442 414

Cited 0 times in

보툴리눔 A 형 독소 주사가 교근의 근전도에 미치는 영향

Other Titles
 Influence of botulinum toxin A injection on the electromyographic activity of masseter muscle 
Authors
 김한석 
Issue Date
2004
Description
치의학과/석사
Abstract
[한글]

총 23 명의 지원자를 무작위적으로 A, B, C, 3개 의 집단으로 구분하여 A 집단에는 양측 교근에 각각 25단위의 독소를 주사하였고 B 집단에는 각각 35단위의 독소를 주사하였다. C 집단은 대조군으로 생리 식염수를 주사하였다.

각각의 집단에서 주사 전과 주사 후 2주, 4주, 8주, 12주, 24주에 걸쳐 교근의 천층과 전방 측두근에서 근전도를 측정하여 시간의 경과에 따른 근전도 값의 변화와 독소의 사용량에 따른 근전도 값의 변화의 차이를 조사하였다.

본 연구의 결과는 다음과 같다.

1. BTX-A를 주사한 두 집단에서는 주사 후 교근에서 근전도의 활성의 감소를 보였으며 주사 후 약 2주 경까지 급격히 감소하였다.

2. 감소된 교근의 근전도는 주사 후 약 8주부터 회귀를 보였으며 24주가 경과한 후 에도 주사 전과 비교하여 100%의 회귀를 보이지는 않았다.

3. 35단위를 사용했던 집단이 25단위를 사용하였던 집단에 비해서 치료 지속시간이 길어지거나 근전도 값이 더 많이 감소되지는 않았으며, 오히려 24주가 경과한 후 회귀량은 35단위를 사용했던 집단에서 더 컸다.

4. 주사 후 교근의 활성 감소에 따른 측두근의 보상성 근전도 활성 증가는 보이지 않았다.





[영문]23 applicants were randomly divided into 3 groups(A, B, C). In group A, 25 unit of BTX-A was unilaterally injected into masseter muscle(bilaterally 50 unit) and in group B, 35 unit was unilaterally injected(bilaterally 70 unit). In group C, controlled group, normal saline was injected.

In each of them, EMG was examined before injection and 2weeks, 4weeks, 8weeks, 12weeks, 24 weeks after injection.

The changes of EMG value was insighted by elapsed time in each group, and at each time, the differences of the change of EMG value was also investigated among the groups. Then these results were analysed statistically.

The conclusions of this study were followings

1. In two groups with BTX-A injection, EMG activity of masseter muscles was reduced and it was suddenly reduced within 2weeks after injection.

2. From 8weeks after injection, EMG activity of masseter muscles began to rebound, but at 24 weeks after injection, was still lower than that of pre-injection.

3. More reduction was not occurred in the group B than in the group A and therapeutic effect also was not maintained longer in the group B than in the group A. In addition, rebound of EMG value was more in group B than in group A.

4. Even though EMG activity of masseter muscle was reduced, there was no change in the EMG activity of temporal muscle.
Files in This Item:
T008016.pdf Download
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Advanced General Dentistry (통합치의학과) > 2. Thesis
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/128827
사서에게 알리기
  feedback

qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse

Links