References

References

Bailey HR, Beck DE, Billingham RP et al. (2002) A study to determine the nitroglycerin ointment dose and dosing interval that best promote the healing of chronic anal fissures. Diseases of the Colon and Rectum 45: 1192–9

British national formulary (January 2013) Glyceryl trinitrate. [online; accessed 25 February 2013]

Carapeti EA, Kamm MA, McDonald PJ et al. (1999) Randomised controlled trial shows that glyceryl trinitrate heals anal fissures, higher doses are not more effective, and there is a high recurrence rate. Gut 44: 727–30

Cross KLR, Massey EJD, Fowler AL et al. (2008) The management of anal fissure: ACPGBI position statement. Colorectal Disease 10 (Suppl. 3): 1–7

Medicines and Healthcare products Regulatory Agency (MHRA) Medicines that do not need a licence [online; accessed 5 Feb 2013]

National Institute for Health and Clinical Excellence (2013) Chronic anal fissure: 2% topical diltiazem hydrochloride. Evidence summary: unlicensed or off-label medicine 3

Nelson RL, Chattopadhyay A, Brooks W et al. (2011) Operative procedures for fissure in ano. Cochrane Database of Systematic Reviews issue 11: CD002199

Nelson RL, Thomas K, Morgan J et al. (2012) Non-surgical therapy for anal fissure. Cochrane Database of Systematic Reviews issue 2: CD003431

NHS Business Services Authority (2013) NHS electronic drug tariff (January 2013) [online; accessed 25 February 2013]

NHS Business Services Authority (2012) Volume and cost of special order products [online; accessed 5 February 2013]

NHS Choices (2012). Anal fissure [online; accessed 5 March 2013]

Orsay C, Rakinic J, Brian Perry W et al. (2004) Practice parameters for the management of anal fissures (revised). Diseases of the Colon and Rectum 47: 2003–7

ProStrakan (2012) Rectogesic 4 mg/g rectal ointment: summary of product characteristics. [online; accessed 4 February 2013]

Samim M, Twigt B, Stoker L et al. (2012) Topical diltiazem cream versus botulinum toxin a for the treatment of chronic anal fissure: a double-blind randomized clinical trial. Annals of Surgery 255: 18–22

Scholefield JH, Bock JU, Marla B et al. (2003) A dose-finding study with 0.1%, 0.2% and 0.4% glyceryl trinitrate ointment in patients with chronic anal fissures. Gut 52: 264–9

Simpson J, Lund JN, Thompson RJ et al. (2003) The use of glyceryl trinitrate (GTN) in the treatment of chronic anal fissure in children. Medical Science Monitor 9: PI123–6

Scottish Medicines Consortium (2008) Glyceryl trinitrate (GTN) 0.4% w/w (4 mg/g) rectal ointment (Rectogesic) [online; accessed 5 February 2013]