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PubMed2007

Design and feasibility of a randomized behavioral intervention to reduce distributive injection risk and improve health-care access among hepatitis C virus positive injection drug users: the Study to Reduce Intravenous Exposures (STRIVE).

Hepatitis C virus (HCV) is hyperendemic among injection drug users (IDUs). However, few scientifically proven interventions to prevent secondary transmission of HCV from infected IDUs to others exist. This report describes the design, feasibility, and baseline characteristics of participants enrolled in the Study to Reduce Intravenous Exposure (STRIVE). STRIVE was a multisite, randomized-control trial to test a behavioral intervention developed to reduce distribution of used injection equipment (needles, cookers, cottons, and rinse water) and increase health-care utilization among antibody HCV (anti-HCV) positive IDUs. STRIVE enrolled anti-HCV positive IDU in Baltimore, New York City, and Seattle; participants completed behavioral assessments and venipuncture for HIV, HCV-RNA, and liver function tests (LFTs) and were randomized to attend either a six-session, small-group, peer-mentoring intervention workshop or a time-matched, attention-control condition. Follow-up visits were conducted at 3 and 6 months. At baseline, of the 630 HCV-positive IDUs enrolled (mean age of 26 years, 60% white, 76% male), 55% reported distributive needle sharing, whereas 74, 69, and 69% reported sharing cookers, cottons, and rinse water, respectively. Health-care access was low, with 41% reporting an emergency room as their main source of medical care. Among those enrolled, 66% (418/630) were randomized: 53% (222/418) and 47% (196/418) to the intervention and control conditions, respectively. Follow-up rates were 70 and 73% for the 3- and 6-month visits, respectively. As distributive sharing of used injection equipment was common while reports of receiving HCV care were low, these findings indicate an urgent need for HCV-related interventions with IDUs and demonstrate the acceptability and feasibility to do so.

Adolescent↗
PubMedDate not supplied

Side effects and indwelling times of subcutaneous catheters for insulin injections: a new device for injecting insulin with a minimum of pain in the treatment of insulin-dependent diabetes mellitus.

For 2 months we observed side-effects and indwelling times when using a subcutaneous catheter (Insuflon, Viggo AB, Sweden) for insulin injections. This method is used by approximately 600 children and adolescents with IDDM in Sweden today. 22 children and adolescents aged 4-19 years with a diabetes duration of 4.0 +/- 3.0 (mean +/- SD) years participated. Their HbA1c was 5.8 +/- 1.0%. All used 4-6 dosages of insulin per day. The catheter was placed subcutaneously in the abdominal wall, and replaced by parents when home tests showed increased blood or urine glucose, when the child experienced pain or when skin changes were observed. The 22 patients used 239 catheters with a mean time between changing catheters of 4.8 +/- 2.2 (range 0.5-17) days (= 1147 catheter days). Noted side effects were (% of catheter days): fixation problems, 5.6%; minor infection/irritation (= redness greater than 1 mm), 5.6%; pain, 2.8%; sore skin from plastic wings, 2.4%; itching/dry skin, 2.0%; eczema from band-aid, 1.7%; blocked catheter/injection needle, 1.6%; leakage of insulin, 1.3%, transient lipohypertrophies, 1.1%; hematoma/blood in catheter, 0.8%, and moist skin, 0.3%. No major infections requiring surgical or antibiotic treatment occurred. In conclusion, the use of indwelling insulin catheters seems to be a safe method to lessen the pain of insulin injections with a low frequency of side effects. The long-term metabolic control was not altered in this group of well-controlled children. We therefore find that we can recommend the use of indwelling catheters to children and adolescents who have difficulties with injections because of needle phobia or pain, particularly when using MIT.

Adolescent↗
PubMed1992

Sterility of refrigerated injectable collagen syringes after injection of patient.

