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( Jae Sun Uhm ),( Ho Joong Youn ),( Woo Baek Chung ),( Yun Seok Choi ),( Chul Soo Park ),( Yong Seog Oh ),( Wook Sung Chung ),( Kyung Il Park ),( Tae Suk Kim ) 대한내과학회 2012 The Korean Journal of Internal Medicine Vol.27 No.1
Background/Aims: This study elucidated the prognostic factors for neurocardiogenic syncope in males in their late teens and early twenties. Methods: Tilt-table testing (TTT) was performed on 665 males (age range, 17 to 27 years) following the Italian protocol. The subjects were tilted head-up at a 70° angle on a table for 30 minutes during the passive phase. If the passive phase was negative, the subjects were given sublingual nitroglycerin and tilted to the same angle for 20 minutes during the drugprovocation phase. The subjects with positive results were followed without medication. We analyzed factors related to the recurrence rate of syncope. Results: Of 305 subjects (45.8%) with positive results, 223 (age range, 18 to 26 years) were followed for 12 months. The frequency of previous syncopal episodes ≥ 4 (p = 0.001) and a positive result during the passive phase (p = 0.022) were significantly related to a high recurrence rate. A positive result during the early passive phase (≤ 12 minutes) was significantly related to a higher recurrence rate than was that during the late passive phase (> 12 minutes; p = 0.011). Conclusions: A positive result during the early passive phase of TTT and frequent previous syncopal episodes were prognostic factors for neurocardiogenic syncope in men in their late teens and early twenties.
Uhm, Jae-Sun,Choi, Jong-Il,Baek, Yong Soo,Yu, Hee Tae,Yang, Pil-Sung,Kim, Yun Gi,Oh, Suk-Kyu,Park, Hee-Soon,Lee, Kwang No,Kim, Tae-Hoon,Shim, Jaemin,Joung, Boyoung,Pak, Hui-Nam,Lee, Moon-Hyoung,Kim, Y Elsevier 2018 Heart rhythm Vol.15 No.11
<P><B>Background</B></P> <P>The electrophysiological features and roles of persistent left superior vena cava (PLSVC) in supraventricular tachycardia (SVT) are not known.</P> <P><B>Objective</B></P> <P>The purpose of this study was to elucidate the electrophysiological features and roles of PLSVC in patients with SVT.</P> <P><B>Methods</B></P> <P>We included 37 patients with PLSVC (mean age 43.5 ± 17.1 years; 35.1% men) and 510 patients without PLSVC (mean age 43.9 ± 18.8 years; 48.2% men) who underwent an electrophysiology study for SVT. The number of induced tachycardias, location of the slow pathway (SP) or accessory pathway (AP), and radiofrequency catheter ablation (RFCA) outcomes were compared between patients with and without PLSVC. During RFCA of the left AP, a coronary sinus (CS) catheter was placed into the left superior vena cava (left superior vena cava group) or the great cardiac vein (great cardiac vein group). The RFCA outcomes were compared between the groups.</P> <P><B>Results</B></P> <P>In patients with PLSVC, 40 tachycardias were induced: atrioventricular nodal reentrant tachycardia (AVNRT) (n = 19), atrioventricular reentrant tachycardia (n = 17), and focal atrial tachycardia (n = 4). Among patients with AVNRT, an SP in the CS was significantly more frequent in patients with PLSVC than in those without PLSVC (47.4% vs 3.8%; <I>P</I> < .001). In patients with the left AP, the number of RFCA attempts and recurrence were lower in the great cardiac vein group than in the left superior vena cava group.</P> <P><B>Conclusion</B></P> <P>An SP in the CS is prevalent in patients with AVNRT and PLSVC. It is useful to place a CS catheter into the great cardiac vein in patients with a left AP and PLSVC.</P>
Uhm, Jae-Sun,Youn, Ho-Joong,Chung, Woo-Baek,Choi, Yun-Seok,Park, Chul-Soo,Oh, Yong-Seog,Chung, Wook-Sung,Park, Kyung-Il,Kim, Tae-Suk The Korean Association of Internal Medicine 2012 The Korean Journal of Internal Medicine Vol.27 No.1
