Using the life course health development model to address pediatric mental health disparities

TOPIC

Early-life experiences, the transmission of health and disease within families, and the influence of cumulative risks as well as protective factors throughout life shape the trajectory of health, including mental health. Long-term health trajectories established early in life are influenced by biologic, social, and environmental factors. Negative trajectories may be more salient if exposures to adversity occur during critical developmental periods.

PURPOSE

The purpose of this brief is to (a) review pediatric health disparities related to depression and the intergenerational transmission of pediatric depression using a Life Course Health Development (LCHD) model and (b) provide recommendations for pediatric mental health research.

SOURCES

Peer-reviewed papers available for PubMed, CINAL, and Medline. Other sources include published books, papers, and gray materials.

CONCLUSIONS

The LCHD model is a perspective to guide and foster new scientific inquiry about the development of mental health outcomes over the life course. The model enables synthesis of mental health, nursing, and public health, linking mental health prevention, risk reduction, and treatment in children.

The EMeRGE theory of emerging adult-aged women's sexual and reproductive health self-management: A grounded theory study

AIMS

To explore how emerging adult-aged women self-manage their sexual and reproductive health and to generate a grounded theory of these self-management processes.

DESIGN

Grounded theory methods using a constructivist approach.

METHODS

Between September 2019 and September 2020, 18- to 25-years-old women (n = 13) were recruited from a 4-year university, a 2-year community college, and neighbourhoods surrounding the institutions of higher education. Individual interviews were transcribed verbatim and qualitatively analysed using a constant comparative method and inductive coding.

RESULTS

The theory purports that core processes of sexual and reproductive health self-management used by the women in this study included both passive and (re)active processes. These processes expanded upon and/or maintained the women's accessible sexual and reproductive health knowledge, behaviour and beliefs, defined as the sexual and reproductive health repertoire. The processes appeared to be cyclical and were often initiated by a catalysing event or catalyst and resulted in conversations with confidantes, or trusted individuals. A catalyst was either resolved or normalized by expanding or maintaining the sexual and reproductive health repertoire.

CONCLUSION

The resulting theory, EMeRGE Theory, offers insight into the complex and cyclical processes emerging adult-aged women use to simultaneously develop and adapt their foundational sexual and reproductive health knowledge, behaviours and beliefs.

IMPLICATIONS FOR THE PROFESSION AND/OR PATIENT CARE

This explication of emerging adult-aged women's sexual and reproductive health self-management processes can be used by nurses and nurse researchers to better address this population's unique health needs.

IMPACT

The EMeRGE Theory provides valuable guidance for future exploratory and intervention research aimed at improving the health and well-being of emerging adult-aged women.

REPORTING METHOD

The authors adhered to the Consolidated Criteria for Reporting Qualitative studies (COREQ) in preparation of this publication.

PATIENT OR PUBLIC CONTRIBUTION

No patient or public contribution.

'Taking Care': A qualitative study of emerging adult-aged women's sexual and reproductive health definitions

OBJECTIVE

Emerging adult-aged (EA;18-25 years) women have disproportionately high rates of unintended pregnancy and sexually transmitted infections compared to other women of reproductive age. Little is known about how EA women define and prioritize various aspects of sexual and reproductive health. The purpose of this study was to identify EA women determined definitions of sexual and reproductive health.

METHODS

Between September 2019 and September 2020, 13 women were interviewed about their sexual and reproductive health. Interview transcripts were used to conduct qualitative content analysis.

RESULTS

Definitions provided by participants were grouped according to three distinct thematic categories, Being Safe, Healthcare as a Tool, and Mind-Body Connection. Being Safe included using condoms and taking steps to prevent sexually transmitted infections. Healthcare as a Tool referred to utilization of healthcare services (e.g., an annual exam) to manage sexual and reproductive health. Mind-Body Connection included acknowledgement of both the physical and mental aspects of sexual and reproductive health, as well as awareness of physical and emotional discomfort related to it. These categories highlight EA women's holistic definitions of sexual and reproductive health.

CONCLUSIONS

Healthcare providers and researchers can use the holistic sexual and reproductive health definitions endorsed by EA women in this study as a starting point for creating and delivering sexual and reproductive healthcare and counseling that is developmentally appropriate and sensitive to population-specific needs.

Two is not necessarily better than one: A double lens in a pre-metamorphic adult axolotl (Ambystoma mexicanum)

An 8-year-old female pre-metamorphic axolotl (Ambystoma mexicanum) was examined for a suspected anterior lens luxation. Slit-lamp biomicroscopy revealed two lens-like structures in the anterior chamber of the right eye (OD), each with cataractous change. Ultrasound biomicroscopy and optical coherence tomography (OCT) were performed without sedation, and revealed small lenticular structures each with distinct nuclei and cortices. Although a distinct connection of the two lenticular structures could not be definitively ruled out, the structures appeared separate. Each of the lenticular structures was closely associated with its respective iris leaflet. This report demonstrates application of advanced imaging for diagnostic use in axolotl ophthalmology, showing that imaging of the lens can be performed without sedation, topical anesthetic, nor contact gel with high diagnostic quality. Although two distinct lenses were diagnosed with no historical evidence of trauma, the small sizes of each lenticular structure, with no detectable connection between them, are suggestive of a possible regenerative abnormality. This report opens discussion for the regenerative capabilities of the pre-metamorphic adult axolotl and possible implementations of their use in regenerative medicine research for the development of future therapies.

Practical strategies for qualitative inquiry in a virtual world

AIM

The aim of this article is to provide practical strategies for maintaining methodological rigour in executing a virtual qualitative study. Strategies are based on evidence from existing research about virtual qualitative methods and on the strategies used by the authors to convert a planned in-person qualitative, grounded theory study to an entirely virtual grounded theory study during the COVID-19 pandemic. The study began in-person in September 2019 and was converted to virtual in March 2020. Virtual data collection was completed in September 2020.

DESIGN

This article provides a case exemplar of virtual adaptations made to a study underway when the pandemic rendered all in-person research impractical and potentially dangerous.

DATA SOURCES

The strategies discussed are based on our own experiences and the supporting theoretical assumptions of qualitative research, specifically grounded theory methods.

IMPLICATIONS FOR NURSING

Nursing scholars conducting qualitative inquiry may find these strategies helpful in continuing research activities during periods of limited access to the phenomena or persons of interest. Furthermore, these strategies allow nursing scholars to conduct rigorous, in-depth research without geographical limitations, providing greater possibilities for international collaborations and cross-institution research.

