• Parasites, Hosts and Diseases
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• 제22권1호
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• pp.109-115
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• 1984

대구시민들에 있어서 장내 기생광충류의 최근 감염상을 알아보기 위해 1983연 3월부터 9월까지 대구시내 5개동(남구 봉덕동, 북구 노원동, 서구 비산동, 동구 신암동 및 수성구 수성동)주민를 조사 대상으로 선정하여 formalinether 집란법 및 scotch-tape 항문주위도말법으로 광충류 충란 검사를 실시하였다. 총 피검자 1,697명중 장내접충류 감염률은 27.9%이었으며, 이중 편충이 13.2%로 가장 높았고, 그 다음은 7.0%를 나타내는 요충이었으며, 구충은 0.:1로 가장 낮았다. 성별 감염률에 있어서 남자의 경우 간흡충, 요꼬가와흡충, 조충등은 여자에 비해서 그 율이 다소 높았으나, 편충의 경우에는 양자간에 유의적 차를 인정할 수 없었다. 연령군별 감염률에 있어서는 편충은 20∼29세군에서 남자 17.5%. 여자 17.6%로 가장 높았으며, 0∼9세군에서는 남자 5.5%, 여자 9.6%로 가장 낮았다. 간흡충은 30∼39세군에서 가장 높았으며 요꼬가와흡충도 간흡충과 비슷한 양상을 나타내었다. 혼합기생상에 있어서는 1종기생이 가장 많았고 다음은 2종의 중복기생이었으며, 3종의 혼합기생은 매우 적었다. 이상의 성적으로 미루어 보아 대구직할시 주민들에서의 장내 기생 윤충류 감염은 아직도 고율임을 알 수 있었다.

• Parasites, Hosts and Diseases
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• 제28권4호
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• pp.213-220
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• 1990

형산강 일대는 과거에 간흠충의 농후유행지로 알려진 지역으로, 이 강을 끼고 있는 포항 및 영일 일대 공업지역의 근로자를 대상으로 하여 최근에 간흠충 감염 여부를 검사하고 간흡충 감염과 관련된 사항에 관하여 설문조사를 시행하였다. 그 결과를 요약하면 다음과 같다. 1) 총 3,180 명을 대상으로 간흡충 항원을 이용하여 피내반응검사를 실시하였는데 26.2%인 834명이 양성이었다. 이들 양성자 중에서 598명을 검변하여 129명 (21.6%)의 간흡충란 양성자를 검출하였다. 그 이외에 편충 1.7%, 회충 0.3% 및 요꼬가와흡충 0.2%의 충란양성를을 얻었다. 2) 간흠충 감염자는 모두 20∼40대의 남자이었으며 띠감염 대조군에 띠해 유의하게 중학교 이하 지 학력자의 비율이 높았고, 형산강을 낀 포항시 및 영일군의 챙전 동(동)에 거주하는 사람의 띠율이 높았으며, 20년 이상 장기 거주자의 비율이 감염자 군에서 높았다. 약 20% 내외의 감띰자가 구충제를 점기 복음하였고, 간흡충 감염 여부에 관한 검사를 반은 적이 있고 기생충 감엄애 관한 교육을 받은 걱이 있다고 하였다. 또한 대부분의 조사 대상자가 기생충 관리에 대한 교육을 인하였다 3) 감염자 군에서 민물고기를 날로 먹는 습관을 가진 사람의 비율이 유의하게 많았으며 주로 등어, 입어 등을 소비하였다. 4) 감염자를 프라지관텐로 치료하고 1년 후에 검변한 결곽 치료자의 85.3%가 충란을 배출하지 않았다. 이상의 결과로 미루어 보면 형산강 일대에서 간흡충의 유행이 과거에 띠해 뚜렷하게 감소하였으나 아직도 많은 사람이 감염되어 있음을 확인할 수 있었다. 간흡충의 빠른 근절을 위해서는 올바른 진단과 치로 및 기생충에 관한 교육이 절실하게 요구된다.

