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FAST accuracy in major pelvic fractures for decision-making of abdominal exploration: Systematic review and meta-analysis.

ABSTRACT: Background:Major pelvic fractures are often associated with intra-abdominal organ injuries. Considering patients' hemodynamic status, Focused Assessment with Sonography for Trauma (FAST) can facilitate decision-making for abdominal exploration. Non-therapeutic exploratory laparotomy from pelvic fractures should be avoided. Aim of this study is to determine the accuracy of FAST in diagnosing significant intraabdominal hemorrhage that leads to determine whether or not to pursue therapeutic abdominal exploration in patients with major pelvic fractures. Material and methods:We systematically reviewed the PubMed and SCOPUS databases from 2009 to 2019 and also using a retrospective review of patients admitted to the Acute Care Surgery service from 2016 to 2019. We performed a meta-analysis by using a random effects model. Results:A total 677 patients were analyzed, 28 cases from our hospital. Mean patient age was 40.8 years. Leading mechanism of injury were motor vehicle collision (44.72%), fall from height (13.41%), and motorcycle collision (13.69%). Average injury severity score (ISS) was 32.5 (range: 24.1-50), and overall mortality rate was 11.65%. The pooled sensitivity, specificity, and accuracy of FAST to identify significant intra-abdominal hemorrhage was 79%,90%, and 93%, respectively (95% confidence interval: 89%-94%). Meta-regression revealed no significant correlation between injury severity score and the accuracy of FAST. Conclusion:Our meta-analysis revealed that FAST in major pelvic fracture accurately detected significant intra-abdominal hemorrhage. Using FAST in the presence of unstable hemodynamics, we can decide to perform abdominal exploration with the expectation of finding significant intra-abdominal hemorrhage require surgically control.

SUBMITTER: Chaijareenont C

PROVIDER: S-EPMC7599368 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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FAST accuracy in major pelvic fractures for decision-making of abdominal exploration: Systematic review and meta-analysis.

Chaijareenont Chunlaches C Krutsri Chonlada C Sumpritpradit Preeda P Singhatas Pongsasit P Thampongsa Tharin T Lertsithichai Panuwat P Choikrua Pattawia P Poprom Napaphat N

Annals of medicine and surgery (2012) 20201024

<h4>Background</h4>Major pelvic fractures are often associated with intra-abdominal organ injuries. Considering patients' hemodynamic status, Focused Assessment with Sonography for Trauma (FAST) can facilitate decision-making for abdominal exploration. Non-therapeutic exploratory laparotomy from pelvic fractures should be avoided. Aim of this study is to determine the accuracy of FAST in diagnosing significant intraabdominal hemorrhage that leads to determine whether or not to pursue therapeutic ...[more]

PMID: 33149904

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Project description:IntroductionPelvic ring fractures in the elderly are often caused by minor trauma. Treatment of these patients is currently based on fracture classification, clinical course, and ability to mobilize. Our aim was to identify morphological fracture characteristics with potential prognostic relevance and evaluate their association with clinical decision making and outcome, as well as their interobserver reliability.MethodsFive fracture characteristics were investigated as potential variables: 1. Extent of the dorsal pelvic ring fracture (absent, unilateral, bilateral); 2. Extent of the ventral pelvic ring fracture (absent, unilateral, bilateral); 3. Presence of a horizontal sacral fracture; 4. Ventral dislocation; 5. Ventral comminution. These characteristics were assessed retrospectively in a series of 548 patients. The association of their presence with the decision to perform surgery, failure of conservative treatment and the length of hospital stay (LOS) was determined. Further, the inter-observer reliability for the specific characteristics was calculated and the relation with survival assessed.ResultsFour of the five evaluated characteristics showed an association with clinical decision making and patient management. In particular the extent of the dorsal fractures (absent vs. unilateral vs. bilateral) (OR = 7.0; p < 00.1) and the presence of ventral comminution/dislocation (OR = 2.4; p = 0.004) were independent factors for the decision to perform surgery. Both the extent of the dorsal fracture (OR = 1.8; p < 0.001) and the presence of ventral dislocation (OR = 1.7; p = 0.003) were independently associated with a prolonged overall LOS. The inter-observer agreement for the fracture characteristics ranged from moderate to substantial. A relevant association with increased mortality was shown for horizontal sacral and comminuted ventral fractures with hazard ratios (HR) of 1.7 (95% CI: 1.1, 2.5; p = 0.008) and HR = 1.5 (95% CI: 1.0, 2.2; p = 0.048).ConclusionIn the elderly, the extent of the dorsal fractures and the presence of ventral comminution/dislocation were associated to the decision to undergo surgery, failure of conservative treatment and length of stay. Survival was related to horizontal sacral fractures and ventrally comminuted fractures. These characteristics thus represent a simplified but highly informative approach for the evaluation of pelvic ring fractures in the elderly. This approach can support clinical decision making, promote patient-centred treatment algorithms and thus improve the outcome of individualized care.

