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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.
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| Measure | Description | Time Frame |
|---|---|---|
| age | age of patient was recorded in years | from 2 to 3 days before operation |
| sex | sex of patients was recorded as male or female | from 2 to 3 days before surgery |
| body mass index | patient BMI was recorded by dividing weight in kg by length square in meters | from 2 to 3 days before surgery |
| history of abscess drainage | history of perianal abscess was recorded | from 2 to 3 days before surgery |
| Internal opening | presence and site of internal opening was assessed by digital rectal examination and utrasound | 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 | 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 | from 2 to 3 days pre-operative and intraoperatively |
| abscess cavity | presence or absence of abscess cavity was assessed in ultrasound and intraoperative |
| Measure | Description | Time Frame |
|---|---|---|
| other anal disease | presence or absence of other anal disease like anal fissure, piles or inflammatory bowel disease from medical records of the patients | from 2 to 3 days before surgery |
| external openings |
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Inclusion Criteria:
Exclusion Criteria:
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only patients with perianal fistula or abscess in zagazig university hospitals who admitted during the study duration were included in the study
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| Name | Affiliation | Role |
|---|---|---|
| Reham Zakaria, PhD | faculty of medicine Zagazig University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zagazig University Hospitals | Zagazig | 44519 | Egypt |
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| from 2 to 3 days pre-operative and intraoperatively |
number and site of external openings was assessed by clinical and radiological examination
| 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 | from 2 to 3 days before surgery |