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Coats H, Shive N, Adrian B, Doorenbos AZ, Schmiege SJ. Integration of Person-Centered Narratives Into the Electronic Health Record. Nurs Res 2023; 72:421-429. [PMID: 37582297 PMCID: PMC10615687 DOI: 10.1097/nnr.0000000000000680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
BACKGROUND Care delivery that is not person-centered has been called discordant care . There has been a shift to incorporate more of a person's narrative into their individual healthcare treatment plan to reduce discordant care. Aligning with this shift in healthcare delivery, we developed a person-centered narrative intervention (PCNI) to address existing gaps in delivery of person-centered care. OBJECTIVES This study aimed to evaluate the feasibility of conducting a randomized study and describe the outcomes of PCNI to usual care on the following person (patient)-reported outcomes: perceptions of the quality of communication with their nurses and their psychosocial and existential well-being. METHODS This study's design was an Obesity-Related Behavioral Intervention Trials model Phase II proof-of-concept randomized study. The participants were people admitted to an acute care hospital diagnosed with heart failure and/or end-stage renal disease. RESULTS Despite COVID-19 challenges, the PCNI was feasible in an acute care setting; it showed a moderate positive difference between conditions in the person's perception of their quality of communication and a small positive difference in their perception of feeling heard and understood. For our secondary outcomes of anxiety, depression, and psychosocial illness effect, there were small or no effects in the acute care setting. DISCUSSION Using a person-centered narrative, such as the PCNI, can help inform delivery of care that incorporates a person's (patient's) beliefs, values, and preferences into their healthcare. This study used a pragmatic approach to evaluate the PCNI in real time in an acute care setting to assess patient-reported outcomes. These positive results in a small sample indicate the need for continued testing of the PCNI. These promising effects require further testing in a Phase III efficacy study within a larger randomized controlled clinical trial.
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Affiliation(s)
- Heather Coats
- University of Colorado College of Nursing, Anschutz Medical Campus, Aurora, CO
| | - Nadia Shive
- University of Colorado College of Nursing, Anschutz Medical Campus, Aurora, CO
| | - Bonnie Adrian
- UCHealth University of Colorado Hospital, Aurora, CO
| | - Ardith Z. Doorenbos
- University of Illinois Chicago College of Nursing, Chicago, IL
- University of Illinois Cancer Center, Chicago, IL
| | - Sarah J. Schmiege
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus, Aurora, CO
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Coats H, Shive N, Bennett CR, Adrian B, Boyd AD, Doorenbos AZ, Schmiege SJ. Use of a Person-Centered Narrative Intervention in an Outpatient Palliative Care Setting: A Feasibility Study. J Patient Exp 2023; 10:23743735231202729. [PMID: 37736131 PMCID: PMC10510338 DOI: 10.1177/23743735231202729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023] Open
Abstract
Person-centered narrative interventions offer potential solutions to facilitate a connection between the person receiving care and the person delivering the care, to improve quality of care, and positively impact a patient's biopsychosocial well-being. This single-arm feasibility study investigates patient-reported outcomes and barriers/facilitators to the implementation of an all-virtually delivered person-centered narrative intervention into the person's electronic health record. Overall, electronic data collection for the patient-reported outcomes was feasible. All 15 participants felt participating in the study was "easy" and "enjoyable," and "not a burden." The facilitators of implementation included: "helpful to the clinician," "appreciated looking at me as whole person," "be seen and heard," "had a connection and trust," and "felt comfortable and relaxing." The barriers to implementation included: "completing all the paperwork," "being rushed for time to complete the PCNI," and some "emotion" during collection of narrative. The use of person-centered narrative interventions is a way to deploy dedicated tools to shift dehumanized healthcare delivery to a more humanized person-centered care that treats people as experts in their own life narratives by incorporating their beliefs, values, and preferences into their plan of care.
