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Authors = Sergiusz Ustyniak

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9 pages, 1922 KiB  
Article
Circumferential Strain as a Marker of Vessel Reactivity in Patients with Intradialytic Hypotension
by Maciej Goździk, Sergiusz Ustyniak, Anna Zawiasa-Bryszewska, Agnieszka Płuciennik, Maja Nowicka, Magdalena Kaczmarska, Ludomir Stefańczyk and Ilona Kurnatowska
Medicina 2023, 59(1), 102; https://doi.org/10.3390/medicina59010102 - 2 Jan 2023
Viewed by 2210
Abstract
Background and Objectives: Intradialytic hypotension (IDH) complicates 4 to 39.9% of hemodialysis (HD) sessions. Vessels’ reactivity disturbances may be responsible for this complication. Two-dimensional speckle tracking is used to assess arterial circumferential strain (CS) as a marker of the effectiveness of the [...] Read more.
Background and Objectives: Intradialytic hypotension (IDH) complicates 4 to 39.9% of hemodialysis (HD) sessions. Vessels’ reactivity disturbances may be responsible for this complication. Two-dimensional speckle tracking is used to assess arterial circumferential strain (CS) as a marker of the effectiveness of the cardiovascular response to the reduction of circulating plasma. Materials and Methods: The common carotid artery (CCA) and common iliac artery (CIA) CSs were recorded using ultrasonography in 68 chronically dialyzed patients before and after one HD session. Results: In patients with IDH episodes (n = 26), the CCA-CS was significantly lower both before (6.28 ± 2.34 vs. 4.63 ± 1.74 p = 0.003) and after HD (5.00 (3.53–6.78) vs. 3.79 ± 1.47 p = 0.010) than it was in patients without this complication. No relationship was observed between CIA-CS and IDH. IDH patients had a significantly higher UF rate; however, they did not differ compared to complication-free patients either in anthropometric or laboratory parameters. Conclusions: Patients with IDH were characterized by lower pre- and post-HD circumferential strain of the common carotid artery. The lower CCA-CS showed that impaired vascular reactivity is one of the most important risk factors for this complication’s occurrence. Full article
(This article belongs to the Section Urology & Nephrology)
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4 pages, 962 KiB  
Case Report
Arterio-Bronchial Fistula as a Complication of Post-traumatic Subclavian Artery Pseudoaneurysm: Radiological Findings and Outcome
by Ludomir Stefańczyk, Marcin Elgalal, Sergiusz Ustyniak, Michał Polguj and Agata Majos
Adv. Respir. Med. 2019, 87(2), 110-113; https://doi.org/10.5603/ARM.2019.0017 - 2 Apr 2019
Cited by 1 | Viewed by 686
Abstract
Post-traumatic arterio-bronchial fistula is a rare cause of life-threatening hemorrhage. We present a case of a ten-year-old patient with a post-traumatic subclavian artery pseudoaneurysm complicated by an arterio-bronchial fistula and occlusion of the subclavian artery. The patient was treated with a stent-graft. We [...] Read more.
Post-traumatic arterio-bronchial fistula is a rare cause of life-threatening hemorrhage. We present a case of a ten-year-old patient with a post-traumatic subclavian artery pseudoaneurysm complicated by an arterio-bronchial fistula and occlusion of the subclavian artery. The patient was treated with a stent-graft. We present radiological images of the fistula and the evolution of the changes in subsequent follow-up examinations. Full article
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