• 제목/요약/키워드: Retrospective cohort study

검색결과 350건 처리시간 0.032초

The Suitability of the CDC Field Triage for Korean Trauma Care

  • Choi, Kang Kook;Jang, Myung Jin;Lee, Min A;Lee, Gil Jae;Yoo, Byungchul;Park, Youngeun;Lee, Jung Nam
    • Journal of Trauma and Injury
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    • 제33권1호
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    • pp.13-17
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    • 2020
  • Purpose: Accurate and appropriate prehospital field triage is essential for a trauma system. The Korean trauma system (established in 2014) uses the trauma field triage algorithm of the United States Centers for Disease Control and Prevention (CDC). This study evaluated the suitability of the CDC field triage criteria for major trauma cases (injury severity score >15) in Korea. Methods: This retrospective cohort study evaluated trauma patients who presented at the authors' regional trauma center from January 1 to May 7, 2017. The undertriage and overtriage rates of each CDC field triage step were calculated. Receiver operating characteristic curves were constructed, and the area under the curve (AUC) was evaluated for each step. Results: Among the 1,009 enrolled patients, 168 (16.7%) had major trauma. The undertriage/overtriage rates of each step (steps I, II, III, and IV) of CDC field triage were 9.2%/47.4%, 6.3%/50.8%, 4.5%/59.4%, and 5.3%/78.9%, respectively. The AUC values of each CDC triage step were 0.722, 0.783, 0.791, and 0.615, respectively. The AUC values of the separate components of each step (physiologic criteria, anatomic criteria, mechanism-of-injury criteria, and special considerations) were 0.722, 0.648, 0.647, and 0.456, respectively. Conclusions: The CDC field triage system is acceptable, but not ideal, for Korean trauma care. If we follow the protocol, it would be preferable to omit step IV. The Korean Triage and Acuity Scale may be a good indicator for in-hospital triage. However, a new triage protocol that is simple to estimate on-scene while having good performance should be developed.

A multi-institutional analysis of sternoclavicular joint coverage following osteomyelitis

  • Othman, Sammy;Elfanagely, Omar;Azoury, Said C.;Kozak, Geoffrey M.;Cunning, Jessica;Rios-Diaz, Arturo J.;Palvannan, Prashanth;Greaney, Patrick;Jenkins, Matthew P.;Jarrar, Doraid;Kovach, Stephen J.;Fischer, John P.
    • Archives of Plastic Surgery
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    • 제47권5호
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    • pp.460-466
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    • 2020
  • Background Sternoclavicular joint (SCJ) osteomyelitis is a rare pathology requiring urgent intervention. Several operative approaches have been described with conflicting reports. Here, we present a multi-institutional study utilizing multiple surgical pathways for SCJ reconstruction. Methods A multi-institutional retrospective cohort study was conducted to identify patients who underwent surgical repair for sternoclavicular osteomyelitis between 2008 and 2019. Patients were stratified according to reconstruction approach: single-stage reconstruction with advancement flap and delayed-reconstruction with flap following initial debridement. Demographics, operative approach, type of reconstruction, and postoperative outcomes were analyzed. Results Thirty-two patients were identified. Mean patient age was 56.2±13.8 years and 68.8% were male. The average body mass index (BMI) was 30.0±8.8 kg/㎡. The most common infection etiologies were intravenous drug use and bacteremia (both 25%). Fourteen patients (43.8%) underwent one-stage reconstruction and 18 (56.2%) underwent delayed two-staged reconstruction. Both single and delayed-stage groups had comparable rates of reinfection (7.1% vs. 11.1%, respectively), surgical site complications (21.4% vs. 27.8%), readmissions (7.1% vs. 16.6%), and reoperations (7.1% vs. 5.6%; all P>0.05). The single-stage reconstruction group had a significantly lower BMI (26.2±5.7 kg/㎡ vs. 32.9±9.1 kg/㎡; P<0.05) and trended towards shorter hospital length of stay (11.3 days vs. 17.9 days; P=0.01). Conclusions Both single and delayed-stage approaches are appropriate methods with comparable outcomes for reconstruction for SCJ osteomyelitis. When clinically indicated, a single-stage reconstruction approach may be preferable in order to avoid a second operation as associated with the delayed phase, and possibly shortening total hospital length of stay.

