JRSM > Volume 97, Number 3 > Pp. 111-116

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Risk factors in acquired faecal incontinence

Peter J Lunniss MS FRCS   Marc A Gladman MRCOG MRCS   Franc H Hetzer MD   Norman S Williams MS FRCS     S Mark Scott PhD  

Centre for Academic Surgery (Gastrointestinal Physiology Unit), Queen Mary's School of Medicine and Dentistry, Royal London Hospital, Whitechapel, London E1 1BB, UK

Correspondence to: Dr SM Scott, Gastrointestinal Physiology Unit, 3rd Floor, Alexandra Wing, Royal London Hospital, Whitechapel, London E1 1BB, UK E-mail: m.scott{at}qmul.ac.uk

Acquired faecal incontinence arising in the non-elderly population is a common and often devastating condition. We conducted a retrospective cohort analysis in 629 patients (475 female) referred to a tertiary centre, to determine the relative importance of individual risk factors in the development of faecal incontinence, as demonstrated by abnormal results on physiological testing.

Potential risk factors were identified in all but 6% of patients (7 female, 32 male). In women, the principal risk factor was childbirth (91%), and in most cases at least one vaginal delivery had met with complications such as perineal injury or the need for forceps delivery. Of the males, half had undergone anal surgery and this was the only identified risk factor in 59%. In many instances, assignment of cause was hampered by a long interval between the supposed precipitating event and the development of symptoms. Abnormalities of anorectal physiology were identified in 76% of males and 96% of females (in whom they were more commonly multiple).

These findings add to evidence that occult damage to the continence mechanism, especially through vaginal delivery and anal surgery, can result in subsequent faecal incontinence, sometimes after an interval of many years.

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