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Early experiences of endovascular aneurysm repair for ruptured abdominal aortic aneurysms
Dayoung Ko,박형섭,Jang Yong Kim,Daehwan Kim,Taeseung Lee 대한외과학회 2019 Annals of Surgical Treatment and Research(ASRT) Vol.96 No.3
Purpose: The use of endovascular aneurysm repair (EVAR) for ruptured abdominal aortic aneurysms (r-AAA) is steadily increasing. We report early experiences of EVAR for r-AAA performed in two tertiary referral centers in Korea. Methods: We retrospectively reviewed r-AAA patients treated by EVAR from May 2013 to December 2017. An EVAR-first strategy for r-AAA was adopted whenever feasible. The demographic information, anatomic characteristics, operative details, postoperative complications with special attention to abdominal compartment syndrome (ACS), and 30-day mortality were collected and analyzed. Results: We identified 13 patients who underwent EVAR for r-AAA. Mean age was 74.2 years and mean AAA size was 74.2 mm. Two patients underwent cardiopulmonary resuscitation at initial presentation. Bifurcated stent grafts were used in 12 out of 13 cases and physician-modified endografts with fenestrated/chimney techniques were performed in 2 cases with short neck. Successful stent graft deployment was achieved in all cases. Three patients were suspected of having ACS and 2 of them underwent laparotomy for decompression. The 30-day mortality was 7.7% (1 of 13), the only mortality being a patient that refused decompressive laparotomy for suspected ACS. Conclusion: Despite the small numbers, the outcomes of EVAR for treatment of r-AAA were very promising, even in selected cases with unfavorable anatomy. These outcomes were achieved by a dedicated and well-trained team approach, and by use of high-end angiographic technology. Finally, ACS after EVAR is not uncommon, and requires a high index of suspicion as well as liberal use of decompressive surgery.
Lee, Dayoung,Lim, Chang Su,Ko, Gyeongju,Kim, Dayoung,Cho, Myoung Ki,Nam, Sang-Jip,Kim, Hwan Myung,Yoon, Juyoung American Chemical Society 2018 ANALYTICAL CHEMISTRY - Vol.90 No.15
<P>In this study, we developed a two-photon fluorescent probe for detection of peroxynitrite (ONOO<SUP>-</SUP>) near the <I>N</I>-methyl-<SMALL>D</SMALL>-aspartate (NMDA) receptor. This naphthalimide-based probe contains a boronic acid reactive group and an ifenprodil-like tail, which serves as an NMDA receptor targeting unit. The probe displays high sensitivity and selectivity, along with a fast response time in aqueous solution. More importantly, the probe can be employed along with two-photon fluorescence microscopy to detect endogenous ONOO<SUP>-</SUP> near NMDA receptors in neuronal cells as well as in hippocampal tissues. The results suggest that the probe has the potential of serving as a useful imaging tool for studying ONOO<SUP>-</SUP> related diseases in the nervous system.</P> [FIG OMISSION]</BR>