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A sunken chest, medically known as Pectus Excavatum, is one of the most common congenital chest wall deformities, affecting approximately 1 in every 300–400 newborns.
Because it often does not affect daily life in the early stages, Pectus Excavatum is easily overlooked by parents, causing them to miss the optimal window for intervention. Today, we will explain in detail: what pectus excavatum is, how to recognize it early, and the correct scientific approach to managing it.
Pectus excavatum is a chest wall deformity characterized by inward depression of the body of the sternum and the adjacent costal cartilages, giving it a “funnel‑shaped” appearance. From the outside, a noticeable depression can be seen in the lower sternum and costal cartilage area, often accompanied by forward‑sloping shoulders and, in some children, a mild hunchback posture.
| Factor | Explanation |
|---|---|
| Genetic factors | About 30–40% of children with pectus excavatum have a family history; genetic factors play an important role. |
| Abnormal diaphragmatic attachment | Excessive pulling of the sternum by the central tendon of the diaphragm is one of the mechanical causes of sternal depression. |
| Asymmetric costal cartilage growth | Overgrowth or abnormal direction of the costal cartilages pushes the sternum inward. |
| Connective tissue factors | A small number of cases are associated with connective tissue disorders such as Marfan syndrome. |
Contact: KAM
Phone: +86 1365 2921 391
Tel: +86 1365 2921 391
Email: 1752119111@qq.com
Add: Orthosis Customization Center, 6th Floor, Rehabilitation Building, Guangdong Maternal and Child Health Hospital
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