Objectives: ：We investigated relationship between sleep time and depression in the aged 65 years or older. Methods: ：This study was based on the data from seventh Korean National Health and Nutrition Examination Survey (KNHANES). 3,285 people aged 65 years or older were selected as the subjects of this research. The demographic characteristics, sleep time and Patient Health Questinnaire-9 (PHQ-9) were administered for each subjects. Depression was defined as above 10 points of PHQ-9. Results: ：All the demographic variables such as age, sex, education, household income, marital status, drinking and smoking except Body Mass Index (BMI) were correlated with the depression. When we corrected the variables, inadequate sleep time groups (less than 6 hours or more than 9 hours) tended to be depressed. Conclusions ：The study results showed the significant correlation between sleep time and depression in the aged 65 years or older. Adequate sleep time is important to prevent the depression of the aged.

Purpose: Local excision (LE) is an alternative initial treatment for clinical T1 rectal cancer, and has avoided potential morbidity. This study aimed to evaluate the clinical outcomes of LE compared with total mesorectal excision (TME) for clinical T1 rectal cancer. Methods: Between January 2000 and December 2011, we retrospectively reviewed from multicenter data in patients with clinically suspected T1 rectal cancer treated with either LE or TME. Of 1,071 patients, 106 were treated with LE and 965 were treated with TME. The data were analyzed using propensity score matching, with each group comprising 91 patients. Results: After propensity score matching, the median follow-up time was 60.8 months (range, 0.6–150.6 months). After adjustment for the necessary variables, patients who underwent LE showed a significantly higher local recurrence rate than did those who underwent TME; however, there were no differences in disease-free survival and overall survival. In the multivariate analysis, age (hazard ratio [HR], 9.620; 95% confidence interval [CI], 3.415–27.098; P<0.001) and angiolymphatic invasion (HR, 3.63; 95% confidence interval, 1.33–9.89; P=0.012) were independently associated with overall survival. However, LE was neither associated with overall survival nor disease-free survival. Conclusion LE for clinical T1 rectal cancer yielded a higher local recurrence rate than did TME. Nevertheless, LE provided comparable overall survival rate and can be proposed as an optional treatment in terms of organ-preserving strategies.

Purpose: This study aimed to evaluate real-world clinical outcomes from surgically treated patients for sigmoid volvulus. Methods: Five tertiary centers participated in this retrospective study with data collected from October 2003 through September 2018, including demographic information, preoperative clinical data, and information on laparoscopic/open and elective/emergency procedures. Outcome measurements included operation time, postoperative hospitalization, and postoperative morbidity. Results: Among 74 patients, sigmoidectomy was the most common procedure (n = 46), followed by Hartmann’s procedure (n = 23), and subtotal colectomy (n = 5). Emergency surgery was performed in 35 cases (47.3%). Of the 35 emergency patients, 34 cases (97.1%) underwent open surgery, and a stoma was established for 26 patients (74.3%). Elective surgery was performed in 39 cases (52.7%), including 21 open procedures (53.8%), and 18 laparoscopic surgeries (46.2%). Median laparoscopic operation time was 180 minutes, while median open surgery time was 130 minutes (P < 0.001). Median postoperative hospitalization was 11 days for laparoscopy and 12 days for open surgery. There were 20 postoperative complications (27.0%), and all were resolved with conservative management. Emergency surgery cases had a higher complication rate than elective surgery cases (40.0% vs. 15.4%, P = 0.034). Conclusion Relative to elective surgery, emergency surgery had a higher rate of postoperative complications, open surgery, and stoma formation. As such, elective laparoscopic surgery after successful sigmoidoscopic decompression may be the optimal clinical option.

PURPOSE: Stage-IIIC colon cancer is an advanced disease; however, its oncologic outcomes and prognostic factors remain unclear. In this study, we aimed to determine the predictors of disease-free survival (DFS) in patients with stage-IIIC colon cancer. METHODS: From a multicenter database, we retrospectively enrolled 611 patients (355 men and 256 women) who had undergone a potentially curative resection for a stage-IIIC colon adenocarcinoma between 2003 and 2011. The primary end-point was the 5-year DFS. RESULTS: The median age was 62 years; 213 and 398 patients had right-sided colon cancer (RCC) and left-sided colon cancer (LCC), respectively. The 5-year DFS in all patients was 52.0%; median follow-up time was 35 months (range, 1–134 months). A multivariate Cox regression revealed that female sex (hazard ratio [HR], 1.50; 95% confidence interval [CI], 1.19–1.90; P < 0.01), right-sided tumor location (HR, 1.65; 95% CI, 1.29–2.11; P < 0.01), lymphatic invasion (HR, 1.52; 95% CI, 1.08–2.15; P < 0.01) and a high (≥0.4) metastatic lymph node ratio (HR, 3.72; 95% CI, 2.63–5.24; P < 0.01) were independent predictors of worse 5-year DFS. Female patients with RCC were 1.79 fold more likely to experience recurrence than male patients with LCC. CONCLUSION: Female sex and right-sided tumor location are associated with higher tumor recurrence rates in patients with stage-IIIC colon cancers. Aggressive treatment and close surveillance should be planned for patients in these groups.
Adenocarcinoma ; Colon* ; Colon, Ascending ; Colon, Descending ; Colonic Neoplasms* ; Disease-Free Survival ; Female* ; Follow-Up Studies ; Humans ; Lymph Nodes ; Male ; Prognosis ; Recurrence ; Retrospective Studies

