Medizinische Universität Graz - Research portal
Selected Publication:
Frudinger, A; Halligan, S; Bartram, CI; Spencer, JA; Kamm, MA.
Changes in anal anatomy following vaginal delivery revealed by anal endosonography.
Br J Obstet Gynaecol. 1999; 106(3): 233-237.
Doi: 10.1111/j.1471-0528.1999.tb08236.x
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- Leading authors Med Uni Graz
- Frudinger Andrea
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- Abstract:
- OBJECTIVE: To investigate changes in anal canal anatomy following vaginal delivery in women without apparent sphincter injury. DESIGN: Prospective controlled observational study. Setting: District general hospital. POPULATION: Consecutive parous and nulliparous women attending a gynaecology outpatient clinic. METHODS: All women were examined using anal endosonography, and parous subjects without apparent sphincter injury compared with age-matched nulliparous controls to determine any differences in general anal canal morphology. MAIN OUTCOME MEASURES: Individual anal canal components were measured at defined levels and subjects compared with controls. RESULTS: Twenty-one of 54 parous women had no anal sphincter scar. Compared with nulliparous women, they had significant anterior sphincter thinning (mean 3.7 mm vs 4.6 mm, P< 0.01) in association with lateral external sphincter thickening (mean 7.0 mm vs 4.4 mm, P<0.01), and longitudinal muscle thickening (mean 2.8 mm vs 2.1 mm, P< 001). CONCLUSIONS: Specific changes in anal morphology have been demonstrated following vaginal delivery in women without apparent sphincter injury.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Anal Canal - anatomy and histology
- Case-Control Studies - anatomy and histology
- Delivery, Obstetric - anatomy and histology
- Endosonography - anatomy and histology
- Female - anatomy and histology
- Humans - anatomy and histology
- Middle Aged - anatomy and histology
- Parity - anatomy and histology
- Pregnancy - anatomy and histology
- Prospective Studies - anatomy and histology