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A Domestic Outbreak of Bacterial Dysentery Caused by Extended-Spectrum β-Lactamase(ESBL)-producing Shigella sonnei (집단 발생한 Extended-spectrum β-lactamase(ESBL) 생산 Shigella sonnei 감염에 의한 세균성 이질에 관한 연구)

  • Lim, Hyun Taek;Lee, So Hee;Lee, Jung Hwa;Kim, Jeong Eun;Kim, Kyo Sun;Jeong, Eun Ju;Lee, Seung Hyun;Kang, Chang Gyu;Hong, Seong Jin
    • Clinical and Experimental Pediatrics
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    • v.48 no.10
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    • pp.1107-1115
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    • 2005
  • Purpose : An outbreak of ESBL-producing Shigella sonnei enteritis was unprecedented not only in Korea but throughout the world in the past. We intended to devise a management guideline for ESBL-producing shigellosis based on analysis of clinical manifestations and response to therapy. Methods : We analyzed 103 patients who were admitted to the hospital with acute GI symptoms and were shown positive result for S. sonnei on stool culture. We performed sensitivity test to the antibiotics and DNA sequencing of ESBL gene in the isolated S. sonnei colonies. In addition, we retrospectively analyzed their clinical characteristics, laboratory results, and clinical and microbiological responses to the antibiotics. Results : Among the clinical manifestations, fever was the most frequent(96.1%), followed by diarrhea(93.2%), abdominal pain(76.7%), headache(71.8%), vomiting(65.0%), and nausea(41.7%). The fever was sustained for average of 2.0 days and diarrhea for 3.9 days. Watery diarrhea was the most common(69%) followed by mucoid(26%), and bloody stool(5%). On peripheral blood smear, leukocytosis was noted in 53.4% of patients, and 78.6% of patients tested positive for serum CRP response. On stool direct smear, 11.7% of patients showed more than 50 WBCs/HPF, and 9.7% of patients between 5 to 20 WBCs/HPF. Stool occult blood was positive in 71% of patients. Production of CTX-M-14 type ESBL was reported for all S. sonnei strains isolated from this outbreak. Microbiological eradication rates to various antibiotics were as follows : 100%(9/9) to ciprofloxacin, 100% 5/5) to azithromycin, 6.9%(5/72) to cefdinir, 0%(0/8) to ceftriaxone, 12.5%(1/8) to ceftizoxime, 0%(0/ 8) to TMP/SMX, 42.9%(3/7) to ampicillin/sulbactam, 20%(1/5) to amoxicillin/clavulanic acid, and 68.8 %(11/16) to imipenem/cilastatin. Conclusion : It is presumed that azithromycin can be an attractive option for the treatment of ESBL-producing S. sonnei enteritis in pediatric population, given its cost-effectiveness and safety. Although ciprofloxacin is another cost-effective agent, its use in pediatric population may be a bit too premature.

A Review of Endoscopic Removal Methods in 127 Cases of the Esophageal Foreign Bodies (소아 식도 이물의 내시경적 적출방법 변화에 대한 고찰)

  • Kim, Jum Su;Yang, Jung Soo;Jung, Hae Sung;Lee, Min Hye;Park, Chan-Hoo;Choi, Myoung Bum;Woo, Hyang-Ok;Youn, Hee-Shang
    • Clinical and Experimental Pediatrics
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    • v.45 no.4
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    • pp.459-465
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    • 2002
  • Purpose : The aim of this study was to evaluate the latest tendency of esophageal foreign body's extraction and to obtain a consensus from recent trends of indications and techniques of flexible endoscopy of esophageal FB in children. Methods : We retrospectively reviewed medical records of 127 cases with foreign bodies in esophagus at Dept. of Pediatrics and Otorhinolaryngology, Gyeongsang National University Hospital (GNUH) from Jun, 1987 to July, 2001. They were divided into two groups by the kinds of endoscopy : flexible endoscope(66 cases) or rigid endoscope(61 cases). Rigid endoscopy was performed under general anesthesia at Dept. of Otorhinolaryngology but flexible endoscopy was performed without general anesthesia or sedative drugs(midazolam or diazepam). Results : An annual number of cases of two groups were similar from 1991 to 1998. But from 1999, flexible endoscopy was performed actively. Asymptomatic cases were frequently observed in flexible endoscopy(28 cases/66 cases) but swallowing difficulties were frequently observed in the rigid endoscopy group(25 cases/61 cases). Other symptoms were vomiting, irritability, chest discomfort and abdominal pain. The total number of cases with underlying disease(esophageal stenosis, cerebral palsy) was 8. The total number of cases with complications (erosion, ulcer, bleeding, perforation) was 11. The above cases were not correlated between the two groups. In 55 cases(83.3%) of the flexible endoscopic group and 53 cases(86.8%) of the rigid endoscopic group, foreign bodies in the esophagus were removed within 24 hours. Conclusion : We could not find any benefit in rigid endoscopic technique. Flexible endoscopic FB removal can be performed safely and effectively in children by an experienced endoscopist.

