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In this study, we evaluated the apical suction from late systole to early diastole in patients with ischemic heart disease (IHD) with or without left ventricular aneurysm (LVA), validated against simultaneous left atrial\u2013LV pressure measurements. A total of 37 participants were evaluated: 11 healthy controls, 11 patients with IHD without LVA, and 15 with LVA. VFM-derived IVPDs were quantified as IVPD recoil (late systole) or IVPD RF (early diastole). Patients with LVA showed markedly reduced IVPD recoil and the combined parameter (IVPD\n                    <jats:sub>VFM<\/jats:sub>\n                    recoil\u2009+\u2009RF) compared with those with IHD, indicating impaired apical suction. IVPD RF and the combined parameter (IVPD\n                    <jats:sub>VFM<\/jats:sub>\n                    recoil\u2009+\u2009RF) correlated with transmitral E-wave (\n                    <jats:italic>r<\/jats:italic>\n                    \u2009=\u20090.54,\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u20090.01 and\n                    <jats:italic>r<\/jats:italic>\n                    \u2009=\u20090.45,\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u20090.03); the combined parameter (IVPD\n                    <jats:sub>VFM<\/jats:sub>\n                    recoil\u2009+\u2009RF) showed significant correlation with catheter-derived simultaneous pressure differences (\n                    <jats:italic>r<\/jats:italic>\n                    \u2009=\u20090.40,\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u20090.05). These findings demonstrate that VFM identifies loss of apical suction in LVA and reflects impaired LA\u2013LV driving force. VFM offers a practical noninvasive tool for evaluating diastolic suction beyond Doppler indices and may improve physiological assessment in post-infarction LV remodeling.\n                  <\/jats:p>","DOI":"10.1007\/s00380-026-02664-5","type":"journal-article","created":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T21:18:20Z","timestamp":1771276700000},"page":"641-652","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Late-systolic to early-diastolic hemodynamic force analysis in ischemic heart disease using vector flow mapping and invasive pressure measurement"],"prefix":"10.1007","volume":"41","author":[{"given":"Takushi","family":"Sugiyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0127-2118","authenticated-orcid":false,"given":"Naoyuki","family":"Otani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruka","family":"Noma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harunori","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanori","family":"Yasu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasuhiro","family":"Maejima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,16]]},"reference":[{"key":"2664_CR1","doi-asserted-by":"publisher","first-page":"545","DOI":"10.1038\/nrcardio.2014.75","volume":"11","author":"G Pedrizzetti","year":"2014","unstructured":"Pedrizzetti G, La Canna G, Alfieri O, Tonti G (2014) The vortex\u2014an early predictor of cardiovascular outcome? 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