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Affiliation(s)
- Heather Coats
- University of Colorado College of Nursing, Anschutz Medical Campus, Aurora, CO, USA
| | - Nadia Shive
- University of Colorado College of Nursing, Anschutz Medical Campus, Aurora, CO, USA
| | - C Robert Bennett
- School of Medicine, University of Colorado, Anschutz Medical Campus, General Internal Medicine, Aurora, CO, USA
| | - Bonnie Adrian
- UCHealth University of Colorado Hospital, Aurora, CO, USA
| | - Andrew D Boyd
- Department of Biomedical and Health Information Sciences, University of Illinois Chicago, Chicago, IL, USA
- UI Health, Chicago, IL, USA
| | - Ardith Z Doorenbos
- University of Illinois Chicago, College of Nursing, Chicago, IL, USA
- Cancer Prevention and Control Program, University of Illinois Cancer Center, Chicago, IL, USA
| | - Sarah J Schmiege
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
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Coats H, Shive N, Adrian B, Boyd AD, Doorenbos AZ, Schmiege SJ. An Electronically Delivered Person-Centered Narrative Intervention for Persons Receiving Palliative Care: Protocol for a Mixed Methods Study. JMIR Res Protoc 2023; 12:e41787. [PMID: 36943346 PMCID: PMC10131928 DOI: 10.2196/41787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 01/12/2023] [Accepted: 02/06/2023] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND In the health care setting, electronic health records (EHRs) are one of the primary modes of communication about patients, but most of this information is clinician centered. There is a need to consider the patient as a person and integrate their perspectives into their health record. Incorporating a patient's narrative into the EHR provides an opportunity to communicate patients' cultural values and beliefs to the health care team and has the potential to improve patient-clinician communication. This paper describes the protocol to evaluate the integration of an adapted person-centered narrative intervention (PCNI). This adaptation builds on our previous research centered on the implementation of PCNIs. The adaptation for this study includes an all-electronic delivery of a PCNI in an outpatient clinical setting. OBJECTIVE This research protocol aims to evaluate the feasibility, usability, and effects of the all-electronic delivery of a PCNI in an outpatient setting on patient-reported outcomes. The first objective of this study is to identify the barriers and facilitators of an internet-based-delivered PCNI from the perspectives of persons living with serious illness and their clinicians. The second objective is to conduct acceptability, usability, and intervention fidelity testing to determine the essential requirements for the EHR integration of an internet-based-delivered PCNI. The third objective is to test the feasibility of the PCNI in an outpatient clinic setting. METHODS Using a mixed method design, this single-arm intervention feasibility study was delivered over approximately 3 to 4 weeks. Patient participant recruitment was conducted via screening outpatient palliative care clinic schedules weekly for upcoming new palliative care patient visits and then emailing potential patient participants to notify them about the study. The PCNI was delivered via email and Zoom app. Patient-reported outcome measures were completed by patient participants at baseline, 24 to 48 hours after PCNI, and after the initial palliative care clinic visit, approximately 1 month after baseline. Inclusion criteria included having the capacity to give consent and having an upcoming initial outpatient palliative care clinic visit. RESULTS The recruitment of participants began in April 2021. A total of 189 potential patient participants were approached via email, and 20 patient participants were enrolled, with data having been collected from May 2021 to September 2022. A total of 7 clinician participants were enrolled, with a total of 3 clinician exit interviews and 1 focus group (n=5), which was conducted in October 2022. Data analysis is expected to be completed by the end of June 2023. CONCLUSIONS The findings from this study, combined with those from other PCNI studies conducted in acute care settings, have the potential to influence clinical practices and policies and provide innovative avenues to integrate more person-centered care delivery. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/41787.
