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	题名	作者	年代	出处	被引量
1	Dynamic magnetic resonance defecography in 10 asymptomatic volunteers显示文摘AIM: Evaluation of the wide range of normal findings in asymptomatic women undergoing dynamic magnetic resonance (MR) defecography. METHODS: MR defecography of 10 healthy female volunteers (median age: 31 years) without previous pregnancies or history of surgery were evaluated. The rectum was filled with 180 mL gadolinium ultrasound gel mixture. MR defecography was performed in the supine position. The pelvic floor was visualized with a dynamic T2-weighted sagittal plane where all relevant pelvic floor organs were acquired during defecation. The volunteers were instructed to relax and then to perform straining maneuvers to empty the rectum. The pubococcygeal line (PCGL) was used as the line of reference. The movement of pelvic floor organs was measured as the vertical distance to this reference line. Data were recorded in the resting position as well as during the defecation process with maximal straining. Examinations were performed and evaluated by two experienced abdominal radiologists without knowledge of patient history. RESULTS: Average position of the anorectal junction was located at -5.3 mm at rest and -29.9 mm during straining. The anorectal angle widened significantly from 93° at rest to 109° during defecation. A rectocele was diagnosed in eight out of 10 volunteers showing an average diameter of 25.9 mm. The bladder base was located at a position of +23 mm at rest and descended to -8.1 mm during defecation in relation to the PCGL. The bladder base moved below the PCGL in six out of 10 volunteers, which was formally defined as a cystocele. The uterocervical junction was located at an average level of +43.1 mm at rest and at +7.9 mm during straining. The uterocervical junction of three volunteers fell below the PCGL; described formally as uterocervical prolapse. CONCLUSION: Based on the range of standard values in asymptomatic volunteers, MR defecography values for pathological changes have to be re-evaluated.	Andreas G Schreyer Christian Paetzel Alois Fürst Lena M Dendl Elisabeth Hutzel René Müller-Wille Philipp Wiggermann Stephan Schleder Christian Stroszczynski Patrick Hoffstetter	2012	World Journal of Gastroenterology2012，18，46：	7
2	Immunisation against PCV2 structural protein by DNA vaccination of mice显示文摘	Ren S K Annette M B Tine H F	2004	Vaccine2004，22，：	1
3	查看详情显示文摘	I Ren F M Wang X L Dong W J Bai L N		0，，：	1
4	Effects of counter ions of clay plate lets on the swelling behavior of nanocomposite gels 显示文摘	Ren H Zhu M F Haraguehi K	2012	Journal of Colloid and Interface Science2012，375，1：	1
5	Increased cadmium and lead uptake of a cadmium hyperaccumulator tomato by cadmium-resistant bacteria 显示文摘	HE L Y CHEN A J REN G D ZHANG Y F QIAN M SHENG X F	2009	Ecotoxicology and Environmental Safety2009，72，：	1
6	查看详情显示文摘	Ren F M Wang X L Chen L S Wang Y M		0，，：	1
7	Excellent performance of one-pot synthesized Cu-SSZ- 13 catalyst for the selective catalytic reduction of NOx with NH3显示文摘	Xie L J Liu F D Ren L M	2013	Environmental Science & Technology2013，48，1：	1
8	Exercise induces rapid Increases in GLUT4 expression, glucose transport capacity, and insulin-stimulated glycogen storage in muscle显示文摘	REN J M SEMENKOVICH C F GULVE E A	1994	J Biol Chem1994，269，14：	1
9	The Julia set of the random iteration of transcendental functions显示文摘	Zhou W M Ren F Y	1993	Chinese Science Bull1993，38，2：	1
10	A compact dualfrequency rectifying antenna with high-orders harmonicrejection 显示文摘	REN Y J FAROOQUI M F GHANG K	2007	IEEE Transaction on Antenna and Propagation2007，55，7：	1
11	Changes of chemical and nutrient composition of porcine blood during fermentation by A spergillus oryzae 显示文摘	J Z Wang M Zhang F Z Ren	2007	World Journal of Microbiology and Biotechnology2007，23，10：	1
12	查看详情显示文摘	Torben S Thomas M Kjartan F Sφren L F Christian P		0，，：	1
13	Preparation and photocatalysis of TiO2 - fluoropolyrner elec trospunfiber nanocomposites 显示文摘	He T S Zhou Z F Xu W B Ren F M Ma H H Wang J	2009	Polymer2009，50，13：	1
14	Changes of climate extrmes in China 显示文摘	Zhai P M Sun A J Ren F M	1999	Climatic Change1999，42，1：	1
15	The cause of endemic fluorosis in western Guizhou province, Southwest China显示文摘	Dai S F Ren D Y Ma S M	2004	Fuel2004，83，4：	1
16	Coadministration of the ampakine CX717 with propofol reduces respiratory depres- sion and fatal apneas显示文摘	REN J LENAL F YANG M	2013	Anesthesiology2013，118，6：	1
17	The phosphate transporter gene OsPhtl;8 isinvolved in phosphate homeostasis in rice 显示文摘	Jia H F Ren H G Gu M Zhao J N Sun S Zhang X Chen J Y Wu P Xu G H	2011	Plant Physiology2011，156，3：	1
18	Operating requirements of magnesium alloys in aeroengine airworthiness standrads显示文摘	Tang Z F Liu X K Ren G M	2014	Aeronautic Standization & Quality2014，，6：	1
19	An objective identification technique for regional extreme events 显示文摘	Ren F M Cui D L Gong Z Q	2012	Journal of Climate2012，25，：	1
20	Tension-tension fatigue behavior of unidirectional single-walled carbon nanotube reinforced epoxy composite显示文摘	Ren Y Li F Cheng H M	2003	Carbon2003，41，11：	1

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