Aortoiliac occlusive disease (AIOD) is non-inflammatory obstructive vasculopathy commonly affecting patients with advanced atherosclerosis, diabetes mellitus, or elevated cholesterol levels, and subjects with other risk factors such as cigarette smoking.Two Caucasian patients (a 55-year-old woman and a 56-year-old man), with ulcerous cutaneous lesions of AIOD are reported. In both cases, medical history comprises initial lower limb claudication, multiple painful ulcers along the legs and absence of superficial femoral artery pulse. Severe obstruction of both infrarenal aorta and iliac arteries on the left side was demonstrated by contrast angiography and Doppler ultrasonography.The evolution of the disease showed some characteristic findings, including pyoderma gangrenosum-like ulcerations as the initial cutaneous manifestation of AIOD, multiple painful ulcers along the lower extremities, and aorto-iliac occlusive disease due to atherosclerosis.Early diagnosis and surgical reconstruction of vessels in patients with AIOD improved quality of life and limb salvage rates.
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http://dx.doi.org/10.3897/folmed.64.e64221 | DOI Listing |
Phytomedicine
December 2024
Hebei Key Laboratory of Critical Disease Mechanism and Intervention, Department of Pathophysiology, Neuroscience Research Center, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China. Electronic address:
Background: In China, stroke is the primary cause of adult death and disability. Because of the increased rate of blood vessel reperfusion, it is important to prevent cerebral ischemia-reperfusion injury, in which glutamate (Glu) excitotoxicity plays a critical role. The most important Glu transporter, GLT-1, is essential for the regulation of Glu, which is dependent on Na-K-ATPase (NKA)-induced ion concentration gradient differences.
View Article and Find Full Text PDFThe guide extension-facilitated ostial stenting (GEST) technique uses a guide extension catheter (GEC) to improve stent delivery during primary coronary angioplasty (PCI). GECs are used for stent delivery into the coronary arteries of patients with difficult anatomy due to tortuosity, calcification, or chronic total occlusion (CTO) vessels. Stent and balloon placement has become challenging in patients with increasing lesion complexity due to tortuosity, vessel morphology, length of the lesion, and respiratory movements.
View Article and Find Full Text PDFThe Circle of Willis (CW) is a critical cerebrovascular structure that supports collateral blood flow to maintain brain perfusion and compensate for eventual occlusions. Increased tortuosity of highrisk vessels within the CW has been implicated as a marker in the progression of cerebrovascular diseases especially in structures like the internal carotid artery (ICA). This is partly due to age-related plaque deposition or arterial stiffening.
View Article and Find Full Text PDFPediatr Blood Cancer
January 2025
Division of Pediatric Hematology & Oncology, University Hospitals Rainbow Babies & Children's Hospital, Cleveland, Ohio, USA.
Background: The clinical manifestations of sickle cell disease (SCD) result in significant morbidity and healthcare costs. The effect of weather as a risk factor for the development of vaso-occlusive episodes (VOEs) has been previously studied, although with variable results. The aim of our retrospective, nationwide study was to determine the association between weather patterns and pediatric VOE and acute chest syndrome (ACS).
View Article and Find Full Text PDFACS Appl Bio Mater
January 2025
Department of Radiology, University of Minnesota, Minneapolis, Minnesota 55455, United States.
Transarterial embolization (TAE) is an image-guided, minimally invasive procedure for treating various clinical conditions by delivering embolic agents to occlude diseased arteries. Conventional embolic agents focus on vessel occlusion but can cause unintended long-term inflammation and ischemia in healthy tissues. Next-generation embolic agents must exhibit biocompatibility, biodegradability, and effective drug delivery, yet some degradable microspheres degrade too quickly, leading to the potential migration of fragments into distal blood vessels causing off-target embolization.
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