• 제목/요약/키워드: laboratory diagnosis

검색결과 1,650건 처리시간 0.028초

국내에서 채집한 진드기에서 중합효소연쇄반응을 이용한 라임병균 및 Ehrlichiosis 원인체의 검출 (Detection of Borrelia burgdorferi and Ehrlichiosis Agent in Ticks Collected in Korea Using Polymerase Chain Reaction)

  • 김종배;송혜원;박성언;박상욱;안준환;엄용빈;김영미
    • 대한의생명과학회지
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    • 제4권2호
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    • pp.113-120
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    • 1998
  • 국내에서 채집한 진드기의 라임병 및 ehrlichiosis 원인체 보균 상태를 조사하기 위하여 총 516마리 (Ixodes spp. 22마리 , Haemaphysalis spp. 494마리)의 ixodid 진드기를 봄과 가을에 걸쳐 강원도 고산지대 일원에서 채집하였다. 수집한 진드기에서 DNA를 추출·정제한 후 추출한 DNA를 template로 이용하여, Borrelia burgdorferi sensu lato 및 Ehrlichia spp.에 특이하게 반응하도록 제작한 primer를 이용한 중합효소연쇄반응 (polymerase chain reaction, PCR)을 실시하였으며, 이 결과를 oligonucleotide probe를 사용한 southern blotting을 통하여 다시 확인하였다. 총 516마리의 진드기중 B. burgdorferi sensu lato DNA 양성인 진드기는 68 (13.2%)마리 (B. burgdorferi sensu stricto, 2; B. afzelii, 1; B. garinii, 33; B. tanukii, 8; B. turdae, 4)로 나타났으며 이 중 37 (7.2%)마리의 진드기는 southern blot analysis에서도 양성으로 확인되었다. 또한 101 (19.2%)마리의 진드기가 Ehrlichia spp.에 대한 PCR에서 양성이었으나, 이들 중 25 (4.8%)마리만이 southern blot analysis에서 양성으로 확인되었다. 그러나 사람의 병인체로 추정되는 human granulocytic ehrlichiosis (HGE) agent DNA를 보균한 진드기는 확인되지 않았다. 한편 라임병균과 ehrlichiosis원인체를 동시에 보균한 것으로 밝혀진 진드기가 3마리에서 (0.6%) 확인되어, 국내에서도 진드기 교상시 이들 두 가지 열성질환이 동시에 감염될 가능성이 있는 것으로 사료됨으로 진드기 매개성 열성질환에 대한 적절한 진단법 등을 보다 체계적으로 연구하여야 할 것으로 판단된다.

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한방병원 내원 뇌졸중 환자에 대한 역학적 조사 (A Study on Factors Related to Stroke Patients in Taegu Area)

  • 김웅각
    • 대한의생명과학회지
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    • 제4권2호
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    • pp.153-164
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    • 1998
  • 1997년 10월 1일부터 1997년 12월 31일까지 3개월간 대구광역시 소재 3개 한방병원에 입원해 있거나 통원치료를 받고 있는 뇌졸중 환자 163명을 대상으로 조사 분석한 결과 다음과 같은 성적을 얻었다. 조사 대상자의 일반적 특성은 성별에서 163예 중 남 여의 비는 1:1.36이었고, 연령층은 60대에서 36.8%, 50대에서 25.2%, 70세 이상에서 19.6%의 순으로 나타났다. 결혼관계는 기혼이 74.7%, 학력은 초등학교졸업이 41.5%, 직업은 가정 주부와 농축어 업이 각각 27.7%로 가장 높았다. 뇌졸중의 유발원인 및 발병시 상태는 육체적 활동 20.2%,과로 16.2%, 취침중 15.5%, 정신적 충격 14.9%, 사고 7.2%, 음주 2.6%의 순이었다. 병류별 발생빈도는 157예에서 뇌경색 (혈전증, 색전증 포함)이 47.7%, 뇌출혈이 38.2%, 지주막하출혈이 5.1%, 기타가 8.9%였다. 비만정도에 있어서는 161예 중 보통이다가 64.0%, 비만이 26.7%, 저체중이 9.3%였으며, 성별로는 비만인 여자가 19.9%로 남자의 6.8%보다 월등히 높았다 (p<0.05). 음주에 관해서는 163예 중 소주 2홉 1병 기준으로 안한다가 65.6%, 2∼3일에 한번 한다가 11.0%, 한달에 1∼2회는 9.8%, 매일한다가 8.6%, 1주일에 한번은 4.9%의 순이었다. 흡연에 있어서는 162예중 안한다가 63.0%,하루에 0.5∼l갑이 16.0%, 1∼2갑이 15.4%, 반갑 이하가 4.9%, 2갑 이상이 0.6%의 순으로 나타났다.