• Journal of Nutrition and Health
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• 제11권4호
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• pp.11-23
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• 1978

This study is based on data from the nutritional and clinical survey in Chung Nam area, namely Myl-Yang-Ri, Yoon-Gok-Myon, Chyung Yang Koon. Under the direction of two Nutrition professors and two clinical pathology professors it was carried by 35 Dae Jeun medical Junior College students majoring in nutrition and clinical pathology from 18 July to 25 July 1978. The nutrition surveys were carried out with subjects in village from a total 67 households, 36 of them were randomly selected. The clinical surveys were carried out with subjects in village from a total 382 inhabitant, 154 inhabitant were randomly selected and 109 peoples were subjected to stool examination. The results obtained in this study are summarized as follows. 1) Nutritional survey a) Food Intake The average food intake per person per day in survey area was 929.9 grams (95.5% in vegetables and 4.5% in animal foods). The average consumption of the basicfood groups per person per day was 965g for meats and legumes (10.4% of the total food in take). 268.9g for fruits and vegetables (29% of the total food intake), 559.1g for cereals and potatoes(60.1% of the total food intake), 5.2g for milk and small fishes and 0.2g for fats and oils. b) Nutrient Intake The average daily consumption of calories and nutrients was 2054.1 kcal and 61.2g for total proteins, 223.2mg for calcium, 9.5mg for iron, 4914.4 IU for vitamin A, 1.5mg for thiamin, 1.2mg for riboflavin, 19.9mg for niacin and 54.7mg for ascorbic acid. When these figures are compared with the recommended allowances for Korean, the calories and nutrients intakes were insufficient. Especially the intakes of the calcium were lower than the recommended allowance which are 500 milligrams per day. c) Kinds of food stuffs consumed The kinds of food stuffs consumed by the subjects were 47 figures total. Generally these kinds of food were vegetables food. 2) Clinical Survey a) The mean value of hemoglobin from 72 males was 13.2g/dl, that of 82 females was 12.3g/dl. b) The proportion of low hemoglobin (<12.2g/dl for male and <11.3g/dl fo female) for male was 20.8%, females was 11.0% and from 24 male & female (both sexes) were 15.6% c) The mean value of Hematocrit of males was 39.6%, that of females was 37.4%. d) The mean value of MCHC of males was 33.9%, that of females was 33.6%. e) The ABO blood group was distributed as following; 30.5%, for group O, 29.2% for group A, 24.0% for group B, and 16.3% for AB group. Biochemical race index was 1.13. f) The over all prevalence rate of heminthic infectious by rate of each helminth was as following; Ascaris lumbricoides 33.9%, Thrichocephalus trichiurus 11.9%, Hookworm 0.9%, Hymenolepis diminuta 0.9%, Trichostromgylus orientalis 0.9% and the prevalence rate of two more helminthic infection was 7.2%.

• 농촌의학ㆍ지역보건
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• 제7권1호
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• pp.50-56
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• 1982

