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At least 451 records · Page 25Linked to original sources
PubMed1988

Mechanism of pulmonary function changes after surgical correction for funnel chest.

In 24 subjects with pectus excavatum we evaluated whether the previously detected unfavourable effects of corrective surgery on the ventilatory capacity were attributable to pulmonary or to chest wall factors. We found that 12.2 +/- 3.7 yrs postoperatively (i.e. at the age of 23.3 +/- 5.4 yrs) the vital capacity was decreased from 89 +/- 10% predicted (pred) preoperatively to 64 +/- 6% pred (p less than 0.001) and forced expiratory volume in one second from 88 +/- 17 to 66 +/- 11% pred (p less than 0.001). At total lung capacity (TLC; 69 +/- 5% pred) we found an obvious reduction in transpulmonary pressure (59 +/- 23% pred) and in transdiaphragmatic pressure (30 +/- 17 cmH2O) postoperatively. This indicated an extrapulmonary cause of the restrictive defect, attributable to abnormal chest wall mechanics secondary to the extensive surgery on the sternum and parasternal zones.

Adolescent↗
PubMed1993

[Effect of correcting funnel chest on respiratory function].

The authors discuss the results of pulmonary function tests performed at rest in 25 patients treated for pectus excavatum. Surgical correction of the lesion was performed by resection of the deformed costal cartilages, longitudinal and transversal sternotomy, stabilization of the anterior chest wall with Kirschner wires. Control tests carried out 6 months following the surgical correction. In cases of severe deformation of the chest wall a decrease of pulmonary function indices was evident. Following the surgical correction all spirometric indices increased.

Adolescent↗
PubMedDate not supplied

[The asymmetry of funnel chest: assessment, incidence, consequences].

Cross-section profile measurements of 154 primary chest wall deformities showed 86 percent punctum maximum deviations and 55 percent asymmetries of the anterolateral chest wall, influencing the frontal and sagittal heart position. Operative consequences of these morphological findings are: Adequate cranial and lateral rib mobilisation and the need of metal strut stabilisation.

Funnel Chest↗
PubMed1981

[Mechanical effects of funnel chest (author's transl)].

In the assessment of the deformed chest wall, morphologic and cosmetic considerations are prominent. Classification should not depend on the observer's subjective impression. The measuring procedure presented and tested in 142 patients shows that relationships exist between the shape of the chest wall and the position of the heart, but no utilizable correlations to total function values. A growth-dependent progression of thoracic space requirement is not be expected as a rule.

Adolescent↗
PubMed1977

Cause of funnel chest recurrences---operative treatment and long-term results.

We found that 2-3 years after operation the result is final. If a partial or total recurrence develops, this will take place within the first 2 to 3 years after operation. Local deformities of the cut ribs or the cartilages will enlarge and bulge the skin during the first 24 months. There is no overgrowth after that time. There is no reason to leave the metal strut in place longer than 1 year. All the cut and resutured ribs have grown together after that time, and there is no interference with the growth of the ribs or the further development of the chest wall. Our recurrences are due to local infections, removing the metal strut too early, i.e. within the first 4 to 5 months after operation, using a metal strut too small, and not resuturing the cut ribs themselves.

Child↗
PubMed2006

[The "new" Erlangen technique of funnel chest correction - minimalization of a well working procedure].

INTRODUCTION: In many operative fields there is a trend to be minimally invasive, so in chestwall surgery too. Because of this influence we developed a technique for routine measurements of the forces during surgery. So it was possible to make the Erlangen technique substantially less invasive. METHODS: Mobilisation of the sternum always begins with freeing of the xiphisternum. Then we use a spring balance with a measurement range of 20-230 N. This is attached to the sternum with a single-pronged hook, and then the sternum is raised to the desired position. DISCUSSION: Since the introduction of intraoperative measurements it has been possible to make the Erlangen technique substantially less invasive, i.e. division of the ribs at the outer rim of the funnel, previously always carried out, is no longer done. Of course we could also minimise the length of the incision.

Adolescent↗
PubMed1980

A new method of surgical treatment of funnel chest with help of permanent magnets.

35 patients have benefited from the following procedure: After a double chondrotomy accompanied if need be by resection of the costal cartilages and a sternotomy, a magnet is placed in the retrosternal space. The wound is closed. A second magnet is placed externally on special corset. The magnetic chest expansion is achieved in between one and one and a half months. The internal magnet is removed six months after the operation. Its authors claim a series of 33 good results, without any relapses, after a follow-up of 2 1/2 years.

Funnel Chest↗