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      Comparison of multiple fluid status assessment methods in patients on chronic hemodialysis

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          The comet-tail artifact. An ultrasound sign of alveolar-interstitial syndrome.

          Can ultrasound be of any help in the diagnosis of alveolar-interstitial syndrome? In a prospective study, we examined 250 consecutive patients in a medical intensive care unit: 121 patients with radiologic alveolar-interstitial syndrome (disseminated to the whole lung, n = 92; localized, n = 29) and 129 patients without radiologic evidence of alveolar-interstitial syndrome. The antero-lateral chest wall was examined using ultrasound. The ultrasonic feature of multiple comet-tail artifacts fanning out from the lung surface was investigated. This pattern was present all over the lung surface in 86 of 92 patients with diffuse alveolar-interstitial syndrome (sensitivity of 93.4%). It was absent or confined to the last lateral intercostal space in 120 of 129 patients with normal chest X-ray (specificity of 93.0%). Tomodensitometric correlations showed that the thickened sub-pleural interlobular septa, as well as ground-glass areas, two lesions present in acute pulmonary edema, were associated with the presence of the comet-tail artifact. In conclusion, presence of the comet-tail artifact allowed diagnosis of alveolar-interstitial syndrome.
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            American College of Chest Physicians/La Société de Réanimation de Langue Française statement on competence in critical care ultrasonography.

            To define competence in critical care ultrasonography (CCUS). The statement is sponsored by the Critical Care NetWork of the American College of Chest Physicians (ACCP) in partnership with La Société de Réanimation de Langue Française (SRLF). The ACCP and the SRLF selected a panel of experts to review the field of CCUS and to develop a consensus statement on competence in CCUS. CCUS may be divided into general CCUS (thoracic, abdominal, and vascular), and echocardiography (basic and advanced). For each component part, the panel defined the specific skills that the intensivist should have to be competent in that aspect of CCUS. In defining a reasonable minimum standard for CCUS, the statement serves as a guide for the intensivist to follow in achieving proficiency in the field.
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              The respiratory variation in inferior vena cava diameter as a guide to fluid therapy.

              To investigate whether the respiratory variation in inferior vena cava diameter (DeltaD(IVC)) could be related to fluid responsiveness in mechanically ventilated patients. Prospective clinical study. Medical ICU of a non-university hospital. Mechanically ventilated patients with septic shock (n=39). Volume loading with 8 mL/kg of 6% hydroxyethylstarch over 20 min. Cardiac output and DeltaD(IVC) were assessed by echography before and immediately after the standardized volume load. Volume loading induced an increase in cardiac output from 5.7+/-2.0 to 6.4+/-1.9 L/min (P or =15% (responders). Before volume loading, the DeltaD(IVC) was greater in responders than in non-responders (25+/-15 vs 6+/-4%, P<0.001), closely correlated with the increase in cardiac output (r=0.82, P<0.001), and a 12% DeltaD(IVC) cut-off value allowed identification of responders with positive and negative predictive values of 93% and 92%, respectively. Analysis of DeltaD(IVC) is a simple and non-invasive method to detect fluid responsiveness in mechanically ventilated patients with septic shock.
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                Author and article information

                Journal
                International Urology and Nephrology
                Int Urol Nephrol
                Springer Nature
                0301-1623
                1573-2584
                March 2017
                December 10 2016
                March 2017
                : 49
                : 3
                : 525-532
                Article
                10.1007/s11255-016-1473-y
                27943170
                d3fac18a-bfe8-4a51-8f64-1fcd57db18e1
                © 2017

                http://www.springer.com/tdm

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