EVALUATION OF THE ANATOMY VARIATIONS OF RENAL ARTERY SYSTEM OF LIVING-RELATED DONORS WITH 64-SLICE RENAL CTA

2014 ◽  
pp. 41-46
Author(s):  
Phuoc Hung Duong ◽  
Duc Phu Bui ◽  
Minh Loi Hoang ◽  
Van Thanh Nguyen
Keyword(s):  
Renal Artery ◽  
Left Kidney ◽  
Accurate Diagnosis ◽  
Central Hospital ◽  
Minimum Diameter ◽  
Key Words Anatomy ◽  
Complex Variation ◽  
A Prospective Study ◽  
Living Related ◽  
Renal Computed Tomography

Objectives: Evaluating the anatomy variation of renal artery system of living-related donors with 64-slice renal Computed Tomography Angiography (CTA). Subjects and methods: From 01/2009 to 12/2013, when carrying out a prospective study at Cardiovascular Centre of Hue Central hospital, we have performed 64-slice renal CTA on 160 living-related donors among which, there are 118 males and 42 females aged from 19 to 56. Results: The majority of donors have simple anatomy variation of renal artery with one hilar artery (71.87% in right kidney and 65.62% in left kidney). The rest has complex variation with two hilar arteries and accompagnied with upper or lower polar branch (28.13% in right kidney and 34.38% in left kidney). The minimum diameter of the renal artery is 1.3mm. The nearest distance of proximal branching from the hilar artery is 1.6mm. The furthest distance of two arteries is 65mm. Conclusions: 64-slice renal CTA contributes into more accurate diagnosis of anatomy variation of renal artery system of living-related donors, helps surgeons make appropriate planning in the operation of chosen kidneys of living-related donors and transplanting into patients. Key words: anatomy variation, renal artery system, CTA

IMAGING ON 64 MDCT OF THE UPPER URINARY TRACT OF RENAL LIVING-RELATED DONORS

2018 ◽  
Vol 8 (6) ◽  
pp. 89-98
Author(s):  
Hung Duong Phuoc ◽  
Khoan Le Trong ◽  
Hung Nguyen Khoa
Keyword(s):  
Urinary Tract ◽  
Left Kidney ◽  
Upper Urinary Tract ◽  
Accurate Diagnosis ◽  
Central Hospital ◽  
Abdominal Ultrasonography ◽  
Examination Time ◽  
A Prospective Study ◽  
Living Related ◽  
Collecting System

Objectives: Evaluating the morphology of the upper urinary tract of renal living-related donors with 64 Multi - Detectors Computed Tomography (MDCT). Subjects and methods: From 01/2017 to 10/2018, when carrying out a prospective study at Cardiovascular Centre of Hue Central hospital, we have performed 64 MDCT of the upper urinary tract (MDCT-UUT) on 312 renal living-related donors among which, there are 265 males and 47 females aged from 20 to 60. Results: 100% of donors experience no contrast-induced artifacts in renal parenchyme. 71.47% of visualization of contrast media (CM) of entire upper urinary tract filling and 100% of visualization of CM of top half upper urinary tract filling in both of kidney. The majority of donors have single collecting system (99.04% in right kidney and 99.68% in left kidney). The rest has partial or complete duplex collecting system. 64 MDCT has high value in detecting stone of the upper urinary tract (8.01%) in comparison with KUB Radiograph (0%) and abdominal Ultrasonography (0.32%). 100% of donors have normal renal function in the excretory phase at 5 minute after CM and NaCL 0.9% injection bolus. This allows reducing examination time and radiation exposure with the highest effective dose 5.88mSv in unenhanced and excretory phases. Conclusions: 64 MDCT-UUT contributes into more accurate diagnosis of the morphology of the upper urinary tract of renal living-related donors, helps surgeons make appropriate planning in the operation of chosen kidneys of living-related donors and transplanting into patients. Key words: Upper urinary tract - 64 MDCT - MDCT-UUT

Ex Vivo Repair of a Renal Artery Saccular Aneurysm in a Living-Nonrelated Donor and Subsequent Successful Kidney Transplantation

2018 ◽  
Vol 52 (6) ◽  
pp. 455-458
Author(s):  
Rogerio A. Muñoz-Vigna ◽  
Javier E. Anaya-Ayala ◽  
Juan N. Ramirez-Robles ◽  
Daniel Nuño-Diaz ◽  
Sandra Olivares-Cruz
Keyword(s):  
Kidney Transplantation ◽  
Renal Artery ◽  
Ex Vivo ◽  
Incidental Finding ◽  
Left Kidney ◽  
Renal Arteries ◽  
Saccular Aneurysm ◽  
Preoperative Imaging ◽  
The Right ◽  
Stage Renal Disease

The use of kidney grafts with aneurysmal disease involving the renal arteries for transplantation is very uncommon and relatively controversial. We herein present the case of a 52-year-old woman who volunteered to become a living-nonrelated donor; during the preoperative imaging workup, a computed tomography angiography revealed a 1.5-cm saccular aneurysm in the left kidney, while the contralateral renal artery was normal. We decided to utilize the left kidney for a 25-year-old male patient with end-stage renal disease, and following the ex vivo repair using the recipient epigastric vessels and saphenous veins, we completed the transplantation in the right pelvic fossa. The postoperative period was uneventful, and at 8 months from the surgery, the graft remains functional. The surgical repair of renal artery aneurysms followed by immediate kidney transplantation is a safe technique and an effective replacement therapy for recipients. The incidental finding of isolated aneurysmal disease in renal arteries should not exclude graft potential availability for transplantation following repair.

