Publications by authors named "Okusako Ryo"
Article Synopsis
- * Out of 282 surgeries, 22 were performed on patients with connective tissue disease, revealing that these patients experienced lower limb salvage rates (75% vs. 94%) and wound healing rates (52% vs. 86%) after 12 months compared to those with arteriosclerosis.
- * The findings suggest that patients with CLTI due to connective tissue disease have poorer outcomes after distal bypass, indicating the need for more targeted approaches in their treatment.
Article Synopsis
- This study investigates the hemodynamics (mean pressure gradient and fractional flow reserve) at residual dissections after drug-coated balloon angioplasty for the superficial femoral artery, addressing a gap in knowledge about this treatment.
- It analyzes 59 cases of residual SFA dissection, categorizing them into six types and measuring pressure changes and blood flow reserve following the procedure.
- Results indicate that low-grade dissections (types A and B) do not significantly impact hemodynamic outcomes, suggesting that additional stenting may not be necessary in these cases, while further research is needed for higher-grade dissections (type C).
Objectives: The 2019 Global Vascular Guidelines recommended open bypass for patients at average risk with greater limb severity and anatomical complexity. However, the outcomes of tibial and pedal bypass (TPB) are inferior to those of above-the-knee surgical revascularization. This may be due to the technical difficulty and need for development of skills to perform TPB.
View Article and Find Full Text PDFObjectives: Many factors affect long-term outcomes after open bypass in patients with chronic limb-threatening ischemia (CLTI). Ambulatory status has been suggested to be associated with clinical outcomes, but there is limited knowledge on the effect of gait speed on outcomes. The purpose of this study is to evaluate the effect of gait speed assessed in a 6-min walk test (6MWT) on outcomes after crural and pedal bypass in patients with CLTI.
View Article and Find Full Text PDFBackground: A recent randomized control study showed that long-term outcomes after surgical revascularization were superior to those after endovascular treatment for cases with chronic limb-threatening ischemia (CLTI) with an appropriate single-segment great saphenous vein. However, surgical site infection (SSI) in CLTI cases after infrapoplital bypass also resulted in a prolonged hospital stay and poor outcomes, including graft disruption. The aim of the current study was to analyze risk factors for SSI in CLTI patients after distal bypass and to compare outcomes in patients with and without SSI.
View Article and Find Full Text PDFObjectives: A team approach for treatment of patients with CLTI is used worldwide. However, the quality of team medicine is a concern. The Global Vascular Guidelines provide recommendations for high quality team medicine, but there is limited knowledge of the significance of team quality in CLTI treatment.
View Article and Find Full Text PDFAn 83-year-old woman with congestive heart failure due to severe mitral regurgitation was referred to our department. Because acute coronary syndrome was suspected, the patient underwent emergent coronary artery angiography, which showed 75% stenosis of segment 2 and 90% stenosis of segment 11. Subsequently, segment 11 was treated by percutaneous coronary intervention.
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