Project description:BackgroundPelvic fractures are common among blunt trauma patients, and timely and accurate diagnosis can improve patient outcomes. However, it remains unclear whether physical examinations are sufficient in this context. This study aims to perform a systematic review and meta-analysis of studies on the diagnostic accuracy and clinical utility of physical examination for pelvic fracture among blunt trauma patients.MethodsStudies were identified using the MEDLINE, EMBASE, and CENTRAL databases starting from the creation of the database to January 2020. A total of 20 studies (49,043 patients with 8300 cases [16.9%] of pelvic fracture) were included in the quality assessment and meta-analysis. Two investigators extracted the data and evaluated the risk of bias in each study. The meta-analysis involved a hierarchical summary receiver operating curve (ROC) model to calculate the diagnostic accuracy of the physical exam. Subgroup analysis assessed the extent of between-study heterogeneity. Clinical utility was assessed using decision curve analysis.ResultsThe median prevalence of pelvic fracture was 10.5% (interquartile range, 5.1-16.5). The pooled sensitivity (and corresponding 95% confidence interval) of the hierarchical summary ROC parameters was 0.859 (0.761-0.952) at a given specificity of 0.920, which was the median value among the included studies. Subgroup analysis revealed that the pooled sensitivity among patients with a Glasgow Coma Scale score ≥ 13 was 0.933 (0.847-0.998) at a given specificity of 0.920. The corresponding value for patients with scores ≤ 13 was 0.761 (0.560-0.932). For threshold probability < 0.01 with 10-15% prevalence, the net benefit of imaging tests was higher than that of physical examination.ConclusionImaging tests should be performed in all trauma patients regardless of findings from physical examination or patients' levels of consciousness. However, the clinical role of physical examination should be considered given the prevalence and threshold probability in each setting.

Project description:Although computed tomography (CT) of the abdomen and pelvis (A/P) can provide crucial information for managing blunt trauma patients, liberal and indiscriminant imaging is expensive, can delay critical interventions, and unnecessarily exposes patients to ionizing radiation. Currently no definitive recommendations exist detailing which adult blunt trauma patients should receive A/P CT imaging and which patients may safely forego CT. Considerable benefit could be realized by identifying clinical criteria that reliably classify the risk of abdominal and pelvic injuries in blunt trauma patients. Patients identified as "very low risk" by such criteria would be free of significant injury, receive no benefit from imaging and therefore could be safely spared the expense and radiation exposure associated with A/P CT. The goal of this two-phase nationwide multicenter observational study is to derive and validate the use of clinical criteria to stratify the risk of injuries to the abdomen and pelvis among adult blunt trauma patients. We estimate that nation-wide implementation of a rigorously developed decision instrument could safely reduce CT imaging of adult blunt trauma patients by more than 20%, and reduce annual radiographic charges by $180 million, while simultaneously expediting trauma care and decreasing radiation exposure with its attendant risk of radiation-induced malignancy. Prior to enrollment we convened an expert panel of trauma surgeons, radiologists and emergency medicine physicians to develop a consensus definition for clinically significant abdominal and pelvic injury. In the first derivation phase of the study, we will document the presence or absence of preselected candidate criteria, as well as the presence or absence of significant abdominal or pelvic injuries in a cohort of blunt trauma victims. Using recursive partitioning, we will examine combinations of these criteria to identify an optimal "very low risk" subset that identifies injuries with a sensitivity exceeding 98%, excludes injury with a negative predictive value (NPV) greater than 98%, and retains the highest possible specificity and potential to decrease imaging. In Phase 2 of the study we will validate the performance of a decision rule based on these criteria among a new cohort of patients to ensure that the criteria retain high sensitivity, NPV and optimal specificity. Validating the sensitivity of the decision instrument with high statistical precision requires evaluations on 317 blunt trauma patients who have significant abdominal-pelvic injuries, which will in turn require evaluations on approximately 6,340 blunt trauma patients. We will estimate potential reductions in CT imaging by counting the number of abdominal-pelvic CT scans performed on "very low risk" patients. Reductions in charges and radiation exposure will be determined by respectively summing radiographic charges and lifetime decreases in radiation morbidity and mortality for all "very low risk" cases. Trial registration: Clinicaltrials.gov trial registration number: NCT04937868.

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FAST accuracy in major pelvic fractures for decision-making of abdominal exploration: Systematic review and meta-analysis.

Publications

FAST accuracy in major pelvic fractures for decision-making of abdominal exploration: Systematic review and meta-analysis.

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