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신장이식 환자에서 HCMV 항원혈증 검사의 임상적 유용성
김탁,성흥섭,박관태,김송철,김성한,최상호,김양수,우준희,박수길,한덕종,이상오 대한감염학회 2009 감염과 화학요법 Vol.41 No.2
Background : This study was performed to determine the cut-off value and the predictability of symptomatic human cytomegalovirus (HCMV) infection according to the peak value of HCMV antigenemia assay in kidney transplant recipients. Materials and Methods : We reviewed the results of HCMV antigenemia assay (Chemicon, CA, USA) in patients who received kidney transplantation at our institution from May 2003 through May 2008, and investigated the existence and the type of HCMV infection by the medical record review. Patients who underwent the test only once during the episode or those who received ganciclovir for more than 48hrs before the test were excluded. The receiver-operator characteristic curve was drawn and the point showing maximum likelihood ratio (LR) was chosen as the cut-off value of symptomatic HCMV infection. Results : A total of 689 episodes were screened and 134 episodes were enrolled. Thirty-three (24.6%) episodes were symptomatic HCMV infection, 23 (17.2%) episodes were associated with HCMV syndrome, and 10 (7.5%) episodes were tissue-invasive diseases. The maximum LR was 7.5 (95% confidence interval, 4.014.2) and the cut-off value was 29.5 cells/200,000 WBC. The sensitivity, specificity, Positive predictive value, and negative predictive value were 66.7%, 91.1%, 71.0%, and 89.3%, respectively. Conclusions : The cut-off value of symptomatic HCMV infection by the peak value of HCMV antigenemia assay in our study was similar with previous results, although the sensitivity was relatively low.
간이식 환자에서 발생한 Aspergillus fumigatus에 의한 고관절염 1예
김탁,이상록,조오현,박기호,오련,이상오,김양수,우준희,김미나,최상호 대한감염학회 2008 감염과 화학요법 Vol.40 No.3
저자들은 간이식을 받은 환자에서 조직 배양 검사를 통하여 진단된 A. fumigatus에 의한 화농성 고관절염을 경험하였기에, 문헌 고찰과 함께 보고하는 바이다. Septic arthritis is an uncommon finding of invasive Aspergillosis. It can be caused by direct inoculation, Post-surgical infection, and hematogenous spread. Articular aspergillosis often involves the knee. A 49-year-o1d man who received a liver transplant in China on two months ago, due to liver cirrhosis caused by hepatitis B virus was admitted because of left side hip pain. Hip MRI showed joint effusion and bony destruction of the left hip and acetabulum. Incision and drainage was done and Aspergillus fumigatus was isolated from the resected tissue. After eight weeks of amphotericin B therapy, total hip replacement arthroplasty was done. Oral itraconazole 400mg/day was prescribed for six months after operation. The patient is now doing well without physical restriction.
오련,송은희,박기호,조오현,김탁,윤귀준,손병석,성흥섭,김미나,김양수,우준희 대한감염학회 2008 감염과 화학요법 Vol.40 No.5
Cryptococcosis is a disseminated infection caused by Cryptococcus neoformans. It usually causes pulmonary infection and meningitis in immunocompromised patients. However, osteomyelitis due to C. neoformans is extremely rare. It is generally known that cryptococcal osteomyelitis is a complication of disseminated cryptococcosis, appearing in 5-10%. We experienced a case of cryptococcal osteomyelitis with paraspinal abscess in a liver transplant patient.
신이식 환자에서 발생한 Nocardia elegans 폐농양 1예
박기호,고선영,오련,김탁,조오현,김양수,우준희,한덕종,성흥섭,김미나 대한감염학회 2008 감염과 화학요법 Vol.40 No.2
노카르디아는 면역 저하 환자에서 발생하는 기회 감염균으로 배양과 균 동정이 복잡하기 때문에 시기 적절한 진단과 치료가 어려울 때가 흔하다. 그러나 최근 16S 리보좀 RNA 염기서열 분석과 같은 새로운 분자생물학적 방법이 도입되면서 노카르디아 감염의 진단과 치료에 많은 도움이 되고 있다. 저자들은 신이식을 받은 39세 남자에서 발생한 N. eleeans에 의한 폐농양을 경험하였기에 보고하는 바이다. 환자는 항균제 감수성 결과에 따라 적절한 항균제로 치료하였고, 치료 종료 후 1년 동안 재발 없이 외래 경과 관찰 중이다. 본 증례를 통하여 이식 환자와 같은 면역 저하 환자에서 노카르디아 감염의 가능성을 고려하여야 하겠고 분자생물학적 방법에 의한 빠른 균 동정과 적절한 항균제 치료가 중요함을 기억하여야 하겠다. Nocardiosis is well-known opportunistic infection in immunocompromised patients. The timely diagnosis and treatment, however, is stilt a difficult problem. Recently, as newer molecular techniques, particularly 16S rRNA sequencing, are implemented, the diagnosis and management of the infection are improving. We report a case of lung abscess in a 39-year-o1d-man who underwent kidney transplantation. He was diagnosed of Nocardia elegans by 16S rRNA sequencing and was cured of the infection with appropriate antibiotic therapy.