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Rhodes JR, Alldredge CT, Elkins GR. Magnitude of placebo response in clinical trials of paroxetine for vasomotor symptoms: a meta-analysis. Front Psychiatry 2023; 14:1204163. [PMID: 37599891 PMCID: PMC10436555 DOI: 10.3389/fpsyt.2023.1204163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 07/12/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Vasomotor symptoms, or hot flashes, are among the most common complaints for menopausal and postmenopausal women. As an alternative to hormone replacement therapy, paroxetine mesylate became the only non-hormonal treatment approved by the U.S. Food and Drug Administration (FDA), despite limited evidence for its efficacy. More specifically, there is uncertainty around paroxetine's unique benefit and the magnitude of the placebo response in clinical trials of paroxetine. Methods Relevant databases were searched to identify randomized clinical trials examining the efficacy of paroxetine to treat hot flashes. The primary outcomes of interest were hot flash frequency and hot flash severity scores. Data was extracted from the published results, and risk of bias assessments were conducted. Results Six randomized clinical trials that included a total of 1,486 women were coded and analyzed. The results demonstrated that 79% of the mean treatment response for hot flash frequency is accounted for by a placebo response, resulting in a mean true drug effect of 21% at most. Additionally, 68% of the mean treatment response for hot flash severity is accounted for by a placebo response, resulting in a maximum true drug effect of 32%. Discussion The results herein call into question the actual efficacy of the only FDA approved, non-hormonal treatment for hot flashes by demonstrating that a placebo response accounts for the majority of treatment responses for reductions in both hot flash frequency and severity. The findings provide evidence to reevaluate the use of paroxetine to treat postmenopausal hot flashes and emphasize the importance of considering effective, alternative treatments for vasomotor symptoms.
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Affiliation(s)
- Joshua R. Rhodes
- Department of Psychology, Abilene Christian University, Abilene, TX, United States
| | - Cameron T. Alldredge
- Department of Psychology and Neuroscience, Baylor University, Waco, TX, United States
| | - Gary R. Elkins
- Department of Psychology and Neuroscience, Baylor University, Waco, TX, United States
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Perrier J, Galin M, Denise P, Giffard B, Quarck G. Tackling Insomnia Symptoms through Vestibular Stimulation in Patients with Breast Cancer: A Perspective Paper. Cancers (Basel) 2023; 15:cancers15112904. [PMID: 37296867 DOI: 10.3390/cancers15112904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 06/12/2023] Open
Abstract
Insomnia symptoms are common among patients with breast cancer (BC; 20-70%) and are predictors of cancer progression and quality of life. Studies have highlighted sleep structure modifications, including increased awakenings and reduced sleep efficiency and total sleep time. Such modifications may result from circadian rhythm alterations consistently reported in this pathology and known as carcinogenic factors, including lower melatonin levels, a flattened diurnal cortisol pattern, and lower rest-activity rhythm amplitude and robustness. Cognitive behavioral therapy and physical activity are the most commonly used non-pharmacological interventions to counter insomnia difficulties in patients with BC. However, their effects on sleep structure remain unclear. Moreover, such approaches may be difficult to implement shortly after chemotherapy. Innovatively, vestibular stimulation would be particularly suited to tackling insomnia symptoms. Indeed, recent reports have shown that vestibular stimulation could resynchronize circadian rhythms and improve deep sleep in healthy volunteers. Moreover, vestibular dysfunction has been reported following chemotherapy. This perspective paper aims to support the evidence of using galvanic vestibular stimulation to resynchronize circadian rhythms and reduce insomnia symptoms in patients with BC, with beneficial effects on quality of life and, potentially, survival.
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Affiliation(s)
- Joy Perrier
- Neuropsychologie et Imagerie de la Mémoire Humaine U1077, EPHE, INSERM, CHU de Caen, GIP Cyceron, PSL Université, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
| | - Melvin Galin
- Neuropsychologie et Imagerie de la Mémoire Humaine U1077, EPHE, INSERM, CHU de Caen, GIP Cyceron, PSL Université, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
- COMETE U1075, INSERM, CYCERON, CHU de Caen, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
| | - Pierre Denise
- COMETE U1075, INSERM, CYCERON, CHU de Caen, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
| | - Bénédicte Giffard
- Neuropsychologie et Imagerie de la Mémoire Humaine U1077, EPHE, INSERM, CHU de Caen, GIP Cyceron, PSL Université, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
| | - Gaëlle Quarck
- COMETE U1075, INSERM, CYCERON, CHU de Caen, Normandie Univ, Université de Caen Normandie, 14000 Caen, France
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3
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[L-tryptophan as dietetic supplement and treatment for hot flashes, astenia, and insomnia in cancer patients]. NUTR HOSP 2021; 38:568-574. [PMID: 33752438 DOI: 10.20960/nh.03404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Introduction Introduction: in women with breast cancer and gynecologic cancer, as well as in men with prostate carcinoma, hot flashes, asthenia, and insomnia are common and bothersome symptoms that impair quality of life. Objective: to evaluate the effectiveness of tryptophan intake as a treatment for hot flushes, asthenia, and insomnia in patients with prostate, breast, and uterine cervical cancer. Materials and methods: intervention study without a control group at the HUCA Radiation Oncology Service, from July 2018 to July 2019. A total of 60 patients with prostate, breast, or uterine cervical cancer who had received treatment with radiotherapy and hormone therapy, and who presented with hot flushes, asthenia, and insomnia were included. L-tryptophan was administered at a dose of 3 g per day. Results: a significant increase in serum tryptophan levels at the end of the study (p < 0.001) and a significant decrease in the scores of the study symptoms were reported. Although statistical significance was not found, a significant improvement in each symptom was observed, as well as an improvement in quality of life (p < 0.001). Conclusions: the study suggests that, in patients with breast, prostate, or uterine cervical cancer, and symptoms such as hot flushes, asthenia, and insomnia, the administration of tryptophan as a nutritional supplement is well tolerated, improves quality of life, and is associated with improvement in the scale scores of the symptoms of interest, although no statistically significant relationship with increased blood tryptophan levels was found.
