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Instrumentation surgery for funnel chest

T Nakamura¹, T Ikeda, H Senda

¹Department of Orthopaedic Surgery Kumamoto University School of Medicine, Japan.

International Surgery

|July 1, 1995

Summary

This study shows that the Zimmer plate and U-shaped rod effectively correct funnel chest deformities with high patient satisfaction and improved lung function. The procedure is minimally invasive with a low complication rate.

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Area of Science:

Thoracic surgery
Pediatric surgery
Medical device innovation

Background:

Pectus excavatum (funnel chest) is a common congenital chest wall deformity.
Surgical correction is often necessary to improve cardiopulmonary function and aesthetics.
Existing surgical techniques can involve significant invasiveness and complications.

Purpose of the Study:

To evaluate the efficacy and safety of the Zimmer plate and/or U-shaped rod for correcting funnel chest.
To assess patient satisfaction and functional outcomes post-surgery.
To compare the invasiveness and complication rates with other surgical methods.

Main Methods:

Retrospective analysis of 34 patients with funnel chest deformity.
Surgical correction using the Zimmer plate and/or U-shaped rod.
Assessment of recurrence, patient satisfaction, vital capacity (%VC), and complications.

Main Results:

No recurrence of chest deformity observed in any patient.
78.6% of patients reported satisfaction with the surgical outcome.
Significant improvement in low vital capacity (%VC) post-operation.
A low complication rate was observed, including bleeding, skin necrosis, rod dislodgement, infection, and muscle rupture.
Average blood loss <300 ml and postoperative bed rest <7 days.
Patients resumed daily activities within 3 weeks without bracing.

Conclusions:

The Zimmer plate and U-shaped rod technique is a safe and effective method for correcting funnel chest.
This approach offers a less invasive option with favorable functional and aesthetic outcomes.
The method demonstrates a low complication profile and facilitates a rapid return to normal activities.

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