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Point-of-care ultrasound of the diaphragm in a liver transplant patient with acute respiratory failure.

ABSTRACT: In some intensive care, nowadays, ultrasound diagnostics have become an extension of the physical examination (like a stethoscope). In this report, we discuss the case of an acute respiratory failure which arose immediately after the end of general anesthesia. An initial bedside ultrasound evaluation applying the 'BLUE protocol' showed no pathological changes capable of explaining the clinical picture; however, by evaluating also the right and left hemidiaphragms, we made a diagnosis of diaphragmatic dysfunction, which would probably have been difficult to diagnose without the aid of the diaphragm ultrasound. We therefore decided to avoid intubation, transfer the patient to the intensive care unit, and treat him conservatively with non-invasive ventilation only. To our knowledge, this is the first case report that has shown the usefulness of ultrasonography in detecting diaphragmatic dysfunction as a cause of acute respiratory failure with a subsequent change in patient management. The use of bedside ultrasonography provides practical functional information on the diaphragmatic function in patients with acute respiratory failure and can also be easily repeated if follow-up is required. This feature is still held in little consideration, but it can affect the diagnosis and the treatment of critically ill patients.

SUBMITTER: Barbariol F

PROVIDER: S-EPMC4388066 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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Project description:Background & aimsSex disparities in liver transplantation (LT) for chronic liver disease have been described. It is unclear if similar disparities exist for acute liver failure (ALF).MethodsAdults waitlisted for LT from 2002 to 2016 with ALF were investigated using the United Network of Organ Sharing database. Clinical characteristics and causative aetiologies were compared between men and women who were waitlisted Status-1. Differences in LT, waitlist removal, and 1-year post-transplant survival were explored.ResultsOf 8,408 patients waitlisted for LT with ALF, 41.3% of men and 63.9% of women were waitlisted Status-1 (p <0.001). Women had significantly higher international normalised ratio, higher frequency of grade 3-4 hepatic encephalopathy, and different aetiologies of ALF than men. On univariable analysis, women were less likely to undergo LT (subdistribution hazard ratio [SHR] 0.90; 95% CI 0.84-0.97) and were more likely to die or be removed from the waitlist as a result of clinical deterioration (SHR 1.14; 95% CI 1.002-1.30) than men. The disparities in LT (HR 0.95; 95% CI 0.87-1.03) and death/clinical deterioration (SHR 1.13; 95% CI 0.99-1.29) were no longer significant on multivariable analysis. On multivariable analysis, there was no difference in 1-year post-transplant survival between men and women.ConclusionsWomen with ALF are more likely to be waitlisted Status-1 than men. There were no clear disparities in LT or waitlist removal. Sex differences in LT and waitlist removal were attenuated on fully adjusted models, suggesting that these disparities may in part be mitigated by Status-1 listing.Lay summaryWomen with acute liver failure appear to be sicker than men and more often require urgent Status-1 waitlisting. There were no sex disparities in waitlist removal because of clinical deterioration or liver transplantation. This is in contrast to chronic liver disease, where sex disparities exist. The Status-1 waitlisting that women with acute liver failure receive may in part mitigate sex disparities in liver transplantation.

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Point-of-care ultrasound of the diaphragm in a liver transplant patient with acute respiratory failure.

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