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Son KL, Jung D, Lee KM, Hwang H, Lee J, Kim TY, Im SA, Lee KH, Spiegel D, Hahm BJ. Morning chronotype is a protective factor against chemotherapy-induced hot flashes in premenopausal women with breast cancer. Support Care Cancer 2019; 28:1351-1358. [PMID: 31264189 DOI: 10.1007/s00520-019-04949-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 06/18/2019] [Indexed: 11/27/2022]
Abstract
PURPOSE Adjuvant chemotherapy in patients with breast cancer often causes hot flashes, impairing quality of life. However, the chronobiological or psychiatric factors associated with the development of chemotherapy-induced hot flashes (CIHFs) remain undetermined. The purpose of this study was to investigate whether chronotype was associated with the incidence of CIHFs. METHODS A total of 119 premenopausal women with non-metastatic breast cancer awaiting adjuvant chemotherapy after surgery without hot flashes were included. The presence of CIHF was defined as having moderate to severe hot flashes, as measured by the subscale of hot flashes in the Menopause Rating Scale, at 4 weeks after the completion of chemotherapy. Chronotype (Morning/Intermediate/Evening) was assessed with the Composite Scale of Morningness before adjuvant chemotherapy. To examine the association between chronotype and CIHF, we built logistic regression models, adjusting for age, body mass index, sleep quality, and radiation therapy. RESULTS CIHF occurred in 50.4% of participants. Morning type was inversely associated with CIHF (reference: Intermediate type, odds ratio [OR], 0.37; 95% confidence interval [CI], 0.16-0.94; p = 0.040) in the univariate model, and the association remained significant (OR, 0.37; CI, 0.13-0.96; p = 0.045) after adjusting for age, body mass index, sleep quality, and radiation therapy. CONCLUSIONS Morning chronotype is a protective factor against the development of CIHF in patients with breast cancer. Chronotypes should be assessed and considered in the prediction and management of CIHF.
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Affiliation(s)
- Kyung-Lak Son
- Department of Psychiatry, Dongguk University Ilsan Hospital, Goyang, South Korea
| | - Dooyoung Jung
- Department of Human Factors Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Kwang-Min Lee
- Department of Psychiatry and Behavioral Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Public Health Medical Service, Seoul National University Hospital, Seoul, South Korea.,Department of Psychiatry, Chungcheongnam-do Seosan Medical Center, Seosan, South Korea
| | - Heesung Hwang
- Department of Psychiatry, Bucheon Korea Hospital, Bucheon, South Korea
| | - JooYoung Lee
- Department of Psychiatry, University of Maryland Medical Center, Baltimore, MD, USA
| | - Tae-Yong Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea.,Cancer Research Institute, Seoul National University, Seoul, South Korea
| | - Seock-Ah Im
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea.,Cancer Research Institute, Seoul National University, Seoul, South Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Kyung-Hun Lee
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea.,Cancer Research Institute, Seoul National University, Seoul, South Korea
| | - David Spiegel
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Bong-Jin Hahm
- Department of Psychiatry and Behavioral Sciences, Seoul National University College of Medicine, Seoul, South Korea. .,Department of Psychiatry, Seoul National University Hospital, Seoul, South Korea.
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Sievert LL, Huicochea-Gómez L, Cahuich-Campos D, Brown DE. Hot Flashes Associated with Menopause in the State of Campeche, Mexico: Biometric Measurement and Self-Reported Experience. CURRENT ANTHROPOLOGY 2019. [DOI: 10.1086/703144] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Santos JC, Bever SR, Pereira-da-Silva G, Pyter LM. Tumor resection ameliorates tumor-induced suppression of neuroinflammatory and behavioral responses to an immune challenge in a cancer survivor model. Sci Rep 2019; 9:752. [PMID: 30679700 PMCID: PMC6345941 DOI: 10.1038/s41598-018-37334-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 11/30/2018] [Indexed: 12/22/2022] Open
Abstract
Breast cancer survivors display altered inflammatory responses to immune challenges relative to cancer-naive controls likely due to previous cancer treatments, stress associated with cancer, and/or tumor physiology. Proper inflammatory responses are necessary for adaptive sickness behaviors (e.g., fatigue, anorexia, and fever) and neuroinflammatory pathways are also implicated in mental health disturbances (e.g., cognitive impairment, depression) suffered by cancer patients and survivors. Rodent cancer models indicate that tumors are sufficient to exacerbate neuroinflammatory responses after an immune challenge, however primary tumors are not usually present in cancer survivors, and the behavioral consequences of these brain changes remain understudied. Therefore, we tested the extent to which mammary tumor resection attenuates tumor-induced neuroinflammation and sickness behavior following an immune challenge (i.p. lipopolysaccharide [LPS] injection) in mice. Tnf-α, Il-1β, and Il-6 mRNA decreased in multiple brain regions of LPS-treated tumor-bearing mice relative to LPS-treated controls; tumor resection attenuated these effects in some cases (but not Tnf-α). Tumors also attenuated sickness behaviors (hypothermia and lethargy) compared to LPS-treated controls. Tumor resection reversed these behavioral consequences, although basal body temperature remained elevated, comparable to tumor-bearing mice. Thus, tumors significantly modulate neuroinflammatory pathways with functional consequences and tumor resection mitigates most, but not all, of these changes.
