Gene/Protein Disease Symptom Drug Enzyme Compound
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To better understand risk factors for falls among community-dwelling elderly, we analyzed data from a sample of elderly Medicare beneficiaries interviewed in 1987 and a year later. Demographic, social, medical, and functional information were obtained by telephone interviews with 736 subjects (68% women) whose average age was 76.5 (range, 65-99). At baseline, 63 subjects reported a fall and 67 reported two or more stumbles without a fall in the past month. At the second interview follow-up information on falls in the past year was obtained on 586 subjects. One hundred twenty-seven (22%) subjects reported one or more falls. Baseline risk factors that were independent predictors of a fall at the second interview included two or more stumbles (adjusted odds ratio [AOR] 2.3, 95% confidence interval [CI], 1.2-4.5), one or more falls (AOR 5.9, 95% CI 2.9-12.2), having spent 4 or more days in bed in the past month (AOR 7.7, 95% CI 1.9-31.0), and self-reported declining health status (AOR 2.0, 95% CI 1.1-3.5). Falls and stumbles are prevalent among community-dwelling elderly. After controlling for covariates, we found subjects who reported two or more stumbles in the past month are at increased risk for a fall in the following year.
J Am Geriatr Soc 1990 Dec
PMID:Multiple stumbles: a risk factor for falls in community-dwelling elderly. A prospective study. 225 71

To measure participation in experimental drug trials among persons with acquired immunodeficiency syndrome (AIDS), we interviewed 4,604 persons at least 18 years of age who were reported to have AIDS to 11 state and city health departments in the United States. Ten percent reported that they were currently in a trial. Current enrollment differed significantly (p < 0.05) by race/ethnicity (blacks, 5%; whites, 14%; Hispanics, 15%), gender (women, 7%; men, 11%), exposure mode (injection drug use, 5%, men who have sex with men, 14%), annual household income (< $10,000, 8%, > or = $10,000, 14%), education (< 12 years, 6%; > or = 12 years, 12%), health care (no regular care, 1%, public care, 8%; private care, 17%), and time since AIDS diagnosis (< or = 6 months, 9%; > 6 months, 12%). Adjusting for all factors and time since AIDS diagnosis, blacks (adjusted odds ratio [AOR] = 0.35, 95% confidence interval [CI] 0.26, 0.47), persons with less than 12 years of education (AOR = 0.71, CI 0.53, 0.96), and those without regular health care (AOR = 0.24, CI 0.10, 0.61) remained less likely to be in a trial. Blacks, those with less than 12 years of education, and persons without regular health care were less likely than other persons with AIDS to be currently enrolled in AIDS trials. To increase enrollment of these persons, researchers must address barriers to participation for these groups.
J Acquir Immune Defic Syndr Hum Retrovirol 1995 Dec 15
PMID:Differences in participation in experimental drug trials among persons with AIDS. 854 36

The objective of the study was to assess the relationship between breastfeeding and lower respiratory tract infections (LRTIs) during the first year of life, with special reference to maternal smoking. A cohort of 3,754 children born in 1992-1993 in the City of Oslo, Norway was recruited and data were collected at birth, 6 and 12 months of age. Complete information was obtained from 3,238 children (follow-up rate 86%). The main outcome was an episode of a LRTI, such as pneumonia, bronchitis or bronchiolitis, based on a self-administered questionnaire addressed to parents when the child was 6 and 12 months old. The outcome was specified as physician-diagnosed. In logistic regression analysis adjusting for confounding, maternal smoking increased the risk of LRTIs in children breastfed for 0-6 months (odds ratio (AOR) 1.7; 95% confidence interval (95% CI) 1.2-2.4), but not essentially when the child was breastfed for more than 6 months (AOR 1.1; 95% CI 0.7-1.6). Short-term breastfeeding (0-6 months) and no maternal smoking was related to an adjusted AOR of LRTIs of 1.3 (95% CI 1.0-1.7), and short-term breastfeeding combined with maternal smoking was related to an adjusted AOR of 2.2 (95% CI 1.6-3.1), as compared with long-term breastfeeding and no maternal smoking. The present study indicates a protective effect of long-term breastfeeding on the risk of lower respiratory tract infection during the first year of life. The results suggest that the protective effect is strongest in children exposed to environmental tobacco smoke.
Eur Respir J 1996 Dec
PMID:Breastfeeding, maternal smoking and lower respiratory tract infections. 898 Sep 79

