PMC6938457_01
(
A
) Pectus carinatum before bracing. (
B
) Progression of pectus carinatum after 12 months of bracing.
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 At the Pectus Center, the patient's exam revealed a chondrogladiolar, centrally located, moderate-sized PC that had been present for 1 year with associated chest pain, especially while lying supine ( Fig. 2A ). As seen in Fig. 2A , he has achieved an excellent cosmetic result so far.
Pressure of correction (PC) and bracing pressure (BP) over time. PC is how much pressure it takes to push the carinatum into a neutral position. BP is how much pressure the brace is applying to the chest during treatment. The BP dropped sharply. The initial PC was lower than that normally used, but was increased slowly since it appeared to be well tolerated.
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His PIC decreased significantly ( Fig. 3 ), with dramatic improvement in the appearance of the PC ( Fig. 2B ). Although our patient has not yet achieved a complete correction, he has made significant progress toward completion with improvement in his PIC from 3.7 to 1.2 psi ( Fig. 3 ).