Abstract:
OBJECTIVES:To investigate the effect of patient age on the stone-free rate (SFR) in patients with urinary calculi treated by extracorporeal shockwave lithotripsy (ESWL). PATIENTS AND METHODS:In all, 2192 solitary radio-opaque urinary stones of 5-15 mm were identified in adult patients receiving primary ESWL. Patients were divided into three age groups, i.e. < or = 40, 41-60 and >60 years (579, 1026 and 587 patients, respectively). Multiple logistic regression was used to assess the effect of age and other possible predicting factors (gender, stone characteristics, e.g. side, site and size, and the type of lithotripter used) on the SFR at 3 months after treatment. RESULTS:The overall adjusted odds ratios (95% confidence interval) for the SFR for those aged 41-60 and >60 years (taking those aged < or= 40 years as the reference) were 0.708 (0.573-0.875; P = 0.001) and 0.643 (0.506-0.818; P < 0.001). However, if the patients were divided into those with renal or ureteric stones, only the SFR of the former was affected by age, and the adjusted odds ratios were 0.665 (0.512-0.864; P = 0.002) and 0.629 (0.470-0.841; P = 0.002), respectively. Ageing had no effect on the SFR for ureteric stones. CONCLUSION:The SFR after ESWL for renal stones, but not ureteric stones, was significantly lower in older patients. Further studies on the effects of ageing on renal stone clearance after ESWL are needed to improve stone management in the elderly population.
journal_name
BJU Intjournal_title
BJU internationalauthors
Ng CF,Wong A,Tolley Ddoi
10.1111/j.1464-410X.2007.06909.xsubject
Has Abstractpub_date
2007-08-01 00:00:00pages
392-5issue
2eissn
1464-4096issn
1464-410Xpii
BJU6909journal_volume
100pub_type
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pub_type: 杂志文章,随机对照试验
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pub_type: 临床试验,杂志文章,多中心研究
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更新日期:2008-11-01 00:00:00
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更新日期:2004-07-01 00:00:00
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更新日期:2001-06-01 00:00:00