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소아 종양 환아의 중추 신경계 합병증 (CNS Complications in Childhood Cancer)

  • 정유진;서연경;홍승아;김흥식;김준식;이희정
    • Clinical and Experimental Pediatrics
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    • 제46권11호
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    • pp.1112-1117
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    • 2003
  • 목 적 : 소아의 악성 종양에 대한 새로운 치료법의 개발로 환아의 생존 기간이 증가하는 추세에 있으나 이로 인한 신경계 합병증의 발생도 증가하고 있다. 저자들은 항암 치료를 시행한 소아 종양 환아에서 나타난 중추 신경계 합병증에 대한 임상 양상을 알아보고자 하였다. 방 법 : 1995년 1월부터 2002년 11월까지 동산병원 소아과에서 항암치료를 시행한 환아 중 신경계 합병증이 동반되었던 15례의 환아를 대상으로 그 임상상을 후향적으로 검토하였다. 결 과 : 전체 15례 중에서 방사선학적 검사로 원인 질환을 밝힌 경우는 모두 13례로 백질뇌병증이 7례, 무기질화 미세혈관병증이 4례, 뇌경색이 3례, 뇌출혈이 1례, 저산소성 허혈성 뇌증이 1례, 2가지 이상의 합병증을 함께 나타낸 경우는 2례였으며, 혈액학적 방사선학적 검사상에서 이상 소견이 없이 MTX의 부작용으로 생각되는 경련성 질환이 2례였다. 뇌출혈과 뇌경색이 나타낸 경우는 예후가 나빴으며 전해질 불균형으로 인한 저산소성 허혈성 뇌증에서는 원인 교정 후 후유증 없이 회복되었다. 결 론 : 소아 종양 환아에서 치료 중 발생한 신경계 합병증은 질환의 예후에 큰 영향을 미치고 신경인지 발달에 장애를 남기므로 이들 합병증에 대한 예방, 진단 및 즉각적인 치료와 추적관찰이 필요할 것이다.

An Imported Case of Severe Falciparum Malaria with Prolonged Hemolytic Anemia Clinically Mimicking a Coinfection with Babesiosis

  • Na, Young Ju;Chai, Jong-Yil;Jung, Bong-Kwang;Lee, Hyun Jung;Song, Ji Young;Je, Ji Hye;Seo, Ji Hye;Park, Sung Hun;Choi, Ji Seon;Kim, Min Ja
    • Parasites, Hosts and Diseases
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    • 제52권6호
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    • pp.667-672
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    • 2014
  • While imported falciparum malaria has been increasingly reported in recent years in Korea, clinicians have difficulties in making a clinical diagnosis as well as in having accessibility to effective anti-malarial agents. Here we describe an unusual case of imported falciparum malaria with severe hemolytic anemia lasting over 2 weeks, clinically mimicking a coinfection with babesiosis. A 48-year old Korean man was diagnosed with severe falciparum malaria in France after traveling to the Republic of Benin, West Africa. He received a 1-day course of intravenous artesunate and a 7-day course of Malarone (atovaquone/proguanil) with supportive hemodialysis. Coming back to Korea 5 days after discharge, he was readmitted due to recurrent fever, and further treated with Malarone for 3 days. Both the peripheral blood smears and PCR test were positive for Plasmodium falciparum. However, he had prolonged severe hemolytic anemia (Hb 5.6 g/dl). Therefore, 10 days after the hospitalization, Babesia was considered to be potentially coinfected. A 7-day course of Malarone and azithromycin was empirically started. He became afebrile within 3 days of this babesiosis treatment, and hemolytic anemia profiles began to improve at the completion of the treatment. He has remained stable since his discharge. Unexpectedly, the PCR assays failed to detect DNA of Babesia spp. from blood. In addition, during the retrospective review of the case, the artesunate-induced delayed hemolytic anemia was considered as an alternative cause of the unexplained hemolytic anemia.

