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At least 289 records · Page 16Linked to original sources
PubMed2000

Irradiation to ensure quarantine security for Cryptophlebia spp. (Lepidoptera: Tortricidae) in sapindaceous fruits from Hawaii.

Studies were undertaken to determine whether irradiation treatment at 250 Gy, an accepted treatment for disinfestation of fruit flies in spindaceous fruits from Hawaii, would also disinfest fruit of two species of Cryptophlebia. Cryptophlebia illepida (Butler) was determined to be more tolerant of irradiation than Cryptophlebia ombrodelta (Lower); therefore, C. illepida was the focus for detailed tests. Using the criterion of success in developing to the adult stage, the pattern of tolerance to irradiation in C. illepida was generally eggs < early instars < late instars < pupae. The most tolerant stage potentially occurring in harvested fruits was late (fourth and fifth) instars. Development to adult was reduced slightly in late instars receiving an irradiation dose of 62.5 Gy, whereas development to adult was dramatically reduced in late instars receiving irradiation doses > or = 125 Gy. No C. illepida larvae receiving an irradiation dose > or = 125 Gy emerged as adults and produced viable eggs, indicating sterility can be achieved at doses well below 250 Gy. In large scale tests, when 11,256 late instars were irradiated with a target dose of 250 Gy, 951 pupated (8.4%) and none eclosed as adults. Within the pupal stage, tolerance increased with age; 7- to 8-d-old pupae (the oldest pupae tested) treated with an irradiation dose of 125 Gy produced viable offspring, whereas those treated with a dose of 250 Gy produced no viable offspring. Irradiation of adults with a target dose of 250 Gy before pairing and mating resulted in no viable eggs. Irradiation of actively ovipositing adult females resulted in no subsequent viable eggs. Therefore, the irradiation quarantine treatment of a minimum absorbed dose of 250 Gy approved for Hawaii's fruits will effectively disinfest fruits of any Cryptophlebia in addition to fruit flies.

Animals↗
PubMed2005

Weathering trials of Amulet cue-lure and Amulet methyl eugenol "attract-and-kill" stations with male melon flies and oriental fruit flies (Diptera: Tephritidae) in Hawaii.

Amulet C-L (cue-lure) and Amulet ME (methyl eugenol) molded paper fiber "attract-and-kill" dispensers containing fipronil were tested under Hawaiian weather conditions against Bactrocera cucurbitae (Coquillett) (melon fly) and Bactrocera dorsalis (Hendel) (oriental fruit fly), respectively. In paired tests (fresh versus weathered), C-L dispensers were effective for at least 77 d, whereas ME dispensers were effective for at least 21 d. Thus, C-L dispensers exceeded, whereas ME dispensers did not meet the label interval replacement recommendation of 60 d. Addition of 4 ml of ME to 56-d-old ME dispensers restored attraction and kill for an additional 21 d. This result suggested the fipronil added at manufacture was still effective. By enclosing and weathering ME dispensers inside small plastic bucket traps, longevity of ME dispensers was extended up to 56 d. Fipronil ME and C-L dispensers also were compared, inside bucket traps, to other toxicants: spinosad, naled, DDVP, malathion, and permethrin. Against B. dorsalis, fipronil ME dispensers compared favorably only up to 3 wk. Against B. cucurbitae, fipronil C-L dispensers compared favorably for at least 15 wk. Our results suggest that fipronil C-L dispensers can potentially be used in Hawaii; however, fipronil ME dispensers need to be modified or protected from the effects of weathering to extend longevity and meet label specifications. Nonetheless, Amulet C-L and ME dispensers are novel prepackaged formulations containing C-L or ME and fipronil that are more convenient and safer to handle than current liquid insecticide formulations used for areawide suppression of B. dorsalis and B. cucurbitae in Hawaii.

Animals↗
PubMed2005

Mortality and cancer incidence among children and adolescents in Hawaii 20 years after a heptachlor contamination episode.

