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Community involvement in the ethical review of genetic research: lessons from American Indian and Alaska Native populations.

The National Bioethics Advisory Commission has proposed that regulatory oversight for research with human subjects be extended beyond the protection of individual research participants to include the protection of social groups. To accomplish this, the commission recommends that investigators and ethics review boards a) work directly with community representatives to develop study methods that minimize potential group harms, b) discuss group implications as part of the informed consent process, and c) consider group harms in reporting research results. We examine the utility of these recommendations in the context of research with American Indian and Alaska Native communities. Because much attention has been given to the question of how best to consult with members of these communities in the design and conduct of research, we believe it behooves investigators to consider the lessons to be learned from research involving American Indians and Alaska Natives. After describing several difficulties surrounding the application of the commission's approach to these research contexts, we propose a research agenda to develop best practices for working with local communities in the ethical assessment of epidemiologic and environmental health research.

Alaska↗

Diabetes prevalence, incidence, and complications among Alaska Natives, 1987.

OBJECTIVE: To provide descriptive epidemiological data on diabetes mellitus among Alaska Natives, including incidence, updated prevalence, and incidence rates of ESRD, LEA, MI, and stroke in the diabetic population. RESEARCH DESIGN AND METHODS: In IHS and tribal contract hospitals and clinics throughout Alaska, Alaskan Indians, Eskimos, and Aleuts living in Alaska with documented diabetes mellitus were studied from 1986 to 1987. RESULTS: The number of diabetic patients increased from 610 to 708, and the prevalence changed from 15.7 to 17.4/1000 (not a statistically significant increase). Incidence rates per 10,000 diabetic person-yr for complications were 38 for ESRD, 69 for LEA, 92 for MI, and 92 for stroke. CONCLUSIONS: The prevalence of diabetes mellitus increased during the period of observation, but not to a statistically significant degree. Incidence rates for diabetes are lower than for the U.S. general population, but complications rates are as high as those in other diabetic populations.

Alaska↗

AIDS surveillance among American Indians and Alaska natives.

To assess the human immunodeficiency virus epidemic among American Indians and Alaska Natives (AI/AN), we examined acquired immunodeficiency syndrome (AIDS) case and seroprevalence data through December 1990. While AI/AN had a low 1990 reported AIDS case rate (4.0/100,000), the increase in diagnosed cases adjusted for reporting delays from 1989 to 1990 was higher (23.1%) among AI/AN than any other racial/ethnic group. Seroprevalence data for military applicants have documented higher rates for AI/AN than for either Whites or Asian/Pacific Islanders.

Acquired Immunodeficiency Syndrome↗

Designing a home health care system for Alaska Natives in Anchorage.

PURPOSE: To design a health care program that allows Alaska Natives to receive culturally appropriate health services in their homes, thus avoiding the trauma of institutionalization and significantly increasing the quality of the patient's life during the course of the treated illness. METHOD: Utilizing the culturally appropriate sensitivity that is found within Tribal Health Corporations, Southcentral Foundation is designing a federally based community health care model to bring health support services into the patient's home. Health Aides and Community Health Representatives play an important role in extending this model into an urban community setting. The cost of care is significantly reduced, as it is more cost-effective to keep patients in their own home environments rather than in institutions. RESULTS: Major outcomes for patients are increased cultural sensitivity to their needs, personal comfort, dignity, and care in their own home surroundings. Outcomes for the federal care system are significant savings and more efficient personalized health care.

Adult↗

Invasive pneumococcal disease in an Alaska native population, 1980 through 1986.

