Now showing items 1-12 of 12

    • Guzmán Rojas, Rodrigo; Salvesen, K. A.; Volloyhaug, I. (Wiley, 2018-05)
      Objectives To establish the prevalence of external (EAS) and internal (IAS) anal sphincter defects present 15-24years after childbirth according to mode of delivery, and their association with development of fecal incontinence ...
    • Guzmán Rojas, Rodrigo; Atan, I. Kamisan; Shek, K. L.; Dietz, H. P. (Wiley & Sons, 2015)
      Objectives To determine the prevalence of evidence of residual obstetric anal sphincter injury, to evaluate its association with anal incontinence (AI) and to establish minimal diagnostic criteria for significant (residual) ...
    • Caudwell-Hall, Jessica; Atan, Ixora Kamisan; Brown, Chris; Guzmán Rojas, Rodrigo; Langer, Susanne; Shek, Ka L.; Dietz, Hans P. (Wiley, 2018-06)
      IntroductionLevator trauma is a risk factor for the development of pelvic organ prolapse. We aimed to identify antenatal predictors for significant damage to the levator ani muscle during a first vaginal delivery. Material ...
    • Pérez Melendez, Patricio; Maino Menéndez, Mario; Guzmán Rojas, Rodrigo; Vaquero, A.; Köbrich Gruebler, Claus; Pokniak Ramos, José (Elsevier, 2000-07)
      Body and carcass composition were studied on 10 male and 10 female naturally reared llamas (Lama glama). Half the animals were young (9±12 months) and the other half adult (>3 year) . The average live weights for young ...
    • Guzmán Rojas, Rodrigo; Atan, Ixora; Shek, Ka Lai; Dietz, Hans (Wiley-Blackwell, 2015)
      BackgroundRectocele is a herniation of the anterior wall of the rectal ampulla through a defect in the rectovaginal septum causing protrusion of the posterior vaginal wall. Common symptoms include symptoms of prolapse and ...
    • Hai Ying, Cao; Guzmán Rojas, Rodrigo; Hall, Jessica Caudwell; Atan, Ixora Kamisan; Dietz, Hans Peter (The International Urogynecological Association, 2015)
      Introduction and hypothesis Obstructed defecation is a common symptom complex in urogynaecological patients, and perineal, vaginal and/or anal digitation may required for defecation. Translabial ultrasound can be used ...
    • Jalil, S. S. Abdul; Guzmán Rojas, Rodrigo; Dietz, H. P. (Wiley, 2016)
      Objective Levator ani muscle avulsion is found in 15-30% of parturients and is associated with recurrence of pelvic organ prolapse (POP) following surgery, although most published evidence on recurrence relates to postoperative ...
    • Atan, I. Kamisan; Shek, K. L.; Langer, S.; Guzmán Rojas, Rodrigo; Caudwell-Hall, J.; Daly, J. O.; Dietz, H. P. (Wiley-Blackwell, 2016)
      Objective Vaginal childbirth may result in levator ani injury secondary to overdistension during the second stage of labour. Other injuries include perineal and anal sphincter tears. Antepartum use of a birth trainer ...
    • Young, Natharnia; Atan, Ixora Kamisan; Guzmán Rojas, Rodrigo; Dietz, Hans P. (Springer, 2018-08)
      The objective was to determine the association between body mass index (BMI) and symptoms and signs of female pelvic organ prolapse (POP). An observational cross-sectional study of 964 archived datasets of women seen for ...
    • Tan, Li; Shek, Ka Lai; Kamisan Atan, Ixora; Guzmán Rojas, Rodrigo; Peter Dietz, Hans (Springer, 2015)
      Translabial 3D/4D ultrasound is increasingly being used in the diagnostic evaluation of pelvic floor dysfunction. The result of the assessment is influenced by a number of confounders that are generally unrecognised. The ...
    • Manríquez Galán, Valentín; Guzmán Rojas, Rodrigo; Naser Nassar, Michel; Aguilera, Amalia; Narvaez, Simonie; Castro Lara, Ariel; Swift, Steven; Digesu, G. Alessandro (Elsevier, 2016)
      Introduction and hypothesis: The aim of this study was to evaluate the effectiveness of transcutaneous posterior tibial nerve stimulation (T.C. PTNS) versus extended release oxybutynin (E.R.O.) in patients with overactive ...
    • Dietz, H. P.; Severino, M.; Atan, I. Kamisan; Shek, K. L.; Guzmán Rojas, Rodrigo (Wiley-Blackwell, 2016)
      Objectives The levator hiatus is the largest potential hernial portal in the human body. Excessive distensibility is associated with female pelvic organ prolapse (POP). Distension occurs not just laterally but also caudally, ...