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CompletedNCT07788963Updated Sep 9, 2026

Obesity and Outcomes After Surgery for Thoracoabdominal and Abdominal Gunshot Injuries

An observational study in Gunshot Wound, Obesity & Overweight and Abdominal Injuries, sponsored by Bakirkoy Dr. Sadi Konuk Research and Training Hospital. Completed at 1 site in Turkey (Türkiye). Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-09.

Sponsored by Bakirkoy Dr. Sadi Konuk Research and Training Hospital · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
112
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 352 studies in Obesity with a site in Turkey — 72 open to participants now, 90 under way, 16 of them phase 3. Obesity · Turkey.

Enrollment
55th of 160
112 · median 82
Started
2026
with 58 others
Observational
160 of 352
32 open now
Registered
326th of 352
by date

Among the 352 studies in Obesity with a site in Turkey, this one is the 55th largest by enrollment of the 160 observational ones, is one of 59 that started in 2026, is one of 160 observational ones, and was the 326th registered.

By phase

352 studies; the count open now beside each. This study's row is marked.

No phase160 · 28 open
Observationalthis study160 · 32 open
Phase 326 · 12 open
Phase 43 · 0 open
Phase 22 · 0 open
Phase 2/31 · 0 open

By the year they started

First in 2005; this study’s year is marked. 59 started in 2026.

Size and results

Median enrollment 64 across the 191 interventional studies, 82 across the 160 observational. Of the 236 that completed or were terminated, 7 (3%) have results posted.

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02

Study summary

This retrospective observational study evaluated whether obesity was associated with outcomes after surgery for thoracoabdominal or isolated abdominal gunshot injuries. Adult patients who underwent surgery for these injuries at a referral trauma center between 2020 and 2025 were included. Patients were grouped according to body mass index, with obesity defined as a body mass index of 30 kg/m² or higher. Clinical characteristics, injury-related variables, perioperative findings, postoperative complications, need for reoperation, intensive care unit stay, mechanical ventilation, hospital stay, and mortality were evaluated. The study aimed to determine whether outcomes differed between patients with and without obesity and to identify factors associated with postoperative morbidity and mortality.

Read the detailed description

This was a single-center retrospective observational cohort study of adult patients who underwent surgery for thoracoabdominal or isolated abdominal gunshot injuries at a referral trauma center between 2020 and 2025.

Patients aged 18 years or older were eligible for inclusion. Patients who died in the emergency department, arrived without signs of life, had an Abbreviated Injury Scale score of 3 or greater in another body region, or were transferred from another hospital were excluded.

Patients were categorized according to obesity status. Obesity was defined as a body mass index of 30 kg/m² or higher, and outcomes were compared with those of patients with a body mass index below 30 kg/m².

Data collected from medical records included demographic characteristics, injury-related variables, initial physiological and laboratory findings, perioperative characteristics, blood transfusion requirements, operative duration, gastrointestinal interventions, stoma creation, postoperative complications, need for reoperation, duration of mechanical ventilation, intensive care unit length of stay, total hospital length of stay, and mortality. The shock index was calculated as heart rate divided by systolic blood pressure at emergency department admission.

Postoperative morbidity was defined as any postoperative complication with a Clavien-Dindo grade of IIIa or higher. Multivariable logistic regression analyses were used to evaluate factors independently associated with morbidity and mortality, with obesity included as the primary exposure variable.

03

Conditions studied

  • Gunshot Wound
  • Obesity & Overweight
  • Abdominal Injuries

Keywords

  • Penetrating Trauma
  • Abdominal Gunshot Injury
  • Trauma Surgery
  • Body Mass Index
  • Mortality
  • Injury Severity Score
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Adult patients who underwent surgery for thoracoabdominal or isolated abdominal gunshot injuries at a referral trauma center between 2020 and 2025. Eligible patients were identified retrospectively from institutional medical records.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Age 18 years or older.
  • Patients underwent surgery for a thoracoabdominal or isolated abdominal gunshot injury at the study center between 2020 and 2025.

Exclusion criteria

Exclusion Criteria:

  • Death in the emergency department before surgery.
  • Arrival without signs of life.
  • Abbreviated Injury Scale (AIS) score of 3 or greater in a body region other than the thoracoabdominal or abdominal region of interest.
  • Transfer from another hospital.
05

Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
112 participants (actual)
Patient registry
No

Groups and cohorts

  • Surgically Managed Gunshot Injury Cohort

    Adult patients who underwent surgery for thoracoabdominal or isolated abdominal gunshot injuries at the study center between 2020 and 2025. Patients were retrospectively evaluated and classified according to obesity status based on body mass index.

    Other: Obesity Status

Interventions

  • OtherObesity Status

    Obesity status was determined from body mass index (BMI). Patients with a BMI of 30 kg/m² or higher were classified as having obesity, and patients with a BMI below 30 kg/m² were classified as non-obese. Obesity status was an observed exposure and was not assigned by the investigators.

06

What researchers measure

Primary outcomes

  1. Major Postoperative Morbidity

    Occurrence of one or more postoperative complications classified as Clavien-Dindo grade IIIa or higher.

    Time frame: Within 30 days after surgery

07

Study locations

1 site
  • Bakirkoy Dr. Sadi Konuk Training and Research Hospital
    Istanbul, Bakirkoy 34147, Turkey (Türkiye)
08

References and documents

Individual participant data

Plan to share: Yes — De-identified individual participant data underlying the results reported in this study may be shared upon reasonable request to the corresponding author, subject to institutional policies and applicable ethical and data protection requirements.

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from Jun 2026 to primary completion in Jun 2026, 0 months.

How these figures are worked out, and which studies are left out of them.

Registered
Aug 24, 2026
First posted
Aug 27, 2026
StartActual
Jun 1, 2026
Primary completionActual
Jun 30, 2026
CompletionActual
Jun 30, 2026
Last update
Sep 9, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Sep 9, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07788963
Responsible party
Sponsor
First posted
Aug 27, 2026
Start date
Jun 1, 2026
Primary completion
Jun 30, 2026
Completion
Jun 30, 2026
Last update
Sep 9, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.

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