From 1980 through 1986, one hundred fourteen Alaska Native patients from the Yukon-Kuskokwim Delta had community-acquired invasive pneumococcal disease confirmed by isolates of Streptococcus pneumoniae from normally sterile body sites. The annual bacteremia rates per 100,000 persons were 105 cases for all ages, 1195 cases for infants under 2 years of age, and 130 cases for adults over 59 years of age. These were six to 34 times higher than rates reported for other US populations. The most common underlying conditions in infants diagnosed before 24 months of age were previously diagnosed anemia and pneumonia, while alcoholism and anemia were most common in adults. The case-fatality rate for infants under 2 years of age was 3.2%, and the case-fatality rate for adults over 59 years of age was 30%. Serotyping of more than half the isolates identified 96% of these isolates to be present in the currently available pneumococcal polysaccharide vaccine. The pneumococcal disease rates reported herein are likely to be underestimates since most diseases that occur in this region are treated at the village level without laboratory confirmation.

Adolescent↗

Estimating dental treatment needs among American Indians and Alaska Natives.

OBJECTIVE: This paper describes the treatment needs of the American Indian and Alaska Native (Native American) population estimated from the 1991 Indian Health Service Oral Health Status and Treatment Needs Survey (1991 IHS patient survey). METHODS: The average per capita treatment need for the population is expressed both as the number of dental services and clinical time required to provide these services. Values for service minutes also are used to compare treatment needed with the treatment provided. RESULTS: The need for dental care is greatest among adults aged 25-54 years. We anticipate that needs will increase with population growth and as teeth are retained longer. Large amounts of dental needs go unmet each year in the Native American population: because resources are not available to provide all needed care, dental services are prioritized and rationed. The basic premise upon which care is rationed is changing from basic care for all who have access, to more complex care for fewer individuals. This trend may be driven by the opportunity to generate third party revenue offered by more complex procedures. CONCLUSION: Evaluation is needed of the effects of new approaches on oral health and access to dental care.

Adolescent↗

What is the role of diet in the development of cancer in American Indian and Alaska native populations?

BACKGROUND: The associations between diet and cancer in American Indian and Alaska Native (AIAN) populations are not well understood. METHODS: I review current knowledge of the associations between diet and cancer. RESULTS: Studies of diet and cancer are inconsistent. Underlying characteristics of populations could contribute to observed differences. Dietary patterns and energy balance may importantly relate to cancer in AIAN populations. CONCLUSION: Given the differences in cancer incidence and mortality rates in AIAN populations, it is reasonable that diet and lifestyle patterns could contribute to these differences, although we can only speculate as to specific dietary factors in cancer etiology.

Cultural Characteristics↗

Perspectives on suicide prevention among American Indian and Alaska native children and adolescents: a call for help.

Suicide rates among American Indian Alaska Native (AIAN) children and adolescents are the highest in the United States. Risk factors for suicide among AIAN youth include: strained interpersonal relationships, family instability, depression, low self-esteem, and alcohol use or substance abuse. Protective factors include: caring family relationships, supportive tribal leaders, and positive school experiences. Carefully planned, culturally sensitive, comprehensive programs that address the social determinants of health outcomes such as poverty, school failure, familial conflicts, and limited access to health care, should be the focus of blueprints for change for these vulnerable children. Moreover, culturally competent providers are key elements associated with reducing the suicide rates among AIAN children and adolescents.

Adolescent↗

Differences in asthma prevalence between samples of American Indian and Alaska Native children.

OBJECTIVES: To better understand the prevalence of asthma among American Indian and Alaska Native (AI/AN) children and to explore the contribution of locale to asthma symptoms and diagnostic assignment, the authors surveyed AI/AN middle school students, comparing responses from metropolitan Tacoma, Washington (metro WA) and a non-metropolitan area of Alaska (non-metro AK). METHODS: Students in grades 6-9 completed an asthma screening survey. The authors compared self-reported rates of asthma symptoms, asthma diagnoses, and health care utilization for 147 children ages 11-16 self-reporting as AI/AN in metro WA and 365 in non-metro AK. RESULTS: The prevalences of self-reported asthma symptoms were similar for the metro WA and non-metro AK populations, but a significantly higher percentage of metro WA than of non-metro AK respondents reported having received a physician diagnosis of asthma (OR 2.33; 95% CI 1.23, 4.39). The percentages of respondents who reported having visited a medical provider for asthma-like symptoms in the previous year did not differ. CONCLUSIONS: The difference in rates of asthma diagnosis despite similar rates of asthma symptoms and respiratory-related medical visits may reflect differences in respiratory disease patterns, diagnostic labeling practices, or environmental factors. Future attempts to describe asthma prevalence should consider the potential contribution of non-biologic factors such as diagnostic practices.

