Onyedikachi Mmesoma Amagwu

Association between Substance Use Disorders and 30-Day Readmission among Patients with Schizophrenia: A Retrospective Cohort Study Using MIMIC-IV

Onyedikachi Mmesoma Amagwu, Tolulope Y. Ogunyemi, Uwanmwende Dawn Omenai, Oluwabukola J. Adekunle & M. D. Okelue Okobi · International Neuropsychiatric Disease Journal · 2026

Background: Schizophrenia is frequently accompanied by substance use disorders, which complicate clinical management and contribute to recurrent hospitalisation. Evidence regarding the association between substance use disorders and 30-day hospital readmission remains inconsisten...

Open access Research Article 10.9734/indj/2026/v23i5576

Opioid-Free Versus Opioid-Based Anaesthesia for Postoperative Pain and Recovery

Sonay Unsal, Tracy Oshonwoh, Onyedikachi Mmesoma Amagwu & Favour Davies Toluwalola · Asian Journal of Research in Surgery · 2026

Background: Opioid-free anaesthesia has gained attention as a strategy to prevent opioid-related harm, yet its advantages over contemporary opioid-sparing or opioid-inclusive multimodal anaesthesia remain contested. Complete intraoperative opioid avoidance does not necessarily im...

Open access Research Article 10.9734/ajrs/2026/v9i2433