ArticleJournal of medical ultrasound
Is Combined Ultrasound with Radiography Sufficient for the Diagnosis of Obstructive Ureteric Stone in Patients with Acute Flank Pain?
Article in Journal of medical ultrasound. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- Evaluation, management, and analysis of demographic and radiological characteristics of patients with renal colic at a tertiary hospital in Somalia.African journal of emergency medicine : Revue africaine de la medecine d'urgence · 2022Article
- A systematic review and meta-analysis of clinical signs, symptoms, and imaging findings in patients with suspected renal colic.Journal of the American College of Emergency Physicians open · 2022Article
- The Use of Visual Analogue Scale Score as a Predicting Tool in Differentiating Renal Colic From Lumbar Back Pain.Cureus · 2021Article
- Highlights from the scientific and educational abstracts presented at the ASER 2017 annual scientific meeting and postgraduate course.Emergency radiology · 2018Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
contextUltrasound (US) is excellent for detection of hydronephrosis but has poor sensitivity for stone detection. In contrast, radiography of the kidney-ureter-bladder has better sensitivity for detection of stone but limited sensitivity for hydronephrosis detection. A combination of these two modalities may improve both sensitivity and specificity for the diagnosis of obstructive ureteric stone.
aimsThis study aims to investigate the diagnostic accuracy of combined US with radiography for the diagnosis of obstructive ureteric stone in adult patients. SETTINGS AND
designRetrospective study with retrospective data collection performed in a 1500-bed university hospital. MATERIALS AND
methodsA total of 90 patients were included. The electronic medical record, radiological reports, laboratory results, and patient management were extracted and analyzed. STATISTICAL ANALYSIS USED: The diagnostic performance of US, radiography, and combined US with radiography were calculated and compared. The computed tomography was used as diagnostic reference.
resultsUS alone had a sensitivity of 73.5%, specificity of 92.7%, and negative predictive value (NPV) of 74.5% for hydronephrosis. When US showed both ureteric stone and hydronephrosis, sensitivity dropped to 14.3% but specificity increased to 100%. Radiography alone had a sensitivity of 34.7%, specificity of 100%, and NPV of 56.2% for the detection of ureteric stone. Combining radiography with US raised the sensitivity for diagnosis of obstructive ureteric stone to 88% with a specificity of 93% and accuracy of 90%.
conclusionsCombined US with radiography was accurate for the diagnosis of obstructive ureteric stone in patients presenting with acute flank pain.
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