1. Study materials
Between September 2018 and February 2020, 120 patients underwent
surgeries of laryngeal carcinoma at the Otorhinolaryngology, Head and
Neck Surgery Department, ######. The research project was
submitted and approved by the Ethics Committee of our hospital, and
informed consents have been obtained from all patients according to the
Ethics Committee.
Inclusion criteria for enrollment in the study were: (1) diagnosed as
laryngeal carcinoma and classified according to the 8th Edition of the
Union for International Cancer Control-American Joint Committee on
Cancer (UICC-AJCC) TNM staging system;11 (2) patients
who underwent partial laryngectomy; (3) evaluation of swallowing
function preoperatively was normal; (4) with good pulmonary function;
(5) capable to follow the program, participated in the study voluntarily
and signed informed consent. Exclusion criteria were: (1) patients had
nearly total laryngectomy or transoral laser microsurgery; (2) with
serious intraoperative or postoperative complications.