A nomogram predicts cognitive decline in self-reported hearing-impaired older adults.

Education, urban living, and social activity are key protective factors.

The model shows good performance (AUC 0.728–0.768; C-index >0.71).

Risk scores differ significantly across demographic subgroups.

The nomogram facilitates early identification and targeted prevention.

An affordable set was developed for endonasal surgical training.

Senior rhinologists rated its anatomical accuracy and haptics as realistic.

The set offers a practical solution for repetitive surgical practice.

Image-guided implant placement estimation was effective to install BCHI.

The proposed protocol proved to be replicable in clinical practice.

Relevant findings were identified in 52.9% of subjects, impacting implant placement in 37.3% of cases.

The proposed protocol may increase the safety and efficacy of BCHD surgery.

Triglyceride and cholesterol are causally associated with vestibular vertigo.

Vitamin D mediated the causal effect of cholesterol on vestibular vertigo.

Vitamin D supplement may be helpful treatment of vestibular vertigo.