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Affiliation(s)
- Jessica C Santos
- Institute for Behavioral Medicine Research, Ohio State University Wexner Medical Center, Columbus, OH, USA.,Postgraduate Program in Basic and Applied Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Savannah R Bever
- Institute for Behavioral Medicine Research, Ohio State University Wexner Medical Center, Columbus, OH, USA.,Department of Psychiatry and Behavioral Health, Ohio State University, Columbus, OH, USA
| | - Gabriela Pereira-da-Silva
- Postgraduate Program in Basic and Applied Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, Brazil.,Department of Maternal-Infant Nursing and Public Health, Ribeirão Preto College of Nursing, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Leah M Pyter
- Institute for Behavioral Medicine Research, Ohio State University Wexner Medical Center, Columbus, OH, USA. .,Department of Psychiatry and Behavioral Health, Ohio State University, Columbus, OH, USA. .,Department of Neuroscience, Ohio State University, Columbus, OH, USA. .,Arthur G. James Comprehensive Cancer Center and Solove Research institute, Ohio State University, Columbus, OH, USA.
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Comparative effectiveness of electro-acupuncture versus gabapentin for sleep disturbances in breast cancer survivors with hot flashes: a randomized trial. Menopause 2018; 24:517-523. [PMID: 27875389 DOI: 10.1097/gme.0000000000000779] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Sleep disturbance is a major consequence of hot flashes among breast cancer survivors. This study evaluated the effects of electro-acupuncture (EA) versus gabapentin (GP) for sleep disturbances among breast cancer survivors experiencing daily hot flashes. METHODS We analyzed data from a randomized controlled trial involving 58 breast cancer survivors experiencing bothersome hot flashes at least two times per day. Participants were randomly assigned to receive 8 weeks of EA or daily GP (total dose of 900 mg/d). The primary outcome was change in the total Pittsburgh Sleep Quality Index (PSQI) score between groups at week 8. Secondary outcomes include specific PSQI domains. RESULTS By the end of treatment at week 8, the mean reduction in PSQI total score was significantly greater in the EA group than the GP group (-2.6 vs -0.8, P = 0.044). The EA also had improved sleep latency (-0.5 vs 0.1, P = 0.041) and sleep efficiency (-0.6 vs 0.0, P = 0.05) compared with the GP group. By week 8, the EA group had improved sleep duration, less sleep disturbance, shorter sleep latency, decreased daytime dysfunction, improved sleep efficiency, and better sleep quality (P < 0.05 for all) compared with baseline, whereas the GP group improved in duration and sleep quality only (P < 0.05). CONCLUSIONS Among women experiencing hot flashes, the effects of EA are comparable with GP for improving sleep quality, specifically in the areas of sleep latency and efficiency. Larger randomized controlled trials with longer follow-ups are needed to confirm this preliminary finding.
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8
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Sievert LL, Begum K, Sharmeen T, Murphy L, Whitcomb BW, Chowdhury O, Muttukrishna S, Bentley GR. Hot flash report and measurement among Bangladeshi migrants, their London neighbors, and their community of origin. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2016; 161:620-633. [DOI: 10.1002/ajpa.23062] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 07/26/2016] [Indexed: 12/16/2022]
Affiliation(s)
- L. L. Sievert
- Department of AnthropologyUniversity of MassachusettsAmherst Massachusetts
| | - K. Begum
- Department of AnthropologyUniversity College LondonLondon United Kingdom
| | - T. Sharmeen
- Department of AnthropologyUniversity College LondonLondon United Kingdom
| | - L. Murphy
- Department of AnthropologyUniversity of MassachusettsAmherst Massachusetts
| | - B. W. Whitcomb
- School of Public HealthUniversity of MassachusettsAmherst Massachusetts
| | | | - S. Muttukrishna
- Department of Obstetrics and GynecologyUniversity College CorkCork Ireland
| | - G. R. Bentley
- Department of AnthropologyDurham UniversityDurham United Kingdom
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9
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Engstrom CA, Kasper CE. Physiology and Endocrinology of Hot Flashes in Prostate Cancer. Am J Mens Health 2016; 1:8-17. [DOI: 10.1177/1557988306294162] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The purpose of this article is to integrate the physiology of the male reproductive system and the role of hormones in the pathophysiology and treatment of prostate cancer. The primary focus is to review hormonal changes associated with androgen ablation treatment and to integrate the available hormonal data into a hypothesis. This review used a systematic search of Medline references from 1990 to 2006. All sources were critically evaluated to arrive at an understanding of androgen deprivation symptoms, such as hot flushes/flashes, and to identify research needed in this area. Research is needed to explore the physiological mechanisms of hot flashes to develop better therapeutic treatment options to ameliorate side effects of hormonal treatment. Studies are needed to investigate all aspects of hot flashes in populations other than those with breast cancer, such as men with prostate cancer, carcinoid tumors, medullary thyroid tumors, pancreatic islet-cell tumors, renal cell carcinoma, and phenochromocytoma.