<P><B>Background/Aims</B></P><P>This study elucidated the prognostic factors for neurocardiogenic syncope in males in their late teens and early twenties.</P><P><B>Methods</B></P><P>Tilt-table testing (TTT) was performed on 665 males (age range, 17 to 27 years) following the Italian protocol. The subjects were tilted head-up at a 70° angle on a table for 30 minutes during the passive phase. If the passive phase was negative, the subjects were given sublingual nitroglycerin and tilted to the same angle for 20 minutes during the drug-provocation phase. The subjects with positive results were followed without medication. We analyzed factors related to the recurrence rate of syncope.</P><P><B>Results</B></P><P>Of 305 subjects (45.8%) with positive results, 223 (age range, 18 to 26 years) were followed for 12 months. The frequency of previous syncopal episodes ≥ 4 (<I>p</I> = 0.001) and a positive result during the passive phase (<I>p</I> = 0.022) were significantly related to a high recurrence rate. A positive result during the early passive phase (≤ 12 minutes) was significantly related to a higher recurrence rate than was that during the late passive phase (> 12 minutes; <I>p</I> = 0.011).</P><P><B>Conclusions</B></P><P>A positive result during the early passive phase of TTT and frequent previous syncopal episodes were prognostic factors for neurocardiogenic syncope in men in their late teens and early twenties.</P>
Uhm, Jae-Sun,Jung, Hae-Ok,Kim, Chan-Joon,Kim, Tae-Hoon,Youn, Ho-Joong,Baek, Sang Hong,Chung, Wook-Sung,Seung, Ki Bae The Korean Academy of Medical Sciences 2012 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.27 No.11
<P>This study was performed to compare clinical and imaging parameters and prognosis of unprovoked pulmonary embolism (PE), provoked PE with reversible risk factors (provoked-rRF), and provoked PE with irreversible risk factors (provoked-iRF) in Koreans. Three hundred consecutive patients (mean age, 63.6 ± 15.0 yr; 42.8% male) diagnosed with acute PE were included. The patients were classified into 3 groups; unprovoked PE, provoked-rRF, and provoked-iRF; 43.7%, 14.7%, and 41.7%, respectively. We followed up the patients for 25.4 ± 33.7 months. Composite endpoint was all-cause mortality and recurrent PE. The provoked-iRF group had significantly higher all-cause mortality, mortality from PE and recurrent PE than the unprovoked and provoked-rRF groups (<I>P</I> < 0.001, <I>P</I> < 0.001, and <I>P</I> = 0.034, respectively). Prognostic factors of composite endpoint in the unprovoked group were high creatinine (> 1.2 mg/dL; <I>P</I> < 0.001; hazard ratio [HR], 4.735; 95% confidence interval [CI], 1.845-12.152), C-reactive protein (CRP; > 5 mg/L; <I>P</I> = 0.002; HR, 5.308; 95% CI, 1.824-15.447) and computed tomography (CT) obstruction index (<I>P</I> = 0.034; HR, 1.090; 95% CI, 1.006-1.181). In conclusion, provoked-iRF has a poorer prognosis than unprovoked PE and provoked-rRF. Renal insufficiency, high CRP, and CT obstruction index are poor prognostic factors in unprovoked PE.</P>
Uhm, Jae-Sun,Oh, Byoung-Sun,Lee, Seung-Hwan,Kim, Sang-Il,Kim, Yang-Ree,Park, Yeon-Joon,Kang, Moon-Won 대한감염학회 2005 감염과 화학요법 Vol.37 No.2
Non-O1, non-O139 Vibrio cholerae usually causes gastroenteritis and bacteremia. It can also cause skin and soft tissue infection but the incidence is very rare. Patients who have been reported to have skin and soft tissue infection caused by non-O1, non-O139 V. cholerae had liver cirrhosis or chronic hepatitis. We present here a case of skin and soft tissue infection caused by non-O1, non- O139 V. cholerae in a patient with liver cirrhosis in Korea. After treatment of cefotaxime, doxycycline and debridement, the wound was clinically improved. This case suggests that non-O1, non-O139 V. cholerae infection should also be considered in addition to V. vulnificus infection when skin and soft tissue infections occurs in patients with liver cirrhosis, especially if they have had seawater or seafood exposure. Non-Ol, non-O139 Vibrio choleras는 위장관염 또는 균혈증을 발생시키고, 매우 드물게 피부 및 연부조직 감염을 일으킨다. Non-Ol, non-0139 V. cholerae에 의한 피부 및 연부조직 감염 환자는 대부분 간경변증 또는 만성 간염을 가지고 있는 것으로 보고되고 있다. 저자들은 간견병증 환자에서 해산물을 섭취한 후 발생한 non-Ol, non-O139 V. cholerae에 의한 피부 및 연부조직 감염의 증례를 보고하는 바이다. 환자의 경우 cefotaxime, doxycycline 등 항생제 투여와 괴사조직 제거술 후 회복되었다. 따라서 간경변증 환자에서 해산물 또는 바닷물에 노출된 후 발생한 피부 및 연부조직 감염의 경우 V. vulnificus에 의한 감염뿐만 아니라 non-Ol, non-O139 V. cholerae에 의한 감염도 고려해야 한다.