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논문 기본 정보

자료유형
학술저널
저자정보
한인보 (연세대학교 의과대학 신경외과학교실, 뇌연구소) 장종희 (연세대학교 의과대학 신경외과학교실, 뇌연구소) 장진우 (연세대학교 의과대학 신경외과학교실, 뇌연구소) 박용구 (연세대학교 의과대학 신경외과학교실, 뇌연구소) 김동익 (연세대학교 의과대학 진단방사선과학교실) 정상섭 (연세대학교 의과대학 신경외과학교실, 뇌연구소)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제30권 제1호
발행연도
2001.1
수록면
44 - 50 (7page)

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Objectives : The objective of this study was to investigate the role of postoperative three dimensional short-range magnetic resonance angiography(3D-TOF MRA) in predicting the clinical outcomes following microvascular decompression(MVD) for the treatment of a hemifacial spasm(HFS). Material and Method : Postoperative magnetic resonance(MR) imaging was performed on 123 patients with a HFS between March 1999 and May 2000. All patients who had postoperative MR imaging were undertaken preoperative MR imaging. Of the 123 patients, 122 patients were included in this retrospective study. The degree of the detachment of vascular contact, and change of the position of offender were determined by pre- and postoperative 3D-TOF MRA. These findings were compared with the surgical findings and clinical outcomes. Results : Of 122 patients who had successful MVD, clear decompression of offenders of the root entry zone(REZ) of facial nerve was found in 106 patients(86.9%), partial decompression in 10 patients(8.2%) and contact of offenders to the REZ of facial nerve in 6 patients(4.9%) by the postoperative 3D-TOF MRA. Our patients demonstrated that the types of offender did not influence with the degree of decompression of REZ of facial nerve and with surgical outcomes(p>0.05). Also, there was no significant relationship between the degree of decompression of the REZ of facial nerve from offenders and an improvement of symptoms(p>0.05). Futhermore, there was no significant relationship between the degree of decompression of the REZ of facial nerve from offenders and an improvement time (p>0.05). Conclusion : Our data suggests that MVD of facial nerve alone may not be sufficient to resolve the symptoms in all patients with hemifacial spasm. Therefore, another unknown factors besides vascular compression may be involved to cause symptoms in certain patients and it may be necessary to remove these factors with MVD simultaneously to obtain the resolution of symptom.

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