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백순구,조미연,김준명,권상옥,이동기,김윤미,최윤종,김일회 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.4
Arteriovenous malformations (AVM) are an unusual cause of gastrointestinal (GI) bleeding. But most GI AVM can occur with GI bleeding. When conventional diagnostic studies have failed to reveal the source of GI bleeding, AVM have been one of the most common causes. But the incidence of AVM presented as bleeding of a gastric submucosal tumor is very low. A case of gastric submucosal tumor was experienced and reported as an AVM. This case is herein discussed with review of corresponding literature.
Cho Jun Yeun,Kim Hee-Sung,Kang Hyeran,Kim Sun-Hyung,Choe Kang Hyeon,Lee Ki Man,Yoon Mi Shin 대한의학회 2020 Journal of Korean medical science Vol.35 No.25
Background: Liberation and extubation are important for patients supported by mechanical ventilation. Extubation success is related to the duration of an intensive care unit (ICU) stay and mortality rate. High-flow nasal cannula (HFNC) oxygen therapy has physiological and clinical benefits in respiratory care. The present study compared clinical outcomes associated with HFNC and conventional oxygen therapy (COT) among patients at high risk for reintubation. Methods: A single-center randomized clinical trial was conducted between March 2018 and June 2019. Sixty adults admitted to the ICU and who were at high-risk of reintubation and met the inclusion criteria were enrolled in this study. “High risk” for reintubation was defined as having at least one of the following risk factors: age > 65 years, Acute Physiology and Chronic Health Evaluation II score > 12 points on extubation day, obesity, poor expectoration, airway patency problems, difficult or prolonged weaning, and more than one comorbidity. The primary outcome of interest was reintubation within 72 hours. Secondary outcomes included duration of ICU and hospital stay, mortality rate, and time to reintubation. Results: Of 60 patients, 31 received HFNC and 29 received COT (mean age, 78 ± 7.8 vs. 76 ± 6.5 years, respectively). Reintubation rate within 72 hours did not differ between the groups (3 patients [9.7%] vs. 1 patient [3.4%], respectively). Reintubation time was shorter among patients who received COT than among patients who received HFNC (0.5 hour vs. 25 hours), but this difference was not statistically significant. Duration of ICU did not differ between the groups (14.7 ± 9.6 days vs. 13.8 ± 15.7 days, for HFNC and COT, respectively). Conclusion: Among patients at high risk for reintubation, compared with COT, HFNC did not reduce the risk of reintubation within 72 hours.
조도연,이종인,변주원,김호영,정낙영,장우익,심영학,김윤미,조미연,박진숙,성기준,이종영,박승일,김은기 대한내과학회 1997 대한내과학회지 Vol.53 No.3S
Synovial sarcomas' are rare malignant neoplasms that arise from mesenchymal cells of tendosynovial tissue, accounting for about 7% of adult soft tissue sarcomas, and occur with maximal frequency in the second through fifth decades of life. The incidence of metastasis is high, most often to the lung, regional lymph nodes and bone, despite of radical surgery for primary tumor. The histologic subtypes of synovial sarcoma generally accepted are monophasic, biphasic and poorly undifferenciated types, and all synovial sarcomas have been classified as high grade soft tissue sarcoma due to high metastatic potentials by the American Joint Committee on Cancer. Spontaneous pneumothorax due to primary pulmonary neoplasm is uncommon, and pneumothorax due to pulmonary metastasis is very uncommon condition. The most common primary tumor causing spontaneous pneumothorax is sarcoma, and of these the majority are osteosarcomas. Various mechanisms have been suggested to explain how a spontaneous pneumothorax occurs as a result of pulmonary involvement of malignancy. Bilateral spontaneous pneumothorax from pulmonary metastasis of synovial sarcoma has been reported very rarely in the world literature, and has not yet been reported in Korea. We present here a very rare case of recurrent synovial sarcoma manifested as bilateral spontaneous pneumothorax, who had been treated with surgical resection and radiotherapy for the synovial sarcoma on left popliteal fossa and review the pertinent literatures.
Recapitulation of Candidate Systemic Lupus Erythematosus-Associated Variants in Koreans
Kwon, Ki-Sung,Cho, Hye-Young,Chung, Yeun-Jun Korea Genome Organization 2016 Genomics & informatics Vol.14 No.3
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that affects multiple organ systems. Although the etiology of SLE remains unclear, it is widely accepted that genetic factors could be involved in its pathogenesis. A number of genome-wide association studies (GWASs) have identified novel single-nucleotide polymorphisms (SNPs) associated with the risk of SLE in diverse populations. However, not all the SNP candidates identified from non-Asian populations have been validated in Koreans. In this study, we aimed to replicate the SNPs that were recently discovered in the GWAS; these SNPs have not been validated in Koreans or have only been replicated in Koreans with an insufficient sample size to conclude any association. For this, we selected five SNPs (rs1801274 in FCGR2A and rs2286672 in PLD2, rs887369 in CXorf21, rs9782955 in LYST, and rs3794060 in NADSYN1). Through the replication study with 656 cases and 622 controls, rs1801274 in FCGR2A was found to be significantly associated with SLE in Koreans (odds ratio, 1.26, 95% confidence interval, 1.06 to 1.50; p = 0.01 in allelic model). This association was also significant in two other models (dominant and recessive). The other four SNPs did not show a significant association. Our data support that FCGR polymorphisms play important roles in the susceptibility to SLE in diverse populations, including Koreans.
침습성 아스페르길루스증으로 치료받았던 급성 백혈병 환자에서 조혈모세포이식후 발생한 파급성 아스페르길루스증 1례
배기선,박지영,신수연,문영철,최희정,조민선,성주명 대한감염학회 2003 감염과 화학요법 Vol.35 No.4
본 증례는 침습성 아스페르길루스증의 과거력을 갖고 있는 백혈병환자에서 조혈모세포이식을 받은 후 치명적인 파급성 아스페르길루스증이 발병한 예이다. 환자는 항암요법 후 흉부 방사선 및 단층촬영에서 진균성 폐렴을 의심하여 항진균제를 투여하고 폐엽절제술을 시행하여 아스페르길루스에 의한 폐렴임을 확인하였다. Amphotericin B로 치료한 후 조혈모세포이식을 시행받은 뒤 치료에도 불구하고 파급성 아스페르길루스증으로 진행되어 사망하였다. 이 증례에서 보듯이 이전에 아스페르길루스증의 과거력이 있는 경우에 이식후 치명적인 결과를 유발할 수 있으므로, 고위험군을 선별하는 지침과 적절한 치료법에 대한 연구가 필요하겠다. Invasive aspergillosis has been increasing as the number of severe immunocompromised hosts rises. Particularly, in allogeneic hematopoietic stem cell transplantation (HSCT) recipients, incidence of invasive aspergillosis ranges from 4 to 10%. Even with appropriate treatment, the prognosis of invasive aspergillosis in allogeneic HSCT recipients remains poor, showing high mortality rate. Herein. we report a case where invasive aspergillosis in a patient with acute myelogeneous leukemia progressed to disseminated aspergillosis after allogeneic HSCT. A 31-year-old woman with acute myelogenous leukemia had invasive aspergillosis after third reinduction chemotherapy. After administering amphotericin B, the patient underwent the wedge resection of lung. and HLA-matched allogeneic HSCT was then conducted. On day 14 of transplantation, the patient died of disseminated aspergillosis, including possible cerebritis and endocarditis despite the amphotericin B therapy.