Article: Évaluation prospective du délai minimum de réalisation de l’IRM prostatique après une biopsie de prostate : facteurs prédictifs cliniques et anatomopathologiques de remaniements hémorragiques.
2018 Volume 28, Issue 2, Page(s) 85–93
Abstract: A minimum delay of 4 to 6 weeks between biopsy and multiparametric prostatic MRI (mpMRI) is admitted due to post-biopsy hemorrhage that can impact MRI reading without strong scientific evidence. The objective of the study was to evaluate the best period ... ...
| Title translation | Estimating minimum period of time to perform prostate MRI after prostate biopsy: Clinical and histological bleeding risk factors; from a prospective study. | |||||
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| Abstract | A minimum delay of 4 to 6 weeks between biopsy and multiparametric prostatic MRI (mpMRI) is admitted due to post-biopsy hemorrhage that can impact MRI reading without strong scientific evidence. The objective of the study was to evaluate the best period between prostate biopsy and 3Tesla mpMRI and searching for predictive factors of intraprostatic blood. Method: A prostate biopsy followed by a 4-week prostate MRI (MRIp M1) was performed. In case of hemorrhage, MRI was rescheduled at 8 and 12 weeks (M2/M3). We analyzed the persistant bleeding to identify risk factors: anticoagulant/antiaggregant, post-biopsy side effects, histological criteria. Results: In this prospective, single-center study, we included 40 patients followed for suspected prostate cancer between December 2014 and March 2016. At the MRIpM1, blood was found for 97.5 % of the patients. The rates were 90.9 % and 88.9 % respectively at the M2 and M3 mpMRI. Compared to initial blood volume on MRIpM1, a significant decrease in blood volume was observed between M1 and M2 (55 %; P=0.0091). We showed a 75 % decrease between M1 and M3 (P=0.0003). Low urinary tract symptoms (LUTS) suggesting urinary infection at 4 weeks were significantly correlated with blood volume on MRIpM1 (P=0.0063). The blood volume was higher in case of unconformity between biopsy and mpMRI results for detection of significant tumors (11.3 vs. 2.3; P=0.0051). Conclusions: A minimum of 8-week biopsy and mpMRI period would limit post-biopsy hemorrhage, predicted by LUTS suggesting urinary infection. A delay of 12 weeks would be optimal without delaying the management of the patient. Level of evidence: 4. |
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| MeSH term(s) | Aged ; Biopsy ; Clinical Protocols ; Hemorrhage/diagnostic imaging ; Humans ; Magnetic Resonance Imaging/statistics & numerical data ; Male ; Middle Aged ; Postoperative Care ; Postoperative Complications/diagnostic imaging ; Prospective Studies ; Prostate/diagnostic imaging ; Prostate/pathology ; Prostatic Diseases/diagnostic imaging ; Prostatic Neoplasms/pathology ; Risk Factors ; Time Factors | |||||
| Language | French | |||||
| Publishing date | 2018-01-12 | |||||
| Publishing country | France | |||||
| Document type | Comparative Study ; Journal Article | |||||
| ZDB-ID | 1186190-3 | |||||
| ISSN | 1166-7087 | |||||
| ISSN | 1166-7087 | |||||
| DOI | 10.1016/j.purol.2017.11.006 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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