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Affiliation(s)
- Heather Coats
- College of Nursing, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Nadia Shive
- College of Nursing, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | | | - Andrew D Boyd
- University of Illinois, Chicago, IL, United States
- UI Health, Chicago, IL, United States
| | - Ardith Z Doorenbos
- University of Illinois, Chicago, IL, United States
- University of Illinois Cancer Center, Chicago, IL, United States
| | - Sarah J Schmiege
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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Sottile PD, Albers D, DeWitt PE, Russell S, Stroh JN, Kao DP, Adrian B, Levine ME, Mooney R, Larchick L, Kutner JS, Wynia MK, Glasheen JJ, Bennett TD. Real-Time Electronic Health Record Mortality Prediction During the COVID-19 Pandemic: A Prospective Cohort Study. J Am Med Inform Assoc 2021; 28:2354-2365. [PMID: 33973011 PMCID: PMC8136054 DOI: 10.1093/jamia/ocab100] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/19/2021] [Accepted: 05/06/2021] [Indexed: 11/24/2022] Open
Abstract
Objective To rapidly develop, validate, and implement a novel real-time mortality score for the COVID-19 pandemic that improves upon sequential organ failure assessment (SOFA) for decision support for a Crisis Standards of Care team. Materials and Methods We developed, verified, and deployed a stacked generalization model to predict mortality using data available in the electronic health record (EHR) by combining 5 previously validated scores and additional novel variables reported to be associated with COVID-19-specific mortality. We verified the model with prospectively collected data from 12 hospitals in Colorado between March 2020 and July 2020. We compared the area under the receiver operator curve (AUROC) for the new model to the SOFA score and the Charlson Comorbidity Index. Results The prospective cohort included 27 296 encounters, of which 1358 (5.0%) were positive for SARS-CoV-2, 4494 (16.5%) required intensive care unit care, 1480 (5.4%) required mechanical ventilation, and 717 (2.6%) ended in death. The Charlson Comorbidity Index and SOFA scores predicted mortality with an AUROC of 0.72 and 0.90, respectively. Our novel score predicted mortality with AUROC 0.94. In the subset of patients with COVID-19, the stacked model predicted mortality with AUROC 0.90, whereas SOFA had AUROC of 0.85. Discussion Stacked regression allows a flexible, updatable, live-implementable, ethically defensible predictive analytics tool for decision support that begins with validated models and includes only novel information that improves prediction. Conclusion We developed and validated an accurate in-hospital mortality prediction score in a live EHR for automatic and continuous calculation using a novel model that improved upon SOFA.
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Affiliation(s)
- Peter D Sottile
- Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - David Albers
- Section of Informatics and Data Science, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA
| | - Peter E DeWitt
- Section of Informatics and Data Science, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA
| | - Seth Russell
- Data Science to Patient Value Initiative, University of Colorado School of Medicine, Aurora, CO, USA
| | - J N Stroh
- Department of Bioengineering, University of Colorado-Denver College of Engineering, Design, and Computing, Denver, CO, USA
| | - David P Kao
- Divisions of Cardiology and Bioinformatics/Personalized Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Bonnie Adrian
- UCHealth Clinical Informatics and University of Colorado College of Nursing, Aurora, CO, USA
| | - Matthew E Levine
- Department of Computational and Mathematical Sciences, California Institute of Technology, Pasadena, CA, USA
| | | | | | - Jean S Kutner
- Division of General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Chief Medical Officer, University of Colorado Hospital/UCHealth, Aurora, CO, USA
| | - Matthew K Wynia
- Center for Bioethics and Humanities, University of Colorado and Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jeffrey J Glasheen
- Division of Hospital Medicine, Department of Medicine, University of Colorado School of Medicine and Chief Quality Officer, UCHealth, Aurora, CO, USA
| | - Tellen D Bennett
- Section of Informatics and Data Science, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA.,Section of Critical Care Medicine, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA
