Background Acute treatment for distal radius fractures, the most frequent fractures in the pediatric population, represents a challenge to the orthopedic surgeon. Deciding on surgical restoration of the alignment or cast immobilization without reducing the fracture is a complex concern given the remodeling potential of bones in children. In addition, the lack of evidence-based safe boundaries of shortening and angulation, that will not jeopardize upper-extremity functionality in the future, further complicates this decision. Objective The authors aim to measure functional outcomes, assessed using the Patient-Reported Outcomes Measurement Information System (PROMIS) Pediatric Physical Function v2.0 instrument. The authors hypothesize that outcomes will not be worse in children treated with cast immobilization in situ compared with those treated with closed reduction with or without percutaneous fixation. The authors also aim to compare the following as secondary outcomes: ulnar variance and fracture alignment in the sagittal and coronal planes, range of motion, pressure ulcers, pain control, radius osteotomy due to deformity, pseudoarthrosis cure, and remanipulation. Methods This is the protocol of a randomized noninferiority trial comparing upper-extremity functionality in children aged 5 to 10 years, after sustaining a distal radius fracture, treated with either cast immobilization in situ or closed reduction with or without fixation in a single orthopedic hospital. Functional follow-up is projected at 6 months, while clinical and radiographic follow-up will occur at 2 weeks, 3 months, and 9 months. Results Recruitment commenced in July 2021. As of January 2022, 23 children have been randomized. Authors expect an average of 5 patients to be recruited monthly; therefore, recruitment and analysis should be complete by October 2024. Conclusions This experimental design that addresses upper-extremity functionality after cast immobilization in situ in children who have sustained a distal fracture of the radius may yield compelling information that could aid the clinician in deciding on the most suitable orthopedic treatment. Trial Registration ClinicalTrials.gov NCT05008029; https://clinicaltrials.gov/ct2/show/NCT05008029 International Registered Report Identifier (IRRID) DERR1-10.2196/34576
Purpose spasticity is the result of a variety of lesions to the central nervous system and one of the most common causes of disability worldwide. Selective peripheral neurectomy (SPN) is a surgical procedure that permanently decreases focal spasticity. Authors’ objective is to provide recommendations, in terms of probabilities, for locating terminal motor entry points to muscles of the thigh, as alternatives for proximal incision sites to SPN. Methods the femoral, obturator, and sciatic nerves, and its corresponding motor rami, were systematically dissected on cadaveric specimens, and terminal motor entry points to each muscle of the thigh were located and carefully measured, relative to the length of the thigh. Measurement distributions were obtained and normal transformations were used when necessary. Results in 23 adult cadaveric specimens, 779 motor rami were dissected. Entry points locations are presented as a percentage of the length of the thigh in means and standard deviations, which roughly corresponds to 64 and 95% probability of finding a motor entry point. Conclusion Alternative incisions directly over the motor entry points, for the muscles of the thigh, may be helpful when considering SPN as treatment for focal spasticity. A prior degree of certainty of the location of the nerve to be severed, may simplify surgical approach.
Purpose spasticity is the result of a variety of lesions to the central nervous system and one of the most common causes of disability worldwide. Selective peripheral neurectomy (SPN) is a surgical procedure that permanently decreases focal spasticity. Authors' objective is to provide recommendations, in terms of probabilities, for locating terminal motor entry points to muscles of the thigh, as alternatives for proximal incision sites to SPN. Methodsthe femoral, obturator, and sciatic nerves, and its corresponding motor rami, were systematically dissected on cadaveric specimens, and terminal motor entry points to each muscle of the thigh were located and carefully measured, relative to the length of the thigh. Measurement distributions were obtained and normal transformations were used when necessary. Resultsin 23 adult cadaveric specimens, 779 motor rami were dissected. Entry points locations are presented as a percentage of the length of the thigh in means and standard deviations, which roughly corresponds to 64 and 95% probability of nding a motor entry point. ConclusionAlternative incisions directly over the motor entry points, for the muscles of the thigh, may be helpful when considering SPN as treatment for focal spasticity. A prior degree of certainty of the location of the nerve to be severed, may simplify surgical approach.
BACKGROUND Acute treatment for distal radius fractures, the most frequent fractures in the pediatric population, represents a challenge to the orthopedic surgeon. Deciding on surgical restoration of the alignment or cast immobilization without reducing the fracture is a complex concern given the remodeling potential of bones in children. In addition, the lack of evidence-based safe boundaries of shortening and angulation, that will not jeopardize upper-extremity functionality in the future, further complicates this decision. OBJECTIVE The authors aim to measure functional outcomes, assessed using the Patient-Reported Outcomes Measurement Information System (PROMIS) Pediatric Physical Function v2.0 instrument. The authors hypothesize that outcomes will not be worse in children treated with cast immobilization in situ compared with those treated with closed reduction with or without percutaneous fixation. The authors also aim to compare the following as secondary outcomes: ulnar variance and fracture alignment in the sagittal and coronal planes, range of motion, pressure ulcers, pain control, radius osteotomy due to deformity, pseudoarthrosis cure, and remanipulation. METHODS This is the protocol of a randomized noninferiority trial comparing upper-extremity functionality in children aged 5 to 10 years, after sustaining a distal radius fracture, treated with either cast immobilization in situ or closed reduction with or without fixation in a single orthopedic hospital. Functional follow-up is projected at 6 months, while clinical and radiographic follow-up will occur at 2 weeks, 3 months, and 9 months. RESULTS Recruitment commenced in July 2021. As of January 2022, 23 children have been randomized. Authors expect an average of 5 patients to be recruited monthly; therefore, recruitment and analysis should be complete by October 2024. CONCLUSIONS This experimental design that addresses upper-extremity functionality after cast immobilization in situ in children who have sustained a distal fracture of the radius may yield compelling information that could aid the clinician in deciding on the most suitable orthopedic treatment. CLINICALTRIAL ClinicalTrials.gov NCT05008029; https://clinicaltrials.gov/ct2/show/NCT05008029 INTERNATIONAL REGISTERED REPORT DERR1-10.2196/34576
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