Rheological Functions of Erythrocyte in ESRD
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
- В протоколе указаны: Blood collection, Cardiopulmonary exercise testing (CPET).
- Кому может быть актуально
- Состояния в реестре: End-stage Renal Disease (ESRD). Базовые параметры: от 20 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
- Тайвань
- 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
The Effect of Osmotic Stress in Erythrocyte Rheology in ESRD Patients
Обзор
End-stage renal disease (ESRD) disrupts erythrocyte deformability due to osmotic imbalances, oxidative stress, and uremic toxins, leading to impaired microcirculation and oxygen transport. Dysregulation of ion channels, particularly the Gardos channel, exacerbates dehydration and eryptosis, further compromising vascular integrity. Given the critical role of erythrocyte flexibility in oxygen delivery, this study investigates its relationship with aerobic capacity in ESRD patients, highlighting potential mechanisms of microvascular dysfunction
Подробное описание
End-stage renal disease (ESRD) profoundly alters osmotic homeostasis, disrupting erythrocyte deformability and impairing microcirculatory dynamics, ultimately compromising oxygen delivery to tissues. Persistent oxidative stress, hyperosmotic fluctuations, and accumulation of uremic toxins collectively modulate ion channel activity, particularly by stimulating cation influx and perturbing calcium regulation. These disruptions accelerate erythrocyte aging and promote eryptosis, a programmed form of red blood cell death. Furthermore, dysregulation of the Gardos channel exacerbates potassium efflux, leading to excessive cell dehydration, increased blood viscosity, and further deterioration of vascular integrity. Given the pivotal role of erythrocyte flexibility in oxygen transport efficiency, impairments in osmotic deformability may contribute to the reduced aerobic capacity frequently observed in ESRD patients. This study aims to elucidate the interplay between erythrocyte biomechanical properties and cardiopulmonary fitness in this population, shedding light on potential therapeutic targets to mitigate microvascular dysfunction.
Вмешательства
- Другое Blood collection
Erythrocyte osmotic deformability was evaluated via osmotic gradient ektacytometry. - Другое Cardiopulmonary exercise testing (CPET)
Cardiopulmonary Exercise Testing (CPET) is a non-invasive assessment that evaluates the integrated function of the cardiovascular, pulmonary, and muscular systems during exercise.
Первичные конечные точки
- Deformability of erythrocytes [Срок оценки: Data collection was completed within one week of participant enrollment]
- Aggregation of erythrocytes [Срок оценки: Data collection was completed within one week of participant enrollment]
- Cardiopulmonary fitness [Срок оценки: Data collection was completed within one week of participant enrollment]
Вторичные конечные точки (2)
- Quality of life in ESRD patients [Срок оценки: Data collection was completed within one week of participant enrollment]
- Gardos function [Срок оценки: Data collection was completed within one week of participant enrollment]
Критерии участия
Критерии включения
- Receiving hemodialysis and medication at least for 6 weeks
- Kt/V score > 1.2
Критерии исключения
- Under 20 years-old
- Hyperkalemia occurs within 3 month
- Having orthopedic or muscular diseases
- Other concerned medical, psychological or physiological diseases
- Pregnancy
- Other exercise contraindications
Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.
Здоровые добровольцы: Да
Дизайн исследования
- Модель наблюдения
- Случай-контроль
Центры проведения
Тайвань · 1 центр
- Chang Gung University — Taoyuan
Идентификаторы
NCT: NCT06868888 · 202102279A3102