CONCLUSION

Despite novel challenges, methodological adaptations that are carefully planned and purposeful allow qualitative and non-qualitative scholars to continue research activities in a fully virtual manner.

IMPACT

This case exemplar and discussion provide practical strategies for qualitative scholars to consider while planning new studies or converting an in-person study to a virtual one. Despite the in-person nature of in-depth qualitative inquiry, a historic pandemic and a changing research environment require qualitative researchers to adapt to virtual methods while still conducting high quality, methodologically rigorous research. Qualitative scholars can use the strategies presented here to continue rigorous qualitative inquiry despite limited access to phenomena or persons.

Improving Research, Policy, and Practice to Address Women's Sexual and Reproductive Health Care Needs During Emerging Adulthood

Women in the period of emerging adulthood (18-25 years of age) have the greatest rates of unintended pregnancy and sexually transmitted infections. Despite this disproportionate risk, women's sexual and reproductive health needs during emerging adulthood are poorly understood. As a result, few age-specific policies or person-centered practice guidelines are available to reduce sexual risk. In this commentary we explore the unique characteristics of emerging adulthood that contribute to greater sexual and reproductive health risks for women. Current evidence on sexual and reproductive health outcomes of women during emerging adulthood and limited practice guidelines are discussed. Recommendations for health care providers, especially nurses, for guiding personalized care for women in emerging adulthood are discussed.

Efficacy of "Mentoring to Be Active" on Weight Loss, Body Mass Index, and Body Fat among Obese and Extremely Obese Youth in Rural Appalachia

PURPOSE

This study compares the efficacy of a behavioral skills mentoring program (Mentored Planning to Be Active [MBA]) to a teacher-led program (Planning to Be Active [PBA]) for increasing physical activity in Appalachian teens on health outcomes (weight loss, body mass index (BMI), and body fat).

METHODS

Secondary analysis of a larger group-randomized controlled trial was conducted in 20 rural Appalachian schools. Descriptive Pearson correlations and multivariate analyses with between-subject effects were conducted. Effect sizes (ES) using Cohen's d and odds ratios (OR) with 95% confidence intervals were calculated.

FINDINGS

The obese MBA group lost 77.5% more weight by T3 compared to the PBA group; T2 was (F = 8.51, P = .000) and T3 was (F = 7.62, P = .000). ES was 0.34. OR = 1.45 (95% CI: 0.558-3.792) at T2 and OR = 3.32 (95% CI: 1.103-9.978) at T3. Extremely obese in the MBA group lost 80.0% more weight compared to the PBA group; T2 was (F = 5.23, P = .025) and at T3 (F = 6.33, P = .015) ES was 0.58. OR = 4.36 (95% CI: 0.981-19.34). Extremely obese females lost more weight compared to males (F = 4.75, P = .034). BMI and body fat had similar results; youth in the MBA group had the most improvement.

CONCLUSIONS

Rural Appalachian youth are disproportionately extremely obese. BMI does not capture adiposity or cardiovascular risk. BMI, BMI percentile, raw weight, fat mass, and percent body fat are more complete analyses of adiposity and cardiovascular risk.

The future of pediatric nursing science

The provision of safe and effective nursing care to children is dependent upon pediatric nurse scientists creating knowledge that guides and directs day-to-day nursing practice. Current trends demonstrating steady decreases of pediatric nurses and inadequate numbers of PhD-prepared pediatric nurse scientists put the health of our children at risk. The purposes of this paper are to (1) summarize current health care demands in pediatrics, (2) present our concern that the number of pediatric nurse scientists is inadequate to generate foundational knowledge to guide pediatric nursing practice, (3) present our perspectives on factors influencing the number of pediatric nurse scientists, and (4) recommend specific actions for nursing leaders, nursing faculty, and professional nursing organizations to increase the depth and breadth of pediatric nursing science to meet current and future pediatric care needs.

"Bringing Tap Back": Expanding the "Sodabriety" Teen Advisory Council Approach in Tennessee High Schools

Sugar-sweetened beverages (SSBs) are a large source of added sugar in teenagers' diets, comprising 20-25% of daily calories. Despite efforts, teens in rural and southern states continue to have the high SSB consumption rates. Using Teen Advisory Councils (TAC), students designed and delivered school-specific interventions at five Tennessee schools. Using repeated measures models with Bonferroni correction, data were collected on SSBs and water consumption at baseline and 30 days postintervention. The 573 participants ranged from 13 to 19 years; mean age 15.97 years (SD = 1.4). Daily SSB servings decreased from a mean of 2.37 (SD = 2.06) to 1.87 (SD = 1.89; p = .024). Weekly SSB behaviors decreased 10%. Daily water consumption increased 19.5% to 4.46 (SD = 2.97) servings (p = .03). Student-led efforts supported behavioral changes. TACs were effective at changing lifestyle behaviors. Community-driven solutions may result in manageable changes to sustain behaviors.

Sugar-sweetened beverage behaviors of Tennessee school children: How do parent- and child-report compare on school days and nonschool days?

INTRODUCTION

This study describes sugar-sweetened beverage (SSB) behaviors of children and compares child-reported SSB behaviors to parent-reported SSB behaviors during school days and nonschool days.

METHOD

Six elementary schools from Tennessee participated with 444 students and 287 parents. Descriptive statistics included means, standard deviation (SD), ranges of values, and measures of central tendency. To explore the relationship between parent and child report, intraclass correlation coefficients (ICC) were analyzed. The mean ( SD) differences and limits of agreement were calculated using paired t tests with Bonferroni corrections for multiple outcomes of interest. A p < 0.05 was significant.

RESULTS

Reporting differed with SSB type of school day. Children reported higher quantities of sweet tea and "coke/soda." Both agreed on SSB abstention, except for juice. ICCs ranged from 0.383 to 0.513 ( p = 0.000). The lowest and highest ICCs were for sweet tea, based on school days or nonschool days.

DISCUSSION

To determine the best estimate of SSBs, information should be obtained from children and parents to improve accuracy and enhance education about health behaviors.

Rates of Obesity and Obesogenic Behaviors of Rural Appalachian Adolescents: How Do They Compare to Other Adolescents or Recommendations?

BACKGROUND

To better understand the unique challenges of Appalachians, community-based studies are needed to establish benchmark rates. This study compares obesity rates and obesogenic behaviors among Appalachian adolescents to other adolescent populations or clinical recommendations.