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Sottile PD, Albers D, DeWitt PE, Russell S, Stroh JN, Kao DP, Adrian B, Levine ME, Mooney R, Larchick L, Kutner JS, Wynia MK, Glasheen JJ, Bennett TD. Real-Time Electronic Health Record Mortality Prediction During the COVID-19 Pandemic: A Prospective Cohort Study. medRxiv 2021. [PMID: 33469601 DOI: 10.1101/2021.01.14.21249793] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Background The SARS-CoV-2 virus has infected millions of people, overwhelming critical care resources in some regions. Many plans for rationing critical care resources during crises are based on the Sequential Organ Failure Assessment (SOFA) score. The COVID-19 pandemic created an emergent need to develop and validate a novel electronic health record (EHR)-computable tool to predict mortality. Research Questions To rapidly develop, validate, and implement a novel real-time mortality score for the COVID-19 pandemic that improves upon SOFA. Study Design and Methods We conducted a prospective cohort study of a regional health system with 12 hospitals in Colorado between March 2020 and July 2020. All patients >14 years old hospitalized during the study period without a do not resuscitate order were included. Patients were stratified by the diagnosis of COVID-19. From this cohort, we developed and validated a model using stacked generalization to predict mortality using data widely available in the EHR by combining five previously validated scores and additional novel variables reported to be associated with COVID-19-specific mortality. We compared the area under the receiver operator curve (AUROC) for the new model to the SOFA score and the Charlson Comorbidity Index. Results We prospectively analyzed 27,296 encounters, of which 1,358 (5.0%) were positive for SARS-CoV-2, 4,494 (16.5%) included intensive care unit (ICU)-level care, 1,480 (5.4%) included invasive mechanical ventilation, and 717 (2.6%) ended in death. The Charlson Comorbidity Index and SOFA scores predicted overall mortality with an AUROC of 0.72 and 0.90, respectively. Our novel score predicted overall mortality with AUROC 0.94. In the subset of patients with COVID-19, we predicted mortality with AUROC 0.90, whereas SOFA had AUROC of 0.85. Interpretation We developed and validated an accurate, in-hospital mortality prediction score in a live EHR for automatic and continuous calculation using a novel model, that improved upon SOFA. Take Home Points Study Question: Can we improve upon the SOFA score for real-time mortality prediction during the COVID-19 pandemic by leveraging electronic health record (EHR) data?Results: We rapidly developed and implemented a novel yet SOFA-anchored mortality model across 12 hospitals and conducted a prospective cohort study of 27,296 adult hospitalizations, 1,358 (5.0%) of which were positive for SARS-CoV-2. The Charlson Comorbidity Index and SOFA scores predicted all-cause mortality with AUROCs of 0.72 and 0.90, respectively. Our novel score predicted mortality with AUROC 0.94.Interpretation: A novel EHR-based mortality score can be rapidly implemented to better predict patient outcomes during an evolving pandemic.
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Lin CT, Bookman K, Sieja A, Markley K, Altman RL, Sippel J, Perica K, Reece L, Davis C, Horowitz E, Pisney L, Sottile PD, Kao D, Adrian B, Szkil M, Griffin J, Youngwerth J, Drew B, Pell J. Clinical informatics accelerates health system adaptation to the COVID-19 pandemic: examples from Colorado. J Am Med Inform Assoc 2020; 27:1955-1963. [PMID: 32687152 PMCID: PMC7454679 DOI: 10.1093/jamia/ocaa171] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/07/2020] [Accepted: 07/17/2020] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE Large health systems responding to the coronavirus disease 2019 (COVID-19) pandemic face a broad range of challenges; we describe 14 examples of innovative and effective informatics interventions. MATERIALS AND METHODS A team of 30 physician and 17 nurse informaticists with an electronic health record (EHR) and associated informatics tools. RESULTS To meet the demands posed by the influx of patients with COVID-19 into the health system, the team built solutions to accomplish the following goals: 1) train physicians and nurses quickly to manage a potential surge of hospital patients; 2) build and adjust interactive visual pathways to guide decisions; 3) scale up video visits and teach best-practice communication; 4) use tablets and remote monitors to improve in-hospital and posthospital patient connections; 5) allow hundreds of physicians to build rapid consensus; 6) improve the use of advance care planning; 7) keep clinicians aware of patients' changing COVID-19 status; 8) connect nurses and families in new ways; 9) semi-automate Crisis Standards of Care; and 10) predict future hospitalizations. DISCUSSION During the onset of the COVID-19 pandemic, the UCHealth Joint Informatics Group applied a strategy of "practical informatics" to rapidly translate critical leadership decisions into understandable guidance and effective tools for patient care. CONCLUSION Informatics-trained physicians and nurses drew upon their trusted relationships with multiple teams within the organization to create practical solutions for onboarding, clinical decision-making, telehealth, and predictive analytics.
