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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Filename: models/Detail_model.php
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Function: strpos
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Function: insertAPISummary
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Filename: helpers/my_audit_helper.php
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Filename: controllers/Detail.php
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Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Function: _error_handler
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Filename: controllers/Detail.php
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Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Line: 257
Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Function: _error_handler
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Message: file_get_contents(https://...@gmail.com&api_key=61f08fa0b96a73de8c900d749fcb997acc09): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
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Function: simplexml_load_file_from_url
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Aims: After an old myocardial infarction (MI), patients are at risk for reentrant ventricular tachycardia (VT) due to scar tissue that can be accurately identified by late gadolinium enhancement cardiac magnetic resonance (LGE-CMR). Although the ability of LGE-CMR to predict sustained VT in implantable cardioverter-defibrillator (ICD) recipients has been well established, its use to predict monomorphic VT (sustained or not) cycle length (CL) and so, optimize ICD programming has never been investigated.
Methods And Results: We included retrospectively 49 consecutive patients with an old MI who had undergone LGE-CMR before ICD implantation over a 4-year period (2006-09). Patients with amiodarone used were excluded. Scar extent was assessed by measuring scar mass, percent scar, and transmural scar extent. The endpoint was the occurrence of monomorphic VT, requiring an ICD therapy or not. The endpoint occurred in 26 patients. The median follow-up duration was 31 months. Scar extent parameters were significantly correlated with the study endpoint. With univariate regression analysis, the scar mass had the highest correlation with the VT CL (R = 0.671, P = 0.0002). Receiver-operating characteristic curve showed that scar mass can predict VT CL (area under the curve = 0.977, P < 0.0001). For a cut-off value of scar mass at 17.6 g, there is 100% specificity and 94.4% sensitivity.
Conclusion: In this observational and retrospective study, scar mass studied by LGE-CMR was specific and sensitive to predict VT CL and so could be a promising option to improve ICD post-implantation programming and decrease appropriate and inappropriate shocks. These conclusions must now be confirmed in a large and prospective study.
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Source |
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http://dx.doi.org/10.1093/europace/eut289 | DOI Listing |
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