Severity: Warning
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Filename: drivers/Session_files_driver.php
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Filename: Session/Session.php
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File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
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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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
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Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: models/Detail_model.php
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Function: strpos
File: /var/www/html/application/controllers/Detail.php
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Function: insertAPISummary
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Function: require_once
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Filename: helpers/my_audit_helper.php
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File: /var/www/html/application/helpers/my_audit_helper.php
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Function: str_replace
File: /var/www/html/application/controllers/Detail.php
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Function: formatAIDetailSummary
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Function: require_once
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Message: Undefined array key "choices"
Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
Line Number: 256
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File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Message: Undefined array key "usage"
Filename: controllers/Detail.php
Line Number: 257
Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 257
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
Line Number: 257
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File: /var/www/html/application/controllers/Detail.php
Line: 257
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Message: Undefined array key "usage"
Filename: controllers/Detail.php
Line Number: 258
Backtrace:
File: /var/www/html/application/controllers/Detail.php
Line: 258
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 258
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File: /var/www/html/application/controllers/Detail.php
Line: 258
Function: _error_handler
File: /var/www/html/index.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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File: /var/www/html/application/controllers/Detail.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 260
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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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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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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File: /var/www/html/application/helpers/my_audit_helper.php
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Function: file_get_contents
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Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
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Function: getPubMedXML
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Function: pubMedSearch_Global
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Function: pubMedGetRelatedKeyword
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File: /var/www/html/application/helpers/my_audit_helper.php
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File: /var/www/html/application/controllers/Detail.php
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Function: pubMedGetRelatedKeyword
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Function: require_once
Background And Purpose: Recent studies show that successful endovascular thrombectomy 6 to 12 hours after stroke onset enhances functional outcomes 3 months later. In this study, we investigated the effects of reperfusion after ischemia on repair processes in the ischemic areas, as well as on functional recovery, using mouse stroke models.
Methods: We examined time-dependent histological changes and functional recovery after transient middle cerebral artery occlusion of different durations, including permanent middle cerebral artery occlusion, using the CB-17 (CB-17/lcr-+/+Jcl) mouse strain, which has poor pial collateral blood flow.
Results: Large microtubule-associated protein 2-negative areas of neuronal death were produced in mice subjected to ≥60 minutes of ischemia followed by reperfusion on day 1, while restricted microtubule-associated protein 2-negative regions were observed in mice subjected to a 45-minute period of ischemia. A substantial reduction in microtubule-associated protein 2-negative areas was observed on day 7 in mice given early reperfusion and was associated with better functional recovery. Klüver-Barrera staining demonstrated that white matter injury on day 1 was significantly lesser in mice with reperfusion. Immunohistochemistry and electron microscopy revealed that a greater number of endothelial cells were present in the infarct areas in mice with earlier reperfusion and were associated with a more rapid recruitment of platelet-derived growth factor receptor β-positive pericytes and subsequent intrainfarct fibrosis. Early reperfusion also resulted in a greater accumulation of glial fibrillary acidic protein-positive astrocytes in peri-infarct areas. Peri-infarct astrogliosis was attenuated in platelet-derived growth factor receptor β heterozygous knockout mice.
Conclusions: Early reperfusion after ischemia enhances the survival of endothelial cells and pericytes within ischemic areas even after the infarct is established, resulting in efficient intrainfarct fibrosis and peri-infarct astrogliosis. These effects might be associated with efficient peri-infarct reorganization and functional recovery.
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Source |
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http://dx.doi.org/10.1161/STROKEAHA.117.016689 | DOI Listing |
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