No abstract available.

PURPOSE: To evaluate the clinical significance of T1 high signal intensity on the globus pallidus as a predictor of severe hepatic encephalopathy in patients with acute-on-chronic liver failure (ACLF), which is a distinct syndrome characterized by multi-organ dysfunction including cerebral failure. MATERIALS AND METHODS: From January 2002 to April 2014, we retrospectively reviewed the magnetic resonance imaging (MRI) findings and clinical and magnetic resonance (MR) features of 74 consecutive patients (44 men and 30 women; mean age, 59.5 years) with liver cirrhosis. The chronic liver failure-sequential organ failure assessment score was used to diagnose ACLF. The pallidal index (PI), calculated by dividing the mean signal intensity of the globus pallidus by that of the subcortical frontal white matter were compared according to ACLF. The PI was compared with the Model for End-Stage Liver Disease (MELD) score in predicting the development of ACLF. RESULTS: Fifteen patients who were diagnosed with ACLF had higher hepatic encephalopathy grades (initial, P = 0.024; follow-up, P = 0.002), MELD scores (P < 0.001), and PI (P = 0.048). In the ACLF group, the mean PI in patients with cerebral failure was significantly higher than that in the patients without cerebral failure (1.33 vs. 1.20, P = 0.039). In patients with ACLF, the area under the curve (AUC) for PI was 0.680 (95% confidence intervals [CI], 0.52–0.85), which was significantly lower than that for the MELD score (AUC, 0.88; 95% CI, 0.77–0.99) (P = 0.04). CONCLUSION: The PI can be an ancillary biomarker for predicting the development of ACLF and severe hepatic encephalopathy.
Acute-On-Chronic Liver Failure ; Female ; Follow-Up Studies ; Globus Pallidus ; Hepatic Encephalopathy* ; Humans ; Liver Cirrhosis ; Liver Diseases* ; Liver* ; Magnetic Resonance Imaging ; Male ; Retrospective Studies ; White Matter

PURPOSE: To evaluate the clinical significance of T1 high signal intensity on the globus pallidus as a predictor of severe hepatic encephalopathy in patients with acute-on-chronic liver failure (ACLF), which is a distinct syndrome characterized by multi-organ dysfunction including cerebral failure. MATERIALS AND METHODS: From January 2002 to April 2014, we retrospectively reviewed the magnetic resonance imaging (MRI) findings and clinical and magnetic resonance (MR) features of 74 consecutive patients (44 men and 30 women; mean age, 59.5 years) with liver cirrhosis. The chronic liver failure-sequential organ failure assessment score was used to diagnose ACLF. The pallidal index (PI), calculated by dividing the mean signal intensity of the globus pallidus by that of the subcortical frontal white matter were compared according to ACLF. The PI was compared with the Model for End-Stage Liver Disease (MELD) score in predicting the development of ACLF. RESULTS: Fifteen patients who were diagnosed with ACLF had higher hepatic encephalopathy grades (initial, P = 0.024; follow-up, P = 0.002), MELD scores (P < 0.001), and PI (P = 0.048). In the ACLF group, the mean PI in patients with cerebral failure was significantly higher than that in the patients without cerebral failure (1.33 vs. 1.20, P = 0.039). In patients with ACLF, the area under the curve (AUC) for PI was 0.680 (95% confidence intervals [CI], 0.52–0.85), which was significantly lower than that for the MELD score (AUC, 0.88; 95% CI, 0.77–0.99) (P = 0.04). CONCLUSION: The PI can be an ancillary biomarker for predicting the development of ACLF and severe hepatic encephalopathy.
Acute-On-Chronic Liver Failure ; Female ; Follow-Up Studies ; Globus Pallidus ; Hepatic Encephalopathy* ; Humans ; Liver Cirrhosis ; Liver Diseases* ; Liver* ; Magnetic Resonance Imaging ; Male ; Retrospective Studies ; White Matter

A 7-year-old boy, diagnosed with an arachnoid cyst and subdural effusion on initial MRI, was admitted with left limb weakness and no history of head trauma. A subsequent follow-up MRI showed different stages of hematoma within multilayered enhancing membranes and in the arachnoid cyst, which was separated by the cerebrospinal fluid cleft. Craniotomy and fenestration of the cyst wall and hematoma removal were performed. The patient was diagnosed as a having a hemorrhagic rupture of an arachnoid cyst into the intradural space, probably via some one-way valve-like defect, based on the MRI and surgical findings. The MRI features and possible mechanism of this rare disease are discussed within the literature review.
Arachnoid* ; Cerebrospinal Fluid ; Child ; Craniocerebral Trauma ; Craniotomy ; Dura Mater ; Extremities ; Follow-Up Studies ; Hematoma ; Hemorrhage ; Humans ; Lymphangioma, Cystic ; Magnetic Resonance Imaging ; Male ; Membranes ; Rare Diseases ; Rupture* ; Subdural Effusion

