Perianal fistula is a common anal problem. It needs only surgery. MRI is the best preoperative diagnostic tool, but it is demanding as it is expensive, time consuming and needs an experienced radiologist. So, we tried to find an alternative diagnostic tool which is cheaper, time saving and accurate and comparing its preoperative reports with intraoperative findings. study was held in surgery department in Zagazig University Hospitals from September 2023 to March 2024. It included 93 patients with perianal fistula who were diagnosed clinically and radiological by trans recto-perineal ultrasound and comparing pre-operative ultrasound findings with intra-operative surgical findings.
Study Type
OBSERVATIONAL
Enrollment
93
Zagazig University Hospitals
Zagazig, Egypt
age
age of patient was recorded in years
Time frame: from 2 to 3 days before operation
sex
sex of patients was recorded as male or female
Time frame: from 2 to 3 days before surgery
body mass index
patient BMI was recorded by dividing weight in kg by length square in meters
Time frame: from 2 to 3 days before surgery
history of abscess drainage
history of perianal abscess was recorded
Time frame: from 2 to 3 days before surgery
Internal opening
presence and site of internal opening was assessed by digital rectal examination and utrasound
Time frame: from 2 to 3 days pre-operative and intraoperatively
fistula branches
presence of fistula branches and their number were assessed by ultrasound and during surgery
Time frame: from 2 to 3 days pre-operative and intraoperatively
type fistulous tract
type of fistula was detected in relation to anal sphincters by ultrasound and intraoperative
Time frame: from 2 to 3 days pre-operative and intraoperatively
abscess cavity
presence or absence of abscess cavity was assessed in ultrasound and intraoperative
Time frame: from 2 to 3 days pre-operative and intraoperatively
other anal disease
presence or absence of other anal disease like anal fissure, piles or inflammatory bowel disease from medical records of the patients
Time frame: from 2 to 3 days before surgery
external openings
number and site of external openings was assessed by clinical and radiological examination
Time frame: from 2 to 3 days pre-operative and intraoperatively
anal discharge
presence or absence of anal discharge, its color, odor and viscosity were assessed by history of soiling underwear and clinical examination by soiling of gloves or direct vision of discharge during digital rectal examination
Time frame: from 2 to 3 days before surgery
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