What does cvp stand for medical

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Notify me of new comments via email. Cancel Report. Create a new account. Log In. Know what is CVP? Got another good explanation for CVP? Table 1. The day mortality rates for these eight stratifications are shown in Figure 2A. Therefore, the effect of reduced CVP on survival was further analyzed. Figure 2. The 24 h CVP dynamic changes and day mortality. Panels B,C show shows the Kaplan-Meier analyses of day survival probabilities when resuscitation standards were met.

The hemodynamic characteristics of all included patients when they met the resuscitation standards or completed resuscitation are shown in Table 2. Six hours after resuscitation therapy, the excluded group did not achieve satisfactory parametric levels, e. Therefore, the excluded groups were excluded from the following study because they needed more time to reach a satisfactory perfusion index. The CI showed the same trend as the CO. Regarding the pulmonary vascular permeability index PVPI , the data from the four groups were not significantly different.

Table 2. Figure 3. After the initial resuscitation was completed, the main interventions for all included patients were target blood pressure improvement, cardiac function enhancement, and fluid therapy.

Vasoactive drug usage, cardiotonic drug usage, and total fluid volume within 24 h of PICCO were retrospectively collected. Table 2 shows that cardiotonic drug use was quite different among these four groups. The curves showed that the SCr of the four groups had a tendency to decline.

Figure 4. This single-center retrospective cohort study explored the relationship between CVP and prognosis. Furthermore, we explored the mechanisms of CVP changes in hemodynamics. Our results confirmed that lower CVP can result in increased CO, which may improve day mortality in specific patients with circulatory shock.

Choosing fluid therapy for these patients requires careful choice. It has been acknowledged that CVP should not be used as the hemodynamic response to a fluid challenge 18 , However, increasing numbers of studies recognize that CVP may be an indicator of poor outcomes. Danziger et al. Legrand et al. To reveal the effects of the CVP and CO relationship on prognosis, the patients were divided into four groups.

One potential mechanism of lower CVP and higher survival rate may be that reduced pressure of the VR can improve kidney congestion Therefore, appropriately lower CVP levels are conducive to maintaining normal physiological organ function. Based on the abovementioned factors, lower CVP is better. Therefore, a heart function curve must be used to illustrate the hemodynamic characteristics of higher CO induced by CVP reduction.

Inotrope use and dehydration perhaps produced hemodynamic effects based on the Starling-Guyton theory 27 , Figure 5. Recently, accumulating evidence has suggested that persistent positive fluid balance is associated with higher mortality in sepsis 29 , However, few studies have directly demonstrated the benefits of dehydration in ARDS patients Are there critically ill patients who can benefit from dehydration?

Based on perfusion index satisfaction, the answer is yes. Generally, it is expected that hypoperfusion does not occur when the plasma refilling rate is adequate for hypovolemia prevention.

Excessive fluid removal must be avoided. Our results proved that a negative fluid balance could be achieved during circulation stabilization in some patients with adequate perfusion assisted by vasopressive and inotropic drugs. This study has some limitations. First, it was a single-center, retrospective cohort study including only patients under PICCO monitoring and treatment.

In addition, the sample size is limited. More importantly, we cannot exclude the differences in the indications of different patients when PICCO is placed. The selection bias of why, when, and how to use PICCO catheterization for severely ill patients may affect the final conclusion Second, septic shock patients often have cardiac dysfunction; therefore, the use of vasoactive drugs is common.

Treatment with cardiotonic medications can give only qualitative, not quantitative, results. Finally, the effect of blood flow, pressure, and drug use on venous tension was not fully described due to technical limitations.

We cannot directly measure the resistance of the venous system. Therefore, in summary, prospective randomized control studies should be conducted in the future if possible. In general, this study challenges high-volume resuscitation, which is frequently used in everyday practice. We found that lower CVP is associated with a good prognosis, especially in patients with higher CO derived from CVP reduction, because these patients can exhibit EVLWI-level reduction, cardiac dysfunction amelioration, and renal function improvement through inotrope and dehydration treatment.

The findings of this study can broaden the knowledge of such patients in clinical practice, allowing us to reduce CVP and acquire benefits. The data used to support the findings of this study were provided by DLiu and are under license; thus, they cannot be made freely available. Access to these data will be considered by the author upon request, with permission from the Department of Critical Care Medicine, Peking Union Medical College Hospital.

Written informed consent was obtained from the individual s for the publication of any potentially identifiable images or data included in this article. Share central venous pressure Post the Definition of central venous pressure to Facebook Share the Definition of central venous pressure on Twitter.

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