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Affiliation(s)
- Christine A. Engstrom
- Uniformed Services University of the Health Sciences, Graduate School of Nursing, Bethesda, Maryland, VA Maryland Health Care System, Baltimore, Maryland,
| | - Christine E. Kasper
- Uniformed Services University of the Health Sciences, Graduate School of Nursing, Bethesda, Maryland, VA Office of Nursing Services, VA Headquarters, Washington, D.C
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Daanen HAM, Peerbooms M, van den Hurk CJG, van Os B, Levels K, Teunissen LPJ, Breed WPM. Core temperature affects scalp skin temperature during scalp cooling. Int J Dermatol 2015; 54:916-21. [DOI: 10.1111/ijd.12568] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 10/25/2013] [Accepted: 11/09/2013] [Indexed: 11/29/2022]
Affiliation(s)
- Hein A. M. Daanen
- Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek (TNO [Dutch Organization for Applied Scientific Research]); Soesterberg The Netherlands
- MOVE Research Institute; Faculty of Human Movement Sciences; VU University Amsterdam; The Netherlands
| | - Mijke Peerbooms
- Department of Research; Integraal Kankercentrum Zuid (Comprehensive Cancer Center South); Eindhoven The Netherlands
| | - Corina J. G. van den Hurk
- Department of Research; Integraal Kankercentrum Zuid (Comprehensive Cancer Center South); Eindhoven The Netherlands
| | - Bernadet van Os
- MOVE Research Institute; Faculty of Human Movement Sciences; VU University Amsterdam; The Netherlands
| | - Koen Levels
- Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek (TNO [Dutch Organization for Applied Scientific Research]); Soesterberg The Netherlands
- MOVE Research Institute; Faculty of Human Movement Sciences; VU University Amsterdam; The Netherlands
| | - Lennart P. J. Teunissen
- Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek (TNO [Dutch Organization for Applied Scientific Research]); Soesterberg The Netherlands
- MOVE Research Institute; Faculty of Human Movement Sciences; VU University Amsterdam; The Netherlands
| | - Wim P. M. Breed
- Department of Research; Integraal Kankercentrum Zuid (Comprehensive Cancer Center South); Eindhoven The Netherlands
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Abstract
OBJECTIVE Hot flashes are commonly associated with menopause, and some researchers have questioned whether the widespread phenomenon may somehow be adaptive. It has been hypothesized that hot flashes were selected to occur during the hypoestrogenic postpartum period as a mechanism to warm infants. The purpose of this study was to test whether postpartum hot flashes are similar to hot flashes associated with menopause and whether postpartum hot flashes are concordant with breast-feeding episodes. METHODS Women who gave birth within the past year (n = 20) and a comparison group of women who had not given birth in the past 2 years (n = 14) participated in interviews and anthropometric measures. All wore ambulatory skin conductance monitors for a mean of 6.5 hours during afternoons and early evenings. New mothers also recorded breast-feeding episodes. Objectively measured and subjectively reported hot flashes were compared between groups and in relation to breast-feeding and other variables. RESULTS Age of infants ranged from 4 days to 11 months. New mothers were more likely to report feeling warmer than the comparison group (100% vs 7%) but were not significantly more likely to demonstrate hot flashes (35% vs 50%) or to report hot flashes (30% vs 21%) during the study period. Of 75 breast-feeding episodes, only 4% were concurrent with an objective hot flash, and only 9% were concurrent with a subjective hot flash. CONCLUSIONS This study does not support the hypothesis that menopausal-like hot flashes evolved to warm infants during the postpartum period.
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Smolensky MH, Portaluppi F, Manfredini R, Hermida RC, Tiseo R, Sackett-Lundeen LL, Haus EL. Diurnal and twenty-four hour patterning of human diseases: cardiac, vascular, and respiratory diseases, conditions, and syndromes. Sleep Med Rev 2014; 21:3-11. [PMID: 25129838 DOI: 10.1016/j.smrv.2014.07.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Accepted: 07/04/2014] [Indexed: 11/25/2022]
Abstract
Various medical conditions, disorders, and syndromes exhibit predictable-in-time diurnal and 24 h patterning in the signs, symptoms, and grave nonfatal and fatal events, e.g., respiratory ones of viral and allergic rhinorrhea, reversible (asthma) and non-reversible (bronchitis and emphysema) chronic obstructive pulmonary disease, cystic fibrosis, high altitude pulmonary edema, and decompression sickness; cardiac ones of atrial premature beats and tachycardia, paroxysmal atrial fibrillation, 3rd degree atrial-ventricular block, paroxysmal supraventricular tachycardia, ventricular premature beats, ventricular tachyarrhythmia, symptomatic and non-symptomatic angina pectoris, Prinzmetal vasospastic variant angina, acute (non-fatal and fatal) incidents of myocardial infarction, sudden cardiac arrest, in-bed sudden death syndrome of type-1 diabetes, acute cardiogenic pulmonary edema, and heart failure; vascular and circulatory system ones of hypertension, acute orthostatic postprandial, micturition, and defecation hypotension/syncope, intermittent claudication, venous insufficiency, standing occupation leg edema, arterial and venous branch occlusion of the eye, menopausal hot flash, sickle cell syndrome, abdominal, aortic, and thoracic dissections, pulmonary thromboembolism, and deep venous thrombosis, and cerebrovascular transient ischemic attack and hemorrhagic and ischemic stroke. Knowledge of these temporal patterns not only helps guide patient care but research of their underlying endogenous mechanisms, i.e., circadian and others, and external triggers plus informs the development and application of effective chronopreventive and chronotherapeutic strategies.
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Affiliation(s)
- Michael H Smolensky
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, 1 University Station C0800, Austin, TX 78712-0238, USA.
| | - Francesco Portaluppi
- Hospital S. Anna and Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Roberto Manfredini
- Hospital S. Anna and Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Ramon C Hermida
- Bioengineering & Chronobiology Laboratories, University of Vigo, Campus Universitario, Vigo, Spain
| | - Ruana Tiseo
- Hospital S. Anna and Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Linda L Sackett-Lundeen
- Department of Laboratory Medicine & Pathology, University of Minnesota, HealthPartners Institute for Education and Research and the Department of Pathology, Regions Hospital, St. Paul, MN, USA
| | - Erhard L Haus
- Department of Laboratory Medicine & Pathology, University of Minnesota, HealthPartners Institute for Education and Research and the Department of Pathology, Regions Hospital, St. Paul, MN, USA
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Exploring the Needs and Concerns of Women with Early Breast Cancer during Chemotherapy: Valued Outcomes during a Course of Traditional Acupuncture. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:165891. [PMID: 24078819 PMCID: PMC3775439 DOI: 10.1155/2013/165891] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 07/30/2013] [Accepted: 08/01/2013] [Indexed: 11/29/2022]
Abstract
Women diagnosed with breast cancer experience symptom clusters in addition to existential issues from a life-threatening diagnosis during chemotherapy. A complementary therapy, such as traditional acupuncture (TA) with its whole-person orientation, may help to modify these effects, alongside inducing other patient benefits. Exploring the needs and concerns of women and perceived benefits of TA would add to knowledge about its integrative treatment potential. Methods. A longitudinal qualitative study recruited fourteen women to receive up to ten sessions of TA during chemotherapy. They were interviewed before, during, and after chemotherapy. Two practitioners of TA delivered treatment and were interviewed before and after the study, and kept treatment logs and diaries. Interviews were recorded and transcribed, and the data were analysed using grounded theory. Findings. Both broad and specific benefits were reported by the women; a highly valued outcome was enabling coping through the alleviation of symptoms and increased well-being. Practitioners dealt with the presented symptom clusters facilitating outcome patterns, including and beyond individual symptom changes. Further research on TA as a flexible intervention able to respond to the changing needs and concerns of woman during chemotherapy along with the measure of such outcome patterns is warranted.
