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Featured researches published by Myung Jae Jeon.


International Urogynecology Journal | 2002

Relationship between Stress Urinary Incontinence and Pelvic Organ Prolapse

Sang-Wook Bai; Myung Jae Jeon; Jinna Kim; Kyung Ah Chung; Soo-Byeong Kim; Ki-Sook Park

Abstract: We investigated the objective coexisting rate of stress urinary incontinence and pelvic organ prolapse, and also compared the treatment outcomes in patients who had both conditions, treated by a corrective operation on the basis of a precise preoperative evaluation. We reviewed 97 cases who underwent urodynamic studies and evaluation of the prolapse according to the Pelvic Organ Prolapse Quantification (POP-Q) system from among patients who were admitted for treatment of either stress urinary incontinence or pelvic organ prolapse. A Burch urethropexy, either alone or with a parvaginal repair, was done to correct the stress urinary incontinence, as well as additional operations to correct prolapse of stage II or more. The patients were evaluated postoperatively for the stress urinary incontinence and the degree of prolapse at every visit. Nineteen of 30 (63.3%) patients who were admitted with stress urinary incontinence had a coexisting pelvic organ prolapse, most often of the anterior wall. In 42 of 67 (62.7%) cases admitted with pelvic organ prolapse there was a coexisting stress urinary incontinence. A total of 61 patients who had both conditions were followed for 12 months postoperatively. The recurrence rate of stress urinary incontinence and prolapse (all of which were stage II) was 3.3% and 18.0%, respectively. It was noted that the greater the preoperative stage, the higher the recurrence rate (stage II 4.35%; stage III 25.0%; stage IV 33.6%). The coexisting rates of pelvic organ prolapse in patients having stress urinary incontinence, and stress urinary incontinence in patients having a pelvic organ prolapse, were both high. Therefore, when a preoperative evaluation that simultaneously considers both conditions and the correcting surgery is based on this evaluation, the recurrence rates of both conditions could be lowered.


Gynecologic Oncology | 2003

Pelvic leiomyomatosis with intracaval and intracardiac extension: a case report and review of the literature

M.i Suk Nam; Myung Jae Jeon; Young Tae Kim; Jae Wook Kim; K.i Hyun Park; Yoo Sun Hong

BACKGROUND Intravenous leiomyomatosis with intracaval and intracardiac extension has been rarely described in surgical, gynecological, and radiological literatures. Complete excision of the tumor is essential for a favorable outcome. Because of the uniqueness of this tumor having an absent or localized attachment site, its removal is feasible when assisted, prior to surgery, with appropriate imaging and planning. CASE The case was a 46-year-old woman, with intravenous leiomyomatosis originating from the uterus and extending to the inferior vena cava and right atrium, with extensive intracaval attachment, diagnosed from the various preoperative studies and operated successfully through the single-stage approach using cardiopulmonary bypass. CONCLUSION We present an unusual case of intravenous leiomyomatosis originating from the uterus and extending to the inferior vena cava and right atrium with extensive intracaval attachment. We include a brief review of the literatures.


International Journal of Gynecology & Obstetrics | 2007

Risk factors for pelvic organ prolapse

C.M. Kim; Myung Jae Jeon; Dawn Chung; Soo-Byeong Kim; J.W. Kim; Sang-Wook Bai

Objectives: To evaluate the risk factors for pelvic organ prolapse (POP) and to determine the relationship between these risk factors and stage or other components of POP. Methods: 244 patients with primary POP and 314 women without POP were included. Age, parity, smoking, body mass index (BMI), menopause, and hormone replacement therapy (HRT) were investigated. Result: Independent risk factors for POP included age over 70, parity higher than 3, and menopause. Age, parity, menopause, and HRT were significantly associated with stage of POP. Genital hiatus (GH) and perineal body (PB) showed a significant positive and negative correlation with age and parity, respectively. Menopause and HRT were also associated with them. Conclusion: Age, parity and menopause are possible risk factors of POP and associated with the lengths of GH and PB in POP women. Further, these risk factors and HRT are significantly correlated with the severity of the disease.