There have been many reports regarding complications associated with cardiopulmonary resuscitation(CPR) and it may be true that there are many unrevealed complications. Although it is used to say that 'any CPR is better than no CPR', inadvertent or inadequate CPR may insult in serious organ injury. This report describes a 64-year-old woman who suffered Mallory-Weiss tear resulting from inadvertent cardiopulmonary resuscitation by a bystander who had never been trained. Possible mechanisms of gastric injuries caused by CPR are suggested, and importance of adequate CPR training are emphasized in this report.
Cardiopulmonary Resuscitation* ; Female ; Humans ; Mallory-Weiss Syndrome* ; Middle Aged

BACKGROUND AND OBJECTIVES: Tinnitus is one of the most obscure otological pathologies. There is no universally proved treatment modality for tinnitus. Intratympanic lidocaine injection is one of the therapeutic trials. In this study, authors investigated the effects of intratympanically delivered lidocaine on the auditory system in humans. MATERIALS AND METHODS: Two percent of 0.25 cc lidocaine was delivered intratympanically to the affected ears in 5 normal hearing patients with unilateral tinnitus. We assessed auditory function by pure tone audiometry, tympanometry, tinnitus study, auditon evoked otoacoustic emissions, and ABR to observe possible druge Rects in the auditory system. In all five patients, saline was injected to the other intact ear for control purposes. RESULTS: Saline injection did not create significant changes in any of the measures. Intratympanic lidocaine injection did not make any differences between pre- and post-injection audiologic tests except otoacoustic emissions and tinnitus study. It suppressed otoacoustic emmisions and reduced loudness of tinnitus by 10 dB. Lidocaine injection did not cause any changes in latencies or amplitudes in the auditory brainstem response (ABR). CONCLUSION: These results suggest that intratympanically delivered lidocaine has an effect on the organ of Corti structures in human subjects without significantly affecting the auditory nerve or the central auditory pathways. Further investigations on the concentration and volume of intratympanically delivered lidocaine should be made in order to manage patients with tinnitus clinically.
Acoustic Impedance Tests ; Audiometry ; Auditory Pathways ; Cochlear Nerve ; Ear ; Evoked Potentials, Auditory, Brain Stem ; Hearing ; Humans ; Lidocaine* ; Organ of Corti ; Pathology ; Tinnitus* ; Tympanic Membrane

BACKGROUND: Health examinations are performed so that diseases can be identified and treated earlier. Several studies have evaluated the determinants of participation in health examinations including cancer screening, but few have evaluated the relationship between the size of the enterprise and their participation in Workers' General Health Examinations (WGHE). The aim of the present study was to estimate the association of WGHE participation with the size of the enterprise and the type of policyholder. METHODS: The eligible population from 2006 through 2013 was extracted from the National Health Insurance Service (NHIS) database. The population size ranged from 14–17 million. After adjustment for age and gender, multiple logistic regression analysis was performed to estimate the odds ratios of participating in the WGHE (by age group) based on the type of policyholder (reference: public officers) and the size of the enterprise (reference: enterprise size ≥300 employees), respectively. RESULTS: Workers employed at enterprises with <50 persons were less likely to participate in WGHEs than those employed at enterprises with ≥300 persons. After policyholders were stratified by type (non-office workers vs. public officers), a disparity in the WGHE participation rate was found between the different types of policyholders at enterprises with <50 employees (reference: those employed at enterprises with ≥300 employees); the odds ratios for subjects in their 40s and 50s were 0.2–0.3 for non-office workers vs. 0.8–2.0 for public officers. CONCLUSION: Workplace policyholders at small enterprises comprised a vulnerable group less likely to participate in WGHEs. Efforts should be made to raise the WGHE participation rate among the vulnerable employees belonging to small enterprises, as well as among their dependents.
Early Detection of Cancer ; Healthcare Disparities ; Humans ; Logistic Models ; Mass Screening ; National Health Programs ; Odds Ratio ; Population Density ; Socioeconomic Factors*

