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Trial registered on ANZCTR
Registration number
ACTRN12620000051943
Ethics application status
Approved
Date submitted
9/12/2019
Date registered
22/01/2020
Date last updated
22/01/2020
Date data sharing statement initially provided
22/01/2020
Date results provided
22/01/2020
Type of registration
Retrospectively registered
Titles & IDs
Public title
Direct Anterior Approach to Hip Replacement and Associated Complications: A Retrospective Case Series
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Scientific title
Direct Anterior Approach to Hip Replacement and Associated Complications: A Retrospective Case Series
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Secondary ID [1]
300042
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Nil known
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
hip replacement
315545
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Surgical approach to hip replacement
315546
0
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Condition category
Condition code
Surgery
313830
313830
0
0
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Surgical techniques
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Musculoskeletal
313880
313880
0
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
False
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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
In patients undergoing anterior approach to hip replacement, complications and Patient reported outcome scores were measured and analysed.
We received approval to assess medical records and contact patients to send questionnaires to collected this data. The questionnaires were completed at 2 and 5 years post surgery and took 10 minutes to complete . Our mean follow up was 3.7 years.
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Intervention code [1]
316312
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Not applicable
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Comparator / control treatment
No control group, compared to evidence in literature
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
322224
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Complications like dislocations, infections, revision and lateral cutaneous nerve palsy rates were measured in our cohort. This was assessed via review of medical records and contacting patients over telephone interview.
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Assessment method [1]
322224
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Timepoint [1]
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Complications 2 years and 5 years post index surgery.
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Secondary outcome [1]
377796
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Oxford hip score. This is assessed via a patient questionnaire
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Assessment method [1]
377796
0
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Timepoint [1]
377796
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2 and 5 years post surgery
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Secondary outcome [2]
378246
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Pain score. Visual analogue scale( VAS) for pain was used. Range 0-10
This was assessed via patient questionnaire
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Assessment method [2]
378246
0
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Timepoint [2]
378246
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2 and 5 years post surgery
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Secondary outcome [3]
378247
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SF 12 score
This was assessed using a patient questionnaire
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Assessment method [3]
378247
0
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Timepoint [3]
378247
0
2 and 5 years post surgery
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Secondary outcome [4]
378248
0
patient satisfaction with hip replacement. This was measured using 5-Point Likert Scale
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Assessment method [4]
378248
0
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Timepoint [4]
378248
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2 and 5 years post surgery
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Eligibility
Key inclusion criteria
Anterior approach to Primary total hip replacement
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Minimum age
18
Years
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Maximum age
No limit
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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
nil
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Study design
Purpose
Natural history
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Duration
Longitudinal
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Selection
Convenience sample
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Timing
Both
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Statistical methods / analysis
Studies all patients who underwent surgery over a 3 year time period and studied outcomes.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
4/02/2019
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Date of last participant enrolment
Anticipated
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Actual
30/09/2019
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Date of last data collection
Anticipated
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Actual
30/09/2019
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Sample size
Target
300
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Accrual to date
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Final
281
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Recruitment in Australia
Recruitment state(s)
WA
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Funding & Sponsors
Funding source category [1]
304495
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Other Collaborative groups
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Name [1]
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The Joint Studio
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Address [1]
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Suite 1/85 Monash Ave, Nedlands WA 6009
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Country [1]
304495
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Australia
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Primary sponsor type
Other Collaborative groups
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Name
The Joint Studio
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Address
Suite 1/85 Monash Ave, Nedlands WA 6009
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Country
Australia
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Secondary sponsor category [1]
304762
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None
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Name [1]
304762
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Address [1]
304762
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Country [1]
304762
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
304928
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Hollywood Private Hospital Research Ethics Committee
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Ethics committee address [1]
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101 Monash Ave, Nedlands WA 6009
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Ethics committee country [1]
304928
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Australia
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Date submitted for ethics approval [1]
304928
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Approval date [1]
304928
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21/01/2019
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Ethics approval number [1]
304928
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HPH 536
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Summary
Brief summary
Hip replacement demand continues to rise with the ageing population. There are several surgical approaches to perform hip replacement. The posterior approach is the most commonly performed approach, with several variations. Recently, there has been an increasing interest in the Direct Anterior Approach, due to the belief that it may result in decreased pain, faster recovery, improved hip stability and decreased risk of dislocation. Whilst some small early studies have reported decreased narcotic consumption, shorter length of stay and earlier independent mobilization; other have suggested increased rates of persistent pain, increased dislocation rates, component malposition and a comparable dislocation rate. Most studies already described in the medical literature are small numbers <50 patients and have short follow-up (<1year ) The aim of our study is to determine the long term patient outcomes and complication profile for the direct anterior approach in Total Hip Replacement using a large cohort. Hip function, hip pain, walking aid use, complications and patient satisfaction will be assessed by means of a patient survey completed 2 year and 5 year anniversary of their surgery. The survey will take approximately 10 minutes to complete and may be returned electronically or via reply paid envelope.
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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
98666
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Dr Praveen Vasantharao
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Address
98666
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The Joint Studio
Suite 1/85 Monash Ave, Nedlands WA 6009
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Country
98666
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Australia
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Phone
98666
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+61 893863933
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Fax
98666
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Email
98666
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[email protected]
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Contact person for public queries
Name
98667
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Praveen Vasantharao
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Address
98667
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The Joint Studio
Suite 1/85 Monash Ave, Nedlands WA 6009
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Country
98667
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Australia
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Phone
98667
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+61 893863933
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Fax
98667
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Email
98667
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[email protected]
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Contact person for scientific queries
Name
98668
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Praveen Vasantharao
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Address
98668
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The Joint Studio
Suite 1/85 Monash Ave, Nedlands WA 6009
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Country
98668
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Australia
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Phone
98668
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+61 893863933
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Fax
98668
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Email
98668
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
Privacy concerns
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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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