건강한 성인에서 성별에 따른 혈중 콜레스테롤 농도와 우울증상의 연관성 : 후향적 의무기록 조사 (Gender Difference in Associations between Serum Cholesterol Levels and Depression Symptoms in Healthy General Population)

  • 이소희;박미나;윤대현;이영;김선신
    • 정신신체의학
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    • 제25권1호
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    • pp.27-32
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    • 2017
  • 연구목적 본 연구는 우울 증상과 혈중 콜레스테롤 농도의 연관성이 성별에 따라 차이가 있는지 살펴보고자 하였다. 방법 건강검진을 받은 일반인 중 27,452명(남자 15,044명, 여성 12,408명)을 대상으로 후향적 의무기록 조사를 통하여 이루어졌다. 대상자들의 벡우울척도(Beck Depression Inventory, BDI)점수를 구하고 총콜레스테롤(Total cholesterol, TC), 중성지방(Triglyceride, TG)), 고밀도 지단백 콜레스테롤(High density lipoprotein cholesterol, HDL-C), 저밀도 지단백 콜레스테롤(Low density lipoprotein cholesterol, LDL-C)을 분석하였다. 결과 남성은 총콜레스테롤(TC)과 벡우울척도(BDI) 점수 사이에는 통계적으로 유의한 상관성을 보이지 않았다. 중성지방(TG)은 벡우울척도(BDI) 점수와 양의 상관성을 보였으며(r=0.020, p<0.01), 고밀도 지단백 콜레스테롤(HDL-C)와 저밀도 지단백 콜레스테롤(LDL-C)은 벡우울척도(BDI) 점수와 음의 상관성을 보였다(r=-0.016, p<0.01 ; r=-0.015, p<0.05) 여성의 경우도 총콜레스테롤(TC)과 벡우울척도(BDI) 점수 사이에는 통계적으로 유의한 상관성이 없었으며 중성지방(TG)은 벡우울척도(BDI)점수와 양의 상관성을 보였고(r=0.020, p<0.01) 고밀도 지단백 콜레스테롤(HDL-C)과는 음의 상관성을 보였다(r=-0.019, p<0.01). 남성과 달리 저밀도 지단백 콜레스테롤(LDL-C)은 통계적으로 유의한 상관성을 보이지 않았다. 결론 남녀 모두 중성지방(TG)이 높을수록, 고밀도 지단백 콜레스테롤(HDL-C)이 낮을수록 우울 증상의 정도가 심한 것으로 나타났으며, 남성에서만 저밀도 지단백 콜레스테롤(LDL-C)이 낮을수록 우울 증상이 심한 것으로 나타났다.

만성폐쇄성폐질환의 급성악화로 입원했던 환자에서 장기간 사망의 예측인자 (Predictors of Long-term Mortality after Hospitalization for Acute Exacerbation of COPD)

  • 정해선;이진화;천은미;문진욱;장중현
    • Tuberculosis and Respiratory Diseases
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    • 제60권2호
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    • pp.205-214
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    • 2006
  • 배 경 : 만성폐쇄성폐질환의 급성 악화는 주요한 사회경제적 부담이다. 이 질환의 높은 사망률이 잘 알려져 있지만, 아직까지 급성악화로 입원했던 환자의 장기 예후에 대해서는 잘 알려져 있지 않다. 본 연구의 목적은 만성폐쇄성폐질환의 급성악화로 입원했던 환자에서 장기간 사망의 예측인자를 알아보기 위함이다. 방 법 : 2000년부터 2004년 사이에 만성폐쇄성폐질환의 급성 악화로 입원한 환자를 대상으로 후향적으로 조사하였다. 입원 중 또는 퇴원 후 6개월 이내에 사망하거나 흉부 X-선 촬영에서 결핵반흔, 흉막비후나 기관지확장증이 동반된 경우, 추적기간 중 악성종양을 진단받은 환자는 제외하였다. 결 과 : 평균 연령은 69.5세였고, 추적기간은 49개월이었으며, 평균 $FEV_1$은 1.00L(예측치의 46%)였다. 사망률은 35%(17/48)였다. 다중 Cox 회귀분석 결과 분당 100회 이상의 빈맥과(p=0.003; 상대위험도, 11.99; 95% 신뢰구간, 2.34-61.44) 35mmHg이상의 우심실수축기압이(p=0.019; 상대위험도, 6.85; 95% 신뢰구간, 1.38-34.02) 사망 위험을 높이는 독립적인 예측인자였다. 결 론 : 만성폐쇄성폐질환의 급성악화로 입원했던 환자의 장기간 사망 위험을 예측하는 데 안정시 심장박동수와 우심실수축기압이 유용할 것이다.

