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. 2022 May 9;9(5):594-603.
doi: 10.1002/mdc3.13460. eCollection 2022 Jul.

Task Force Consensus on Nosology and Cut-Off Values for Axial Postural Abnormalities in Parkinsonism

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Task Force Consensus on Nosology and Cut-Off Values for Axial Postural Abnormalities in Parkinsonism

Michele Tinazzi et al. Mov Disord Clin Pract. .

Abstract

Background: There is no consensus with regard to the nosology and cut-off values for postural abnormalities in parkinsonism.

Objective: To reach a consensus regarding the nosology and cut-off values.

Methods: Using a modified Delphi panel method, multiple rounds of questionnaires were conducted by movement disorder experts to define nosology and cut-offs of postural abnormalities.

Results: After separating axial from appendicular postural deformities, a full agreement was found for the following terms and cut-offs: camptocormia, with thoracic fulcrum (>45°) or lumbar fulcrum (>30°), Pisa syndrome (>10°), and antecollis (>45°). "Anterior trunk flexion," with thoracic (≥25° to ≤45°) or lumbar fulcrum (>15° to ≤30°), "lateral trunk flexion" (≥5° to ≤10°), and "anterior neck flexion" (>35° to ≤45°) were chosen for milder postural abnormalities.

Conclusions: For axial postural abnormalities, we recommend the use of proposed cut-offs and six unique terms, namely camptocormia, Pisa syndrome, antecollis, anterior trunk flexion, lateral trunk flexion, anterior neck flexion, to harmonize clinical practice and future research.

Keywords: Parkinson's disease; Pisa syndrome; antecollis; atypical parkinsonisms; camptocormia; diagnostic criteria.; postural abnormalities.

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Figures

FIG 1
FIG 1
Flow‐chart of the study.
FIG 2
FIG 2
Pictures of patients with PD presenting a variable degree of lateral trunk flexion, measured according to the perpendicular method (bottom line).
FIG 3
FIG 3
Pictures of patients with PD presenting a variable degree of anterior trunk flexion (thoracic fulcrum), measured according to the upper method (bottom line).
FIG 4
FIG 4
Pictures of patients with PD presenting a variable degree of anterior trunk flexion (lumbar fulcrum), measured according to the malleolus method (bottom line).
FIG 5
FIG 5
Pictures of patients with PD presenting a variable degree of anterior neck flexion, measured according to the perpendicular method (bottom line).

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References

    1. Tinazzi M, Gandolfi M, Ceravolo R, et al. Postural abnormalities in Parkinson's disease: an epidemiological and clinical multicenter study. Mov Disord Clin Pract 2019;6:576–585. - PMC - PubMed
    1. Doherty KM, van de Warrenburg BP, Peralta MC, Silveira‐Moriyama L, Azulay JP, Gershanik OS, Bloem BR. Postural deformities in Parkinson's disease. Lancet Neurol 2011;10:538–549. - PubMed
    1. Barone P, Santangelo G, Amboni M, Pellecchia MT, Vitale C. Pisa syndrome in Parkinson's disease and parkinsonism: clinical features, pathophysiology, and treatment. Lancet Neurol 2016;15:1063–1074. - PubMed
    1. Margraf NG, Granert O, Hampel J, Wrede A, Schulz‐Schaeffer WJ, Deuschl G. Clinical definition of camptocormia in Parkinson's disease. Mov Disord Clin Pract 2017;4:349–357. - PMC - PubMed
    1. Geroin C, Artusi CA, Gandolfi M, et al. Does the degree of trunk bending predict patient disability, motor impairment, falls, and back pain in Parkinson's disease? Front Neurol 2020;11:207. - PMC - PubMed

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