Alternative Names: Tietze Syndrome, Slipping Rib Syndrome.
Costochondritis is the inflammation of the cartilage where the ribs attach to the breastbone (sternum).
Causes and Development
The cause of this condition is generally unknown but it can be the result of trauma to the rib cage, a viral infection or part of an inflammatory
Costochondritis may be caused by hypermobility of the anterior end of the costal cartilage
. Most often, the tenth rib is the source of pain because, unlike ribs one through seven which attach to the sternum, the eighth, ninth and tenth ribs are attached at the back to each other by loose, fibrous tissue
. This provides increased mobility, but a greater susceptibility to trauma.
Costochondritis is also more likely to occur in the lower ribs because of the poor blood supply to the cartilaginous tissue and ligaments. Injury to the cartilage
tissue in the lower ribs or the sternocostal ligaments in the upper ribs often does not completely heal naturally.
The ribs are attached in the front, as well as in the back of the body. A loose rib in the front is likely also to be loose in the back. Unexplained upper back pain between the shoulder blades and pain in the rib vertebrae are likely due to joint laxity and/or weakness in the associated ligaments.
Signs and Symptoms
Initially the symptoms may feel like those of a heart attack: pain moving from side to side of the chest and to the arms and neck. Some sufferers find it more difficult to breathe, but there is usually no reason for alarm when the cause of these symptoms is costochondritis.
During the acute phase, pain is usually worse and it hurts to breathe, wear a bra or move suddenly. Eventually the pain subsides to a dull, constant ache or tenderness in the ribs. The symptoms often disappear within two months but may take up to a year or even become a chronic condition. When chronic, the pain seems to come and go with sudden movements or lifting heavy objects.
Stress may contribute to the pain because it makes the muscles tense. Other things that hurt are lifting, pushing, pulling, sneezing, coughing, long hours of driving or using the computer, repetitive motions and caffeine
. Cold, rainy and humid weather also make some sufferers feel worse. Even sinusitis
, with the associated nose blowing can be the initial event that results in this chronic chest pain.