Renal length, height, width, resistive index (RI), size of cortex, and medulla were determined by renal ultrasonography in 50 healthy Korean domestic short-hair cats. In the sagittal plane, the renal length was 3.83 +/- 0.51 cm (mean +/- SD) in the left kidney and 3.96 +/- 0.48 cm in the right kidney, whereas the renal height was 2.42 +/- 0.27 cm in the left kidney and 2.36 +/- 0.28 cm in the right kidney. In the transverse plane, the renal height was 2.42 +/- 0.28 cm in the left kidney and 2.38 +/- 0.27 cm in the right kidney, whereas the renal width was: 2.65 +/- 0.35 cm in the left kidney and 2.63 +/- 0.31 cm in the right kidney. In the dorsal plane, the renal length was 3.84 +/- 0.53 cm in the left kidney and 3.97 +/- 0.54 cm in the right kidney, whereas the renal width was 2.65 +/- 0.34 cm in the left kidney and 2.66 +/- 0.33 cm in the right kidney. There were no significant differences (p > 0.05) among the same structure sizes measured in different planes. In the sagittal plane, the size of the renal cortex was 0.47 +/- 0.08 cm in the left kidney and 0.47 +/- 0.08 cm in the right kidney, whereas of the size of the renal medulla was 0.55 +/- 0.30 cm in the left kidney and 0.50 +/- 0.07 cm in the right kidney. RI evaluated by pulsed wave Doppler sonography was 0.52 +/- 0.05 in the left kidney and 0.55 +/- 0.05 in the right kidney. The actual renal dimensions determined by gross examination were not statistically different from those determined by ultrasonography. Furthermore the renal dimensions and RI were statistically correlated to the body weight of cats.
Animals ; Cats/*anatomy & histology ; Female ; Kidney/*ultrasonography ; Korea ; Male

Multidetector row computed tomography (MDCT) provides anatomical information about the kidney and other internal organs. Presently, the suitability of 64-channel MDCT to assess the kidney of healthy micropigs was evaluated. Morphological evaluations of the kidney and the major renal vessels of six healthy micropigs were carried out using MDCT, recording kidney volume and the diameter and length of renal arteries and veins. The mean diameters and lengths of the renal artery were 0.44 +/- 0.05 and 4.51 +/- 0.55 cm on the right side and 0.46 +/- 0.06 and 3.36 +/- 0.27 cm on the left side, respectively. The mean diameters and lengths of the renal vein were 1.44 +/- 0.52 and 4.22 +/- 1.29 cm on the right side and 1.38 +/- 0.17 and 5.15 +/- 0.87 cm on the left side, respectively. The mean volume of the right kidney was 79.3 +/- 14.5 mL and of the left kidney was 78.0 +/- 13.9 mL. The data presented in this study suggest that the MDCT offers a noninvasive, rapid, and accurate method for the evaluation of the renal anatomy in living kidney donors. It also provides sufficient information about extra-renal anatomy important for donor surgery and determination of organ suitability.
Animals ; Kidney/*anatomy & histology/blood supply ; Kidney Transplantation/methods/*veterinary ; Male ; Renal Artery/*anatomy & histology ; Renal Veins/*anatomy & histology ; Swine ; Swine, Miniature/*anatomy & histology ; Tissue and Organ Procurement/methods ; Tomography, X-Ray Computed/methods/*veterinary