우리나라 유행성뇌염(流行性腦炎)의 역학적(疫學的) 및 혈청학적(血淸學的) 조사연구(調査硏究) (Epidemiological and Serological Investigation on Epidemic Encephalitis in Korea)

  • 이주원;김경호;김인달
    • Journal of Preventive Medicine and Public Health
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    • 제7권2호
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    • pp.403-415
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    • 1974
  • The author has investigated epidemiological features of human cases of epidemic encephalitis (E. E.) in the Republic of Korea and the status of antibody requisition in pre-and post-epidemic time. And virological and serological studies with regarding the relationship of E. E. infection between human and piglet, and field survey against its vector by means of virus isolation from mosquitoes were carried out. Finally, vaccine field trial against human population has also been evaluated in order to confirm its effectiveness. The results of the studies are summarized as follows : 1. The annual incidence of reported cases during the past 25 years (1949-1973) in the Republic of Korea has shown two patterns, one was typical cyclic incidence and the other one was irregular. Annual average morbidity and mortality rate per 100,000 population were 5.7 and 2.1 and fatality rate was 34.6% in typical cyclic years. 2. With regard to the geographical distribution of E. E., the province of Jeolla-Bug-Do illustrated the highest incidence regardless of the epidemic size. 3. The main epidemic period was between mid-August and mid-September (above 90% of the total number of cases). The first case was reported in middle of July and the epidemic ceased in late of October. 4. An analysis of the age distribution of cases of E. E., has shown that above 90% of the total cases occurred in the age groups under 14 years and it was noted that about its 54% were occurred in the age groups between 5-9 years group. 5. Through the Haemagglutination Inhibition (H-I) test for the laboratory diagnosis of E. E., it was found that higher H-I antibody titer was usually detected in the convalescent phase, 15 days after onset. 6. The H-I antibody survey against 563 healthy population by age groups during the pre-epidemic season showed that 422(75%) were less than H-I titer, 1:20 and 122(21.7%) were positive H-I titer, 1:20. Among the 94 American in Seoul who had not been in E. E. endemic area previously only one person had appeared sero-conversion as a H-I titer of 1:80 after post-epidemic season. 7. The E. E. virus could be isolated from the mosquitos pools-C, tritaeniorhyncus which were caught between late July and middle August. 8. E.E. Virus was also isolated from piglet blood on early August and H-I antibody conversion was occurred mostly on middle of August. 9. H-I antibody sero-conversion rate reached to high level when vaccine purified by mouse brain tissue inoculated, showing 98.9%. Higher antibody titer was acquired when booster inoculation was performed, Four fold rise of H-I add N-T antibodies was confirmed with 93.2% and 82.1% respectively.

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Pre-operative Predictive Factors for Intra-operative Pathological Lymph Node Metastasis in Rectal Cancers

  • Gao, Chun;Li, Jing-Tao;Fang, Long;Wen, Si-Wei;Zhang, Lei;Zhao, Hong-Chuan
    • Asian Pacific Journal of Cancer Prevention
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    • 제14권11호
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    • pp.6293-6299
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    • 2013
  • Background: A number of clinicopathologic factors have been found to be associated with pathological lymph node metastasis (pLNM) in rectal cancer; however, most of them can only be identified by expensive high resolution imaging or obtained after surgical treatment. Just like the Child-Turcotte-Pugh (CTP) and the model for end-stage liver disease (MELD) scores which have been widely used in clinical practice, our study was designed to assess the pre-operative factors which could be obtained easily to predict intra-operative pLNM in rectal cancer. Methods: A cohort of 469 patients who were treated at our hospital in the period from January 2003 to June 2011, and with a pathologically hospital discharge diagnosis of rectal cancer, were included. Clinical, laboratory and pathologic parameters were analyzed. A multivariate unconditional logistic regression model, areas under the curve (AUC), the Kaplan-Meier method (log-rank test) and the Cox regression model were used. Results: Of the 469 patients, 231 were diagnosed with pLNM (49.3%). Four variables were associated with pLNM by multivariate logistic analysis, age<60 yr (OR=1.819; 95% CI, 1.231-2.687; P=0.003), presence of abdominal pain or discomfort (OR=1.637; 95% CI, 1.052-2.547; P=0.029), absence of allergic history (OR=1.879; 95% CI, 1.041-3.392; P=0.036), and direct $bilirubin{\geq}2.60{\mu}mol/L$ (OR=1.540; 95% CI, 1.054-2.250; P=0.026). The combination of all 4 variables had the highest sensitivity (98.7%) for diagnostic performance. In addition, age<60 yr and direct $bilirubin{\geq}2.60{\mu}mol/L$ were found to be associated with prognosis. Conclusion: Age, abdominal pain or discomfort, allergic history and direct bilirubin were associated with pLNM, which may be helpful for preoperative selection.

