Clinical Study

Exercise Stress Testing in Children with Metabolic or Neuromuscular Disorders

Table 2

Biochemical measurements of patients before and after the CPET.

PatientLactateCKAmmonia
(mmol/L)(U/L)(mmol/L)
BeforeAfterBeforeAfterBeforeAfter

13.5 10.3NANA54
22.21.6540 597 NANA
30.82.4246 273 61 337
71.37.3125146NANA
81.36.07989NANA
91.54.31161211712
103.1 6.98510086
121.513 577 773 34 54
Normal values
Mean (range)
1.56
(0.7–2.3)
7.0
(3.2–11.4)
104
(45–192)
123
(51–234)
18
(9–23)
42
(10–94)

Legend: NA: not assessed, : significantly different from normal.