BACKGROUND: Injectable collagen has been used for more than 15 years to correct soft tissue cosmetic defects. After injection, the collagen remaining in the syringe is often refrigerated for later use in the same patient, despite manufacturer and Food and Drug Administration recommendations to discard the unused collagen. OBJECTIVE: This study examined the incidence of bacterial contamination of stored collagen. METHODS: Syringe needle tips and collagen from 50 previously used syringes containing either Zyderm I, Zyderm II, or Zyplast were cultured separately under aerobic and anaerobic conditions. Bacterial isolates were identified. RESULTS: Propionibacterium acnes was cultured from 7 of 50 needle tips. One positive needle tip culture grew both P. acnes and Staphylococcus aureus. Bacteria were isolated from only one collagen sample that grew a nonhemolytic streptococcus that may have represented a laboratory contaminant. CONCLUSION: Syringes of collagen stored for repeated use rarely become contaminated with bacteria despite frequent contamination of their needle tips. Skin abscesses after collagen injection should be cultured under anaerobic, as well as aerobic, conditions so that infections caused by P. acnes will not be missed.

Collagen↗
PubMed1986

Cardiovascular and drinking responses elicited by central administration of angiotensin II: differential effects of GABA injected into the ventral tegmental area and spiperone injected into the nucleus accumbens.

The ventral tegmental area and its dopamine projections to the nucleus accumbens have been shown to be involved in goal-directed behavior. This study investigated the contribution of GABAergic input to the ventral tegmental area and dopaminergic input to the nucleus accumbens to the drinking and cardiovascular responses elicited by central administration of angiotensin II. Injections of 25 ng of angiotensin II into a lateral cerebral ventricle of the conscious rat elicited water intakes averaging 8 ml in 15 min with latencies usually less than 3 min. Pretreatment of the nucleus accumbens with spiperone, a dopamine antagonist, or the ventral tegmental area with gamma-amino butyric acid (GABA) produced dose-dependent reductions in water intake and number of laps taken while increasing the latency to drink. Injections of spiperone into the nucleus accumbens in anesthetized animals failed to alter the cardiovascular response elicited following the central administration of angiotensin II. However, administration of GABA into the ventral tegmental of urethane anaesthetized animals attenuated the pressor response normally elicited by central administration of angiotensin II. These findings suggest that GABA input to the ventral tegmental area is involved in both the cardiovascular and drinking responses elicited following central administration of angiotensin II. The dopamine projections to the nucleus accumbens appear only to be involved in the drinking response elicited by central injections of angiotensin II. Divergence of the signals separately accessing the skeletal motor behavioral component and the cardiovascular component elicited by central administration of angiotensin II must occur before the involvement of these dopamine pathways.

Angiotensin II↗
PubMed2004

Hepatitis B virus infection and vaccination among young injection and non-injection drug users: missed opportunities to prevent infection.

INTRODUCTION: We examined correlates of HBV infection and vaccination and the missed vaccination opportunities among young injection drug users (IDUs) and non-injection drug users (NIDUs). METHODS: Two hundred IDUs and 124 NIDUs aged 15-30 years were studied. Demographics, drug use and sexual behaviors, and health and incarceration history data were collected. Serology was conducted for antibodies to HBV-core antigen (anti-HBc) and HBV-surface antigen (anti-HBs). Presence of anti-HBc indicated past HBV infection; presence of anti-HBs alone indicated past vaccination. RESULTS: More IDUs had been infected with HBV in the past than NIDUs (37% versus 19%, P = 0.001). Among male and female IDUs, injection drug use behaviors were significantly associated with past infection. For female IDUs, being African-American and trading sex were also associated with previous infection. Among NIDUs, being female and longer time since sexual debut were associated with past infection. Overall, 11% were vaccinated (10% IDU versus 14% NIDU, P = 0.30). Younger age and drug treatment history were associated with vaccination. Most susceptibles (84%) experienced at least one missed opportunity for vaccination. CONCLUSION: Young drug users remain at high risk for HBV infection. Vaccination rates remain low despite multiple opportunities for vaccination. An integrated HBV immunization effort should be coordinated among venues frequented by young drug users.

