{"id":19543,"date":"2026-09-24T05:07:58","date_gmt":"2026-09-24T08:07:58","guid":{"rendered":"https:\/\/rtmedical.com.br\/tmp-en-1790237277345\/"},"modified":"2026-09-24T05:08:06","modified_gmt":"2026-09-24T08:08:06","slug":"xray-aortic-calcification-hemodialysis","status":"publish","type":"post","link":"https:\/\/rtmedical.com.br\/en\/xray-aortic-calcification-hemodialysis\/","title":{"rendered":"X-rays Show Severe Aortic Calcification in Dialysis"},"content":{"rendered":"<p>A plain lateral lumbar radiograph scored with the Kauppila method found <strong>severe abdominal aortic calcification in 40.5% of hemodialysis patients<\/strong> at a university hospital in Palestine. The study of 163 patients, published September 19 in <em>Scientific Reports<\/em>, identified age as the only independent predictor of calcification severity, and it strengthens the case for conventional X-ray as a low-cost cardiovascular risk stratification tool in dialysis care.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"alignleft lazyload\" data-src=\"https:\/\/rtmedical.com.br\/wp-content\/uploads\/2026\/09\/aortic-calcification-hemodialysis-kauppila-chart.png\" alt=\"Chart of abdominal aortic calcification distribution by Kauppila score in 163 hemodialysis patients\" width=\"640\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1200px; --smush-placeholder-aspect-ratio: 1200\/630;\"><figcaption>Four in ten patients had a Kauppila score of 7 or higher. Data: Gharayba et al., Scientific Reports, 2026.<\/figcaption><\/figure>\n<h2>What the study measured and what it found<\/h2>\n<p>The work was carried out at An-Najah National University Hospital in Nablus between August 2025 and January 2026 by a team from the medicine, nephrology and radiology departments of An-Najah National University, with a collaborator from the Arab American University in Jenin. Adults on maintenance hemodialysis for at least six months were enrolled through convenience sampling. The 163 participants represented 95.9% of the planned sample.<\/p>\n<p>Every patient underwent a lateral lumbar radiograph scored with the 24-point Kauppila system. Patients were grouped into three bands: no calcification (score 0), mild to moderate calcification (1 to 6) and severe calcification (7 or higher). The distribution was:<\/p>\n<ul>\n<li><strong>35.6%<\/strong> with no calcification, median age 50.5 years;<\/li>\n<li><strong>23.9%<\/strong> with mild to moderate calcification, median age 61 years;<\/li>\n<li><strong>40.5%<\/strong> with severe calcification, median age 66 years.<\/li>\n<\/ul>\n<p>Age rose steadily across categories and showed a moderate positive correlation with the total score (Spearman&#8217;s \u03c1 = 0.531, p &lt; 0.001). In unadjusted comparisons, serum albumin, creatinine, fasting glucose, potassium and platelet count were also associated with calcification. In the multivariable ordinal logistic regression model, however, only age held up: each additional year raised the odds of falling into a more severe calcification category by 7.9% (adjusted OR 1.079; 95% CI 1.049\u20131.108).<\/p>\n<p>The authors also ran a sensitivity analysis adding serum calcium and phosphate, the core markers of chronic kidney disease\u2013mineral and bone disorder (CKD-MBD). Age stayed significant (OR 1.082), phosphate showed no association and calcium was borderline. Associations with diabetes and albumin shifted depending on how the model was specified, and the group itself advises reading them with caution.<\/p>\n<h2>How the Kauppila score works<\/h2>\n<p>The method was described in 1997 using Framingham Heart Study data and remains the most widely used way to quantify aortic calcification on plain film. On a lateral lumbar view, the reader inspects the anterior and posterior aortic walls in front of each vertebra from L1 to L4. Each segment gets 0 to 3 points depending on the length of calcified plaque, and the eight segments add up to a final score from 0 to 24.<\/p>\n<p>The appeal is practical: the exam is quick, low-dose, available in almost any facility and needs no post-processing workstation. That is why the KDIGO CKD-MBD guideline accepts a lateral abdominal radiograph as a reasonable alternative to CT for detecting vascular calcification in chronic kidney disease. CT with Agatston scoring is more sensitive and reproducible, but it costs more and depends on specific protocols and software.<\/p>\n<p>The limitations are well known. Reading is semi-quantitative and subject to inter-observer variation, especially in segments with faint calcification or overlapping structures. Image quality matters a great deal: patient rotation or poor exposure can hide plaques or mimic calcification.<\/p>\n<h2>Why aortic calcification matters in dialysis<\/h2>\n<p>In advanced chronic kidney disease, vascular calcification starts earlier and spreads further than in the general population, affecting both the intima (atherosclerosis) and the arterial media. Disordered calcium, phosphate and parathyroid hormone, chronic inflammation and time on dialysis all feed the process. Prior hemodialysis literature, cited by the authors, links abdominal aortic calcification to cardiovascular events and mortality, and cardiovascular disease is the leading cause of death in this population.<\/p>\n<p>It is worth being clear about what this study did <strong>not<\/strong> measure: as a cross-sectional analysis, it did not follow outcomes. Its message is about prevalence and associated factors, not prognosis. The argument that the radiograph can stratify risk rests on earlier evidence for the Kauppila score, not on new mortality data.