Leukoencephalopathy after CNS Prophylactic Therapy in Pediatric Hematologic Malignancy (소아 혈액종양 환자에서 중추신경계 예방적 치료 후 발생한 백질뇌병증)

  • Lee, Jun Hwa;Lee, Sun Min;Choi, Eun Jin;Lee, Kun Soo
    • Clinical and Experimental Pediatrics
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    • v.46 no.6
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    • pp.566-571
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    • 2003
  • Purpose : Leukoencephalopathy(LE) is one of the most serious complications in children with hematologic malignancies during the course of treatment. Early recognition is important to reduce the impact and sequelae from LE. We therefore investigated the clinical features of LE following central nervous system(CNS) prophylaxis in children with hematologic malignancies and evaluated the significance of regular check-ups of brain MRI. Methods : We retrospectively reviewed children with hematologic malignancies who had CNS prophylaxis including intrathecal(IT) methotrexate(MTX) and/or cranial irradiation at the Department of Pediatrics, Kyungpook National University Hospital from Oct. 1995 to May 2002. Fifteen cases of acute leukemia and one case of lymphoma who experienced LE following CNS prophylaxis were included in the study. Clinical data were analyzed from the medical records and brain MRIs were reviewed by neuroradiologists. Results : The ages ranged from 1 to 13 years(median age=5.2 years), and the male to female ratio was 3 : 1. The time interval from the beginning of chemotherapy to the time of diagnosis of LE ranged from 2 to 17 months. They all had IT MTX two to 15 times and ten underwent cranial irradiation(1,800 rads). At the time of diagnosis, ten of them had neuropsychiatric symptoms including seizures, personality changes, headache, etc. After the change of treatment modality, four cases showed significant improvement on follow-up MRIs, six cases had no significant changes and two had worsening of LE. Four patients died of infection and bone marrow relapse. Conclusion : CNS prophylaxis with IT therapy and cranial irradiation may cause leukoencephalopathy during the course of treatment. As a result, regular brain MRI check-up is recommended for the early detection and reducing the incidence of LE, along with changes in the treatment modality.

Clinical aspects of chronic urticaria in children (소아 만성 두드러기의 임상 양상 및 경과)

  • Kang, Hye Seon;Shin, Mee Yong
    • Clinical and Experimental Pediatrics
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    • v.52 no.2
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    • pp.205-212
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    • 2009
  • Purpose : Chronic urticaria is a disorder characterized by the appearance of wheals for more than 6 weeks; in most cases, the etiology is unknown. This study was aimed to discover the clinical aspects, the etiologic factors, and the course of chronic urticaria. Methods : 51 children who were diagnosed with chronic urticaria in the past 4 years, and who had had follow-ups more than 6 months after diagnosis in the pediatric department of Soonchunhyang University Hospital in Bucheon, were enrolled in the study. The laboratory findings, clinical aspects, and courses were retrospectively investigated by medical record review and telephone interview. Results : The median age of children with chronic urticaria was 4 years (8 months to 16 years) and the ratio of male to female was 1.4:1. Of the total, 39.2% of patients had a history of atopy. Angioedema occurred concurrently with urticaria in 11.8% of patients, and dermographism was seen in 41.2%. Results of thyroid function tests were normal and thyroid autoantibodies were absent in all cases. Regarding etiology, most cases (74.5%) were forms of idiopathic urticaria. Urticaria was induced by physical factors in 19.6% of patients. Open challenge tests revealed that 3 patients were allergic to food additives (glutamate 2, glutamate, and sulfite 1). In this study, most of the patients reported good response after medication of 1st- or 2nd-generation antihistamines alone. Follow-up at 6 months revealed that 70.6% of patients had experienced remission, and 84.8% of children who had follow-up at 1 year presented remission. Conclusion : Chronic urticaria in most patients was idiopathic. Remission occurred within 1 year of diagnosis, in most cases so chronic urticaria in children seems to have good prognosis.

