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NCT Number: NCT06818942

Nomogram for Predicting Difficult Laparoscopic Appendectomy

No prior studies have stratified the difficulty of laparoscopic appendectomy (LA). The investigators aimed to investigate preoperative factors as indicators of difficult LAs based on the experience of surgical trainees and to develop a predictive model accordingly.

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Key information

Conditions

Emergencies Disease Attributes Pathologic Processes Pathological Conditions, Signs and Symptoms

Sex eligibility

All sexes

Study type

Observational

Primary location

Shanghai Sixth People's Hospital

Shanghai, Shanghai Municipality, 200233, China

Location status: Recruiting

Location contact

Ling Zhan, Doctor

CONTACT

[email protected]

08615821120972

About this study

Acute appendicitis is the most common cause of surgical emergencies and laparoscopic appendectomy (LA) is usually attempted by surgical trainees. This study aim to explore the preoperative and intraoperative factors affecting the degree of surgical difficulty and to establish a model for validation, so that it can be subsequently replicated in training programs.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Clinical diagnosis of acute appendicitis
  • Participants who underwent laparoscopic appendectomy

Exclusion criteria

  • Participants refused or could not tolerate laparoscopic appendectomy
  • Incomplete preoperative examination or missed information

Treatment and study plan

Observations on preoperative and intraoperative factors influencing the difficulty of surgery

Other

Age, body mass index, gender, inflammatory indicators, previous history of abdominal surgery, underlying disease

Primary outcomes

  1. Operative time

    Time frame: During surgery

    operative time was defined as the duration from incision to closure, and was collected from anesthesia record sheet

  2. Number of participants with postoperative complications

    Time frame: through study completion, an average of 1 year

    Postoperative bleeding, surgical site infection and other complications

  3. Hospitalization

    Time frame: 1 day of discharge

    days of hospitalization

  4. Degree of pain

    Time frame: approximately 4 hours after surgery and on postoperative day 1

    pain intensity was assessed using a standard visual analogue score, with a score of 0 to 10 corresponding to no pain to the most severe pain

Study contacts

Contact information is provided by the study sponsor or research team.

Ling Zhan, Dr

CONTACT

[email protected]

08615821120972

Sponsors and collaborators

Lead sponsor

Shanghai 6th People's Hospital

Other

Registry information

Important dates

Study start
2025
Primary completion
2026
Study completion
2027
First posted
Feb 11, 2025
Registry last updated
May 7, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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