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Sievert LL. Subjective and objective measures of hot flashes. Am J Hum Biol 2013; 25:573-80. [DOI: 10.1002/ajhb.22415] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 04/30/2013] [Accepted: 05/07/2013] [Indexed: 12/11/2022] Open
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Fisher WI, Johnson AK, Elkins GR, Otte JL, Burns DS, Yu M, Carpenter JS. Risk factors, pathophysiology, and treatment of hot flashes in cancer. CA Cancer J Clin 2013; 63:167-92. [PMID: 23355109 PMCID: PMC3640615 DOI: 10.3322/caac.21171] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Hot flashes are prevalent and severe symptoms that can interfere with mood, sleep, and quality of life for women and men with cancer. The purpose of this article is to review existing literature on the risk factors, pathophysiology, and treatment of hot flashes in individuals with cancer. Electronic searches were conducted to identify relevant English-language literature published through June 15, 2012. Results indicated that risk factors for hot flashes in cancer include patient-related factors (eg, age, race/ethnicity, educational level, smoking history, cardiovascular risk including body mass index, and genetics) and disease-related factors (eg, cancer diagnosis and dose/type of treatment). In addition, although the pathophysiology of hot flashes has remained elusive, these symptoms are likely attributable to disruptions in thermoregulation and neurochemicals. Therapies that have been offered or tested fall into 4 broad categories: pharmacological, nutraceutical, surgical, and complementary/behavioral strategies. The evidence base for this broad range of therapies varies, with some treatments not yet having been fully tested or showing equivocal results. The evidence base surrounding all therapies is evaluated to enhance hot flash treatment decision-making by clinicians and patients.
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Affiliation(s)
- William I Fisher
- Department of Psychology and Neuroscience, Baylor University, Waco, TX, USA
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Van Onselen C, Paul SM, Lee K, Dunn L, Aouizerat BE, West C, Dodd M, Cooper B, Miaskowski C. Trajectories of sleep disturbance and daytime sleepiness in women before and after surgery for breast cancer. J Pain Symptom Manage 2013; 45:244-60. [PMID: 22921179 PMCID: PMC3561473 DOI: 10.1016/j.jpainsymman.2012.02.020] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Revised: 02/20/2012] [Accepted: 02/20/2012] [Indexed: 11/28/2022]
Abstract
CONTEXT Sleep disturbance is a problem for oncology patients. OBJECTIVES To evaluate how sleep disturbance and daytime sleepiness (DS) changed from before to six months following surgery and whether certain characteristics predicted initial levels and/or the trajectories of these parameters. METHODS Patients (n=396) were enrolled prior to surgery and completed monthly assessments for six months following surgery. The General Sleep Disturbance Scale was used to assess sleep disturbance and DS. Using hierarchical linear modeling, demographic, clinical, symptom, and psychosocial adjustment characteristics were evaluated as predictors of initial levels and trajectories of sleep disturbance and DS. RESULTS All seven General Sleep Disturbance Scale scores were above the cutoff for clinically meaningful levels of sleep disturbance. Lower performance status; higher comorbidity, attentional fatigue, and physical fatigue; and more severe hot flashes predicted higher preoperative levels of sleep disturbance. Higher levels of education predicted higher sleep disturbance scores over time. Higher levels of depressive symptoms predicted higher preoperative levels of sleep disturbance, which declined over time. Lower performance status; higher body mass index; higher fear of future diagnostic tests; not having had sentinel lymph node biopsy; having had an axillary lymph node dissection; and higher depression, physical fatigue, and attentional fatigue predicted higher DS prior to surgery. Higher levels of education, not working for pay, and not having undergone neo-adjuvant chemotherapy predicted higher DS scores over time. CONCLUSION Sleep disturbance is a persistent problem for patients with breast cancer. The effects of interventions that can address modifiable risk factors need to be evaluated.
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Affiliation(s)
- Christina Van Onselen
- School of Nursing, University of California, San Francisco, California 94143-0610, USA
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Abstract
OBJECTIVES To examine ambulatory blood pressure (BP) differences between women who report hot flashes (HFs) and those who do not, and to observe whether an objectively measured HF is associated with transient changes in BP. HFs have been associated with elevated BP, but studies have not examined the relationship between objectively measured HFs and blood pressure during normal daily activities. METHODS A sample of 202 women in Hilo, Hawaii, aged 45 to 55 years, were asked to fill out a questionnaire that included demographic information and an inventory of symptoms. The women underwent simultaneous 24-hour monitoring of ambulatory BP and HFs, at the same time keeping a diary that included mood and HF reports. RESULTS No significant difference was present in mean BP between women who reported having an HF during the last 2 weeks and those who did not. When measurements controlled for negative mood reports and posture, there was a highly significant elevation in Z scores of systolic BP when a measured, objective HF occurred within 10 minutes before a BP reading, and a significant elevation of Z scores of diastolic BP when a subjectively reported HF occurred within 10 minutes after a BP reading. CONCLUSIONS These results suggest that objectively measured HFs precede transient elevations of systolic BP, but it is unclear if there is a causal relationship. These results also suggest that women experience subjective HFs within 10 minutes after a transient increase in diastolic BP. Again, the causal relationship is not understood.
