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Zero-contrast imaging for the assessment of transcatheter aortic valve implantation in candidates with renal dysfunction
CONCLUSION: The proposed contrast-free imaging protocol appears to be a promising clinical tool for pre-TAVI evaluation in patients with severe renal dysfunction.PMID:37350345 | DOI:10.1080/0886022X.2023.2224888
Source: Renal Failure - June 23, 2023 Category: Urology & Nephrology Authors: Guy F A Prado Stefano Garzon Jose Mariani Adriano Caixeta Breno O Almeida Felipe O Ramalho Marcelo L C Vieira Claudio H Fischer Gilberto Szarf Walther Ishikawa Pedro A Lemos Source Type: research

Severe Neurological Involvement in an Adult with Shiga Toxin-Producing < i > Escherichia coli < /i > -Hemolytic Uremic Syndrome Treated with Eculizumab
A 68-year-old man with a medical history of hypertension was admitted to the emergency department for diffuse abdominal pain preceded by bloody diarrhea. Upon admission, neurological examination was normal, but he suddenly developed a left-sided hemiparesis. After a normal brain computed tomography, intravenous thrombolysis was administered for a suspicion of ischemic stroke. In the first laboratory investigations, hemoglobin was 16.9 g/dL, platelets 121 × 109/L (150 –450), and serum creatinine 1.17 mg/dL. By the second hospital day, the platelet level dropped to 79 × 109/L, with haptoglobin at 0.12 g/L, 3% schistocyte...
Source: Case Reports in Nephrology and Dialysis - January 27, 2023 Category: Urology & Nephrology Source Type: research

Catastrophic kidney infarction
A 62-year-old man with a history of stroke, ischemic cardiomyopathy, and paroxysmal atrial fibrillation not on anticoagulation presented with left lower extremity weakness and numbness and was found to have left lower extremity ischemia on examination. There was also evidence of acute kidney injury with a serum creatinine level of 2.1 mg/dl from 0.8 mg/dl at baseline. A computed tomography angiogram of the abdomen and pelvis with distal runoff revealed the occlusion of the left common femoral artery and right saphenofemoral artery.
Source: Kidney International - January 1, 2022 Category: Urology & Nephrology Authors: Nattawat Klomjit, Ladan Zand Tags: Nephrology Image Source Type: research

Clinical outcomes of stroke in hemodialysis patients: a retrospective single-center study
ConclusionsStroke outcome in these patients is dismal with prolonged hospital stay, poor functional status at discharge, very limited response to rehabilitation, and increased mortality.
Source: International Urology and Nephrology - June 30, 2019 Category: Urology & Nephrology Source Type: research

Low serum phosphate is associated with ischemic stroke in hemodialysis patients
ConclusionsLow serum phosphate is a risk factor for developing ischemic stroke in hemodialysis patients. The results suggest that managing serum phosphate  ≥ 4.5 mg/dL among hemodialysis patients may reduce the risk of ischemic stroke.
Source: Clinical and Experimental Nephrology - October 1, 2018 Category: Urology & Nephrology Source Type: research

The effects of vitamin K supplementation and vitamin K antagonists on progression of vascular calcification: ongoing randomized controlled trials
Conclusion Vitamin K deficiency may be a modifiable cardiovascular risk factor in the haemodialysis population. Conversely, vitamin K antagonists may aggravate VC burden in haemodialysis patients. Several ongoing trials may provide an answer to these questions in the near future.
Source: CKJ: Clinical Kidney Journal - March 15, 2016 Category: Urology & Nephrology Authors: Caluwe, R., Pyfferoen, L., De Boeck, K., De Vriese, A. S. Tags: CKD-MBD Source Type: research

An autopsy case of vertebrobasilar dolichoectasia under hemodialysis due to autosomal dominant polycystic kidney disease
Abstract A 60-year-old male with end-stage kidney disease due to autosomal polycystic kidney disease began maintenance hemodialysis in 2005. A brain CT scan showed dilatation of left vertebral artery, basilar artery, bilateral post cerebral artery, and middle cerebral artery. At the time, he was diagnosed as vertebrobasilar dolichoectasia. He was once admitted to our hospital for ischemic stroke. After discharge, he was treated with anticoagulant agent from 2010 to 2012 without any new stroke events. In March, 2012, he was admitted to our hospital for an evaluation of diplopia and left hemiplegia. Brain MRI showed...
Source: CEN Case Reports - August 18, 2015 Category: Urology & Nephrology Source Type: research

Coronary artery calcification, cardiovascular events, and death: a prospective cohort study of incident patients on hemodialysis
Conclusions Respondent burden is high for additional testing around the initiation of dialysis. High coronary calcification in patients new to ESRD has a tendency to predict cardiovascular outcomes and death, though effects are attenuated when adjusted for age.
Source: Canadian Journal of Kidney Health and Disease - August 12, 2015 Category: Urology & Nephrology Source Type: research

Creatinine Clearance, Walking Speed, and Muscle Atrophy: A Cohort Study
Conclusions Among older adults, lower Clcr is associated with muscle atrophy, reduced walking speed, and more rapid declines in lower-extremity strength over time.
Source: American Journal of Kidney Diseases - January 13, 2015 Category: Urology & Nephrology Source Type: research

Emphysematous cystitis: An atypical multi-organism presentation.
Abstract An 84-year-old diabetic women receiving in-hospital stroke management began suffering from vague lower abdominal pain, increased urge incontinence and gross hematuria. Physical examination revealed suprapubic tenderness and a tympanic bladder. A computed tomography confirmed a distended bladder with gas foci delineating the bladder wall. Microbiology revealed an atypical multi-organism presentation of Klebsiella pneumoniae and Enterococcus species. Emphysematous cystitis is characterized by air within the bladder wall often found in elderly diabetic females. Predominant organisms include Escherichia coli ...
Source: Canadian Urological Association Journal - March 1, 2014 Category: Urology & Nephrology Authors: Bos D, Patal P, Ditullio S Tags: Can Urol Assoc J Source Type: research

Renovascular hypertension: A report of 21 cases.
Abstract Renovascular hypertension (RVH) is among the most common forms of secondary hypertension. We studied 21 patients (eight male and 13 female) with RVH who were encountered during a period of 16 years. The average age of the patients was 34.75 years. Trans-renal Doppler ultrasound confirmed the diagnosis of renovascular stenosis (RAS) as the cause of RVH in 95% of the patients. Computed tomography angiography was performed in ten cases, which confirmed the diagnosis in all these cases. Magnetic resonance angiography was performed in only three patients. Renal scintigraphy was performed in 11 patients, with D...
Source: Saudi Journal of Kidney Diseases and Transplantation - January 1, 2014 Category: Urology & Nephrology Authors: Labidi J, Touat D, Abdelghanim K, Ajili F, Ariba YB, Abdelhafidh NB, Louzir B, Othmani S Tags: Saudi J Kidney Dis Transpl Source Type: research

Summary: International Kidney Cancer Symposium
Conclusions:  Ideal ischemia time is 20-25 minutes or less improves short and long term renal function.  >25 minutes carried 5 year risk of new onset stage 4 CKD No differences on GFR for cold vs. warm ischemia times Preoperative GFR and the percent of kidney preserved was a better predictor of post op GFR.  No ischemia preserves renal function better than warm. Longer cold ischemia times were equivalent to shorter warm ischemia times. Quality and quantity of the remaining kidney is associated with ultimate renal function. Robotics in RCC Surgery Gennady Bratslavsky, MD The...
Source: Kidney Cancer Association - December 15, 2011 Category: Urology & Nephrology Source Type: news

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