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1.
Tuberculosis and Respiratory Diseases ; : 33-46, 2023.
Article in English | WPRIM | ID: wpr-968842

ABSTRACT

Background@#Umeclidinium/vilanterol (UMEC/VI; ANORO ELLIPTA, GSK) is a commonly used dual bronchodilator. This study evaluated the safety and effectiveness of UMEC/VI in Korean patients with chronic obstructive pulmonary disease (COPD) over a 6-year period. @*Methods@#This was an open-label, multicentre, observational, post-marketing surveillance study. A total of 3,375 patients were enrolled consecutively in 52 hospitals, by 53 physicians, between July 2014 and July 2020. Patients who were administered UMEC/VI (fixed-dose 62.5 μg/25 μg) at least once and were monitored for safety and effectiveness were included in the analysis. Incidence and severity of adverse events (AEs) reported after administrating at least one dose of UMEC/VI were monitored, including unexpected adverse events (UAEs) and adverse drug reactions (ADRs). Effectiveness of UMEC/VI after 24 weeks of administration was also assessed using physician’s evaluation (effective, ineffectiveo change, worsening, indeterminable) and lung function improvement. @*Results@#Of 3,375 patients, 3,086 were included in the safety assessment group (mean age±standard deviation: 69.76±8.80 years; 85.9% male [n=2,652]; 73.1% aged ≥65 years [n=2,255]). The overall incidence of AEs was 28.8% (n=890), of which 2.2% (n=67) were ADRs. Serious AEs and UAEs were reported in 181 (5.9%) and 665 (21.6%) patients, respectively, and two patients (<0.1%) reported unexpected severe ADR. Of the 903/3,086 patients analysed for effectiveness, most (82.8%, n=748) showed overall disease improvement after UMEC/VI treatment. @*Conclusion@#This study confirmed UMEC/VI administered to Korean patients according to the prescribing information was well-tolerated and can be considered an effective option for COPD treatment.

2.
Journal of the Korean Radiological Society ; : 903-913, 2021.
Article in English | WPRIM | ID: wpr-901314

ABSTRACT

Purpose@#To identify the imaging features indicative of sarcoid-like reactions in patients with intrathoracic lymphadenopathy after complete remission of malignancies. @*Materials and Methods@#This study enrolled five patients with histopathologically confirmed sarcoid-like reactions that developed after cancer remission. The clinical features and findings of CT and 18F-fluorodeoxyglucose (FDG) PET/CT were assessed. @*Results@#The underlying malignancies included breast, nasopharyngeal, colon, and endometrial cancer and lymphoma. The time intervals between complete remission of malignancy and the diagnosis of sarcoid-like reaction ranged from 6 to 78 months. CT findings of sarcoid-like reaction included bilateral hilar and mediastinal lymphadenopathies (n = 5), pulmonary nodules (1–15 mm) with peribronchovascular, fissural, or subpleural distribution, and interlobular interstitial thickening in the lungs (n = 4). 18F-FDG PET/CT revealed hypermetabolic uptake in the mediastinal and hilar lymph nodes and both lungs in the absence of extrathoracic uptake (n = 3). The sarcoid-like reactions resolved in all patients after corticosteroid treatment. @*Conclusion@#In patients with complete remission of malignancies, newly developed bilateral hilar and mediastinal lymphadenopathies with or without pulmonary nodules of perilymphatic distribution, in the absence of recurrence at the primary tumor site and extrathoracic metastasis, may suggest a sarcoid-like reaction. Such cases warrant histologic evaluation of the lymph nodes to prevent unnecessary systemic chemotherapy.

