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Norepinephrine Infusion and the Central Venous Waveform in a Porcine Model of Endotoxemic Hypotension with Resuscitation: A Large Animal Study.
J Invest Surg
December 2025
Department of Surgery, University of Minnesota Twin Cities Medical School, Minneapolis, MN, USA.
Background: Venous waveform analysis is an emerging technique to estimate intravascular fluid status by fast Fourier transform deconvolution. Fluid status has been shown proportional to , the amplitude of the fundamental frequency of the waveform's cardiac wave upon deconvolution. Using a porcine model of distributive shock and fluid resuscitation, we sought to determine the influence of norepinephrine on of the central venous waveform.
View Article and Find Full Text PDFComparison of different guidance strategies to percutaneous coronary intervention: A network meta-analysis of randomized clinical trials.
Int J Cardiol
December 2024
Cardiothoracic and Vascular Department (DICATOV), IRCCS Ospedale Policlinico San Martino, Genova, Italy.
Article Synopsis
- The study evaluates various techniques for guiding percutaneous coronary intervention (PCI) to determine which yields the best patient outcomes.
- It analyzes data from 39 randomized trials involving over 29,000 patients, highlighting that intravascular imaging (like OCT and IVUS) and physiology-guided strategies (like FFR) significantly reduce cardiac death compared to traditional coronary angiography (CA).
- Overall, the results suggest that OCT is the most effective guidance method, leading to lower rates of myocardial infarction, stent thrombosis, and all-cause mortality compared to CA.
Surgical Morbidity following Planned Hysterectomy versus Conservative Management for Placenta Accreta Spectrum: A Systematic Review and Meta-analysis.
Am J Perinatol
December 2024
Division of Minimally Invasive Gynecology, Department of Obstetrics and Gynecology, Maimonides Medical Center, Brooklyn.
Objective: In recent years, the management of placenta accreta spectrum (PAS) has fallen into two categories: planned hysterectomy and conservative management to preserve fertility. However, optimal management remains unclear. Therefore, we conducted a systematic review and meta-analysis comparing the two to evaluate which approach was associated with lower surgical morbidity.
View Article and Find Full Text PDFUtilization and Outcomes Associated With Intravascular Ultrasound during Abdominal and Thoracic Endovascular Aortic Interventions in the United States in the Contemporary Era (2016-2023).
Circ Cardiovasc Interv
December 2024
Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA. (M.S., S.L., E.A.S.).
Background: Intravascular ultrasound (IVUS) use in aortic endovascular interventions, including thoracic endovascular aneurysm repair (TEVAR) and endovascular aneurysm repair (EVAR), may have similar benefits to those seen in coronary and peripheral interventions, but limited utilization and outcome data exist.
Methods: Centers for Medicare and Medicaid Services claims data were used to identify patients undergoing TEVAR and EVAR from 2016 to 2023. Utilization trends were stratified by region, urbanicity, distressed communities index, community versus academic center, Medicare versus dual enrollment status, indication, urgency, and presence of dissection with malperfusion.
Intravascular ultrasound-derived virtual fractional flow reserve in the superficial femoral artery.
CVIR Endovasc
December 2024
Department of Cardiovascular Medicine, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahimachi Abenoku, Osaka, 545-8585, Japan.
Background: Fractional flow reserve (FFR) can be estimated by analysis of intravascular imaging in a coronary artery; however, there are no data for estimated FFR in an extremity artery. The aim of this concept-generating study was to determine whether it is possible to estimate the value of peripheral FFR (PFFR) by intravascular ultrasound (IVUS) analysis also in femoropopliteal artery lesions.
Methods: Between April 2022 and February 2023, PFFR was measured before endovascular therapy in 31 stenotic femoropopliteal artery lesions.
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