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Contrast-enhanced computed tomography assisted diagnosis of bleeding caused by colonic angiodysplasia: A case report.
Medicine (Baltimore)
October 2024
Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China.
Article Synopsis
- Angiodysplasia (AD) is a vascular condition in the gastrointestinal tract that often causes lower GI bleeding, especially in the elderly, and can be challenging to detect during endoscopy.
- An 82-year-old woman with recurrent melena and anemia underwent various evaluations including contrast-enhanced CT scans, leading to a diagnosis of colonic AD after surgery.
- The case emphasizes that contrast-enhanced CT is a safer and more convenient diagnostic tool for identifying AD-related bleeding in frail, elderly patients compared to traditional methods.
Will Transformers change gastrointestinal endoscopic image analysis? A comparative analysis between CNNs and Transformers, in terms of performance, robustness and generalization.
Med Image Anal
January 2025
Department of Electrical Engineering, Video Coding & Architectures, Eindhoven University of Technology, Eindhoven, The Netherlands.
Gastrointestinal endoscopic image analysis presents significant challenges, such as considerable variations in quality due to the challenging in-body imaging environment, the often-subtle nature of abnormalities with low interobserver agreement, and the need for real-time processing. These challenges pose strong requirements on the performance, generalization, robustness and complexity of deep learning-based techniques in such safety-critical applications. While Convolutional Neural Networks (CNNs) have been the go-to architecture for endoscopic image analysis, recent successes of the Transformer architecture in computer vision raise the possibility to update this conclusion.
View Article and Find Full Text PDFEpidemiology and risk factors for angiodysplasias of the upper and lower gastrointestinal tract: A large population-based study.
Dig Liver Dis
August 2024
The Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir (Assaf Harofeh) Medical Center, School of Medicine Faculty of Medical and Health Sciences, Tel Aviv University, Zerifin, Israel.
Article Synopsis
- Gastrointestinal angiodysplasia (GIAD) is a rare condition, with an overall prevalence of 0.092%, primarily affecting older adults, particularly those aged 71-80, where the prevalence peaks at 0.37%.
- A study identified significant risk factors for GIAD, including liver cirrhosis, hypertension, and aortic stenosis, along with demographic factors like female gender, and noted that GIADs are less common in patients with malignancies.
- Understanding the associated clinical conditions and demographics of GIAD can aid in better recognizing its causes and developing effective treatment strategies for this rare gastrointestinal issue.
Persistent Gastrointestinal Bleeding after Aortic Valve Replacement in Heyde's Syndrome.
J Clin Med
August 2024
Faculty of Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania.
Heyde's syndrome (HS) represents an association between aortic stenosis and intestinal angiodysplasias, and it has been demonstrated that acquired von Willebrand disease plays a pivotal role in the pathophysiology of this syndrome. In patients with HS, von Willebrand factor deficiency represents an additional risk factor, further contributing to the risk of bleeding and anemia. We present the case of an 86-year-old patient diagnosed with HS and von Willebrand deficiency in 2018.
View Article and Find Full Text PDFNovel self-assembling peptide for management of bleeding associated with colorectal angiodysplasia.
Endoscopy
December 2024
Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan.
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