3.
Journal of the Korean Radiological Society ; : 903-913, 2021.
Article in English | WPRIM | ID: wpr-893610

ABSTRACT

Purpose@#To identify the imaging features indicative of sarcoid-like reactions in patients with intrathoracic lymphadenopathy after complete remission of malignancies. @*Materials and Methods@#This study enrolled five patients with histopathologically confirmed sarcoid-like reactions that developed after cancer remission. The clinical features and findings of CT and 18F-fluorodeoxyglucose (FDG) PET/CT were assessed. @*Results@#The underlying malignancies included breast, nasopharyngeal, colon, and endometrial cancer and lymphoma. The time intervals between complete remission of malignancy and the diagnosis of sarcoid-like reaction ranged from 6 to 78 months. CT findings of sarcoid-like reaction included bilateral hilar and mediastinal lymphadenopathies (n = 5), pulmonary nodules (1–15 mm) with peribronchovascular, fissural, or subpleural distribution, and interlobular interstitial thickening in the lungs (n = 4). 18F-FDG PET/CT revealed hypermetabolic uptake in the mediastinal and hilar lymph nodes and both lungs in the absence of extrathoracic uptake (n = 3). The sarcoid-like reactions resolved in all patients after corticosteroid treatment. @*Conclusion@#In patients with complete remission of malignancies, newly developed bilateral hilar and mediastinal lymphadenopathies with or without pulmonary nodules of perilymphatic distribution, in the absence of recurrence at the primary tumor site and extrathoracic metastasis, may suggest a sarcoid-like reaction. Such cases warrant histologic evaluation of the lymph nodes to prevent unnecessary systemic chemotherapy.

4.
Diabetes & Metabolism Journal ; : 897-907, 2020.
Article in English | WPRIM | ID: wpr-898024

ABSTRACT

Background@#This study aimed to determine the infection risk of coronavirus disease 2019 (COVID-19) in patients with diabetes (according to treatment method). @*Methods@#Claimed subjects to the Korean National Health Insurance claims database diagnosed with COVID-19 were included. Ten thousand sixty-nine patients with COVID-19 between January 28 and April 5, 2020, were included. Stratified random sampling of 1:5 was used to select the control group of COVID-19 patients. In total 50,587 subjects were selected as the control group. After deleting the missing values, 60,656 subjects were included. @*Results@#Adjusted odds ratio (OR) indicated that diabetic insulin users had a higher risk of COVID-19 than subjects without diabetes (OR, 1.25; 95% confidence interval [CI], 1.03 to 1.53; P=0.0278). In the subgroup analysis, infection risk was higher among diabetes male insulin users (OR, 1.42; 95% CI, 1.07 to 1.89), those between 40 and 59 years (OR, 1.66; 95% CI, 1.13 to 2.44). The infection risk was higher in diabetic insulin users with 2 to 4 years of morbidity (OR, 1.744; 95% CI, 1.003 to 3.044). @*Conclusion@#Some diabetic patients with certain conditions would be associated with a higher risk of acquiring COVID-19, highlighting their need for special attention. Efforts are warranted to ensure that diabetic patients have minimal exposure to the virus. It is important to establish proactive care and screening tests for diabetic patients suspected with COVID-19 for timely disease diagnosis and management.

5.
Diabetes & Metabolism Journal ; : 897-907, 2020.
Article in English | WPRIM | ID: wpr-890320

ABSTRACT

Background@#This study aimed to determine the infection risk of coronavirus disease 2019 (COVID-19) in patients with diabetes (according to treatment method). @*Methods@#Claimed subjects to the Korean National Health Insurance claims database diagnosed with COVID-19 were included. Ten thousand sixty-nine patients with COVID-19 between January 28 and April 5, 2020, were included. Stratified random sampling of 1:5 was used to select the control group of COVID-19 patients. In total 50,587 subjects were selected as the control group. After deleting the missing values, 60,656 subjects were included. @*Results@#Adjusted odds ratio (OR) indicated that diabetic insulin users had a higher risk of COVID-19 than subjects without diabetes (OR, 1.25; 95% confidence interval [CI], 1.03 to 1.53; P=0.0278). In the subgroup analysis, infection risk was higher among diabetes male insulin users (OR, 1.42; 95% CI, 1.07 to 1.89), those between 40 and 59 years (OR, 1.66; 95% CI, 1.13 to 2.44). The infection risk was higher in diabetic insulin users with 2 to 4 years of morbidity (OR, 1.744; 95% CI, 1.003 to 3.044). @*Conclusion@#Some diabetic patients with certain conditions would be associated with a higher risk of acquiring COVID-19, highlighting their need for special attention. Efforts are warranted to ensure that diabetic patients have minimal exposure to the virus. It is important to establish proactive care and screening tests for diabetic patients suspected with COVID-19 for timely disease diagnosis and management.