BACKGROUND: We examined the current status of specialized agencies for occupational health management (SAs) and their workforce. Furthermore, we aimed to clarify the current practice status of SA healthcare professionals and factors that influence their performance. METHODS: To examine the current SA workforce, we analyzed data from the 2014 Survey of Current Status of SA and their Workforce from the Ministry of Employment and Labor (MOEL). Furthermore, we mailed out an original questionnaire to SA professionals to determine their current health management status and factors that affect their performance. Data from the respondents (N = 384) were analyzed. RESULTS: In 2014, the workforce performing health management in SAs comprised 232 physicians, 507 nurses, and 312 occupational hygienists, with no significant regional differences in the distribution of physicians and nurses. According to the findings of the questionnaire, the average daily number of worker consultations by physicians and nurses was 22.8, while the average time taken for health management ranged from 74.3 to 104.3 min, depending on the size of the firm. Most of the respondents (41.5%) answered that they were following-up on more than 80% of individuals with illnesses. Among health management tasks, performance scores of “consultations for general diseases” and “consultations for lifestyle habits” were relatively high, whereas health promotion activities at workplaces were relatively low. There was a significant correlation between the utilization of general and special health examination results and task performance. CONCLUSION: Among health management tasks, follow-up management of individuals with illnesses and consultations for disease/lifestyle habits were relatively well performed, whereas health promotion activities at workplaces were not performed well. Among factors that positively influenced SA performance at workplaces, only the utilization of health examination results had significant effects. Therefore, to accomplish health management goals and perform effective health management at workplaces, there is a need to establish a comprehensive system of occupational health service outsourcing integrating health examinations and health management services. Furthermore, the current task system, which focuses on follow-up management, should be expanded to incorporate preventive and health promotion functions—the fundamental functions of occupational health services (OHS).
Cross-Sectional Studies* ; Delivery of Health Care ; Employment ; Follow-Up Studies ; Health Promotion ; Life Style ; Occupational Health Services ; Occupational Health* ; Outsourced Services ; Postal Service ; Referral and Consultation ; Surveys and Questionnaires ; Task Performance and Analysis ; Work Performance

OBJECTIVE: The objective of this study was to identify the prognostic factors of secondary cytoreductive surgery on survival in patients with recurrent epithelial ovarian cancer. METHODS: The medical records of all patients who underwent secondary cytoreductive surgery between May 2001 and October 2007 at the National Cancer Center, Korea were reviewed. Univariate and multivariate analyses were executed to evaluate the potential variables for overall survival. RESULTS: In total, 54 patients met the inclusion criteria. Optimal cytoreduction to <0.5 cm residual disease was achieved in 87% of patients who had received secondary cytoreductive surgery. Univariate analysis revealed that site of recurrence (median survival, 53 months for the largest tumors in the pelvis vs. 24 months for the largest tumors except for the pelvis; p=0.007), progression free survival (PFS) (median survival, 43 months for PFS> or =12 months vs. 24 months for PFS<12 months; p=0.036), and number of recurrence sites (median survival, 49 months for single recurred tumor vs 29 months for multiple recurred tumors; p=0.036) were significantly associated with overall survival. On multivariate analysis, prognostic factors that correlated with improved survival were site of recurrence (p=0.013), and PFS (p=0.043). CONCLUSION: In the author's analysis, a significant survival benefit was identified for the recurred largest tumors within the pelvis and PFS> or =12 months. Secondary cytoreductive surgery should be offered in selected patients and large prospective studies are needed to define the selection criteria for secondary cytoreductive surgery.
Disease-Free Survival ; Humans ; Korea ; Medical Records ; Multivariate Analysis ; Neoplasms, Glandular and Epithelial ; Ovarian Neoplasms ; Patient Selection ; Pelvis ; Recurrence

BACKGROUND: Administration of anticancer drugs may damage gastrointestinal epithelium, thereby increasing the permeability of the gastrointestinal mucosa. It is known that intestinal permeability test using 51Cr-EDTA is a useful test to assess the damage of intestine. The aim of this study was to evaluate intestinal permeability in patients who were treated with 5-fluorouracil (5-FU) based chemotherapy and to evaluate the relationship between the excretion of 51Cr-EDTA and the grading of mucositis. METHODS: Twenty eight patients who were treated with 5-FU based chemotherapy were chosen as study cases while 18 healthy volunteers as controls. Intestinal permeability was assessed by measurement of the urinary excretion of 51Cr-EDTA after oral challenge, and the National Cancer Institute common toxicity criteria were used for assessing oral mucositis. RESULTS: All except 3 patients in the chemotherapy group experienced grade 1~3 stomatitis. The median value of intestinal permeability test was significantly higher in the chemotherapy group than in control group (7.61%, range 2.10-22.92 vs 2.17%, range 1.16-2.76, respectively, p<0.001). The grading of oral mucositis did correlate with the urinary excretion of 51Cr-EDTA (p<0.001, r=0.867). CONCLUSIONS: The measurement of 51Cr-EDTA excretion after oral challenge may be a useful test for evaluating the intestinal permeability by chemotherapy induced intestinal mucosal damage. Testing of intestinal permeability using 51Cr-EDTA may be applicable to evaluate the effect of therapeutic trials in patients with chemotherapy induced mucositis.
Drug Therapy* ; Epithelium ; Fluorouracil* ; Healthy Volunteers ; Humans ; Intestines ; Mucositis* ; Mucous Membrane ; National Cancer Institute (U.S.) ; Permeability ; Stomatitis