{"version":"1.0","provider_name":"Cardiovascular Journal of Africa","provider_url":"https:\/\/cvja.co.za\/journal","title":"Estimated glomerular filtration rate may not be correlated with the grade of coronary collateral circulation in patients with chronic total occlusion - Cardiovascular Journal of Africa","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Rtt0iTLQ6F\"><a href=\"https:\/\/cvja.co.za\/journal\/cvja-2025-042\/\">Estimated glomerular filtration rate may not be correlated with the grade of coronary collateral circulation in patients with chronic total occlusion<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/cvja.co.za\/journal\/cvja-2025-042\/embed\/#?secret=Rtt0iTLQ6F\" width=\"600\" height=\"338\" title=\"&#8220;Estimated glomerular filtration rate may not be correlated with the grade of coronary collateral circulation in patients with chronic total occlusion&#8221; &#8212; Cardiovascular Journal of Africa\" data-secret=\"Rtt0iTLQ6F\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/cvja.co.za\/journal\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"The impact of baseline renal function on coronary collateral circulation (CCC) development remains debated. This study aimed to assess the relationship between CCC grade and estimated glomerular filtration rate (eGFR) in patients undergoing percutaneous coronary intervention (PCI) for chronic total occlusion (CTO)."}