In 1982, dairy products were recalled from all stores on Oahu, Hawaii, after heptachlor epoxide was detected in milk at concentrations exceeding the federal action level. At the time, an increase in human exposure to heptachlor in children was detected, but no evidence of serious health effects was observed. In an ecologic study design, this report compares mortality and cancer incidence rates of children and adolescents born from 1980 to 1982 to rates of children born before and after the heptachlor episode. Children born from 1980 to 1982 on Oahu were considered to be the exposed population, whereas children born during the same time on the other Hawaiian islands and all children born before 1980 and after 1982 constituted the unexposed population. Poisson regression was used to compare rates by age group, year, birth cohort, and place of residence. Death rates among children born from 1980 to 1982 were consistent with the overall declining mortality trend in children; the rates were consistently lower on Oahu than on the other islands. In agreement with the national trend, cancer incidence rates increased slightly in Hawaii during the last 25 years. Across all ages, cancer risk did not differ significantly between children born between 1980 and 1982 and those born during earlier and later years. However, a slightly higher occurrence of cancer for the heptachlor-exposed cohort when they were 15-19 years old deserves continued observation in the future. Overall, this report found no indication of higher mortality or cancer incidence among children born during the heptachlor contamination period.

Adolescent↗
PubMed2005

Epizootiology of spirorchiid infection in green turtles (Chelonia mydas) in Hawaii.

We describe the epizootiology of spirorchiid trematode infections in Hawaiian green turtles (Chelonia mydas) by quantifying tissue egg burdens in turtles submitted for necropsy and by assessing antibody response to crude adult worm and egg antigens among a variety of age groups. Hapalotrema sp. and Laeredius sp. predominated in turtles infected with spirorchiids. Tissue egg burdens decreased with increasing size and increased with deteriorating body condition of turtles. No relationship was found between tissue egg burdens and sex or fibropapillomatosis status. Tissue egg burdens increased in turtles from southeast to northwest in the main Hawaiian Islands (Hawaii to Kauai). Hatchling and captive-reared turtles had significantly lower levels of antibodies against crude worm and egg antigens. Based on tissue egg burdens and antibody status, we hypothesize that immature turtles become infected with spirorchiids shortly after recruiting into coastal foraging pastures from the pelagic environment, that infection levels decrease with age, and that spirorchiids detrimentally affect the body condition of sea turtles independent of tumor burden. The low intensity of infection in turtles with the endemic trematode Carettacola hawaiiensis suggests either that turtles are less susceptible to infection with this parasite or that the parasite is outcompeted by species of Hapalotrema and Laeredius. Given that the 2 latter species are found in the Pacific and other oceans, they are not likely endemic and were probably introduced into Hawaii through an undetermined route.

Animals↗
PubMed2006

Bacteroides spp. as reliable marker of sewage contamination in Hawaii's environmental waters using molecular techniques.

Standard PCR (SPCR) and quantitative PCR (QPCR) assays using primers for general and for human-specific Bacteroides 16S rRNA markers were selected as the molecular tests to assess sewage contamination in recreational waters of Hawaii and these same water samples were assayed for culturable concentrations of selected faecal microbial indicators. The results of this study showed that the general primer for Bacteroides was not useful because ambient and polluted water samples were positive for this marker. However, use of human-specific primers reliably detected sewage contamination. The human-specific Bacteroides detection data supported previously reported conclusions that concentrations of alternative faecal indicators (C. perfringens, FRNA coliphages) but not traditional faecal indicators (faecal coliform, E. coli, enterococci) are reliable indicators of faecal contamination in Hawaii's environmental waters. The QPCR assay for the human-specific Bacteroides 16S rRNA marker was faster, more sensitive and more reliable than comparable SPCR assay because OPCR assay provided additional information such as melting temperatures, which confirmed that the right amplicons were being measured and Ct values, which indicated the relative level of faecal contamination.

Bacteroides↗
PubMed1977

Human tissue distribution of cyclodiene pesticides-Hawaii 1964-1973.

