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Created June 19, 2020, last updated almost 4 years ago.
Collection: 125, Score: 929, Trend score: 0, Read count: 1340, Articles count: 5, Created: 2020-06-19 06:26:51 UTC. Updated: 2021-02-07 07:09:56 UTC.Notes
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Collected Articles
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Recent advances were made in the field of point-of-care ultrasound (POCUS). Thoracic and lung ultrasound have become a rapid and accurate method of diagnosis of hypoxic diseases. The purpose of this article is to review the recent literature on POCUS, emphasizing on its use in the operating room. ⋯ POC thoracic and lung ultrasound is used in many critical medicine fields. The aim of this review is to describe the basic lung ultrasound technique and the knowledge required in order to diagnose and treat the hypoxic patient. Emphasis is on disorder such as pleural effusion, alveolar interstitial disease, as well as pneumothorax, which is of particular importance in the field of anesthesiology.
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Over the last decade there has been increasing interest and enthusiasm in point-of-care ultrasound (POCUS) as an aide to traditional examination techniques in assessing acutely unwell adult patients. However, it currently remains the domain of a relatively small handful of physicians within the UK. ⋯ This review article aims to explore some of the evidence base behind POCUS for a number of medical pathologies, and where possible compare it to evidenced traditional examination techniques. We discuss the issues around training in bedside ultrasound and recommend a push to integrate POCUS training into internal medicine curricula and support trainers to comprehensively deliver this.
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Observational Study
Point-of-care ultrasonography for evaluation of acute dyspnea in the emergency department.
Acute dyspnea is a common symptom in the ED. The standard approach to dyspnea often relies on radiologic and laboratory results, causing excessive delay before adequate therapy is started. Use of an integrated point-of-care ultrasonography (PoCUS) approach can shorten the time needed to formulate a diagnosis, while maintaining an acceptable safety profile. ⋯ PoCUS represents a feasible and reliable diagnostic approach to the patient with dyspnea, allowing a reduction in time to diagnosis. This protocol could help to stratify patients who should undergo a more detailed evaluation.
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Comparative Study Observational Study
Integrating point-of-care ultrasound in the ED evaluation of patients presenting with chest pain and shortness of breath.
The differential diagnoses of patients presenting with chest pain (CP) and shortness of breath (SOB) are broad and non-specific. We aimed to 1) determine how use of point-of-care ultrasound (POCUS) impacted emergency physicians' differential diagnosis, and 2) evaluate the accuracy of POCUS when compared to chest radiograph (CXR) and composite final diagnosis. ⋯ In evaluation of patients with CP and SOB, POCUS is a highly feasible diagnostic test which can assist in narrowing down the differential diagnoses. In patients with a normal thoracic ultrasound, the added value of a CXR may be minimal.
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Comparative Study
Which is better and useful modality of X-ray for diagnosis of pneumothorax at emergency setting: Conventional or invert-grayscale?
Why is this interesting?
Digital radiology systems (PACS) allow point-of-care enhancement and adjustment of x-ray images. 'Inverted grayscale' viewing has been advocated as a way to improve the ability to detect small pneumothoraces on posterior-anterior chest x-rays (CXR).
This case-control cross-over study challenges this practice.
What did they do?
The researchers used CXRs of 106 adult patients with a known spontaneous pneumothorax and 162 matched-controls without pneumothorax, but who had presented with pneumothorax-consistent symptoms.
Using a senior radiologist as the gold standard diagnostician, two groups of five emergency physicians were then allocated to identify the presence of a pneumothorax in all 268 CXRs – one group using inverted grayscale and the other the conventional digital view.
To ensure the groups were comparable, the researchers also had each review a random selection of both inverted and conventional images, and compared how the group diagnostic sensitivities correlated.
Bottom-line:
Surprisingly, the sensitivity of pneumothorax detection was higher for conventional imaging than when using inverted grayscale (91.7% vs 84.5%). Specificity was comparable.
Be smart…
Although the researchers showed the inferiority of isolated inverted-grayscale imaging compared to conventional, it is a technique almost always used alongside first viewing a CXR with conventional contrast. Thus even if inferior, it is unlikely to undermine the diagnostic sensitivity of standard CXR reporting.
summary
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