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하부요로증상의 회색지대에서 전립선 폐색 예측을 위한 잔뇨분수의 가치
구자현,이남규,박영호 순천향의학연구소 2000 Journal of Soonchunhyang Medical Science Vol.6 No.2
We determined whether residual fraction might be able to differentiate obstructive from no obstructive voiding dysfunction in gray zone of lower urinary tract symptom. A total of 47 patients (mean age plus or minus standard deviation 64.4 ± 7.1) with maximum flow rates between 10 and 15 ml. per second were received transurethral resection of the prostate and the duration of follow-up was ranged from 2 to 20 months (mean plus or minus standard deviation 9.7 ± 5.1). Uroflowmetry and post-void residual were measured before transurethral resection of the prostate during 2 studies. Residual fraction was defined as post-void residual divided by pre-micturition bladder volume multiplied by 100 and pre-micturition bladder volume was calculated by voided volume plus post-void residual. There was a significant correlation between the difference of pre-micturition bladder volume and that of post-void residual estimated during the first and second session (r = 0.736, p <0.001) and the intra-patient variation in residual fraction had significantly less than that in measurement of post-void residual (p <0.001). Residual fractions measured during the first and second session at baseline was inversely correlated with the increase in maximum flow rate, respectively (r = -0.401, p = 0.005, for the first session and r = -0.694, p <0.001, for the second session). Residual fraction can predict obstructive and no obstructive voiding dysfunction. Furthermore, It is simpler and less invasive than pressure-flow study and more reproducible than post-void residual measurement.
젊은 남성에서 성정체성에 대한 고환의 영향 : 지역 기반 조사 Community-Based Survey
구자현,김민의,이남규,박영호 순천향의학연구소 2002 Journal of Soonchunhyang Medical Science Vol.8 No.2
We investigated the influence of testis on the gender identity in late adolescent Korean males dwelling in a community. Of 27,202 men aged 20 years dwelling in the community, 2,700 men were randomly selected at a 10.0% sampling fraction. A total of 2,080 men who agreed to participate in the study and all volunteers underwent a standard evaluation. For the evaluation of influences of testis on the gender identity, we used the Bem Sex Role Inventory in the subjects who had testis torsion, testis injury of cryptorchidism as well as with no testicular disease. They were categorized as group 1; normal testis size, group 2; testis atrophy, and group 3; no testis in the scrotum. The median masculinity scores of group 1, 2 and 3 were not significantly different (group 1; 4.3 [3.65.0], group 2; 3.9 [3.1-4.5] and group 3; 4.6 [4.0-5.1], p=0.065). Regarding the femininity score, there were no differences among groups (group 1; 4.6 [4.0-5.1] versus group 2; 4.5 [3.9-4.8] and group 3; 4.6 [4.2-4.9], p=0.609). In group 3, the masculinity and femininity scores were not also different between of men underwent orchiectomy and did not undergo correction of cryptorchidism. We did not find the impact of testis on gender identity in our cohort. Additional research is needed to clarify the underlying psychopathology involved.
발기부전 검사에서 천연색 복합초음파촬영술과 야간음경발기검사의 일치도
송윤섭,구자현,김민의,이혜경,김두상,박영호,이남규 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.1
We intended to know that the result of color duplex ultrasonography corresponded to that nocturnal penile tumescence rigidity in the diagnosis of erctile dysfunction. We performed both color duplex ultrasonography and nocturnal penile tumescence rigidity in 15 erectile dysfunction men. Colr duplex ultrasonography was done with a 7 MHz. color Doppler unit after intracorporeal pharmacological injection and measured maximal arterail diameter, peak systolic velocity, end-diastolic velocity and the results were compared with rigidity and tumescence in nocturnal penile tumescence rigidity using RigiScan. The positive predictive value, negative predictive value, sensitivity, specificity, overall accuracy of color duplex ultrasonography was reasonable when the result of color duplex ultrasonography was compared with the that of nocturnal penile tumescence rigidity. According to this results, color duplex ultrasonography could not only predict but also correspond to nocturnal penile tumescence. Therefore, we suggest that color duplex ultrasonography can relpace nocturnal penile tumescence rigidity if psychogenic and neurogenic erectile dysfunction are distinguished by history and neurologic examination.
성인 음낭수종의 치료로서 Window Operation의 효용성
서병욱,박영호,이남규,전윤수,김민의,김영호,송윤섭,구자현 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.1
We intended to determine the usefulness of window operation for adult hydrocele repair. We reviewed medical records of 132 patients from January 1995 to June 1998 with primary hydrocele and evaluated complications and recurrence rates of eversion and/or excision, plication, and internal drainage technique. Recurrence rate was highest in internal drainage technique as 85.2%, and those of eversion and/or excision and plication technique were 1.3% and 4%, respectively. Complication rate was highest in eversion and/or excision technique, and lowest in internal drainage technique. Although complication rate was lowest in window operation, this operation could not be successful due to high recurrence, and we suggest that this operation should be abandoned for hydrocele repair.
박영호,송윤섭,임용순,김영호,이남규,구자현,서병욱,김민의,전윤수 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.2
Although ureteroscopy(URS) has been used widely to remove ureteral calculi, there is an argument against the belief that anesthesia or admission is needed for URS. We evaluated the experience of URS without anesthesia in female patients. From September 1997 to July 1998, URS was performed in 31 female patients without anesthesia. EHL(Electrohydraulic Lithotripsy) was used in 21 patients with impacted or large stone over 5mm. All patients were given oral antibiotics for 3 days and follow-up KUB was taken to confirm successful removal of the stone one week after the procedure. Successful treatment was defined as complete removal of the stone or residual fragments less than 2mm. Overall success rate was 96.7%(30 cases among 31 cases). All but one patient tolerated with analgesia through the entire procedures. There were only minimal complications such as mild flank pain and hematuria. So, we recommend that non-anesthetic ureteroscopic removal of stone as the first choice for treatment of lower ureteral stones in female based on the minimal morbidity, high success rate and low cost.
The Insect Pollinators of Cypripedium japonicum Thunb., the Endangered Orchid in South Korea
Jong Woo Nam,Ja Jung Ku,Ik Je Choi,Young Min Shin,Shin Young Park,Myung Ho Kim,Jung Hun Pee,Sung Won Son,IL-Kwon Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
Insect pollinators of the endanger orchid Cypripedium japonicum were surveyed and identified during two years, as a part of a conservation project of the orchid at Jukyeup-san and Hwaak-san (Mt.), South Korea. In total 40 individuals of 16 species in 4 families were identified. The dominant family was Halictidae, and Lasioglossum exiliceps Vachal visited the most frequently C. japonicum during the surveys. The average visiting frequency was 2.5 individuals per hour and the highest 4.3, from 12:00 – 13:00 in a day. After 15:00 insects did not visit the flowers at all. However, all of the visiting insects were found to not carry a pollinium or pollens of the orchard on their bodies; pollen carryover by any of the visiting insects did not occur at all. The orchid seems to require certain pollinators in particular body thickness due to its unique pollination mechanism. The orchid has two exit route openings, around 1 cm in diametre, where the entrapped insects can exit and an anther is situated just in front of each opening. It was inferred that a pollen carrier should be around 1 cm in body thickness. Therefore, the candidate species as the proper pollen carriers can be Tetralonia nipponensis Perez, Xylocopa appendiculata circumvolans Smith and Bombus consobrinus Dahlbom among the surveyed visitors.