Silvia Valverde, MD Gastrointestinal Surgeon Hospital Clinic, Barcelona (Spain) Pancreatic neuroendocrine tumors (P-NETs), or islet cell tumors, arise from pluripotent pancreatic exocrine cells and are relatively uncommon. Their incidence is estimated at fewer than 1 per 100,000 persons per year in Europe and Asia and has increased in recent decades, probably due to modern imaging […]
Silvia Valverde, MD Gastrointestinal Surgeon Hospital Clínic Barcelona Hypothermia can trigger thermoregulatory vasoconstriction, which decreases tissue oxygen tension. It directly impairs immune response and decreases the strength of healing wounds. The chemotaxis and phagocytosis of granulocytes are impaired, as well as the motility of macrophages and oxidative killing by neutrophils. Scarring and the formation of […]
Silvia Valderde Global Surgery “Is the international surgical community ready to prepare training modules for essential surgery?” Dr. Halfdan Mahler, Director General of the World Health Organization (WHO), made this question 40 years ago. He pointed out for the first time that the vast majority of the world’s population has no access to skilled surgical […]
- Silvia Valverde MD.