- ICH GCP
- Rejestr badań klinicznych w USA
- Badanie kliniczne NCT07648550
Effect of Blood Flow Restriction Training on Quadriceps Muscle Architecture and Functional Abilities in Children With Hemiplegia
This study was done to investigate the effect of blood flow restriction in the lower limbs on:
Strength of the quadriceps muscle, quadriceps muscle architecture (muscle thickness and pennation angle between muscle fibres), selective motor control of the lower limb in the affected limb, and gait parameters.
Przegląd badań
Status
Warunki
Interwencja / Leczenie
Szczegółowy opis
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Nie dotyczy
Kontakty i lokalizacje
Lokalizacje studiów
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Al Mansurah, Egipt
- outpatient clinics of General Hospitals in Dakahlia governorate.
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
- Dziecko
Akceptuje zdrowych ochotników
Opis
Inclusion Criteria:
- Hemiplegic cerebral palsied children.
- The children age will be ranges from 3-8 years chronologically.
- The children will have degree of spasticity ranged from 1 to 2 on Modified Ashworth Scale
- The children will have Level I according to the Gross Motor Function Classification System.
- All children will be able to follow instructions.
Exclusion Criteria:
children were excluded from the study if they have any problems of the following:
- Cognitive dysfunction.
- Recent nonunion fracture.
- Fixed contractures and deformities.
- Previous surgery and Impaired circulation of that lower limb.
- Received Botulinum toxin A injections in the last six months.
- Children suffers from Peripheral Arterial and venous Diseases in the hemiplegic limb.
- Children suffering from uncontrolled convulsions.
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Pojedynczy
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
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Aktywny komparator: selected physical therapy program
Children in the control group will receive the selected physical therapy (PT) program one hour three times weekly for eight successive weeks
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The physical therapy program includes passive stretching exercises for the lower limb to enhance range of motion (ROM) in children with cerebral palsy (CP), transition training from sitting to standing to improve postural control, and core stability exercises to boost trunk endurance and gait.
Reactive balance training aims to improve children's postural response organization, while various walking training methods, including treadmill and obstacle walking, focus on enhancing gait speed, balance, and postural stability.
Overall, the program is designed to address specific impairments and activity limitations in children with hemiplegic CP.
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Eksperymentalny: selected physical therapy program and Blood Flow Restriction
This group will receive the selected physical therapy program as group (A) in addition to blood flow restriction on the upper thigh.
Training Frequency will be one hour for 2-3 times a week for 8 weeks
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The physical therapy program includes passive stretching exercises for the lower limb to enhance range of motion (ROM) in children with cerebral palsy (CP), transition training from sitting to standing to improve postural control, and core stability exercises to boost trunk endurance and gait.
Reactive balance training aims to improve children's postural response organization, while various walking training methods, including treadmill and obstacle walking, focus on enhancing gait speed, balance, and postural stability.
Overall, the program is designed to address specific impairments and activity limitations in children with hemiplegic CP.
This group will undergo a physical therapy program incorporating Blood Flow Restriction therapy on the upper thigh.
The training will consist of one hour sessions, 2-3 times a week for 8 weeks.
The load applied will be 20-40% of One-repetition maximum (1RM), with 5-10 minutes of restriction time per exercise set.
Each session will include 4 sets, totaling 75 repetitions (30 × 15 × 15 × 15), along with reperfusion between sets.
Pressure application will be 40-80% of arterial occlusion pressure (AOP), with rest periods of 30-60 seconds between sets.
The restriction form will be continuous, with an execution speed of 1-2 seconds for each exercise, continuing until the planned repetitions are completed.
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
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Assessment of muscle architecture
Ramy czasowe: at baseline and after 8 weeks
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One method to evaluate muscle function and morphology is through skeletal muscle architecture analysis, which examines the geometric arrangement of muscle fibers using non-invasive ultrasound techniques.
Key parameters include muscle thickness, which correlates with strength, and pennation angle, which affects force transmission to tendons.
Measurements are conducted with participants supine, allowing stabilization, and involve high-quality ultrasound imaging (B-mode) for consistent results.
An experienced researcher measures muscle thickness and pennation angle using standardized protocols and software for analysis, ensuring accuracy across assessments.
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at baseline and after 8 weeks
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Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
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Assessment of muscle strength
Ramy czasowe: at baseline and after 8 weeks
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The isometric strength of knee extensor muscles will be measured using a handheld dynamometer, with a standardized position.
A 'make' test will require participants to exert maximum effort against a constant resistance for 3 to 5 seconds.
Children will be positioned with the dynamometer on the anterior tibia, while seated with knees and hips flexed at 90 degrees.
Each child will have two practice trials before performing three trials, receiving strong encouragement to maximize force output, which will be recorded.
If a participant cannot effectively isolate the muscle group or generate sufficient force, a zero score will be noted.
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at baseline and after 8 weeks
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Assessment of selective motor control
Ramy czasowe: at baseline and after 8 weeks
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The Scale evaluates five reciprocal lower extremity movements: hip flexion-extension, knee flexion-extension, ankle dorsiflexion-plantar flexion, subtalar inversion-eversion, and toe flexion/extension.
The hip test is performed in a side-lying position, while the others are conducted in a seated position.
Each movement is passively executed by the tester using a three-second verbal cadence.
Each limb is assessed separately, focusing on selective joint movement and avoiding extraneous motions.
Movements are scored on a scale of 0-2: 2 (Normal) for complete movements within the cadence, 1 (Impaired) for partial isolated movements or deviations, and 0 (Unable) for lack of movement initiation.
The total score per limb can reach a maximum of 10.
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at baseline and after 8 weeks
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Assessment of gait
Ramy czasowe: at baseline and after 8 weeks
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The observational gait scale will be used to analyze typical walk viewed on split-screen video in slow motion.
The children will be instructed to walk, and videos will be taken from the side.
Children will be videotaped, six sections will be tested to evaluate knee and ankle kinematics (Knee position in mid stance, Initial foot contact, Foot contact at mid stance, Base of support, Gait assistive devices, degree of change) with a total score of 22 on each limb.
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at baseline and after 8 weeks
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Współpracownicy i badacze
Sponsor
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów (Rzeczywisty)
Zakończenie podstawowe (Rzeczywisty)
Ukończenie studiów (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Rzeczywisty)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- Ibrahim-Msc
Informacje o lekach i urządzeniach, dokumenty badawcze
Bada produkt leczniczy regulowany przez amerykańską FDA
Bada produkt urządzenia regulowany przez amerykańską FDA
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