<\/p>\n<p>Using plain imaging to detect vascular disease has come up before, for example when <a href=\"https:\/\/rtmedical.com.br\/en\/chest-xray-atherosclerosis-amputees\/\">chest X-rays revealed atherosclerosis in amputees<\/a>. The idea is the same: extract cardiovascular information from a cheap exam that is already routine.<\/p>\n<h2>Practical implications for radiology and nephrology<\/h2>\n<p>For radiologists, the study is a reminder that aortic calcification on a lumbar or abdominal film should not be dismissed as trivial, especially in a patient with kidney failure. Reporting a structured Kauppila score, rather than a generic &#8220;aortic atheromatosis,&#8221; gives the nephrologist a number that can be tracked and compared across exams. The logic mirrors software-based management of incidental findings, the focus of platforms such as <a href=\"https:\/\/rtmedical.com.br\/en\/vital-guard-ai-incidental-radiology-findings\/\">Vital Guard for incidental radiology findings<\/a>.<\/p>\n<p>The approach is particularly relevant where resources are thin. Many dialysis units, in the Middle East and in countries such as Brazil, which has roughly 150,000 patients on dialysis according to its national dialysis census, sit far from centers with CT calcium scoring, yet nearly all have access to a conventional X-ray unit. A screening method that uses installed equipment has obvious appeal.<\/p>\n<p>Automation is the natural next step. Computer vision algorithms are already being tested to measure aortic calcification on radiographs and on lateral spine images acquired during bone densitometry, which would reduce reader variability. But, as independent evaluations of <a href=\"https:\/\/rtmedical.com.br\/en\/chest-xray-ai-lung-cancer-performance\/\">chest X-ray AI showing wide performance gaps<\/a> demonstrate, any such tool needs validation in the local population before clinical use.<\/p>\n<h2>Limitations and next steps<\/h2>\n<p>The authors acknowledge a single-center design, convenience sampling and no longitudinal follow-up. The sample size limits the ability to detect modest effects from variables such as phosphate, parathyroid hormone or dialysis vintage, which tend to emerge as risk factors in larger cohorts. Age dominating the model does not mean metabolic factors are irrelevant; it means this study lacked the power to isolate them.<\/p>\n<p>The group calls for prospective multicenter studies to confirm the clinical utility of lumbar radiography and to clarify which risk pathways are modifiable. For now, the work fills a data gap on hemodialysis patients in the Middle East and shows that a simple, well-performed and well-reported exam still has plenty to say. The full paper is open access in <a href=\"https:\/\/doi.org\/10.1038\/s41598-026-69937-x\" target=\"_blank\" rel=\"noopener\">Scientific Reports<\/a>.<\/p>\n<p><strong>Source:<\/strong> <a href=\"https:\/\/www.auntminnie.com\/clinical-news\/digital-x-ray\/article\/15835554\/xrays-reveal-severe-aortic-calcification-in-dialysis-patients\" target=\"_blank\" rel=\"noopener\">AuntMinnie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lateral lumbar X-ray with Kauppila scoring found severe aortic calcification in 40.5% of 163 hemodialysis patients. Age was the only predictor.<\/p>\n","protected":false},"author":1,"featured_media":19497,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0,"_rt_cluster":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[100],"tags":[],"class_list":["post-19543","post","type-post","status-publish","format-standard","has-post-thumbnail","category-radiology"],"aioseo_notices":[],"rt_seo":{"title":"","description":"Lateral lumbar X-ray with Kauppila scoring found severe aortic calcification in 40.5% of 163 hemodialysis patients. Age was the only predictor.","canonical":"","og_image":"","robots":"index,follow","schema_type":"Article","include_in_llms":true,"llms_label":"Abdominal aortic calcification on X-ray in hemodialysis","llms_summary":"Cross-sectional study in Scientific Reports (Gharayba et al., 2026) of 163 hemodialysis patients at An-Najah National University Hospital, Palestine: on lateral lumbar radiographs scored by Kauppila, 35.6% had no aortic calcification, 23.9% mild to moderate and 40.5% severe. Age was the only independent predictor (OR 1.079 per year).","faq_items":[],"video":[],"gtin":"","mpn":"","brand":"","aggregate_rating":[]},"_links":{"self":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/19543\/"}],"collection":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/"}],"about":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/types\/post\/"}],"author":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/users\/1\/"}],"replies":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/comments\/?post=19543"}],"version-history":[{"count":1,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/19543\/revisions\/"}],"predecessor-version":[{"id":19550,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/19543\/revisions\/19550\/"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/media\/19497\/"}],"wp:attachment":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/media\/?parent=19543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/categories\/?post=19543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/tags\/?post=19543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}