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Trichrome 염색법을 이용한 장내 원충류 감염 실태 연구 : 원주기독병원 내원 환자를 중심으로

Other Titles
 Study on the status of intestinal protozoan infection by trichrome staining method in patients of Wonju Christian Hospital 
Authors
 김미라 
Issue Date
1987
Description
보건정보관리학과/석사
Abstract
[한글]본 조사연구에서는 1986년 4년부터 1987년 2월까지 원주기독병원에 내원하는 환자를 대

상으로 우리나라에서는 처음으로 고정액을 사용하여 가검물을 보존시킨 후, trichrome염

색법을 이용한 장내 원충류 감염실태를 파악하였다. 또 지금까지 원충류 검사법으로 가장

많이 이용되고 있는 formalin-ether원심침전법( MGL법)을 동시에 실시하여 두방법간에

원충류 검출률, 감수성 및 예측도등을 비교 검토하였다.

피검자 390명 중 55명(14.2%)이 장내 원충류에 감염된 것으로 나타났으며, 4종의 원충

영양형과 포낭형이 관찰되었고, 왜소아메바 6.2%, 대장아메바 3.5%, 이질아메바 3.1%, 람

블편모충 1.3% 순이었다. 성별에 따른 각 원충류의 감염률간에는 유의한 차이가 없었으며

, 연령에 따른 장내 원충류 감염률은 10세 이하군과 61세 이상군에서 왜소아메바가 높은

감염률을 보였으나, 통계적인 유의한 차이는 보이지 않았다. 대상자들의 거주지에 따라

도시와 농촌으로 나누어 감염 양상을 살펴보았으나, 각 원충류 감염률은 유의한 차이가

없었으며, 계절별로도 유의한 차이는 관찰되지 않았다. 병원성있는 이질아메바와 람블편

모충이 주로 설사 증상을 일으키므로 대변의 양상에 따른 감염률을 비교했을 때 설사변 1

12명 중 22.3%(25명)가, 보통 혹은 고형변 278명 중 10.8%(30명)가 원충에 감점된 것으로

나타났고, 이질아메바의 경우 설사변에서 양성률이 높았으나 유의한 차이는 보이지 않았

다. formalin-ether 원심침전법 후 Lugol's iodine염색법과 trichrome염색법간에 장내 원

충검출률을 비교하면 총 390건 중 Lugol's염색법이 4.4%(17건), trichrome염색법이 14.2%

(55건)가 양성으로, 두 방법의 원충 검출률간에 통계적인 유의한 차이를 보였다. 또한 두

방법의 감수성을 비교하면 Lugol's염색법 28%, trichrome염색법 92%이며, 위음성은 Lugo

l's염색법 72%, trichrome염색법 8%이고, 음성예측도는 각각 88%, 99%로 trichrome염색법

이 장내 원충류 검사법으로 신뢰도 높은 방법이었다.

[영문]

The present study was undertaken for the first time in Korea in order to

elucidate the infection status of intestinal protozoa by the trichrome staining

method after presenting the specimen in a fixative solution. A study of the

intestinal protozoa detection rate, the sensitivity and the predictive value using

two staining methods which were then campared. The first method was trichrome

staining. The second was Lugol's iodine method used following formalin-ether

concentration (MGL), a most widely used protozoa examination. During the period

from April 1986 to February 1987, a total of 390 samples from patients of Wonju

Christian Hospital were collected and examined.

The results of the study are summarized as follows:

The infection rate of 390 patients by intestinal protozoa was 14.2% using the

trichrome staining method. Four species of protozoan trophozoites and cysts were

detected, and the infection rate of each intestinal protozoa was 6.2% for Endolimax

nana, 3.6% for Endamoeba coli, 3.1% for Entamoeba histolytica, and 1.4% for Giardia

lamblia.

High infection rates were shown in the following age groups for the specified

protozoa : Entamoeba histolytica in the 11-20 age group, Entamoeba coli in the

51-60 age group arid Endolimax nana in the under 10 age group and above 60 age

group. But there was no significant statistical difference.

The residential infection rates of intestinal protozoa were 16.7% for the urban,

and 11.0% for the rural group, but there was no significant statistical difference.

The seasonal infection rate of Intestinal protozoa was 12.3% in autumn, and

15.2-15.8% in the other seasons, but again no significant statistical difference.

The infection rate of intestinal protozoa by fecal condition was higher for

diarrhea than for moderate or solid state feces, and the positive rate of

pathogenic Entamoeba histolytica was 6.3% lot diarrhea compared with 1.8% for

moderate or solid state. But there was no significant statistical difference.

The detection rate of intestinal protozoa was 4.4% by Lugol's method compared

with 14.2% by trichrome staining. So the detection rate of intestinal protozoa was

higher using trichrome staining than with Lugol's method. The sensitivity was 28%

by Lugol's method, 92% by trichrome staining false negative, 72%, and 8%

respectively. Negative predictive value was 88% by Lugol's method, and 99% by

trichrome staining method. So we concluded that the trichrome staining method was

the most reliable method of examination of intestinal protozoa.
Appears in Collections:
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 2. Thesis
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/115295
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