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Kokolus KM, Hong CC, Repasky EA. Feeling too hot or cold after breast cancer: is it just a nuisance or a potentially important prognostic factor? Int J Hyperthermia 2010; 26:662-80. [PMID: 20849261 DOI: 10.3109/02656736.2010.507235] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
There is widespread recognition among both patients and caregivers that breast cancer patients often experience debilitating deficiencies in their ability to achieve thermal comfort, feeling excessively hot or cold under circumstances when others are comfortable. However, this symptom receives little clinical or scientific attention beyond identification and testing of drugs that minimise menopausal-like symptoms. Could some of these symptoms represent an important prognostic signal? Could thermal discomfort be among other cytokine-driven sickness behaviour symptoms seen in many breast cancer patients? While the literature reveals a strong link between treatment for breast cancer and some menopausal vasomotor symptoms (e.g. hot flashes also known as "hot flushes"), there is little data on quantitative assessment of severity of different types of symptoms and their possible prognostic potential. However, recent, intriguing studies indicating a correlation between the presence of hot flashes and reduced development of breast cancer recurrence strongly suggests that more study on this topic is needed. In comparison to reports on the phenomenon of breast cancer-associated hot flashes, there is essentially no scientific study on the large number of women who report feeling excessively cold after breast cancer treatment. Since similar acquired thermal discomfort symptoms can occur in patients with cancers other than breast cancer, there may be as yet unidentified cancer- or treatment-driven factor related to temperature dysregulation. In general, there is surprisingly little information on the physiological relationship between body temperature regulation, vasomotor symptoms, and cancer growth and progression. The goal of this article is twofold: (1) to review the scientific literature regarding acquired deficits in thermoregulation among breast cancer survivors and (2) to propose some speculative ideas regarding the possible basis for thermal discomfort among some of these women. Specifically, we suggest a potential association with excessive pro-inflammatory cytokine activity, similar to other cytokine-driven symptoms experienced after breast cancer, including fatigue and depression. We highlight the similarity of some breast cancer-associated thermal discomfort symptoms to those which occur during fever, suggesting the possibility that there may be common underlying changes in pro-inflammatory cytokine activity in both conditions. We anticipate that this contribution will stimulate additional scientific interest among researchers in identifying potential mechanisms and prognostic significance of this under-studied aspect of breast cancer biology and survivorship.
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Affiliation(s)
- Kathleen M Kokolus
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, New York 14263, USA
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Augmentation of venlafaxine and selective serotonin reuptake inhibitors with zolpidem improves sleep and quality of life in breast cancer patients with hot flashes. Menopause 2010; 17:908-16. [PMID: 20581724 DOI: 10.1097/gme.0b013e3181dbee1b] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sievert LL, Reza A, Mills P, Morrison L, Rahberg N, Goodloe A, Sutherland M, Brown DE. Diurnal rhythm and concordance between objective and subjective hot flashes: the Hilo Women's Health Study. Menopause 2010; 17:471-9. [PMID: 20220538 PMCID: PMC2866775 DOI: 10.1097/gme.0b013e3181cbb3c6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The aims of this study were to test for a diurnal pattern in hot flashes in a multiethnic population living in a hot, humid environment and to examine the rates of concordance between objective and subjective measures of hot flashes using ambulatory and laboratory measures. METHODS Study participants aged 45 to 55 years were recruited from the general population of Hilo, HI. Women wore a Biolog hot flash monitor (UFI, Morro Bay, CA), kept a diary for 24 hours, and also participated in 3-hour laboratory measures (n = 199). Diurnal patterns were assessed using polynomial regression. For each woman, objectively recorded hot flashes that matched subjective experience were treated as true-positive readings. Subjective hot flashes were considered the standard for computing false-positive and false-negative readings. True-positive, false-positive, and false-negative readings were compared across ethnic groups by chi analyses. RESULTS Frequencies of sternal, nuchal, and subjective hot flashes peaked at 1500 +/- 1 hours with no difference by ethnicity. Laboratory results supported the pattern seen in ambulatory monitoring. Sternal and nuchal monitoring showed the same frequency of true-positive measures, but nonsternal electrodes picked up more false-positive readings. Laboratory monitoring showed very low frequencies of false negatives. There were no ethnic differences in the frequency of true-positive or false-positive measures. Women of European descent were more likely to report hot flashes that were not objectively demonstrated (false-negative measures). CONCLUSIONS The diurnal pattern and peak in hot flash occurrence in the hot humid environment of Hilo were similar to results from more temperate environments. Lack of variation in sternal versus nonsternal measures and in true-positive measures across ethnicities suggests no appreciable effect of population variation in sweating patterns.
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Affiliation(s)
- Lynnette L Sievert
- Department of Anthropology, University of Massachusetts Amherst, Amherst, MA 01003-9278, USA.
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Comparison of subjective and objective hot flash measures over time among breast cancer survivors initiating aromatase inhibitor therapy. Menopause 2009; 16:653-9. [PMID: 19455068 DOI: 10.1097/gme.0b013e3181a5d0d6] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Hot flashes are valuable indicators of physiological condition and drug effect; however, subjective and objective measures do not always agree. No study has examined both subjective and objective hot flashes in women prescribed aromatase inhibitors. The study (1) compared subjective and objective hot flash measures, (2) examined changes in subjective and objective hot flashes over time, and (3) evaluated predictors of change in hot flashes in aromatase inhibitor-treated women. METHODS Participants (n = 135) were enrolled in a randomized clinical trial comparing exemestane and letrozole for the treatment of breast cancer. Hot flashes were assessed before the start of the drug therapy and 1, 3, and 6 months later. Participants wore a sternal skin conductance monitor for 24 hours or longer at each time point. With each perceived hot flash, women pressed an event button and rated intensity and bother in a paper diary. RESULTS Participants had a mean age of 60 years and were mainly white (92%). Across time points, monitor hot flashes were (1) significantly more frequent than diary and/or event button flashes (P < 0.05) and (2) moderately correlated with subjective measures (0.35 < r < 0.56). Monitor hot flashes did not significantly change over time with aromatase inhibitor therapy, whereas both diary and event button frequencies significantly varied but in dissimilar patterns (51% nonlinear). No consistent predictors of hot flashes across measures or time points were identified. CONCLUSIONS Findings indicated dissimilarities between subjective and objective measures of hot flashes. Despite statistical significance, there was little clinically meaningful change in hot flashes after initiating aromatase inhibitor therapy.
