1.Congenital Solitary Kidney Associated with Giant Hydronephrosis.
Heung Won PARK ; Banng Ock CHUN ; S H PARK ; P S KIM
Korean Journal of Urology 1968;9(4):227-230
A kidney containing more than 1000 cc fluid in its collecting system is generally defined hydronephrosis. A 23-years.old Korean soldier was diagnosed as having giant hydronephrosis (content: of 2000cc) associated with ureteropelvic stricture on urogram. It was improved with Foley-Y-Plasty.
Constriction, Pathologic
;
Humans
;
Hydronephrosis*
;
Kidney*
;
Military Personnel
2.Total Antioxidant Status in Maternal and Neonatal Plasma According to Delivery Type.
G SR LEE ; S J KIM ; S Y KIM ; J M KANG ; S Y HUR ; Y LEE ; J C SHIN ; E J KIM ; S K SONG ; S P KIM
Korean Journal of Obstetrics and Gynecology 1998;41(8):2067-2071
Antioxidants oppose the toxic actions of lipid peroxides and oxygen radicals, and they limit the amount of lipid peroxides formed. Women with normal pregnancies have an increase in oxidative stress and lipid peroxidation when compared with nonpregnant women. The antioxidants also increase progressively with advancing gestation, and the antioxidants in the fetus also increase with advancing gestation, especially during late gestation. The purpose of this study is to investigate the diefference of antioxidant status in maternal and neonatal plasma according to the delivery type. So, we investigated the status of antioxidant in the maternal and neonatal plasma when compared normal vaginal delivery with Cesarian section without labor. This study was done under the hypothesis that labor pain is originated from the hypoxic state of myometrium during uterine contraction. The number of women who were studied was total 56, 24 women were delivered by normal vaginal delivery and 32 women were done by Cesarean section without labor. The blood was sampled during active labor and postpartum 24 hour in the case of normal vaginal delivery, the women who were done Cesarean section being sampled before operation and 24 hours after operation. The neonatal blood was sampled from cord, birth 1 day and 3 day. The antioxidant levels were measured by Total Antioxidant Status (Randox Laboratory Ltd., UK) kit. The results were as follows. 1. The mean maternal plasma antioxidant status was not significantly different according to delivery types and not significantly different when compared antepartum with postpartum (vaginal delivery; antepartum: 1.54+/-0.31 mM/L, postpartum: 1.58+/-0.32 mM/L, Cesarean section; antepartum: 1.55+/-0.29 mM/L, postpartum: 1.56+/-0.33 mM/L). 2. The neonatal antioxidant status was not significantly different between the neonates who were born by vaginal delivery and the neonates who were born by Cesarean section. The neonatal plasma antioxidant status was increased progressively after birth (cord: birth 1 day: birth 3 day=1.46+/-0.25 mM/L: 1.59+/-0.25 mM/L: 1.79+/-0.37 mM/L). Therefore, labor pain was not seems to be significantly affect the maternal and neonatal plasma antioxidant status. And the neonatal antioxidant status was increased for adaptation to the external environment after birth.
Animals
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Antioxidants
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Cesarean Section
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Female
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Fetus
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Humans
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Infant, Newborn
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Labor Pain
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Lipid Peroxidation
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Lipid Peroxides
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Mice
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Myometrium
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Oxidative Stress
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Parturition
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Plasma*
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Postpartum Period
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Pregnancy
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Reactive Oxygen Species
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Toxic Actions
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Uterine Contraction
3.Cyclic fatigue resistance tests of Nickel-Titanium rotary files using simulated canal and weight loading conditions.
