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JAPANESE
JRCT ID: jRCT1022260005

Registered date:08/05/2026

Evaluation of the impact of temporalis muscle surgical manipulation on oral function in perioperative neurosurgical patients

Basic Information

Recruitment status Recruiting
Health condition(s) or Problem(s) studiedPatients undergoing neurosurgical surgery
Date of first enrollment08/05/2026
Target sample size30
Countries of recruitment
Study typeObservational
Intervention(s)

Outcome(s)

Primary OutcomeChange in occlusal force over time
Secondary Outcome1. Temporal muscle thickness changes 2. Oral hygiene status 3. Mouth opening 4. Masticatory function 5. FOIS score 6. Blood biochemical parameters 7. Body weight and BMI changes 8. Food intake 9. Clinical outcomes (surgery, complications, hospital stay)

Key inclusion & exclusion criteria

Age minimum>= 18age old
Age maximumNot applicable
GenderBoth
Include criteria1. Adult patients aged 18 years or older. 2. Patients scheduled to undergo neurosurgical surgery at Fukushima Medical University Hospital or Japanese Red Cross Fukushima Hospital after April 2026. 3. Patients able to provide written informed consent before surgery.
Exclude criteria1. Patients with a history of disease or trauma affecting the oral and maxillofacial region. 2. Patients with dysphagia or swallowing disorders. 3. Patients with cognitive impairment that interferes with study assessments. 4. Patients with diseases causing severe restrictions in nutritional intake (e.g., gastrointestinal obstruction). 5. Patients unable to undergo MRI examination (e.g., pacemaker implantation). 6. Patients considered difficult to follow up (e.g., transfer to another hospital).

Related Information

Contact

Public contact
Name Yoshiyuki Oku
Address 1 Hikarigaoka, Fukushima City, Fukushima 960-1295, Japan Hukushima Japan 960-1295
Telephone +81-24-547-1076
E-mail oku37777@fmu.ac.jp
Affiliation Nutrition Management Department, Fukushima Medical University Hospital
Scientific contact
Name Masazumi Fujii
Address 1 Hikarigaoka, Fukushima City, Fukushima 960-1295, Japan Hukushima Japan 960-1295
Telephone +81-24-547-1111
E-mail fujiimasazumi@gmail.com
Affiliation Department of Neurosurgery, Fukushima Medical University