IntroductionA frequently observed fact in clinical practice is the relationship between Substance Abuse Disorders and Personality Disorders (PD). Epidemiological investigations have found that diagnoses of PD seem to increase vulnerability to other pathologies, including substance abuse and addiction, and it is possible to speak of comorbidity or dual pathology.ObjectiveTo describe the comorbidity between PD and substance abuse disorders.MethodsSystematic review of the literature on the subject. The databases consulted were Dialnet, Pubmed and Cochrane.ResultsThe various studies allow estimating that between 65% and 90% of subjects treated for substance abuse or dependence have at least one concomitant PT. Studies show a higher prevalence of Cluster C for alcohol consumption and Histrionic, Narcissistic, Boundary and Antisocial Disorders (Cluster B) for illegal drugs, mainly cocaine. Cluster B is the one that the literature has most related to substance use. It is also the group in which there is a greater predominance of impulsivity, which would be worth remembering its role as a vulnerability factor for addictions.ConclusionsWhat the research has shown is that a good deal of the problems that accompany substance use come from dysfunctional patterns of behavior that are maintained over time with high stability and can justify, in part, both the persistence of The addictive behavior as the difficulty of handling the patients who present them. At present, although the high comorbidity between TP and substance use is sufficiently documented, many questions still remain to be solved.Disclosure of interestThe authors have not supplied their declaration of competing interest.
The importance of polychaeta in the diet of three notothenioids of western Patagonia we determined. By summarizing information published, regarding Patagonotothen tessellata, P. cornucola and Harpagifer bispinis. An analysis of the percentage frequency of occurrence and numerical was performed, considering also the selectivity of prey by size. Nereid polychaeta were the only prey item present in all samples taken, showing high values in percentage frequency of occurrence in the Capitán Aracena Island (72.2%) and 46.2% in Puerto Williams referring P. tessellata and H. bispinis respectively. While for P. cornucola, Nereidae exhibited a frequency of occurrence in Puerto Riquelme of 5.9% and 13.6% in Puerto Williams. The analysis of prey selectivity by size indicated that Polynoidae was the largest prey item followed by Nereidae.
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