Adolescent↗
PubMed2000

Comparative effects of Lunelle monthly contraceptive injection (medroxyprogesterone acetate and estradiol cypionate injectable suspension) and ortho-Novum 7/7/7 oral contraceptive (norethindrone/ethinyl estradiol triphasic) on lipid profiles. Investigators from the Lunelle Study Group.

As part of a 60-week, open-label, nonrandomized, parallel, controlled study comparing a monthly contraceptive injection containing medroxyprogesterone acetate (MPA) 25 mg and estradiol cypionate (E(2)C) 5 mg (Lunelle Monthly Contraceptive Injection) and a norethindrone 0.5, 0.75, 1.0 mg/0.035 mg ethinyl estradiol (NET/EE) triphasic oral contraceptive (Ortho-Novum(R) 7/7/7), a longitudinal examination of lipid profiles was conducted. Lipid parameters were assessed at screening and at weeks 20, 40, and 60 (or the final visit) in 114 women using MPA/E(2)C and 93 using NET/EE (lipid analysis population). Extra blood samples were obtained at weeks 21, 22, and 23 in 61 MPA/E(2)C users and 51 NET/EE users (index-cycle analysis population) to investigate lipid changes during one cycle of use. In the index-cycle population, median changes from screening to week 60 showed a decrease in apolipoprotein (apo) A-I and apo A-II in both groups. MPA/E(2)C users had a decrease in total cholesterol (C), total triglycerides, low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C), with maintenance of the total C/HDL-C ratio. NET/EE users showed an increase in total C and LDL-C, with no change in HDL-C or the total C/HDL-C ratio. Within the index cycle (weeks 20 to 23), median changes in lipid values in both MPA/E(2)C and NET/EE users were generally greatest during the first week after the injection or the start of the pill pack. The results of this first longitudinal examination of serum lipids in US women using MPA/E(2)C confirm earlier findings in women in other countries. However, a direct comparison of the effects of MPA/E(2)C and NET/EE on lipid profiles was not possible in this study because of its design and because of the baseline and pharmacokinetic/pharmacodynamic differences between the two contraceptive groups. The results of this analysis showed that, although overall lipid values decreased, including a significant decrease in HDL cholesterol, the maintenance of the total-C/HDL-C ratio suggests that the effect of MPA/E(2)C on lipid parameters may not negatively affect CVD risk over 1 year of use. However, these results warrant further investigation, given the nature of this trial.

Apolipoprotein A-I↗
PubMed1998

Farewell to bacteremia caused by endoscopic injection--effectiveness of a new injection catheter with a covered tip.

BACKGROUND: Endoscopic injection has recently been reported as effective for several treatments. Because the common channel (suction and biopsy) is usually contaminated with aspirated gastrointestinal juice containing bacteria, often the tip of the injector needle is also. We report a new catheter needle with a covered tip designed to prevent bacteremia from endoscopic injection. METHODS: The new covered needle catheter (Clisco needle) has a 23-gauge retractable needle with a 3 mm extrusion in one lumen. Its distal tip is covered with rubber, blocking infiltration of contaminated gut juice. Ten of these catheters and 10 other disposable needles were inserted through the colonoscope's biopsy channel for 10 patients. Needle tips were cut off after extrusion, and bacteria cultured were counted by standard plate count method. RESULTS: All cultures from ordinary needles grew Escherichia coli, whereas only 3 new needles grew E. coli. Average counts of bacteria cultured from these 3 catheters and 10 disposable needles were 1-250 and 90-6.1 x 10(6), respectively. The difference was highly significant (p < 0.0001). CONCLUSIONS: This new covered needle catheter reduces contaminating bacteria in patients who require endoscopic injection and may prevent bacteremia without antibiotic prophylaxis.

Bacteremia↗
PubMed2003

Post-exposure therapy in mice against experimental rabies: a single injection of DNA vaccine is as effective as five injections of cell culture-derived vaccine.

