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김태범,김윤근,장윤석,김상훈,홍성철,지영구,조상헌,민경업,김유영 대한의학회 2006 Journal of Korean medical science Vol.21 No.2
It has been demonstrated that spider mites such as the two-spotted spider mite (Tetranychus urticae) are important allergens for fruit farmers. A total of 2,467 adults (795 metropolitan urban, 788 non-metropolitan urban, and 884 rural subjects) were enrolled. They responded to the questionnaire, and underwent methacholine bronchial provocation tests as well as skin prick tests to locally common aeroallergens including the two-spotted spider mite. The prevalences of asthma and rhinitis as reported on the questionnaire were 7.8% and 16.4% of adults aged 20-35, 9.4% and 24.7% of those 36-50, and 17.7% and 21.7% of those older than 50, respectively. Among the older group, the two-spotted spider mite was the most common sensitizing allergen, although it was second of that of house dust mites among the other two age groups. Sensitization to the two-spotted spider mite was significantly associated with the prevalence of asthma and rhinitis among the younger age group, and associated with the prevalence of rhinitis among the older age group. The twospotted spider mite might be a common sensitizing allergen in the general population of adults, and sensitization to this mite may play a role in the manifestation of asthma and rhinitis symptoms during adulthood.
김태범,김정식,정현철,이희조 에스케이텔레콤 (주) 2012 Telecommunications Review Vol.22 No.6
무선 통신을 기반으로 하는 스마트기기의 증가는근거리 무선 네트워크 사용에 영향을 미치고 있다.스마트 기기들은 공공장소에서 인터넷 뱅킹, 이메일, 소셜 네트워크 서비스등과 같은 다양한 서비스들을 제공받을 수 있다. 하지만, 무선 기술의 발전에도 무선의 근본적인 기술을 위협하는 중요한 문제들이 점점 증가하고 있다. 무선 보안 중 가장 위험한 행위로는 스푸핑된 무선 장비로써, 악성 장비가 주변의 정상 장비처럼 행동을 하여 정상 사용자들을 속이고 악성 행위를 숨기는 것을 의미한다. 이를 통해, 공격자는 정상 사용자의 민감한 정보를 가로채거나 변조할 수 있다. 본 논문에서는 무선 공격과 시나리오를 통해 무선 보안의 위험성을 보이고 악의적인 무선 장비 탐지의 필요성을 보인다.제안하는 탐지 방법은 비콘프레임 주기를 이용하여 스푸핑된 무선 장비와정상 장비를 구분하는 방법이다. 실험 결과를 통해 제안하는 탐지 방법은 스푸핑된 무선 장비에 대해 90% 이상의 탐지율을 보임을 알 수 있었다.
Larger Testicular Volume Is Independently Associated with Favorable Indices of Lung Function
김태범,박이내 대한결핵및호흡기학회 2017 Tuberculosis and Respiratory Diseases Vol.80 No.4
Background: Men with chronic obstructive pulmonary disease, have reduced endogenous testosterone levels, but the relationship between pulmonary function and endogenous testosterone levels, is inconsistent. Testicular volume is a known indicator of endogenous testosterone levels, male fertility, and male potency. In the present study, the authors investigated the relationship, between testicular volume and lung function. Methods: One hundred and eighty-one South Korean men age 40–70, hospitalized for urological surgery, were retrospectively enrolled, irrespective of the presence of respiratory disease. Study subjects underwent pulmonary function testing, prior to procedures, and testicular volumes were measured by orchidometry. Testosterone levels of patients in blood samples collected between 7 AM and 11 AM, were measured by a direct chemiluminescent immunoassay. Results: The 181 study subjects were divided into two groups, by testicular volume (≥35 mL vs. <35 mL), the larger testes group, had better lung functions (forced vital capacity [FVC]: 3.87±0.65 L vs. 3.66±0.65 L, p=0.037; forced expiratory volume in 1 second [FEV1]: 2.92±0.57 L vs. 2.65±0.61 L, p=0.002; FVC % predicted: 98.2±15.2% vs. 93.8±13.1%, p=0.040; FEV1 % predicted: 105.4±19.5% vs. 95.9±21.2%, p=0.002). In addition, the proportion of patients with a FEV1/FVC of <70%, was lower in the larger testes group. Univariate analysis conducted using linear regression models, revealed that testicular volume was correlated with FVC (r=0.162, p=0.029), FEV1 (r=0.218, p=0.003), FEV1/FVC (r=0.149, p=0.046), and FEV1 % predicted (r=0.178, p=0.017), and multivariate analysis using linear regression models, revealed that testicular volume was a significant predictive factor for FEV1 % predicted (β =0.159, p=0.041). Conclusion: Larger testicular volume was independently associated, with favorable indices of lung function. These results suggest that androgens, may contribute to better lung function.