6.
Journal of the Korean Radiological Society ; : 274-282, 2019.
Article in English | WPRIM | ID: wpr-916772

ABSTRACT

PURPOSE@#To determine the clinical features, imaging findings and possible causes of pneumatosis intestinalis (PI) in thoracic disorder patients.@*MATERIALS AND METHODS@#From 2005 to 2017, Among 62 PI patients, four of PI related with thoracic disease (6%) were identified. Medical records were reviewed to determine the clinical presentation, laboratory findings and treatment at the time of presentation of PI. Two experienced chest radiologists reviewed all imaging studies and recorded specific findings for each patient.@*RESULTS@#The causative thoracic diseases for each four patient were severe asthma, emphysema and airway obstruction. The imaging appearance of PI, including the involved bowel segment and pattern of the air, were divided into two mesenteric vascular territories; three of our cases showed linear pattern of PI located in the ascending & proximal transverse colon and the fourth case (lung cancer) had bubbly and cystic PI in the distal transverse and descending colon. All of the remaining 3 patients, except one patient who had not been followed up, improved within 1 month by conservative treatment.@*CONCLUSION@#Thoracic disorder with obstructive lung disease may result in the development of benign PI. Such PI in thoracic disease patients has a similar linear and cystic appearance with ischemic bowel disease, but can nevertheless be managed by conservative treatment.

7.
Laboratory Medicine Online ; : 45-56, 2019.
Article in English | WPRIM | ID: wpr-760491

ABSTRACT

BACKGROUND: Extraction of cell-free DNA (cfDNA) is a key step for determining the quality of cfDNA-related molecular diagnostics. We evaluated the effect of sample containers and sample storage conditions on cfDNA extraction. METHODS: The cfDNA extraction using the MagMAX Cell-Free DNA Isolation Kit from five healthy controls and five lung cancer patients was evaluated according to the type of sample container and storage conditions: K2-EDTA container, <1, 6, 24, and 48 hr storage at 4℃ after immediate plasma separation; and Cell-Free DNA BCT container, <1, 3, 7, and 14 days stored at room temperature. Mutation analysis of EGFR exons 18–21 was performed. To assess the effect of a delay in centrifugation, EDTA whole blood samples from five healthy individuals were stored at 4℃ for 6, 12, and 24 hr before plasma separation. RESULTS: There was no significant difference in the amount and nucleic acid size of cfDNA in both controls and patients with cancer when EDTA plasma was stored at 4℃ up to 48 hr. The amount and size of cfDNA in the BCT container were not different up to 7 days; however, the 14-day sample showed an increase in cfDNA concentration due to genomic DNA contamination. EGFR mutations were detected on EDTA containers up to 48 hr and with BCT containers up to 14 days. When EDTA whole blood was stored at 4℃ and plasma separation was delayed, the cfDNA concentration increased from 24 hr. CONCLUSIONS: The cfDNA extraction was affected by the sample containers and storage conditions.


Subject(s)
Humans , Biopsy , Centrifugation , DNA Contamination , DNA , Edetic Acid , Exons , Lung Neoplasms , Pathology, Molecular , Plasma
8.
Allergy, Asthma & Immunology Research ; : 795-805, 2019.
Article in English | WPRIM | ID: wpr-762170

ABSTRACT

PURPOSE: Asthma is a common disease that is expensive and burdensome for patients. Inhaled corticosteroids (ICS) are the most important drugs for asthma treatment and are often prescribed long-term. However, the use of ICS has been reported to increase pneumonia, though this remains controversial. We evaluated whether the use of ICS increases the risk of pneumonia in asthmatic patients using the Health Insurance Review and Assessment Service (HIRA) database in Korea. METHODS: The Asthma Management Adequacy Assessment was performed by the HIRA in Korea. Patients with claimed insurance benefits for asthma disease codes and who were prescribed asthma medications more than 2 times were enrolled. Patient demographics, asthma medications, healthcare use, and complications were analyzed. RESULTS: The total number of asthma patients was 831,613. Patients using ICS were older and had more comorbidities than those not using ICS; they also visited outpatient clinics and emergency departments, and were more often hospitalized. Pneumonia and other complications occurred more often in patients using ICS, and they used more respiratory medications, except for theophylline. Multiple logistic regression analysis showed that ICS prescription was associated with pneumonia (odds ratio, 1.38; 95% confidence interval, 1.36-1.41). Age, sex, medical care, use of secondary and tertiary hospitals, and hospitalization due to asthma in the previous year were also associated with pneumonia. CONCLUSIONS: ICS use was associated with increasing pneumonia in asthmatic patients in Korea. Therefore, it is critical to acknowledge that the use of ICS may increase the risk of pneumonia and should be meticulously monitored in asthmatics.