BACKGROUND/AIMS: We evaluated the proposed clinical application of the combined interpretation of host factors and viral factors in two different cytomegalovirus (CMV) co-infection models. METHODS: We prospectively enrolled all human immunodeficiency virus non-infected patients with confirmed Pneumocystitis jirovecii pneumonia (PCP) and those with suspected gastrointestinal CMV disease in a tertiary hospital. All patients underwent CMV interferon-γ releasing assay (IGRA) for CMV (T-track CMV, Lophius Biosciences). We created the 2-axis model with the CMV IGRA results as the x-axis and the results for CMV virus replication as the y-axis, and hypothesized that cases falling in the left upper quadrant (high viral load and low CMV-specific immunity) of the model would be true CMV infections. The CMV IGRA results were concealed from the attending physicians. RESULTS: Of 39 patients with PCP, four (10%) were classified as combined CMV pneumonia, 13 (33%) as bystander activation, and the remaining 22 (56%) as no CMV infection. The data for all four patients with PCP and CMV pneumonia fell in the left upper quadrant of the 2-axis model. Of 24 patients with suspected gastrointestinal CMV disease, 12 (50%) were classified as gastrointestinal CMV disease and the remaining 12 (50%) as bystander activation with no gastrointestinal CMV disease. The data for 11 of the 12 patients (92%) with gastrointestinal CMV disease were located in the left upper quadrant of the 2-axis model. CONCLUSIONS: Cases yielding low CMV IGRA results and high CMV viral replication appear to be true CMV infections. Further studies with large number of cases in different types of CMV disease should be proposed.
Accidental Falls ; Coinfection ; Cytomegalovirus* ; Enzyme-Linked Immunospot Assay ; HIV ; Humans ; Pneumonia ; Prospective Studies ; Tertiary Care Centers ; Viral Load ; Virus Replication

BACKGROUND: This study was conducted in order to evaluate the propriety of expanded donor criteria in Korea and to identify the preoperative factors influencing allograft survival and function. METHODS: We studied 404 patients who received deceased renal transplants from five transplantation centers of 2, 3 territory from 2000 to 2010. Differences in 1-year graft function, delayed graft function (DGF) rate, and graft survival rate between the standard criteria donor (SCD) and expanded criteria donor (ECD) were compared retrospectively. The preoperative factors influencing graft function and graft survival were analysed. RESULTS: SCD showed significantly better 1-year graft function than ECD (P=0.011). No differences in 1-year acute rejection rate were observed between SCD (13.2%) and ECD (16.9%) (P=0.449). Significantly higher DGF rate was observed for ECD (25.4%) than for SCD (14.1%) (P=0.022). Graft type had no significant influence on 5-year graft survival (SCD 94.5% vs. ECD 93.7%) (P =0.835). Advanced donor age (P=0.001), donor hypertension history (P=0.047), high serum creatinine (P=0.002), and cerebral infarction as cause of death (P=0.004) had a negative influence on 1-year allograft function. Significantly low graft survival was observed for advanced donor age (P =0.002). CONCLUSIONS: Graft function, DGF rates of ECD were poorer than those of SCD. Graft survival rate of ECD was comparable to that of SCD kidney. Korean Network for Organ Sharing expanded criteria may underestimate the organ quality of deceased kidney and modification may be needed in order to expand the potential donor pool through nationwide study.
Cause of Death ; Cerebral Infarction ; Creatinine ; Delayed Graft Function ; Graft Survival ; Humans ; Hypertension ; Kidney ; Kidney Transplantation* ; Korea ; Retrospective Studies ; Survival Rate ; Tissue Donors* ; Transplantation, Homologous ; Transplants

