Exploration of pulse wave analysis under reactive hyperemia and close to an arteriovenous fistula: a comparative analysis

Table 5 Comparison of the three different hemodynamic states in the Kidney1 collective

N = 39	reac/phys		fist/phys		fist/reac
N = 39	Median (min/max)	p	Median (min/max)	p	Median (min/max)	p
∆A2_[mmHG*s]	0.00705 (-0.00986/0.03944)	< 0.001	0.00395 (-0.01526/0.03444)	< 0.001	-0.00306 (-0.02149/0.01610)	0.100
∆m2_[mmHG/s]	0.00029 (-0.00033/0.00080)	< 0.001	0.00029 (-0.00023/0.00114)	< 0.001	0.00020 (-0.00062/0.00089)	0.005
∆T_max [ms]	19.6 (-23.5/125.5)	< 0.001	11.7 (-41.2/102.0)	0.003	-7.8 (-131.4/98.0)	0.622
∆V_max [\(\frac{cm}{s}\)]	63.4 (-46.1/122.40)	< 0.001	61.9 (-6.80/179.30)	< 0.001	12.2 (-94.0/80.3)	0.298
∆V_diast [\(\frac{cm}{s}\)]	37.8 (16.6/93.9)	< 0.001	67.0 (17.10/129.40)	< 0.001	27.4 (-50.0/96.5)	< 0.001

Abbreviations: Kidney1 collective of patients with chronic kidney disease and fistula, A2/m2 AUC/mean slope of the normalized pressure pulse curve between the systolic maximum and the end of systole at the brachial artery, T_max time point of systolic maximum, V_max/V_diast maximum/diastolic flow velocity at the brachial artery, phys the physiological state, reac the hyperemic state, fist the state close to an arteriovenous fistula, ∆ parameter-differences for the 3 state combinations reac/phys, reac/fist and fist/phys as indicated in the respective column heading, p p-value

ISSN: 1471-2261