AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES

Objective: The assessment of clinical testing results of the new intramedullary rod which design features neutralize the disadvantages of conventional blocking devices. Methods: The research involved 15 patients with ununited femoral shafts fractures underwent intramedullary revision osteosynthes...

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Main Authors: P.P. ZUEV, YU.A. BARABASH, I.A. NORKIN, D.V. IVANOV, O.A. KAUTS, K.A. GRAZHDANOV, A.P. BARABASH
Format: Article
Language:English
Published: Avicenna Tajik State Medical University 2021-03-01
Series:Паёми Сино
Subjects:
Online Access:https://doi.org/10.25005/2074-0581-2021-23-1-60-66
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author P.P. ZUEV
YU.A. BARABASH
I.A. NORKIN
D.V. IVANOV
O.A. KAUTS
K.A. GRAZHDANOV
A.P. BARABASH
author_facet P.P. ZUEV
YU.A. BARABASH
I.A. NORKIN
D.V. IVANOV
O.A. KAUTS
K.A. GRAZHDANOV
A.P. BARABASH
author_sort P.P. ZUEV
collection DOAJ
description Objective: The assessment of clinical testing results of the new intramedullary rod which design features neutralize the disadvantages of conventional blocking devices. Methods: The research involved 15 patients with ununited femoral shafts fractures underwent intramedullary revision osteosynthesis with BNB rods. The analysis of surgical management was performed using the standardized system of bone fractures outcomes and their consequences (Standardized Outcome Assessment-1, SOA-1) as well as the modified Radiographic Union Score (mRUS). Results: The examination reveals positive dynamics 2 months after the revision osteosynthesis with BNB rods. The mean rehabilitation rate by the SOA1 was 75.3±0.6 percent, it was 84.0±1.2 percent (p<0.001) in 6 months after the surgery and 90.8±2.7 percent (p>0.05) by the 12th month. Considering mRUS scores, the degree of consolidation of the femoral fracture in patients 2 months after surgery using the BNB rod corresponded to 5.0±0.2 points, to 13.3±0.8 points (p<0.001) in 6 months and to 14.8±1.0 points (p>0.05) by the 12th month. In 1 case (6.7%) out of 15, no union of the fractured fragments was observed. Conclusion: The technical solutions implemented in the BNB intramedullary rod contribute to the autodynamization of the bone-implant system under the action of a controlled load and muscle power on the limb without additional surgical interventions, which makes it possible to shorten the rehabilitation period for patients, resulting in the reduction of treatment expenses for this cohort of patients.
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spelling doaj.art-74d53388eee645d690b98c7676ba94e42023-06-15T17:14:00ZengAvicenna Tajik State Medical UniversityПаёми Сино2074-05812959-63272021-03-01231606610.25005/2074-0581-2021-23-1-60-66AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIESP.P. ZUEV0YU.A. BARABASH1I.A. NORKIN2D.V. IVANOV3O.A. KAUTS4K.A. GRAZHDANOV5A.P. BARABASH6Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationScientific Research Institute of Traumatology, Orthopedics and Neurosurgery, V.I. Razumovsky Saratov State Medical University, Saratov, Russian FederationObjective: The assessment of clinical testing results of the new intramedullary rod which design features neutralize the disadvantages of conventional blocking devices. Methods: The research involved 15 patients with ununited femoral shafts fractures underwent intramedullary revision osteosynthesis with BNB rods. The analysis of surgical management was performed using the standardized system of bone fractures outcomes and their consequences (Standardized Outcome Assessment-1, SOA-1) as well as the modified Radiographic Union Score (mRUS). Results: The examination reveals positive dynamics 2 months after the revision osteosynthesis with BNB rods. The mean rehabilitation rate by the SOA1 was 75.3±0.6 percent, it was 84.0±1.2 percent (p<0.001) in 6 months after the surgery and 90.8±2.7 percent (p>0.05) by the 12th month. Considering mRUS scores, the degree of consolidation of the femoral fracture in patients 2 months after surgery using the BNB rod corresponded to 5.0±0.2 points, to 13.3±0.8 points (p<0.001) in 6 months and to 14.8±1.0 points (p>0.05) by the 12th month. In 1 case (6.7%) out of 15, no union of the fractured fragments was observed. Conclusion: The technical solutions implemented in the BNB intramedullary rod contribute to the autodynamization of the bone-implant system under the action of a controlled load and muscle power on the limb without additional surgical interventions, which makes it possible to shorten the rehabilitation period for patients, resulting in the reduction of treatment expenses for this cohort of patients.https://doi.org/10.25005/2074-0581-2021-23-1-60-66ununited fructurefemoral boneintramedullary osteosynthesisfalse joint
spellingShingle P.P. ZUEV
YU.A. BARABASH
I.A. NORKIN
D.V. IVANOV
O.A. KAUTS
K.A. GRAZHDANOV
A.P. BARABASH
AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
Паёми Сино
ununited fructure
femoral bone
intramedullary osteosynthesis
false joint
title AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
title_full AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
title_fullStr AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
title_full_unstemmed AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
title_short AUTO-DYNAMIC INTRAMEDULLARY OSTEOSYNTHESIS FOR FEMUR FRACTURES AND CONSEQUENCES OF INJURIES
title_sort auto dynamic intramedullary osteosynthesis for femur fractures and consequences of injuries
topic ununited fructure
femoral bone
intramedullary osteosynthesis
false joint
url https://doi.org/10.25005/2074-0581-2021-23-1-60-66
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