Final Pressure GradientFinal Pressure GradientFinal Pressure GradientFinal Pressure Gradient
No more pressure gradient between bilateral arm
Take Home MessageTake Home MessageTake Home MessageTake Home Message
SubclavianSubclavian artery total occlusion is one of the artery total occlusion is one of the leading cause of bilateral forearm blood leading cause of bilateral forearm blood pressure discrepancypressure discrepancyBilateral forearm approach is feasible and safety Bilateral forearm approach is feasible and safety yyin in subclaviansubclavian artery interventionartery interventionFilter wire protection in internal carotid arteryFilter wire protection in internal carotid arteryFilter wire protection in internal carotid artery Filter wire protection in internal carotid artery may protect distal embolization while performing may protect distal embolization while performing PTA toPTA to subclaviansubclavian arteryarteryPTA to PTA to subclaviansubclavian arteryarteryUtilized CTO technique like contraUtilized CTO technique like contra--lateral lateral injection may achieve final successinjection may achieve final successinjection may achieve final successinjection may achieve final success