ISSN 1004-4140
CN 11-3017/P
XIONG Li-qin, CHEN Jun, WANG Ya-se, FENG Jin-kun, WANG Jun. SWI Detection of Acute Cerebral Infarction Accompanied by Micro Acute Hemorrhage Clinical Value[J]. CT Theory and Applications, 2016, 25(1): 111-117. DOI: 10.15953/j.1004-4140.2016.25.01.14
Citation: XIONG Li-qin, CHEN Jun, WANG Ya-se, FENG Jin-kun, WANG Jun. SWI Detection of Acute Cerebral Infarction Accompanied by Micro Acute Hemorrhage Clinical Value[J]. CT Theory and Applications, 2016, 25(1): 111-117. DOI: 10.15953/j.1004-4140.2016.25.01.14

SWI Detection of Acute Cerebral Infarction Accompanied by Micro Acute Hemorrhage Clinical Value

  • Objective: To investigate the diagnostic value of susceptibility-weighted imaging(SWI) in acute cerebral infarction with cerebral microbleeds and monitoring function of cerebral infarction patients after thrombolytic therapy. Methods: 64 patients in our hospital with acute cerebral infarction were performed with conventional MRI, DWI, SWI and CT. The following analyses were performed. To record the detection rate of conventional MRI, DWI, SWI and CT in acute cerebral infarction with CMBs cases, and distribution feature of CMBs in SWI image. According to the number of CMBs on SWI sequence, we classify these cases as mild, moderate, severe. Review patients with thrombolytic treatment after 48 h. Result: The detection rates of acute cerebral infarction with CMBs were 39.0%(SWI), 0.03%(conventional MRI), 7.8%(DWI), and 0.0%(CT), respectively. There was significant difference among these different scanning methods. According to the number of CMBs in patients with acute cerebral infarction on SWI sequence, the proportion was 20%(mild), 64%(moderate), 16%(severe), respectively. The most common classification was moderate in our cases. Review acute cerebral infarction patients with thrombolytic treatment after 48 h, not only SWI detected new intracerebral hemorrhage, but also volume and number of some CMBs increased. SWI was more sensitive to detect hemorrhage in acute cerebral infarction patients compare with conventional MRI, DWI and CT. Therefore SWI can be a monitoring method of cerebral infarction patients after thrombolytic therapy. Conclusion: Contrast with conventional MRI, DWI and CT, SWI has obvious advantages in detecting CMBs in acute cerebral infarction patients. This has great value for patients with acute cerebral infarction in thrombolytic therapy screening and assessment. SWI was more sensitive to detect secondary intracerebral hemorrhage in acute cerebral infarction patients review after thrombolytic treatment compare with conventional MRI, DWI and CT. It has important prognostic monitoring function. SWI is expected to replace CT, to be the first choice for the patients with acute cerebral infarction accompanied by micro acute hemorrhage.
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