The elusive relationship between cardiac filling and fluid responsiveness – Critical Care
Munoz et al. [1] have recentl y published an important pilot study in Critical Care. In 90 mechanically ventilated patients with circulatory failure who were admitted to the intensive care unit (ICU) for less than 24 h, four measures of ‘venous congestion’ (VC) were related to fluid responsiveness (F R) or unresponsiveness (F UR). To score VC, each patient received 1 point for any of the following: (1) a central venous pressure (CVP) > 12 mmHg; (2) a lung ultrasound score (LUS) > 10; (3) a venous