Ok In CHO ; Antheunis VERSLUIS ; Gary S P CHEUNG ; Jung Hong HA ; Bock HUR ; Hyeon Cheol KIM
Restorative Dentistry & Endodontics 2013;38(1):31-35
OBJECTIVES: This study compared the cyclic fatigue resistance of nickel-titanium (NiTi) files obtained in a conventional test using a simulated canal with a newly developed method that allows the application of constant fatigue load conditions. MATERIALS AND METHODS: ProFile and K3 files of #25/.06, #30/.06, and #40/.04 were selected. Two types of testing devices were built to test their fatigue performance. The first (conventional) device prescribed curvature inside a simulated canal (C-test), the second new device exerted a constant load (L-test) whilst allowing any resulting curvature. Ten new instruments of each size and brand were tested with each device. The files were rotated until fracture and the number of cycles to failure (NCF) was determined. The NCF were subjected to one-way ANOVA and Duncan's post-hoc test for each method. Spearman's rank correlation coefficient was computed to examine any association between methods. RESULTS: Spearman's rank correlation coefficient (rho = -0.905) showed a significant negative correlation between methods. Groups with significant difference after the L-test divided into 4 clusters, whilst the C-test gave just 2 clusters. From the L-test, considering the negative correlation of NCF, K3 gave a significantly lower fatigue resistance than ProFile as in the C-test. K3 #30/.06 showed a lower fatigue resistance than K3 #25/.06, which was not found by the C-test. Variation in fatigue test methodology resulted in different cyclic fatigue resistance rankings for various NiTi files. CONCLUSIONS: The new methodology standardized the load during fatigue testing, allowing determination fatigue behavior under constant load conditions.
Androsterone
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Fatigue
4.Smartphone Addiction in Japanese College Students: Usefulness of the Japanese Version of the Smartphone Addiction Scale as a Screening Tool for a New Form of Internet Addiction
Masaru TATENO ; Dai Jin KIM ; Alan R TEO ; Norbert SKOKAUSKAS ; Anthony P S GUERRERO ; Takahiro A KATO
Psychiatry Investigation 2019;16(2):115-120
OBJECTIVE:
Smartphone use is pervasive among youth in Japan, as with many other countries, and is associated with spending time online and on social media anywhere at any time. This study aimed to test a Japanese version of the Smartphone Addiction Scale-Short Version (SAS-SV) among Japanese college students.
METHODS:
The subjects of this study were 602 college students in Japan. The study questionnaire consisted of questions about demographics (age, gender etc.), possession of a smartphone, internet use [length of internet use on weekdays and weekend, favorite social networking service (SNS) etc.], Young’s Internet Addiction Test (IAT), and the Smartphone Addiction Scale-Short Version (SAS-SV) translated into Japanese.
RESULTS:
There was a total of 573 respondents (180 male, 393 female) who completed the questionnaire (mean 19.3±1.3 years). LINE was the most popular social media platform (52.0%) followed by Twitter (36.3%). The overall Internet Addiction Test (IAT) score was 45.3±13.2, with 4.5% classified as having severe addiction (IAT ≥70). The mean SAS-SV scores were 24.4±10.0 for males and 26.8±9.9 for females. Based on proposed cutoff scores, 22.8% of males and 28.0% of females screened positive for smartphone addiction. The total scores of the SAS-SV and the IAT was correlated significantly.
CONCLUSION
As the number of smartphone users becomes higher, problems related to smartphone use also become more serious. Our results suggest that the Japanese version of SAS-SV may assist in early detection of problematic use of smartphones.
5.Nephron-Sparing Surgery for Upper Urinary Tract Urothelial Carcinoma
Sung Han KIM ; Ilma S. SAVUL ; Seth P. LERNER
Journal of Urologic Oncology 2024;22(1):68-77
Radical nephroureterectomy (RNU) remains the gold standard for the surgical management of upper tract urothelial carcinoma (UTUC) from the ureterovesical junction to the renal pelvis. However, the removal of the ipsilateral intact kidney causes morbidity due to renal functional deterioration after RNU. Recently, the indications for nephron-sparing surgery (NSS) in UTUC have been expanded to preserve the intact kidney. Minimally invasive surgical approaches, including endourological, laparoscopic, and robotic-assisted techniques for segmental resection of the distal ureter with ureteral reimplantation have shown favorable oncological and clinical outcomes (for both noninvasive and invasive ureteral tumors). The established guidelines for UTUC have limited indications for NSS. Because of low tumor burden, stage Ta/T1 UTUC is considered the best indication for NSS. NSS requires close follow-up and managing the risk of recurrence in the preserved ipsilateral ureter and/or renal pelvis. To overcome these limitations, adjuvant administration of various immuno-chemotherapeutic agents is being explored to overcome the resistance to therapeutic cell death and evasion of immune destruction from current therapies with better prognostic outcomes. The aim is to reduce urothelial cancer recurrence improving the effectiveness of NSS and to achieve comparable outcomes to RNU in UTUC. In this review article, we have comprehensively discussed the different types of NSS in UTUC, the indications for NSS in the international guidelines, and oncological outcomes of each of the NSS techniques.
