Retrospective Review on Uterovaginal Anomalies

Review of surgical outcomes of patient who have undergone surgery for uterovaginal anomalies. Case notes of patients would be reviewed and data would be gathered for statistical analysis.

Study Overview

• Status: Not yet recruiting
• Conditions: Vaginal Abnormality; Abnormalities Uterine

Detailed Description

Uterovaginal anomalies are congenital malformations of the female reproductive tract, including hymenal, vaginal, cervical and uterine anomalies. The incidence could be as high as 7% in females1. These anomalies can occur alone or in association with other anomalies such as renal anomalies.

There could be variable consequences from these malformations, some are asymptomatic while some may have various symptoms.

It is important to be aware that obstructive uterovaginal anomalies, examples including imperforated hymen and obstructive hemivagina and ipsilateral renal anomaly (also known as OHVIRA), may present after puberty, with symptoms including amenorrhoea, dysmenorrhea, pelvic pain etc. These are conditions that should be managed. Patient may require interventions. Surgery is the principal management for obstructive anomalies, dependent on the types of obstruction. Types of surgeries ranges from simple surgical procedures to complex surgeries that require multidisciplinary input.

Post-operatively patients should be offered follow up for monitoring in view of the risk of stenosis that may require ongoing dilation or additional surgical management.

There are limited studies on the post-operative outcomes for uterovaginal anomalies, so this study aims at reviewing and comparing the different outcomes after initial surgery.

This is a retrospective observational study. Electronic and paper clinical records of all patients who attended the Prince of Wales Hospital, Alice Ho Miu Ling Nethersole Hospital and North District Hospital with the diagnosis of uterovaginal anomaly will be reviewed, data collected will be input and analyzed using different statistical analysis tools. Data between 1.1.2000 and 31.12.2023 will be reviewed retrospectively. No human subject will be recruited.

The aim of the study is to reviewing and comparing the different outcomes after surgery for patients who had uterovaginal anomalies

• Study Type: Observational
• Enrollment (Estimated): 400

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Child; Adult; Older Adult
• Accepts Healthy Volunteers: N/A

• Sampling Method: Non-Probability Sample

Study Population

All patients who attended the Prince of Wales Hospital, Alice Ho Miu Ling Nethersole Hospital and North District Hospital with the diagnosis of uterovaginal anomaly between 1.1.2000 and 31.12.2023.

Description

Inclusion Criteria:

• All patients who attended the Prince of Wales Hospital with the diagnosis of uterovaginal anomaly since 2000

Exclusion Criteria:

• Nil

Study Plan

How is the study designed?

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Incidence of re-stenosis	Patient record will be reviewed. Number of patients need re-stenosis after surgical treatment for obstructive uterovaginal anomalies will be counted.	1 year after operation
Incidence of re-operation	Patient record will be reviewed. Number of patients need re-operation after surgical treatment for obstructive uterovaginal anomalies will be counted.	1 year after operation
Number of patients with normal menstruation after operation	Menstruation status will be reviewed in post-operation follow up. Number of patients with normal menstruation after surgical treatment for obstructive uterovaginal anomalies will be counted.	1 year after operation
Number of patients with sexual intercourse after operation	Sexual status will be asked in post-operation follow up. Number of patients with sexual intercourse after surgical treatment for obstructive uterovaginal anomalies will be counted.	1 year after operation
Number of patients with post-operative infection	Patient record will be reviewed. Number of patients with post-operative infection will be counted.	1 year after operation
Number of patients with pregnancy after operation	Pregnancy status will be reviewed. Number of patients with ultrasound confirmed pregnancy after operation will be counted.	1 year after operation

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Background demographics affecting post-operative outcomes for patients with uterovaginal anomalies	Background demographics including age at diagnosis, age at operation, difference in age between menarche and diagnosis/ operation, history of previous abdominal or reproductive tract surgery, menstrual cycle will be reviewed. Categorical data will be analyzed with Chi square or Fisher's exact test. Continuous data will be analyzed with t test and ANOVA test. The significance level is set at 0.05.	1 year after operation
Number of participants with Pre-operative factors affecting post-operative outcomes	Pre-operative factors including presentation at diagnosis, laterality of hematocolpos, thickness and size of septum, distance of septum to perineum, obstructed longitudinal septum axis and the type of renal anomaly will be reviewed. Categorical data will be analyzed with Chi square or Fisher's exact test. Continuous data will be analyzed with t test and ANOVA test. The significance level is set at 0.05.	1 year after operation

Collaborators and Investigators

• Sponsor: Chinese University of Hong Kong

Study record dates

Study Major Dates

• Study Start (Estimated): March 20, 2024
• Primary Completion (Estimated): February 14, 2025
• Study Completion (Estimated): February 14, 2025

Study Registration Dates

• First Submitted: January 18, 2024
• First Submitted That Met QC Criteria: March 13, 2024
• First Posted (Actual): March 15, 2024

Study Record Updates

• Last Update Posted (Actual): March 15, 2024
• Last Update Submitted That Met QC Criteria: March 13, 2024
• Last Verified: March 1, 2024

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Congenital Abnormalities
• Other Study ID Numbers: CREC 2023.683