Two rabies post-exposure therapies were comparatively evaluated: BALB/c mice were challenged at day 0 with rabies virus and then received either a single dose of rabies DNA vaccine administered at day 0, or five doses of cell culture-derived rabies vaccine administered at days 0, 3, 7, 15 and 28. Both regimens, rapidly triggered protective levels of neutralizing antibodies against rabies virus in vaccinated mice. In addition, one injection of DNA vaccine protected 53% of the challenged mice, compared to 40% of mice protected after five injections of cell culture-derived vaccine. We conclude that rabies post-exposure vaccination in BALB/c mice, based on a single administration of rabies DNA vaccine might be at least as effective as five injections of cell culture-derived vaccine.

Animals↗
PubMed1988

Simultaneous capillary gas chromatographic profiling of medium-and long-chain fatty acid methyl esters with split injection. Correction for injection-related discrimination by the 'bracketing' method.

Split injection-related discrimination can be a source of inaccuracy and imprecision in quantitative capillary gas chromatographic profiling methods for compounds with relatively big differences in boiling points, such as the methyl esters of medium- and long-chain fatty acids prepared from biological materials. We systematically investigated a standard containing equal masses of saturated fatty acid methyl esters, with chain lengths from C5 to C26, under different injection conditions, including injection temperature, sample volume and split ratio. Day-to-day performance was studied under one set of conditions. Normalized peak areas, reciprocal response factors, using either C17 or C23 as an internal standard, and 'bracketed' reciprocal response factors (peak area of each analyte divided by half the sum of the peak areas of two adjacent esters were calculated. In all experiments the bracketed reciprocal response factors were found to be closest to unity with the lowest coefficients of variation.

Chromatography, Gas↗
PubMed2000

The multiperson use of non-syringe injection equipment and risk of hepatitis c infection in a cohort of young adult injection drug users, chicago 1997-1999.

PURPOSE: The possibility that hepatitis C virus (HCV) is transmitted via the multiperson use of injection paraphernalia other than syringes has been suggested, but epidemiologic studies to examine the association are difficult to design due to saturation levels of infection in most samples of injection drug users (IDUs). This study (1) assembled a sample of young adult IDUs, among whom hepatitis C infection prevalence was still moderate, (2) measured incident HCV infection, and (3) determined the risk for seroconversion associated with specific forms of sharing injection paraphernalia.METHODS: Between 1997 and 1999, 702 IDUs, 18-30 years old, were interviewed and screened for antibodies to HCV at baseline and at 6 and 12 months post-baseline. Participants were recruited through street outreach, advertising and chain-referral from ethnically diverse neighborhoods in metropolitan Chicago. Data were analyzed using standard survival statistical methods.RESULTS: HCV prevalence was 27% at enrollment. During 296.5 person-years of observation, we observed 37 HCV seroconversions (incidence: 12.5/100 person-years). The adjusted relative hazard (RH) of seroconversion, after controlling for demographic and drug use covariates, was highest for sharing cookers (RH, 3.58; 95% CI 1.47-8.70), followed by sharing rinse water (RH, 2.16; 95% CI 1.03-4.52), and cottons (RH, 1.84; 95% CI 0.95-3.56). Risk associated with syringe sharing was marginally significant, and backloading was unassociated with hepatitis C seroconversion. Adjusting for syringe sharing, the independent effects of sharing cookers and cottons remained significant, and a final model that included each sharing practice demonstrated that sharing cookers had at the strongest association with seroconversion (RH, 3.03; 95% CI 1.05-8.72).CONCLUSIONS: This study suggests that sharing non-syringe paraphernalia may be an important cause of hepatitis C virus transmission between IDUs.

Journal Article↗
PubMed1999

Knowledge of HIV serostatus and preventive behaviour among European injecting drug users: second study. European Community Study Group on HIV in Injecting Drug Users.

