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During the last decade, the veterinary anesthetics have gained popularity as recreational drugs. The aim of this study was to document the use of "anestecia de caballo" (xylazine) and its consequences among drug users in Puerto Rico. The study combined a cross-sectional survey with 89 drug users and two focus groups conducted in Mayagüez with frontline drug treatment providers. Drug users were recruited from communities of the San Juan metropolitan area using a variety of ethnographic and outreach strategies. A short questionnaire developed for the study collected information on sociodemographics, xylazine use, and its consequences. The two focus groups were conducted to discuss the details related to xylazine use, its consequences, and utilization awareness. The sample comprised 63 males (70.8%) and 26 females with a mean age of 37.2 years. The mean number of years of drug use was 14.3, with a mean frequency of drug use of 5.9 times daily. More than 65% reported speedball as the principal drug of use. The prevalence of xylazine use was 80.7%. More than 42% of the sample used xylazine in a mixture with speedball. The main route of administration of xylazine was injection but 14% reported the use of xylazine by inhalation. More than 35% of the sample reported skin lesions and 21.1% reported at least one overdose episode. Multiple logistic regression analysis revealed that males (OR = 3.47, CI = 1.10-12.00) and those who reported speedball as their main drug of use (OR = 9.34, CI = 2.51-34.70) were significantly more likely to be xylazine users. Focus groups revealed that drug users claimed to recognize the presence of xylaxine in a mixture of speedball based on its effects, taste, the color of the drug (dark brown), and its odor. In conclusion, the use of xylazine among drug users in Puerto Rico seems to be an emerging trend with potentially serious health consequences.

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OBJECTIVE: We analyzed early sexual activity among Hispanic 14 to 15-year-old adolescents residing in a poor neighborhood in Puerto Rico. METHODS: Information from a sample of 325 adolescents was collected from a randomized sample of community households. Logistic regression analysis was used to identify the variables that help explained adolescents' sexual behavior. RESULTS: Adolescents whose parents reported poor communication and poor parent control were more likely to engage in early sexual activity that those peers that did not report this type of family relationship. Adolescents who reported poor parent bonding and lack of discipline were more likely to engage in early sexual relationships. CONCLUSIONS: Intervention and prevention programs need to be aware and address the role of the Hispanic culture in gender differences in early sexual activity in adolescence. If sexual norms related to gender role are changing in Puerto Rico, is a question that needs to be answered in future research.

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INTRODUCTION: The characteristics of social settings are increasingly being recognized as important factors influencing the health of individuals. This study examines the association of neighborhood physical and social disorganization with alcohol consumption in a sample of adolescents 12- to 15-years-old residing in communities of the San Juan metropolitan area with high availability of illicit drugs. METHODS: The sampling frame was developed encompassing all census sectors in three municipalities of the San Juan metropolitan area with outdoor illegal drug-selling areas operating within them. Consent from parents and their adolescent offspring was obtained from 691 of these households for a response rate of 96%. Alcohol use was measured by asking adolescents if they had consumed alcohol during the last 12 months. Neighborhood social disorganization included hearing gunfire in the neighborhood, seeing neighbors selling stolen merchandise and drugs, vandalism, neighbors using alcohol and drugs, and seeing persons carrying weapons. Neighborhood physical disorganization included the presence of abandoned vehicles and buildings in the neighborhood, graffiti, and places where people go to inject drugs. RESULTS: Multiple logistic regression analysis revealed that older participants were more likely to use alcohol. Neighborhood social disorder was significantly associated with alcohol use. The strong positive gradient between neighborhood social disorder and alcohol use remained highly significant after controlling by sociodemographic characteristics. In contrast, neighborhood physical disorder was not significantly associated with alcohol use. CONCLUSION: These findings suggest that social signs of neighborhood disorganization have a more direct influence over adolescents' behaviors than the physical signs. Health professionals need to be cognizant of the strong effects that social environments have on adolescents and develop strategies to address these when intervening with adolescents.

