Matan Kraus, Johnatan Nissan, Olga Saukhat, Noam Tau, Iris Eshed, Daniel Raskin
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Logistic regression was used for multivariate analyses.</p></div><div><h3>Results</h3><p>A total of 240 patients were included in the study - equally distributed between the study and control groups.</p><p>Normal anatomy left renal veins traversed the spine only at the L1 and L2 levels. RLRVs traversed the spine in all L1-L4 levels, mostly at the L3 and L2.</p><p>Osteophyte prevalence at the level of left renal vein was significantly higher in the study group, compared with the control group [OR 2.54, <em>P</em> = 0.01].</p><p>Mean AVD was greater in the study group [9.2 mm ±3.6 mm Vs. 3.5 mm ± 2.6 mm, <em>P</em> < 0.001].</p><p>Increased AVD was found to be associated with a higher chance of osteophyte presence at the level of the left renal vein [OR 1.282, <em>P</em> = 0.025].</p></div><div><h3>Conclusions</h3><p>Osteophytes are more prevalent at the level of the RLRV variant compared to the normal anatomy. Furthermore, the RLRV is characterized by a lower lumbar level compared to the normal anatomy.</p></div><div><h3>Clinical relevance statement</h3><p>This anatomic variation could assist in further understanding of osteophyte formation.</p></div>","PeriodicalId":50680,"journal":{"name":"Clinical Imaging","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S089970712400158X/pdfft?md5=7216b9ac3a59eca6b027b76e8257e6fd&pid=1-s2.0-S089970712400158X-main.pdf","citationCount":"0","resultStr":"{\"title\":\"The effect of retroaortic left renal vein on lumbar osteophytes formation\",\"authors\":\"Matan Kraus, Johnatan Nissan, Olga Saukhat, Noam Tau, Iris Eshed, Daniel Raskin\",\"doi\":\"10.1016/j.clinimag.2024.110228\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Purpose</h3><p>Assess whether a Retroaortic left renal vein (RLRV) affects vertebral osteophyte formation in the lumbar spine, compared to normal anatomy left renal vein.</p></div><div><h3>Methods</h3><p>We conducted a retrospective case-control study. Computed tomography (CT) scans of individuals with a RLRV (study group) were compared to age- and gender-matched normal anatomy CT scans (control group).</p><p>L1 to L4 vertebral levels were appreciated for: left renal vein level, osteophyte presence and the aorta-vertebral distance (AVD) at the left renal vein level.</p><p>Univariate analyses were conducted using Chi-square test and Fisher's test for categorical variables, and Student's <em>t</em>-test for continuous variables. Logistic regression was used for multivariate analyses.</p></div><div><h3>Results</h3><p>A total of 240 patients were included in the study - equally distributed between the study and control groups.</p><p>Normal anatomy left renal veins traversed the spine only at the L1 and L2 levels. RLRVs traversed the spine in all L1-L4 levels, mostly at the L3 and L2.</p><p>Osteophyte prevalence at the level of left renal vein was significantly higher in the study group, compared with the control group [OR 2.54, <em>P</em> = 0.01].</p><p>Mean AVD was greater in the study group [9.2 mm ±3.6 mm Vs. 3.5 mm ± 2.6 mm, <em>P</em> < 0.001].</p><p>Increased AVD was found to be associated with a higher chance of osteophyte presence at the level of the left renal vein [OR 1.282, <em>P</em> = 0.025].</p></div><div><h3>Conclusions</h3><p>Osteophytes are more prevalent at the level of the RLRV variant compared to the normal anatomy. 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引用次数: 0
摘要
目的:与正常解剖的左肾静脉相比,评估主动脉后左肾静脉(RLRV)是否会影响腰椎椎体骨质增生的形成:我们进行了一项回顾性病例对照研究。方法:我们进行了一项回顾性病例对照研究,将左肾静脉患者(研究组)的计算机断层扫描(CT)结果与年龄和性别匹配的正常解剖结构 CT 扫描结果(对照组)进行比较。L1至L4椎体水平的鉴别包括:左肾静脉水平、骨质增生的存在以及左肾静脉水平的主动脉-椎体距离(AVD)。对分类变量采用卡方检验(Chi-square test)和费雪检验(Fisher's test)进行单变量分析,对连续变量采用学生 t 检验。逻辑回归用于多变量分析:共有 240 名患者参与了研究,研究组和对照组人数相当。正常解剖左肾静脉仅在 L1 和 L2 水平穿过脊柱。左肾静脉在所有L1-L4级别的脊柱上横行,主要位于L3和L2级别。与对照组相比,研究组左肾静脉水平的骨质增生发生率明显更高[OR 2.54,P = 0.01]。研究组的平均 AVD 更大[9.2 mm ±3.6 mm Vs:与正常解剖结构相比,RLRV变异水平的骨质增生更为普遍。此外,与正常解剖结构相比,RLRV 的特点是腰椎水平较低:这种解剖变异有助于进一步了解骨质增生的形成。
The effect of retroaortic left renal vein on lumbar osteophytes formation
Purpose
Assess whether a Retroaortic left renal vein (RLRV) affects vertebral osteophyte formation in the lumbar spine, compared to normal anatomy left renal vein.
Methods
We conducted a retrospective case-control study. Computed tomography (CT) scans of individuals with a RLRV (study group) were compared to age- and gender-matched normal anatomy CT scans (control group).
L1 to L4 vertebral levels were appreciated for: left renal vein level, osteophyte presence and the aorta-vertebral distance (AVD) at the left renal vein level.
Univariate analyses were conducted using Chi-square test and Fisher's test for categorical variables, and Student's t-test for continuous variables. Logistic regression was used for multivariate analyses.
Results
A total of 240 patients were included in the study - equally distributed between the study and control groups.
Normal anatomy left renal veins traversed the spine only at the L1 and L2 levels. RLRVs traversed the spine in all L1-L4 levels, mostly at the L3 and L2.
Osteophyte prevalence at the level of left renal vein was significantly higher in the study group, compared with the control group [OR 2.54, P = 0.01].
Mean AVD was greater in the study group [9.2 mm ±3.6 mm Vs. 3.5 mm ± 2.6 mm, P < 0.001].
Increased AVD was found to be associated with a higher chance of osteophyte presence at the level of the left renal vein [OR 1.282, P = 0.025].
Conclusions
Osteophytes are more prevalent at the level of the RLRV variant compared to the normal anatomy. Furthermore, the RLRV is characterized by a lower lumbar level compared to the normal anatomy.
Clinical relevance statement
This anatomic variation could assist in further understanding of osteophyte formation.
期刊介绍:
The mission of Clinical Imaging is to publish, in a timely manner, the very best radiology research from the United States and around the world with special attention to the impact of medical imaging on patient care. The journal''s publications cover all imaging modalities, radiology issues related to patients, policy and practice improvements, and clinically-oriented imaging physics and informatics. The journal is a valuable resource for practicing radiologists, radiologists-in-training and other clinicians with an interest in imaging. Papers are carefully peer-reviewed and selected by our experienced subject editors who are leading experts spanning the range of imaging sub-specialties, which include:
-Body Imaging-
Breast Imaging-
Cardiothoracic Imaging-
Imaging Physics and Informatics-
Molecular Imaging and Nuclear Medicine-
Musculoskeletal and Emergency Imaging-
Neuroradiology-
Practice, Policy & Education-
Pediatric Imaging-
Vascular and Interventional Radiology