Passive Smoking and Breast Cancer - a Suspicious Link

  • Malik, Abhidha;Jeyaraj, Pamela Alice;Shankar, Abhishek;Rath, Goura Kishore;Mukhopadhyay, Sandip;Kamal, Vineet Kumar
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권14호
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    • pp.5715-5719
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    • 2015
  • Background: Breast cancer is the most common malignancy of women in the world. The disease is caused by infectious and non-infectious, environmental and lifestyle factors. Tobacco smoke has been one of the most widely studied environmental factors wiith possible relevance to breast cancer. The purpose of this study was to assess the impact of tobacco smoking in breast cancer patients in a hospital based cohort and to establish prognostic implications if any. Materials and Methods: A retrospective audit of 100 women with pathological diagnosis of invasive breast cancer was included in this study. The verbal questionnaire elicited information on current and previous history of exposure to smoking in addition to active smoking. All analyses were adjusted for potential confounders, including stage at presentation, alcohol intake, hormonal replacement therapy, oral contraceptive intake, obesity and menopausal status. Results: The mean age at presentation of breast cancer was $51.4{\pm}10.86$ years. Mean age of presentation was $53.1{\pm}11.5$ and $45.7{\pm}11.9$ years in never smokers and passive smokers, respectively. Age at presentation varied widely in patients exposed to tobacco smoke for >10 years in childhood from $40.3{\pm}12.0$ years to $47.7{\pm}13.9$ in patients exposed for > 20years as adults. Among passive smokers, 60.9% were premenopausal and 39.1% of patients were postmenopausal. In never smokers, 71.4% were post menopausal. Expression of receptors in non-smokers vs passive smokers was comparable with no significant differences. Metastatic potential in lung parenchyma was slightlyelevated in passive smokers as compared to never smokers although statistically non-significant. Conclusions: An inverse relationship exists between the intensity and duration of smoking and the age at presentation and poor prognostic factors. The results strongly suggest efforts should be taken to prevent smoking, encourage quitting and restrict exposure to second hand smoke in India.

입원 초기 지표를 통한 호스피스 환자의 퇴원 형태 예측 (Prediction of Patient Discharge Status Based on Indicators on Admission)

  • 정성인;이승훈;김윤진;이상엽;이정규;이유현;조영혜;탁영진;황혜림;박은주;김경미
    • Journal of Hospice and Palliative Care
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    • 제21권3호
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    • pp.75-83
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    • 2018
  • 목적: 호스피스 완화의료에서 환자의 기대 여명 예측뿐 아니라 퇴원형태를 예측하여 적절한 치료를 제공할 필요가 있다. 이번 연구에서는 입원 초기 환자의 퇴원 형태 예측에 유의한 요소들을 알아보고 효율적인 완화의료의 방향에 대해 제시하고자 한다. 방법: 2016년 4월 1일부터 2017년 12월 31일까지 P병원 호스피스 병동에 입원한 말기암환자 568명 중 377명을 대상으로 하였으며 입원 시 사정한 환자의 수행 지수, 증상 및 징후, 사회 경제적 상태와 혈액검사 자료를 바탕으로 연구를 진행하였다. 결과: 입원 당시 높은 수행지수, 양호한 증상 및 징후, 정상에 가까운 혈액검사 수치를 보일 때 생존 퇴원할 가능성이 높았다. 결론: 환자의 퇴원형태 예측에 ECOG, KPS, Global health, Mental status와 같은 수행지수, dyspnea, anorexia, dysphagia, fatigue와 같은 증상 및 징후, CBC, LFT, BUN, CRP 혈액검사 수치가 유의한 지표임을 확인하였다.

