Study: NCT06319625

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: Rehabilitation therapy
Description: The study lasted 10d for each patient. During the treatment, All the participants were provided with the rehabilitation therapy, which included routine rehabilitation, cognitive training, swallowing function training and nutrition support.~Particularly, due to dysphagia, the patients enrolled might face difficulty in eating. For patients who were able to finish intake via mouth by compensatory means, the consistency, type, and size of food bolus was arranged. For those who cannot acquire sufficient nutrition through oral intake, the nasogastric tube feeding (NGT) was provided.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Rehabilitation therapy
Description: The study lasted 10d for each patient. During the treatment, All the participants were provided with the rehabilitation therapy, which included routine rehabilitation, cognitive training, swallowing function training and nutrition support.~Particularly, due to dysphagia, the patients enrolled might face difficulty in eating. For patients who were able to finish intake via mouth by compensatory means, the consistency, type, and size of food bolus was arranged. For those who cannot acquire sufficient nutrition through oral intake, the nasogastric tube feeding (NGT) was provided.

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Stellate ganglion block
Description: Based on the invention above, the patients in the observation group were provided with Stellate ganglion block , using 1.5ml of 2% Lidocaine hydrochloride (1ml: 0.5mg) and 500ug of Vitamin B12 (1ml: 0.5g). The percutaneous approach via the paratracheal route was used for Stellate ganglion block . The operator stood on the side of the block, instructed the patient to lie supine with a thin pillow placed below the shoulders, and tilted the head 45° towards the blocked side, fully exposing the neck. Then, routine disinfection of the neck skin was performed. The puncture site was located 2.5 cm above the sternoclavicular joint and 1.5 cm lateral to the midline of the neck.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Lidocaine hydrochloride
Description: Based on the invention above, the patients in the observation group were provided with Stellate ganglion block , using 1.5ml of 2% Lidocaine hydrochloride (1ml: 0.5mg) and 500ug of Vitamin B12 (1ml: 0.5g). The percutaneous approach via the paratracheal route was used for Stellate ganglion block . The operator stood on the side of the block, instructed the patient to lie supine with a thin pillow placed below the shoulders, and tilted the head 45° towards the blocked side, fully exposing the neck. Then, routine disinfection of the neck skin was performed. The puncture site was located 2.5 cm above the sternoclavicular joint and 1.5 cm lateral to the midline of the neck.

Intervention type: PROCEDURE
Group type: PLACEBO_COMPARATOR
Intervention: Placebo injection
Description: 1 milliliter of normal saline will be used for injection. The percutaneous approach via the paratracheal route was used for Stellate ganglion block . The operator stood on the side of the block, instructed the patient to lie supine with a thin pillow placed below the shoulders, and tilted the head 45° towards the blocked side, fully exposing the neck. Then, routine disinfection of the neck skin was performed. The puncture site was located 2.5 cm above the sternoclavicular joint and 1.5 cm lateral to the midline of the neck.