The objective of the study was to analyse the effect of knowledge of HIV serostatus on behaviours preventing the acquisition or transmission of HIV among European IDU, and to compare results with a previous similar study conducted 3 years before. Data were gathered in 1992-1993 during a retrospective multicentre cross-sectional study of IDU recruited in 11 European countries, in specialized centers and on the street. We compared, between groups with different HIV serological status (IDU who knew well before their HIV-positive serological status, IDU who knew their HIV-negative serostatus and IDU who did not know before their serological status), the respective proportions of IDU who reported that, during the six months prior to interview, (1) always used condoms, (2) never gave their used injecting equipment to other IDU, (3) always injected drugs safely. We only included IDU who had known their serological status for at least six months prior to interview. Results were compared to the similar survey conducted in 1990. From 2171 IDU recruited, data of 1334 IDU were included in the analysis. Compared with IDU who did not know their HIV serostatus, only IDU knowing their HIV-positive serostatus used condoms significantly more often (37% compared to 15%, rate ratio (RR): 2.4; 95% confidence interval (CI): 1.8-2.3) and never gave their used injecting equipment to other IDU (69% compared to 53%, RR: 1.3; 95% CI: 1.2-1.4). In comparison with the 1990 study, only condom use significantly improved and only for IDU who knew their HIV-negative serostatus (13% compared to 9%, RR: 1.6; 95% CI: 1.1-2.3). This study confirms among European IDU the relation between knowing own HIV serological status to preventive behaviours. However, there were only minor improvements between 1990 and 1992-1993, indicating that prevention of HIV transmission among IDU must be reinforced.

Adult↗
PubMed1999

Lithium dilution cardiac output measurements using a peripheral injection site comparison with central injection technique and thermodilution.

OBJECTIVE: The lithium dilution technique for the measurement of cardiac output by the central injection of lithium chloride was introduced by Linton et al. in 1993. In the present report, we compare lithium dilution cardiac output measurement (LD) by the peripheral injection of lithium chloride (pLD) and by central venous injection (cLD), cardiac output determined by electromagnetic flowmetry (EM), and conventional thermodilution cardiac output measurement (TD) on ten swine. METHODS: The animals were monitored with a pulmonary artery catheter, a femoral artery catheter, and an electromagnetic flowmeter placed around the ascending aorta. cLD, pLD, TD, and EM were determined at the baseline, then in a hyperdynamic state produced by dobutamine administration, at a second baseline, and finally in a hypodynamic state induced by propranolol during deep anesthesia. Data were analyzed by linear regression analysis and the comparison method described by Bland and Altman; bias and precision were calculated using the method of Sheiner and Beal. RESULTS: The correlation coefficient between pLD and EM (0.86) was significantly less than that between cLD and EM (0.96), however it was not significantly different from that between TD and EM (0.85). The precision value of pLD (0.14) was the same as that of TD (0.14). CONCLUSION: The results of the present study indicate that pLD is a reliable technique.

Anesthesia, General↗
PubMed2002

Acoustic variations in reading produced by speakers with spasmodic dysphonia pre-botox injection and within early stages of post-botox injection.

Acoustic analysis of a reading passage was used to identify the abnormal phonatory events associated with adductor spasmodic dysphonia (ADSD) pre- and postinjection of Botulinum Toxin A (Botox). Thirty-one patients (age 22 to 74 years) diagnosed with ADSD were included for study. All patients were new recipients of Botox, and the examination of their voice occurred before and after their initial injection of Botox. Acoustic events were identified from reading samples of the Rainbow Passage produced by each of the patients. These events were examined from sentences containing primarily voiced sound segments. Dependent variables included the number of phonatory breaks, frequency shifts, and aperiodic segments--all variables previously defined by the investigators. Additionally, calculated variables were made of the percentage of time these events occurred relative to the duration of the cumulative voiced segments. A sex- and age-matched control group (+/-2 years) was included for statistical comparison. Results indicated that those with ADSD produced more aberrant acoustic events than the controls. Aperiodicity was the predominant acoustic event produced during the reading, followed by frequency shifts and phonatory breaks. Within the ADSD group, the number of atypical acoustic events decreased following Botox injection. It is important that the occurrence of specific abnormal acoustic events was sufficient to differentiate the disordered speakers from the controls following as well as preceding initial Botox injection, as indicated by discriminant function analysis. This paper complements our previous work using this acoustic analysis method for defining the abnormal events present in the voice of those with ADSD and further suggests that these measures can be used in conjunction with perceptual impressions to differentiate speakers on the basis of initial severity.

