Table 2 Effects of volume expansion in hemodynamic parameters

From: Brachial artery peak velocity variation to predict fluid responsiveness in mechanically ventilated patients

	Pre VE	Post VE
CI, *L/min/m* ²
Responders	2.85 (2.64 to 3.34)	3.74 (2.93 to 4.14)**
Nonresponders	2.76 (2.34 to 4.54)	2.76 (2.53 to 4.57)*
HR, *beats/min*
Responders	102 (90 to 118)†	91 (82 to 109)*
Nonresponders	75 (65 to 101)	77 (68 to 100)
SVi, *mL/m* ²
Responders	30.4 (23.9 to 39)†	37.9 (32.1 to 50.6) ***
Nonresponders	37.8 (30.7 to 47.1)	36.9 (32 to 49)
MAP, *mmHg*
Responders	72 (62 to 78)	81 (65 to 89)**
Nonresponders	78 (69 to 86)	91 (76 to 100)**
SAP, *mmHg*
Responders	102 (80 to 115)†	120 (96 to 139)**
Nonresponders	126 (106 to 141)	141 (115 to 158)***
DAP, *mmHg*
Responders	55 (48 to 59)	58 (50 to 64)*
Nonresponders	52 (45 to 63)	60 (51 to 73)*
TSVRi, *dyn· s· cm* ^-5 · m ²
Responders	1768 (1478 to 2066)	1662 (1333 to 1744)*
Nonresponders	1959 (1258 to 2271)	1930 (1236 to 2582)
CVP, *mmHg*
Responders	7 (4 to 10)	10 (7 to 12) † ***
Nonresponders	8 (6 to 11)	13 (11 to 16)***

Data are expressed as median with interquartile range (25^th to 75^th percentiles). * P < 0.05, ** P < 0.001, *** P < 0.0001 post VE vs pre VE; † P < 0.05 responders vs nonresponders.
CI: cardiac index; CVP: central venous pressure; DAP: diastolic arterial pressure; HR: heart rate; MAP: mean arterial pressure; SAP: systolic arterial pressure; Svi: stroke volume index; TSVRi: total systemic vascular resistance index; VE: volume expansion.

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ISSN: 1364-8535

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