We describe the case of an elderly Japanese female who had experienced diabetic nephropathy since the year 20xx and had been undergoing dialysis treatment while receiving vascular access interventional therapy (VAIVT) for arteriovenous fistula (AVF) occlusion. The patient visited the clinic/hospital in 20xx+10 with the AVF occlusion; emergency VAIVT was performed but blood flow could not be resumed. The patient was not admitted and was treated as an outpatient, and thus a cuff catheter (Split stream catheter: SST28 cm, Medcomp) was inserted. An infection developed and was successfully treated with antibiotics. The dialysis treatment continued without issue. One year after the cuff catheter’s insertion, the patient was admitted due difficulty breathing. Despite continued dialysis treatment with the catheter, the patient died 15 days post-admission. The removal of the catheter proved to be difficult. An autopsy was approved, and the area around the catheter was examined. The adhesion of the catheter to the right atrium was observed, but no infection was detected in the bloodstream. This case illustrates that dialysis with the use of a cuff catheter can be effective.
Introduction and Aims: In Japan, the incidence of ischemic tubulo-interstitial nephropathy (TIN) associated with renal vascular disorder is thought to increase with aging. However, adequate tools for the clinical assessment of TIN are not available. Here we evaluated the clinical utility of renal vascular Doppler ultrasonography (RV-US) for the assessment of TIN, and we investigated the correlation between a variety of parameters obtained using RV-US and the urine N-acetylglusaminidase-to-creatinine ratio (NAG index), a conventional clinical parameter for TIN evaluations. Methods: Patients who were suspected of having renovascular disorder (RV group,
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