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A comparative analysis of CNNs and LSTMs for ECG-based diagnosis of arrythmia and congestive heart failure.
Comput Methods Biomech Biomed Engin
January 2025
Centre for Research Impact & Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, India.
Cardiac arrhythmias are major global health concern and their early detection is critical for diagnosis. This study comprehensively evaluates the effectiveness of CNNs and LSTMs for the classification of cardiac arrhythmias, considering three PhysioNet datasets. ECG records are segmented to accommodate around ∼10s of ECG data.
View Article and Find Full Text PDFEvaluating the Management of Intermittent Claudication before and after Publication of the Society of Vascular Surgery's Appropriate Use Criteria.
J Vasc Surg
January 2025
Division of Vascular and Endovascular Surgery, Department of Surgery, Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, MA. Electronic address:
Objectives: In April 2022, the Society for Vascular Surgery (SVS) published the Appropriate Use Criteria (AUC) for the management of intermittent claudication (IC). Our goal was to compare practice patterns before and after publication of the AUC to identify changes.
Methods: The Vascular Quality Initiative (VQI) peripheral vascular intervention (PVI), and suprainguinal, and infrainguinal bypass registries were analyzed for interventions for IC.
Clinical risk factors for mortality in low severity acute epidural hematoma.
Clin Neurol Neurosurg
January 2025
University of Illinois College of Medicine at Chicago, Chicago, IL 60612, USA; Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL 60612, USA. Electronic address:
Background: Epidural hematomas (EDH) pose life-threatening risks with considerable morbidity and mortality if left untreated. The prognosis for patients with low-severity acute EDH managed conservatively is variable, with limited understanding of risk factors. This study aims to identify clinical risk factors for mortality in low-severity acute epidural hematoma patients managed conservatively, helping clinicians recognize cases where deviation from conservative management may be necessary.
View Article and Find Full Text PDFRhodium-Catalyzed Homogeneous Asymmetric Hydrogenation of Naphthol Derivatives.
J Am Chem Soc
January 2025
National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China.
Due to their strong aromaticity and difficulties in chemo-, regio-, and enantioselectivity control, asymmetric hydrogenation of naphthol derivatives to 1,2,3,4-tetrahydronaphthols has remained a long-standing challenge. Herein, we report the first example of homogeneous asymmetric hydrogenation of naphthol derivatives catalyzed by tethered rhodium-diamine catalysts, affording a wide array of optically pure 1,2,3,4-tetrahydronaphthols in high yields with excellent regio-, chemo-, and enantioselectivities (up to 98% yield and >99% ee). Mechanistic studies with experimental and computational approaches reveal that fluorinated solvent 1,1,1,3,3,3-hexafluoroisopropanol (HFIP) plays vital roles in the control of reactivity and selectivity, and 1-naphthol is reduced via a cascade reaction pathway, including dearomative tautomerization, 1,4-hydride addition, and 1,2-hydride addition in sequence.
View Article and Find Full Text PDF"Breaking the Bleed" Spontaneous Hemorrhage in an Emphysematous Bulla Complicated by Anticoagulation: A Case Report.
Cureus
December 2024
Internal Medicine, Mercy Health St. Vincent Medical Center, Toledo, USA.
We present a case of spontaneous hemorrhage in an emphysematous bulla, complicated by anticoagulation. Bullous emphysema is a well-recognized complication of chronic obstructive pulmonary disease (COPD), and a rare manifestation is hemorrhage into preexisting pulmonary bullae. A 69-year-old male patient presented to the emergency department with hemoptysis, shortness of breath, and productive cough.
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