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Affiliation(s)
- Chen-Tan Lin
- Division of General Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Kelly Bookman
- Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Amber Sieja
- Division of General Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | - Richard L Altman
- Division of General Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Jeffrey Sippel
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | | | - Christopher Davis
- Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | - Larissa Pisney
- Division of Infectious Diseases, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Peter D Sottile
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - David Kao
- Division of Cardiology, University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | | | | | - Jeanie Youngwerth
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | - Jonathan Pell
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
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Ho A, Purdy L, Adrian B, Higa T, Cembrowski G. Measurement of Variation in Videotaped Outpatient Phlebotomies: A Model for Phlebotomy Improvement. Lab Med 2002. [DOI: 10.1309/ljut-k8c6-l9wx-e00p] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Andrew Ho
- Medical Laboratory Science, University of Alberta, Edmonton, Alberta
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta
| | - Lisa Purdy
- Medical Laboratory Science, University of Alberta, Edmonton, Alberta
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta
| | - Bonnie Adrian
- Dynacare Kasper Medical Laboratories, Edmonton, Alberta
| | - Thomas Higa
- Dynacare Kasper Medical Laboratories, Edmonton, Alberta
| | - George Cembrowski
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta
- Capital Health Authority, Walter C. Mackenzie Centre, Edmonton, Alberta
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Stefanovic I, Adrian B, Jansen HT, Lehman MN, Goodman RL. The ability of estradiol to induce Fos expression in a subset of estrogen receptor-alpha-containing neurons in the preoptic area of the ewe depends on reproductive status. Endocrinology 2000; 141:190-6. [PMID: 10614639 DOI: 10.1210/endo.141.1.7286] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In the ewe, seasonal anestrus results from a change in the hypothalamic responsiveness to estradiol (E2) negative feedback. Considerable evidence has implicated a specific group of dopaminergic neurons (the A15 group) in this seasonally dependent E2 effect, but these neurons do not appear to contain estrogen receptor-alpha (ERalpha). This apparent discrepancy raises the possibility that at least one other neural system is also involved in mediating E2 inhibition. The purpose of this study was to determine whether ERalpha-containing neurons are activated by the negative feedback action of E2 in anestrus. In Exp 1, we examined the effects of E2 on expression of the immediate early gene products, Fos and Fos-related antigens, in ERalpha-positive cells in anestrous ewes. ERalpha and Fos/Fos-related antigens were colocalized using a dual immunofluorescence procedure in sections throughout the hypothalamus from ovariectomized and E2-treated ovariectomized anestrous ewes. A low dose E2 treatment that inhibited LH pulse frequency and induced Fos in A15 dopaminergic neurons in a previous study significantly increased the percentage of ERalpha-containing neurons expressing Fos (17.8% vs. 1.7%) in the medial preoptic area, but not in other hypothalamic areas. In Exp 2, we determined whether there was a seasonal difference in the effect of E2 on Fos/ERalpha colocalization in this region. E2 treatment produced a 3-fold increase in the percentage of ERalpha-positive cells expressing Fos (15.1% vs. 3.4%) in anestrus, but failed to increase ERalpha/Fos colocalization (1.8% vs. 3.5%) during the breeding season. These data raise the possibility that a subset of ERalpha-containing neurons in the medial preoptic area plays a role in the seasonal change in response to E2 negative feedback in the ewe.