METHODS

This study was conducted in 11 Appalachian schools. Body mass index, body mass index percentile, and body fat percentage were measured using a Tanita DC-430U analyzer. Physical activity was measured using Actigraph wGT3X-BT accelerometers. Sugar-sweetened beverage consumption was self-reported. Pearson's correlations, independent t tests, and multivariate analyses with tests of between-subject effects were conducted.

RESULTS

Mean (n = 345) age was 15.23 (SD = 1.02) years. Appalachian adolescents were extremely obese (13.1%) by more than double that of national adolescent rates. Nearly 29% of males and over 55% of females were at increased cardiovascular risk. Only 15% were moderately active for at least 60 minutes a day, but only for 1 day per week. Mean afterschool sedentary time was 4.75 hours. Only 2.1% recorded vigorous activity for a minimum of 10 minutes at 1 day per week. Nearly all regularly consumed sugar-sweetened beverages.

CONCLUSION

Obesogenic health disparities were evident in Appalachia. Rates of obesogenic factors among Appalachian adolescents exceed national rates. Appalachian adolescents were far less active, and extreme obesity is a major health concern.

Peer mentor versus teacher delivery of a physical activity program on the effects of BMI and daily activity: protocol of a school-based group randomized controlled trial in Appalachia

BACKGROUND

Rural Appalachian populations have poorer health and fewer positive health-related behaviors compared to other United States populations. Appalachians are the most sedentary U.S. population and teens are particularly sedentary. Obesity prevention through improving physical activity is a top priority in Rural Healthy People 2020. Obesity prevalence among Appalachian teens exceeds the national rates of 13.9% and has consistently been greater than 26%. Organized sports has not been effective at improving daily physical activity or health outcomes for Appalachian teens. The purpose of this study is to test the efficacy of a 10-week school-based intervention in promoting self-regulation of physical activity among adolescents not participating in organized sports. By using accelerometers, our study will measure both sedentary time and planned exercise during waking hours.

METHODS

The design for this four-year study is a group-randomized controlled trial (G-RCT). We will recruit high schools in 3 waves, with 4 in Wave 1, 8 in Wave 2, and 8 in Wave 3, for a total of 20 schools. For each wave of schools, we will randomly assign half of the schools to each condition--intervention (peer-to-peer mentoring [MBA]) and comparison (teacher-led [PBA])--for a total of 10 schools in each of the two conditions by study's end. We will collect data at baseline (T₁), 3 months post intervention (T₂), and 6 months post intervention (T₃). Linear Mixed Models (LMMs) and Generalized Linear Mixed Models (GLMMs) will be used to test the main hypotheses. Power for this study was based the primary analysis comparing BMI outcomes at T₂ between the groups, adjusting for baseline BMI values.

DISCUSSION

This study provides age-appropriate lifestyle education and skill building. Peer-to-peer mentoring by local high school students and school-based tailored support strengthens sustainable behavioral change. Focusing on unique healthy-lifestyle challenges prevalent in low-resource areas such as Appalachia such as overcoming environmental, social, and psychological barriers may improve adherence to physical activity. Serving as role models, peer mentors may improve their own lifestyle behaviors, providing a dual intervention.

TRIAL REGISTRATION

NCT02329262 .

A Structured Peer-Mentoring Method for Physical Activity Behavior Change Among Adolescents

Despite national guidelines for regular physical activity, most adolescents are not physically active. Schools serve an estimated 60 million youth and provide an educational environment to meet the current physical activity guidelines. The obesity epidemic and chronic disease comorbidities associated with physical inactivity are not likely to be reversed without a strong contribution from local schools. This article describes how a structured peer-mentoring method provides a feasible, flexible, and tailored means to meet the current guidelines for best practice in a school setting. Structured peer mentoring using trained high school mentors to support behavior change in younger peers is an innovative method to meeting the School Health Guidelines to Promote Healthy Eating and Physical Activity Through structured peer mentoring, adolescents are provided consistent social support in a caring and personalized manner. This support builds skills and competencies enhancing self-efficacy to sustain a lifetime of physical activity behavior.

Survivin as a therapeutic target in Sonic hedgehog-driven medulloblastoma

Medulloblastoma (MB) is a highly malignant brain tumor that occurs primarily in children. Although surgery, radiation and high-dose chemotherapy have led to increased survival, many MB patients still die from their disease, and patients who survive suffer severe long-term side effects as a consequence of treatment. Thus, more effective and less toxic therapies for MB are critically important. Development of such therapies depends in part on identification of genes that are necessary for growth and survival of tumor cells. Survivin is an inhibitor of apoptosis protein that regulates cell cycle progression and resistance to apoptosis, is frequently expressed in human MB and when expressed at high levels predicts poor clinical outcome. Therefore, we hypothesized that Survivin may have a critical role in growth and survival of MB cells and that targeting it may enhance MB therapy. Here we show that Survivin is overexpressed in tumors from patched (Ptch) mutant mice, a model of Sonic hedgehog (SHH)-driven MB. Genetic deletion of survivin in Ptch mutant tumor cells significantly inhibits proliferation and causes cell cycle arrest. Treatment with small-molecule antagonists of Survivin impairs proliferation and survival of both murine and human MB cells. Finally, Survivin antagonists impede growth of MB cells in vivo. These studies highlight the importance of Survivin in SHH-driven MB, and suggest that it may represent a novel therapeutic target in patients with this disease.

Clinical pharmacogenetics implementation consortium guidelines for CYP2C9 and HLA-B genotypes and phenytoin dosing

Phenytoin is a widely used antiepileptic drug with a narrow therapeutic index and large interpatient variability, partly due to genetic variations in the gene encoding cytochrome P450 (CYP)2C9 (CYP2C9). Furthermore, the variant allele HLA-B*15:02, encoding human leukocyte antigen, is associated with an increased risk of Stevens-Johnson syndrome and toxic epidermal necrolysis in response to phenytoin treatment. We summarize evidence from the published literature supporting these associations and provide recommendations for the use of phenytoin based on CYP2C9 and/or HLA-B genotype (also available on PharmGKB: http://www.pharmgkb.org). The purpose of this guideline is to provide information for the interpretation of HLA-B and/or CYP2C9 genotype tests so that the results can guide dosing and/or use of phenytoin. Detailed guidelines for the use of phenytoin as well as analyses of cost-effectiveness are out of scope. Clinical Pharmacogenetics Implementation Consortium (CPIC) guidelines are periodically updated at http://www.pharmgkb.org.