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Evaluating the role of serotonin in hot flashes after breast cancer using acute tryptophan depletion. Menopause 2009; 16:644-52. [PMID: 19265726 DOI: 10.1097/gme.0b013e318199e9f6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Among women with breast cancer, hot flashes are frequent, severe, and bothersome symptoms that can negatively impact quality of life and compromise compliance with life-saving medications (eg, tamoxifen and aromatase inhibitors). Clinicians' abilities to treat hot flashes are limited due to inadequate understanding of physiological mechanisms involved in hot flashes. Using an acute tryptophan depletion paradigm, we tested whether alterations in central serotonin levels were involved in the induction of hot flashes in women with breast cancer. METHODS This was a within-participant, double-blind, controlled, balanced, crossover study. Twenty-seven women completed two 9-hour test days. On one test day, women ingested a concentrated amino acid drink and encapsulated amino acids (no tryptophan) according to published procedures that have been shown to have specific effects on serotonin within 4.5 to 7 hours. On the other test day, women ingested a control drink. Serial venous blood sampling and objective hot flash monitoring were used to evaluate response to each condition. RESULTS Response to acute tryptophan depletion was variable and unexplained by use of selective serotonin reuptake inhibitors, antiestrogens, breast cancer disease and treatment variables, or genetic polymorphisms in serotonin receptor and transporter genes. Contrary to our hypothesis, hot flashes were not worsened with acute tryptophan depletion. CONCLUSIONS Physiologically documented and self-reported hot flashes were not exacerbated by tryptophan depletion. Additional mechanistic research is needed to better understand the etiology of hot flashes.
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Abstract
The study aimed to improve understanding of the natural history and impact of hot flushes after breast cancer. Data were collected from women participating in an RCT of relaxation to reduce the incidence of flushes from breast cancer follow-up clinics from two hospitals in South-East England. Repondents were 150 women experiencing hot flushes following completion of primary treatment for breast cancer. This study utilized a flush diary, the Hot Flushes and Night Sweats Questionnaire (HFNSQ), Functional Assessment of Cancer Therapy with Endocrine Subscale (FACT-ES) and Spielberger State/Trait Anxiety Index (STAI) as the main outcome measures. The study found that in this sample, 51 (34%) women experienced flushes more than five years after diagnosis and 75 (50%) more than 5 years after menopause. Sleep disruption occurred in 90 women (72% of those that returned diaries), affecting half of the nights they recorded. The mean problem rating on the HFNSQ was 4.85 out of 10. A peak incidence of flushes was apparent around 10 a.m. in women taking tamoxifen. It was concluded that hot flushes after breast cancer may be long-lasting and cause sleeping difficulties for many women. Tamoxifen may affect the diurnal pattern of flushes. After breast cancer, the duration of flushes, potential distress and disruption to women's lives should not be underestimated and appropriate interventions should be offered.
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Affiliation(s)
- D R Fenlon
- School of Nursing & Midwifery, University of Southampton, Highfield, Southampton, Hampshire, UK.
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Abstract
PRIMARY OBJECTIVE The purpose of this study was to identify determinants of hot flashes and night sweats, two vasomotor symptoms associated with the hormonal changes of the menopause transition. METHODS Participants were 293 women, aged 45 to 55, randomly selected from automated demographic and membership records of a health maintenance organization in the northeast USA. Letters were mailed to eligible women, followed by face-to-face interviews. RESULTS Hot flashes during the month before interview were reported by 57% of the participants, although only 9% of the entire sample reported hot flashes to be "bothersome". Night sweats were reported by 36% of all participants, with 6% reporting night sweats to be "bothersome". Fifty-four percent of women reporting hot flashes also reported night sweats. In logistic regression analyses that controlled for menopause status and use of hormone therapy (HT), daily alcohol consumption significantly increased the risk of hot flashes, night sweats, and bothersome night sweats. Higher education and an excellent self-rating of health decreased the risk of night sweats, but not hot flashes. Smoking increased the risk of bothersome hot flashes, but not bothersome night sweats. CONCLUSIONS In logistic regression analyses, alcohol consumption was a significant predictor of vasomotor symptoms. A slightly different set of variables were associated with hot flashes compared to night sweats.
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Abstract
OBJECTIVE To evaluate relationships among different measures of hot flashes, perceived hot flash interference, and associated outcomes (positive affect, negative affect) while controlling potential covariates. DESIGN Breast cancer survivors (N=236) provided demographic data, objective hot flash frequency data via sternal skin conductance monitoring, prospective diary-based hot flash frequency and severity data, and questionnaire data via the Hot Flash Related Daily Interference Scale and the Positive and Negative Affect Scale. RESULTS Objective hot flash frequency and subjective hot flash severity emerged as separate factors in the structural equation model. Subjective hot flash frequency was associated with a high degree of unexplained variance (error) and seemed to be a potentially less accurate measure of either frequency or severity. Objective frequency was directly related to greater positive affect. In contrast, greater hot flash severity was (1) directly related to greater perceived hot flash interference and (2) indirectly related to more negative affect and lower positive affect through interference. CONCLUSIONS Findings provide a theoretical basis for selecting among symptom measures and anticipating how interventions aimed at different hot flash measures might affect perceived hot flash interference or associated outcomes. Because objective hot flash frequency and subjective hot flash severity seemed to measure different dimensions, measuring both may provide a more comprehensive picture of women's symptom experiences.
