NCT04365491

Brief Summary

Background Acute appendicitis is an extremely common surgical emergency. Traditionally, appendicitis has been managed surgically. Recently, however, variability in management of acute appendicitis has emerged, with some clinicians practising conservative, i.e. non-operative, management in selected patients. This high-quality pan-European, prospective audit will establish current practices and correlate them against outcomes. Aim To explore differences in patient presentation, clinical course and outcomes for acute appendicitis across international clinical Centres to identify areas of practice variability in the presentation, management and complications of acute appendicitis. Endpoints A three-stage data collection strategy will be used in this audit. There will be a 90 day prospective period for data collection during a six month window from September 2020 to end February 2021. Data collection will consist of collecting patient demographics, details of management (conservative vs surgical) and outcomes. Several outcomes measures will be used, including surgical mortality, morbidity (Clavien-Dindo Grade 2 and above) and length of hospital stay. The data collection points are as follows:

  • Demographics
  • Operative technique
  • Use of antibiotics
  • Conservative vs surgical management
  • Outcomes
  • All eligible patients will be followed up to 90 days from their admission
  • Readmissions will be flagged and identified
  • Complications within the 90 day period will be recorded
  • Patients who have a complete data set at 90 days post presentation will be followed up to the 1-year mark • Incomplete data sets will be excluded from the study

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
4,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2020

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 22, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

April 28, 2020

Completed
4 months until next milestone

Study Start

First participant enrolled

September 1, 2020

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2021

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2021

Completed
Last Updated

March 1, 2023

Status Verified

February 1, 2023

Enrollment Period

7 months

First QC Date

April 22, 2020

Last Update Submit

February 28, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Incidence of acute appendicitis

    Incidence of acute appendicitis

    3 months

Other Outcomes (6)

  • Post-operative (or non-operative complications)

    90 days

  • Length of post-operative stay in the hospital

    90 days

  • cost-analysis of treatment

    90 days

  • +3 more other outcomes

Eligibility Criteria

Age16 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All hospitals/units performing general surgery are eligible to join this audit. No unit size or case throughput stipulations are made. Countries outside Europe can also participate in this audit. All participating centres will register with the ESTES cohort study office and will be responsible for their own local approvals process prior to the start of the data collection period. Inclusion of data sets will be subject to local approval from participating clinical Centres. Normal patient follow-up pathways can be utilised to obtain outcomes data. No additional visits or changes to normal follow-up should be made. However, local investigators should be proactive in identifying post-diagnosis. These may include reviewing the patient notes (paper and electronic) during admission and before discharge to note in-hospital complications, reviewing hospital systems to check for re-attendances or re-admissions, and reviewing post-operative radiology reports.

You may qualify if:

  • Adult patients (≥16 years of age) admitted for:
  • Acute Appendicitis
  • Procedures which should be included:
  • Appendectomy (open, laparoscopic or robotic)
  • Diagnostic laparoscopy

You may not qualify if:

  • Mesenteric adenitis
  • Ovarian pathology
  • Methods for identifying patients
  • Multiple methods may be used according to local circumstances/staffing:
  • Daily review of emergency department (non-operative) and operating room lists
  • Daily review of team handover sheets / emergency admission lists / ward lists
  • Review of operating room logbooks
  • Use of electronic systems to flag any readmissions of patients identified and treated

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tallaght University Hospital

Dublin, Ireland

Location

Related Publications (2)

  • Bass GA, Kaplan LJ, Forssten MP, Walsh TN, Cao Y, Mohseni S; ESTES SnapAppy Group. Techniques for mesoappendix transection and appendix resection: insights from the ESTES SnapAppy study. Eur J Trauma Emerg Surg. 2023 Feb;49(1):17-32. doi: 10.1007/s00068-022-02191-8. Epub 2023 Jan 24.

  • Young N, Ahl Hulme R, Forssten MP, Kaplan LJ, Walsh TN, Cao Y, Mohseni S, Bass GA; ESTES SnapAppy Group. Graded operative autonomy in emergency appendectomy mirrors case-complexity: surgical training insights from the SnapAppy prospective observational study. Eur J Trauma Emerg Surg. 2023 Feb;49(1):33-44. doi: 10.1007/s00068-022-02142-3. Epub 2023 Jan 16.

MeSH Terms

Conditions

Appendicitis

Condition Hierarchy (Ancestors)

Intraabdominal InfectionsInfectionsGastroenteritisGastrointestinal DiseasesDigestive System DiseasesCecal DiseasesIntestinal Diseases

Study Officials

  • Eanna J Ryan, MD MRCSI

    St Vincent's University Hospital, Ireland

    STUDY DIRECTOR
  • Shahin Mohseni, MD, PhD

    Orebro University Hospital, Sweden

    STUDY CHAIR
  • Gary A Bass, MD, MS

    Dept Traumatology, Surgical Critical Care, University of Pennsylvania, Philadelphia, PA, USA

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
3 Months
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
ESTES Cohort Studies Committee Chairperson

Study Record Dates

First Submitted

April 22, 2020

First Posted

April 28, 2020

Study Start

September 1, 2020

Primary Completion

March 31, 2021

Study Completion

April 30, 2021

Last Updated

March 1, 2023

Record last verified: 2023-02

Data Sharing

IPD Sharing
Will not share

Pooled Data will be published. Subgroup analyses by disease, technique or outcome variables may be presented, but no hospital-level or surgeon-level data will be published whereby an individual patient, unit or surgeon can be identified. If local investigators would like their own unit's raw data for benchmarking purposes and local presentation/discussion, this can be made available after the end of the study; however, it will not be possible to de-anonymise patient data stored in Smart-Trial, in strict compliance with GDPR. The ESTES Cohort Studies Committee welcomes the use of the data for further research that benefits patients. Data sharing is subject to ESTES approval and appropriate safeguarding. Future sub-projects must comply with our policy of single corporate authorship e.g. "ESTES Cohort Studies Group". Authors' contributions will be highlighted in accordance with the recommendations for the conduct, reporting, editing, and publication of scholarly work in medical journals.

Locations