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Affiliation(s)
- I Stefanovic
- Department of Physiology, West Virginia University Health Sciences Center, Morgantown 26506-9229, USA
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Boukhliq R, Goodman RL, Berriman SJ, Adrian B, Lehman MN. A subset of gonadotropin-releasing hormone neurons in the ovine medial basal hypothalamus is activated during increased pulsatile luteinizing hormone secretion. Endocrinology 1999; 140:5929-36. [PMID: 10579360 DOI: 10.1210/endo.140.12.7216] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
GnRH neurons active in the preovulatory LH surge have been identified in several species using the early intermediate gene product, Fos, but the GnRH neurons active during episodic LH secretion remain unknown. In this study, we have used Fos and Fos-related antigens (FRA) to determine whether a subset of GnRH neurons is active when pulsatile LH secretion is acutely stimulated in sheep. In experiment 1, episodic LH secretion was stimulated in five of six ewes by injection of an opioid antagonist to luteal phase ewes. These five ewes had a 6-fold increase in the percentage of GnRH neurons in the medial basal hypothalamus (MBH) expressing Fos/FRA, compared with control ewes that had no LH pulses before death. Fos/FRA expression was not increased in GnRH neurons found in any other area. In experiment 2, episodic LH secretion was induced in rams by introduction of estrous ewes. This treatment increased Fos/FRA expression in MBH GnRH neurons approximately 10-fold compared with control rams. Again, this increase in Fos/FRA expression in GnRH neurons was limited to the MBH. This selective activation of MBH GnRH neurons could reflect the preferential inhibition of these perikarya by endogenous opioid peptides. It also raises the possibility that a subset of GnRH neurons in the MBH may be responsible for episodic GnRH secretion in sheep.
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Affiliation(s)
- R Boukhliq
- Department of Physiology, West Virginia University Health Sciences Center, Morgantown 26506-9229, USA
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Lehman MN, Durham DM, Jansen HT, Adrian B, Goodman RL. Dopaminergic A14/A15 neurons are activated during estradiol negative feedback in anestrous, but not breeding season, ewes. Endocrinology 1996; 137:4443-50. [PMID: 8828506 DOI: 10.1210/endo.137.10.8828506] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A major factor responsible for seasonal anestrus in sheep is a striking increase in the ability of estradiol (E) to inhibit pulsatile GnRH and LH secretion. Previous studies suggest that dopaminergic neurons in the A14 and A15 groups of the ovine hypothalamus play a key role in conveying the inhibitory effects of E in anestrous ewes. The present study tested the hypothesis that A14/A15 neurons in anestrous ewes are activated in response to E, and that this activation is specifically related to seasonal changes in E negative feedback. Expression of the immediate early gene products, Fos and the Fos-related antigens (FRAs), was used as a marker of neuronal activation. Ovariectomized anestrous ewes received either blank implants (no E) or 0.5-cm long E implants sc and were killed 6 h later (E+6h) or 7 days later (E+7d and no E groups). During the breeding season, two additional groups of ovariectomized ewes were perfused 7 days after insertion of either blank or E implants. During anestrus, E completely suppressed LH pulses in the E+7d group, but had no effect in the E+6h group. In the E+7d anestrous group, there was also a significant increase in the mean percentage of tyrosine hydroxylase (TH)-positive cells that expressed nuclear Fos/FRAs in A14 and A15 areas compared to that in either the no E or E+6h group. By contrast, during the breeding season, E had no effect on LH pulse frequency, and there were relatively few TH-positive cells in A14 and A15 that coexpressed Fos/FRAs in either the no E or E+7d group. No significant steroidal or seasonal differences in Fos/FRA expression were seen in other hypothalamic dopaminergic cell groups (A12 and A13) or in the preoptic area-anterior hypothalamus or suprachiasmatic nucleus. Furthermore, E did not alter the total number of TH-positive neurons in A14/A15 or other cell groups. There were seasonal differences in the number of TH-positive neurons, with a significantly greater number of cells in the A13 and A15 of breeding season animals compared to anestrous ewes. Thus, E increased Fos/FRA expression in A14/A15 neurons only during anestrus at a time when it also inhibited LH pulse frequency. These findings are consistent with the view that activation of dopaminergic cells in A14 and A15 is a critical link in the chain of events leading to seasonal shifts in sensitivity to E negative feedback in the ewe.