Results of a three-year follow-up after endovascular therapy with multilayer flow modulator in complex thoracoabdominal aortic aneurysm: A case report

Vascular ◽  
2020 ◽  
pp. 170853812093351
Author(s):  
Nazım Kankılıç ◽  
Mehmet S Aydın
Keyword(s):  
Case Report ◽  
Aortic Aneurysm ◽  
Renal Artery ◽  
Medical Center ◽  
Left Kidney ◽  
Thoracoabdominal Aortic Aneurysm ◽  
Aortic Aneurysms ◽  
Left Renal Artery

Objectives Studies on the short-, medium and long-term effects of flow guiding stents are still limited. In this case report, we present three-year follow-up of the multilayer flow modulator stent in a 55-year-old patient with Crawford Type 2 thoracoabdominal aortic aneurysm. Methods A 55-year-old male patient with Crawford Type 2 thoracoabdominal aortic aneurysm had applied to our medical center. The aneurysm involved coeliac truncus and superior mesenteric artery and extended to the renal artery ostia. Multilayer flow modulator stent was successfully placed, and follow-up CT (Computed tomography) angiographic examination images recorded intermittently (36 months). Results After three years, it was observed that the left renal artery was thrombosed and the left kidney went to atrophy. Other major vascular branches were observed to be open. During this time, the aneurysm was completely closed with thrombus, but the diameter of the aneurysm continued to increase. Conclusions Multilayer flow modulator stents are safe in complex aortic aneurysms. The device increases the thrombus load in the aortic aneurysm and maintains the flow of the main vascular branches. But re-interventions, dilatation of the aneurysm sac and visceral branch obstructions are still challenging for multilayer flow modulator stents.

Unilateral renal ischaemia in the rat: Effect of method of occlusion of the blood supply on function of ipsilateral and contralateral kidneys

1987 ◽  
Vol 73 (1) ◽  
pp. 11-17 ◽  
Author(s):  
O. S. Ferwana ◽  
S. C. Pirie
Keyword(s):  
Renal Artery ◽  
Blood Supply ◽  
Left Kidney ◽  
Severe Damage ◽  
Flow Rates ◽  
Renal Ischaemia ◽  
Group 3 ◽  
Group 2 ◽  
Renal Hilus ◽  
Group 1

1. The functions of right and left kidneys were measured immediately preceding, during and for 4 h after 45 min occlusion of the blood supply to the left kidney. 2. The blood supply was occluded by placing a clamp around the renal artery near to the aorta (group 1), near to the renal hilus (group 2) or by clamping the renal pedicle after prior separation of the kidney from perirenal tissue (group 3). 3. During ischaemia right kidneys had increased urine flow rates and excretion of sodium and water, but inulin clearances (CIn) remained unchanged. 4. After ischaemia left kidneys were isosthenuric with depressed CIn. 5. Occlusion of the renal artery alone resulted in non-oliguric kidneys in which CIn was reduced to 10% and 1% respectively for groups 1 and 2. 6. The most severe damage to function was seen in the kidneys of group 3 which were oliguric and in which CIn was depressed to 0.1% of the pre-ischaemic value. 7. It is concluded that the pedicle clamp method produced complete renal ischaemia and the most severe damage to function. Occlusion of the renal artery produced incomplete ischaemia and a less severe fall in function which depended upon the site of occlusion.

The Role of Ercp in the Management of Gallstone-Associated Acute Pancreatitis: A Prospective Study of 64 Patients at Riyadh Central Hospital

1992 ◽  
Vol 12 (4) ◽  
pp. 334-338
Author(s):  
Mohammed A. Al-Mofarreh ◽  
Mohamed A. Laajam ◽  
Narinder M. Tikoo ◽  
Abdul Majeed A. Mohammed ◽  
Faraj S. Al-Shbaily ◽  
...  
Keyword(s):  
Acute Pancreatitis ◽  
Prospective Study ◽  
Central Hospital ◽  
A Prospective Study

scholarly journals Renal artery stenosis of atherosclerotic etiology – the single kidney surgical recurrence 12 years after nephrectomy

2016 ◽  
Vol 63 (3) ◽  
pp. 251-254
Author(s):  
Maria Daniela Tănăsescu ◽  
◽  
Marcel Pălămar ◽  
Mihai Ovidiu Comşa ◽  
Alexandru Mincă ◽  
...  
Keyword(s):  
Renal Artery ◽  
Renal Artery Stenosis ◽  
Left Kidney ◽  
Secondary Hypertension ◽  
Artery Stenosis ◽  
The Other ◽  
Left Renal Artery ◽  
Arterial Blood ◽  
The Moment ◽  
The Right

