N. Abdelrahman

Association of metformin use with vitamin B12 deficiency and peripheral neuropathy in type 2 diabetes mellitus: a systematic review and meta-analysis

Abstract Background Metformin is the first-line pharmacological therapy for type 2 diabetes mellitus (T2DM). However, long-term use has been associated with reduced serum vitamin B12 levels, which may contribute to peripheral neuropathy — a common and debilitating complication of...

Artificial intelligence in electrocardiogram interpretation for cardiovascular diagnosis and risk prediction: a systematic review of evidence through May 2026

Abstract Background Artificial intelligence-enabled electrocardiogram (ECG) analysis has expanded across cardiovascular diagnosis, monitoring, and risk prediction, but published studies vary in methodology, validation, and clinical applicability. We systematically reviewed AI app...