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Fig. 2 | Journal of Cardiothoracic Surgery

Fig. 2

From: Surgery corrects asynchrony of ribcage secondary to extra-thoracic tumor but leads to expiratory dysfunction during exercise

Fig. 2

This graph demonstrates a breath-by-breath analysis examining the synchrony between chest compartments. The left panel shows pre-operative chest wall motion during quiet breathing, from top to bottom of the upper rib cage (RCP), lower rib cage (RCA) and the abdomen (AB) respectively. The red line represents the operated side and blue line the non-operated. The right panel shows motion in each compartment 5 months after surgery. The lower rib cage on the opposite side to the tumor side lagged by 56.8 +/− 15.1° out of phase compared to the side with the tumour. After surgery this asynchrony improved to 14.4 +/− 9.6° (p = 0.002)

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