• Title/Summary/Keyword: Defecography

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The Latest Trend of Dynamic MR Defecography for the Chronic Constipation Patient (만성 기능성 변비 환자에서 동적 MR Defecography의 최신동향)

  • Yoon, Seok-Hwan
    • Journal of radiological science and technology
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    • v.27 no.4
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    • pp.17-21
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    • 2004
  • With advancement of the medical imaging technology, the dynamic pelvic MRI (magnetic resonance imaging) has been introduced and used for dynamic MR defecography to improved diagnosis of the patients. At the early stage of its use, it was mostly used to diagnose enterocele or cystocele, then its use was extended to diagnose the organ prolapse and other dysfunctional pelvis organs. There now have been many reports of other diseases such as the functional constipation and others. This paper introduces the pelvis MRI and the dynamic MR defecography and reports the future trend in their clinical applications. Until recently, the studies with pelvic MRI were mostly focused on observing the movement of the pelvis in the supine position. Yang and 26 others reported good result in observing the patients with the pelvic organ prolapse by using the pubococcygeal line as the anatomical index. Using the fast gradient recalled acquisition (fast GRASS), they compared cystocoele, genitourinary prolapse, enterocoele and rectocoele with the control group. Kruyt et al. observed the posterior compartment and reported that MRI was more helpful than the fluoroscopy. Healy et al. applied the dynamic MRI test on the patients with constipation or incontinence as well as the control group without those symptoms. Since then, MRI technology has further advance by Lienemann, who was able to attain the more detailed images using the fast T2 weighted turbo spin echo technology, and others. If its limitation in diagnosing intussusception and the like, since the observation can be made only from the supine position, can be overcome with open MR or others, it is envisages that the method can eventually replace the radiological defecography.

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Laparoscopic Rectovaginal Septal Repair without Mesh for Anterior Rectocele

  • Kwak, Han Deok;Ju, Jae Kyun
    • Journal of Minimally Invasive Surgery
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    • v.21 no.4
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    • pp.177-179
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    • 2018
  • A rectocele with a weakened rectovaginal septum can be repaired with various surgical techniques. We performed laparoscopic posterior vaginal wall repair and rectovaginal septal reinforcement without mesh using a modified transperineal approach. A 63-year-old woman with outlet dysfunction constipation complained of lower pelvic pressure and sense of heaviness for 30 years. Initial defecography showed an anterior rectocele with a 45-mm anterior bulge and perineal descent. Laparoscopic procedures included peritoneal and rectovaginal septal dissection directed toward the perineal body, rectovaginal septal suturing, and peritoneal closure. The patient started a soft diet the following day and was discharged on the 5th postoperative day without any complications. The patient had no dyschezia or dyspareunia, and no problem with bowel function; 3-month follow-up defecography showed a decrease in bulging to 18 mm. Laparoscopic posterior vaginal wall and rectovaginal septal repair is safe and feasible for treatment of a rectocele, and enables early recovery.

Study on Gonad Dose and Utility according to Use of Filters During the Defecography (배변조영촬영에 있어 필터사용에 따른 생식선량 및 유용성에 관한 연구)

  • Jung, Hong-Ryang;Kim, Ki-Jung;Cho, Jung-Keun
    • The Journal of the Korea Contents Association
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    • v.9 no.5
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    • pp.206-213
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    • 2009
  • The study is to measure a variation of exposed dose on genital glands (ovary, testis) which are exposed to radiation during the defecography to diagnosis domain according to use of filters and to look into its utility. whose results are as follows: The measured values of dose were the left ovary 23.4mGy, the right ovary 7.5mGy, the testis 10.3mGy in case of not using filter at all, the left ovary 22.4mGy the right ovary 7.0mGy, the testis 9.5mGy in case of using an additional filter only, the left ovary 26.7mGy, the right ovary 8.4mGy, the testis 11.5mGy in case of using a defeco filter only and the left ovary 20.5mGy, the right ovary 6.2mGy, the testis 7.5mGy in case of using both an additional filter and a defeco filter, respectively. When comparing with the value in case of not using filter at all, the dose to the left ovary decreased by 10%, the dose to right ovary by 5% and the testis by 8% respectively in case of using an additional filter only. While the dose to the left ovary increased by 33%, the dose to right ovary by 9% and the testis by 12% respectively gonad a defeco filter only. And in case of using both an additional filter and a defeco filter, the dose to the left ovary decreased by 29%, the dose to right ovary by 13% and the testis by 28% respectively. In other words, the dose increased in case of using a defeco filter only while the dose decreased markedly on the rest conditions such as using an additional filter only, using a defeco filter only and using both an additional filter and a defeco filter.

