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Background: The aim of the study was to determine the location of the branching of the renal arteries from the aorta in respect to superior mesenteric artery. Materials and methods: Three hundred twenty four vasculorenal samples were collected from corpses (180 male and 144 female), and subject to X-ray contrasting and preparation. The distance between the branching of selected arteries from the superior mesenteric artery (SMA) was measured. Results were subject to statistical analysis. Results: Results were presented in group A (191/324; 58.9%) considering subjects with bilateral, single renal arteries, as well as group B (133/324; 41.1%) considering patients with multiple renal arteries. The average distance between SMA and the renal artery in group A male patients was 0.6 ± 0.57 cm, while in group B 1.3 ± 2.03 cm (p = 0.0001). In the case of female A patients, results amounted to 0.66 ± 0.58 cm and 1.12 ± 1.7 cm, respectively (p = 0.006). The above mentioned left-sided distance in male group A was 0.89 ± 56 cm, while the right-sided distance 0.73 ± 0.94 cm (p = 0.382). In female A patients 0.80 ± 0.50 cm and 0.71 ± 0.89 cm, respectively (p = 0.615). In left-sided group B male patients the distance amounted to 0.87 ± 0.70 cm, and the right-sided distance 0.71 ± 0.60 cm (p = 0.291). Considering female patients results were as follows: 0.82 ± 0.51 cm (left) and 71 ± 1.21 cm (right), respectively (p = 0.706). Conclusions: Knowledge of the described topography of renal artery branching from the aorta should be considered in the preoperative planning of vascular kidney system radiology examinations, as well as retroperitoneal surgical and urological procedures, especially endoscopic kidney transplantations. (Folia Morphol 2020; 79, 1: 86–92)
Background: The aim of the study was to determine the incidence of multiple kidney arteries in the Polish population. Materials and methods: The study group comprised 924 deceased patients aged between 1 month and 94 years (mean age: 63.4 ± 22.4 years) who were subject to aortonephrography and sample preparation. The ratio of male to female patients was 479:445. Results: Multiple kidney arteries were observed in 44.8% male and 31.5% female patients (p = 0.004). Considering male patients, right multiple kidney arteries were diagnosed in 24.4%, and left multiple kidney arteries in 31.3% of cases (p = 0.017). In female patients, right multiple kidney arteries were observed in 17.8% of cases, and left multiple kidney arteries in 19.6% of cases (p = 0.49). Conclusions: The incidence of multiple kidney arteries in the Polish population is a frequent phenomenon, and should be considered in case of urological surgery and kidney transplantation. (Folia Morphol 2017; 76, 2: 226–231)
Background: The aim of the study was to determine the coexistence of arterial and venous anomalies in the vascular pedicle of the kidney in the Polish population. Materials and methods: The study group comprised 550 corpses, including 281 male (mean age 52 ± 22 years), and 269 female corpses (mean age 56.4 ± 23 years) (p = 0.02). The vascular bundle was removed together with the kidney, “en bloc”; the vessels were subject to radiological contrasting and preparation. The obtained results were subject to statistical analysis (the exact Fisher test, χ² test of independence for cross-tabulation 2 × 2 tables, and the odds ratio with the confidence interval at a level of 0.95, calculated on the basis of the contingency dependence). Statistica 12 and Microsoft Excel were used for calculations. Results: Variations in the structure of the renal venous system were observed in 33.8%; insignificantly more often in male (35.9%), as compared to female patients (31.6%). Deviations in the structure of the renal arteries were observed significantly more often in patients with renal venous system developmental disorders (p = 0.0071). In patients with a normal renal venous system, arterial kidney structure deviations were observed in 34.9% of cases, significantly more often in male (40%), as compared to female (29.7%) patients (p = 0.043). On the other hand, in venous system pathologies, the above-mentioned deviations were observed in 46.8% of cases (p = 0.002). Amongst developmental anomalies of the venous system, right-sided venous excess was observed in 20.4% of cases, including 48% of renal artery developmental pathologies, significantly more often in male (61.3%), as compared to female (32%) patients (p = 0.002). Conclusions: Renal artery anomalies of the kidney vascular pedicle are significantly correlated with the coexistence of venous system variations. This is especially true for male patients, which favours female kidneys for transplantation. (Folia Morphol 2019; 78, 2: 290–296)
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