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PubMed2005

Racial misclassification and disparities in cardiovascular disease among American Indians and Alaska Natives.

BACKGROUND: National vital event data suggest that cardiovascular disease (CVD) mortality rates are lower for American Indians and Alaska Natives (AIAN) than for the general US population, but these data are disproportionately flawed for AIAN because of racial misclassification. METHODS AND RESULTS: Vital event data adjusted for racial misclassification and published by the Indian Health Service were used to compare trends in CVD mortality from 1989 to 1991 to 1996 to 1998 between AIAN, US all-races, and US white populations. Without misclassification accounted for, AIAN initially had the lowest mortality rates from major CVD, but by the end of the study, their rates were the highest. Adjustment for misclassification revealed an early and rapidly growing disparity between CVD mortality rates among AIAN compared with rates in the US all-races and white populations. By 1996 to 1998, the age- and misclassification-adjusted number of CVD deaths per 100,000 among AIAN was 195.9 compared with age-adjusted rates of 166.1 and 159.1 for US all races and whites, respectively. The annual percent change in CVD mortality for AIAN was 0.5 compared with -1.8 in the other groups. Regardless of racial misclassification, the most striking and widening disparities were found for middle-aged AIAN, but CVD mortality among AIAN > or =65 years of age was lower than in the other populations. CONCLUSIONS: A previously underrecognized disparity in CVD mortality exists for AIAN, particularly among middle-aged adults. Moreover, these disparities are increasing. Efforts to reduce CVD mortality in AIAN must begin before the onset of middle age.

Age Factors↗
PubMed1987

The Alaska mental health lands.

The Alaska mental health program is endowed with a 1-million-acre trust fund. A coalition of groups that make up the mental health constituency of the state united in a lawsuit to establish the trust. The history of this legacy, the struggle to realize its benefits, its current status, and some of its psychopolitical significance are discussed.

Alaska↗
PubMedDate not supplied

Preferences of Alaska and New Mexico psychiatrists regarding professionalism and ethics training.

OBJECTIVE: To identify the preferences of practicing licensed psychiatrists in two rural states regarding ethics training. METHOD: All licensed psychiatrists in Alaska and New Mexico were mailed a survey exploring differences in ethical and practice issues between rural and urban health care providers. Data were collected from 97 psychiatrists. RESULTS: Findings indicated a moderate level of interest in training related to a diverse set of ethics topics. Although women expressed greater interest in most topics than did men, ranking of topics was similar across genders. Level of interest in training was inversely related to number of years in practice. CONCLUSIONS: The psychiatrists in this study indicated some interest in professionalism and ethics training, but did not express the level of need or enthusiasm documented in many studies of physicians-in-training. Creating continuing medical education initiatives that are attuned to the distinct needs and preferences of psychiatrists in clinical practice thus poses many challenges. This may be particularly true for certain aspects of practice, such as ethics and professionalism, that have long been recognized as vital to clinical care, but now are viewed as core competency areas.

Alaska↗
PubMed1998

Mental disorders of Eskimos seen at a community mental health center in western Alaska.

The charts of 343 Eskimos seen at a community mental health center in northwestern Alaska were reviewed, and data on demographic characteristics, DSM-III-R diagnoses, and history of suicide attempts were collected. Substance use disorders were the most common group of mental disorders. Substance use patterns differed substantially according to age and gender. Both children and adults had high rates of attempted suicide (66 percent and 67 percent). Rates of bipolar disorder and eating disorders were substantially lower than those seen in mental health clinics serving the general U.S. population.

Adolescent↗
PubMed2003

Ascaridoid nematodes and associated lesions in stomachs of subadult male northern fur seals (Callorhinus ursinus) on St. Paul Island, Alaska: (1987-1999).

Stomachs from subadult male northern fur seals (SAMs) (Callorhinus ursinus) (n = 5,950) from St. Paul Island, Alaska, were examined from 1987 to 1999 for lesions and parasites. On gross examination of these stomachs, parasite nodules were evident in 92% of the stomachs and active and healing ulcers were found in 14% and 10%, respectively. Prevalence of nematodes from 1987 to 1997 was 88% for 5,700 SAMs for which numbers of parasites were estimated but not identified to the genus level. All nematodes recovered from 250 SAMs examined in 1998 (n = 124; 99% infected) and in 1999 (n = 126; 91% infected) were identified and counted. Prevalences in 1998 and 1999 were 5% and 0% for Anisakis spp., 52% and 18% for Contracaecum spp., and 96% and 89% for Pseudoterranova spp., respectively.

