An observational study in Head and Neck Cancer, Fibula Flap and Osteoradionecrosis, sponsored by Chang Gung Memorial Hospital. Completed at 1 site in Taiwan. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-05-24.
Sponsored by Chang Gung Memorial Hospital · Observational
A retrospective analysis of 329 patients at one single institution between January 2014 and December 2019 who underwent free fibula flap reconstruction was conducted. A variety of clinicopathological postoperative parameters were identified and assessed.
The study was conducted as a monocentric, retrospective study. Patients who underwent a mandibular reconstruction with a free fibula flap due to head and neck cancer through January 2014 to December 2019 at one single institution in Taiwan were identified. All charts including surgical records, progress notes, nursing records, clinic notes, imaging study after surgery were reviewed. Data extraction was performed for the following variables: Patient demographics, primary diagnosis, cancer location and staging, treatment prior to index surgery, postoperative hemoglobin and albumin, operating time, flap type, mandibular defect length, type of the defect according to Jewer's classification, ischemia time, number of fibula segments, plate type, re-exploration, time of hospitalization, postoperative radiotherapy and/or chemotherapy, ORN cases, identification time of ORN and management for ORN. The patients were then organized into two groups: ORN and non-ORN. This research was approved by the Institutional Review Board of our hospital (No. 201800172B0), which was available until 2022/02/28. The investigators completed data analysis before 2022/02/28 and then initiated manuscript preparing.
2,710 studies on the registry are indexed under Head and Neck Neoplasms; 594 are open to participants now.
This study's enrollment of 580 is above the median of 100 across 502 observational studies indexed under Head and Neck Neoplasms.
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Between January 2014 and December 2019, 580 patients received free fibula flap mandibular reconstruction, with 374 of them attributed to head and neck cancer reconstruction. Cases with incomplete medical records were excluded (n = 9). Additionally, patients who did not attend at least 6 months of follow-up were also excluded (n = 36). Finally, 329 patients including 309 males and 20 females met the inclusion criteria of this study.
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Exclusion Criteria:
ORN in this study is defined as exposed irradiated bone tissue that fails to heal over a period of three months without residual or recurrent tumors.
Radiation: Radiotherapy
Patients without ORN.
Post-operative radiotherapy for head and neck cancer
The incidence on development osteoradionecrosis(ORN) in free fibula flaps
The incidence of osteoradionecrosis in patients who received free fibula flap reconstruction
Time frame: Up to 7 years postoperatively
Plan to share: No
No publications or documents are linked to this record.
Ran from Mar 2019 to primary completion in Feb 2022, 35 months.
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This study is completed, as verified in Feb 2018. You cannot join it, but the record below documents what was studied.
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