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Comparison of Ultrasonic Scalpel and Bipolar Coagulation in the application of Postauricular Expander Implantation: A Randomized Controlled Study

Comparison of Ultrasonic Scalpel and Bipolar Coagulation in the application of Postauricular Expander Implantation: A Randomized Controlled Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400094695
Enrollment
Unknown
Registered
2024-12-26
Start date
2024-12-30
Completion date
Unknown
Last updated
2025-01-06

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

Conditions

Microtia

Interventions

ultrasonic scalpel group:ultrasonic scalpel
bipolar coagulation group:bipolar coagulation

Sponsors

Plastic Surgery Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
6 Years to 12 Years

Inclusion criteria

Inclusion criteria: (1) 6-12 years old; (2) Unilateral congenital microtia; (3) Simple microtia, not part of a syndrome; (4) Patients who underwent extubation and water injection in our hospital after operation; (5) Informed consent to this study.

Exclusion criteria

Exclusion criteria: (1) Patients with ear deformity caused by trauma, burns and other injuries; (2) After the dilator was taken out due to infection, the posterior auricular dilator was implanted again; (3) Patients with hemifacial short deformity or other deformities, or patients with microtia as part of other definite syndromes; (4) Patients with diseases affecting coagulation function, including but not limited to liver and kidney dysfunction, allergic purpura, idiopathic thrombocytopenic purpura and other hematological disorders; (5) Female patients in menstrual period, pregnancy and lactation; (6) Patients with any signs or symptoms of bacterial, viral, or fungal infection in the treatment area; (7) A history of keloid formation; (8) Patients with severe autoimmune diseases or systemic inflammatory diseases; (9) Patients with poor compliance who cannot be followed up for a long time.

Design outcomes

Primary

MeasureTime frame
intraoperative blood loss;postoperative drainage;

Secondary

MeasureTime frame
postoperative surgical site pain;

Countries

China

Contacts

Public ContactLi chuan

Plastic Surgery Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College

lichuan_pumc@163.com+86 10 5396 8163

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026