Piloting "sodabriety": a school-based intervention to impact sugar-sweetened beverage consumption in rural Appalachian high schools

BACKGROUND

Sugar-sweetened beverages (SSBs) are the largest source of added sugar in the US diet. In adolescents aged 12-19, these drinks account for 13% to 28% of total daily calories. Compared with other adolescents, those residing in Appalachia have the highest consumption rates of SSBs.

METHODS

Using a Teen Advisory Council (TAC), a student-designed and student-led intervention was conducted at 2 high schools in a rural Appalachian county. Using repeated-measures models design with Bonferroni correction, data were collected on daily and weekly consumption of SSBs and of water at baseline, immediately post-intervention, and 30 days post-intervention. Vending machine surveys were completed.

RESULTS

The 186 participants reported purchasing SSBs from school vending machines (41.4%), cafeteria (36.5%), and school stores (7.7%). Daily SSB servings decreased from an average of 2.32 (SD = 2.14) to 1.32 (SD = 1.29) (p < .001). Weekly consumption decreased from an average of 4.30 (SD = 2.40) days/week to 2.64 (SD = 1.91) (p < .001). Water consumption increased 19% from baseline to immediately post-intervention.

CONCLUSIONS

Student-directed efforts to support behavioral change are feasible and effective at affecting individual lifestyle behaviors. Small and manageable changes may lead to net improvements in lifestyle behaviors.

Comparing the effects of teen mentors to adult teachers on child lifestyle behaviors and health outcomes in Appalachia

Childhood obesity prevalence rates in the United States are the highest in the rural Appalachian areas. Teens mentoring younger children to reverse obesity health risks are an understudied approach. This randomized-controlled trial compared the effects of two curriculum delivery methods and assessed the mediating effects of the number of sessions attended on the outcomes. The control group received the 8-week Just for Kids! curriculum via an adult teacher in a classroom and the experimental group received the same curriculum via individual teen mentoring. Data collected at baseline and postintervention were analyzed using multilevel linear models. Each of the outcomes (e.g., body mass index, blood pressure, current lifestyle behaviors) were modeled separately. Only the mentored children demonstrated improved current lifestyle behaviors (e.g., physical activity and dietary patterns) and health outcomes. Teen mentoring was an effective and efficacious approach to impact the lifestyle patterns and health outcomes of children in a school setting.

Performance of pattern recognition myoelectric control using a generic electrode grid with targeted muscle reinnervation patients

Targeted muscle reinnervation (TMR) is a surgical technique that creates myoelectric prosthesis control sites for high-level amputees. The electromyographic signal patterns provided by the reinnervated muscles are well-suited for pattern recognition (PR) control. PR control uses more electrodes compared to conventional amplitude control techniques but their placement on the residual limb is less critical than for conventional amplitude control. In this contribution, we demonstrate that classification error and real-time control performances using a generically placed electrode grid were equivalent or superior to the performance when using targeted electrode placements on two transhumeral amputee subjects with TMR. When using a grid electrode layout, subjects were able to complete actions 0.290 sec to 1 sec faster and with greater accuracy as compared to clinically localized electrode placement (mean classification error of 1.35% and 3.2%, respectively, for a 5 movement-class classifier).These findings indicate that a grid electrode arrangement has the potential to improve control of a myoelectric prosthesis while reducing the time and effort associated with fitting the prosthesis due to clinical localization of control sites on amputee patients.

Cross-age peer mentoring approach to impact the health outcomes of children and families

Family-Centered Care provides a forum for sharing information about basic components of caring for children and families, including respect, information sharing, collaboration, family-to-family support, and confidence building.

Health status and access to health care services: a comparison between Ohio's rural non-Appalachian and Appalachian families

Comparisons in the health status of rural dwellers and care access have not traditionally considered culturally defined areas such as Appalachia. This study examined differences in parent health status, child health status, and access to care between those living in Ohio's 29 Appalachian counties and those living in Ohio's 30 rural counties. We analyzed data from the 2008 Ohio Family Health Survey including Bayesian hierarchical modeling. Child health differed by gender and ethnicity. Parent health status differed by region. Parent and child health status were related to care access. Health and access disparities exist within rural and Appalachia Ohio.

Piloting the use of teen mentors to promote a healthy diet and physical activity among children in Appalachia

PURPOSE

This study tested a mentoring model that paired trained teens with younger children in an after-school setting to deliver a curriculum aimed at promoting healthier patterns of dietary intake and physical activity.

DESIGN AND METHODS

Using a pretest-posttest design, group comparisons were made. Descriptive, independent, and paired t-test analyses with Bonferroni corrections were conducted in a sample of 72 children.

RESULTS

Group differences were noted with the intention to eat healthfully. Mentored children demonstrated greater improvement in knowledge, attitudes, efficacy, perceived support, and body mass index (BMI).

PRACTICE IMPLICATIONS

Teen mentors can effectively impact children's intention to improve health behaviors, which is foundational to normalizing BMI.

History of forced sex and recent sexual risk indicators among young adult males

CONTEXT

It is unclear whether young adult men who have ever been forced to have sex are at increased risk for sexual risk-taking, and whether their risk differs according to the gender of the perpetrator.

METHODS

Data from 1,400 males aged 18-24 who participated in the 2002 National Survey of Family Growth were used to determine the prevalence of a history of forced sex and the context of each respondent's most recent experience with such assaults. Logistic regression analyses were conducted to examine the relationship between victimization and having a recent indicator of sexual risk (e.g., having had sex in the past year with five or more female partners, a female injection-drug user or an HIV-positive female). Separate analyses were performed for coercion by females and coercion by males.

RESULTS

Six percent of men reported having been forced by a female perpetrator to have vaginal intercourse, while 1% said they had been forced by a male perpetrator to have oral or anal sex. Men had an elevated likelihood of having had one or more recent sexual risk indicators if they had ever been forced to have sex by a male (odds ratio, 6.9) or female (3.3). Verbal and physical forms of coercion and provision of alcohol and drugs were commonly used by perpetrators of both genders.

CONCLUSIONS

A better understanding of the pathways linking sexual victimization to sexual risk-taking among men is needed. Clinicians working with young men should screen them for victimization and provide STD testing and referrals for counseling if abuse is suspected or disclosed.

History of forced sex and recent sexual risk indicators among young adult males

CONTEXT

It is unclear whether young adult men who have ever been forced to have sex are at increased risk for sexual risk-taking, and whether their risk differs according to the gender of the perpetrator.

