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Trial registered on ANZCTR
Registration number
ACTRN12607000649415
Ethics application status
Approved
Date submitted
18/12/2007
Date registered
20/12/2007
Date last updated
20/12/2007
Type of registration
Retrospectively registered
Titles & IDs
Public title
Evaluation of Dysfunctional Patellar Misalignment at the passage from the supine to the sitting position and vice versa in patients with a negative anamnesis for muscular or bone-relevant trauma.
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Scientific title
Evaluation of Dysfunctional Patellar Misalignment at the passage from the supine to the sitting position and vice versa in patients with a negative anamnesis for muscular or bone-relevant trauma.
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Universal Trial Number (UTN)
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Trial acronym
PFD
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Dysfunctional patellar misalignment
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Condition category
Condition code
Musculoskeletal
2757
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0
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Other muscular and skeletal disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Slight somatic differences, when not due to specific causes, prove the existence of Fluctuating Asymmetry (FA). FAs are defined as a casual loss of perfect symmetry, highlighted at level of symmetrical body segments and caused by environmental stressors. They are inversely related with the general psycho-physical condition of the subject. In this study that has involved in eight years 3700 subjects, we have highlighted and described the presence of asymmetry both in tonic and phasic activation of symmetrical muscular groups. We named this asymmetrical activation as Functional Dysmetria (FD). We might assume that FD is determined by a neuropsychomotor attitude deriving from the adaptation at environmental stress, as observed for FAs. We could also suppose that the asymmetrical tonic and phasic activation of symmetrical muscular groups may determine those alterations of structural charge, this causing those modifications in skeleton morphology typical of FAs. The observation has been carried out with subject in supine position, in sitting position, during the passage from supine to sitting position and vice versa. So as to quantify misalignment and then FD, we employed a not invasive calibre that we have specifically devised, with 1-mm-resolution. The measurements, were taken with the subject in supine position, in sitting position. After each check the subject was asked to descend the bed and walk a dozen steps; afterwards they laid down again on the bed for a new survey. All this was repeated three consecutive times for each subject.
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Intervention code [1]
2378
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Diagnosis / Prognosis
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Comparator / control treatment
No treatment. Between each consecutive observation and measurement we took five minutes and we took fifteen minutes after the first and second session.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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The observation of the presence of asymmetrical both in tonic and phasic activation of symmetrical muscular groups and patellar misalignment at the passage from the supine to the sitting position and vice versa and the quantification of this misalignment with a non invasive calibre that we have specifically devised, with 1-mm-resolution.
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Assessment method [1]
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Timepoint [1]
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The observational and measurement trial consisted of two following sessions. In every session we have take three observations and measurements: immediately, after five minutes the second and after other five minutes the third session. The second session like the first one was carried out after fifteen minutes.
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Secondary outcome [1]
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Detect the presence of patellar misalignment at the passage from the supine to the sitting position and vice versa and the quantification of this misalignment with a non invasive calibre that we have specifically devised, with 1-mm-resolution.
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Assessment method [1]
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Timepoint [1]
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The observational and measurement trial consisted of two following sessions. In every session we have take three observations and measurements: immediately, after five minutes the second and after other five minutes the third session. The second session like the first one was carried out after fifteen minutes.
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Eligibility
Key inclusion criteria
Healthy subjects, with a negative anamnesis for muscular or bone-relevant trauma and patologies during the last 2 years
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Minimum age
2
Years
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Maximum age
97
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Subjects, with positive anamnesis for muscular or bone-relevant trauma in the last 2 years. Congenital malformation and other musculoskeletal or neurologically-known pathologies
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Study design
Purpose
Screening
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Duration
Cross-sectional
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Selection
Convenience sample
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/09/1997
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
3700
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
714
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Italy
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State/province [1]
714
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
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Istituto Rinaldi Fontani
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Address [1]
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Via Nazionale 23 50123 Firenze
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Country [1]
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Italy
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Primary sponsor type
Charities/Societies/Foundations
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Name
Istituto Rinaldi Fontani
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Address
Via Nazionale 23 50123 Firenze
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Country
Italy
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Secondary sponsor category [1]
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Charities/Societies/Foundations
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Name [1]
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Societa di Ottimizzazione Neuro Psico Fisica e CRM Terapia
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Address [1]
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Via Nazionale 23 50123 Firenze
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Country [1]
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Italy
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Ethics approval
Ethics application status
Approved
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Summary
Brief summary
It is generally agreed that, in absence of orthopaedic pathologies, a misalignment of certain body segments may be highlighted in a certain group of examined subjects. These misalignments are especially evident at level of pelvis and Lower Limbs (LLs). This observation lead us to believe that this was an ordinary phenomenon of postural neuropsychomotor attitude, consequence of a dysfunctional adaptation to environmental stress, exactly as for Fluctuating Asymmetry. Through the observation of a wide sample of 3700 subjects, we could detect the presence of an asymmetry in tonic and phasic activation of symmetrical muscular groups in LLs. This activation will show through a misalignment of upper and lower right and left patellar margins, misalignment which will invert by moving from supine to sitting position while the subject is lying on the visiting bed . We named this phenomenon as Functional Dysmetria (FD), which we believe to be upheld by postural neuropsychomotor mechanisms, as expression of a dysfunctional adaptive attitude in response to the interaction between subject and environment. FD may be compared to an actual difference in length of LLs, but not necessarily is to be associated with a real heterometry, from which it must therefore be kept aside. We chose the definition of “Dysmetria” to underline both the dysfunctional (from the Greek d?? = difficulty to perform, and µ?t??? = measurement) and functional components, as the phenomenon is apparently not the consequence of organic injuries. In conclusion, the analysis of the results shows that every examined subject had both the misalignment of the considered reperes and a FD of LLs, highlighted at the passage from the supine to the sitting position and vice versa. The average value of misalignment is 6.21 mm (StDev = 0.38). The values of misalignment vary among subjects and are not related to age or sex. Furthermore, the examined values do not modify upon repositioning of the subject and are stable in time.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Vania Fontani M.D.
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Address
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Via Nazionale 23 50123 Firenze
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Country
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Italy
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Phone
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+39 055 290307
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Salvatore Rinaldi M.D.
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Address
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Via Nazionale 23 50123 Firenze
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Country
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Italy
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Phone
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+39 055 290307
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Fax
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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