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Maulet T, Bonnyaud C, Weill C, Laforêt P, Cattagni T. Motor Function Characteristics of Adults With Late-Onset Pompe Disease: A Systematic Scoping Review. Neurology 2023; 100:e72-e83. [PMID: 36302669 DOI: 10.1212/wnl.0000000000201333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 08/16/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Pompe disease is a rare neuromuscular disease caused by a deficiency of the lysosomal enzyme acid α-glucosidase. The late-onset Pompe disease (LOPD) in adults is characterized by weakness of ventilatory, axial, and proximal extremity muscles. These muscle impairments progressively impair various motor functions such as locomotion and postural control. Nearly 87% of adults with LOPD (aLOPD) report walking problems, and more than 80% report instability and falls. Knowledge of these motor functions is now sufficient to provide a clear and comprehensive overview of motor function in aLOPD. Therefore, this scoping review aimed to summarize current knowledge about motor function in aLOPD. It specifically targeted neuromuscular performance, locomotion, and postural control. METHODS A systematic search in MEDLINE (through PubMed), EMBASE, and Cochrane databases was conducted until May 2021. We included studies providing primary data on at least 4 participants, exploring neuromuscular performance, locomotion, and/or postural control in aLOPD. Risk of bias analysis was assessed using tools appropriate to the study designs; the risk of bias 2 (Cochrane tool) for randomized controlled trials, risk of bias in Nonrandomized Studies - of Interventions (Cochrane tool) for nonrandomized interventional trials, and the Newcastle-Ottawa Scale for cohort studies and case-control studies. RESULTS The search identified 2,885 articles. After screening, 58 articles were included in the analysis. In these studies, 88% explored locomotion, 83% neuromuscular performance, and 3% postural control. This review showed that aLOPD experience symmetrical weakness, concerning especially the hip and lumbar muscles. Locomotor activities are limited with a distance reduction, spatiotemporal gait parameter modification, and an increased pelvic drop and tilt. Balance disorders are also observed especially in the anteroposterior direction. DISCUSSION We performed the first review on motor function characteristics in aLOPD. Although a significant amount of knowledge was synthesized in this review, our study also highlighted the lack of current research on this topic. Maximal muscle strength was the only neuromuscular performance studied, and gait biomechanics and postural control were poorly explored in LOPD. Relationships between the degree of muscle weakness and motor function alterations also remain to be determined in aLOPD.
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Affiliation(s)
- Théo Maulet
- From the Physiology and Functional Exploration Department (T.M., C.B.), Raymond Poincaré Hospital, APHP, Garches, France; End: Icap Laboratory (T.M., P.L.), Inserm Unit 1179, UVSQ, France; Paris-Saclay University (T.M., C.B.), UVSQ, Research Unit ERPHAN, Versailles, France; Paris Cité University (C.W.), DGDBM, France; Neurology Department (P.L.), Nord/Est/Ile de France Neuromuscular Center, Raymond-Poincaré Hospital, Garches; and Nantes University (T.C.), Movement-Interactions-Performance, MIP, Nantes, France.
| | - Celine Bonnyaud
- From the Physiology and Functional Exploration Department (T.M., C.B.), Raymond Poincaré Hospital, APHP, Garches, France; End: Icap Laboratory (T.M., P.L.), Inserm Unit 1179, UVSQ, France; Paris-Saclay University (T.M., C.B.), UVSQ, Research Unit ERPHAN, Versailles, France; Paris Cité University (C.W.), DGDBM, France; Neurology Department (P.L.), Nord/Est/Ile de France Neuromuscular Center, Raymond-Poincaré Hospital, Garches; and Nantes University (T.C.), Movement-Interactions-Performance, MIP, Nantes, France
| | - Catherine Weill
- From the Physiology and Functional Exploration Department (T.M., C.B.), Raymond Poincaré Hospital, APHP, Garches, France; End: Icap Laboratory (T.M., P.L.), Inserm Unit 1179, UVSQ, France; Paris-Saclay University (T.M., C.B.), UVSQ, Research Unit ERPHAN, Versailles, France; Paris Cité University (C.W.), DGDBM, France; Neurology Department (P.L.), Nord/Est/Ile de France Neuromuscular Center, Raymond-Poincaré Hospital, Garches; and Nantes University (T.C.), Movement-Interactions-Performance, MIP, Nantes, France
| | - Pascal Laforêt
- From the Physiology and Functional Exploration Department (T.M., C.B.), Raymond Poincaré Hospital, APHP, Garches, France; End: Icap Laboratory (T.M., P.L.), Inserm Unit 1179, UVSQ, France; Paris-Saclay University (T.M., C.B.), UVSQ, Research Unit ERPHAN, Versailles, France; Paris Cité University (C.W.), DGDBM, France; Neurology Department (P.L.), Nord/Est/Ile de France Neuromuscular Center, Raymond-Poincaré Hospital, Garches; and Nantes University (T.C.), Movement-Interactions-Performance, MIP, Nantes, France
| | - Thomas Cattagni
- From the Physiology and Functional Exploration Department (T.M., C.B.), Raymond Poincaré Hospital, APHP, Garches, France; End: Icap Laboratory (T.M., P.L.), Inserm Unit 1179, UVSQ, France; Paris-Saclay University (T.M., C.B.), UVSQ, Research Unit ERPHAN, Versailles, France; Paris Cité University (C.W.), DGDBM, France; Neurology Department (P.L.), Nord/Est/Ile de France Neuromuscular Center, Raymond-Poincaré Hospital, Garches; and Nantes University (T.C.), Movement-Interactions-Performance, MIP, Nantes, France