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OBJECTIVE: To introduce the ASSUME study with the presentation of a clinical, socio-demographic, preventive and psychological profile of a geriatric population of patients who receive their health care in the General Internal Medicine Ambulatory Sector of our institution. METHODS: The Assume study is a prospective, randomized trial which is directed at increasing the participation of patients in preventive health care strategies at a primary, secondary and tertiary level. In this paper we focus on the initial stage of the process which aims to define and synthesize predisposing risk factors in the geriatric patient which would be amenable to primary, secondary and tertiary preventive strategies. Through a process of patient interview profiles of a physical, social and psychological nature are have been constructed. With the availability of this profile a clearer definition of the potential benefit of preventive strategies could be established. In this paper we present the initial profile of patients of all patients randomized to the study as of Sept. 01, 1997. RESULTS: A total of 123 patients have been enrolled with 48(39) males and 75(61) females. The mean age of patients is 70 years with a median of 68 years. Cardiovascular disorders establish the leading disease events in our population of patients with Hypertension in 85, Ischemic heart disease in 50, Myocardial Infarction in 19 and 40 with a history of Congestive Heart failure. Diabetes and Heart Failure were seen in 40. An average of 4.4 prescribed drugs per patient was documented. A minority of patients took more than 7 drugs and none took more than 9 medications. Most patients (67 or 55) had not required hospitalizations in the preceding 12 months and none of the patients required more than 4 hospitalizations. The average LOS was 8.60 days. The Preventive Medicine profile reveals a large number of un-vaccinated adults. Regular cigarette smoking was seen in 12. We have used the body mass index as a measure of adequacy of weight. We highlight the number of patients who have a BMI equivalent to an obese, severely obese or morbidly obese category (41). The number of patients who follow a prescribed diet was found to be 54 patients for 44 of the study group. With regards to the interventions primarily designed for early cancer detecting, approximately half of the patients undergo the recommended annual screening interventions. The screening of visual accuracy was reported in 54, dental

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OBJECTIVE: To introduce the ASSUME study with the presentation of a clinical, socio-demographic, preventive and psychological profile of a geriatric population of patients who receive their health care in the General Internal Medicine Ambulatory Sector of our institution. METHODS: The Assume study is a prospective, randomized trial which is directed at increasing the participation of patients in preventive health care strategies at a primary, secondary and tertiary level. In this paper we focus on the initial stage of the process which aims to define and synthesize predisposing risk factors in the geriatric patient which would be amenable to primary, secondary and tertiary preventive strategies. Through a process of patient interview profiles of a physical, social and psychological nature are have been constructed. With the availability of this profile a clearer definition of the potential benefit of preventive strategies could be established. In this paper we present the initial profile of patients of all patients randomized to the study as of Sept. 01, 1997. RESULTS: A total of 123 patients have been enrolled with 48(39%) males and 75(61%) females. The mean age of patients is 70 years with a median of 68 years. Cardiovascular disorders establish the leading disease events in our population of patients with Hypertension in 85%, Ischemic heart disease in 50%, Myocardial Infarction in 19% and 40% with a history of Congestive Heart failure. Diabetes and Heart Failure were seen in 40%. An average of 4.4 prescribed drugs per patient was documented. A minority of patients took more than 7 drugs and none took more than 9 medications. Most patients (67 or 55%) had not required hospitalizations in the preceding 12 months and none of the patients required more than 4 hospitalizations. The average LOS was 8.60 days. The Preventive Medicine profile reveals a large number of un-vaccinated adults. Regular cigarette smoking was seen in 12%. We have used the body mass index as a measure of adequacy of weight. We highlight the number of patients who have a BMI equivalent to an obese, severely obese or morbidly obese category (41%). The number of patients who follow a prescribed diet was found to be 54 patients for 44% of the study group. With regards to the interventions primarily designed for early cancer detecting, approximately half of the patients undergo the recommended annual screening interventions. The screening of visual accuracy was reported in 54%, dental screen (24%) and auditory screening (15%). Nearly a quarter of patients have severe depression. The CAPE testing reveal that in the information and orientation section most patients presented none or light dysfunction(87%). In the conductual phase marked or severe impairment was detected in 12% of patients. In the mental ability section 22% of patients presented marked or severe impairment. CONCLUSION: The geriatric population studied would benefit from modalities which would increment the modern modalities for primary and secondary prevention of disease. Follow-up studies will allow the evaluation of the effectiveness of the conceptual model proposed, which would increment the patient participation in these preventive modalities.

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