This study was undertaken to evaluate the present status of parasitic infection and swine pen human latrine system in Cheju Do, from July to September 1982. The 663 stool specimens (male 323 and female 340) and 579 scotch tape anal swabs collected from 161 households of 2 areas in Cheju Do were examined. The methods employed were formalin-ether technique for the prevalence rate of various helminthic and protozoan infection, and scotch tape anal swab technique for the prevalence rates of Enterobius vermicularis. In addition to these, questionaire was used to evaluate the present status of swine pen human latrine system and prevalence rates of taeniasis in these areas. The results are as follows ; 1) Prevalence rates of parasitic infections of any kind was 33.9%. It was 35.7% in Cheju City in contrast to 32.1% in North Cheju Gun. The infection rates of Trichuris trichiura was 10.0% and it was the highest prevalence rate in this survey. The prevalence rates of the other parasites were as follows ; Ascaris lumbricoides 2,3%, Hookworm 0.2%, Clonorchis sinensis 0.5%, Hymenolepis nana 1.5%, Entamoeba coli 3.2%, and Giardia lamblia 0.5%. 2) The infection rates of Enterobius vermicularis in 579 peoples (male 285, female 294) by applying scotch tape anal swab technique was 13.1% through the survey. It was 16.9 in Cheju City and 8.5% in North Cheju Gun. 3) The Infection rate of Taenia species by applying the stool examination and making up a question was 19.2%(21.4% in Cheju City and 16.7% in North Cheju Gun). 4) Sexual distribution of the parasitic infections showed slightly higher rate in female than that of male. 5) The positive rates of parasitic infection by the stool examination and questionaire positive cases of taeniasis were higher in 0-9 and over 60 year old than any other age group. 7) The swine pen human latrine systems were used in 46 households (28.6%). 7) Relationship between swine pen human latrine system and taeniasis was not noted.

• Parasites, Hosts and Diseases
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• 제50권2호
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• pp.173-176
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• 2012

Opisthorchis viverrini infection was found to be highly prevalent in 3 riverside villages (Ang Svay Chek A, B, and C) of the Prey Kabas District, Takeo Province. This area is located in the southern part of Cambodia, where the recovery of adult O. viverrini worms was recently reported. From May 2006 until May 2010, fecal examinations were performed on a total of 1,799 villagers using the Kato-Katz thick smear technique. In the 3 villages, the overall positive rate for helminth eggs ranged from 51.7 to 59.0% (av. 57.4%), and the percentage positive for O. viverrini was 46.4-50.6% (47.5%). Other helminths detected included hookworms (13.2%), echinostomes (2.9%), Trichuris trichiura (1.3%), Ascaris lumbricoides (0.6%), and Taenia spp. (0.06%). The prevalence of O. viverrini eggs appeared to reflect a lower infection in younger individuals (<20 years) than in the adult population (>20 years). Men (50.4%) revealed a significantly higher (P=0.02) prevalence than women (44.3%). The Ang Svay Chek villages of the Prey Kabas District, Takeo Province, Cambodia have been confirmed to be a highly endemic area for human O. viverrini infection.

• Parasites, Hosts and Diseases
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• 제52권6호
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• pp.661-666
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• 2014

In order to investigate the status of intestinal helminthic infections in Cambodia, epidemiological surveys were carried out on a national scale, including 19 provinces. A total of 32,201 fecal samples were collected from schoolchildren and adults between 2006 and 2011 and examined once by the Kato-Katz thick smear technique. The overall egg positive rate of intestinal helminths was 26.2%. The prevalence of hookworms was the highest (9.6%), followed by that of Opisthorchis viverrini/minute intestinal flukes (Ov/MIF) (5.7%), Ascaris lumbricoides (4.6%), and Trichuris trichiura (4.1%). Other types of parasites detected were Enterobius vermicularis (1.1%), Taenia spp. (0.4%), and Hymenolepis spp. (0.2%). The northwestern regions such as the Siem Reap, Oddar Meanchey, and Banteay Meanchey Provinces showed higher prevalences (17.4-22.3%) of hookworms than the other localities. The southwestern areas, including Koh Kong and Preah Sihanouk Provinces showed higher prevalences of A. lumbricoides (17.5-19.2%) and T. trichiura (6.1-21.0%). Meanwhile, the central and southern areas, in particular, Takeo and Kampong Cham Provinces, showed high prevalences of Ov/MIF (23.8-24.0%). The results indicate that a considerably high prevalence of intestinal helminths has been revealed in Cambodia, and thus sustained national parasite control projects are necessary to reduce morbidity due to parasitic infections in Cambodia.

