- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT07610356
Predictors of Transmural Non-Occlusive Mesenteric Ischemia in ICU Patients With Suspected Acute Mesenteric Ischemia (AMESI-EST)
Mesenteric Ischemia in the ICU: A Prospective Observational Study Across Estonian Regional Hospitals
Acute mesenteric ischemia (AMI) is a rare but life-threatening condition associated with high mortality and major diagnostic challenges due to nonspecific clinical presentation and limited reliable biomarkers. Critically ill patients in the intensive care unit (ICU) are at particularly high risk of non-occlusive mesenteric ischemia (NOMI), a subtype of AMI characterized by impaired mesenteric perfusion without large-vessel occlusion. Despite advances in imaging, the diagnosis of NOMI remains difficult, and data specifically focusing on ICU patients with suspected AMI are limited.
This prospective observational multicenter study aims to identify independent predictors of transmural NOMI among ICU patients with suspected AMI. In addition, the study will describe demographics, comorbidities, clinical presentation, laboratory findings, diagnostic imaging, management strategies, and outcomes among ICU patients with NOMI, other forms of AMI, and patients with suspected but unconfirmed AMI. Consecutive adult ICU patients in whom clinical suspicion of AMI arises during ICU stay will be included across Estonian regional hospitals. The study is a local continuation of the international AMESI study, with a specific focus on critically ill ICU patients.
Přehled studie
Postavení
Intervence / Léčba
Typ studie
Zápis (Odhadovaný)
Kontakty a umístění
Studijní místa
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Tallinn
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Tallinn, Tallinn, Estonsko, 13419
- Nábor
- North Estonia Medical Centre
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Kontakt:
- Olga Kiss, MD
- Telefonní číslo: +372 617 1300
- E-mail: Olga.Kiss@regionaalhaigla.ee
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Tartu
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Tartu, Tartu, Estonsko, 50406
- Nábor
- Tartu University Hospital
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Kontakt:
- Vladislav Mihnovitš, MD
- Telefonní číslo: +372 7318111
- E-mail: vladislav.mihnovits@kliinikum.ee
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Metoda odběru vzorků
Studijní populace
Popis
Inclusion criteria
- Adult ICU patients in whom clinical suspicion of acute mesenteric ischemia is raised during their ICU stay.
Exclusion criteria
- Patients who develop acute mesenteric ischemia outside of the intensive care unit,
- Confirmed strangulating bowel obstruction,
- Individuals younger than 18 years,
- Chronic mesenteric ischemia without an acute event.
Studijní plán
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
Intervence / Léčba |
|---|---|
|
Patients with suspected acute mesenteric ischemia in the ICU
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This is a prospective observational study on ICU patients with the suspicion of acute mesenteric ischemia.
No intervention is done.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Predictors of transmural necrosis in NOMI - age-adjusted Charlson comorbidity index
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - age-adjusted Charlson comorbidity index (Range 0 - 37 points). A higher score indicates a higher chance of 10-year mortality. |
Baseline
|
|
Predictors of transmural necrosis in NOMI patients - SOFA score
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Sequential Organ Failure Assessment (SOFA) score (Range 0 - 24 points). Higher scores indicate more severe organ dysfunction. |
Baseline
|
|
Predictors of transmural necrosis in NOMI patients - GRV
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Gastric residual volume (GRV) greater than 500 ml at any point within the 48 hours prior to the suspicion of acute mesenteric ischemia (AMI) will be recorded as a Yes or No variable. A high GRV indicates feeding intolerance, which may suggest non-occlusive mesenteric ischemia. This is a retrospective variable. After a patient is enrolled in the study, the patient's ICU datasheet will be retrospectively analyzed to determine if there was a GRV above 500 ml. If such an event occurred within the 48 hours prior to inclusion, the variable will be considered positive (Yes); if not, it will be considered negative (No). |
Baseline
|
|
Predictors of transmural ischemia in NOMI patients - bloody stool.
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Presence of bloody stool. Yes or No variable. Bloody stool might indicate gastrointestinal ischemia. |
Baseline
|
|
Predictors of transmural ischemia in NOMI patients - cardiac arrest.
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Cardiac arrest. Yes or No variable. If the patient was hospitalised due to cardiac arrest, then Yes, if not, then No. Cardiac arrest is a risk factor for developing NOMI. |
Baseline
|
|
Predictors of transmural ischemia in NOMI patients - RRT
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Need for renal replacement therapy (RRT) prior to suspicion of AMI. The variable is a Yes or No question. Once a patient is enrolled in the study, a retrospective analysis of their data sheet will be conducted to determine if the patient received renal replacement therapy (RRT) during their hospital stay prior to their inclusion in the study. RRT is a risk factor for developing non-occlusive mesenteric ischemia. |
Baseline
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|
Predictors of transmural ischemia in NOMI patients - WBC.
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Highest White blood cell (WBC) levels within 72 hours prior to suspicion of acute mesenteric ischemia. Units: 10*12 /L. The highest WBC value within the 72 hours prior to suspicion of AMI will be recorded. Higher values indicate a more severe inflammatory response. |
Baseline
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Predictors of transmural ischemia in NOMI patients - CRP
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - C-reactive protein (CRP). Units: mg/L. The highest CRP value within the 72 hours prior to suspicion of AMI will be recorded. Higher values indicate a severe inflammatory response. |
Baseline
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Predictors of transmural ischemia in NOMI patients - lactate
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Highest lactate value. Units: mmol/L. The highest lactate value within the 12 hours prior to suspicion of AMI will be recorded. Higher values indicate worse tissue perfusion. |
Baseline
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Predictors of transmural ischemia in NOMI patients - pneumatosis intestinalis
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Pneumatosis intestinalis. Yes or No variable.In patients suspected of acute mesenteric ischemia, the presence of pneumatosis intestinalis observed on computed tomography will be documented. The presence of pneumatosis intestinalis can indicate mesenteric ischemia. |
Baseline
|
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Predictors of transmural ischemia in NOMI patients - bowel wall enhancement
Časové okno: Baseline
|
To identify independent predictors of transmural necrosis in patients with non-occlusive mesenteric ischemia. Variable: - Decreased bowel wall enhancement on the computed tomography. Yes or No variable. In patients suspected of acute mesenteric ischemia, the decrease in bowel wall enhancement observed on computed tomography will be documented. The decrease in bowel wall enhancement on CT can indicate mesenteric ischemia. |
Baseline
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
CT findings in patients with suspected AMI
Časové okno: Baseline
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Computed tomography variables in patients with suspicion of acute mesenteric ischemia will be analysed. Variables:
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Baseline
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Management of AMI patients
Časové okno: Baseline
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Rate of surgical, conservative, endovascular or palliative management
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Baseline
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30-day survival
Časové okno: 30 days after admission
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30-day Survival of patients with suspicion of acute mesenteric ischemia in the ICU
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30 days after admission
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90-day survival
Časové okno: 90 days after admission
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90-day Survival of patients with suspicion of acute mesenteric ischemia in the ICU
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90 days after admission
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Spolupracovníci a vyšetřovatelé
Sponzor
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Odhadovaný)
Dokončení studie (Odhadovaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- AMESI-EST
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