Journal of cancer research and therapeutics · 2017
Influence of risk factors on stomal recurrence after total laryngectomy for laryngeal carcinomas: A meta-analysis.
СтатьяМетаанализНазвание и аннотация: Перевод пока не подготовлен
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Wang Zhi-Yi, Li Ze-Qin, Ji Han, Chen Wei, Wu Kun-Min, Zhu Min-Hui, Zheng Hong-Liang
Аннотация
BACKGROUND: Total laryngectomy is preserved for those the most advanced larynx cancer and nonsurgical cases. However, stomal recurrence is frequently occurred and leads to high mortality. Herein, we aimed to determine the risk factors for the stomal recurrence after total laryngectomy (SRAL).
METHODS: Databases such as PubMed and EMBASE were comprehensively searched using the keywords "stomal recurrence" and "total laryngectomy." Based on the inclusion and exclusion criteria, qualified studies would be incorporated in this meta-analysis, followed by quality evaluation and data extraction. Risk ratios (RRs) were used.
RESULTS: A total of six studies were included in the meta-analysis, and the pooled RRs showed that subglottic location increased the incidence of stomal recurrence most among the four primary locations. Expectedly, advanced tumor stage before the laryngectomy was the risk factor for stomal recurrence, while lymph node metastases showed no difference in this meta-analysis. Further, preoperative tracheostomy increased two times more risk in the stomal recurrence compared with nonpreoperative surgery.
CONCLUSIONS: In this study, we proved that subglottic location, advanced tumor stage, especially T4 stage, and preoperative tracheostomy were risk factors for SRAL for larynx cancer. However, many other potential risk factors, such as surgical margins, could not be determined for inadequate records. Hence, more prospective trials should be designed to determine the risk factors for SRAL for larynx cancer.
METHODS: Databases such as PubMed and EMBASE were comprehensively searched using the keywords "stomal recurrence" and "total laryngectomy." Based on the inclusion and exclusion criteria, qualified studies would be incorporated in this meta-analysis, followed by quality evaluation and data extraction. Risk ratios (RRs) were used.
RESULTS: A total of six studies were included in the meta-analysis, and the pooled RRs showed that subglottic location increased the incidence of stomal recurrence most among the four primary locations. Expectedly, advanced tumor stage before the laryngectomy was the risk factor for stomal recurrence, while lymph node metastases showed no difference in this meta-analysis. Further, preoperative tracheostomy increased two times more risk in the stomal recurrence compared with nonpreoperative surgery.
CONCLUSIONS: In this study, we proved that subglottic location, advanced tumor stage, especially T4 stage, and preoperative tracheostomy were risk factors for SRAL for larynx cancer. However, many other potential risk factors, such as surgical margins, could not be determined for inadequate records. Hence, more prospective trials should be designed to determine the risk factors for SRAL for larynx cancer.