Table 1
Author, date and countryPatient groupStudy type (level of evidence)OutcomesKey resultsStudy weaknesses
Guice K et al, 1983, USA156 patients having IVP for haematuria following traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/123 patients with microscopic haematuriaPresence of shock or other injuries not addressed
Includes children
Nicolaisen GS et al, 1985, USA306 patients with blunt renal traumaProspective diagnostic cohort studyNumber with significant renal injury0/221 patients with blunt trauma, microscopic haematuria and no shockIncludes children
Fortune JB et al, 1985, USA195 patients having IVP following blunt traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/116 patients with microscopic haematuria
Kisa E et al, 1986, USA50 patients having IVP for blunt abdominal traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/43 patients with microscopic haematuriaAdvocate imaging for patients whose microscopic haematuria does not resolve in 24 hours - ? rationale for this
Cass AS et al, 1986, USA831 patients with haematuria following blunt traumaRetrospective diagnostic cohort studyNumber with significant renal injury1/494 patients with microscopic haematuria and no shock
Hardeman SW et al, 1987, USA506 patients with blunt trauma and haematuriaProspective diagnostic cohort studyNumber with significant renal injury0/365 with microscopic haematuria, no shock and no major injuries
Thomason RB et al, 1988, USA102 patients undergoing IVP after blunt traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/76 patients with microscopic haematuria
Eastham JA et al, 1992, USA317 patients with blunt trauma, microscopic haematuria and no shockRetrospective diagnostic cohort studyNumber with significant renal injury0/28 patients with renal contusions
McAndrew JD et al, 1994, USA1103 patients undergoing radiographic evaluation of the renal tract for suspected renal traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/605 patients with blunt trauma, microscopic haematuria and no shock -1 had a significant renal injury, but also associated lethal head injury
Moller CM et al, 1995, Denmark114 patients suspected of having renal traumaRetrospective diagnostic cohort studyNumber with significant renal injury0/65 patients with microscopic haematuriaIncludes children