Abstract
BackgroundLarge bore arterial hemostasis for emergent MCS initiation in cardiogenic shock and during failures of suture mediated vascular closure devices (VCD) necessitates dry/post-closure technique for successful closure. Use of the alternative MANTA fluoroscopic DOT technique, without depth finder, as post closure and as ‘bail-out’ in this high-risk patient population is described. MethodsAll patients who underwent emergent percutaneous transfemoral MCS initiation, without use of upfront sutured-mediated pro-glide VCDs, and procedures where proglide-perclose technique (PPT) failed to achieve hemostasis were post-closed with the alternative MANTA fluoroscopic DOT technique (without depth finder) as primary method or as ‘bail-out’.Patient related factors, cardiovascular co-morbidities, clinical indication, distribution of 14F versus 18F MANTA, and types of procedures obtained. Primary outcomes of access site related acute flow-limiting limb ischemia or bleeding requiring intervention analyzed. Results27 patients met inclusion criteria; mean age 64 years, majority male 19 (70 %), more than half obese (56 %) with mean BMI 31.06 kg/m2. 22 (81 %) had emergent MCS initiation and 5 (19 %) PPT hemostasis failures. Types of percutaneous MCS support included; 11 (44 %) Impella CP, 2 (7 %) 15F arterial ECMO, 6 (22 %) 17F arterial ECMO, 4 (15 %) 19F ECMO. All achieved hemostasis utilizing alternative MANTA fluoroscopic DOT technique without vascular complications of bleeding or acute ischemic limb. ConclusionThe alternative MANTA fluoroscopic DOT technique (without depth finder) can be successfully applied as post-closure for emergent MCS support delayed hemostasis and as bail-out for per-close suture mediated VCD failures for large bore arterial hemostasis.
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