METHODS

Data from 1,400 males aged 18-24 who participated in the 2002 National Survey of Family Growth were used to determine the prevalence of a history of forced sex and the context of each respondent's most recent experience with such assaults. Logistic regression analyses were conducted to examine the relationship between victimization and having a recent indicator of sexual risk (e.g., having had sex in the past year with five or more female partners, a female injection-drug user or an HIV-positive female). Separate analyses were performed for coercion by females and coercion by males.

RESULTS

Six percent of men reported having been forced by a female perpetrator to have vaginal intercourse, while 1% said they had been forced by a male perpetrator to have oral or anal sex. Men had an elevated likelihood of having had one or more recent sexual risk indicators if they had ever been forced to have sex by a male (odds ratio, 6.9) or female (3.3). Verbal and physical forms of coercion and provision of alcohol and drugs were commonly used by perpetrators of both genders.

CONCLUSIONS

A better understanding of the pathways linking sexual victimization to sexual risk-taking among men is needed. Clinicians working with young men should screen them for victimization and provide STD testing and referrals for counseling if abuse is suspected or disclosed.

Exploring youth development with diverse children: correlates of risk, health, and thriving behaviors

PURPOSE

This study explored the relationships between internal and external assets, risk behaviors, health behaviors, and thriving behaviors in diverse children.

DESIGN AND METHODS

The strength of relationships existing between measures, differences between group means based on gender, grades earned, and school, and confidence interval (p < or = .05) were tested in a sample of 61 urban sixth graders.

RESULTS

Few assets were related to substance use. Assets were related to delinquency acts, health behaviors, and thriving indicators. Group differences between schools and gender and the total number of assets were noted.

PRACTICE IMPLICATIONS

Supporting assets are important to consider when nurses perform assessments and design interventions to support youths in their maturation processes.

UK surveillance: Provision of quality assured information from combined datasets

Surveillance information is most useful when provided within a risk framework, which is achieved by presenting results against an appropriate denominator. Often the datasets are captured separately and for different purposes, and will have inherent errors and biases that can be further confounded by the act of merging. The United Kingdom Rapid Analysis and Detection of Animal-related Risks (RADAR) system contains data from several sources and provides both data extracts for research purposes and reports for wider stakeholders. Considerable efforts are made to optimise the data in RADAR during the Extraction, Transformation and Loading (ETL) process. Despite efforts to ensure data quality, the final dataset inevitably contains some data errors and biases, most of which cannot be rectified during subsequent analysis. So, in order for users to establish the 'fitness for purpose' of data merged from more than one data source, Quality Statements are produced as defined within the overarching surveillance Quality Framework. These documents detail identified data errors and biases following ETL and report construction as well as relevant aspects of the datasets from which the data originated. This paper illustrates these issues using RADAR datasets, and describes how they can be minimised.

Predicting Early Academic Achievement in a Baccalaureate Nursing Program

Baccalaureate nursing programs are under increased pressure to graduate greater numbers of students to meet the demands of the nurse workforce of the future. Schools of nursing are admitting larger cohorts of students, but early academic achievement in the nursing major and retention are problematic. Historical predictors of early academic achievement, such as scholastic aptitude, may not be the best for identifying students at risk of early academic failure. Increasingly, baccalaureate nursing programs are relying on standardized nursing aptitude tests to evaluate the readiness of applicants for the nursing major. However, reliable predictors of early academic achievement have yet to be identified. The purpose of this study was to explore whether scholastic aptitude and nursing aptitude are predictive of early academic achievement in a baccalaureate nursing program. Using an exploratory descriptive design, data from 164 sophomore nursing students were examined. The data indicated that scholastic aptitude and nursing aptitude together predicted 20.2% of the variance in early academic achievement, with scholastic aptitude accounting for 15.4% of the variance.

Progress with enhancing veterinary surveillance in the United Kingdom

The UK has experienced various animal health events that have had national impact in recent years. In response, a ;Veterinary Surveillance Strategy' (VSS) was published in 2003, with the objective of enhancing and coordinating national veterinary surveillance practice in a way that would enable important animal health events to be detected and assessed more rapidly and reliably. The VSS adopts an integrated UK-wide approach, which includes widespread engagement with interested parties both within government and beyond. It proposes enhancing surveillance through improved collaboration; transparent and defensible prioritisation of government resources to surveillance; deriving better value from existing resources, and assuring quality of the surveillance reports and source data. This article describes progress with implementing the VSS, in particular the methodology for developing a functional network and creating an effective, quality-assured, information management system, RADAR.

Thyroid cancer in pregnancy

OBJECTIVE

To compare stage at diagnosis, treatment and survival among pregnant women with thyroid cancer to non-pregnant women with thyroid cancer, and to assess the impact of treatment on maternal and perinatal outcomes.

METHODS

A database containing maternal and newborn discharge records linked to the California Cancer Registry was queried to obtain information on all thyroid cancers from 1991-1999. Women with thyroid cancer occurring during pregnancy were compared to age-matched non-pregnant women with thyroid cancer.

RESULTS

595 cases of thyroid cancers were identified (129 antepartum and 466 postpartum). About 64% of thyroid cancers were diagnosed at stage 2 among pregnant women versus 58% among non-pregnant controls. The odds of thyroid cancer were 1.5 times higher among Asian/Pacific Islanders than among Non-Hispanic White women. Pregnancy had no significant effect on mortality after diagnosis of thyroid cancer. Thyroidectomy during pregnancy was not associated with adverse maternal or neonatal outcomes.

CONCLUSIONS

Thyroid cancer discovered during or after pregnancy does not appear to have a significant impact on the prognosis of the disease.

Testing a model: a developmental perspective of adolescent male sexuality

PURPOSE

This study tested a model of adolescent male sexuality and evaluated its usefulness for predicting sexual behaviors among a diverse sample.

DESIGN AND METHODS

Secondary analysis using a national sample was conducted. Sexuality was conceptualized as depending on family, peers, and school. Neighborhood was hypothesized to influence sexuality indirectly. Sexuality was hypothesized to influence sexual behaviors and age at first sex. Structural equation modeling techniques were used with ethnic comparisons.

RESULTS

Family was the strongest predictor of sexuality. Males who were closer to their family were sexually conservative; males closer to peers were sexually permissive. Neighborhood's influence was moderated through family and school. Ethnic differences were not found.

PRACTICE IMPLICATIONS

Sexuality assessments and strengthening family relationships are essential.

Chemoradiation for primary invasive squamous carcinoma of the vagina

OBJECTIVE

To report outcomes for patients with primary, invasive, squamous carcinoma of the vagina treated with chemoradiation.