Adult↗
PubMed2005

Changes in the sharing of drug injection equipment among street-recruited injection drug users in Chicago, Illinois, 1994--1996.

This study examines changes in the multi-person use of drug injection paraphernalia during the mid-1990s, a time of increasing awareness of HIV transmission modes and availability of prevention programs. Beginning in 1994, 794 street-recruited injection drug users in Chicago were interviewed and followed at 6 and 12 months postbaseline. Random-effects, pattern-mixture logistic regression models were used to determine correlates of five injection-equipment sharing practices, while accounting for repeated measurement and study attrition. At baseline, 45.7% of participants reported receptive syringe sharing in the previous 6 months. Syringe-mediated sharing was reported by 28.7% of participants and the sharing of cookers (65.1%), cotton filters (55.7%), and rinse water (46.9%) was common. During follow-up, the proportion of all sharing behaviors decreased significantly, especially receptive syringe sharing. Participation in a syringe exchange program was associated with reductions in receptive syringe sharing and syringe-mediated sharing, but not the sharing of cookers.

Adolescent↗
PubMed1999

Effect of post-ovulatory age and calcium in the injection medium on the male pronucleus formation and metaphase entry following injection of human spermatozoa into golden hamster oocytes.

The occurrence of parthenogenetic activation is a major hurdle in obtaining sperm chromosome metaphases after heterospecific intracytoplasmic sperm injection (ICSI) of golden hamster oocytes with human spermatozoa. We addressed two potential contributors to parthenogenetic activation namely, post-ovulatory age of the oocyte and Ca2+ content of the injection medium. In serial experiments, hamster oocytes were retrieved at 11.5, 13, 16 and 21 h after the ovulatory dose of human chorionic gonadotrophin (HCG) and microinjected with human spermatozoa suspended alternately in a regular (1.9 mM Ca2+) or a Ca2+-free medium. A progressive decrease in the rates of male pronucleus (MPN) formation and metaphase entry and increase in the rates of parthenogenetic activation without male pronucleus occurred with increasing post-ovulatory age. The favourable influence of Ca2+-free injection medium on the mean rates of MPN and metaphase entry was restricted to the relatively older oocytes (MPN 16 h: 49.5 versus 32.3%, P< 0.008; 21 h: 22.2 versus 11.1%, P< 0.001; metaphase entry 16 h: 36.8 versus 25.1%, P< 0.02; 21 h: 13.3 versus 5.2%, P< 0.01 in the Ca2+-free and regular groups respectively). Our data confirm the increased activation sensitivity with post-ovulatory ageing and its adverse influence on the MPN formation and metaphase entry after heterospecific ICSI of hamster oocytes.

Animals↗
PubMed1998

Safety, tolerability and immunogenicity of concomitant injections in separate locations of M-M-R II, VARIVAX and TETRAMUNE in healthy children vs. concomitant injections of M-M-R II and TETRAMUNE followed six weeks later by VARIVAX.

