The participants were informed about the research process during the first meeting. Control group patients were administered 4 ml of room temperature water during the initial consultation, under the supervision of a physician, before breakfast, lunch, and dinner. According to the GUSS screening test, patients with severe dysphagia were given 4 ml of water drop by drop with a syringe, in a manner tolerable to the patient, together with the physician, over approximately 15-20 minutes. Stroke patients with severe dysphagia, unable to swallow, had the 4 ml of water administered drop by drop but it flowed out of their mouths as saliva. This procedure was continued for seven days .Patients with dysphagia who had acute ischemic stroke in the control group was evaluated at the first day visit, on the day 7, and day 30. The initial visit and day 7 evaluations were conducted in a clinical setting because the patients were receiving treatment at the neurology clinic.

The participants were informed about the research process during the first meeting. Intervention group patients were administered 4 ml of freshly squeezed lemon juice with a hydrogen power (pH) of 2.8 at room temperature under medical supervision before breakfast, lunch, and dinner. According to the GUSS screening test, patients with severe dysphagia were given 4 ml of lemon juice drop by drop with a syringe, in a manner tolerable to the patient, together with the physician, over approximately 15-20 minutes. Patients with severe dysphagia, due to their inability to swallow, had the 4 ml of lemon juice administered drop by drop, but it flowed out of their mouths as saliva. This application continued for seven days.Patients with dysphagia who had acute ischemic stroke in the control group was evaluated at the first day visit, on the day 7, and day 30. The initial visit and day 7 evaluations were conducted in a clinical setting because the patients were receiving treatment at the neurolo

Sour taste stimulation using freshly squeezed lemon juice administered orally.

Change in the mean scores of the Gugging Swallowing Screen (GUSS) score of the patients at the first interview, on the 7th day and on the 30th day

Change in the mean scores of the National Institutes of Health Stroke Scale (NIHSS) of the patients at the first interview, on the 7th day and on the 30th day