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ST-Segment Elevation Myocardial Infarction in the Morbidly Obese: Use of the "Offloading" Technique

Bangalore, Sripal; Koshy, Linda; Alviar, Carlos; Thompson, Craig; Keller, Norma
PMID: 33744208
ISSN: 1876-7605
CID: 4822092

Protected Rotational Atherectomy and DK NanoCrush POT rePOT Technique With Dual Guiding Catheters for Unprotected Distal Left Main

Bangalore, Sripal; Koshy, Linda; Keller, Norma; Thompson, Craig
PMID: 33069655
ISSN: 1876-7605
CID: 4641862

Differential radiation exposure to interventional cardiologists in the contemporary era [Meeting Abstract]

Koshy, L M; Iqbal, S; Xia, Y; Serrano, C; Feit, F; Smilowitz, N R; Bangalore, S; Thompson, C A; Razzouk, L; Attubato, M; Shah, B
Background: Exposure to low-dose ionizing radiation is associated with malignancies. Lead garment specifications in the cardiac catheterization laboratory are not currently regulated, potentially resulting in unprotected areas.
Method(s): Interventional cardiology attendings and fellows wore 7 dosimeters, one externally on the thyroid shield and six inside the lead apron: bilateral axilla, chest wall, and pelvis. Radiation protection included a lower table-mounted lead drape, upper ceiling-mounted lead shield, and use of 7.5 frames per second during fluoroscopy. All procedures were performed with operators standing to the right of the patient. The primary endpoint was operator radiation exposure to the left versus right axilla. Radiation exposures in millirem (mrem) per participant over the study period are shown as median [interquartile range] and compared between left- and right-sided measures using paired Wilcoxon tests.
Result(s): Nine participants (66% female) wore dosimeters during 231 cases. Transradial coronary angiography was selected in 81.1% of cases and PCI was performed in 32.1%. A sterile radiation drape placed on the patient abdomen was used in 18.6% of cases. Median dose area product and fluoroscopy time for the participants ranged from 29.0-60.5 Gy cm2 and 6.2-13.5 minutes, respectively. Radiation exposure at the left axilla was higher than the right axilla (5 vs. 0.9 mrem, p=0.018) but did not differ between left or right chest wall and left or right pelvis (Figure).
Conclusion(s): This analysis demonstrates insufficient protection in the left axillary area. The use of additional left axillary protection should be evaluated. (Figure Presented)
EMBASE:632520456
ISSN: 1522-726x
CID: 4558522

Comparison of Radial Access, Guided Femoral Access, and Non-Guided Femoral Access Among Women Undergoing Percutaneous Coronary Intervention

Koshy, Linda M; Aberle, Laura H; Krucoff, Mitchell W; Hess, Connie N; Mazzaferri, Ernest; Jolly, Sanjit S; Jacobs, Alice; Gibson, C Michael; Mehran, Roxana; Gilchrist, Ian C; Rao, Sunil V
OBJECTIVES:This study was conducted to determine the association between radial access, guided femoral access, and non-guided femoral access on postprocedural bleeding and vascular complications after percutaneous coronary intervention (PCI). BACKGROUND:Bleeding events and major vascular complications after PCI are associated with increased morbidity, mortality, and cost. While the radial approach has been shown to be superior to the femoral approach in reducing bleeding and vascular complications, whether the use of micropuncture, fluoroscopy, or ultrasound mitigates these differences is unknown. METHODS:We conducted a post hoc analysis of women in the SAFE-PCI for Women trial who underwent PCI and had the access method identified (n = 643). The primary endpoint of postprocedure bleeding or vascular complications occurring within 72 hours or at discharge was adjudicated by an independent clinical events committee and was compared based on three categories of access technique: radial, guided femoral (fluoroscopy, micropuncture, ultrasound), or non-guided femoral (none of the aforementioned). Differences between the groups were determined using multivariate logistic regression using radial access as the reference. RESULTS:Of the PCI population, 330 underwent radial access, 228 underwent guided femoral access, and 85 underwent non-guided femoral access. There was a statistically significant lower incidence of the primary endpoint with radial access vs non-guided femoral access; however, there was no significant difference between radial approach and femoral access guided by fluoroscopy, micropuncture, or ultrasound. CONCLUSIONS:This post hoc analysis demonstrates that while radial access is safer than non-guided femoral access, guided femoral access appears to be associated with similar bleeding events or vascular complications as radial access.
PMID: 29035844
ISSN: 1557-2501
CID: 2985222