Anesthesia & Clinical Research

Anesthesia & Clinical Research
Open Access

ISSN: 2155-6148

Review Article - (2016) Volume 7, Issue 1

Opioid Controversies in Chronic Non Cancer Pain

Dalila Veiga1, José Romão1,2, Luís Azevedo3,4, José Castro Lopes4,5 and Humberto S Machado1,2*
1Anesthesiology and Intensive Care Department- Centro Hospitalar do Porto, Porto, Portugal
2Instituto de Ciências Biomédicas Abel Salazar, Porto, Portugal
3Department of Health Information and Decision Sciences (CIDES), Faculty of Medicine, University of Porto, Portugal
4National Pain Observatory, Faculty of Medicine, University of Porto, Portugal
5Department of Experimental Biology Faculty of Medicine, University of Porto, Portugal
*Corresponding Author: Humberto S Machado, MD MSc PhD, Serviço de Anestesiologia - Centro Hospitalar do Porto Largo Professor Abel Salazar, 4099-001 Porto, Portugal, Tel: +351.935848475 Email:

Abstract