Adolescent↗

Risk factors for severe respiratory syncytial virus infection among Alaska native children.

OBJECTIVE: The incidence of hospitalization for respiratory syncytial virus (RSV) infection among Alaska Native children is much higher than among non-Native populations in the United States. We conducted this study to better understand factors associated with hospitalization attributable to RSV infection in this high-risk population. DESIGN: Case-control study, including collection of cord blood for RSV-neutralizing antibody measurement. SETTING: Remote region of southwest Alaska served by 1 regional hospital and 2 referral hospitals. SUBJECTS: Case-patients identified through surveillance for RSV infection and matched control subjects without acute respiratory infection hospitalization. RESULTS: Breastfeeding was associated with a lower risk of RSV hospitalization (odds ratio: 0.34), whereas underlying medical conditions (primarily prematurity) were associated with increased risk (odds ratio: 6.25). Environmental factors associated with a higher risk of hospitalization included household crowding (4 or more children in the household and crowding index > or =2). The level of maternal RSV-neutralizing antibody was not associated with the risk of hospitalization. CONCLUSIONS: In this region with extremely high risk of RSV hospitalization, several measures, such as encouraging breastfeeding and reducing household crowding, could reduce the risk of hospitalization attributable to RSV.

Alaska↗

Responding to victimized Alaska Native women in treatment for substance use.

High rates of physical and sexual abuse have been found among Alaska Native women entering a residential treatment program in Fairbanks, Alaska. Little information, however, has been available that describes the nature of such abuse and its relationship to treatment outcome. This article describes the extent of such abuse and reviews factors involved in its onset. The implications of the findings are discussed with an emphasis on how they can be applied to enhance treatment outcome.

Adolescent↗

Alaska Native community assessment: health care services, knowledge of health issues, and health education.

This project gathered information from 32 Alaska Native communities in Bristol Bay, located in southwestern Alaska, regarding use of health care services and knowledge of health care issues. It also educated residents about health care and their role in improving health status, enabling participants to feel that their involvement in planning health care services is important. In conjunction with the University of Washington Community Development Program and the Alaska Center for Rural Health, a household survey was developed. A coordinator in each community was trained, and packets of surveys and health education materials were delivered to each household or post-office box. Completed surveys were returned, confidentially, to the village clinic. An English/Yup'ik cassette tape explaining the project was also available. Results were analyzed by the University of Washington. The findings were determined to be accurate with a 95% confidence level. Of surveys delivered to households, there was a 66% return rate and an overall return rate of 45%.

Adult↗

Dynamics of Helicobacter pylori-specific immunoglobulin G for 2 years after successful eradication of Helicobacter pylori infection in an American Indian and Alaska Native population.

Helicobacter pylori antibodies were measured over 24 months in American Indian and Alaska Native persons who cleared their infections. Two months after treatment, 82% of H. pylori-negative persons remained seropositive. While there were declines in H. pylori antibodies for 12 months, after 24 months 71% of persons remained seropositive.

Alaska↗

American Indians and Alaska Natives: how do they find their path to medical school?