OBJECTIVES AND STUDY DESIGN: The primary objectives of this study were to compare immunologic responses, antibody persistence, safety and varicella breakthrough rates when VARIVAX (varicella vaccine) is given at the same time as M-M-R II (measles, mumps, rubella vaccine) and TETRAMUNE (conjugate Haemophilus influenzae type b, diphtheria, tetanus and whole cell pertussis vaccine) at separate injection sites (Group A) vs. VARIVAX given 6 weeks after M-M-R II and TETRAMUNE (Group B). Six hundred nine healthy children, 12 to 23 months of age, were randomized to one of two treatment (immunization) groups (Group A and Group B). Blood for antibody titers was drawn on the day of immunization, 6 weeks after each injection and 1 year later. Local and systemic adverse reactions were recorded. Exposure and cases of varicella were documented through a 1-year follow-up period. RESULTS: Measles, mumps and rubella seroconversion rates and geometric mean titers (GMTs) were similar for both treatment groups. Varicella seroconversion rates were also similar between groups. However, varicella GMTs and percent with a varicella-protective level [> or =5.0 glycoprotein (gp) enzyme-linked immunosorbent assay (ELISA) units] did not meet the prespecified criteria for similarity were lower for Group A (GMT 10.5; 82.8% > or =5.0 gp ELISA units) than for Group B (GMT 14.5; 91.2% > or =5.0 gp ELISA units). The GMTs between groups for other antibodies were similar. At the 1-year follow-up antibody titers were comparable in both groups and breakthrough varicella cases appeared generally similar. There were fewer local adverse events (AEs) at the VARIVAX injection sites (9.8% and 2.9%, Group A and B, respectively) than at the TETRAMUNE sites (27.9% and 24.0%). Systemic AEs were not statistically different when M-M-R II was administered alone (8.6%) or concomitantly with VARIVAX (8.9%). When VARIVAX was given alone AEs were 1.8%. The rate of fever > or =102 degrees F after M-M-R II and TETRAMUNE administered together was 10.7% on Days 0 to 3 and 23.7% on Days 7 to 21. When VARIVAX was administered alone, the rate of fever was 5.4% on Days 0 to 3 (P = 0.018) and 10.8% on Days 7 to 21 (P<0.001). CONCLUSION: Because the varicella titers were comparable and varicella breakthrough rates generally similar at 1 year in both groups, we expect that the concomitant administration of VARIVAX with M-M-R II and TETRAMUNE has clinical effectiveness similar to that with VARIVAX 6 weeks after the administration of these other two vaccines. VARIVAX appears to be less reactogenic than M-M-R II and TETRAMUNE.

Antibodies, Bacterial↗
PubMed2005

Impact of gender and sex work on sexual and injecting risk behaviors and their association with HIV positivity among injecting drug users in an HIV epidemic in Togliatti City, Russian Federation.

OBJECTIVES: Togliatti City is witness to a large epidemic of human immunodeficiency virus (HIV) associated with injecting drug use (IDU). GOAL: This study sought to examine whether risk behaviors and risk factors associated with HIV differed across a sample IDUs by gender and sex work. STUDY: A sample of IDU (n = 423) comprising female sex workers (SWs) (n = 66), non-sex workers (nonSWs) (n = 89) and men (n = 268) were recruited by field workers in community settings. Behavioral and HIV prevalence data were collected. RESULTS: HIV prevalence did not differ across the groups ( approximately 56%), but gender adversely affected some risk factors. A comparison of risk behaviors indicated that SWs were more likely to engage in risky injecting behaviors than either men or nonSWs. They were also more likely to report a history of sexually transmitted infections. CONCLUSIONS: IDUs involved in sex work and IDU nonSWs require specific and targeted interventions to facilitate safer injecting and sexual behaviors.

Adolescent↗
PubMed1994

Explanations for sharing injection equipment in injecting drug users and barriers to safer drug use.

We examined the explanations given by a sample of 1245 injecting drug users in Sydney, Australia for accepting used injection equipment. Factor analysis of these reasons revealed three dimensions of sharing: not caring when withdrawing or intoxicated, unavailability of equipment, and not seeing it as high risk or ease of injecting. The most common reasons given were difficulty in obtaining sterile equipment (73% of cases), the dangers not seeming so important when in withdrawal (40%) and sharing being something done with friends or lovers (31%). Most common reasons for not sharing were related to health issues (91% citing AIDS and 67% hepatitis). These data suggest that interventions target provision of sterile equipment, and education which highlights risk situations such as intoxication and withdrawal.

Adult↗