Data have been presented covering symptoms of acute exposure to cyclodiene pesticides in adults and infants in Hawaii. Varying concentrations of heptachlor epoxide, dieldrin, DDT, DDE, and DDD were found in human autopsy material, with the highest levels of heptachlor epoxide in bone marrow and liver and those of dieldrin in kidney and gonad. Maximum concentration of dieldrin in human milk was 0.25 ppm on an extracted lipid basis; in fetal tissues, 1.46 ppm; and in maternal tissues, 2.04 ppm. There was correlation between dieldrin concentration in household dust and human blood serum. The general baseline levels of cyclodiene pesticides were lower in Hawaii than the rest of the United States.

Autopsy↗
PubMed2006

Hawaii veterinarians' bioterrorism preparedness needs assessment survey.

The purpose of this study was to assess the objective bioterrorism-related knowledge base and the perceived response readiness of veterinarians in Hawaii to a bioterrorism event, and also to identify variables associated with knowledge-based test performance. An anonymous survey instrument was mailed to all licensed veterinarians residing in Hawaii (N = 229) up to three times during June and July 2004, using numeric identifiers to track non-respondents. The response rate for deliverable surveys was 59% (125 of 212). Only 12% (15 of 123) of respondents reported having had prior training on bioterrorism. Forty-four percent (55 of 125) reported being able to identify a bioterrorism event in animal populations; however, only 17% (21 of 125) felt able to recognize a bioterrorism event in human populations. Only 16% (20 of 123) felt they were able to respond effectively to a bioterrorist attack. Over 90% (106 of 116) expressed their willingness to provide assistance to the state in its response to a bioterrorist event. Veterinarians scored a mean of 70% correct (5.6 out of 8 questions) on the objective knowledge-based questions. Additional bioterrorism preparedness training should be made available, both in the form of continuing educational offerings for practicing veterinarians and as a component of the curriculum in veterinary schools.

Adult↗
PubMed2005

Dengue risk among visitors to Hawaii during an outbreak.

Despite the high rates of dengue in many tropical destinations frequented by tourists, limited information is available on the risk for infection among short-term visitors. We retrospectively surveyed 4,000 persons who arrived in Hawaii during the peak of the 2001-2002 dengue outbreak and collected follow-up serologic test results for those reporting denguelike illness. Of 3,064 visitors who responded, 94 (3%) experienced a denguelike illness either during their trip or within 14 days of departure; 34 of these persons were seen by a physician, and 2 were hospitalized. Twenty-seven visitors with denguelike illness provided a serum specimen; all specimens were negative for anti-dengue immunoglobulin G antibodies. The point estimate of dengue incidence was zero infections per 358 person-days of exposure with an upper 95% confidence limit of 3.0 cases per person-year. Thus, the risk for dengue infection for visitors to Hawaii during the outbreak was low.

Dengue↗
PubMed1993

Active surveillance and risk factors for leptospirosis in Hawaii.

A clinic-hospital-based leptospirosis surveillance program was conducted to determine the morbidity and risk factors in nonepidemic settings. The study was conducted on two islands, Kauai and Hawaii (Big Island), in the state of Hawaii for one year during 1988 and 1989. An active, more comprehensive case detection system was used on the Big Island that enabled us to determine the incidence of clinical disease. Subjects from both islands were used to conduct a case-control study for risk factors. One hundred seventy-two subjects from the Big Island (who presented with any two of the following symptoms: fever, headache, myalgia, or nausea/vomiting) were enrolled in the study. Twenty cases were diagnosed by culture, serology, or fluorescent antibody tissue staining at autopsy. Six cases required hospitalization and two succumbed to fatal infections. We estimated that these cases represented an annual incidence rate of 128 per 100,000 person-years in our target population. For 33 cases, 77 controls were matched for island, age, sex, and time of onset of illness. Interviews were conducted retrospectively in a double-blinded fashion with cases and controls and evaluated approximately 30 risk factors. Factors that were associated most strongly with development of leptospirosis were household use of rainwater catchment systems (P = 0.003), presence of skin cuts during the incubation period (P = 0.008), contact with cattle or the urine of cattle (P = 0.05 and P = 0.03, respectively), and handling of animal tissues (P = 0.005).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed2002

Leptospirosis in Hawaii, 1974-1998: epidemiologic analysis of 353 laboratory-confirmed cases.