Dyssynergic Defecation in Chronically Constipated Children in Korea

  • Sun Hwan Bae
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.26 no.2
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    • pp.127-133
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    • 2023
  • Purpose: Dyssynergic defecation (DSD) is one of the important causes of chronic constipation in children. We aimed to analyze the clinical features, diagnostic test results, and treatments for DSD in children. Methods: Children diagnosed with DSD using fluoroscopic defecography were enrolled in this study. Clinical data, including the results of colon transit time (CTT) test and biofeedback (BF) therapy, were collected from medical records retrospectively. Results: Nineteen children were enrolled. The median age was 9 years (6-18 years), the median frequency of bowel movement was 1/7 days (1-10 days), the median duration of constipation was 7.0 years (2-18 years), the median age of onset of constipation was 2.5 years (1-11 years). In the CTT test, outlet obstruction type was noted in 10/18 (55.6%), slow transit type in 5/18 (27.8%), and normal transit in 1/18 (5.6%). The median CTT was 52 hours (40-142 hours). Initial medical therapy was performed with the polyethylene glycol 4000, and the response was good in 9/19 (47.4%), fair in 9/19 (47.4%), and poor in 1/19 (5.0%). BF was performed in 8/19, with good results in 6/8 (75.0%) children and failure in 2/8 (25.0%) children. After long-term medical therapy (11/19), 3/5 showed good response with medication alone, 6/8 showed good response with BF and medication combined. Conclusion: DSD should be considered as a cause of chronic constipation in children, especially in those with abnormal CTT test results. BF combined with medical therapy is effective even with age-limited cooperation.

Study of Radiological Approach to Treat a Chronic Constipation (만성변비환자의 방사선학적 접근방법에 관한 고찰)

  • Yoon, Seok-Hwan
    • Journal of radiological science and technology
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    • v.27 no.3
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    • pp.5-12
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    • 2004
  • I. Introduction : The constipation is one of the common gastrointestinal symptoms seen in the clinical practice. When people come to the clinic complaining of the constipation, it is generally one of the cases of infrequent, painful or difficult evacuation as well as the hardened feces and unsatisfactory evacuation sense. Since the constipation is heavily influenced by dietary habit as well as the social and medical environment, the diagnostic radiology is useful to establish the objective and standardized definition in consideration of those various factors before diagnosis and treatment of the constipation patient. This paper describes the study of such diagnosis. II. Main Subject : Testing of CTT (colon transit time) is key study of the colon performance. CTT is very helpful in classifying the pathologic physiological types and defining the treatment plan for the chronic constipation. The study methods include using the radipaque marker, multiple marker technique and scintigraphic measurement. The defecography is the functional radiologic examination a that provides not only the anatomical information of anorectal but also performance of the pelvic floor and rectal change during evacuation. Study of dynamic movement of the anorectal during evacuation is helpful for diagnosis and treatment planning as well as follow-up testing for the constipation patient. One of the issues essential for the case history is the thorough observation of whether the patient shows the psychic psychological symptoms such as the behavior disorder or emotional disturbance. In that case, the decision must be made whether or which type of medication is needed for such psychiatric problem. III. Conclusion : The main causes of the constipation are insufficient intake of fiber or liquid. The key objective of such tests is to check etiology of the constipation. In general, the radiological examination does not provde the colon or anorectal performance information. It is envisaged that this study will provide the information to decide the testing and treatment plans and predict the prognosis of the patient by classifying the pathologic physiological types.

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Assessment of the Effectiveness of Biofeedback Therapy in Children with Pelvic Floor Dyssynergia (소아 골반저 근실조에서 바이오피드백 치료의 유용성)

  • Park, Kie-Young;Chang, Soo-Hee;Kim, Kyung-Mo
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.10 no.1
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    • pp.51-59
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    • 2007
  • Purpose: Recently well-developed anorectal function tests have revealed that there is an obvious pelvic floor dyssynergia (PFD) pattern in pediatric patients with constipation, as well as in adult's. The use of biofeedback therapy (BT) has been widely implemented in adult PFD patients; however, this approach has only rarely been considered for pediatric PFD patients. Therefore, we assessed the effectiveness of BT in children with PFD. Methods: We studied 70 children with PFD, who were referred to the department of pediatrics at the Asan Medical Center for the management of soiling or chronic constipation from September 2002 to February 2005. Diagnosis of PFD and assessment of the efficacy of BT for PFD treatment were carried out along with several ano-rectal function tests (cine-defecography, ano-rectal manometry, balloon expulsion test and intra-anal EMG); in addition, a questionnaire was administered. The BT based intra-anal EMG was performed. A follow-up telephone interview was performed more than 6 months later. Results: Most of the symptoms and results of the ano-rectal function tests were statistically improved after BT. In comparisons between the BT and control groups (BT refusal group due to poor compliance), the symptoms were statistically improved at follow-up. Therefore, for the shortterm improvement of symptoms, BT was better than conservative therapy alone. The negative feelings associated with ano-rectal function testing and BT were directly associated with failure or success of therapy. Conclusion: Pediatric patients with constipation or soiling that presented with an obvious PFD pattern showed that BT was a useful therapeutic tool for rapid improvement of symptoms.

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