Adequacy of Source to Image Receptor Distance with Chest Postero-Anterior Projection in Digital Radiology System (디지털방사선 환경에서 흉부 후-전 방향 검사 시 초점과 영상수용체간 거리의 적절성)

  • Joo, Young-Cheol;Lim, Cheong-Hwan;You, In-Gyu;Jung, Hong-Ryang;Lee, Sang-Ho
    • Journal of radiological science and technology
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    • v.39 no.2
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    • pp.135-142
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    • 2016
  • The purpose of this study is to evaluate propriety of using SID 180cm at Chest PA examination and to find effect of geometrical cause to the image. XGEO-GC80, INNOVISION-SH, CXDI-40EG detector and a chest phantom designed self-production was used for this study. Images were acquired at SID 180cm with changing the factor OID as 0, 75 and 83mm and were analyzed by Centricity Radiography RA1000 PACS system. Statistical program was used the SPSS (Version 22.0, SPSS, Chicago, IL, USA), p-value(under 0.05) was considered to be statistically significant. In OID 0 mm was enlarged about 2.7~3.5 mm than the actual degree of the HS, BS of phantom in all equipments. Compared with the calculated magnification has been expanded 1.6~2.8% when viewed. The OID 75 mm with OID 83 mm was extended from the CS and BS 6~8 mm range. Compared to the calculated values, the measured values are expanded from 6.1 to 7.9%. CS and BS according to the OID change showed a statistically significant difference (p<0.05) among each group, the post-analysis only OID 0 mm group appeared as an independent group, 75 mm and 83 mm are separated in the same group It was. But had no statistically significant difference could change depending on the OID (p>0.05), post-mortem analysis showed, both in the same group. Heart sizes appears larger than actual size 6~8 mm at chest PA examination which is enlarged 6.1~7.9% more than the actual theoretical value. We can find magnification of the image because of the increase of the OID due to technical limitations between cover of standing detector and the image plate. so we suggest to have occurred between them when considering the need to adjust the equipment installed by the SID to match the characteristics of the equipment.

Treatment and Results of Olfactory Neuroblastoma (후각신경아세포종의 치료 및 결과)

  • Wu Hong-Gyun;Kim Il Han
    • Radiation Oncology Journal
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    • v.18 no.3
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    • pp.177-181
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    • 2000
  • Purpose : Rarity of olfactory neuroblastoma makes it difficult for treating Physician to Practice with a consistent protocol. This study is peformed to analyze our experience with various treatment modalities for patients with olfactory neuroblastoma. Discussion includes review of some recently published literatures. Methods and Materials : Between June of 1979 and April of 1997, 20 patients were treated under the diagnosis of olfactory neuroblastoma at Seoul National University Hospital. There were 14 male and 6 female patients. Age at initial treatment ranged from l3 to 77 years with median or 24 years. fifteen or 20 patients had Kadish stage C. They were treated with various combinations of surgery, radiation therapy and chemotherapy; surgery+postoperative radiation therapy+adjuvant chemotherapy for 2 patients, surgery+postoperative radiation therapy for 6, neoadjuvant chemotherapy+surgery for 1, surgery+adjuvant chemotherapy for 1, surgery only for 2, neoadiuvant chemotherapy+ radiation therapy for 3, radiation therapy+adjuvant chemotherapy for 1, radiation therapy only for 3, and no treatment for 1 patient. Results : Follow-up ranged from 2 month to 204 months with mean of 39.6 months. The overall 5- and 10-year survival rates are 20% and 10%, respectably. Four patients are alive at the time of data analysis. One of four living patients was treated with radical surgery, postoperative radiation therapy and adjuvant chemotherapy, two patients with radical surgery and postoperative radiation therapy, and one with radical surgery only. Conclusion : Multidisciplinary approach, including radical surgery, pre- or post-operative radiation therapy and chemotherapy, should be addressed at the initial time of diagnosis. Although limited by small number of the patients, this study suggests importance of local treatment modality, especially radical surgery in the treatment of lofactory neuroblastoma.

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Improvement of Knowledge, Self-Efficacy and Self-Care Behaviors among Diabetic Patients participated in the Education Program of Sejong Center for Hypertension and Diabetes Management (당뇨병 환자 교육에 따른 지식, 자기효능감 및 자기관리행위의 변화: 세종특별자치시 고혈압·당뇨병 등록교육센터 등록자를 중심으로)

