What question did this study set out to answer?

The study aims to evaluate the safety and effectiveness of intracoronary nitroprusside before balloon dilatation in preventing slow reflow during PCI in AMI.

January 1, 2007International Heart JournalOpen Access

Selective Intracoronary Administration of Nitroprusside Before Balloon Dilatation Prevents Slow Reflow During Percutaneous Coronary Intervention in Patients With Acute Myocardial Infarction

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Why the study?

Does selective intracoronary administration of nitroprusside before balloon dilatation prevent slow reflow in patients with acute myocardial infarction undergoing PCI?

Key Points

The study aims to evaluate the safety and effectiveness of intracoronary nitroprusside before balloon dilatation in preventing slow reflow during PCI in AMI.
120 consecutive patients with acute myocardial infarction were studied.
60 patients received nitroprusside (120 µg) through a drug delivery catheter before PCI.
Clinical and angiographic outcomes were compared to a control group of 60 patients with standard PCI.
Nitroprusside group had significantly less slow reflow (12% vs 35%, P = 0.0025).
Fluoroscopic time was shorter in the nitroprusside group (14.4 ± 7.9 min vs 18.7 ± 9.1 min, P = 0.0093).
Final TIMI flow grade was better in the nitroprusside group (III:II:I:0 = 59:1:0:0 vs 53:6:1:0, P = 0.0284).

Structured PICO

Does selective intracoronary administration of nitroprusside before balloon dilatation prevent slow reflow in patients with acute myocardial infarction undergoing PCI?

Population

120 consecutive patients with acute myocardial infarction (AMI) treated by percutaneous coronary intervention (PCI)

Intervention

Nitroprusside (120 μg) selectively administered through a drug delivery catheter into the distal coronary artery to reach the target lesion before balloon dilatation

Comparator

Conventional PCI without nitroprusside

Outcome

Incidence of slow reflow during the proceduresurrogate

Selective intracoronary administration of nitroprusside prior to balloon dilatation during PCI for AMI safely reduces the incidence of slow reflow and improves angiographic reperfusion markers.

Discussion

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Implication

May reduce slow reflow in AMI PCI; hypothesis-generating and requires randomized confirmation before practice change.

Cite This Study

Shinozaki et al. (2007) studied this question.

synapsesocial.com/papers/6a7094a6c2d7c3090826ef07 https://doi.org/10.1536/ihj.48.423

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Selective Intracoronary Administration of Nitroprusside Before Balloon Dilatation Prevents Slow Reflow During Percutaneous Coronary Intervention in Patients With Acute Myocardial Infarction

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Selective Intracoronary Administration of Nitroprusside Before Balloon Dilatation Prevents Slow Reflow During Percutaneous Coronary Intervention in Patients With Acute Myocardial Infarction

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider