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Pre-inserted Kirschner Wire Fixation for Wassel Type IV Thumb Polydactyly: A Retrospective Cohort Study

Pre-inserted Kirschner Wire Fixation for Wassel Type IV Thumb Polydactyly: A Retrospective Cohort Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600129077
Enrollment
Unknown
Registered
2026-07-30
Start date
2026-03-05
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Thumb polydactyly (Wassel type IV)

Interventions

Conventional Surgery Group:none
Anterior Kirschner Wire Fixation Group:none

Sponsors

Children's Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Unilateral Wassel type IV radial polydactyly; 2. Underwent radial digit ablation with ulnar digit reconstruction; 3. Follow-up >= 12 months with complete clinical/radiographic data

Exclusion criteria

Exclusion criteria: 1. Concurrent other upper limb anomalies or growth disorders; 2. Incomplete follow-up data; 3. Syndromic polydactyly; 4. History of prior surgery on the affected digit; 5. Interphalangeal angulation >15°

Design outcomes

Primary

MeasureTime frame
Operative time;Number of K-wire adjustments;—

Secondary

MeasureTime frame
Tada functional score;JSSH thumb polydactyly evaluation score;—

Countries

China

Contacts

Public ContactGe Yan

Children's Hospital of Chongqing Medical University

kidyange@qq.com+86 185 8088 8869

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026