6.Nephron-Sparing Surgery for Upper Urinary Tract Urothelial Carcinoma
Sung Han KIM ; Ilma S. SAVUL ; Seth P. LERNER
Journal of Urologic Oncology 2024;22(1):68-77
Radical nephroureterectomy (RNU) remains the gold standard for the surgical management of upper tract urothelial carcinoma (UTUC) from the ureterovesical junction to the renal pelvis. However, the removal of the ipsilateral intact kidney causes morbidity due to renal functional deterioration after RNU. Recently, the indications for nephron-sparing surgery (NSS) in UTUC have been expanded to preserve the intact kidney. Minimally invasive surgical approaches, including endourological, laparoscopic, and robotic-assisted techniques for segmental resection of the distal ureter with ureteral reimplantation have shown favorable oncological and clinical outcomes (for both noninvasive and invasive ureteral tumors). The established guidelines for UTUC have limited indications for NSS. Because of low tumor burden, stage Ta/T1 UTUC is considered the best indication for NSS. NSS requires close follow-up and managing the risk of recurrence in the preserved ipsilateral ureter and/or renal pelvis. To overcome these limitations, adjuvant administration of various immuno-chemotherapeutic agents is being explored to overcome the resistance to therapeutic cell death and evasion of immune destruction from current therapies with better prognostic outcomes. The aim is to reduce urothelial cancer recurrence improving the effectiveness of NSS and to achieve comparable outcomes to RNU in UTUC. In this review article, we have comprehensively discussed the different types of NSS in UTUC, the indications for NSS in the international guidelines, and oncological outcomes of each of the NSS techniques.
7.Nephron-Sparing Surgery for Upper Urinary Tract Urothelial Carcinoma
Sung Han KIM ; Ilma S. SAVUL ; Seth P. LERNER
Journal of Urologic Oncology 2024;22(1):68-77
Radical nephroureterectomy (RNU) remains the gold standard for the surgical management of upper tract urothelial carcinoma (UTUC) from the ureterovesical junction to the renal pelvis. However, the removal of the ipsilateral intact kidney causes morbidity due to renal functional deterioration after RNU. Recently, the indications for nephron-sparing surgery (NSS) in UTUC have been expanded to preserve the intact kidney. Minimally invasive surgical approaches, including endourological, laparoscopic, and robotic-assisted techniques for segmental resection of the distal ureter with ureteral reimplantation have shown favorable oncological and clinical outcomes (for both noninvasive and invasive ureteral tumors). The established guidelines for UTUC have limited indications for NSS. Because of low tumor burden, stage Ta/T1 UTUC is considered the best indication for NSS. NSS requires close follow-up and managing the risk of recurrence in the preserved ipsilateral ureter and/or renal pelvis. To overcome these limitations, adjuvant administration of various immuno-chemotherapeutic agents is being explored to overcome the resistance to therapeutic cell death and evasion of immune destruction from current therapies with better prognostic outcomes. The aim is to reduce urothelial cancer recurrence improving the effectiveness of NSS and to achieve comparable outcomes to RNU in UTUC. In this review article, we have comprehensively discussed the different types of NSS in UTUC, the indications for NSS in the international guidelines, and oncological outcomes of each of the NSS techniques.