Cholecystectomies in Victorian public hospitals were evaluated by analysis of hospital morbidity data. The Victorian Inpatient Minimum Dataset (VIMD) contains data on postoperative complications from all cholecystectomies in Victorian public hospitals. Hospital separations associated with cholecystectomy were identified according to Australian national diagnosis-related groups and the procedures were grouped as open, laparoscopic or conversion from laparoscopic to open cholecystectomy (conversion). Postoperative complications were identified by ICD9-CM external-cause codes (E-codes) in the VIMD. The 35593 cholecystectomies performed between 1987-88 and 1993-94 were analysed. A further detailed analysis of all cholecystectomies performed in 1993 was based on logistic regression. This identified the adjusted odds (AOR) of occurrence of complications and included covariates of age, sex, admission type, diagnosis-related group and hospital identification code. The annual frequency of cholecystectomy increased after introduction of laparoscopic cholecystectomy in 1990, and was associated with an increase in rates of separations having adverse events, but laparoscopic cholecystectomy had the lowest rate (66.7 per 1000 separations). Adverse-event rates for open procedures increased to 157.5 per 1000 in 1993-94, and for conversions to 290.0 per 1000. Of 5627 cholecystectomies in 1993, 74.4 per cent were laparoscopic, 21.5 per cent open and 4.1 per cent conversions. Postoperative complications were more likely in males (AOR 1.67, 95 per cent confidence interval (CI) 1.38 to 2.04), in patients admitted as an emergency (1.27, CI 1.01 to 1.60), and in those having open cholecystectomies (2.25, 1.78 to 2.85) or conversions (4.29, 3.05 to 6.03). Analysis of the VIMD has provided information for the evaluation of cholecystectomy. The VIMD is a useful tool for monitoring postoperative complications and the quality of care in Victorian hospitals.
Aust N Z J Public Health 1996 Dec
PMID:Postoperative complications of cholecystectomy in Victorian public hospitals. 911 63

This study aimed to identify risk factors for squamous intraepithelial lesions (SIL) in women with known HIV status and to explore the association between SIL, HPV subtype, and HIV-induced immunosuppression. The study population consisted of women with known HIV serological status who were attending a network of 16 clinical centres in Italy. Detailed behavioural data, clinical and laboratory parameters, and samples for diagnosis of SIL by Papanicolau smear and HPV infection using a polymerase chain reaction (PCR) were obtained from each study participant. The strength of the association between SIL and possible risk factors was assessed calculating crude and adjusted odds ratios derived from univariate analysis and multivariate models. We enrolled 236 women, of whom 135 (57.2%) were HIV-infected. SIL was diagnosed in 57 women (24.1%); of these, 48 (35.6%) were HIV-infected and 9 (8.9%) were HIV-negative. HPV-DNA was detected in 41 (72%) women with SIL and in 45 (25%) women without SIL. HPV-DNA was more often detected among HIV-infected women than among HIV-negative women (40% vs. 32%), but the difference was not statistically significant. Women infected with high-risk types or with low-risk-uncharacterised types of HPV both had a higher risk of SIL compared with HPV-negative women (respectively, AOR: 17.53 and AOR: 2.89). HIV-infected women with severe or moderate immunosuppression were more likely to have SIL than HIV-negative women (respectively, AOR: 7.29 and AOR: 3.09) also independently from HPV infection. Women reporting use of a contraceptive pill had a 2.5 times higher risk of SIL compared with those who never used hormonal contraceptives. The results confirm that high-risk HPV types are strongly associated with SIL, and that HIV infection may strengthen the effect of HPV at cervical level. The use of oral contraceptives may slightly increase the risk of SIL in women with at-risk behaviour for HIV infection.
Eur J Epidemiol 1997 Dec
PMID:Determinants of squamous intraepithelial lesions (SIL) on Pap smear: the role of HPV infection and of HIV-1-induced immunosuppression. DIANAIDS Collaborative Study Group. 947 25

This study was undertaken to identify factors associated with entry into detoxification among injection drug users (IDUs), and to assess the role of needle-exchange programs (NEPs) as a bridge to treatment. IDUs undergoing semiannual human immunodeficiency virus (HIV) tests and interviews were studied prospectively between 1994 and 1998, during which time an NEP was introduced in Baltimore. Logistic regression was used to identify independent predictors of entry into detoxification, stratifying by HIV serostatus. Of 1,490 IDUs, similar proportions of HIV-infected and uninfected IDUs entered detoxification (25% vs. 23%, respectively). After accounting for recent drug use, hospital admission was associated with four-fold increased odds of entering detoxification for HIV-seronegative subjects. Among HIV-infected subjects, hospital admission, outpatient medical care, and having health insurance independently increased the odds of entering detoxification. After accounting for these and other variables, needle-exchange attendance also was associated independently with entering detoxification for both HIV-infected (adjusted odds ratio [AOR] = 3.2) and uninfected IDUs (AOR = 1.4). However, among HIV-infected subjects, the increased odds of detoxification associated with needle exchange diminished significantly over time, concomitant with statewide reductions in detoxification admissions. These findings indicate that health care providers and NEPs represent an important bridge to drug abuse treatment for HIV-infected and uninfected IDUs. Creating and sustaining these linkages may facilitate entry into drug abuse treatment and serve the important public health goal of increasing the number of drug users in treatment.
J Urban Health 1999 Dec
PMID:Needle-exchange attendance and health care utilization promote entry into detoxification. 1060 94