BACKGROUND: American Indians and Alaska Natives (AI/ANs) remain underrepresented in the medical profession. This study sought to understand the supports and barriers that AI/AN students encountered on their path to successful medical school entry. METHOD: The research team analyzed qualitative semistructured, one-on-one, confidential interviews with 10 AI/AN medical students to identify salient support and barrier themes. RESULTS: Supports and barriers clustered in eight categories: educational experiences, competing career options and priorities, health care experiences, financial factors, cultural connections, family and friends, spirituality, and discrimination. Some of the most notable findings of this study include the following: (1) students reported financial barriers severe enough to constrain participation in the medical school application process, and (2) spirituality played an important role as students pursued a medical career. CONCLUSION: Promoting AI/AN participation in medical careers can be facilitated with strategies appropriate to the academic, financial, and cultural needs of AI/AN students.

Adult↗

Measuring the quality of diabetes care for older american indians and alaska natives.

OBJECTIVES: This study evaluated the quality of diabetes care for older American Indians and Alaska Natives. METHODS: We analyzed the Indian Health Service Diabetes Care and Outcomes Audit to determine whether completion of indicators of diabetes care differed as a function of age and whether additional patient and program factors were also associated with completion of the majority of the indicators. RESULTS: Completion rates varied by age group, with significantly lower rates seen among the youngest and oldest. Patient diabetes education and duration of diabetes were most strongly associated with the completion of the majority of these indicators. CONCLUSIONS: Further studies are needed to determine effective interventions, including diabetes education, to improve the quality of diabetes care in the youngest and oldest age groups.

Adult↗

The health status of American Indian and Alaska native males.

OBJECTIVES: This study summarizes current health status information relating to American Indian and Alaska Native (AI/AN) males compared with that of AI/AN females. METHODS: I analyzed published data from the Indian Health Service for 1994 through 1996 to determine sex differences in morbidity and mortality rates and use of health care facilities. RESULTS: AI/AN males' death rates exceed those of AI/AN females for every age up to 75 years and for 6 of the 8 leading causes of death. Accidents, suicide, and homicide are epidemic among AI/AN males. Paradoxically, AI/AN males contribute only 37.9% of outpatient visits, versus 62.1% for females, and only 47% of hospitalizations excluding childbirth. CONCLUSIONS: AI/AN males suffer inordinately from a combination of increased burden of illness and lack of utilization of health care services. Programs targeted to anomie, loss of traditional male roles, and violence and alcoholism are among the most urgently needed.

Adolescent↗

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↗

Prevalence of asthma and chronic respiratory symptoms among Alaska Native children.

STUDY OBJECTIVES: To quantify the prevalence and impact of chronic respiratory symptoms among predominantly Alaska Native (AN)/American Indian (AI) middle school students. DESIGN: School-based prevalence assessment using the International Study of Asthma and Allergy in Children survey, with supplemental video material and added questions about productive cough, exposure to tobacco smoke, and the functional impact of symptoms. SETTING: The Yukon-Kuskokwim delta region of western Alaska. PARTICIPANTS: A total of 466 children in the sixth to ninth grades, 81% of whom are AN/AI (377 children). INTERVENTIONS: No study intervention. RESULTS: Among the 377 AN/AI children, 40% reported one of the following three categories of chronic respiratory disease: physician-diagnosed asthma, 7.4%; asthma-like symptoms (ALS) without an asthma diagnosis, 11.4%; and chronic productive cough (CPC) without asthma diagnosis or symptoms, 21.5%. Symptom prevalence differed substantially between the largest town in the region and rural villages. After an adjustment for demographic factors, exposure to environmental tobacco smoke, active tobacco smoking, and self-report of atopy, village residents were 63% less likely to have ALS (p = 0.009), and had a twofold greater risk of CPC (p < 0.001) compared to children living in the town. Children with respiratory symptoms experienced sleep disturbances and accessed clinic visits for respiratory problems more often than did asymptomatic children. CONCLUSIONS: Chronic respiratory symptoms are very common among AN children. CPC is an important nonasthmatic respiratory condition in this population. The differing patterns of respiratory illness within this region may help to elucidate the specific risk factors for asthma and chronic bronchitis in children.

Adolescent↗