Splanchnic Perfusion Monitoring in Septic Shock Using Doppler Ultrasound
Ориентир для пациента и семьи
Простыми словами
Автоматическая сводка по структурированным данным реестра. Она помогает сориентироваться, но не заменяет официальный протокол или оценку врача.
- Что изучают
- Это наблюдательное исследование: исследуемое лечение участникам по протоколу не назначают.
- Кому может быть актуально
- Состояния в реестре: Septic Shock. Базовые параметры: от 18 лет · Все.
- Что важно проверить
- Возраст, диагноз и пол — только базовые ориентиры. Предыдущее лечение, анализы и другие обязательные условия указаны ниже в критериях участия.
- Где проводится
- Список центров уточняется — проверьте первичный протокол.
- Следующий шаг
- Сохраните исследование, покажите его лечащему врачу и уточните актуальный статус у исследовательского центра. Расходы, документы и поездка →
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Официальное название
Splanchnic Perfusion Monitoring Using Doppler Ultrasound in Septic Shock Patients: Correlation With Lactate Clearance, Organ Dysfunction, and Enteral Feeding Intolerance
Обзор
evaluation whether splanchnic Doppler ultrasound indices (SMA resistive index, portal vein pulsatility fraction, hepatic artery resistive index/flow parameters) can: 1. Reflect regional tissue perfusion in septic shock, as correlated with lactate clearance. 2. Associate with organ dysfunction severity and progression (SOFA dynamics). 3. Predict enteral feeding intolerance in ICU patients receiving enteral nutrition
Подробное описание
Sepsis is a life-threatening condition caused by a dysregulated host response to infection, leading to severe organ dysfunction. Globally, sepsis accounts for approximately 48.9 million cases and 11 million deaths annually.
A central clinical challenge is hemodynamic incoherence, where systemic targets (e.g., mean arterial pressure \[MAP\]) may improve while regional tissue perfusion remains impaired. Conventional systemic markers, including blood lactate clearance and central venous oxygen saturation, reflect global metabolic status and may lag behind microvascular dysfunction within specific organ beds.
The hepatosplanchnic circulation is particularly vulnerable during septic shock and may contribute to progression toward multiple organ failure through a sustained inflammatory cascade. The splanchnic region has been described as the "motor" of multiple organ failure and the "canary" of the body.
Bedside Doppler ultrasound has emerged as a noninvasive tool to assess regional perfusion. Doppler-derived indices such as the resistive index (and related parameters including portal pulsatility fraction) may detect early hemodynamic impairment at the organ-bed level before systemic biomarkers change.
Accordingly, improved bedside perfusion monitoring especially for the splanchnic circulation-may help optimize resuscitation strategy and nutritional management, and may clarify relationships between regional perfusion, organ dysfunction, and enteral feeding tolerance.
Первичные конечные точки
- Association between portal vein PF and SOFA progression [Срок оценки: baseline through 72 hours after ICU admission]
- Lactate clearance (%) at 6 and 24 hours after ICU admission [Срок оценки: baseline through 24 hours after ICU admission]
- Incidence of enteral feeding intolerance within 72 hours after ICU admission [Срок оценки: within 72 hours after ICU admission]
Вторичные конечные точки (3)
- Length of ICU Stay [Срок оценки: From ICU admission until ICU discharge]
- Duration of Vasopressor Therapy [Срок оценки: From ICU admission until discontinuation of vasopressor therapy]
- ICU Mortality [Срок оценки: From ICU admission until ICU discharge]
Критерии участия
Критерии включения
- 1\. Adult patients (≥18 years). 2. ICU admission with septic shock (Sepsis-3 definitions).
Критерии исключения
\- 1. Advanced chronic liver disease. 2. Portal vein thrombosis. 3. Mesenteric ischemia (or clinical suspicion strongly suggesting it). 4. Severe right-sided heart failure. 5. Pregnancy. 6. Morbid obesity or any condition causing poor/unsafe ultrasound acoustic window.
7\. Intra-abdominal conditions preventing adequate Doppler assessment. 8. Limitation of care / do-not-resuscitate orders. 9. Pre-existing major gastrointestinal bleeding/obstruction if that is relevant to enteral feeding intolerance outcomes in your ICU.
Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.
Дизайн исследования
- Модель наблюдения
- Когортное
Центры проведения
Список центров уточняется — проверьте первичный протокол.
Публикации
- ] Singer M, Deutschman CS, Seymour CW, Shankar-Hari M, Annane D, Bauer M, Bellomo R, Bernard GR, Chiche JD, Coopersmith CM, Hotchkiss RS. The third international consensus definitions for sepsis and septic shock (Sepsis-3). Jama. 2016 Feb 23;315(8):801-10. [2] Rudd KE, Johnson SC, Agesa KM, Shackelford KA, Tsoi D, Kievlan DR, Colombara DV, Ikuta KS, Kissoon N, Finfer S, Fleischmann-Struzek C. Glob
Идентификаторы
NCT: NCT07698834 · splanchnic doppler in sepsis