OBJECTIVE: Preimplantation genetic diagnosis (PGD) is an assisted reproductive technique for couples carrying genetic risks. Charcot-Marie-Tooth (CMT) disease is the most common hereditary neuropathy, with a prevalence rate of 1/2,500. In this study, we report on our experience with PGD cycles performed for CMT types 1A and 2F. METHODS: Before clinical PGD, we assessed the amplification rate and allele drop-out (ADO) rate of multiplex fluorescent polymerase chain reaction (PCR) followed by fragment analysis or sequencing using single lymphocytes. We performed six cycles of PGD for CMT1A and one cycle for CMT2F. RESULTS: Two duplex and two triplex protocols were developed according to the available markers for each CMT1A couple. Depending on the PCR protocols, the amplification rates and ADO rates ranged from 90.0% to 98.3% and 0.0% to 11.1%, respectively. For CMT2F, the amplification rates and ADO rates were 93.3% and 4.8%, respectively. In case of CMT1A, 60 out of 63 embryos (95.2%) were diagnosed and 13 out of 21 unaffected embryos were transferred in five cycles. Two pregnancies were achieved and three babies were delivered without any complications. In the case of CMT2F, a total of eight embryos were analyzed and diagnosed. Seven embryos were diagnosed as unaffected and four embryos were transferred, resulting in a twin pregnancy. Two healthy babies were delivered. CONCLUSION: This is the first report of successful pregnancy and delivery after specific PGD for CMT disease in Korea. Our PGD procedure could provide healthy babies to couples with a high risk of transmitting genetic diseases.
Alleles ; Charcot-Marie-Tooth Disease* ; Embryonic Structures ; Family Characteristics ; Korea ; Lymphocytes ; Polymerase Chain Reaction ; Pregnancy ; Pregnancy, Twin ; Preimplantation Diagnosis* ; Prevalence ; Prostaglandins D ; Reproductive Techniques, Assisted

Prevalence of erosive esophagitis (EE) has been increasing in Korea. The purpose of this study was to estimate prevalence of EE among low socioeconomic population in Korea and to investigate risk factors for EE. We reviewed the medical records of 7,278 subjects who were examined by upper endoscopy in the Korean National Cancer Screening Program at Chung-Ang University Yong-san Hospital from March 2003 to March 2008. The study population included subjects > or = 40 yr of age who were Medicaid recipients and beneficiaries in the National Health Insurance Corporation. Multivariate analysis was used to determine risk factors for EE. Prevalence of EE was 6.7% (486/7,278). According to the LA classification system, LA-A in 344 subjects, LA-B in 135 subjects, and LA-C and D in 7 subjects. In multivariate analysis, age > or = 60 yr, male sex, BMI > or = 25, current smoking, alcohol consumption, fasting glucose level > or = 126 mg/dL, and endoscopic hiatal hernia were significant risk factors for EE. The prevalence of EE in low socioeconomic Korean population is similar to that in personal annual medical check-ups. Risk factors for EE among them include old age, male sex, BMI > or = 25, current smoking, alcohol consumption, fasting glucose level > or = 126 mg/dL, and hiatal hernia.
Adult ; Aged ; Aged, 80 and over ; Early Detection of Cancer ; Endoscopy, Digestive System ; Esophagitis/*epidemiology/pathology ; Female ; Humans ; Male ; Middle Aged ; Multivariate Analysis ; Prevalence ; Republic of Korea/epidemiology ; Retrospective Studies ; Risk Factors ; Socioeconomic Factors

It is essential during extracorporeal membrane oxygenation (ECMO) to extend the activated clotting time (ACT) using anticoagulants to prevent blood clot formation. Traditionally, heparin has been used as an anticoagulant during ECMO. Hemorrhaging due to systemic heparinization is considered a major complication of ECMO. A 48-year-old man was admitted due to cardiogenic shock with acute myocardial infarction. ECMO was instituted because of recurrent ventricular tachycardia and refractory shock. We used nafamostat mesilate (Futhan) as an anticoagulant to reduce hemorrhagic complications. The total bypass time was 153 h. The average dose of nafamostat mesilate was 2.64+/-1.11 mg/kg/h; the average ACT was 128.68+/-21.24 seconds. Only a few units were transfused, and there was no oxygenator failure or hemorrhagic complications. Thus, nafamostat mesilate may reduce the need for transfusions and hemorrhagic complications during ECMO.
Anticoagulants ; Extracorporeal Membrane Oxygenation ; Guanidines ; Hemorrhage ; Heparin ; Humans ; Mesylates ; Middle Aged ; Myocardial Infarction ; Oxygen ; Oxygenators ; Shock ; Shock, Cardiogenic ; Tachycardia, Ventricular

PURPOSE: To report a case of a primary conjunctival epithelial cyst in the orbit. CASE SUMMARY: A 60-year-old woman was referred for evaluation of proptosis of the left eye, which had developed about 2 years earlier. Upon initial examination, a movable mass was palpated in the medial aspect of the left orbit. Magnetic resonance imaging of the orbit showed a 2.5 cm-sized, ovoid, cystic mass located between the left eyeball and the medial wall of the orbit. Excisional biopsy of the orbital mass was performed. The orbital mass was a well-circumscribed cystic lesion, adherent to the medial rectus muscle. Histological examination revealed that the cyst was lined with multiple layers of cuboidal epithelium with goblet cells. A diagnosis of primary conjunctival cyst was made. CONCLUSIONS: The possibility of primary conjunctival cyst should be considered in the differential diagnosis for an orbital cystic mass.
Biopsy ; Diagnosis, Differential ; Epithelium ; Exophthalmos ; Eye ; Female ; Goblet Cells ; Humans ; Magnetic Resonance Imaging ; Middle Aged ; Muscles ; Orbit