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Affiliation(s)
- M N Lehman
- Department of Cell Biology, Neurobiology, and Anatomy, University of Cincinnati College of Medicine, Ohio 45267-0521, USA
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Schäfer RO, Pahl L, Wallrabe D, Adrian B, Zott HJ, Cobet H, Menz M. [Diagnosis of heart tumors--contribution of 2-dimensional and Doppler echocardiography]. Z Gesamte Inn Med 1987; 42:511-6. [PMID: 2961145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The advantages of the modern two-dimensional echocardiography in comparison to the M-mode one are investigated on the basis of findings in 7 patients with heart tumors. Also the possibilities of Doppler echocardiography for comprehensive information about the cardiac situation in these patients are demonstrated. It will be shown that in some patients operation can be performed entirely on the basis of echocardiographic findings.
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Affiliation(s)
- R O Schäfer
- Zentralinstitut für Herz-Kreislauf-Forschung, Akademie der Wissenschaften der DDR
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Weh M, Gudowski G, Adrian B. [Marfan syndrome--a case report]. Kinderarztl Prax 1985; 53:185-91. [PMID: 4010158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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14
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Adrian B, Pahl L, Gudowski G, Heine H. [Echocardiographic determination of the width of the ejection tract in healthy children and patients with selected heart defects]. Padiatr Grenzgeb 1983; 22:207-211. [PMID: 6888934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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15
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Adrian B, Pahl L. [Aortic stenoses in echocardiography]. Kinderarztl Prax 1980; 48:532-8. [PMID: 6449614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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16
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Adrian B, Bartel J, Gottschalk C, Lenk H. [Hypochromic polyglobulia in infants and children with cyanotic heart defects. 3. Recommendations on iron therapy]. Kinderarztl Prax 1980; 48:470-2. [PMID: 7431740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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17
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Adrian B, Gottschalk C, Lenk H, Bartel J. [Hypochromic polyglobulia in infants and children with cyanotic heart defects. 2. Determination of selected parameters of iron metabolism]. Kinderarztl Prax 1980; 48:423-6. [PMID: 7431738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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18
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Adrian B, Gottschalk C, Michel A, Lenk H. [Hypochromic polyglobulia in infants and small children with cyanotic heart defects. 1. Development of red blood cell picture]. Kinderarztl Prax 1980; 48:374-8. [PMID: 7431733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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19
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Adrian B, Hermann HT. Manic-depressive illness or paranoid schizophrenia? S D J Med 1979; 32:7-9. [PMID: 290045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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Adrian B. The third year at USD School of Medicine. S D J Med 1977; 30:29-30. [PMID: 266281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Adrian B, Bartel J. [The polysplenia syndrome. Differential diagnosis of heart defects with cyanosis]. Kinderarztl Prax 1976; 44:22-9. [PMID: 1255943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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22
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Adrian B, Bartel J, Leetz I. [Significance of congenital heart defects in infant mortality]. Dtsch Gesundheitsw 1971; 26:1830-2. [PMID: 5142356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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23
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Gudowski G, Schneeweiss B, Briedigkeit W, Staudt J, Robbe K, Dieckhoff J, Adrian B, Michel A, Hodi J, Tschauschev P. [Results of animal experiments on toxic organ damages under longterm antibiotic therapy (binotal, colimycine)]. Dtsch Gesundheitsw 1970; 25:2349-55. [PMID: 5509661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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