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Maulet T, Cattagni T, Dubois F, Roche N, Laforet P, Bonnyaud C. Determinants and Characterization of Locomotion in Adults with Late-Onset Pompe Disease: New Clinical Biomarkers. J Neuromuscul Dis 2023; 10:963-976. [PMID: 37545258 PMCID: PMC10578228 DOI: 10.3233/jnd-230060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2023] [Indexed: 08/08/2023]
Abstract
BACKGROUND The late-onset form of Pompe disease (LOPD) is characterized by muscle weakness, locomotor limitations and a risk of falls. The mechanisms responsible for altered locomotion in adults with LOPD are unknown. The identification of clinical biomarkers is essential for clinical follow-up and research. OBJECTIVES To identify muscle determinants of impaired locomotor performance, gait stability and gait pattern, and biomechanical determinants of falls in adults with LOPD. METHODS In this cross-sectional, case-control study, LOPD and control participants underwent 3D gait analysis, locomotor performance tests and muscle strength measurements (isokinetic dynamometer). We explored the muscular determinants of locomotor performance (gait speed, 6-minute walk test distance and timed up and go test), gait stability (spatiotemporal gait variables) and the gait pattern. We also explored biomechanical gait determinants of falls. After intergroup comparisons, determinants were sought to use forward stepwise multiple regression. RESULTS Eighteen participants with LOPD and 20 control participants were included. Locomotor performance, gait stability, and the gait pattern were significantly altered in LOPD compared to control participants. Hip abductor strength was the main common determinant of locomotor performance, gait stability and pelvic instability. Hip flexor strength was the main determinant of abnormal gait kinematics at the hip and knee. Percentage duration of single support phase during the gait cycle was the main determinant of falls. CONCLUSIONS Hip abductor strength and percentage duration of single support during gait were the major determinants of locomotor performance, gait stability, falls and the gait pattern in LOPD. These new clinical biomarkers should therefore be systematically assessed using instrumented tools to improve the follow-up of adults with LOPD. They should also be considered in future studies to accurately assess the effects of new therapies. Hip abductor strength and single support phase should also be priority targets for rehabilitation.
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Affiliation(s)
- Théo Maulet
- Laboratory End: icap, Inserm Unit 1179, UVSQ, Université Paris-Saclay, France
- Research Unit ERPHAN, Université Paris-Saclay, France
- Movement Analysis Laboratory, Functional Exploration Unit, Raymond Poincaré Garches, G. H. U.Paris Saclay, APHP, France
| | - Thomas Cattagni
- Mouvement– Interactions – Performance, MIP, UR 4334, F-44000, Nantes University, Nantes, France
| | - Fabien Dubois
- Movement Analysis Laboratory, Functional Exploration Unit, Raymond Poincaré Garches, G. H. U.Paris Saclay, APHP, France
| | - Nicolas Roche
- Laboratory End: icap, Inserm Unit 1179, UVSQ, Université Paris-Saclay, France
- Movement Analysis Laboratory, Functional Exploration Unit, Raymond Poincaré Garches, G. H. U.Paris Saclay, APHP, France
| | - Pascal Laforet
- Laboratory End: icap, Inserm Unit 1179, UVSQ, Université Paris-Saclay, France
- Neurology Unit, Raymond Poincaré Garches, G.H. U. Paris Saclay, APHP, France
| | - Céline Bonnyaud
- Research Unit ERPHAN, Université Paris-Saclay, France
- Movement Analysis Laboratory, Functional Exploration Unit, Raymond Poincaré Garches, G. H. U.Paris Saclay, APHP, France
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Three decades of gait index development: A comparative review of clinical and research gait indices. Clin Biomech (Bristol, Avon) 2022; 96:105682. [PMID: 35640522 DOI: 10.1016/j.clinbiomech.2022.105682] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 03/14/2022] [Accepted: 05/17/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND A wide variety of indices have been developed to quantify gait performance markers and associate them with their respective pathologies. Indices scores have enabled better decisions regarding patient treatments and allowed for optimized monitoring of the evolution of their condition. The extensive range of human gait indices presented over the last 30 years is evaluated and summarized in this narrative literature review exploring their application in clinical and research environments. METHODS The analysis will explore historical and modern gait indices, focusing on the clinical efficacy with respect to their proposed pathology, age range, and associated parameter limits. Features, methods, and clinically acceptable errors are discussed while simultaneously assessing indices advantages and disadvantages. This review analyses all indices published between 1994 and February 2021 identified using the Medline, PubMed, ScienceDirect, CINAHL, EMBASE, and Google Scholar databases. FINDINGS A total of 30 indices were identified as noteworthy for clinical and research purposes and another 137 works were included for discussion. The indices were divided in three major groups: observational (13), instrumented (16) and hybrid (1). The instrumented indices were further sub-divided in six groups, namely kinematic- (4), spatiotemporal- (5), kinetic- (2), kinematic- and kinetic- (2), electromyographic- (1) and Inertial Measurement Unit-based indices (2). INTERPRETATION This work is one of the first reviews to summarize observational and instrumented gait indices, exploring their applicability in research and clinical contexts. The aim of this review is to assist members of these communities with the selection of the proper index for the group in analysis.
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