8.Nephron-Sparing Surgery for Upper Urinary Tract Urothelial Carcinoma
Sung Han KIM ; Ilma S. SAVUL ; Seth P. LERNER
Journal of Urologic Oncology 2024;22(1):68-77
Radical nephroureterectomy (RNU) remains the gold standard for the surgical management of upper tract urothelial carcinoma (UTUC) from the ureterovesical junction to the renal pelvis. However, the removal of the ipsilateral intact kidney causes morbidity due to renal functional deterioration after RNU. Recently, the indications for nephron-sparing surgery (NSS) in UTUC have been expanded to preserve the intact kidney. Minimally invasive surgical approaches, including endourological, laparoscopic, and robotic-assisted techniques for segmental resection of the distal ureter with ureteral reimplantation have shown favorable oncological and clinical outcomes (for both noninvasive and invasive ureteral tumors). The established guidelines for UTUC have limited indications for NSS. Because of low tumor burden, stage Ta/T1 UTUC is considered the best indication for NSS. NSS requires close follow-up and managing the risk of recurrence in the preserved ipsilateral ureter and/or renal pelvis. To overcome these limitations, adjuvant administration of various immuno-chemotherapeutic agents is being explored to overcome the resistance to therapeutic cell death and evasion of immune destruction from current therapies with better prognostic outcomes. The aim is to reduce urothelial cancer recurrence improving the effectiveness of NSS and to achieve comparable outcomes to RNU in UTUC. In this review article, we have comprehensively discussed the different types of NSS in UTUC, the indications for NSS in the international guidelines, and oncological outcomes of each of the NSS techniques.
9.A Clinical Study of Topical Minoxidil Therapy in Alopecia: Multicenter Trials.
Min Geol LEE ; Moon Soo YOON ; Jung Bock LEE ; Byung In RO ; Hyung Ok KIM ; Kyung Jae CHUNG ; Choong Rim HAW ; Kyu Suk LEE ; S N KIM ; S J SON ; J A KIM ; H J KIM ; H I KOOK ; H S SUNG ; Y P KIM ; C W IHM ; J K PARK ; K J KIM ; J H KIM
Korean Journal of Dermatology 1986;24(2):181-189
No abstract available.
Alopecia*
;
Minoxidil*
10.Clinical Study on Cesarean Hysterectomy.
Byung Soo KIM ; Duk Rhun PARK ; Hee Jin SONG ; Yong Bok YOON ; Jang Hyun LEE ; Sang Wook PARK ; J J LIM ; S H CHUN ; I H HWANG ; D P KIM
Korean Journal of Perinatology 1997;8(2):138-144
Cesarean hysterectomy is associated with high risks of severe blood loss, postoperative complication, and maternal morbidity. This study was undertaken to identify the risk factors of cesarean hysterectomy and to reduce the postoperative complications and maternal morbidity. There were 6,362 deliveries between January 1992 and December 1996 at department of obstetrics and gynecology, Inchon Christian Hospital. 1'he results of this study were as follows, 15 cases of cesarean hysterectomy were performed during this period. Cesarean hysterectomy was performed in 10 cases (0.32 %) among 3178 cesarean deliveries and in 5 cases (0.16 %) among 3184 vaginal deliveries. The incidence of cesarean hysterectomy was 0.24 % (15/6,362). The age of patients ranged from 24 to 38 years old. The maternal mortality and morbidity were 0 % (0/15) and 86.7% (13/15), respectively. Indications for cesarean hysterectomy were uterine atony (53.3 %), uterine myoma with pregnancy (20.0 %), placenta accreta and/or increta(20.0 %), and placenta previa (6.7 %) in orders. The associated risk factors of cesarean hysterectomy were prior cesarean delivery (46.7 %) and placenta previa (6.7 %). The postoperative complications were anemia (60.0%), febrile morbidity (13.3 %), paralytic ileus (6.7 %), and wound disruption (6.7 %). We concluded that risk factors of cesarean hysterectomy were cesarean delivery, prior cesarean delivery, uterine myoma with pregnancy, placenta accreta and/or increta, and placenta previa and that sufficient fresh blood and careful prenatal care were needed in risk group of postpartum bleeding.
Adult
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Anemia
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Gynecology
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Hemorrhage
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Humans
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Hysterectomy*
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Incheon
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Incidence
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Intestinal Pseudo-Obstruction
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Leiomyoma
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Maternal Mortality
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Obstetrics
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Placenta Accreta
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Placenta Previa
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Postoperative Complications
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Postoperative Hemorrhage
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Postpartum Period
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Pregnancy
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Prenatal Care
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Risk Factors
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Uterine Inertia
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Wounds and Injuries