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Viscosity Characteristics of Ideal Lubricants to Reduce Stress on Intestinal Mucosa During Balloon-Assisted Enteroscopy.
Macromol Biosci
December 2024
Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 6028566, Japan.
Article Synopsis
- Balloon-assisted enteroscopy (BAE) is an invasive procedure with risks like pain and perforation, but using lubricants can help reduce these risks.
- A study developed a model using human small intestines to measure dynamic friction coefficients (DFC) and find the ideal viscosities for low-friction lubricants.
- The results indicate that the viscosity of lubricants (0.20-0.32 Pa·s for overtube and 0.35-0.58 Pa·s for endoscopic shaft) significantly reduces DFC, suggesting that appropriate lubricants can make BAE less invasive.
Successful embolization of a primary bronchial artery racemose hemangioma by the ingenious use of a microballoon catheter.
Radiol Case Rep
October 2024
Department of Radiology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan.
Article Synopsis
- Primary racemose hemangioma of the bronchial artery (RHBA) is a rare congenital condition involving enlarged bronchial arteries that may form abnormal connections with other blood vessels.
- A case study reports successful balloon-assisted embolization for a 57-year-old asymptomatic woman with RHBA, utilizing a specialized catheter system to precisely deliver a treatment mixture to the affected areas.
- This method is preferred to prevent the risk of artery rupture caused by the dilated vessels, effectively guiding treatment while controlling blood flow.
Intermediate catheter use is associated with intraprocedural rupture during coil embolization of ruptured intracranial aneurysms: a retrospective propensity score-matched study.
Front Neurol
July 2024
Department of Neurosurgery, The Jikei University School of Medicine, Tokyo, Japan.
Article Synopsis
- - The study investigates the potential risk of intraprocedural rupture (IPR) during coil embolization of ruptured intracranial aneurysms (RIAs) when using an intermediate catheter (IMC) compared to not using one.
- - A retrospective analysis of 195 aneurysms in 192 patients over 16 years found that the incidence of IPR was significantly higher in the IMC group (14.0% vs. 3.3%) and remained higher (23.1% vs. 3.8%) even after controlling for other variables.
- - The authors suggest that surgeons should exercise increased caution and care when using IMCs to prevent IPR during the embolization process.
Clinical and Hemodynamic Features of Aneurysm Rupture in Coil Embolization of Intracranial Aneurysms.
Diagnostics (Basel)
June 2024
Department of Neurosurgery, Brain Research Institute, Niigata University, 1-757 Asahimachi-Dori, Niigata 951-8585, Japan.
Intraprocedural rupture (IPR) during coil embolization (CE) of an intracranial aneurysm is a significant clinical concern that necessitates a comprehensive understanding of its clinical and hemodynamic predictors. Between January 2012 and December 2023, 435 saccular cerebral aneurysms were treated with CE at our institution. The inclusion criterion was extravasation or coil protrusion during CE.
View Article and Find Full Text PDFBalloon-Assisted Stent Visualization: A Simple Technique for Precise Measurement of Previously Placed Stent Diameter.
Asian J Neurosurg
March 2024
Department of Neurosurgery, Saiseikai Shiga Hospital, Imperial Gift Foundation Inc., Ritto, Shiga, Japan.
Article Synopsis
- * A specific case involved a 50-year-old male whose aneurysm re-enlarged after multiple treatments, and the use of a balloon helped accurately visualize the existing stent during retreatment.
- * The successful procedure included adding new coils and a second stent, which resulted in no new neurological problems post-surgery, suggesting that balloon-assisted stent visualization could be a beneficial technique for planning future treatments.
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