This study aims to explore the inferior adhesion of the renal fascia (RF), and the inferior connectivity of the perirenal spaces (PS) with multidetector computed tomography (MDCT), and to investigate the diagnostic value of CT for showing this anatomy. From May to July 2012, eighty-two patients with acute pancreatitis presented in our hospital were enrolled into this study and underwent contrast-enhanced CT scans. All the image data were used to perform three dimensional reconstruction to show the inferior attachment of RF and the inferior connectivity of PS. The fusion of anterior renal fascia (ARF) and posterior renal fascia (PRF) next to the plane of iliac fossa were found on the left in 71.95% (59/82) cases, and on the right in 75.61% (62/82). In these cases, bilateral perirenal spaces, and anterior and posterior pararenal spaces were not found to be connected with each other. No fusion of ARF and PRF below the level of bilateral kidneys occurred on the left side in 28.05% (23/82) cases and on the right side in 24.39% (20/82). In these patients, the PS extended to the extraperitoneal space of the pelvic cavity and further to the inguinal region, and bilateral anterior and posterior pararenal spaces were not found to be connected with each other. Three-dimensional reconstruction on contrast-enhanced MDCT could be a valuable procedure for depicting inferior attachment of RF, and the inferior connectivity of PS.
Abdominal Cavity ; anatomy & histology ; Adult ; Contrast Media ; Fascia ; anatomy & histology ; Humans ; Image Processing, Computer-Assisted ; Kidney ; anatomy & histology ; Multidetector Computed Tomography ; Pancreatitis ; pathology ; Pelvis ; anatomy & histology ; Tomography, X-Ray Computed

This study was to evaluate the value of dual-source CT in the preoperative assessment of living donor kidneys. We collected fifty-five consecutive living kidney donors (male 35, female 20, average age, 39 years old), and performed dual-source CT scan. The plain scan, pre-enhanced arterial phase and venous phase examinations were performed, with the scan level ranged from the 11th thoracic vertebral body to the iliac crest. All the basic images were reconstructed using volume rendering(VR), maximum intensity projection (MIP), multi-planar reconstruction (MPR) techniques to evaluate the anatomical location and variation of renal arteries and veins, and the morphology and function of kidney and urinary tract. All the 55 cases were successful, with completion of CT scan and clear images. 46 cases among the all cases had normal renal arteries and veins, while 6 cases had accessory arteries, 2 cases had pre-hilar renal artery branching, and 1 case had vein variation. For the renal parenchymas, 48 cases were normal, while 2 cases had angiomyolipoma and 5 cases had cortical cyst. There were no variation and disease in upper urinary tract. Compared with the surgical findings, the diagnostic accuracy was 100% with dual-source CT. In conclusion, the dual-source CT can accurately evaluate the vessel of kidney, renal parenchyma and upper urinary tract of living renal donors, can provide reliable imaging information for screening of living donor kidney and can help make operation program in living kidney transplantation.
Adult ; Angiography ; methods ; Female ; Humans ; Kidney ; anatomy & histology ; blood supply ; Kidney Transplantation ; methods ; Living Donors ; Male ; Preoperative Period ; Renal Artery ; anatomy & histology ; diagnostic imaging ; Renal Veins ; anatomy & histology ; diagnostic imaging ; Tomography, Spiral Computed ; methods

OBJECTIVETo study the anatomy characters of renal artery and the treatment of multiple arteries in living donor renal grafts.

METHODSRecords of 142 living donors were analyzed in our center. We analyzed the anatomic structure of renal arteries by DSA and CTA pre-transplantation. Thirty-one kidneys with multiple arteries were transplanted after reconstruction. Then clinical effects were compared between multiple-renal-arteries group (n=31) and single-renal-artery group (n=111).

RESULTSThe incidence of multiple renal artery was 30.99%, and there was no difference between both sides (left kidney 22.54%, right kidney 22.13%). If the multiple artery occurred in left or right kidney, the incidence of the multiple artery occurred in the other side was 56.25% and 60.00%, respectively. The diameter of left main renal artery was more magnanimous (P=0.001) and the first branch was more closed to abdominal aorta (P=0.004). Operation time and warm/cool ischemia time were longer in the multiple-renal-arteries group. However, estimated blood loss, delayed graft function, acute rejection and flow rate of arcuate artery were similar in both groups, the same as serum creatinine and serum creatinine clearance rate on day 7, 1 month and 3 month post-operation. It was shown by repeated measures ANOVA that graft with multiple arteries didn't affect the tendency of renal function at early time post-operation.

