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. 2005 Jan 24;2005(1):CD005034. doi: 10.1002/14651858.CD005034.pub2

Lewis 1983.

Methods Study design: Random allocation but method not described 
 Follow‐up: 5 weeks to 5 years
Participants 112 patients with haemorrhoidal disease 
 Rubber band ligation (Group A): 21 male, mean age of 46+/‐ 15 years, mean duration of symptoms ‐ 54 months, 18 grade III patients and 12 after injection sclerotherapy. 
 Milligan Morgan haemorrhoidectomy (Group B): 13 male, mean age 49+/‐13 years, duration of symptoms ‐ 60 months, 15 grade III patients and 11 recurrent after injection sclerotherapy. 
 Other interventions were cryotherapy using nitrous oxide probe and maximal anal dilatation (Lord's method)
Interventions Group A (n = 30): Out patient procedure. No premedication or anaesthetic, left lateral position, Forceps to grasp and draw the base of haemorrhoidal tissue above dentate line and Barron ligator to apply band. Maximum of 3 band were applied on 3 occasions at 3 weeks interval unless symptom resolved before completion of the course 
 Group B (n = 26): In‐patient procedure. General or spinal anaesthesia. Haemorrhoidal tissue dissected free of internal sphincter. Pedicle transfixed and excised. Vaseline gauze dressing for the wound
Outcomes 5 week results: Number of patients with post operative pain 
 Number with significant post operative haemorrhage 
 Flatus incontinence Long term (Median 1‐2 years) results: 
 Number required retreatment 
 Anal stenosis
Notes Study location: Royal Free Hospital, London, United Kingdom 
 Patients/Investigators/ ‐Not stated; presumed none Outcome assessors ‐ Independent assessor but not sure about the effectiveness of blinding. 
 Similarity between groups (baseline) ‐ Yes 
 Funding source ‐ Peter Samuel fund 
 Completeness to follow‐up: 28 patients from group A and 26 from group B were followed for more than a year. 
 Intention to treat analysis: Yes 
 Exclusion criteria ‐ Described