Alaska↗
PubMed2002

Assessment training for practice in American Indian and Alaska Native settings.

The collaborative assessment model is extended as a training model. The experience of psychological assessment in American Indian and Alaska Native communities is often negative due to culturally inappropriate services and test interpretation. It is productive to address this negative experience, using it as a catalyst for learning. Training in measurement and construct validation provides initial basis for critique of negative experience. Training in collaborative assessment procedures then focuses on culturally appropriate assessment service practices, cultural orientation's affect on test interpretation, and multicultural assessment ethics. Writing skills are emphasized, including procedures in report writing for description of local adaptations, norms, and interpretative rules, and integration of the Diagnostic and Statistical Manual for Mental Disorders (4th ed., text revision; American Psychiatric Association, 2000) cultural formulation. Development of local norms and emic tests are emphasized.

Alaska↗
PubMed2005

Using theater to promote cancer education in Alaska.

BACKGROUND: Cancer, a rare disease in the 1950s, is now the leading cause of death among Alaska Natives (AN). METHODS: Building on AN rich traditions of storytelling to share knowledge and wisdom, a 45 minute play, Understanding, was developed to address cancer-related issues specific to AN. RESULTS: Written audience evaluations assessed the impact of this theater-based education. After seeing the play, 327 (94.5%) people reported feeling more comfortable talking about cancer, 265 (66.1%) shared that they had learned about cancer, and 234 (61.7%) wrote healthy ways they intended to change their behavior. CONCLUSION: A postplay discussion provided an opportunity for the audience to share their stories, concerns, beliefs, and feelings.

Adolescent↗
PubMed2006

Creutzfeldt-Jakob disease among American Indians and Alaska Natives in the United States.

The occurrence of Creutzfeldt-Jakob disease (CJD) among American Indians and Alaska Natives in the United States was evaluated using national multiple cause-of-death data and medical information obtained from state health departments. Twelve CJD deaths were identified for 1981 through 2002, and the average annual age-adjusted death rate was 0.47 per million population. This rate was significantly lower than that for whites and similar to the rate for African Americans.

Adult↗
PubMed2006

Testis and antler dysgenesis in sitka black-tailed deer on Kodiak Island, Alaska: Sequela of environmental endocrine disruption?

It had been observed that many male Sitka black-tailed deer (Odocoileus hemionus sitkensis) on Kodiak Island, Alaska, had abnormal antlers, were cryptorchid, and presented no evidence of hypospadias. We sought to better understand the problem and investigated 171 male deer for phenotypic aberrations and 12 for detailed testicular histopathology. For the low-lying Aliulik Peninsula (AP), 61 of 94 deer were bilateral cryptorchids (BCOs); 70% of these had abnormal antlers. Elsewhere on the Kodiak Archipelago, only 5 of 65 deer were BCOs. All 11 abdominal testes examined had no spermatogenesis but contained abnormalities including carcinoma in situ-like cells, possible precursors of seminoma; Sertoli cell, Leydig cell, and stromal cell tumors; carcinoma and adenoma of rete testis; and microlithiasis or calcifications. Cysts also were evident within the excurrent ducts. Two of 10 scrotal testes contained similar abnormalities, although spermatogenesis was ongoing. We cannot rule out that these abnormalities are linked sequelae of a mutation(s) in a founder animal, followed by transmission over many years and causing high prevalence only on the AP. However, based on lesions observed, we hypothesize that it is more likely that this testis-antler dysgenesis resulted from continuing exposure of pregnant females to an estrogenic environmental agent(s), thereby transforming testicular cells, affecting development of primordial antler pedicles, and blocking transabdominal descent of fetal testes. A browse (e.g., kelp) favored by deer in this locale might carry the putative estrogenic agent(s).

Alaska↗
PubMed1996

Particulate air pollution and respiratory disease in Anchorage, Alaska.

This paper examines the associations between average daily particulate matter less than 10 microns in diameter (PM10) and temperature with daily outpatient visits for respiratory disease including asthma, bronchitis, and upper respiratory illness in Anchorage, Alaska, where there are few industrial sources of air pollution. In Anchorage, PM10 is composed primarily of earth crustal material and volcanic ash. Carbon monoxide is measured only during the winter months. The number of outpatients visits for respiratory diagnoses during the period 1 May 1992 to 1 March 1994 were derived from medical insurance claims for state and municipal employees and their dependents covered by Aetna insurance. The data were filtered to reduce seasonal trends and serial autocorrelation and adjusted for day of the week. The results show that an increase of 10 micrograms/m3 in PM10 resulted in a 3-6% increase in visits for asthma and a 1-3% increase in visits for upper respiratory diseases. Winter CO concentrations were significantly associated with bronchitis and upper respiratory illness, but not with asthma. Winter CO was highly correlated with automobile exhaust emissions. These findings are consistent with the results of previous studies of particulate pollution in other urban areas and provide evidence that the coarse fraction of PM10 may affect the health of working people.