We conducted a case record study comparing liver tests abnormalities in 20 malaria-related acute renal failure cases without cerebral malaria, 52 cerebral malaria cases without other organ impairment, 189 cases of nonsevere malaria associated with a high parasite burden, and 131 cases of mild Plasmodiumfalciparum malaria. Jaundice and hepatomegaly were significantly associated with renal failure (adjusted odds ratio [AOR], 3.3, 95% confidence interval [CI], 1.3-8.6, P = 0.01; and AOR, 1.7 95% CI, 1.13-2.4, P = 0.01) but not with cerebral malaria (AOR, 1, 95% CI, 0.5-2, P = 0.8; and AOR, 1.08, 95% CI, 0.8-1.8, P = 0.5). Patients with acute renal failure were significantly older and had increased liver abnormalities compared with other groups. Although an increase in the proportion of mature schizonts over ring forms was significantly associated with cerebral malaria, it did not seem to have affected acute renal failure. These results suggested that cytoadherence was not the main determinant for renal failure and that jaundice itself may have potentiated the effects of hypovolemia.
Am J Trop Med Hyg 2001 Dec
PMID:Association of hepatomegaly and jaundice with acute renal failure but not with cerebral malaria in severe falciparum malaria in Thailand. 1179 81

Following studies showing an association between helminth infections and protection from cerebral malaria, we compared 22 patients with malaria-associated acute renal failure with 157 patients with moderately severe malaria. Helminths were associated with protection from renal failure (adjusted odds ratio [AOR], 0.16 [0.03-0.85], P = 0.03). Helminth-infected controls were less likely to have jaundice (AOR, 0.39 [0.16-0.96], P = 0.04) or to have peripheral mature schizonts (AOR, 0.2 [0.07-0.62], P = 0.005) than controls without helminths. This suggested that preexisting helminth infections may have been protective by influencing sequestration and obstructive jaundice, 2 possible determinants of acute tubular necrosis.
Am J Trop Med Hyg 2001 Dec
PMID:Helminth infections are associated with protection from malaria-related acute renal failure and jaundice in Thailand. 1179 82

Infectious disease and poor diet are the two proximal causes of malnutrition in children. During the 1990s, integrated nutrition programs implemented by Save the Children (SC) in Viet Nam reduced severe child malnutrition, but it has not been clear if this impact was due primarily to improved diet or reduced disease. The aim of this study was to determine whether a community-based, integrated nutrition program in Viet Nam reduced child morbidity due to diarrhea or acute respiratory infections. Children 5 to 25 months old were randomly selected from randomly assigned intervention and comparison communes. Caregivers of children from the intervention and comparison groups (n = 119 per group) were interviewed about their child's morbidity at program baseline and at study months 2, 4, 6, and 12. Multiple logistic regression and general estimating equations (GEE) were used to evaluate the effect of the intervention on the occurrence of any diarrhea and respiratory illness in the preceding two weeks. Respiratory illness, mainly upper respiratory illness, was more common than diarrheal disease at baseline (54% vs. 6%, respectively). During follow-up, children in the intervention communes had approximately half the respiratory illness experienced by those in comparison communes (AOR = 0.5; p = .001). Diarrheal disease was also lower in the intervention group, although differences were not statistically significant. We conclude that SC's integrated nutrition program was associated with reduced upper respiratory illness, perhaps due to improved hygiene practices and/or improved micronutrient intakes.
Food Nutr Bull 2002 Dec
PMID:Effect of an integrated nutrition program on child morbidity due to respiratory infection and diarrhea in northern Viet Nam. 1250 34

We conducted this study among HIV-infected injection drug users to determine the effect of self-reported alcohol use and prior incarceration at the time of initiating antiretroviral therapy on subsequent HIV-1 RNA suppression. We examined the demographics, recent incarceration history, and drug and alcohol use history from the Vancouver Injection Drug User Study (VIDUS) questionnaire closest to the date of initiating antiretroviral therapy. We linked these data to the HIV/AIDS Drug Treatment Program. There were 234 VIDUS participants who accessed antiretroviral therapy through the Drug Treatment Program from August 1, 1996, to July 31, 2001. In terms of illicit drug use, 196 (84%) reported injecting heroin and cocaine at the time of initiating antiretroviral therapy. Multiple logistic regression revealed that in the 6 months prior to initiating antiretroviral therapy, alcohol use (adjusted odds ratio [AOR] 0.32; 95% CI 0.13-0.81) and incarceration (AOR 0.22; 95% CI 0.09-0.58) were independently associated with lower odds of HIV-1 RNA suppression. Factors positively associated with HIV-1 RNA suppression included: adherence (AOR 1.27; 95% CI 1.06-1.51); lower baseline HIV-1 RNA (AOR 1.30; 95% CI 1.01-1.66); highly active antiretroviral therapy (AOR 4.10; 95% CI 1.56-10.6); months on therapy (AOR 1.1; 95% CI 1.06-1.14). Among HIV-infected injection drug users who were on antiretroviral therapy, any alcohol use and incarceration in the 6 months prior to initiating antiretroviral therapy were negatively associated with achieving HIV-1 RNA suppression. In addition to addiction treatment for active heroin and cocaine use, the identification and treatment of alcohol problems should be supported in this setting. As well, increased outreach to HIV-infected drug users recently released from prison to ensure continuity of care needs to be further developed.
J Urban Health 2003 Dec
PMID:Alcohol use and incarceration adversely affect HIV-1 RNA suppression among injection drug users starting antiretroviral therapy. 1470 14


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