1.0Cardiovascular Journal of Africahttps://cvja.co.za/journalrich600338<blockquote class="wp-embedded-content" data-secret="3CNh8LCqdT"><a href="https://cvja.co.za/journal/cvja-2025-004/">Effect of percutaneous coronary intervention with prolonged balloon pre-dilation on coronary flow in ST-segment elevation myocardial infarction</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://cvja.co.za/journal/cvja-2025-004/embed/#?secret=3CNh8LCqdT" width="600" height="338" title="“Effect of percutaneous coronary intervention with prolonged balloon pre-dilation on coronary flow in ST-segment elevation myocardial infarction” — Cardiovascular Journal of Africa" data-secret="3CNh8LCqdT" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> Coronary artery disease is the leading cause of death worldwide. Prompt revascularisation is crucial once a diagnosis of ST-segment elevation myocardial infarction (STEMI) is established. It is well-known that improved coronary flow and perfusion result in better long-term outcomes. In our study, we aimed to compare the effects of balloon angioplasty with prolonged and brief balloon inflation on coronary flow in primary percutaneous coronary intervention (PCI) in STEMI patients.