• 농촌의학ㆍ지역보건
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• 제10권1호
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• pp.36-41
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• 1985

To evaluate the parasitic infection rates among inhabitants in urban area of Seoul, Korea, a total of 5,275 stool and anal swab specimens was obtained from 2,527 male and Z,748 female living in 24 Dongs of 17 Kus. Cases were sampled randomely to represent 1,000 inhabitants refereed to the census in 1980. The methods employed were formalin ether technique to detect helminth ova and protozoan cysts and scotch tape anal swab technique to detect eggs of Enterobius vermicularis. The results obtained are as follows ; 1) Total positive rate of helminthes was 23.5% among 5,275 (male 22.5% and female 24.5%) specimens. Nine kinds of the helminthes were detected and infection rates of each helminth were; Ascaris lumbricoides 4.1%, Hookworm 0.1%, Trichuris trichiura 11.1%, Trichostrongylus orientalis 0.1%. Clonorchis sinensis 1.2%, Metagonimus yokogawai 0.1%, Taenia spp. 0.2%, Hymenolepis nana 0.3 and Enterobius vermicularis 9.6%. 2) Total positive rate of intestinal protozoa was 1.4%. Four kinds of the protozoan cysts were detected and the infection rates of each protozoa were; Entamoeba histolytica 0.15%, E. coli 0.4%, Endolimax nana 0.04% and Giardia lamblia 0.89%. 3) No significant differences in the parasitic infection rate by sex was noticed although male group showed lower infection rate than female group. However the incidence of C. sinensis, M. yokogawai and Taenia spp. was twice as much in female group as in male group. 4) No difference in the infection rate by age was found although E. vermicularis positive rate was highest in "0~9 years group" by 2.1% and C. sinensis infection rate was higher in over "30~39 years group". The parasitic infection rate of the present study was significantly lower than those of previous reports in Seoul area and other provinces.

• Parasites, Hosts and Diseases
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• 제29권2호
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• pp.101-112
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• 1991

한 지역사회에서 최충 감염을 반드시 관리해야 하는 궁극적 이유 또는 그 당위성에 대하여 답하기 어려운 경우가 있다. 그것은 회충 관리 결과 충란 양성률이나 감염량의 감소 이외에 실제로 무엇이 호전되었는지를 알기가 그리 쉽지 않기 때문이다. 이 연구는 우리 나라에서 전국적으로 시행해 온 회을 집단관리 사업이 성공적 결실을 맺게 됨에 따라 국내 각 종합병원급 이상의 담도(또는 담석증), 충수, 췌장 등에 대한 수술 환자 중 회충미립중(迷入症)의 빈도가 크게 감소된 점을 중시하고 이들 외과적 회충중의 감소를 우리 나라 회충 관리의 실질적 효과 중 하나로 제시하고자 하였다. 우리 나라 국민의 회충 감염률 감소 양상은 전국 학생 검변 자료(1969~1989) 및 전국민 장내 기생충 감염현황 자료(1971, '76, '81, '86)에서 파악하였다 외과적 회충증의 빈도는 주로 문헌 고찰에 의하되 1959~1990년 사이에 외과학회지 등에 발표된 담도 질환, 충수염, 췌장염, 장폐쇄 등에 관한 논문을 총 망라하여 참고로 하였다. 분석 결과 종합병원중 이상의 총 담도 수술례(또는 총 담석증례) 중 회충 미립이 차지하는 비율을 YA(또는 YB)라 할 때 YA(또는 YB)의 감소 양상은 전국 학생 회충란 양성률(X)의 감소와 매우 밀접한 순 상관관계를 나타내고 있다는 것을 알 수 있었다. 즉, 수치로 표시하면 $Y_A=0.25X^2+0.013(r=0.96),{\;}Y_B=0.19X^2+0.016(r=0.94)$의 관계를 보였다. 다른 외과적 회충증의 경우에도 담도 회충증과 비슷한 양상을 보였다. 결국 우리 나라의 회충 관리사업은 회충 감염률 및 감염량의 감소 뿐만 아니라 회충 감염시 심각한 합병증의 하나인 담도 회충증 또는 기타 외과적 회충증의 빈도를 격감시키는 데에도 크게 기여한 것으로 판단되었다.

