Cardiac preconditioning during percutaneous coronary interventions

Hani Jneid, Massoud Leessar, Roberto Bolli

Research output: Contribution to journalArticle

Abstract

Ischemic preconditioning (PC) is a polygenic defensive cellular adaptive phenomenon of the heart to ischemic stress, whereby the heart changes its phenotype to become more resistant to subsequent ischemia. Early and late of PC represent two chronologically and pathophysiologically distinct phases of this phenomenon, which can be recruited pharmacologically. We represent a post hoc analysis examining the late PC-mimetic effects of nitroglycerin (NTG) on peri-procedural myocardial necrosis during percutaneous coronary intervention (PCI). A group of 66 patients presenting with angina were randomized, 24 h prior to a scheduled PCI for single obstructive CAD, to a 4 h pretreatment with intravenous NTG or saline. Measurements of electrocardiographic ST-segment shifts, echocardiographic regional wall motion and angina scores demonstrated that NTG pre-treatment preconditioned the heart by rendering it resistant to ischemia during balloon inflations. NTG-pretreated patients exhibited trends towards lower average peak CK (131.1 vs. 188.6 U/L, P = 0.38) and CK-MB levels (7.1 vs. 12.6 ng/ml, P = 0.40). NTG, however, had no significant impact on the incidence of post-procedural MI or any cardiac enzyme elevation. The exploitation of ischemic and pharmacological PC may prove a useful strategy to confer cardioprotection during high-risk PCI and is worth exploring.

Original languageEnglish (US)
Pages (from-to)211-217
Number of pages7
JournalCardiovascular Drugs and Therapy
Volume19
Issue number3
DOIs
StatePublished - May 2005
Externally publishedYes

Fingerprint

Nitroglycerin
Percutaneous Coronary Intervention
Ischemic Preconditioning
Ischemia
Economic Inflation
Necrosis
Pharmacology
Phenotype
Incidence
Enzymes

Keywords

  • Ischemia
  • Nitroglycerin
  • Percutaneous coronary intervention
  • Preconditioning
  • Stable angina

ASJC Scopus subject areas

  • Pharmacology (medical)
  • Cardiology and Cardiovascular Medicine
  • Pharmacology

Cite this

Cardiac preconditioning during percutaneous coronary interventions. / Jneid, Hani; Leessar, Massoud; Bolli, Roberto.

In: Cardiovascular Drugs and Therapy, Vol. 19, No. 3, 05.2005, p. 211-217.

Research output: Contribution to journalArticle

Jneid, Hani ; Leessar, Massoud ; Bolli, Roberto. / Cardiac preconditioning during percutaneous coronary interventions. In: Cardiovascular Drugs and Therapy. 2005 ; Vol. 19, No. 3. pp. 211-217.
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