Abstract
Objectives
The primary strategy for treating oral squamous cell carcinoma (OSCC) is therapeutic resection, with the trismus resection defect reconstructed via free flap. The most popular free flaps include the radial forearm free flap (RFFF) and anterolateral thigh free flap (ALT). This study investigated the relationships between the hospitalization period and a variety of surgical outcomes, as well as maximum inter-incisor distance (IID), in trismus patients who chewed betel nuts.
Materials and methods
Forty-nine primary OSCC patients who chewed betel nuts and underwent surgical resection and reconstruction between 2010 and 2016 were enrolled in this retrospective study. The data were from a single center in Taiwan. The outcome variable after flap recovery surgery was the duration of postoperative hospitalization. Other factors that were analyzed comprised correlations between hospitalization and a variety of factors, including postoperative inter-incisor distances (IIDs), operative time, gender, and WBC count, upon stratification into two reconstruction groups.
Results
The mean postoperative hospitalization duration in the ALT group was 22.9 ± 7.2 days, which was significantly shorter than that in the RFFF group (27.8 ± 7.0 days; p = 0.019). Two-week postoperative IID (ALT group: 16.1 ± 0.8 mm; RFFF group: 7.0 ± 0.6 mm) was inversely related to the duration of hospitalization (p = 0.022, r = − 0.372).
Conclusions
The ALT flap is more effective than the RFFF flap to reduce the length of hospitalization in trismus patients.
Clinical relevance
The ALT flap should be considered as a first-line technique in OSCC reconstruction in trismus patient reconstruction.
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Funding
This study was supported by research grants from Tri-Service General Hospital, Republic of China (Grant Nos. TSGH-C106-004-006-008-S05, TSGH-C107-008-S06, TSGH-C108-007-008-S06, TSGH-C106-144, TSGH-C105-164, TSGH-C108-189), Ministry of National Defense, Republic of China (Grant No. MAB-106-090), and National Science Council, Taiwan, Republic of China (Grant No. MOST 105-2314-B-016-021-MY3).
This research was also supported by the Cancer Registry Group and Medical Records Room of Tri-Service General Hospital.
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The Ethical Committee of the Tri-Service General Hospital (Taipei, Taiwan) approved this retrospective study (institutional review board protocol no: 2-107-05-021).
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Informed consent was obtained from all individual participants included in the study.
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Chang, WC., Chang, CF., Cheng, CM. et al. Comparison of the hospitalization period after microvascular reconstruction flap in trismus patients: free anterolateral thigh flap versus free forearm flap. Clin Oral Invest 23, 2951–2957 (2019). https://doi.org/10.1007/s00784-018-02799-4
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DOI: https://doi.org/10.1007/s00784-018-02799-4