The epidemiologic characterization of leptospirosis in the United States has been limited by difficulties associated with both case detection and confirmation. In addition, leptospirosis was eliminated from the list of National Notifiable Diseases in 1995. From 1974 until the cessation of national surveillance, Hawaii consistently had the highest reported annual incidence rate in the United States. From 1974 through 1998, 752 leptospirosis cases were reported in the State of Hawaii. Of these, 353 had exposures within the state and were laboratory confirmed. The mean annual incidence rate was 1.29 per 100,000. Cases were predominately male. Rates were highest in rural areas. Occupational exposures diminished over time while recreational exposures increased. This series represents the first large U.S. leptospirosis surveillance report since 1979. With leptospirosis recently being identified as a re-emerging zoonosis, continued national surveillance and case reporting should be reconsidered.

Adult↗
PubMedDate not supplied

The healthy Hawaii initiative: A social ecological approach promoting healthy communities.

PURPOSE: The tobacco settlement has provided the opportunity for the state of Hawaii to implement the Healthy Hawaii Initiative (HHI), targeting smoking, poor nutrition and physical inactivity. The purpose of this paper is to describe and document preliminary findings. METHODS: The social ecological model is translated into practice through school and community grants to create systems, environmental and policy changes, teacher training on health and physical education standards, continuing education for the medical community in behavioral health, and a public education campaign. A comprehensive evaluation provides ongoingfeedback for program improvement and progress on the effects of psychosocial mediators, behaviors, and long-term chronic diseases. RESULTS AND DISCUSSION: Preliminary process results presented here are promising. The components are thought to interact synergistically to bring about behavior changes statewide. The HHI is one example of how to implement a multilevel initiative to target the three major behavioral determinants of chronic disease (tobacco use, physical inactivity, and poor nutrition) and build healthier communities.

Community Health Services↗
PubMed1996

Causes of owl mortality in Hawaii, 1992 to 1994.

Eighty-one barn owls (Tyto alba) and five Hawaiian owls or pueo (Asio flammeus sandwichensis) from Kauai, Oahu, Lanai, Molokai, Maui and Hawaii (USA) were evaluated for cause of death, November 1992 through August 1994. The most common cause of death in barn owls was trauma (50%) followed by infectious disease (28%) and emaciation (22%). Most traumas apparently resulted from vehicular collisions. Trichomoniasis was the predominant infectious disease and appeared to be a significant cause of death in barn owls in Hawaii. Pasteurellosis and aspergillosis were encountered less commonly. No predisposing cause of emaciation was detected. Stomach contents from 28 barn owls contained mainly insects (64%) of the family Tetigoniidae and Gryllidae, and rodents (18%); the remainder had mixtures of rodents and insects or grass. Three pueo died from trauma and one each died from emaciation and pasteurellosis. We found no evidence of organochlorine, organophosphorus, or carbamate pesticides as causes of death in pueo or barn owls.

Animals↗
PubMed2000

Pathogenicity of avian malaria in experimentally-infected Hawaii Amakihi.

The introduction of avian malaria (Plasmodium relictum) and mosquitoes (Culex quinquefasciatus) to the Hawaiian Islands (USA) is believed to have played a major role in the decline and extinction of native Hawaiian honeycreepers (Drepanidinae). This introduced disease is thought to be one of the primary factors limiting recovery of honeycreepers at elevations below 1,200 m where native forest habitats are still relatively intact. One of the few remaining species of honeycreepers with a wide elevational distribution is the Hawaii Amakihi (Hernignathus virens). We measured morbidity and mortality in experimentally-infected Hawaii Amakihi that were captured in a high elevation, xeric habitat that is above the current range of the mosquito vector. Mortality among amakihi exposed to a single infective mosquito bite was 65% (13/20). All infected birds had significant declines in food consumption and a corresponding loss in body weight over the 60 day course of the experiment. Gross and microscopic lesions in birds that succumbed to malaria included enlargement and discoloration of the spleen and liver and parasitemias as high as 50% of circulating erythrocytes. Mortality in experimentally-infected amakihi was similar to that observed in Apapane (Himnatione sanguinea) and lower than that observed in Iiwi (Vestiaria coccinea) infected under similar conditions with the same parasite isolate. We conclude that the current elevational and geographic distribution of Hawaiian honeycreepers is determined by relative susceptibility to avian malaria.