International Urogynecology Journal | 2007

Leiomyomas of the female urethra and bladder: a report of five cases and review of the literature

Sang Wook Bai; Hyun Joo Jung; Myung Jae Jeon; Da Jung Jung; Sei Kwang Kim; Jae Wook Kim

Through the experience of five cases of leiomyoma developed in the female bladder and urethra with a review of the literature, we have made an effort to characterize the association of symptom with the size and location of the tumor and demonstrate an appropriate treatment. The study population was composed of patients who underwent surgery for bladder or urethral leiomyoma in our hospital from March 1990 to April 2005. Their medical records were reviewed retrospectively concerning the symptom, size and location of leiomyoma, the result of cystoscope and radiological examination, surgical method, pathologic report, complications, and recurrence. Four cases were diagnosed as urethral leiomyoma and one case as bladder leiomyoma. All patients with urethral leiomyoma were admitted for the chief complaint of a palpable tumor. When the tumor size was small, if it was located on the lateral side of the urethra, it was asymptomatic, but if located in the midline, it presented irritative or obstructive symptom. When it was big, if located on the lateral side, it presented irritative rather than obstructive symptom, and if located in the midline, it presented obstructive symptom. One case of bladder leiomyoma was discovered incidentally during ultrasonic exam. In all five cases, surgical removal was performed and complications or recurrence were not detected afterwards. Bladder and urethral leiomyomas are very rare and cause diverse manifestations from asymptomatic to irritative or obstructive symptom. It is presumed that the location and size of the tumor are associated with symptom. Unless it is the case with severe hemorrhage or obstructive acute renal failure, immediate surgery is not required. However, it is desirable to distinguish leiomyoma from malignant or other benign tumors by surgical biopsy or removal.


Yonsei Medical Journal | 2008

Hormone-Dependent Aging Problems in Women

Byung Hwa Jung; Myung Jae Jeon; Sang Wook Bai

One of the major social issues nowadays is the aging society. Korea is already an aging society, and 63 cities and districts are ultra-aged societies where the rate of people older than 65 yr exceeds 20%. Among them, more than 67% are women. These statistics reveal the importance of healthcare for older women. Disease and disability of older women are very closely related to the loss of female sex hormones after menopause. Major hormone-dependent aging problems in women such as osteoporosis, Alzheimers disease (AD), urinary incontinence, and coronary atherosclerosis were surveyed in this review, and the key role of hormones in those diseases and hormone replacement therapy (HRT) were summarized. We expect that this review would provide some understanding of factors that must be considered to give optimal care to older women for healthy lives.


Gynecologic and Obstetric Investigation | 2008

Surgical Therapeutic Index of Tension-Free Vaginal Tape and Transobturator Tape for Stress Urinary Incontinence

Myung Jae Jeon; Da Jung Chung; Joo Hyun Park; Sei Kwang Kim; Jae Wook Kim; Sang Wook Bai

Background/Aims: The aim of this study was to obtain the surgical therapeutic index (STI) of tension-free vaginal tape (TVT) and transobturator tape (TOT) and compare it with the previously obtained result of Burch colposuspension. Methods: The study population consisted of 121 patients who were diagnosed as having stress urinary incontinence, underwent TVT or TOT between January 1, 2000 and June 30, 2005 and were followed up for at least 1 year. Patients with detrusor overactivity, urinary tract infection, intrinsic sphincter deficiency and pelvic organ prolapse more than stage II according to the POP-Q system were excluded. The cure and complication rates were investigated, and the STI (median percent cure rate/median percent complication rate) of each operation was calculated. Results: Of the 121 patients, 61 underwent TVT and 60 received TOT. Patient characteristics and the results of preoperative urodynamic studies showed no significant difference between the two groups. The STI of TOT (2.72, 4.08, 4.23, 5.29) was higher than that of Burch colposuspension (1.19, 2.27, 2.89, 3.53) and TVT (2.77, 3.69, 3.23, 3.17) irrespective of follow-up months (at 1, 3, 6, 12 months). Conclusion: TOT seems to be a more suitable surgical procedure for stress urinary incontinence with urethral hypermobility.