METHODS

Between 1986 and 1996, 14 patients were treated with primary therapy consisting of synchronous radiation and chemotherapy. Patients were judged not to be surgical candidates based on tumor size, location, and concerns related to urinary, bowel, or sexual function. Three patients were FIGO stage I, ten patients stage II, and one patient stage III. Radiation consisted of teletherapy alone (six patients) or in combination with intravaginal brachytherapy (eight patients). Total radiation dose ranged from 5700 to 7080 cGy (median 6300 cGy). Chemotherapy consisted of 5-fluorouracil alone (seven patients), or with cisplatin (six patients) or mitomycin-C (one patient).

RESULTS

One patient failed locally at 7 months and died of disease at 11 months. Four patients died of intercurrent illness (46, 92, 104, 109 months) and nine are alive and cancer-free 74-168 months after treatment (median 100 months). There were no vesicovaginal or enterovaginal fistulae.

CONCLUSIONS

Radiation with synchronous chemotherapy is an effective treatment for squamous carcinoma of the vagina. Cancer control outcomes compare favorably with previously published results employing higher dose radiation as monotherapy.

Endometriosis-related malignancies

The purpose of this study is to describe the clinical findings, treatment, and outcome of patients with endometriosis-related cancers. Patients meeting Sampson and Scott's criteria for cancer associated with endometriosis in the Sacramento region were identified by chart review and pathology reports. Twenty-seven patients were identified with endometriosis-related malignancies (mean age 51.4 years). The site of origin was ovary in 17 (63.0%) and extra-ovarian in 10 (37%) including vagina, fallopian tube or mesosalpinx, pelvic sidewall, colon, and parametrium. The pattern of spread was local in five (18.5%), regional in 20 (74.1%) and distant in two (7.4%). Six patients had taken unopposed estrogen replacement (mean duration 23.4 years) and all six had extragonadal disease. Surgical procedures included hysterectomy, salpingo-oophorectomy, radical local excision, partial colectomy, and surgical staging. Eighteen patients received postoperative chemotherapy since the majority of patients had ovarian involvement. Fifteen patients received regional radiation therapy. Nineteen patients are without evidence of recurrence (70.4%, mean follow-up of 31 months). Endometriosis-related malignancies have a favorable prognosis. Extragonadal disease was commonly associated with unopposed estrogen replacement therapy. The predominance of local and regional disease strongly influence the application of treatment modalities.

Altered morphology in cultured rat intestinal epithelial IEC-6 cells is associated with alkaline phosphatase expression

Non-transformed, rat intestinal epithelial cells (IEC-6), and human intestinal colonic carcinoma cells (CACO-2) have both been used to study processes of epithelial cell differentiation. However, only CACO-2 cells have been described as spontaneously expressing phenotypic changes of differentiation in culture. We report here that when IEC-6 cells are grown in post-confluent culture, they develop structural changes similar to those seen in cells induced to differentiate by culture on Englebreth-Holm-Swarm (EHS) extracellular matrix proteins. Correlated with this morphological change is loss of nuclear localization of c-myc protein and development of cell surface alkaline phosphatase (ALP) enzymatic activity. Messenger RNAs for liver and intestinal isoforms of ALP were expressed in both pre- and post-confluent cells. Inhibition of ALP activity in post-confluent cells by levamisole indicated the expressed ALP activity to be of the liver isoform. We suggest the expression of ALP activity, which occurs concomitantly with morphological alterations in post-confluent IEC-6 cells, represents increased expression and localization to the cell surface of the liver isoform of ALP. Cultured IEC-6 cells may provide a non-transformed, in vitro alternative to CACO-2 cells for study of epithelial cell differentiation.

Genetic diversity and transcriptional analysis of the bys1 gene from Blastomyces dermatitidis

Blastomyces dermatitidis, a pathogenic fungal organism, is able to exist in two different morphologies, a multicellular mycelium or a unicellular yeast, according to temperature, 25 degrees C and 37 degrees C respectively. The switching between morphologies must be accompanied by a cascade of signaling events in which expression of genes responsible for the change of morphology is increased or decreased. bys1, a gene from B. dermatitidis isolate #58, is expressed at high levels in the unicellular yeast, but gradually diminishes as the temperature is lowered and the organism converts to the mycelial phase where there is no transcription of bys1. We explored if bys1 homologs are found in other B. dermatitidis isolates and if the transcription of the homologs were regulated by temperature. bys1 was identified in all B. dermatitidis isolates tested and could be grouped into two classes by Southern blot, PCR, and DNA sequence. Although the bys1 transcripts of both classes were regulated by temperature, transcription rates varied between the three isolates tested.

Obstetrical deliveries associated with maternal malignancy in California, 1992 through 1997

OBJECTIVE

This study aims to characterize the rate of occurrence and nature of outcomes associated with obstetrical deliveries in women with malignant neoplasms among 3,168,911 women who delivered in California in 1992 through 1997.

DESIGN

The study is a population-based retrospective review of infant birth and death certificates and maternal and neonatal discharge records. Cases of malignant neoplasms associated with obstetrical delivery were attributed to 1 of 3 categories, depending on the earliest documented hospital discharge diagnosis, as follows: "prenatal" if the diagnosis was first documented by hospitalization within 9 months preceding delivery, "at delivery" if the diagnosis was established from the delivery hospitalization, or "postpartum" if the diagnosis was first documented by hospitalization within 12 months after delivery.

METHODS

Computer-linked infant birth and death certificates and maternal and neonatal discharge records were used to identify cases and outcomes. Cases of malignant neoplasms were identified by using International Classification of Diseases, Ninth Revision codes (140-208). Noninvasive neoplasms and carcinoma in situ neoplasms were excluded. In analysis of outcomes, the Mantel-Haenszel estimate for adjusted odds ratios was used.