Altitude↗
PubMed2000

Fatal toxoplasmosis in free-ranging endangered 'Alala from Hawaii.

The 'Alala (Corvus hawaiiensis) is the most endangered corvid in the world, and intensive efforts are being made to reintroduce it to its former native range in Hawaii. We diagnosed Toxoplasma gondii infection in five free-ranging 'Alala. One 'Alala, recaptured from the wild because it was underweight and depressed, was treated with diclazuril (10 mg/kg) orally for 10 days. Antibodies were measured before and after treatment by the modified agglutination test (MAT) using whole T. gondii tachyzoites fixed in formalin and mercaptoethanol. The MAT titer decreased four-fold from an initial titer of 1:1,600 with remarkable improvement in physical condition. Lesions of toxoplasmosis also were seen in two partially scavenged carcasses and in a third fresh intact carcass. Toxoplasma gondii was confirmed immunohistochemically by using anti-T. gondii specific serum. The organism was also cultured by bioassay in mice from tissues of one of these birds and the brain of a fifth 'Alala that did not exhibit lesions. The life cycle of the parasite was experimentally completed in cats. This is the first record of toxoplasmosis in 'Alala, and the parasite appears to pose a significant threat and management challenge to reintroduction programs for 'Alala in Hawaii.

Agglutination Tests↗
PubMedDate not supplied

Lessons from Hawaii's health care system.

Hawaii has 20 years of experience with employer mandates and universal access. With the U.S. Congress considering the controversial issue of whether to require companies to provide health insurance for employees, Hawaii's approach to health care has some valuable lessons.

Evaluation Studies as Topic↗
PubMedDate not supplied

Evaluation of Hawaii's Healthy Start Program.

Hawaii's Healthy Start Program (HSP) is designed to prevent child abuse and neglect and to promote child health and development in newborns of families at risk for poor child outcomes. The program operates statewide in Hawaii and has inspired national and international adaptations, including Healthy Families America. This article describes HSP, its ongoing evaluation study, and evaluation findings at the end of two of a planned three years of family program participation and follow-up. After two years of service provision to families, HSP was successful in linking families with pediatric medical care, improving maternal parenting efficacy, decreasing maternal parenting stress, promoting the use of nonviolent discipline, and decreasing injuries resulting from partner violence in the home. No overall positive program impact emerged after two years of service in terms of the adequacy of well-child health care; maternal life skills, mental health, social support, or substance use; child development; the child's home learning environment or parent-child interaction; pediatric health care use for illness or injury; or child maltreatment (according to maternal reports and child protective services reports). However, there were agency-specific positive program effects on several outcomes, including parent-child interaction, child development, maternal confidence in adult relationships, and partner violence. Significant differences were found in program implementation between the three administering agencies included in the evaluation. These differences had implications for family participation and involvement levels and, possibly, for outcomes achieved. The authors conclude that home visiting programs and evaluations should monitor program implementation for faithfulness to the program model, and should employ comparison groups to determine program impact.

Child Health Services↗
PubMed2000

The first non-heart-beating organ donor in Hawaii--medical and ethical considerations.

The shortage of organ donors remains a major obstacle in transplantation in Hawaii. Some patients die while waiting for a life-saving organ. Across the nation, "marginal" donors, including non-heart-beating donors are used. The authors describe the first successful non-heart-beating organ donor transplant in Hawaii, and include medical and ethical considerations.

Ethics, Medical↗
PubMed2000

Attitudes on organ donation among Hawaii physicians.

A survey of physicians attending the recent Hawaii Medical Association meeting was conducted in order to assess physician attitudes on organ donation. Physicians were asked 6 questions and demographics were collected. Results indicate that Hawaii physicians generally support organ donation and are aware of some of the current federal legislation regarding donation.

Attitude of Health Personnel↗