Air Pollutants↗
PubMed1997

Exposure to regular gasoline and ethanol oxyfuel during refueling in Alaska.

Although most people are thought to receive their highest acute exposures to gasoline while refueling, relatively little is actually known about personal, nonoccupational exposures to gasoline during refueling activities. This study was designed to measure exposures associated with the use of an oxygenated fuel under cold conditions in Fairbanks, Alaska. We compared concentrations of gasoline components in the blood and in the personal breathing zone (PBZ) of people who pumped regular unleaded gasoline (referred to as regular gasoline) with concentrations in the blood of those who pumped an oxygenated fuel that was 10% ethanol (E-10). A subset of participants in a wintertime engine performance study provided blood samples before and after pumping gasoline (30 using regular gasoline and 30 using E-10). The biological and environmental samples were analyzed for selected aromatic volatile organic compounds (VOCs) found in gasoline (benzene, ethylbenzene, toluene, m-/p-xylene, and o-xylene); the biological samples were also analyzed for three chemicals not found in gasoline (1,4-dichlorobenzene, chloroform, and styrene). People in our study had significantly higher levels of gasoline components in their blood after pumping gasoline than they had before pumping gasoline. The changes in VOC levels in blood were similar whether the individuals pumped regular gasoline or the E-10 blend. The analysis of PBZ samples indicated that there were also measurable levels of gasoline components in the air during refueling. The VOC levels in PBZ air were similar for the two groups. In this study, we demonstrate that people are briefly exposed to low (ppm and sub-ppm) levels of known carcinogens and other potentially toxic compounds while pumping gasoline, regardless of the type of gasoline used.

Adult↗
PubMed2006

HIV-related risk behaviors, perceptions of risk, HIV testing, and exposure to prevention messages and methods among urban American Indians and Alaska Natives.

The goal of this study was to describe HIV risk behaviors, perceptions, testing, and prevention exposure among urban American Indians and Alaska Natives (AI/AN). Interviewers administered a questionnaire to participants recruited through anonymous peer-referral sampling. Chi-square tests and multiple logistic regression were used to compare HIV testing by perception of risk and risk behavior status. Of 218 respondents with seronegative or unknown HIV status, 156 (72%, 95% confidence interval [CI]: 66-78%) reported some HIV risk behavior: 57 (26%, 95% CI: 20-32%) high-risk behavior, and 99 (45%, 95% CI: 39-52%), potentially high-risk. Among respondents reporting high-risk behavior, 44% rated themselves at no or low risk for HIV infection. Overall, 180 respondents (83%, 95% CI: 78-88%) had ever received an HIV test, 79 (36%, 95% CI: 31-57%) in the past year. HIV risk behaviors and perception of risk were independently associated with recent HIV testing after adjustment for gender, income, and homelessness (odds ratio [OR] = 3.6; 95% CI: 1.5-9.0 for high-risk behavior vs. no reported risk behavior, and OR: 3.2; 95% CI: 1.3-7.6, for high vs. no perceived risk). Addressing inaccurate perception of risk may be a key to improving uptake of HIV testing among high-risk urban AI/AN.

Adult↗
PubMed2003

Validity of the CRAFFT in American-Indian and Alaska-Native adolescents: screening for drug and alcohol risk.

OBJECTIVE: Native-American adolescents are reported to be at high risk for drug and alcohol use and related negative consequences. A brief screening instrument that is culturally and developmentally appropriate can aid clinicians who work with Native youth in determining whether more extensive assessment of substance use is necessary. The CRAFFT has been shown to be a valid and reliable screen among general adolescent outpatient clinic samples. METHOD: Data were collected as part of the Journeys of the Circle project, a collaborative effort between the Seattle Indian Health Board (SIHB) and the University of Washington's Addictive Behaviors Research Center. Psychometric properties of the CRAFFT were examined in 70 American-Indian and Alaska-Native youths ages 13 to 19 recruited from public schools and SIHBs outpatient clinics. RESULTS: The CRAFFT demonstrated good internal consistency (alpha = 0.81). A score of 2 or higher on the CRAFFT was found to be optimal for capturing youths with high alcohol-related problems (sensitivity, 0.95; specificity, 0.86), frequent alcohol use (sensitivity, 1.00; specificity, 0.72) and frequent marijuana use (sensitivity, 1.00; specificity, 0.75). A cut-point of 3 was appropriate for identifying adolescents with frequent other drug use (sensitivity, 0.86; specificity, 0.76). CONCLUSIONS: The CRAFFT may be a valid instrument for identifying Native youths at risk for alcohol and other drug problems. This brief screen can be effective in helping providers determine the need for further assessment and treatment or prevention services for Native-American adolescents.

