Quantity and distribution of levator ani stretch during simulated vaginal childbirth

American Journal of Obstetrics and Gynecology

Volumn 199, Issue 2, 2008, Pages 198.e1-198.e5

  Hoyte, Lennox ^a,b   Damaser, Margot S ^c   Warfield, Simon K ^b   Chukkapalli, Giridhar ^d   Majumdar, Amitava ^d   Choi, Dong Ju ^d   Trivedi, Abhishek ^d   Krysl, Petr ^d  

^a BRIGHAM AND WOMEN S HOSPITAL   (United States)

^b HARVARD MEDICAL SCHOOL   (United States)

^c LERNER RESEARCH INSTITUTE   (United States)

^d UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

childbirth simulation; levator ani; pelvic magnetic resonance imaging

Indexed keywords

ADULT; ARTICLE; CASE REPORT; FEMALE; HUMAN; LEVATOR ANI MUSCLE; MUSCLE STRETCHING; NUCLEAR MAGNETIC RESONANCE; PELVIC ORGAN PROLAPSE; PRIORITY JOURNAL; SIMULATION; VAGINAL DELIVERY;

EID: 47949119276     PISSN: 00029378     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ajog.2008.04.027     Document Type: Article

References (18)

1. Thom D. Variation in estimates of urinary incontinence prevalence in the community: Effects of differences in definition, population characteristics, and study type. J Am Geriatr Soc 46 (1998) 473-480
2. Wilson L., Brown J.S., Shin G.P., Luc K.O., and Subak L.L. Annual direct cost of urinary incontinence. Obstet Gynecol 98 (2001) 398-406
3. Samuelsson E.C., Arne-Victor F.T., Tibbin G., and Svardsudd K.F. Signs of genital prolapse in a Swedish population of women 20 to 59 years of age and possible related factors. Am J Obstet Gynecol 180 (1999) 299-305
4. Wilcox L.S., Koonin L.M., Pokras R., Strauss L.T., Xia Z., and Peterson H.B. Hysterectomy in the United States, 1988-1990. Obstet Gynecol 83 (1994) 549-555
5. Subak L.L., Waetjen L.E., van den Eeden S., Thom D.H., Vittinghoff E., and Brown J.S. Cost of pelvic organ prolapse surgery in the United States. Obstet Gynecol 98 (2001) 646-651
6. Rortveit G., Daltveit A.K., Hannestad Y.S., and Hunskaar S. Urinary incontinence after vaginal delivery or cesarean section. N Engl J Med 348 (2003) 900-907
7. Snooks S.J., Swash M., Mathers S.E., and Henry M.M. Effect of vaginal delivery on the pelvic floor: A 5-year follow-up. Br J Surg 77 (1990) 1358-1360
8. DeLancey J.O., Kearney R., Chou Q., Speights S., and Binno S. The appearance of levator ani muscle abnormalities in magnetic resonance images after vaginal delivery. Obstet Gynecol 101 (2003) 46-53
9. Sze E.H.M., Kohli N., Miklos J.R., Roat T., and Karram M.M. Computed tomography comparison of bony pelvis dimensions between women with and without genital prolapse. Obstet Gynecol 93 (1999) 229-232
10. Handa V.L., Pannu H.K., Siddique S., Gutman R., VanRooyen J., and Cundiff G. Architectural differences in the bony pelvis of women with and without pelvic floor disorders. Obstet Gynecol 102 (2003) 1283-1290
11. Lien K.-C., Mooney B., DeLancey J.O.L., and Ashton-Miller J.A. Levator ani muscle stretch induced by simulated vaginal birth. Obstet Gynecol 103 (2004) 31-40
12. Gering D.T., Nabavi A., Kikinis R., et al. An integrated visualization system for surgical planning and guidance using image fusion and an open MR. J Magn Reson Imaging 13 (2001) 967-975
13. Hoyte L., Schierlitz L., Zou K., Flesh G., and Fielding J.R. Two and 3 dimensional MRI comparison of levator ani structure, volume and integrity in women with stress incontinence and prolapse. Am J Obstet Gynecol 185 (2001) 11-19
14. Popinet S. GNU Triangulated Surface Library. 2004. http://gts.sourceforge.net Accessed July 13, 2004
15. Krysl P., and Ortiz M. Extraction of boundary representation from surface triangulations. Int J Numer Methods Eng 50 (2001) 1737-1758
16. Krysl P., and Ortiz M. Delaunay approach to the generation of tetrahedral finite element meshes. Int J Numer Methods Eng 50 (2001) 1681-1700
17. Belytschko T., Krysl P., and Krongauz Y. A three-dimensional explicit element-free Galerkin method. Int J Numer Methods Fluids 24 (1997) 1253-1270
18. Blemker S.S., Pinsky P.M., and Delp S.L. A 3-D model of muscle reveals the causes of nonuniform strains in the biceps brachii. J Biomech 38 (2005) 657-665