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  • Ramzy, Ihab S.Umeå universitet,Kardiologi (författare)

Ventricular endocrine and mechanical function following thrombolysis for acute myocardial infarction

  • Artikel/kapitelEngelska2007

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2007
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-53471
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-53471URI
  • https://doi.org/10.1016/j.ijcard.2006.04.052DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Objective The objective of this study was to assess natriuretic peptide release following acute myocardial infarction, and its relationship with ventricular function. Methods A total of 44 patients with acute myocardial infarction were studied; 13 anterior, age (57 Â± 12 years) and 31 inferior, age (58 Â± 12 years). Peptide levels and left ventricular function by echocardiography were assessed at admission and on days 7 and 30 after thrombolysis. Healthy volunteers (n = 21) served as controls. Results Atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP) levels rose from admission to day 7 (p = 0.002). While ANP remained elevated at day 30 in both groups, BNP levels fell in patients with anterior myocardial infarction (p = 0.03). Left ventricular fractional shortening was reduced at admission in the two groups (p = 0.01) but returned towards normal in 7 days (p = 0.001) in inferior myocardial infarction and in 30 days in anterior myocardial infarction (p = 0.02). Left ventricular long axis amplitude was universally reduced at admission (p = 0.01) and remained abnormal at day 30 (p = 0.01) in both groups. At day 7, BNP and ANP levels inversely correlated with long axis amplitude of lateral wall in anterior myocardial infarction; (r = âˆ’ 0.7, p = 0.01). BNP correlated inversely with fractional shortening in anterior myocardial infarction (r = âˆ’ 0.7, p = 0.01) at day 30. Conclusion The elevated peptide levels at 7 days post-myocardial infarction correlate with reduced mechanical activity of the adjacent noninfarcted segment. Natriuretic peptides release seem to be related to failure of compensatory hyperdynamic activity of the noninfarcted area rather than directly from the injured myocardial segments.

Ämnesord och genrebeteckningar

  • Myocardial infarction
  • Ventricular function
  • Natriuretic peptides
  • Thrombolysis

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Daly, Caroline A. (författare)
  • O'Sullivan, Christine A. (författare)
  • Lam, Yat-Yin (författare)
  • Kemp, Michael (författare)
  • Hooper, James (författare)
  • Dancy, Mark (författare)
  • Henein, Michael Y.Umeå universitet,Kardiologi(Swepub:umu)mihe0015 (författare)
  • Umeå universitetKardiologi (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:International Journal of Cardiology: Elsevier BV117:1, s. 51-580167-52731874-1754

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