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A new catheter-based method (CoFI, Controlled Flow Infusion) has recently been developed to diagnose MVO in the catheterization laboratory during acute therapy of the heart attack. A porcine MVO model demonstrates that CoFI can accurately identify the increased hydraulic resistance of the affected microvascular bed. A benchtop microcirculation model was developed and tuned to reproduce\n                    <jats:italic>in vivo<\/jats:italic>\n                    MVO characteristics. The tuned benchtop model was then used to systematically study the effect of different levels of collateral flow. These experiments showed that measurements obtained in the catheter-based method were adversely affected such that collateral flow may be misinterpreted as MVO. Based on further analysis of the measured data, concepts to mitigate the adverse effects were formulated which allow discrimination between collateral flow and MVO.\n                  <\/jats:p>","DOI":"10.1007\/s10439-022-02985-2","type":"journal-article","created":{"date-parts":[[2022,5,31]],"date-time":"2022-05-31T10:05:00Z","timestamp":1653991500000},"page":"1090-1102","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Effect of Collateral Flow on Catheter-Based Assessment of Cardiac Microvascular Obstruction"],"prefix":"10.1007","volume":"50","author":[{"given":"Mirunalini","family":"Thirugnanasambandam","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabrina","family":"Frey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yannick","family":"R\u00f6sch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alberto","family":"Mantegazza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Clavica","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert S.","family":"Schwartz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikola","family":"Cesarovic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6062-9076","authenticated-orcid":false,"given":"Dominik","family":"Obrist","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,5,31]]},"reference":[{"key":"2985_CR1","doi-asserted-by":"publisher","first-page":"1649","DOI":"10.1016\/j.jacc.2009.12.037","volume":"55","author":"SCAM Bekkers","year":"2010","unstructured":"Bekkers, S. 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