• 1
    Goodfellow CF, Hull MG, Swaab DF, Dogterom J, Buijs RM. Oxytocin deficiency at delivery with epidural analgesia. Br J Obstet Gynaecol 1983;90: 214219.
  • 2
    Saunders NJ, Spiby H, Gilbert L, Fraser RB, Jackson A, Edmonds DK. Oxytocin infusion during second stage of labour in primiparous women using epidural analgesia: a randomized double blind placebo controlled trial. BMJ 1989;299: 14231426.
  • 3
    Studd JW, Crawford JS, Duignan NM, Rowbotham CJ, Hughes AO. The effect of lumbar epidural analgesia on the rate of cervical dilatation and the outcome of labour of spontaneous onset. Br J Obstet Gynaecol 1980;87: 10151021.
  • 4
    Maresh M, Choong KH, Beard RW. Delayed pushing with lumbar epidural analgesia in labour. Br J Obstet Gynaecol 1983;90: 623627.
  • 5
    Fraser WD, Marcoux S, Krauss I, Douglas J, Goulet C, Boulvain M. Multicenter, randomized, controlled trial of delayed pushing for nulliparous women in the second stage of labor with continuous epidural analgesia. The PEOPLE (pushing early or pushing late with epidural) study group. Am J Obstet Gynecol 2000;182: 11651172.
  • 6
    Gleeson NC, Griffith AP. The management of the second stage of labour in primiparae with epidural analgesia. Br J Clin Pract 1991;45: 9091.
  • 7
    Manyonda IT, Shaw DE, Drife JO. The effect of delayed pushing in the second stage of labour with continuous lumbar epidural analgesia. Acta Obstet Gynecol Scand 1990;69: 291295.
  • 8
    Thorp JA, Breedlove G. Epidural analgesia in labor: an evaluation of risks and benefits. Birth 1996;23: 6383.
  • 9
    Walton P, Reynolds F. Epidural analgesia and instrumental delivery. Anaesthesia 1984;39: 218223.
  • 10
    Donnelly VS, Fynes M, Campbell D, Johnson H, O'Connell PR, O'Herlihy C. Obstetric events leading to anal sphincter damage. Obstet Gynecol 1998;92: 955961.
  • 11
    O'Driscoll K, Meagher D, Boylan P. Active Management of Labor, 3rd edition. London : Mosby, 1993.
  • 12
    Jorge JM, Wexner SD. Etiology and management of faecal incontinence. Dis Colon Rectum 1993;36: 7779.
  • 13
    Williams N, Barlow J, Hobson A, Scott N, Irving M. Manometric asymmetry in the anal canal in controls and patients with faecal incontinence. Dis Colon Rectum 1995;38: 12751280.
  • 14
    Perry RE, Blantchford GJ, Christensen MA, Thorson AG, Attwood SE. Manometric diagnosis of anal sphincter injuries. Am J Surg 1990;159: 112117.
  • 15
    Fynes M, Behan M, O'Herlihy C, O'Connell PR. Anal vector volume analysis complements endoanal ultrasound assessment of postpartum anal sphincter injury. Br J Surg 2000;87: 12091214.
  • 16
    Sultan AH, Kamm MA, Hudson CN, Bartram CI. Anal sphincter disruption during vaginal delivery. N Engl J Med 1993;329: 19051911.
  • 17
    Deen KJ, Williams J, Cliff J, Keighley M. The prevalence of anal sphincter defects in faecal incontinence: a prospective endosonic study. Gut 1993;34: 685688.
  • 18
    Abrams P, Blaivas JG, Stanton SL, Andersen JT. The standardization of terminology of lower urinary tract function. Scand J Urol Nephrol 1988;114(Suppl):519.
  • 19
    Varma JS, Smith AN, McInnes A. Electrophysiological observation on the human pudendoanal reflex. J Neurol Neurosurg Psychiatry 1986;49: 14111416.
  • 20
    Benson TJ, Brubaker L. Electrodiagnostic assessment: a diagnostic adjunct. In: BrubakerLT, SaclaridesTJ, editors. . The Female Pelvic Floor: Disorders of Function and Support. Philadelphia : F.A. Davis, 1996: 100108.
  • 21
    Aminoff MJ. Clinical electromyography. Electrodiagnosis in Clinical Neurology, 3rd edition. New York : Churchill Livingstone, 1992.
  • 22
    Fitzpatrick M, Behan M, O'Connell PR, O'Herlihy C. A randomised clinical trial comparing primary overlap with approximation repair of third degree obstetrical tears. Am J Obstet Gynecol 2000;183: 12201224.
  • 23
    Nikodem VC. Early vs. late pushing with epidural anaesthesia in 2nd stage of labour. Pregnancy and childbirth module. The Cochrane Collaboration. The Cochrane Pregnancy and Childbirth Database, Issue 2. Oxford : Update Software, 1995.
  • 24
    Vause S, Congdon H, Thornton J. Immediate and delayed pushing in the second stage of labour for nulliparous women with epidural analgesia: a randomised controlled trial. Br J Obstet Gynaecol 1998;105: 186188.
  • 25
    Smith AR, James DK, Faragher EB, Gilfillan S. Continuous lumbar epidural analgesia in labour—does delaying pushing in the second stage reduce the incidence of instrumental delivery?. J Obstet Gynaecol 1982;2: 170172.
  • 26
    Robinson J, Norwitz E, Cohen A, McElrath T, Lieberman E. Epidural analgesia and third and fourth degree lacerations in nulliparas. Obstet Gynecol 1999;94: 259262.
  • 27
    Fitzpatrick M, Fynes M, Cassidy M, Behan M, O'Connell PR, O'Herlihy C. Prospective study of the influence of parity and operative technique on the outcome of primary anal sphincter repair following obstetrical injury. Eur J Obstet Gynecol 2000;89: 159163.
  • 28
    Fynes M, Donnelly V, O'Connell PR, O'Herlihy C. Cesarean delivery and anal sphincter injury. Obstet Gynecol 1998;92: 496500.
  • 29
    Sultan AH, Kamm M, Hudson CN. Pudendal nerve damage during labour: prospective study before and after labour. Br J Obstet Gynaecol 1994;101: 2228.