Validation of the STUMBL Score for Blunt Thoracic Trauma

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

188 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-04-20

Study Completion Date

2025-07-20

Brief Summary

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This prospective observational study aims to validate the STUMBL score for risk stratification in emergency department patients with blunt thoracic trauma in Iraq. The main questions it seeks to answer are:

How accurately does the STUMBL score predict mortality and critical outcomes such as ICU admission or advanced interventions? How well does the score stratify patients by injury severity in a resource-limited setting? Are there demographic or clinical factors that influence the score's predictive performance?

Participants will:

Be assessed using the STUMBL score upon arrival at the emergency department to predict risk levels.

Have demographic and clinical data, including age, gender, injury mechanism, comorbidities, and length of hospital stay, collected to explore potential associations with outcomes.

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Detailed Description

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Blunt thoracic trauma (BTT) is a significant cause of morbidity and mortality in emergency department (ED) patients worldwide. The complexity of BTT management arises from the diverse range of injuries that can occur, including rib fractures, pneumothorax, and hemothorax, which can lead to life-threatening complications if not promptly identified and treated. Studies indicate that the rise in mortality and long-term morbidity can be clearly linked to the number of rib fractures sustained. Road traffic collisions are the predominant cause of major blunt injury. BTT is more common, with relative incidence being estimated at 72-83.5% versus penetrating trauma at 16.5-28%. In emergency settings, timely and accurate assessment of patients with blunt thoracic injuries is crucial for optimizing outcomes. Thereby, there is a need for valid systems that can be effectively utilized in emergency departments to enhance clinical decision-making in a short-term manner.

The STUMBL (STUdy of the Management of BLunt chest wall trauma) score was developed to assist in clinical decision-making for patients with blunt chest wall trauma. This model includes five risk factors: patient age, the number of rib fractures, chronic lung disease, pre-injury use of anticoagulants, and oxygen saturation levels. Unlike other scoring systems that focus solely on anatomical variables and age, the STUMBL score uniquely incorporates clinical variables such as chronic lung disease and anticoagulation. A huge benefit of the STUMBL score is that these variables are all routinely measured in the ED. The score has reached a sensitivity of 80%, a specificity of 96%, a positive predictive value (PPV) of 93%, and a negative predictive value (NPV) of 86% for predicting complications following blunt chest wall trauma. By integrating essential clinical parameters, the STUMBL score helps clinicians identify patients at high risk for adverse outcomes. Each patient is evaluated based on several risk factors. A final risk score of ≥11 indicates a significant risk of developing complications, and a total risk score exceeding 25 is considered sufficiently high to require admission to the intensive care unit (ICU).

The STUMBL score has shown potential across various healthcare settings. However, its validation in varied populations, especially in low-resource areas, remains limited. In the context of Iraqi EDs, the applicability of the STUMBL score has not been thoroughly investigated. As healthcare systems face challenges related to resource, training, and infrastructure limitations, the integration of evidence-based tools like the STUMBL score could significantly improve patient care. The burden of trauma is compounded by ongoing conflict and limited healthcare resources, leading to an urgent need for effective trauma management protocols. This study aims to evaluate the performance of the STUMBL score among ED patients presenting with blunt thoracic trauma in Iraq.

Conditions

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Chest Trauma

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients presenting to the emergency department with blunt thoracic trauma (e.g., motor vehicle accidents, falls, or direct impacts to the chest).
* Patients who present within 4 hours of sustaining the injury.
* Patients or their legal guardians must provide informed consent to participate in the study.

Exclusion Criteria

* Patients with penetrating chest trauma (e.g., stab wounds, gunshot wounds).
* Patients with other life-threatening injuries that overshadow the thoracic trauma (e.g., head or abdominal trauma).
* Pregnant women due to potential risks related to radiation or certain diagnostic procedures.
* Pediatric patients under 18 years of age.
* Patients with a history of major thoracic surgery (e.g., prior lung or heart surgery) that may interfere with the assessment of trauma severity.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No