남성 불임의 진단 및 체외수정의 예후인자로서 정자 형태의 정밀 분석과 정자 첨체반응 및 햄스터 난자 침투 분석의 비교 연구 (Comparison of Sperm Morphology Evaluation Using Strict Criteria, Acrosome Reaction Following Ionophore Challenge and Zona-free Hamster Ova Sperm Penetration Assay as Prognostic Factors in Diagnosis of Male Infertility and In Vitro Fertilization)

  • 문신용;류범용;방명걸;오선경;이재훈;서창석;김석현;최영민;김정구;이진용
    • Clinical and Experimental Reproductive Medicine
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    • 제29권1호
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    • pp.57-66
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    • 2002
  • Objective : This study was designed to investigate the interrelationship and clinical usefulness of sperm morphology by strict criteria (SM), acrosome reaction following ionophore challenge test (ARIC) and sperm penetration assay (SPA) using zona-free hamster ova as prognostic factors in in vitro fertilization. Materials and Methods: Semen samples were provided by 83 patients undergoing IVF. We first evaluated the differences between normal fertilization group and poor fertilization group on three andrologic tests. Secondly, we analyzed the relationship between the three andrologic tests and in vitro fertilization on IVF settings. Finally, we evaluated the effectiveness of the three andrologic tests as the prognostic indicators for fertilizing ability. Results: The fertilization rate of all men in the poor fertilization group was less than 30%; but there was no evidence that this poor fertilization was due to oocyte defects. The results of three andrologic tests were significatly higher in normal fertilization group. Fertilization rate (%) in vitro was highly correlated (p<0.001) with % normal sperm by SM, ARIC value (%), and SPA result. By using Receiver-Operator-Characteristic curve (ROC), we evaluated the effectiveness of these three tests. The sensitivity and specificity of SM, ARIC test and SPA in predicting fertilization potential in IVF setting were 76% and 75%, 84% and 90%, and 76% and 95%, respectively. Conclusion: Our data suggest that the three andrologic tests can be reliable tools as prognostic factors of sperm fertilizing ability. Among these test, ARIC test and SPA gave more accurate information on fertilizing capacity. ARIC test was shown to have a predictive value for fertilizing ability comparable to that of SPA that appears to be a simple and cost-effective addition to current andrology laboratory. Combined application of these three tests may give more information on predicting sperm fertilizing capacity.

양한방 복합투여로 장기간 생존을 보인 폐암 환자 2례 (Long-Term Survival of Patients with Lung Cancer Treated by Traditional Korean Medicine Combined with Western Treatment: Report of Two Cases)

  • 강지영;김준영;손창규;조정효
    • 대한한방내과학회지
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    • 제36권1호
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    • pp.58-68
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    • 2015
  • 목 적: 소세포 폐암 및 전이성 폐암은 폐암 중에서도 가장 예후가 불량하고 생존율도 상대적으로 낮은 암으로 알려져 있다. 난치성 폐암 환자에 대해 한방치료가 생존 기간 연장 및 삶의 질 관리면에 있어서 효과가 있음을 보여주고자 한다. 연구방법 및 대상: 본원에서 입원 및 통원치료를 병행한 소세포폐암 환자 1명과 원발성 간암에서 폐로 전이된 전이성 폐암 환자 1명에 대하여 한방치료의 효과 및 임상경과를 후향적으로 조사하였다. 치료기간은 각각 2000년 1월-2009년 12월과 2004년 9월-2014년 2월이었으며 한약치료는 평균 1개월 간격으로 행해졌으며 입원기간 동안에는 한약치료를 포함한 침구치료를 추가로 시행하였다. 치료효과 및 경과 판정을 위해 흉부 방사선 검사 및 혈액검사를 평균 1개월 간격으로 시행하였으며 내원시마다 환자의 증상 및 상태를 확인하였다. 결 과: 2명의 폐암 환자 모두 꾸준한 한방치료를 받으며 진단시점부터 9년 이상의 상당히 오랜 기간 동안 비교적 좋은 삶의 질을 유지하면서 종양으로 인한 임상경과 또한 완만하게 진행이 되었다. 결 론: 본 증례는 한방치료가 불응성 폐암 환자에 대해 삶의 질을 양호하게 유지하고 증상 조절 및 종양의 진행양상을 완화시켜 주며 나아가 생존기간 연장에도 효과가 있음을 보여준다.