김태범,박호기,이광염,김계환,정한,윤상진 대한비뇨의학회 2010 Investigative and Clinical Urology Vol.51 No.3
Extracorporeal shock wave lithotripsy (ESWL) has revolutionized the management of urolithiasis since it was first introduced in 1980. ESWL is a well-established, safe and effective therapeutic alternative to surgical treatment for urolithiasis. Complications of ESWL do occur in a small number of patients, and when they do, they typically involve the kidney. We present a case of a young female patient who developed a huge hepatic subcapsular hematoma accompanied by hypovolemic shock after ESWL for a 9 mm stone in the right kidney. The hematoma measured 13x6 cm. Conservative care with no surgical intervention was chosen because there was no evidence of active bleeding on the computed tomography. After conservative therapy, the hematoma was gradually absorbed and the patient was discharged.
요오드화 조영제 과민반응 예측을 위한 사전 피부 시험의 유효성
김태범 대한의사협회 2020 대한의사협회지 Vol.63 No.3
Hypersensitivity reaction to iodinated contrast media (ICM) is a persistent clinical issue owing to widespread use of computed tomography (CT) examinations. The question of whether routine performance of skin tests can predict hypersensitivity reactions to contrast media remains unresolved. Recently, a prospective study was performed to evaluate the role of an intradermal skin test as a prescreening test for hypersensitivity reactions to ICM. Fifteen (0.5%) of the 2,843 patients had positive skin test results prior to scheduled CT scans. However, none of the patients experienced a hypersensitivity reaction after administration of full-dose ICM. Meanwhile, 19 patients who experienced hypersensitivity reactions to an ICM challenge showed negative skin test results. The sensitivity and positive predictive value of skin tests for hypersensitivity reaction to ICM were both 0%. More studies should be conducted to confirm the uselessness of prescreening skin tests. In conclusion, a prescreening intradermal skin test prior to a CT scan has no significant clinical value as a tool for predicting hypersensitivity reactions to ICM. Therefore, prescreening skin tests should not be routinely performed.
김태범,김계환,윤상진 대한배뇨장애요실금학회 2010 International Neurourology Journal Vol.14 No.1
Purpose: Benign prostatic hyperplasia is often accompanied by age-related comorbidity, such as erectile dysfunction (ED). Recent data suggest an association between ED and lower urinary tract symptoms (LUTS), and increasing evidence indicates that the clinical use of phosphodiesterase type 5 (PDE5) inhibitors provides relief from LUTS. The aim of the present study was to investigate the effects of tadalafil (20 mg once every 3 days for 12 weeks, p.o.) in men with moderate-to-severe ED and LUTS and to investigate the duration of the effects of tadalafil beyond treatment cessation. Metrials and Methods: Men with an International Index of Erectile Function-5 (IIEF-5) score of less than 11 (representing "moderate-to- severe" ED status) and with an International Prostate Symptom Score (IPSS) of more than 8 (representing "moderate-to-severe" LUTS status) were enrolled. IPSS (total score, storage subscore, and voiding subscore) and IIEF-5 scores before treatment (baseline), during treatment (weeks 4 and 12 after treatment commencement), and after treatment (weeks 16 and 20after treatment commencement) were compared. Results: IPSS and IIEF-5 scores were significantly different between baseline and week 12 after treatment commencement. Furthermore, these scores were significantly different between baseline and week 20 after treatment commencement. However, except for IIEF-5 scores, no significant differences were observed between week 12 and week 20. Conclusions: Treatment with 20 mg tadalafil (once every 3 days) had beneficial effects on LUTS and ED beyond treatment cessation in patients with moderate-to-severe ED and LUTS.