International Journal of Gynecology & Obstetrics | 2007

Surgical repair of anterior wall vaginal defects.

Sang-Wook Bai; Hyun Joo Jung; Myung Jae Jeon; Dawn Chung; Soo-Byeong Kim; J.W. Kim

Objective: To compare the clinical efficacy of 3 surgical procedures for central types of anterior vaginal wall defect. Methods: A total of 138 patients diagnosed with central types of anterior vaginal wall defect who underwent classic transvaginal repair (n = 72), transvaginal repair with polypropylene mesh (n = 28), and internal repair (n = 38) were followed up for at least 1 year. Results: There were no differences in development of fever, vaginal erosion, detrusor overactivity, and voiding difficulty among the 3 groups, but the incidence of postoperative urinary tract infections was significantly higher in the polypropylene mesh repair group. The difference in preoperative and postoperative hemoglobin levels and wound infection incidence were significantly higher in the internal repair group. Moreover, the recurrence rate of the anterior vaginal wall defect was significantly higher at 1 year in the internal repair group. Conclusion: Transvaginal surgical repair seems to be more efficacious than internal surgical repair for central types of anterior vaginal wall defects.


Gynecologic and Obstetric Investigation | 2008

Contents Vol. 66, 2008

Johan Verhaeghe; P.N. Adama van Scheltema; P.S. In’t Anker; A Vereecken; F.P.H.A. Vandenbussche; Jan Deprest; R. Devlieger; Rafael Bueno Orcy; Sabrina Schroeder; Sérgio Hofmeister Martins-Costa; José Geraldo Lopes Ramos; Wolfgang Schechinger; Harald H. Klein; Ilma Simoni Brum; Helena von Eye Corleta; Edison Capp; Juan Pablo Meza-Espinoza; Lilia Ortiz Anguiano; Horacio Rivera; Shizuo Machida; Shigeki Matsubara; Michitaka Ohwada; Manabu Ogoyama; Tomoyuki Kuwata; Takashi Watanabe; Akio Izumi; Mitsuaki Suzuki; Eui Jung; Chu Yeop Huh; Bong-Keun Choe

M.A. Belfort, Provo, Utah J. Bornstein, Nahariya H.L. Brown, Durham, N.C. C. Chapron, Paris P.G. Crosignani, Milan J. de Haan, Maastricht G.A. Dekker, Adelaide J.A. Deprest, Leuven K. Hecher, Hamburg S. Kahhale, São Paulo H. Kliman, New Haven, Conn. T.F. Kruger, Tygerberg J.A. Kuller, Raleigh, N.C. M.J. Kupferminc, Tel Aviv H. Minkoff , Brooklyn, N.Y. J. Moodley, Congella J.M. Mwenda, Nairobi H. Odendaal, Tygerberg J.T. Repke, Hershey, Pa. G.R. Saade, Galveston, Tex. Founded 1895 as ‘Monatsschrift für Geburtshilfe und Gynäkologie’, continued 1946–1969 as ‘Gynaecologia’ and 1970–1977 as ‘Gynecologic Investigation’


International Urogynecology Journal | 2007

Treatment outcome of tension-free vaginal tape in stress urinary incontinence: comparison of intrinsic sphincter deficiency and nonintrinsic sphincter deficiency patients.

Sang Wook Bai; Yeo Hwa Jung; Myung Jae Jeon; Da Jung Jung; Sei Kwang Kim; Jae Wook Kim


Journal of Reproductive Medicine | 2009

Preoperative maximum urethral closure pressure and valsalva leak point pressure as predictive parameters for midurethral sling.

Hyun Joo Jung; Ga Won Yim; Myung Jae Jeon; Sei Kwang Kim; Sang Wook Bai

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Johan Verhaeghe

Katholieke Universiteit Leuven

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