경부 림프절염로 발현된 가와사키병과 급성 편측 경부 림프절염의 비교 (Comparison of Cervical Lymphadenitis as First Presentation of Kawasaki Disease and Acute Unilateral Cervical Lymphadenitis)

  • 이훈상;김지용;송보경;김용우;박수은
    • Pediatric Infection and Vaccine
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    • 제23권3호
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    • pp.217-222
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    • 2016
  • 목적: 본 연구는 경부 림프절 비대로 시작된 가와사키병과 급성 편측 경부 림프절염 환자에서 임상 양상, 혈액검사 소견, 경부 컴퓨터단층촬영 소견에 차이가 있는지 확인하고자 하였다. 방법: 2010년 1월부터 2014년 12월까지 발열과 경부 림프절 비대로 부산대학교 어린이병원에 내원하여 경부 컴퓨터단층촬영을 시행한 환자 총 372명 중에 가와사키병으로 진단된 28명의 환자군과 편측 경부 림프절염 환자군 28명을 후향적으로 비교하였다. 결과: 경부 림프절염으로 발현된 가와사키병과 급성 편측 경부 림프절염에서 발열 기간, 항생제 사용, 경부 림프절 크기에는 차이가 없었다. 혈액검사 소견에서 CLKD 환자에서 AUCL 환자와 비교해서 총 백혈구 수, 호중구 수, 적혈구 침강 속도, C-반응단백 수치가 더 높은 것으로 나타났다(P<0.05). 경부 컴퓨터단층촬영 소견에서 후인두부 부종 소견은 두 군 간에 차이가 없었다(P=0.686). 결론: CLKD와 AUCL을 조기에 구별할 수 있는 특징적인 소견은 없는 것으로 보이기 때문에 발열과 경부 림프절 비대가 있는 환자에서 항생제 치료에도 증상 개선이 없다면 가와사키병을 고려해야겠다.

외상성 뇌손상 환자에 있어서 S100β의 혈중 농도와 뇌손상의 정도 및 예후의 관계 (Relation between Serum S100β and Severity and Prognosis in Traumatic Brain Injury)

  • 김오현;이강현;윤갑준;박경혜;장용수;김현;황성오
    • Journal of Trauma and Injury
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    • 제20권2호
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    • pp.138-143
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    • 2007
  • Purpose: $S100{\beta}$, a marker of traumatic brain injury (TBI), has been increasingly focused upon during recent years. $S100{\beta}$, is easily measured not only in cerebrospinal fluid (CSF) but also in serum. After TBI, serum S 10019, has been found to be increased at an early stage. The purpose of this study was to evaluate the clinical correlations between serum $S100{\beta}$, and neurologic outcome, and severity in traumatic brain injury. Methods: From August 2006 to October 2006, we made a protocol and studied prospectively 42 patients who visited the emergency room with TBI. Venous blood samples for $S100{\beta}$, protein were taken within six hours after TBI and vital signs, as well as the Glasgow Coma Scale (GCS), were recorded. The final diagnosis and the severity were evaluated using the Abbreviated Injury Score (AIS), and the prognosis of the patients was evaluated using the Glasgow Outcome Score (GOS). Results: Thirty-eight patients showed a favorable prognosis (discharge, recovery, transfer), and four showed an unfavorable prognosis. Serum $S100{\beta}$, was higher in patients with an unfavorable prognosis than in patients with a favorable prognosis, and a significant difference existed between the two groups ($0.74{\pm}1.50\;{\mu}g/L$ vs $7.62{\pm}6.53\;{\mu}g/L$ P=0.002). A negative correlation existed between serum $S100{\beta}$, and the Revised Traumatic Score (R2=-0.34, P=0.03), and a positive correlation existed between serum $S100{\beta}$, and the Injury Severity Score (R2=0.33, P=0.03). Furthermore, the correlation between serum $S100{\beta}$, and the initial GCS and the GCS 24 hours after admission to the ER were negative (R2=-0.62, P<0.001; R2=-0.47, P=0.005). Regarding the GOS, the mean serum concentration of $S100{\beta}$, was $7.62\;{\ss}{\partial}/L$ (SD=${\pm}6.53$) in the expired patients, $1.15\;{\mu}g/L$ in the mildly disable patient, and $0.727\;{\mu}g/L$ (SD=${\pm}0.73$) in the recovered patients. These differences are statistically significant (p<0.001). Conclusion: In traumatic brain injury, a higher level of serum concentration of $S100{\beta}$, has a poor prognosis for neurologic outcome.