Subject(s)
Humans , Adrenal Cortex Hormones , Ambulatory Care Facilities , Asthma , Comorbidity , Delivery of Health Care , Demography , Emergency Service, Hospital , Hospitalization , Insurance Benefits , Insurance, Health , Korea , Logistic Models , Pneumonia , Prescriptions , Steroids , Tertiary Care Centers , Theophylline
9.
Imaging Science in Dentistry ; : 127-129, 2018.
Article in English | WPRIM | ID: wpr-740370

ABSTRACT

Radiopacity in the maxillary sinus can be observed in various conditions, such as in the presence of lesions in the maxillary sinus or as a sequela of maxillary sinus surgery. This report describes the case of a 57-year-old female patient who had no previous history of surgical treatment or traumatic injury of the nose or maxillary sinus. Both maxillary sinuses were indistinguishable on panoramic radiography and showed signs of radiopacity. Computed tomography images revealed that the maxillary sinuses were filled with bony tissue and exhibited signs of sinus mucosal thickening. Biopsy results showed fragments of trabecular bone with fibrous tissue.


Subject(s)
Female , Humans , Middle Aged , Biopsy , Maxillary Sinus , Metaplasia , Nose , Ossification, Heterotopic , Osteogenesis , Radiography, Panoramic
10.
Tuberculosis and Respiratory Diseases ; : 289-298, 2018.
Article in English | WPRIM | ID: wpr-717912

ABSTRACT

BACKGROUND: Obstructive airway disease patients with increased variability of airflow and incompletely reversible airflow obstruction are often categorized as having asthma–chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS). ACOS is heterogeneous with two sub-phenotypes: asthma-ACOS and COPD-ACOS. The objective of this study was to determine the difference in risk of exacerbation between the two sub-phenotypes of ACOS. METHODS: A total of 223 patients exhibiting incompletely reversible airflow obstruction with increased variability (spirometrically defined ACOS) were enrolled. These patients were divided into asthma-ACOS and COPD-ACOS according to their physician's diagnosis and smoking history of 10 pack-years. Within-group comparisons were made for asthma-ACOS versus COPD-ACOS and light smokers versus heavy smokers. RESULTS: Compared to patients with COPD-ACOS, patients with asthma-ACOS experienced exacerbation more often despite their younger age, history of light smoking, and better lung function. While the light-smoking group showed better lung function, they made unscheduled outpatient clinic visits more frequently. On multivariate analysis, asthma-ACOS and poor inhaler compliance were significantly associated with more than two unscheduled clinic visits during the previous year. CONCLUSION: Spirometrically defined ACOS includes heterogeneous subgroups with different clinical features. Phenotyping of ACOS by physician's diagnosis could be significant in predicting future risk of exacerbation.


Subject(s)
Humans , Ambulatory Care , Ambulatory Care Facilities , Asthma , Compliance , Diagnosis , Lung , Lung Diseases, Obstructive , Multivariate Analysis , Nebulizers and Vaporizers , Phenotype , Pulmonary Disease, Chronic Obstructive , Smoke , Smoking
11.
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 151-155, 2018.
Article in English | WPRIM | ID: wpr-713390

ABSTRACT

Detection of nystagmus is an important diagnostic clue in patients with acute vertigo. Patients with peripheral disorders exhibit nystagmus with a constant direction whereas those with central disorders exhibit nystagmus with changes in direction with or without gaze fixation. Periodic alternating nystagmus (PAN) is a horizontal or horizontal-rotary jerk-type nystagmus that reverses its direction with time. PAN is typically observed in patients with central disorders, such as cerebellar or pontomedullary lesions, but it is also observed in patients with peripheral disorders, albeit rarely. Here we report a rare case of a 58-year-old patient with vertigo with PAN, which was initially suspected as a central disorder, but eventually diagnosed as a peripheral vestibular disorder. We investigated the characteristics and mechanisms of peripheral PAN in this case. The absence of central disorder symptoms, visual suppression of PAN, normal oculomotor findings, and transient persistence are important diagnostic clues for differentiating peripheral from central PAN.


