Brain Death and Organ Donation in Tunisian Intensive Care Units

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

COMPLETED

Total Enrollment

104 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-11-01

Study Completion Date

2023-11-25

Brief Summary

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The goal of this observational study was to identify factors associated with the progression to brain death in critically ill patients with severe brain injuries in Tunisian intensive care units (ICUs). The main questions it aimed to answer were:

What medical factors (e.g., type of brain injury, ICU stay duration) increased the likelihood of progressing to brain death in these patients?

What patient characteristics (e.g., age, comorbidities) influenced the risk of brain death?

What were the reasons behind low organ donation rates in Tunisia, including family refusal and hospital-level barriers?

Participants were:

Adults with severe coma (Glasgow Coma Scale ≤ 8) requiring mechanical ventilation in Tunisian ICUs.

Data were collected as part of routine medical care, including information about medical factors, patient characteristics, and family attitudes towards organ donation, without any additional interventions beyond standard care.

The study was conducted from November 2022 to November 2023 across three ICUs: Sahloul, Farhat Hached, and Mohamed Taher Maamouri Hospitals.

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Detailed Description

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Background

Brain death (BD) is a legally and medically recognized condition under which organ donation may occur. However, organ donation rates in Tunisia remain low compared to international benchmarks. There is a need to better understand the factors influencing the progression to brain death in ICU patients, as well as the sociocultural and institutional barriers to organ donation in this setting.

Objectives

This study aimed to:

Identify clinical predictors of brain death among critically ill patients with severe brain injuries

Explore reasons for organ donation refusal by families

Identify hospital-level barriers in the organ donation process

Study Design and Setting

This was a prospective observational cohort study conducted between November 2022 and November 2023 in three Tunisian intensive care units:

Sahloul University Hospital (trauma center)

Farhat Hached University Hospital

Mohamed Taher Maamouri Hospital

Participants

Adult patients (≥18 years) admitted with severe coma (Glasgow Coma Scale ≤ 8) requiring mechanical ventilation were included. Patients with terminal illnesses unrelated to brain injury were excluded.

Procedures Data Collection

Data were prospectively collected using a standardized form developed and validated by experts in intensive care and the Tunisian National Centre for Organ Promotion and Transplantation (CNPTO).

The collected variables included:

Demographic information (e.g., age, sex)

Clinical characteristics (e.g., Glasgow Coma Scale on ICU admission, comorbidities, primary diagnosis)

Patient outcomes (e.g., progression to brain death, ICU discharge, or death from other causes)

Length of ICU stay

Organ donation process variables (e.g., whether families were approached, family consent or refusal, organ procurement, reasons for refusal)

Family approaches were conducted by the national transplant coordination team from the CNPTO.

No experimental interventions were applied. All procedures were part of standard ICU care.

Conditions

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Brain Injury Coma Organ Transplants

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Adults ≥18 years admitted to ICU with:

Severe coma (Glasgow Coma Scale ≤8)

Requiring mechanical ventilation

Primary diagnosis of:

Traumatic brain injury (TBI)

Hemorrhagic stroke

Other severe neurological conditions (anoxic brain injury, etc.)

Potential organ donor status (for brain death subgroup):

Meets clinical brain death criteria (absent brainstem reflexes, apnea)