  • Jung, Jin-Gyu;Chung, Eun-Young;Kim, A-Ryeon;Park, Hyun-Jin;Kim, Yun-Jung;Ban, Young-Hwa;Kim, Jong-Sung;Yoon, Seok-Joon;Kim, Soon-Young;Ahn, Soon-Ki;Nam, Hae-Sung
    • Journal of agricultural medicine and community health
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    • v.42 no.4
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    • pp.234-243
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    • 2017
  • Objective: This study was aimed to evaluate the effectiveness of the diabetes education program implemented in a community hypertension and diabetes education center. Methods: Participants were thirty nine diabetic patients who received the education program in the center from May 2014 through May 2015. The education program consisted of two sessions for 2 days (45 minutes per session) regarding clinical information, nutrition and exercise for type 2 diabetes patients. Initially, they were assessed for general characteristics, knowledge on diabetes, self-efficacy and self-care behaviors. Reassessment was performed on their knowledge and self-efficacy directly after the program, and on self-care behaviors at 12 weeks after the program. Results: The mean score of diabetes knowledge was significantly increased from $5.27{\pm}2.10$ to $8.21{\pm}1.20$ (p<0.001) between before and after the program. The self-efficacy score was also significantly increased from $6.88{\pm}1.72$ to $8.16{\pm}1.47$ (p<0.001). The self-care behavior score was significantly increased from $3.59{\pm}1.89$ before the program to $4.35{\pm}1.29$ (p<0.001) at 12 weeks after the program. Conclusion: The diabetes education program may be effective on the improvement of knowledge, self-efficacy and self-care behaviors in type 2 diabetic patients.

Surgical Treatment for T4 Non-small Cell Lung Cancer Invading Mediastinal Structures (종격동 구조물을 침범한 T4 비소세포폐암의 수술적 치료)

  • 황은구;이해원;정진행;박종호;조재일;심영목;백희종
    • Journal of Chest Surgery
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    • v.37 no.4
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    • pp.349-355
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    • 2004
  • Non-small cell lung cancer (NSCLC) with invasion of mediastinal structures is classified as stage IIIB, and has been considered surgically unresectable However, in a selected group of these patients, better results after surgical resection compared to non-surgical group have been reported. The aim of this study is to evaluate the role of surgical resection in treatment of mediastinal T4 NSCLC. Material and Method: Among 1067 patients who underwent surgical intervention for non-small cell lung cancer from Aug 1987 to Dec 2001 in Korea cancer center hospital, 82 patients had an invasion of T4 mediastinal structures (7.7%). Resection was possible in 63patients (63/82 resectability 76.8%). Their medical records in Data Base were reviewed, and they were followed up completely until Jun 2002. Surgical results and prognostic factors of NSCLC invading mediastinal structures were evaluated retrospectively. Result Lung cancer was resected completely in 52 patients (63.4%, 52/82). Lung resection was lobectomy (or more) in 14, pneumonectomy in 49. The mediastinal structures invaded by primary tumor were great vessel (61.9%), heart (19%), vagus nerve (9.5%), esophagus (7.9%), and vertebral body (7.9%). Nodal status was N0 in 11, N1 in 24, and N2 in 28 (44.4%). Neoadjuvant therapy was done in 6 (9.5%, 5 chemotherapy, 1 radiotherapy), and adjuvant therapy was added in 44 (69.8%, 15 chemotherapy, 29 radiotherapy) in resection group (n=63). Complication was occurred in 23 (31.7%), and operative mortality was 9.5% in resection group. Median and 5 year overall survival including operative mortality was 18.1 months and 21.7% in resection group (n=63), 6.2months and 0% in exploration only group (n=19, p=.001), 39 months and 32.9% in N2 (-) resection group (n=35), and 8.8 months and 8.6% in N2 (+) resection group (n=28, p=.007). The difference of overall survival by mediastinal structure was not significant. Conclusion: The operative risk of NSCLC invading mediastinal structures was high but acceptable, and long-term result of resection was favorable in selected group. Aggressive resection is recommended in well selected pateints with good performace and especially N2 (-) NSCLC with mediastinal invasion.

The Changes of Respiratory Mechanics by a Bronchodilator Inhalation Under the Variable Level of PEEP in Patients with Acute Respiratory Distress Syndrome (급성호흡곤란증후군에서 기도확장제 투여 전후에 호기말양압 수준의 변화가 호흡역학에 미치는 영향)