2014년 울산시 일개 고등학교 야구부원들에서 발생한 장독소생성대장균의 유행에 관한 역학조사 (Epidemiological Investigation on an Outbreak of Enterotoxigenic E. coli among the Baseball Club Students of High School in Ulsan City, 2014)

  • 강영은;임현술;이관;김병석
    • 농촌의학ㆍ지역보건
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    • 제40권2호
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    • pp.53-61
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    • 2015
  • 2014년 울산광역시 일개 고등학교에서 장독소생성대장균의 유행이 발생하였고, 이에 대한 원인과 전파 양식 등을 규명하고 예방 및 관리대책을 마련하기 위해 역학조사를 시행하였다. 학교 야구부원 26명과 조리담당 학부모 2명을 대상으로 설문조사를 실시하였으며, 6월 13~14일 발생한 의심환자 7명과 조리담당 학부모 2명을 대상으로 보건환경연구원에서 세균 10종 및 바이러스 5종에 관한 검사를 시행하였다. 일별로 가장 많이 발생한 6월 14일을 기준으로 3일 전인 11일부터 13일까지의 식단을 이용하여 후향적 코호트 연구를 시행하였다. 학교 운동부 학생 26명 및 조리담당 학부모 2명 등 총 28명 중 환례는 10명으로 장독소생성대장균의 발병률은 35.7%이었다. 위험요인 분석에서 통계적으로 유의한 음식은 없었다. 이번 유행의 원인으로 생활관 식당 내 제빙기의 얼음퍼개 및 얼음이 6월 9일 초발자에 의하여 사용 과정에서 오염된 것으로 추정하였다. 오염된 얼음퍼개가 제빙기 내부에 보관되어, 얼음과 주변 녹은 물이 오염되고 그로 인해 원인병원체의 전파가 이루어졌다고 추정하였다.

Skeletal stability following mandibular advancement: is it influenced by the magnitude of advancement or changes of the mandibular plane angle?

  • Tabrizi, Reza;Nili, Mahsa;Aliabadi, Ehsan;Pourdanesh, Fereydoun
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • 제43권3호
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    • pp.152-159
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    • 2017
  • Objectives: The aim of this study was to investigate the effects of advancement magnitude and changes in mandibular plane angle on the stability of mandibular advancement. Materials and Methods: This retrospective cohort study evaluated the postoperative stability of mandibular advancement in class II skeletal subjects who underwent bilateral sagittal split osteotomy. Radiographs taken preoperatively, immediately postoperatively and 1 year postoperatively were traced and analyzed using linear and angular measurements. To determine horizontal and vertical relapse, an X-Y coordinate system was established in which the X-axis was constructed by rotating S-N downward by $7^{\circ}$ (approximation of the Frankfort horizontal plane) and the Y-axis was defined as a line perpendicular to the X-axis and passing through the point Sella. For certain reference points including point A, point B, pogonion and menton, the perpendicular distance between each point and both axes was determined and cephalometric variables were recorded as X and Y coordinates. Results: Twenty-five subjects were studied. A significant correlation between the amount of mandibular advancement and relapse in the B point (vertical and horizontal) and the pogonion point was observed (vertical and horizontal, P<0.001). Evaluation of data demonstrated a positive correlation between the mandibular plane angle (SN/ML) change and vertical relapse in the B point (P<0.05). A simple regression model demonstrated that 74% of horizontal relapse and 42.3% of vertical relapse in the B point was related to the amount of mandibular advancement. The receiver operating characteristic test showed that 8.5 mm mandibular advancement is related to a relapse rate of 1 mm or more in the pogonion, vertically or horizontally. Conclusion: The magnitude of mandibular advancement is a stronger surgical predictor for horizontal rather than vertical relapse at the B point. Changes in mandibular plane angle (SN/ML) during surgery affect vertical, but not horizontal relapse at the B point.

