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An effective method to reduce lymphatic drainage post-lateral cervical lymph node dissection of differentiated
Ming-Liang Zhang1, Lou-Ming Guo2, Peng-Cheng Li3
1Department of Oncology Surgery, The First Affiliated Hospital of Bengbu Medical College, No. 287 Changhuai Road, Bengbu, 233003, China. zhangmingliang@bbmc.edu.cn.
Background:
Lymph or chyle leak (LL/CL) is severe complications after lateral cervical lymph node dissection (LLND), mainly due to iatrogenic injury of the lymphatic duct. Efficient and well-operated methods to reduce postoperative drainage are still lacking. This was a feasibility study to evaluate a new method of preventing LL/CL compared to conventional treatment.
Method:
We retrospectively analyzed 20 consecutive patients who used the "pedicled omohyoid flap covering (POFC)" method during LLND from January 2019 to December 2021 in our center as an observation group. Another 20 consecutive patients used the conventional method during LLND in this period as a control group. The clinical and pathological features of the two groups were compared, and the related factors that affected postoperative lymphatic drainage were analyzed with Cox proportional hazards models.
Results:
The drainage volume per 24 h and the incidence of LL/CL in the control group were both higher than that in the observation group (all P < 0.05), and the number of lymph nodes dissected in the IV region > 10 and the use of the POFC method were the independent risk factors that significantly affected the incidence of LL/CL post LLND (all P < 0.05).
Conclusions:
POFC is a safe and useful method for reducing drainage and preventing LL/CL post-LLND, especially for patients with heavy metastasis of the lymph nodes in the IV region.
