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Traditionally aortic valve replacement (AVR) has been recommended immediately after the onset of heart failure (HF) symptoms. However, recent evidence suggests that AVR outcome can be improved if performed earlier. After AVR, the process of left ventricle (LV) reverse remodelling (RR) is variable and frequently incomplete. In this study, we aimed at detecting mechanism underlying the process of LV RR regarding myocardial structural, functional and molecular changes before the onset of HF symptoms. Wistar-Han rats were subjected to 7-weeks of ascending aortic-banding followed by a 2-week period of debanding to resemble AS-induced LV remodelling and the early events of AVR-induced RR, respectively. This resulted in 3 groups: Sham (n\u2009=\u200910), Banding (Ba, n\u2009=\u200915) and Debanding (Deb, n\u2009=\u200910). Concentric hypertrophy and diastolic dysfunction (DD) were patent in the Ba group. Aortic-debanding induced RR, which promoted LV functional recovery, while cardiac structure did not normalise. Cardiac parameters of RV dysfunction, assessed by echocardiography and at the cardiomyocyte level prevailed altered after debanding. After debanding, these alterations were accompanied by persistent changes in pathways associated to myocardial hypertrophy, fibrosis and LV inflammation. Aortic banding induced pulmonary arterial wall thickness to increase and correlates negatively with effort intolerance and positively with E\/e\u2032 and left atrial area. We described dysregulated pathways in LV and RV remodelling and RR after AVR. Importantly we showed important RV-side effects of aortic constriction, highlighting the impact that LV-reverse remodelling has on both ventricles.<\/jats:p>","DOI":"10.1038\/s41598-019-39581-9","type":"journal-article","created":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T11:27:43Z","timestamp":1551266863000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Characterization of biventricular alterations in myocardial (reverse) remodelling in aortic banding-induced chronic pressure overload"],"prefix":"10.1038","volume":"9","author":[{"given":"Daniela","family":"Miranda-Silva","sequence":"first","affiliation":[]},{"given":"Patr\u00edcia","family":"Gon\u00e7alves-Rodrigues","sequence":"additional","affiliation":[]},{"given":"Jo\u00e3o","family":"Almeida-Coelho","sequence":"additional","affiliation":[]},{"given":"Nazha","family":"Hamdani","sequence":"additional","affiliation":[]},{"given":"T\u00e2nia","family":"Lima","sequence":"additional","affiliation":[]},{"given":"Gl\u00f3ria","family":"Concei\u00e7\u00e3o","sequence":"additional","affiliation":[]},{"given":"Cl\u00e1udia","family":"Sousa-Mendes","sequence":"additional","affiliation":[]},{"family":"Cl\u00e1udia-Moura","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5986-6528","authenticated-orcid":false,"given":"Arantxa","family":"Gonz\u00e1lez","sequence":"additional","affiliation":[]},{"given":"Javier","family":"D\u00edez","sequence":"additional","affiliation":[]},{"given":"Wolfgang A.","family":"Linke","sequence":"additional","affiliation":[]},{"given":"Adelino","family":"Leite-Moreira","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1937-3782","authenticated-orcid":false,"given":"In\u00eas","family":"Falc\u00e3o-Pires","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2019,2,27]]},"reference":[{"key":"39581_CR1","first-page":"55","volume":"42","author":"M Taylor","year":"2001","unstructured":"Taylor, M. et al. 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