Adolescent↗
PubMed1998

Measles outbreak in Juneau, Alaska, 1996: implications for future outbreak control strategies.

OBJECTIVE: To determine the most effective outbreak control strategy for school-based measles outbreaks as the proportion of children with two doses of measles-containing vaccine (MCV) increases. SETTING: A school-based measles outbreak during 1996 involving 63 cases in Juneau, Alaska (population 29 288), where systematic revaccination with MCV was not implemented. DESIGN: A retrospective evaluation using chain-of-transmission data of three possible outbreak control strategies: no school revaccination, targeted school revaccination (affected schools only), and community-wide school revaccination (all schools). Two-dose MCV coverage among students was estimated from school vaccination records and a survey issued to parents. PRIMARY OUTCOME MEASURES: Potentially preventable cases of measles and doses of MCV administered per case prevented. RESULTS: Two-dose MCV coverage among Juneau students was estimated to be 44% and 53% immediately before and after the outbreak, respectively. Of all the measles cases, an estimated 24 to 28 and 27 to 31 were potentially preventable by the targeted and community-wide school revaccination strategies, respectively. Either strategy might have optimally decreased the outbreak duration by 1 month, sparing one of seven affected schools and 10 of 12 unvaccinated children who had measles. Approximately 133 to 155 and 139 to 160 doses of MCV per case prevented would have been required for targeted and community-wide school revaccination, respectively. CONCLUSIONS: Either targeted or community-wide school revaccination would have been effective control strategies for this outbreak. Targeted school revaccination is probably the intervention of choice for school-based measles outbreaks in larger communities with higher two-dose MCV coverage. As two-dose MCV coverage continues to increase in the United States, public health control measures to respond to outbreaks need to be reevaluated.

Adolescent↗
PubMed1999

Trends in diarrhea-associated hospitalizations among American Indian and Alaska native children, 1980-1995.

OBJECTIVE: To describe trends in diarrhea- associated hospitalizations among American Indian and Alaska Native (AI/AN) children and to estimate the morbidity from rotavirus. DESIGN: Retrospective analysis of Indian Health Service hospital discharge records. PATIENTS: AI/AN children 1 month through 4 years of age with a diarrhea-associated diagnosis listed on the hospital discharge record. SETTING: Hospitals on or near US Indian reservations from 1980 through 1995. RESULTS: During 1980 through 1995, 21 669 diarrhea-associated hospitalizations were reported among AI/AN children. The annual incidence of diarrhea-associated hospitalizations declined by 76% from 276 per 10 000 in 1980 to 65 per 10 000 in 1995. The median length of hospital stay decreased from 4 days during 1980-1982 to 2 days during 1993-1995. Diarrhea-associated hospitalizations peaked during the winter months (October through March), especially among children 4-35 months of age, with the peaks appearing first in the Southwest during October and moving to the East in March. In the early years of the study (1980-1982), the rate of diarrhea-associated hospitalizations among AI/AN children (236 per 10 000) was greater than the national rate (136 per 10 000). By the end of the study period (1993-1995), the rate for AI/AN children (71 per 10 000) was similar to the national rate (89 per 10 000), although the rate for AI/AN infants remained higher than the national rate for infants. CONCLUSIONS: Diarrhea-associated hospitalization rates for AI/AN children have declined to a level similar to that of the national population. Rotavirus may be an important contributor to diarrheal morbidity among AI/AN children, underscoring the need for vaccines against this pathogen.

Alaska↗
PubMed1999

The prevention of unintentional injury among American Indian and Alaska Native children: a subject review. Committee on Native American Child Health and Committee on Injury and Poison Prevention. American Academy of Pediatrics.