  • Hong, Sang-Bum;Koh, Youn-Suck
    • Tuberculosis and Respiratory Diseases
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    • v.52 no.3
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    • pp.251-259
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    • 2002
  • Background : Reduced lung compliance and increased lung resistance are the primary lung mechanical abnormalities in acute respiratory distress syndrome (ARDS). Although there is little information regarding the mechanisms responsible for the increases in the respiratory resistance of ARDS, bronchodilators have been frequently administered in mechanically ventilated ARDS patients. To determine the effect of a bronchodilator on the respiratory mechanics depending on the level of applied positive end-expiratory pressure (PEEP), the changes in the respiratory mechanics by salbutamol inhalation was measured under the variable PEEP level in patients with ARDS. Materials and Methods : Fifteen mechanically ventilated paralyzed ARDS patients (14 of male, mean age 57 years) were enrolled in this study. The respiratory system compliance, and the maximum and minimum inspiratory resistance were obtained by the end-inspiratory occlusion method during constant flow inflation using the CP-100 pulmonary monitor (Bicore, Irvine, CA, USA). The measurements were performed at randomly applied 8, 10 and 12 cm $H_2O$ PEEP before and 30 mins after administrating salbutamol using a meter-dose-inhaler (100ug${\times}$6). Results : 1) The maximum inspiratory resistance of the lung was higher than the reported normal values due to an increase in the minimal inspiratory resistance & additional resistance. 2) The maximum inspiratory resistance and peak airway pressure were significantly higher at 12cm $H_2O$ of PEEP compared with those at 10cm $H_2O$ of PEEP. 3) Salbutamol induced a significant decrease in the maximum and the minimum inspiratory resistance but no significant change in the additional resistance only was observed at 12cm $H_2O$ of PEEP(from $15.66{\pm}1.99$ to $13.54{\pm}2.41$, from $10.24{\pm}2.98$ to $8.04{\pm}2.34$, and from $5.42{\pm}3.41$ to $5.50{\pm}3.58cm$ $H_2O$/L/sec, respectively). 4)The lung compliance did not change at the applied PEEP and salbutamol inhalation levels. Conclusion : The bronchodilator response would be different depending on the level of applied PEEP despite the increased respiratory resistance in patients with ARDS.

Usefulness of Cardiac Troponin I as a Prognostic Marker in Noncardiac Critically Ill Patients (비순환기계 중환자의 예후인자로서 Cardiac Troponin I의 유용성)

  • Kim, Hwi Jong;Ham, Hyoun Seok;Cho, Yu Ji;Kim, Ho Cheol;Lee, Jong Deok;Hwang, Young Sil
    • Tuberculosis and Respiratory Diseases
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    • v.59 no.1
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    • pp.53-61
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    • 2005
  • Background : Cardiac troponin I (cTnI) is a specific marker of myocardial injury. It is known that a higher level of cTnI is associated with a poor clinical outcome in patients with acute coronary syndrome. An elevation in cTnI is also observed in various noncardiac critical illnesses. This study evaluated whether cTnI is useful for predicting the prognosis in noncardiac critically ill patients. Methods : From June 2003 to July 2004 at Gyeongsang National University Hospital, we enrolled 215 patients (male:142, female:73, mean age:$63{\pm}15$ years ) who were admitted for critical illness other than acute coronary syndrome at the medical intensive care unit(ICU). The severity score of critical illness (SAPS II and SOFA) was determined and serum cTnI level was measured within 24 hours after admission to the ICU. The mortality rate was compared between the cTnI-positive (${\geq}0.1{\mu}g/L$) and cTnI-negative ($cTnI<0.1{\mu}g/L$) patients at the $10^{th}$ and $30^{th}$ day after admission to the ICU. The mean cTnI value was compared between the survivors and non-survivors at the $10^{th}$ and $30^{th}$ day after admission to the ICU in the cTnI-positive patients. The correlation between cTnI and the severity of the critical illness score (SAPS II and SOFA) was also analyzed in cTnI-positive patients. Results : 1) The number of cTnI-negative and positive patients were 95(44%) and 120(56%), respectively. 2) The mortality rate at the $10^{th}$ and $30^{th}$ day after admission to the ICU was significantly higher in the cTnI-positive patients (29%, 41%) than in the cTnI-negative patients (12%, 21%)(p<0.01). 3) In the cTnI-positive patients, the mean value of the cTnI at the $10^{th}$ and $30^{th}$ day after admission to the ICU was significantly higher in the non-survivors ($4.5{\pm}9.2{\mu}g/L$, $3.5{\pm}7.9{\mu}g/L$) than in the survivors($1.8{\pm}3.6{\mu}g/L$, $2.0{\pm}3.9{\mu}g/L$) (p < 0.05). 4) In the cTnI-positive patients, the cTnI level was significantly correlated with the SAPS II score (r=0.24, p<0.001) and SOFA score (r=0.30, p<0.001). Conclusion : The cTnI may be a useful prognostic marker in noncardiac critically ill patients.