RESULTS

Among 3,168,911 obstetrical deliveries over the 6-year span, a total of 2247 cases of primary malignancy were identified. The observed rate of occurrence for primary malignant neoplasms was 0.71 per 1000 live singleton births. Most cases (53.3%) were first documented in the postpartum period as follows: prenatal, 587 cases (0.18 per 1000); at delivery, 462 cases (0.15 per 1000); and postpartum, 1198 cases (0.38 per 1000). The most frequently documented primary malignant neoplasms associated with obstetrical delivery were breast cancer (423 cases, 0.13 per 1000), thyroid cancer (389 cases, 0.12 per 1000), cervical cancer (266 cases, 0.08 per 1000), Hodgkin's disease (172 cases, 0.05 per 1000), and ovarian cancer (123 cases, 0.04 per 1000). Odds ratios for a variety of demographic factors identified maternal age as the most significant risk factor for development of malignant neoplasms (age greater than 40 vs 20-25, odds ratio 5.7, CI 4.6-6.9). Age-adjusted odds ratios for maternal cancer of any type suggested significantly elevated risks for cesarean delivery (odds ratio 1.4, CI 1.3-1.6), blood transfusion (odds ratio 6.2, CI 4.5-8.5), hysterectomy (odds ratio 27.4, CI 20.8-36.1), and maternal postpartum hospital stay greater than 5 days (odds ratio 30.6, CI 27.9-33.6), but not for postpartum maternal death (odds ratio 0.8, CI 0.6-1.0). Odds ratios also suggested significantly elevated risks for premature newborn (odds ratio 2.0, CI 1.8-2.2), very low birth weight (odds ratio 2.9, CI 2.2-3.8), and newborn hospital stay longer than 5 days (odds ratio 2.6, CI 2.4-3.0), but not for neonatal death (odds ratio 1.6, CI 0.8-3.1) or infant death (odds ratio 1.2, CI 0.5-3.3). However, several types of malignant neoplasms did confer significant elevations in risk for neonatal death. Hospital charges for both maternal and neonatal care were significantly elevated in the maternal malignant neoplasm group.

CONCLUSION

A lower than expected occurrence rate of obstetrical delivery associated with maternal malignancy was seen when compared with previously published hospital-based reports. Malignant neoplasms associated with obstetrical delivery were most frequently first documented in the postpartum period. Maternal and neonatal morbidity were significantly increased, yet the risk of in-hospital maternal death was not significantly elevated. A significant increase in risk of neonatal death for infants of mothers with cervical cancer was found.

Cyclic AMP- and IL6-signaling cross talk: comodulation of proliferation and apoptosis in the 7TD1 B cell hybridoma

Proliferation of the 7TD1 B cell hybridoma is dependent on the survival factor interleukin-6 (IL6). IL6 inhibits physiological cell death and allows expansion of populations of serum-stimulated cells. In this report, we demonstrate that cyclic AMP (cAMP)- and IL6-dependent signaling pathways can interact, controlling proliferation of 7TD1 cells through modulation of apoptosis. Cyclic AMP analogues inhibited proliferation, as well as other treatments that increased intracellular cAMP. The cAMP-induced inhibition could be reversed after 24 h by the removal of dibutyryl-cAMP from the culture medium and readdition of IL6. In the absence of IL6, cAMP induced a slow loss of viable cells. This decrease in viable cells in the presence of cAMP was accompanied by a marked increase in apoptosis. The increase in apoptotic cells after 48 h was preceded at 24 h by a parallel increase in DEVD-caspase activity after treatment with cell-permeable cAMP analogues. Increased DEVD-caspase activity and subsequent apoptosis could both be blocked by the addition of IL6. These coregulating actions may represent a cross-talk signaling mechanism modulating cytokine activation of cellular proliferation and survival.

Phenotypic expression of primary hyperoxaluria: comparative features of types I and II

BACKGROUND

The primary hyperoxalurias are autosomal recessive disorders resulting from deficiency of hepatic alanine:glyoxylate aminotransferase (PHI) or D-glycerate dehydrogenase/glyoxylate reductase (PHII). Marked hyperoxaluria results in urolithiasis, renal failure, and systemic oxalosis. A direct comparison of PHI and PHII has not previously been available.

METHODS

Twelve patients with PHI and eight patients with PHII with an initial creatinine clearance of greater than or equal to 50 mL/min/1.73 m2 underwent similar laboratory evaluation, clinical management, and follow-up. Diagnosis of PHI and PHII was made by hepatic enzyme analysis (N = 11), increased urinary excretion of glycolate or glycerate (N = 7), or complete pyridoxine responsiveness (N = 2). Six PHI and five PHII patients had measurements of calcium oxalate crystalluria, urine supersaturation, and urine inhibition of calcium oxalate crystal formation.

RESULTS

PHI and PHII did not differ in age at the onset of symptoms, initial serum creatinine, or plasma oxalate concentration. Urine oxalate excretion rates were higher in PHI (2.19 +/- 0.61 mmol/1.73 m2/24 hours) than PHII (1.61 +/- 0.43, P = 0.04). Urine osmolality, calcium, citrate, and magnesium concentrations were lower in PHI than PHII (P = 0.001, P = 0.019, P = 0.0002, P = 0.03, respectively). Crystalluria scores and calcium oxalate inhibitory activity of the urine did not differ between PHI and PHII. Calcium oxalate supersaturation in the urine was less in PHI (7.3 +/- 1.9) compared with PHII (14.0 +/- 3.3, P = 0.002). During follow-up of 10.3 +/- 9. 6 years in PHI and 18.1 +/- 5.6 years in PHII, stone-forming activity and stone procedures were more frequent in PHI than PHII (P < 0.01 and P = 0.01, respectively). Four of 12 PHI compared with 0 of 8 PHII patients progressed to end-stage renal disease (P = 0.03).

CONCLUSION

The severity of disease expression is greater in type I primary hyperoxaluria than in type II. The difference may be due to greater oxalate excretion and lower concentrations of urine citrate and magnesium in patients with PHI compared with PHII.

Dietary restrictions for patients with neutropenia: a survey of institutional practices

PURPOSE/OBJECTIVES

To describe institutional practices related to dietary restrictions for patients with neutropenia to determine whether restrictions are used and when they are implemented and discontinued.

DESIGN

Descriptive survey.

SAMPLE

156 institutions belonging to the Association of Community Cancer Centers.

METHODS

Mailed survey.

FINDINGS

Of the institutions surveyed, 78% (n = 120) placed patients with neutropenia on restricted diets. Participating institutions responded that patients were placed on restricted diets at a variety of different white blood cell and neutrophil counts, including neutrophils < 1,000 (43%) and < 500 (46%). The majority of institutions (92%) placed patients on restricted diets once neutropenia was documented, while only 9% of institutions restricted diets when cancer treatment was initiated. Of the participating institutions, 83% (n = 96) restricted diets only when patients were neutropenic rather than throughout the duration of the chemotherapy regimen. The most commonly restricted foods were fresh fruits and juices (92%), fresh vegetables (95%), and raw eggs (74%). Few institutions restricted tap water (12%). Wine was restricted at 39% of institutions, and beer was restricted at 40% of institutions.

