Postexercise Recovery of Schlemm’s Canal and Intraocular Pressure in Healthy Individuals: An Observational Study Using Swept-Source Optical Coherence Tomography
Table 1
Comparison of BP, plasma catecholamine, PD, SC, and IOP before and after exercise.
Before exercise (baseline)
0 min after exercise
15 min after exercise
30 min after exercise
60 min after exercise
SBP (mmHg)
110.7 ± 8.4
143.5 ± 10.2†
113.1 ± 9.1
112.1 ± 12.1
108.7 ± 9.3
DBP (mmHg)
75.3 ± 7.5
83.2 ± 7.6†
76.8 ± 8.1
75.5 ± 5.7
76.0 ± 4.5
NA (nmol/L)
3.15 ± 1.23
9.26 ± 5.46†
3.42 ± 1.52
3.24 ± 1.36
3.31 ± 1.18
A (nmol/L)
0.49 ± 0.28
1.18 ± 0.90†
0.43 ± 0.23
0.45 ± 0.22
0.46 ± 0.28
PD (mm)
4.50 ± 0.67
4.81 ± 0.94‡
4.58 ± 0.78
4.54 ± 0.87
4.56 ± 0.72
SC area (µm2)
Superior
4056.03 ± 1608.33
4894.49 ± 1783.57‡
3990.63 ± 1967.99
3936.21 ± 1371.07
3958.88 ± 1333.92
Nasal
3245.64 ± 1229.18
4086.96 ± 1612.77‡
3376.63 ± 1106.34
3349.13 ± 979.86
3219.68 ± 1087.43
Inferior
3936.06 ± 1774.87
4802.46 ± 1697.76‡
3911.81 ± 1438.14
3854.22 ± 1445.20
4252.15 ± 1861.88
Temporal
4015.16 ± 2199.23
5002.51 ± 2386.53‡
4254.10 ± 2015.28
3544.64 ± 1645.59
3751.98 ± 1454.45
Average
3726.81 ± 1167.06
4660.57 ± 1284.82‡
3784.22 ± 1193.19
3598.93 ± 937.01
3752.92 ± 951.11
SC perimeter (µm)
Superior
347.79 ± 105.80
390.26 ± 126.17‡
342.82 ± 121.52
355.85 ± 103.59
357.08 ± 109.34
Nasal
293.57 ± 69.02
330.20 ± 99.41
312.75 ± 82.78
320.06 ± 70.52
297.08 ± 72.63
Inferior
320.27 ± 92.93
358.28 ± 96.55‡
318.16 ± 84.38
304.96 ± 79.77
333.45 ± 96.27
Temporal
346.13 ± 107.83
393.32 ± 127.93‡
356.83 ± 122.54
336.62 ± 111.07
333.91 ± 70.83
Average
324.11 ± 58.95
367.19 ± 73.34‡
328.96 ± 72.31
323.92 ± 61.83
328.26 ± 48.38
IOP (mmHg)
Average
14.02 ± 2.33
11.65 ± 1.90‡
13.16 ± 2.26‡
13.49 ± 2.35‡
14.04 ± 2.30
†Significance of difference between preexercise (baseline) and (0, 15, 30, and 60 min) postexercise data: linear mix-effect models. ‡Significance of difference between preexercise (baseline) and (0, 15, 30, and 60 min) postexercise data: general estimate equations. SBP: systolic blood pressure, DBP: diastolic blood pressure, NA: noradrenaline, A: adrenaline, PD: pupil diameter, SC: Schlemm’s canal, IOP: intraocular pressure.
