{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T11:02:10Z","timestamp":1777633330022,"version":"3.51.4"},"reference-count":32,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T00:00:00Z","timestamp":1777420800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012351","name":"Mitsubishi Tanabe Pharma Corporation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012351","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Clin. Diabetes Healthc."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Details regarding kidney-protective mechanisms of sodium-glucose cotransporter 2 (SGLT2) inhibitors remain unclear. High kidney resistive index (RI), evaluated by Doppler ultrasonography, and low T\n                      <jats:sub>2<\/jats:sub>\n                      * value, evaluated by blood oxygenation level-dependent (BOLD) magnetic resonance imaging (MRI) are risk factors for chronic kidney disease progression. In our previous study, canagliflozin (Cana) improved kidney oxygenation. In this\n                      <jats:italic>post-hoc<\/jats:italic>\n                      analysis, the effects of Cana on RI, as well as the correlation between changes in RI and T\n                      <jats:sub>2<\/jats:sub>\n                      * values, were evaluated.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Thirteen patients with type 2 diabetes (T2D) were analyzed. RI was determined at screening and on Day 5 (D5) following administration of Cana, while BOLD MRI was performed on D0, D1 (administration day), and D5. Cortical T\n                      <jats:sub>2<\/jats:sub>\n                      * values were evaluated using twelve-layer concentric object (TLCO) and region of interest (ROI) methods. Changes in RI and T\n                      <jats:sub>2<\/jats:sub>\n                      * values from D0 to D1 or D5 are expressed as \u0394RI, \u0394T\n                      <jats:sub>2<\/jats:sub>\n                      * (D1\u2013D0), and \u0394 T\n                      <jats:sub>2<\/jats:sub>\n                      * (D5\u2013D0), respectively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Cana significantly decreased RI, while ROI findings showed increased T\n                      <jats:sub>2<\/jats:sub>\n                      * (D0: 54.5 [50.8\u201355.5] vs D1: 56.2 [52.7\u201356.4],\n                      <jats:italic>p<\/jats:italic>\n                      =\u00a00.003,\n                      <jats:italic>r<\/jats:italic>\n                      \u00a0=\u00a00.77; D0 vs D5: 54.5 [53.0\u201357.2],\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.080,\n                      <jats:italic>r<\/jats:italic>\n                      \u00a0=\u00a00.49). A significant negative correlation between \u0394RI and \u0394T\n                      <jats:sub>2<\/jats:sub>\n                      * (D1\u2013D0) was shown by both TLCO (\n                      <jats:italic>\u03c1<\/jats:italic>\n                      =\u00a0-0.621,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.024) and ROI (\n                      <jats:italic>\u03c1<\/jats:italic>\n                      \u00a0=\u00a0-0.557,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.048).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Short-term Cana treatment improved RI and kidney oxygenation in patients with T2D. The inverse correlation found between changes in RI and T\n                      <jats:sub>2<\/jats:sub>\n                      * values suggest a mechanistic link between hemodynamic changes and improved oxygenation by SGLT2 inhibitors.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fcdhc.2026.1733806","type":"journal-article","created":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T04:34:10Z","timestamp":1777437250000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Effects of canagliflozin on kidney resistive index and oxygenation in patients with type 2 diabetes: findings obtained with ultrasonography and blood oxygenation level-dependent MRI"],"prefix":"10.3389","volume":"7","author":[{"given":"Hideki","family":"Uedono","sequence":"first","affiliation":[{"name":"Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School 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Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine","place":["Osaka, Japan"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shinya","family":"Nakatani","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Osaka Metropolitan University Graduate School of Medicine","place":["Osaka, Japan"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akihiro","family":"Tsuda","sequence":"additional","affiliation":[{"name":"Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine","place":["Osaka, Japan"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hirokazu","family":"Okada","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Faculty of Medicine, Saitama Medical University","place":["Saitama, 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