• Parasites, Hosts and Diseases
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• 제53권4호
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• pp.439-445
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• 2015

A survey of intestinal helminths was undertaken in riparian people in Xieng Khouang Province, Lao PDR. Fecal specimens were collected from 643 people (289 males and 354 females) residing in 4 districts (Nonghet, Kham, Phoukout, and Pek) and were examined by the Kato-Katz technique. The overall helminth egg positive rate was 41.2%, and hookworms revealed the highest prevalence (32.7%) followed by Trichuris trichiura (7.3%) and Ascaris lumbricoides (5.6%). The positive rate for small trematode eggs (STE), which may include Opisthorchis viverrini, heterophyids, and lecithodendriids, was 4.4%. For recovery of adult helminths, 12 STE or nematode/cestode egg-positive people were treated with 40 mg/kg praziquantel and 15 mg/kg pyrantel pamoate, and then purged. Mixed infections with 2 Haplorchis species (H. pumilio and H. taichui), Centrocestus formosanus, Opisthorchis viverrini, a species of cestode (Taenia saginata), and several species of nematodes including hookworms and Enterobius vermicularis were detected. The worm load for trematodes was the highest for H. pumilio with an average of 283.5 specimens per infected person followed by C. formosanus, H. taichui, and O. viverrini. The worm load for nematodes was the highest for hookworms (21.5/infected case) followed by E. vermicularis (3.2/infected case). The results revealed that the surveyed areas of Xieng Khouang Province, Lao PDR are endemic areas of various species of intestinal helminths. The STE found in the surveyed population were verified to be those of heterophyids, particularly H. pumilio.

• Parasites, Hosts and Diseases
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• 제26권4호
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• pp.275-284
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• 1988

1988년 2월 및 5월에 전라남도 여천군 남면 소재 연도 주민 1,011명 (남자 507명, 여자 504명)에 대하여 formalin-ether 침전법으로 장내 기생충 감염상환을 조사하고, 장내 윤충란 양성자 의 경우 감염강도를 E.P.G.로 측정한 바 다음과 같은 결과를 얻었다. 주민 1,011명중 398명 (39.4%)이 장내 기생충 양성자이었고 윤충 감염이 372명 (36.8%), 원충 감 염이 56명(5.5%)이었다. 검출된 기생충은 모두 10종으로서 편충란 양성자가 278명(27.5%)으로 가 장 많았고 그 다음이 회충 176명(17.4U, 불수정란 양성자 31명 포함), Taenia sp. 59명(5.8%)이었으며, 대장아메바 3.3%, 람블편모충 1.5%, 왜소아메바 0.8%, 왜소조충 0.4%이었고, 구충, 동 양모양선충 및 이질아메바가 각각 0.2%의 양성률을 보였다. 성별 감염률은 여자가 44.0%로 전 연령군에서 남자 34.7%보다 높았다. 연령별로는 40대가 46.0%로 가장 높았고 10세 미만이 33.1%로 가장 낮았다. 회충란 양성자중 149명의 E.P.G.는 평균 1,876(범위 200∼17,800), 편충 E.P.G. 는 검사자 242명에서 평균 327(범위 200∼1,600)이었다. 장내 기생 윤충의 양성자 572명중 단일 감염은 236명 (63.4%), 2종 감염은 129명 (34.7%), 3종 감염은 7명 (1.9%)이었고, 원충시스트 양성자 56명 중 단일 감염은 53명 (94.6%), 2종 감염은 3명 (5.4%)이었다. 이상의 결과로 보아 낙도 주민의 장내 기생충 감염률은 높음을 알 수 있으며 이의 퇴치를 위하여 생환 주변 환경의 개선, 집단 치료, 보건 교육 등 적극적인 관리가 시급히 수행되어야 할 것으로 생각된다.