The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults

Abstract Background There is no consensus concerning the optimal casting technique for displaced distal radius fractures (DRFs) following closed reduction. This study evaluates whether a splint or a circumferential cast is most optimal to prevent fracture redisplacement in adult patients with a redu...

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Main Authors: Britt Barvelink, Max Reijman, Niels W. L. Schep, Vanessa Brown, Gerald A. Kraan, Taco Gosens, Suzanne Polinder, Erwin Ista, Jan A. N. Verhaar, Joost W. Colaris, on behalf of the CAST study group
Format: Article
Language:English
Published: BMC 2021-04-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12891-021-04238-0
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author Britt Barvelink
Max Reijman
Niels W. L. Schep
Vanessa Brown
Gerald A. Kraan
Taco Gosens
Suzanne Polinder
Erwin Ista
Jan A. N. Verhaar
Joost W. Colaris
on behalf of the CAST study group
author_facet Britt Barvelink
Max Reijman
Niels W. L. Schep
Vanessa Brown
Gerald A. Kraan
Taco Gosens
Suzanne Polinder
Erwin Ista
Jan A. N. Verhaar
Joost W. Colaris
on behalf of the CAST study group
author_sort Britt Barvelink
collection DOAJ
description Abstract Background There is no consensus concerning the optimal casting technique for displaced distal radius fractures (DRFs) following closed reduction. This study evaluates whether a splint or a circumferential cast is most optimal to prevent fracture redisplacement in adult patients with a reduced DRF. Additionally, the cost-effectiveness of both cast types will be calculated. Methods/design This multicenter cluster randomized controlled trial will compare initial immobilization with a circumferential below-elbow cast versus a below-elbow plaster splint in reduced DRFs. Randomization will take place on hospital-level (cluster, n = 10) with a cross-over point halfway the inclusion of the needed number of patients per hospital. Inclusion criteria comprise adult patients (≥ 18 years) with a primary displaced DRF which is treated conservatively after closed reduction. Multiple trauma patients (Injury Severity Score ≥ 16), concomitant ulnar fractures (except styloid process fractures) and patients with concomitant injury on the ipsilateral arm or inability to complete study forms will be excluded. Primary study outcome is fracture redisplacement of the initial reduced DRF. Secondary outcomes are patient-reported outcomes assessed with the Disability Arm Shoulder Hand score (DASH) and Patient-Rated Wrist Evaluation score (PRWE), comfort of the cast, quality of life assessed with the EQ-5D-5L questionnaire, analgesics use, cost-effectiveness and (serious) adverse events occurence. In total, 560 patients will be included and followed for 1 year. The estimated time required for inclusion will be 18 months. Discussion The CAST study will provide evidence whether the type of cast immobilization is of influence on fracture redisplacement in distal radius fractures. Extensive follow-up during one year concerning radiographic, functional and patient reported outcomes will give a broad view on DRF recovery. Trial registration Registered in the Dutch Trial Registry on January 14th 2020. Registration number: NL8311 .
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spelling doaj.art-dad4abe31eed41749ad5e3080b181ba92022-12-21T23:19:15ZengBMCBMC Musculoskeletal Disorders1471-24742021-04-012211910.1186/s12891-021-04238-0The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adultsBritt Barvelink0Max Reijman1Niels W. L. Schep2Vanessa Brown3Gerald A. Kraan4Taco Gosens5Suzanne Polinder6Erwin Ista7Jan A. N. Verhaar8Joost W. Colaris9on behalf of the CAST study groupDepartment of Orthopedic Surgery, Erasmus MC, University Medical Center RotterdamDepartment of Orthopedic Surgery, Erasmus MC, University Medical Center RotterdamDepartment of Trauma Surgery, Maasstad HospitalDepartment of Emergency Medicine, Franciscus HospitalDepartment of Orthopedic Surgery, Reinier de Graaf GasthuisDepartment of Orthopedic Surgery, Elisabeth-Tweesteden HospitalDepartment of Public Health, Erasmus MC, University Medical Center RotterdamDepartment of Internal Medicine – Nursing Science, Erasmus MC, University Medical Center RotterdamDepartment of Orthopedic Surgery, Erasmus MC, University Medical Center RotterdamDepartment of Orthopedic Surgery, Erasmus MC, University Medical Center RotterdamAbstract Background There is no consensus concerning the optimal casting technique for displaced distal radius fractures (DRFs) following closed reduction. This study evaluates whether a splint or a circumferential cast is most optimal to prevent fracture redisplacement in adult patients with a reduced DRF. Additionally, the cost-effectiveness of both cast types will be calculated. Methods/design This multicenter cluster randomized controlled trial will compare initial immobilization with a circumferential below-elbow cast versus a below-elbow plaster splint in reduced DRFs. Randomization will take place on hospital-level (cluster, n = 10) with a cross-over point halfway the inclusion of the needed number of patients per hospital. Inclusion criteria comprise adult patients (≥ 18 years) with a primary displaced DRF which is treated conservatively after closed reduction. Multiple trauma patients (Injury Severity Score ≥ 16), concomitant ulnar fractures (except styloid process fractures) and patients with concomitant injury on the ipsilateral arm or inability to complete study forms will be excluded. Primary study outcome is fracture redisplacement of the initial reduced DRF. Secondary outcomes are patient-reported outcomes assessed with the Disability Arm Shoulder Hand score (DASH) and Patient-Rated Wrist Evaluation score (PRWE), comfort of the cast, quality of life assessed with the EQ-5D-5L questionnaire, analgesics use, cost-effectiveness and (serious) adverse events occurence. In total, 560 patients will be included and followed for 1 year. The estimated time required for inclusion will be 18 months. Discussion The CAST study will provide evidence whether the type of cast immobilization is of influence on fracture redisplacement in distal radius fractures. Extensive follow-up during one year concerning radiographic, functional and patient reported outcomes will give a broad view on DRF recovery. Trial registration Registered in the Dutch Trial Registry on January 14th 2020. Registration number: NL8311 .https://doi.org/10.1186/s12891-021-04238-0FractureBoneDistal radius fractureCastSplintFracture displacement
spellingShingle Britt Barvelink
Max Reijman
Niels W. L. Schep
Vanessa Brown
Gerald A. Kraan
Taco Gosens
Suzanne Polinder
Erwin Ista
Jan A. N. Verhaar
Joost W. Colaris
on behalf of the CAST study group
The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
BMC Musculoskeletal Disorders
Fracture
Bone
Distal radius fracture
Cast
Splint
Fracture displacement
title The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
title_full The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
title_fullStr The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
title_full_unstemmed The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
title_short The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
title_sort cast study protocol a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
topic Fracture
Bone
Distal radius fracture
Cast
Splint
Fracture displacement
url https://doi.org/10.1186/s12891-021-04238-0
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