Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
The saphenous vein is a frequently used graft material in coronary artery bypass grafting. In this review, three harvesting techniques are presented, and their benefits and disadvantages are discussed. Endoscopic harvesting (EVH) has reduced harvest site complications. The method is safe in terms of mortality, myocardial infarction and revascu-larisation frequency compared with open vein harvesting. A recent meta-analysis recommends EVH as first of choice. The no-touch technique has shown a tendency towards increased graft patency, however, further studies are needed in comparing this technique with EVH.
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