Subject(s)
Humans , Middle Aged , Nystagmus, Pathologic , Vertigo , Vestibular Neuronitis
12.
Kidney Research and Clinical Practice ; : 89-93, 2018.
Article in English | WPRIM | ID: wpr-713363

ABSTRACT

This report describes the case of a hypertensive 51-year-old male with a 3-year history of peritoneal dialysis. We followed the patient through his diagnosis of severe obstructive sleep apnea (OSA) and treatment with continuous positive airway pressure (CPAP). Therapeutic use of CPAP led to the improvement of not only sleep-related problems, but also cognitive function and quality of life. To our knowledge, this is the first paper describing the benefits of long-term CPAP treatment in an OSA patient undergoing dialysis. This case report emphasizes the need for the proactive diagnosis and treatment of OSA in end-stage renal disease patients to improve patient-centered healthcare.


Subject(s)
Humans , Male , Middle Aged , Cognition , Continuous Positive Airway Pressure , Delivery of Health Care , Diagnosis , Dialysis , Kidney Failure, Chronic , Peritoneal Dialysis , Quality of Life , Sleep Apnea, Obstructive
13.
Journal of Korean Medical Science ; : e56-2018.
Article in English | WPRIM | ID: wpr-764897

ABSTRACT

BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a debilitating lung disease. To date, a large number of clinical studies have been conducted to investigate the association between genetic variations and COPD. However, little is known regarding the genetic susceptibility of Koreans to this disease. MER receptor tyrosine kinase (MERTK) plays important roles in the inhibition of inflammation and in the clearance of apoptotic cells. Here, we investigated the association between genetic variations in MERTK and the development of COPD in Koreans. METHODS: We conducted genetic analysis of MERTK using genomic DNA samples from 87 patients with COPD and 88 healthy controls and compared the frequency of each variation or haplotype between the patient and control groups. Subsequently, the effect of each variation was evaluated using in vitro assays. RESULTS: Ten variations were identified in this study, four of them for the first time. In addition, we found that the frequency of each variation or haplotype was comparable between the patient and control groups. However, we observed that the frequency for the wild-type haplotype was higher in the control group, compared to that in the group of patients with COPD, in the subgroup analysis of current smokers, although the difference was not statistically significant (P = 0.080). In in vitro assays, we observed that none of the variations affected the activity of the promoter or the expression of MERTK. CONCLUSION: Our findings indicate that the susceptibility to COPD is not related to the genetic variations or haplotypes of MERTK in Koreans.


Subject(s)
Humans , DNA , Genetic Predisposition to Disease , Genetic Variation , Haplotypes , In Vitro Techniques , Inflammation , Lung Diseases , Protein-Tyrosine Kinases , Pulmonary Disease, Chronic Obstructive , Smoking
14.
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 381-389, 2017.
Article in Korean | WPRIM | ID: wpr-647765

ABSTRACT

BACKGROUND AND OBJECTIVES: Hearing disability has a negative impact on the psychological condition and the quality of life of patients, as well as their daily lives. This study tries to identify the relationship between personal perception of the national supporting system for hearing aids and the satisfaction of the supporting system on the part of users, suppliers and specialists. SUBJECTS AND METHOD: A total of seven questions were developed to identify factors that can affect the satisfaction of national supporting system for hearing aids. We surveyed hearing aids users, suppliers, and specialist; the final sample included 455 subjects. RESULTS: Determinants of satisfaction were adequacy of accepted durability of hearing aids, accessibility to relevant information, necessity of graded financial support by type of hearing aids, necessity of supporting repair cost and necessity of graded financial support by kind of disability rating. According to the results of multiple logistic regression analysis, subjects who answered that accepted durability of hearing aids [odd ratio (OR): 2.03, confidence interval (CI): 1.14-3.60] and accessibility to information (OR: 4.82, CI: 2.65-8.78) were proper showed tendency to be satisfied with support system for hearing aids. The subjects who answered that graded financial support by kind of hearing aids (OR: 1.98, CI: 1.10-3.59) and graded financial support by kind of disability rating (OR: 1.91 CI: 1.07-3.42) were necessary showed tendency to satisfy with support system for hearing aids. CONCLUSION: In order to enhance satisfaction in stakeholder perceptions of supporting system for hearing aids, the system needs provide users with better access to relevant information and help in the use and management of the hearing-aid device.