Among ethnic groups in the United States, American Indian and Alaska Native (AI/AN) children experience the highest rates of injury mortality and morbidity. Injury mortality rates for AI/AN children have decreased during the past quarter century, but remain almost double the rate for all children in the United States. The Indian Health Service (IHS), the federal agency with the primary responsibility for the health care of AI/AN people, has sponsored an internationally recognized injury prevention program designed to reduce the risk of injury death by addressing community-specific risk factors. Model programs developed by the IHS and tribal governments have led to successful outcomes in motor vehicle occupant safety, drowning prevention, and fire safety. Injury prevention programs in tribal communities require special attention to the sovereignty of tribal governments and the unique cultural aspects of health care and communication. Pediatricians working with AI/AN children on reservations or in urban environments are strongly urged to collaborate with tribes and the IHS to create community-based coalitions and develop programs to address highly preventable injury-related mortality and morbidity. Strong advocacy also is needed to promote childhood injury prevention as an important priority for federal agencies and tribes.

Alaska↗
PubMed2002

Outpatient and hospital visits associated with otitis media among American Indian and Alaska native children younger than 5 years.

OBJECTIVE: To describe the burden of otitis media (OM) among American Indian and Alaska Native (AI/AN) children. METHODS: OM morbidity among AI/AN younger than 5 years was evaluated using OM-associated outpatient visit and hospitalization rates. These rates were compared with outpatient and hospitalization rates for the general US population of children younger than 5 years. AI/AN children who were younger than 5 years and receiving care through the Indian Health Service or tribally operated facilities and US children younger than 5 years of age were studied. RESULTS: From 1994--1996, the average annual rate of AI/AN OM-associated outpatient visits was 138 per 100 children younger than 5 years. Among AI/AN children younger than 1 year (infants), these rates were almost 3 times greater than those for US infants (318 vs 110 visits per 100 infants, respectively). AI/AN children 1 to 4 years of age had rates 1.5 times greater than US children of the same age (107 vs 65 visits per 100 children, respectively). AI/AN children also experienced higher rates of OM-associated hospitalization than did US children (5643 vs 2440 per 100 000 infants, 823 vs 665 per 100 000 1- to 4-year-olds). CONCLUSION: We found that AI/AN children, especially AI/AN infants, have higher OM-associated outpatient and hospitalization rates than those for the general US population of children. The disparity in rates suggests that additional prevention programs and continued resources are needed to reduce OM morbidity among AI/AN children.

Alaska↗
PubMed2002

Disparities in infant health among American Indians and Alaska natives in US metropolitan areas.

OBJECTIVE: To determine geographic variation in urban American Indian and Alaska Native (AI/AN) rates of infant mortality, low birth weight, prenatal care use, and maternal-child health care service availability. METHODS: This was a retrospective cohort study using data from the 1989 to 1991 birth-death linked database from the National Center for Health Statistics. We examined births from metropolitan areas with a minimum of 300 AI/AN births during the study period. Key outcomes of interest included rates of low birth weight, neonatal mortality, postneonatal mortality, and women receiving inadequate prenatal care using the modified Kessner index. To determine the type of health services tailored to AI/AN mothers residing in these urban areas, we conducted a telephone survey of the 36 urban Indian health programs operating in 1997 using a semistructured survey. Items in the survey included questions about the availability of prenatal and infant health care. RESULTS: During the 1989 to 1991 study period, there were 72 730 singleton births to AI/AN mothers and/or fathers residing in urban areas, representing 49% of all AI/AN births in the United States. Overall 14.4% of urban AI/AN births were to women who received inadequate care during pregnancy, 5.7% of pregnancies resulted in low birth weight infants, and 11.0 infants died per 1000 live births. Death rates for the neonatal period (5.5 per 1000 births) and postneonatal period (5.4 per 1000 births) were similar. Marked disparity in these indicators exist between pregnancies to AI/AN and white women. Among the 54 metropolitan areas, 46 had a rate ratio (AI/AN: white) for inadequate care of > or =1.5 (range: 0.9-8.5). The mean rate ratios for neonatal and postneonatal mortality were 1.6 (range: 0.3-4.0) and 2.0 (range: 0.5-5.5). There was also considerable geographic variation of AI/AN mortality rates between metropolitan areas in all of the outcomes studied. All of the 20 metropolitan areas with the highest birth counts had some type of direct medical care or outreach services available from an urban clinic targeted toward AI/AN patients. CONCLUSIONS: Considerable variation also exists among rates of AI/ANs between metropolitan areas. Disparity exists in rates of perinatal outcomes between AI/ANs and whites living in the same metropolitan areas Although AI/AN urban health programs exist in most cities with large birth counts, it seems that many have inadequate resources to meet existing needs to improve perinatal outcomes and infant health.

Alaska↗