Avtor/Urednik | Spampinato, Sofia; Fokdal, Lars U.; Pötter, Richard; Haie-Meder, Christine; Lindegaard, Jacob Christian; Schmid, Maximilian; Sturdza, Alina; Jürgenliemk-Schulz, Ina Maria; Mahantshetty, Umesh; Šegedin, Barbara | |
Naslov | Importance of the ICRU bladder point dose on incidence and persistence of urinary frequency and incontinence in locally advanced cervical cancer | |
Tip | članek | |
Vol. in št. | , št. Vol. 158 | |
Leto izdaje | 2021 | |
Obseg | str. 300-308 | |
ISSN | 0167-8140 - Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology | |
Jezik | eng | |
Abstrakt | To identify patient- and treatment-related risk factors and dose-effects for urinary frequency and incontinence in locally advanced cervical cancer (LACC) treated with radio(chemo)therapy and image-guided adaptive brachytherapy (IGABT). Material and methods: Physician-assessed (CTCAE) and patient-reported (EORTC) frequency and incontinence recorded in the EMBRACE-I study were analysed. Risk factors analysis was performed in patients without bladder infiltration and with baseline morbidity available. Cox regression was used for CTCAE grade (G) % 3 and G % 2 and for EORTC "very much" and "quite a bit" or worse. Logistic regression was used for late persistent morbidity defined when CTCAE G % 1 or EORTC % "quite a bit" were scored in at least half of follow-ups. Results: Longitudinal data on 1153 and 884 patients were available for CTCAE and EORTC analysis, respectively. Median follow-up was 48[3-120] months. Crude incidence rates of G%2 were 13% and 11% for frequency and incontinence, respectively. Baseline morbidity and overweight-obesity were risk factors for both symptoms. Elderly patients were at higher risk for incontinence. Patients receiving conformal-radiotherapy were at higher risk for frequency. ICRU bladder point (ICRU-BP) dose was a stronger predictor for incontinence than bladder D2cm3. The 5-year actuarial estimate of G % 2 incontinence increased from 11% to 20% with ICRU-BP doses > 75 Gy compared to % 65 Gy. Frequency showed weaker associations with dose. Conclusion: ICRU-BP dose, in addition to clinical parameters, is a risk factor for urinary incontinence and shows a dose-effect after radio(chemo)therapy and IGABT. ICRU-BP dose should be monitored during treatment planning alongside volumetric parameters. Frequency seems associated with larger irradiated volumes. | |
Proste vsebinske oznake | brahiterapija klinične študije lokalno napredovali rak rak materničnega vratu clinical studies brachytherapy locally advanced cancer cervical cancer |