Subject(s)
Humans , Financial Support , Hearing Aids , Hearing Loss , Hearing , Insurance Coverage , Logistic Models , Methods , Quality of Life , Specialization
15.
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 497-503, 2017.
Article in Korean | WPRIM | ID: wpr-648863

ABSTRACT

BACKGROUND AND OBJECTIVES: Pediatric otitis media is closely related to upper respiratory illness and is one of the most common causes of hospital visiting and antibiotic prescription. Although there are many studies of asthma with other upper respiratory tract infections, few studies have investigated the relationship between asthma and otitis media. This study estimated whether pediatric otitis media is associated with the risk of asthma using the Korean National Health Insurance Service National Sample Cohort (NHIS-NSC 2002-2013) data. SUBJECTS AND METHOD: In using the NHIS-NSC 2002-2013 data, children diagnosed as otitis media or bronchial asthma in 2002 were excluded from children from 1 to 8 years old in 2003. The patients who were diagnosed and treated as otitis media (n=8506) and the comparison group (n=65886) were enrolled in 2003. During a 10-year follow-up period until December 2013, the incidence of asthma between two groups was analyzed and the result was adjusted for the impact of comorbidities such as atopic dermatitis, allergic rhinitis with multivariate linear regression analyses. RESULTS: In 2003, 20.88% of first-year-old children were treated with otitis media. The prevalence of otitis media was maintained at 15% until age 4 and decreased rapidly after 5 years of age. Asthma incidence was reported higher in patients with otitis media compared to the comparison group, with an adjusted odds ratio of 1.196 [95% confidence interval (CI) 1.127-1.269] followed by patients with atopic dermatitis [hazard ratio (HR) 1.261, 95% CI 1.196-1.33], allergic rhinitis (HR 1.473, 95% CI 1.409-1.54). CONCLUSION: Pediatric otitis media appeared to be associated with an increased risk of developing bronchial asthma after adjusting for other risk factors.


Subject(s)
Child , Humans , Asthma , Cohort Studies , Comorbidity , Dermatitis, Atopic , Follow-Up Studies , Incidence , Linear Models , Methods , National Health Programs , Odds Ratio , Otitis Media , Otitis , Prescriptions , Prevalence , Respiratory Tract Infections , Rhinitis, Allergic , Risk Factors
16.
Tuberculosis and Respiratory Diseases ; : 105-112, 2017.
Article in English | WPRIM | ID: wpr-169294

ABSTRACT

Spirometry is a physiological test for assessing the functional aspect of the lungs using an objective indicator to measure the maximum amount of air that a patient can inhale and exhale. Acceptable spirometry testing needs to be conducted three times by an acceptable and reproducible method for determining forced vital capacity (FVC). Until the results of three tests meet the criteria of reproducibility, the test should be repeated up to eight times. Interpretation of spirometry should be clear, concise, and informative. Additionally, spirometry should guarantee optimal quality prior to the interpreting spirometry results. Our guideline adopts a fixed normal predictive value instead of the lower limit of normal as the reference value because fixed value is more convenient and also accepts FVC instead of vital capacity (VC) because measurement of VC using a spirometer is impossible. The bronchodilator test is a method for measuring the changes in lung capacity after inhaling a short-acting β-agonist that dilates the airway. When an obstructive ventilatory defect is observed, this test helps to diagnose and evaluate asthma and chronic obstructive pulmonary disease by measuring reversibility with the use of an inhaled bronchodilator. A positive response to a bronchodilator is generally defined as an increase of ≥12% and ≥200 mL as an absolute value compared with a baseline in either forced expiratory volume at 1 second or FVC.


