Repair of partial atrioventricular septal defect through a modified right vertical infra-axillary thoracotomy: a single-center experience - Scorecard - MDSpire

Repair of partial atrioventricular septal defect through a modified right vertical infra-axillary thoracotomy: a single-center experience

  • By

  • Heqi Zhang

  • Zehua Shao

  • Haoju Dong

  • Shubo Song

  • Fanwei Meng

  • Xiaoliang Qian

  • Taibing Fan

  • Weijie Liang

  • May 12, 2026

  • 0 min

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Clinical Scorecard: Modified Right Vertical Infra-Axillary Thoracotomy for Repairing Partial Atrioventricular Septal Defect: Insights from a Single-Center Study

At a Glance

CategoryDetail
ConditionPartial Atrioventricular Septal Defect (PAVSD)
Key MechanismsUtilizes modified right vertical infra-axillary thoracotomy (MRVIAT) integrating thoracoscopic principles.
Target PopulationPatients with PAVSD, ranging from infancy to adulthood.
Care SettingSingle-center surgical intervention.

Key Highlights

  • Successful repair in all 64 patients without conversion to median sternotomy.
  • No fatalities or significant complications reported.
  • Average operative duration of 177 minutes with a learning curve observed.
  • No moderate or severe valvular regurgitation during follow-up.
  • Aesthetic advantages due to hidden incision.

Guideline-Based Recommendations

Diagnosis

  • Preoperative diagnosis of partial PAVSD confirmed through imaging.

Management

  • Utilization of MRVIAT for surgical repair under central cardiopulmonary bypass.

Monitoring & Follow-up

  • Postoperative assessment for valvular regurgitation and cardiac function.

Risks

  • Potential for patch dehiscence requiring reoperation.

Patient & Prescribing Data

64 patients with PAVSD, aged 0.3 to 63 years.

MRVIAT provides a minimally invasive option with favorable outcomes.

Clinical Best Practices

  • Conduct thorough preoperative assessments including imaging and echocardiography.
  • Monitor for complications post-surgery, particularly valvular function.
  • Utilize a learning curve approach to improve surgical duration and outcomes.

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