Objectives. Renal artery stenosis, as main cause of renovascular secondary hypertension, is mainly caused by atherosclerosis of large vessels and is clinically characterized by resistant or malignant hypertension, impacting the kidney function to various degrees. The present article brings into attention the case of a patient which developed renal artery stenosis on the left kidney, the same condition occurring 12 years later on the right kidney. Material and method. Our patient was initially diagnosed at the age of 48 with complete occlusion of the left renal artery, for which left nephrectomy was performed, while the right artery was normal. Twelve years later she presents with renal artery stenosis on the right kidney, which is treat by stent-angioplasty. Results. After surgery, the patient’s evolution was positive, with amelioration of the laboratory values, in parallel to the arterial blood pressure. Discussions. The probability that, in the moment of diagnosis of renal artery stenosis with progressive evolution to occlusion caused by atherosclerosis, the other artery would be normal, both seen by ultrasonography and angiography, while years later to develop stenosis, is minimal. Up to present, the literature holds little evidence of such similar cases. Conclusions. In the particular case of patients that were diagnosed with severe renal artery stenosis of atherosclerotic origin and had only one of the arteries affected, it is necessary to keep a permanent monitoring, justified by the risk of development of the same pathology to the other artery

scholarly journals SUPERSELECTIVE EMBOLIZATION OF THE RENAL ARTERIES AS A MONOTHERAPY OF KIDNEY TUMOR IN A PATIENT WITH HIGH ANESTHESIOLOGIC RISK

2021 ◽  
pp. 61-67
Author(s):  
V. K. Karpov ◽  
D. M. Kamalov ◽  
B. M. Shaparov ◽  
O. A. Osmanov ◽  
A. А. Kamalov
Keyword(s):  
Surgical Treatment ◽  
Renal Artery ◽  
Malignant Tumors ◽  
Left Kidney ◽  
Renal Arteries ◽  
Artery Embolization ◽  
Safe Alternative ◽  
X Ray ◽  
Superselective Embolization ◽  
Renal Artery Embolization

Introduction: Renal artery embolization is a minimally invasive X-ray endovascular operation that is used in the treatment of various urological diseases. This operation is of increasing interest due to its ability to occlude not only proximal, but also distal renal vessels with a low risk of complications. Recent developments in endovascular technology make embolization one of the effective and safe methods applicable to stop renal bleeding, preoperative preparation for surgical treatment of renal malignant tumors, and first-line treatment for angiomyolipomas. For a certain category of patients, renal artery embolization is practically no alternative method of treatment. This applies to comorbid patients with kidney tumors and aggravated somatic status, in whom the anesthetic risk makes open or laparoscopic surgical treatment impossible, and embolization can reduce symptoms, improve the quality of life of such patients and prolong the patient's life.Clinical case: we demonstrate the experience of X-ray surgical treatment of cT1aN0M0 left kidney cancer in an 80-year-old patient.Conclusion: Embolization of renal arteries in some cases can be an effective and safe alternative treatment for renal cell carcinoma in somatically burdened patients who cannot perform surgical treatment.

scholarly journals Electroporation-Mediated Gene Transfer that Targets Glomeruli

2001 ◽  
Vol 12 (5) ◽  
pp. 949-954 ◽  
Author(s):  
MICHIKO TSUJIE ◽  
YOSHITAKA ISAKA ◽  
HIROYUKI NAKAMURA ◽  
ENYU IMAI ◽  
MASATSUGU HORI
Keyword(s):  
Gene Expression ◽  
Gene Transfer ◽  
Renal Artery ◽  
Mesangial Cells ◽  
Left Kidney ◽  
Expression Vectors ◽  
Nuclear Antigen ◽  
Luciferase Reporter ◽  
Glomerular Mesangial Cells ◽  
Transfection Efficacy

Abstract. Electroporation has been applied to introducing DNA into several organs; however, gene expression was localized around the injected area. Examined was the efficiency of intrarenal injection of DNA followed by in vivo electroporation, using FITC-labeled oligodeoxynucleotides (FITC-ODN) and plasmid DNA expressing β-galactosidase or luciferase. FITC-ODN or expression vectors were injected into the left renal artery; thereafter, the left kidney was electroporated between a pair of tweezer-type electrodes. FITC-ODN were transferred into all glomeruli, and transfected cells were identified as mesangial cells. Four d after transfection of the pCAGGS-LacZ gene, β-galactosidase expression was observed in 75% of glomeruli. To compare the transfection efficacy by electroporation with that by the hemagglutinating virus of Japan (HVJ) liposome method, a luciferase reporter gene, pActLuc, was transferred into glomeruli by either electroporation or the HVJ liposome method. On day 4, electroporation resulted in higher glomerular luciferase activity than did the HVJ liposome method. We also observed that co-transfection of pcEBNA, an expression vector for Epstein-Barr virus nuclear antigen, and poriP-cLuc, oriP-harboring vector, resulted in an eightfold higher luciferase gene expression than simple poriP-cLuc. No histologic damages were seen in glomeruli or tubular epithelial cells. In conclusion, gene transfer into renal artery followed by electroporation was an effective and simple strategy for gene transfer that targets glomerular mesangial cells.

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