CONCLUSIONComprehending the character of renal artery and accurate treatment of multiple artery anastomosis are critical for the effect of the living kidney transplantation.

Arteries ; anatomy & histology ; surgery ; Female ; Follow-Up Studies ; Humans ; Kidney ; blood supply ; Kidney Transplantation ; Living Donors ; Male ; Treatment Outcome

The present paper is aimed to observe the lateral attachment of the renal fascia (RF) in vivo with multidetector computed tomography (MDCT) scanning, and to discuss its diagnostic value. 121 healthy adults were adopted into this experiment. All images were obtained with MDCT and double phase enhancement scanning. Then we observed the lateral attachment of RF. In addition, we mad a fresh body specimen as anatomical basis. The study found that above the renal hilar plane (RHP), the anterior renal fascia laterally fused with the peritoneum of the liver on the right and the peritoneum of the spleen on the left,and the posterior renal fascia fused with the subdiaphragmatic fascia. The lateral attachment of the RF at the RHP and the lower renal pole(LRP)is divided into three types. The RF in Type I is about 47.9% (58/121) at the left RHP, while about 33.9% (41/121) at the right RHP. At the LRP of the kidney is about 55.3% (67/121) on the left, and about 42.1% (51/121) on the right. The RF in Type I is about 38.8% (47/121) on the left side at the RHP, about 26.4% (32/121) on the right side. At the LRP, left side about 27.3% (33/121), right side about 13.3%(16/121). The RF in Type III at the RHP is 13.3% (16/121) on the left side, and on the right side is about 39.7% (48/121). At the LRP, it is about 17.4% (21/121) on the left side, and about 44.6% (54/121) on the right side. MDCT can display the lateral attachment of the RF better as well as the outside connection of the retroperitoneal space.
Adult ; Aged ; Aged, 80 and over ; Fascia ; anatomy & histology ; diagnostic imaging ; Female ; Humans ; Kidney ; anatomy & histology ; diagnostic imaging ; Male ; Middle Aged ; Multidetector Computed Tomography ; Retroperitoneal Space ; anatomy & histology ; diagnostic imaging ; Young Adult

Generally, the left kidney from a living donor is more commonly preferred but the right kidney is occasionally donated because of multiple left renal arteries or repeated transplantation. The right donor nephrectomy is usually more difficult compared to the left because the right renal vein is often multiple and short, which complicates dissection of the vascular pedicle. From Jan. 1989 to Sep. 1992, 112 consecutive cases of right donor nephrectomies out of a total of 771 cases were retrospectively reviewed with the preoperative renal angiography and the intraoperative assessment of the right renal vascular pedicle. The indications for right donor nephrectomy include 1) multiple or proximal bifurcating renal arteries of the left kidney (89.3%), 2) repeated transplantation in the recipient (9%). In 26.8% of the cases, there were more than two right renal veins. In the right donor nephrectomy, it is often necessary to perform vena cava cuff resection because of short and frequently occurring multiple right renal veins. For the dissection of the inferior vena cava (IVC), the aberrantly occurring right gonadal vein, the adrenal vein draining above the junction of the renal vein and IVC, and the lumbar vein below the junction should always be looked for and must be ligated if any are found.
Adult ; Blood Vessels/anatomy & histology ; Female ; Human ; Intraoperative Period ; Kidney/*blood supply ; Male ; Nephrectomy/*methods ; Retrospective Studies ; *Tissue Donors

