脑出血血肿吸收时间 大鼠脑出血血肿周围半暗带及其时间窗的探讨.docx

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1、脑出血血肿吸收时间 大鼠脑出血血肿周围半暗带及其时间窗的探讨 中图分类号:R743.3 文献标 识码:A 文章编号:1009_816X(2010)04_0270_03 DOI:10.3969/j.issn.1009_816X.2010.04.07 Explore the Intracranial Hematoncus Penumbra and Time Window in Rats. TIAN Wei,ZHAO Qiang,GAO Chang, et al. Department of Neurology, Ningbo development zone s central hospital,

2、 Zhejiang 315800, China Abstract ObjectiveTo study penumbra of perihematoma and the time window in r at model of intracerebral hemorrhage.MethodsWe used coagulated autologous blo od to establish the rat model of intracerebral hemorrhage and employed TTC and H E staining to identify normal tissue、isc

3、hemic tissue、and necrotic foci. Theischemic scope and necrotic scope were analyzed quantitatively by image analysi s technique. Furthermore, the time window of perihematoma penumbra area was dete rmined by statistical analysis of perihematoma penumbra area at different time g roups.Results It sugges

4、ted that penumbra index would gradually reduce with theincrease of post hemorrhage time according to groups of 2h、3h、4h and 6h in r at model of intracerebral hemorrhage, the penumbra index was significantly lowerin 6h group than in 2h and 3h groups (P 参考文献 1Astrup J, Symon L, Branston MM, et al. Cor

5、tical evoked potential an d extracellular K+ and H+ at critical levels of brain ischemiaJ. Stroke,197 7,8(1):51-57. 2Tanizaki T. Improvement of cerebral blood flow following stereotactic surge ry in patients with putaminal haemorrhageJ. Acta Neurochir(Wien),1988,90:103 -110. 3Nath FP, Kelly PT, Jenk

6、ins A, et al. Effect of experimental intracerebral h emorrhage on blood flow,capillary permeability, and histochemistryJ. J Neuro surg,1987,66(4):555-562. 4Lee KR, Kawaii N, Kim S, et al. Mechanism of edema formation after intracer ebral hemorrhage: Effect of thrombin on cerebral blood flow, blood_b

7、rain barrierpermeability, and cell survival in rat modelJ. J Neurosurg,1997,86(2):272- 278. 5Yonezava T, Hashimoto H, Sakaki T. Serial chang of cerebral blood flow afte r collagenase induced intracerebral hemorrhage. in ratsJ. No Shinkei Geka,19 99,27:419-425. 6李红玲,樊金兰,陈维.脑出血试验动物模型J. Neural Injury a

8、nd Functional Re const runruction, November,2006,1(4):130. 7陈彦克,陈衔城.自发性脑出血动物模型J.国外医学•脑血管分册,2004,12(8):576 -6781. 8Sinar EJ, Mendelow AD, Graham DI, et al. GM. Experimental intracerebral he morrhage: effects of a temporary mass lesionJ. J Neurosurg,1987,66(4):568- 576. 9Kingman TA, Mendelow AD, Graham DI, et al. Experimental intracerebral mass:time_related effects on local cerebral blood flowJ. J Neurosurg,1987,67(5 ):732-738.

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