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OBJECTIVE: This study aimed to evaluate the relationship between supplemental progesterone use during pregnancy and the development of intrahepatic cholestasis of pregnancy (ICP). STUDY DESIGN: A retrospective, matched case-control study was conducted among a population of women who delivered at George Washington University Hospital (GW) between 2012 and 2022. Women diagnosed with ICP (cases) were identified using International Statistical Classification of Diseases (ICD) codes, and data were collected via chart abstraction. Descriptive data included patient demographics, pregnancy characteristics, and medical history. Laboratory values related to ICP were collected. Cases were matched on a 1:3 ratio by maternal age, body mass index, and gravidarum to women who delivered at GW during the same month and did not carry a diagnosis of ICP (controls). A univariate logistic regression model was created to assess the use of supplemental progesterone between groups, adjusting for the use of assisted reproductive technology in the current pregnancy, and a history of liver disease. RESULTS: One hundred and twenty women who delivered during the study period were confirmed to have a diagnosis of ICP. Cases were matched with 360 controls and measures compared between the two groups. Cases were significantly more likely to have a history of liver disease (5.9 vs. 1.7%, p = 0.0021), multiple gestation (10.0 vs. 3.3%, p < 0.0001), a history of ICP in a previous pregnancy (10.0 vs. 0%, p < 0.0001), and to have delivered at an earlier gestational age (mean 37.1 vs. 38.6 weeks, p < 0.0001) as compared with controls. No differences were seen in the odds of supplemental progesterone use in both unadjusted and adjusted models (OR 1.14, 95% CI 0.30-4.34; adjusted Odds Ratio [aOR] 0.98 0.24-3.94). CONCLUSION: Contrary to recent evidence, no association was seen with the use of supplemental progesterone. It is possible that the associated risk with supplemental progesterone is dependent on medication formulation or route of administration. KEY POINTS: · Supplemental progesterone use in pregnancy may increase the risk of developing ICP.. · Previous investigations of progesterone and ICP have demonstrated mixed results.. · The association may be dependent on the route of administration and formulation of progesterone..
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OBJECTIVES: Extended Focused Assessment with Sonography for Trauma (eFAST) ultrasound exams are central to the care of the unstable trauma patient. We examined six years of eFAST quality assurance data to identify the most common reasons for false positive and false negative eFAST exams. METHODS: This was an observational, retrospective cohort study of trauma activation patients evaluated in an urban, academic Level 1 trauma center. All eFAST exams that were identified as false positive or false negative exams compared with computed tomography (CT) imaging were included. RESULTS: 4860 eFAST exams were performed on trauma patients. 1450 (29.8%) were undocumented, technically limited, or incomplete (missing images). Of the 3410 remaining exams, 180 (5.27%) were true positive and 3128 (91.7%) were true negative. 27 (0.79%) exams were identified as false positive and 75 (2.19%) were identified as false negative. Of the false positive scans, 7 had no CT scan and 8 had correct real-time trauma paper documentation of eFAST exam results when compared to CT and were excluded, leaving 12 false positive scans. Of the false negative scans, 11 were excluded for concordant documentation in real-time trauma room paper documentation, 20 were excluded for no CT scan, and 2 were excluded as incomplete, leaving 42 false negative scans. Pelvic fluid, double-line sign, pericardial fat pad, and the thoracic portion of the eFAST exam were the most common source of errors. CONCLUSION: The eFAST exams in trauma activation patients are highly accurate. Unfortunately poor documentation and technically limited/incomplete studies represent 29.8% of our eFAST exams. Pelvic fluid, double-line sign, pericardial fat pad, and the thoracic portion of the eFAST exam are the most common source of errors.