Subject(s)
Humans , Asthma , Bronchodilator Agents , Forced Expiratory Volume , Inhalation , Lung , Lung Volume Measurements , Methods , Pulmonary Disease, Chronic Obstructive , Reference Values , Spirometry , Vital Capacity
17.
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 353-360, 2016.
Article in Korean | WPRIM | ID: wpr-652304

ABSTRACT

BACKGROUND AND OBJECTIVES: Sudden sensorineural hearing loss (S-SNHL) occurs abruptly, developing rapidly within 3 days. The criteria for the diagnosis of S-SNHL are idiopathic hearing loss of at least 30 dB over at least three serial test frequencies. This study estimated whether S-SNHL increases the risk of stroke using Korean National Health Insurance Service National Sample Cohort (NHIS-NSC 2002-2013) data. SUBJECTS AND METHOD: Among NHIS-NSC 2002-2013, we excluded the patients diagnosed as S-SNHL or stroke in 2002. The patients who were diagnosed and treated as S-SNHL (n=2510) and the comparison group (n=12550) extracted using propensity score matching were enrolled. During an 11-year follow-up period until December 2013, the incidence of stroke among two groups was analyzed and the result was adjusted for the impact of comorbidities such as hypertension, diabetes, and chronic kidney disease with Cox proportional hazard regression. RESULTS: According to our data, 10.8% of S-SNHL patients (among 2510) and 7.8% of the comparison group (among 12550) had strokes. Stroke incidence was reported higher in patients with history of S-SNHL compared to the comparison group [hazard (HR), 1.15; 95% confidence interval (CI), 1.01-1.32] followed by patients with hypertension (HR, 2.51; 95% CI, 2.22-2.84), diabetes mellitus (HR, 1.62; 95% CI, 1.43-1.85). In terms of the type of strokes, S-SNHL increased the risk of ischemic stroke (HR, 1.18; 95% CI, 1.02-1.37). CONCLUSION: S-SNHL appeared to be associated with an increased risk of developing stroke after adjusting for other risk factors.


Subject(s)
Humans , Brain Ischemia , Cohort Studies , Comorbidity , Diabetes Mellitus , Diagnosis , Follow-Up Studies , Hearing Loss , Hearing Loss, Sensorineural , Hearing Loss, Sudden , Hypertension , Incidence , Intracranial Hemorrhages , Methods , National Health Programs , Propensity Score , Renal Insufficiency, Chronic , Risk Factors , Stroke
18.
Journal of Dental Anesthesia and Pain Medicine ; : 61-65, 2016.
Article in English | WPRIM | ID: wpr-79572

ABSTRACT

Intubation may lead to several dental complications. Furthermore, a tooth damaged during intubation may be subsequently dislocated. In the present case, the upper primary incisor was avulsed during intubation and, unbeknownst to the anesthesiologist, displaced to the larynx. We report here on the findings and indicate appropriate treatment. Intubation for general anesthesia in children can result in tooth damage and/or dislocation of primary teeth with subsequent root resorption. Prevention is key, and thus it is critical to evaluate the patient's dental status before and after intubation. Furthermore, anesthesiologists and dentists should pay close attention to this risk to prevent any avulsed, dislocated, or otherwise displaced teeth from remaining undetected and subsequently causing serious complications.


Subject(s)
Child , Humans , Anesthesia , Anesthesia, General , Dentists , Joint Dislocations , Hypopharynx , Incisor , Intubation , Intubation, Intratracheal , Larynx , Root Resorption , Tooth , Tooth Injuries , Tooth, Deciduous
19.
Tuberculosis and Respiratory Diseases ; : 46-46, 2016.
Article in English | WPRIM | ID: wpr-83854

ABSTRACT

No abstract available.


Subject(s)
Real-Time Polymerase Chain Reaction
20.
Journal of Dental Anesthesia and Pain Medicine ; : 141-145, 2016.
Article in English | WPRIM | ID: wpr-144514

ABSTRACT

Infection that progresses to deep areas of the neck requires appropriate assessment of the airway, and securing of the airway is critical in patients with deep neck infection. In the patient in our case report, bilateral pneumothorax occurred while performing tracheostomy to the airways of a patient with deep neck infection, and therefore, this paper details the method used to secure the airway of patients with deep neck infection.


Subject(s)
Humans , Methods , Neck , Pneumothorax , Tracheostomy
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