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반측성 안면경련증 환자에서 안면신경의 미세혈관감압술 후에 시행한 자기공명영상의 역할

Other Titles
 The Role of Postoperative Magnetic Resonance Imaging of Microvascular Decompression of the Facial Nerve in Patients with Hemifacial Spasm 
 한인보  ;  장종희  ;  장진우  ;  박용구  ;  김동익  ;  정상섭 
 Journal of Korean Neurosurgical Society (대한신경외과학회지), Vol.30(12 Suppl. 1) : 44-50, 2001 
Journal Title
Journal of Korean Neurosurgical Society(대한신경외과학회지)
Issue Date
Hemifacial spasm ; Microvascular decompression ; Magnetic resonance angiography ; Facial nerve
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 detach-ment 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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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Ik(김동익)
Park, Yong Gou(박용구)
Chang, Jong Hee(장종희) ORCID logo https://orcid.org/0000-0003-1509-9800
Chang, Jin Woo(장진우) ORCID logo https://orcid.org/0000-0002-2717-0101
Chung, Sang Sup(정상섭)
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