CONCLUSIONS

The role of diet in the development of infection in patients with neutropenia is unclear. This unclear role contributes to the variation in dietary restrictions among institutions.

IMPLICATIONS FOR NURSING PRACTICE

Additional research should focus on dietary factors contributing to neutropenic infections and establishing criteria for implementation of specific dietary modifications. Nursing assessment should include nutritional status and risk factors for neutropenia and bacterial translocation. Nursing protocols for neutropenic dietary restrictions should be based on research findings.

A gene expression database for the molecular pharmacology of cancer

We used cDNA microarrays to assess gene expression profiles in 60 human cancer cell lines used in a drug discovery screen by the National Cancer Institute. Using these data, we linked bioinformatics and chemoinformatics by correlating gene expression and drug activity patterns in the NCI60 lines. Clustering the cell lines on the basis of gene expression yielded relationships very different from those obtained by clustering the cell lines on the basis of their response to drugs. Gene-drug relationships for the clinical agents 5-fluorouracil and L-asparaginase exemplify how variations in the transcript levels of particular genes relate to mechanisms of drug sensitivity and resistance. This is the first study to integrate large databases on gene expression and molecular pharmacology.

MedMiner: an Internet text-mining tool for biomedical information, with application to gene expression profiling

The trend toward high-throughput techniques in molecular biology and the explosion of online scientific data threaten to overwhelm the ability of researchers to take full advantage of available information. This problem is particularly severe in the rapidly expanding area of gene expression experiments, for example, those carried out with cDNA microarrays or oligonucleotide chips. We present an Internet-based hypertext program, MedMiner, which filters and organizes large amounts of textual and structured information returned from public search engines like GeneCards and PubMed. We demonstrate the value of the approach for the analysis of gene expression data, but MedMiner can also be extended to other areas involving molecular genetic or pharmacological information. More generally still, MedMiner can be used to organize the information returned from any arbitrary PubMed search.

Measurement of atherosclerotic carotid plaque size in vivo using high resolution magnetic resonance imaging

BACKGROUND

Current imaging modalities, such as contrast angiography, accurately determine the degree of luminal narrowing but provide no direct information on plaque size. Magnetic resonance imaging (MRI), however, has potential for noninvasively determining arterial wall area (WA). This study was conducted to determine the accuracy of in vivo MRI for measuring the cross-sectional maximum wall area (MaxWA) of atherosclerotic carotid arteries in a group of patients undergoing carotid endarterectomy.

METHODS AND RESULTS

Fourteen patients scheduled for carotid endarterectomy underwent preoperative carotid MRI using a custom-made phased-array coil. The plaques were excised en bloc and scanned using similar imaging parameters. MaxWA measurements from the ex vivo MRI were used as the reference standard and compared with MaxWA measurements from the corresponding in vivo MR study. Agreement between the in vivo and ex vivo measurement was analyzed using the Bland-Altman method. The paired in vivo and ex vivo MaxWA measurements strongly agreed: the mean difference (in vivo minus ex vivo) in MaxWA was 13.1+/-6.5 mm2 for T1-weighted (T1W) imaging (mean MaxWA in vivo=94.7 mm2, ex vivo=81.6 mm2) and 14.1+/-11.7 mm2 for proton density-weighted (PDW) imaging (mean MaxWA in vivo=93.4 mm2, ex vivo=79.3 mm2). Intraobserver and interobserver variability was small, with intraclass correlation coefficients ranging from 0.90 to 0.98.

CONCLUSIONS

MRI is highly accurate for in vivo measurement of artery WA in atherosclerotic carotid lesions. This imaging technique has potential application monitoring lesion size in studies examining plaque progression and/or regression.

A functional calvin cycle is not indispensable for the light activation of C4 phosphoenolpyruvate carboxylase kinase and its target enzyme in the maize mutant bundle sheath defective2-mutable1

We used a pale-green maize (Zea mays L.) mutant that fails to accumulate ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) to test the working hypothesis that the regulatory phosphorylation of C4 phosphoenolpyruvate carboxylase (PEPC) by its Ca2+-insensitive protein-serine/threonine kinase (PEPC kinase) in the C4 mesophyll cytosol depends on cross-talk with a functional Calvin cycle in the bundle sheath. Wild-type (W22) and bundle sheath defective2-mutable1 (bsd2-m1) seeds were grown in a controlled environment chamber at 100 to 130 &mgr;mol m-2 s-1 photosynthetic photon flux density, and leaf tissue was harvested 11 d after sowing, following exposure to various light intensities. Immunoblot analysis showed no major difference in the amount of polypeptide present for several mesophyll- and bundle-sheath-specific photosynthetic enzymes apart from Rubisco, which was either completely absent or very much reduced in the mutant. Similarly, leaf net CO2-exchange analysis and in vitro radiometric Rubisco assays showed that no appreciable carbon fixation was occurring in the mutant. In contrast, the sensitivity of PEPC to malate inhibition in bsd2-m1 leaves decreased significantly with an increase in light intensity, and there was a concomitant increase in PEPC kinase activity, similar to that seen in wild-type leaf tissue. Thus, although bsd2-m1 mutant plants lack an operative Calvin cycle, light activation of PEPC kinase and its target enzyme are not grossly perturbed.

Clinical expression and long-term outcomes of primary hyperoxaluria types 1 and 2

Primary hyperoxaluria, types 1 and 2, are rare disorders. Much of the information in the literature has been derived from case reports and data registries limited to patients requiring dialysis and/or transplantation. We present a single-center experience of 42 patients and 437 patient years of clinical experience with primary hyperoxaluria. Median age at onset of symptoms for patients with type 1 PH was 9 years, type 2 15.7 years. Sixty-four percent of the patients were less than 15 years of age at onset of symptoms. There was no correlation between urine oxalate excretion rates and age at onset of symptoms. Stone forming activity was greater in patients with type 1 PH than type 2. Ten patients presented initially with ESRD, and an additional seven developed ESRD during the course of follow-up. ESRD occurred in 54 percent of the patients with type 1 and 12 percent of patients with type 2 PH. Eight patients received nine renal allografts, five patients received combined kidney/liver transplants, and one patient received a hepatic allograft only. Ten of the transplanted patients were surviving at the time of the most recent follow up. Eight of them have functioning renal grafts and four have functioning hepatic grafts. There have been no deaths since 1988 among the 32 patients followed since that time. These data may suggest a broad range of clinical expression of primary hyperoxaluria. With current management strategies, outcomes are more favorable than has been reflected in previous literature.