Safety and efficacy of ultrasonography of tension after zone II flexor tendon repair : A randomized controlled trial
Copyright © 2024. Published by Elsevier Inc..
BACKGROUND: Primary flexor tendon repairs of lacerations in zone II of the hand are fraught with problems. Traditionally, exercise (active and passive), orthoses, and physical agents are common interventions for the rehabilitation of patients experiencing these issues. One area of focus in this field is how to safely utilize tension to lengthen gliding distance following zone II injury. Finding effective solutions in this area is a key priority for improving patient outcomes and quality of life.
PURPOSE: To identify the optimal immobilization position that meets safety standards for tension and is the most efficient, and consequently, to validate our clinical effectiveness.
STUDY DESIGN: A cross-sectional study was adopted for the first part of the research (Research 1). A prospective, parallel, 2-group, randomized trial was conducted with concealed allocation and single blinding in the second part of the research (Research 2).
METHODS: A total of 60 healthy adults were recruited to select the best-fit protective immobilization position in Research 1, which was confirmed by tendon tension (via Young's modulus) and excursion (via gliding distance). We then randomly assigned 45 patients after zone II flexor tendon repair into two groups in Research 2 to compare functional outcomes. The control group underwent the conventional modified Duran protocol with early passive motion, while the experimental group received the protocol (optimized by Research 1) with early active motion. Ultrasonography was used to measure the tension and excursion of the flexor tendons. The outcomes measured at 16 weeks post-repair included total active motion, strength, the Disabilities of the Arm, Shoulder and Hand, and Strickland scores.
RESULTS: Three participants were unable to participate in Research 2 due to medical issues and poor attendance. The investigation found that the safe tendon threshold was 345.09 ± 87.74 kPa for partial active digital motion among the 60 participants. The optimal immobilization position requires the wrist to be neutral with a flexion angle of 30° at the metacarpophalangeal joint. The grip strengths (p = 0.012), ratio of grip strength (p = 0.015), the Disabilities of the Arm, Shoulder and Hand (p = 0.036), and total active motion (p = 0.023) differed significantly between the two groups.
CONCLUSIONS: Protective immobilization of the wrist in a neutral flexion position and with the metacarpophalangeal joint flexed at 30° can secure the repaired flexor tendon safely and efficiently. The effects of an early active motion protocol may improve the grip strength and upper limb mobility of individuals after zone II flexor tendon repair.
CLINICAL TRIAL REGISTRATION: ChiCTR2000030592.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Journal of hand therapy : official journal of the American Society of Hand Therapists - 36(2023), 4 vom: 05. Okt., Seite 786-795 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Ying [VerfasserIn] |
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| Links: |
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| Themen: |
Early medical intervention |
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| Anmerkungen: |
Date Completed 08.01.2024 Date Revised 08.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jht.2023.05.012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM360968589 |
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| 100 | 1 | |a Wang, Ying |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Safety and efficacy of ultrasonography of tension after zone II flexor tendon repair |b A randomized controlled trial |
| 264 | 1 | |c 2023 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 08.01.2024 | ||
| 500 | |a Date Revised 08.01.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2024. Published by Elsevier Inc. | ||
| 520 | |a BACKGROUND: Primary flexor tendon repairs of lacerations in zone II of the hand are fraught with problems. Traditionally, exercise (active and passive), orthoses, and physical agents are common interventions for the rehabilitation of patients experiencing these issues. One area of focus in this field is how to safely utilize tension to lengthen gliding distance following zone II injury. Finding effective solutions in this area is a key priority for improving patient outcomes and quality of life | ||
| 520 | |a PURPOSE: To identify the optimal immobilization position that meets safety standards for tension and is the most efficient, and consequently, to validate our clinical effectiveness | ||
| 520 | |a STUDY DESIGN: A cross-sectional study was adopted for the first part of the research (Research 1). A prospective, parallel, 2-group, randomized trial was conducted with concealed allocation and single blinding in the second part of the research (Research 2) | ||
| 520 | |a METHODS: A total of 60 healthy adults were recruited to select the best-fit protective immobilization position in Research 1, which was confirmed by tendon tension (via Young's modulus) and excursion (via gliding distance). We then randomly assigned 45 patients after zone II flexor tendon repair into two groups in Research 2 to compare functional outcomes. The control group underwent the conventional modified Duran protocol with early passive motion, while the experimental group received the protocol (optimized by Research 1) with early active motion. Ultrasonography was used to measure the tension and excursion of the flexor tendons. The outcomes measured at 16 weeks post-repair included total active motion, strength, the Disabilities of the Arm, Shoulder and Hand, and Strickland scores | ||
| 520 | |a RESULTS: Three participants were unable to participate in Research 2 due to medical issues and poor attendance. The investigation found that the safe tendon threshold was 345.09 ± 87.74 kPa for partial active digital motion among the 60 participants. The optimal immobilization position requires the wrist to be neutral with a flexion angle of 30° at the metacarpophalangeal joint. The grip strengths (p = 0.012), ratio of grip strength (p = 0.015), the Disabilities of the Arm, Shoulder and Hand (p = 0.036), and total active motion (p = 0.023) differed significantly between the two groups | ||
| 520 | |a CONCLUSIONS: Protective immobilization of the wrist in a neutral flexion position and with the metacarpophalangeal joint flexed at 30° can secure the repaired flexor tendon safely and efficiently. The effects of an early active motion protocol may improve the grip strength and upper limb mobility of individuals after zone II flexor tendon repair | ||
| 520 | |a CLINICAL TRIAL REGISTRATION: ChiCTR2000030592 | ||
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Early medical intervention | |
| 650 | 4 | |a Flexor tendon | |
| 650 | 4 | |a Gliding distance | |
| 650 | 4 | |a Physical immobilization | |
| 650 | 4 | |a Tendon injuries | |
| 650 | 4 | |a Ultrasonography | |
| 650 | 4 | |a Young’s modulus | |
| 700 | 1 | |a Qian, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zhen-Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Jia-Ni |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Wei-Xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xin-Hao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yan-Wen |e verfasserin |4 aut | |
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