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  • Title: Performance of Focused Assessment with Sonography for Trauma Following Resuscitative Thoracotomy for Traumatic Cardiac Arrest.
    Author: Ghafil C, Matsushima K, Guzman R, Owattanapanich N, Reitz MM, Garapati H, Nwokedi JO, Inaba K.
    Journal: World J Surg; 2022 Jan; 46(1):91-97. PubMed ID: 34550418.
    Abstract:
    BACKGROUND: In patients undergoing resuscitative thoracotomy (RT) for traumatic cardiac arrest, focused assessment with sonography for trauma (FAST) is often used to look for intraperitoneal fluid. These findings can help determine whether abdominal exploration is warranted once return of spontaneous circulation is achieved; however, the diagnostic accuracy of FAST in this clinical scenario has yet to be evaluated. The purpose of this study was to assess the performance of FAST in identifying intra-abdominal hemorrhage following RT. METHODS: We performed a 3-year retrospective study at a high-volume level 1 trauma center from 2014 to 2016. We included patients who underwent RT in the Emergency Department. All FAST examinations were performed by non-radiologists. Operative findings, computed tomography reports, diagnostic peritoneal aspirate (DPA) results, and autopsy findings were used as reference standards to calculate the sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of the FAST. RESULTS: A total of 158 patients met our inclusion criteria. The median age was 35 years (interquartile range [IQR]: 23-53), 86.1% were male, and 60.1% sustained blunt trauma. Most patients suffered severe injuries with a median injury severity score of 27 (IQR: 18-38). The sensitivity, specificity, PPV, NPV, and accuracy of FAST for identifying intra-abdominal hemorrhage were 66.0%, 84.8%, 68.6%, 83.2%, and 78.5%, respectively. Among the 107 patients with a negative FAST, 22 (20.6%) underwent DPA, which was positive in 5 patients. CONCLUSIONS: FAST can be utilized in the diagnostic workup of trauma patients after RT. In patients with a positive FAST, exploratory laparotomy is warranted, whereas other diagnostic adjuncts such as DPA or mandatory abdominal exploration may be considered in patients with a negative FAST.
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