Use of radiotherapy in patients with palliative double bypass for locally advanced pancreatic adenocarcinoma

  • Glinka, Juan;Diaz, Federico;Alva, Augusto;Mazza, Oscar;Claria, Rodrigo Sanchez;Ardiles, Victoria;Santibanes, Eduardo de;Pekolj, Juan;Santibanes, Martin de
    • Radiation Oncology Journal
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    • 제36권3호
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    • pp.210-217
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    • 2018
  • Purpose: Pancreatic cancer (PC) has not changed overall survival in recent years despite therapeutic efforts. Surgery with curative intent has shown the best long-term oncological results. However, 80%-85% of patients with these tumors are unresectable at the time of diagnosis. In those patients, first therapeutic attempts are minimally invasive or surgical procedures to alleviate symptoms. The addition of radiotherapy (RT) to standard chemotherapy, ergo chemoradiation, in patients with locally advanced pancreatic cancer (LAPC) is still controversial. The study aims to compare outcomes in patients with a double bypass surgery due to LAPC treated or not with RT. Materials and Methods: A retrospective cohort study of patients with double bypass for LAPC were registered and divided into two groups: treated or not with postoperative RT. Baseline characteristics, postoperative complications, those related to RT and their relation to the main event (mortality) were compared. Results: Seventy-four patients were included. Surgical complications between the groups did not offer significant differences. Complications related to RT were mostly mild, and 86% of patients completed the treatment. Overall survival at 1 and 2 years for patients in the exposed group was 64% and 35% vs. 50% and 28% in the non-exposed group, respectively (p = 0.11; power 72%; hazard ratio = 0.53; 95% confidence interval, 0.24-1.18). Conclusion: We observed a tendency for survival improvement in patients with postoperative RT. However, we've not had enough power to demonstrate this difference, possibly due to the small sample size. It is indispensable to develop randomized and prospective trials to guide more specific treatment lines in this patients.

Does oral doxycycline treatment affect eradication of urine vancomycin-resistant Enterococcus? A tertiary hospital study

  • Kim, Yoonjung;Bae, Sohyun;Hwang, Soyoon;Kwon, Ki Tae;Chang, Hyun-Ha;Kim, Su-Jeong;Park, Han-Ki;Lee, Jong-Myung;Kim, Shin-Woo
    • Journal of Yeungnam Medical Science
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    • 제37권2호
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    • pp.112-121
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    • 2020
  • Background: Vancomycin-resistant Enterococcus (VRE) has become more common in nosocomial infections, especially in urine samples. However, until now, no treatment regimen has been proven to effectively eradicate urine VRE colonization. Therefore, to evaluate the efficacy of doxycycline in eradicating urine VRE and shortening VRE isolation period, we compared VRE colony detection period between doxycycline-treated and untreated patients. Methods: A retrospective cohort study of 83 patients with VRE colonization in urine cultures was conducted at a tertiary academic hospital from January 2011 to February 2018. Kaplan-Meier survival analysis was used to evaluate eradication rates in the treatment and non-treatment groups. Factors affecting urine VRE colonization persistence were analyzed by multiple logistic regression analysis. Results: The overall rate of VRE eradication during the entire hospital stay was higher in the doxycycline treatment group (90.5%) than in the non-treatment group (58.1%, p=0.014). Survival analysis showed that the 5-, 10-, and 20-day cumulative eradication rates were 78.3%, 100%, and 100% in the doxycycline treatment group, and 18.5%, 45.7%, and 67.8% in the non-treatment group, respectively, thereby indicating that eradication rates were higher in the doxycycline treatment group than in the non-treatment group (p<0.001). Only doxycycline treatment was shown to affect urine VRE colonization persistence in multivariate logistic regression analysis. Conclusion: Doxycycline treatment enhanced the eradication rate of urine VRE colonization and appeared to be useful in shortening VRE isolation period.