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Low dose iodinated contrast material split-bolus 2-phase CT urography on fast kVp switching dual energy CT

Low dose iodinated contrast material split-bolus 2-phase CT urography on fast kVp switching dual energy CT

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-DDT-11001894
Enrollment
Unknown
Registered
2011-09-25
Start date
2012-02-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

urinary tract transitional cell carcinoma

Interventions

Gold Standard:
Index test:

Sponsors

First Hospital of Peking University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. frank or microscopic hematuria, urography did not find the causes of hematuria and needed CT urography to identify; 2. conventional excretory urography, cystoscopy and sonography suggesting or confirming the presence of calculi or malignant disease of the urinary tract and.absence of renal inadequacy (serum creatinine concentration < 133umol/L) and contraindications to the use of iodinated contrast material.

Exclusion criteria

Exclusion criteria: absence of renal inadequacy (serum creatinine concentration < 133umol/L) and contraindications to the use of iodinated contrast material or CT san.

Design outcomes

Primary

MeasureTime frame
attenuation value of urinary tract;urinary tract opacification scores;CNR of urinary tract;radiation dose;—

Countries

China

Contacts

Public ContactXiaoying Wang
cjr.wangxiaoying@vip.163.com+86 10 83572097

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026