This article describes a novel Multifunctional and Transparent Urinary System Model (MTUSM), which can be applied to anatomy teaching, operational training of clinical skills as well as simulated experiments in vitro. This model covers kidneys, ureters, bladder, prostate, male and female urethra, bracket and pedestal, etc. Based on human anatomy structure and parameters, MTUSM consists of two transparent layers i. e. transparent organic glass external layer, which constraints the internal layer and maintains shape of the model, and transparent silica gel internal layer, which possesses perfect elasticity and deformability. It is obvious that this model is preferable in simulating the structure of human urinary system by applying hierarchical fabrication. Meanwhile, the transparent design, which makes the inner structure, internal operations and experiments visual, facilitates teaching instruction and understanding. With the advantages of simple making, high-findelity, unique structure and multiple functions, this model will have a broad application prospect and great practical value.
Female ; Humans ; Kidney ; Male ; Models, Anatomic ; Models, Biological ; Prostate ; Ureter ; Urethra ; Urinary Bladder ; Urogenital System ; anatomy & histology

OBJECTIVETo investigate the variations type of hepatic artery and discuss the method of how to protect hepatic artery from injury during the quick harvest of the donor liver.

METHODSA retrospective review of the variations of hepatic arteries of the donor livers and the course of excision and reconstruction of 200 donor livers was performed, and the aberrance and reconstruction method of hepatic arteries were summarized.

RESULTS37 out of 200 hepatic arteries varied and 2 patients suffered biliary complications because of improper preservation of aberrant hepatic arteries.

CONCLUSIONSMost aberrant liver arteries come from superior mesenteric artery or left gastric artery. Proper quick harvest of multiple organs is the basis of the integrity of hepatic arteries, and all the aberrance must be reconstructed.

Female ; Hepatic Artery ; anatomy & histology ; surgery ; Humans ; Kidney Transplantation ; Liver Transplantation ; methods ; Male ; Retrospective Studies ; Tissue and Organ Harvesting ; methods ; Transplantation, Homologous

OBJECTIVETo explore mechanism of acupuncture for renal interstitial fibrosis (RIF) in hypertension rats.

METHODSTwenty-four 24-week-old male spontaneously hypertensive rats were randomly divided into a model group, a perindopril group and an acupuncture group, eight cases in each one. In the acupuncture group, with rats tied up, electroacupuncture was applied at bilateral "Quchi" (LI 11) and "Zusanli" (ST 36) under mild vibration of needle handle for 20 min, once a day. In the perindopril group, perindopril (0.4 mg/kg) suspension liquid was applied for intragastric administration, once a day. In the model group, rats were tied up for 20 min a day without any treatment. Eight same-age same-race Wistar Kyoto (WKY) rats with normal blood pressure were taken as a control group, which was given with free diet but no treatment. The treatment was reuqired for six weeks. The systolic blood pressure of caudal artery was tested. Kidney morphological structure was observed by HE coloration. Deposition optical density of type I and III collagen in kidney was tested by immunohistochemistry. Expression of transforming growth factor-beta1 (TGF-beta1) mRNA was tested by reverse transcription polymerase chain reaction (RT-PCR) method.

RESULTSCompared with the model group, the blood pressure was significantly decreased in the acupuncture group (P < 0.01), the damage of kidney morphology was minor, positive depositional area of type I and III collagen was obviously decreased (both P < 0.05), and the expression of semi-quantitative analysis of TGF-beta1 mRNA was decreased (P < 0.05), which had similar effect as western medication perindopril.

CONCLUSIONAcupuncture at "Quchi" (LI 11) and "Zusanli" (ST 36) probably intervenes the process of RIF by reducing synthesis of kidney type I , III collagen and restraining expression of TGF-beta1.

Acupuncture Points ; Acupuncture Therapy ; Animals ; Collagen Type I ; genetics ; metabolism ; Disease Models, Animal ; Humans ; Hypertension ; genetics ; metabolism ; therapy ; Kidney ; anatomy & histology ; metabolism ; Male ; RNA, Messenger ; genetics ; metabolism ; Rats ; Rats, Inbred SHR ; Rats, Inbred WKY ; Transforming Growth Factor beta1 ; genetics ; metabolism