| Predictors for spontaneous stone passage in patients with renal colic secondary to ureteral calculi. | |
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MedLine Citation:
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PMID: 21544652 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: To determine the clinical, laboratory, and imaging variables that can predict spontaneous stone passage in patients with renal colic secondary to ureteral calculi. METHODS: We prospectively analyzed the medical records of 114 patients who admitted to the emergency department for renal colic from June until November of 2010. Forty-six of them were excluded. The presence of ureteral calculi was confirmed by either a kidney-ureter-bladder plain film or an ultrasound or a computer tomography. In all patients, a second visit after 1 month was planned and the stone status was checked by the same imaging techniques. RESULTS: From the 68 patients, 16 had a calculus in the upper ureter, 10 in the mid ureter, and 42 in lower part. Stone size was ranged from 2.3 to 15 mm, 52.9% of them were located in the left ureter and 51.5% were radiopaque. Stones passed spontaneously in 36 patients. In multivariate analysis, serum white blood cell count found to be the most significant predictor (P = 0.028) for spontaneous passage followed by stone size (P = 0.037). In analysis of patients with stone size <10 mm, left side (P = 0.017) and serum white blood cell count (P= 0.032) found to be significant predictors. CONCLUSIONS: Serum white blood cell count is an easy to assay variable in everyday practice. This study showed that its value, at the acute phase of a renal colic, is a significant predictor for stone spontaneous passage and should be considered. Stone size remains a valuable predictor. Stones <10 mm on the left ureter have a higher likelihood to pass spontaneously. |
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Authors:
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Stavros Sfoungaristos; Adamantios Kavouras; Petros Perimenis |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-5 |
Journal Detail:
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Title: International urology and nephrology Volume: - ISSN: 1573-2584 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0262521 Medline TA: Int Urol Nephrol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Urology Department, University Hospital of Patras, 4th Floor Building A, 26504, Rion-Patra, Greece, sfoungaristosst@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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