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Soares CN, Arsenio H, Joffe H, Bankier B, Cassano P, Petrillo LF, Cohen LS. Escitalopram versus ethinyl estradiol and norethindrone acetate for symptomatic peri- and postmenopausal women: impact on depression, vasomotor symptoms, sleep, and quality of life. Menopause 2007; 13:780-6. [PMID: 16894334 DOI: 10.1097/01.gme.0000240633.46300.fa] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To examine the efficacy and tolerability of escitalopram (ESCIT) compared to estrogen and progestogen therapy (EPT) for the treatment of symptomatic peri- and postmenopausal women. DESIGN Forty women (aged 40-60 years) with depressive disorders and menopause-related symptoms were randomly assigned to an 8-week open trial with ESCIT (flexible dose, 10-20 mg/day; fixed dose, 10 mg/day for the first 4 weeks) or estrogen plus progestogen therapy (ethinyl estradiol 5 microg/day plus norethindrone acetate 1 mg/day). Primary outcome measures included Montgomery-Asberg Depression Rating Scale and the Greene Climacteric Scale at week 8. Secondary outcome measures included the Clinical Global Impressions as well as sleep and quality of life assessments. RESULTS Thirty-two women (16 on EPT, 16 on ESCIT) were included in the analyses. Full remission of depression (score of <10 on the Montgomery-Asberg Depression Rating Scale) was observed in 75% (12/16) of subjects treated with ESCIT, compared to 25% (4/16) treated with EPT (P = 0.01, Fisher's exact tests). Remission of menopause-related symptoms (>50% decrease in Greene Climacteric Scale scores) was noted in 56% (9/16) of women treated with ESCIT compared to 31.2% (5/16) on EPT (P = 0.03, Pearson's chi2 tests). Improvement in sleep, hot flashes, and quality of life was observed with both treatments. CONCLUSIONS ESCIT is more efficacious than EPT for the treatment of depression and has a positive impact on other menopause-related symptoms. ESCIT may constitute a treatment option for symptomatic menopausal women who are unable or unwilling to use hormone therapy.
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Affiliation(s)
- Claudio N Soares
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.
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Carpenter JS, Storniolo AM, Johns S, Monahan PO, Azzouz F, Elam JL, Johnson CS, Shelton RC. Randomized, double-blind, placebo-controlled crossover trials of venlafaxine for hot flashes after breast cancer. Oncologist 2007; 12:124-35. [PMID: 17227907 DOI: 10.1634/theoncologist.12-1-124] [Citation(s) in RCA: 106] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Although venlafaxine reduces self-reported hot flashes, no data have established the drug's impact on physiologically documented hot flashes. Two randomized, double-blind, placebo-controlled crossover trials examined the efficacy of two doses of venlafaxine in relation to physiological and self-reported hot flashes and other outcomes, including negative affect, fatigue, sleep, and quality of life. METHODS SAMPLE 57 breast cancer survivors in the low-dose study; 20 in the high-dose study. SETTING university cancer clinics in the Southeast and Midwest. INTERVENTION 37.5 mg of venlafaxine (low-dose study) or 75 mg of venlafaxine (high-dose study). MEASURES hot flash frequency (physiological monitor, diary, and event marker), hot flash severity (diary), hot flash bother (diary), and questionnaires for hot flash impact on daily life, negative affect, fatigue, sleep, and quality of life. RESULTS Subjective but not physiological hot flash measures showed placebo effects. Venlafaxine resulted in modest decreases in hot flashes, but only hot flash interference improved differentially at the higher dose. The timing of venlafaxine's effects on hot flashes varied by dose. Only women with a > or =50% decrease in physiological hot flashes experienced significant improvement in fatigue, sleep quality, and quality of life. Although side effects were mild, most patients discontinued venlafaxine long-term. CONCLUSIONS Although venlafaxine resulted in modest and acute reductions in hot flashes with few side effects, it may not be tolerable to some patients long-term. At least 50% relief in physiological hot flashes may be needed for patients to demonstrate improvement in other outcomes, including decreased fatigue, improved sleep, and improved quality of life.
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Affiliation(s)
- Janet S Carpenter
- Indiana University, 1111 Middle Drive NU340D, Indianapolis, Indiana 46202, USA.
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Thurston RC, Blumenthal JA, Babyak MA, Sherwood A. Association between hot flashes, sleep complaints, and psychological functioning among healthy menopausal women. Int J Behav Med 2006; 13:163-72. [PMID: 16712434 DOI: 10.1207/s15327558ijbm1302_8] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Self-report data suggest that sleep hot flashes among menopausal women are associated with sleep problems and in turn impaired psychological functioning. However, few studies have examined these relations with physiologic hot flash measures. A total of 41 perimenopausal and postmenopausal women with daily hot flashes underwent nighttime sternal skin conductance monitoring to quantify hot flashes. Participants completed sleep diaries; the Sleep-Wake Experience List (van Diest, 1990); and depression, anxiety, and daily stress measures. Participants experienced a median of 2 physiologically monitored and 1 reported sleep hot flash nightly. Although sleep complaints were significantly and positively associated with psychological functioning, neither sleep complaints nor psychological functioning was significantly related to frequency of physiologically monitored sleep hot flashes. Conversely, results indicate an association between reported sleep hot flashes and acute sleep problems. The frequency of physiologically monitored sleep hot flashes, as opposed to reported sleep hot flashes, may be independent of problems with sleep and mood among menopausal women.
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Affiliation(s)
- Rebecca C Thurston
- Duke University Medical Center, Department of Psychiatry and Behavioral Sciences, Durham, North Carolina, USA.
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Carpenter JS. State of the science: hot flashes and cancer. Part 1: definition, scope, impact, physiology, and measurement. Oncol Nurs Forum 2005; 32:959-68. [PMID: 16136194 DOI: 10.1188/05.onf.959-968] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To critically evaluate and synthesize multidisciplinary research related to hot flashes in the context of cancer. Topics include the definition, scope, and impact of hot flashes; physiologic mechanisms; and measurement issues. DATA SOURCES Published, peer-reviewed articles and textbooks; editorials; unpublished data; and computerized databases. DATA SYNTHESIS Hot flashes can affect a diverse group of men and women diagnosed with or at high risk for certain cancers with a resulting negative impact on quality of life. Although the exact physiologic mechanisms underlying hot flashes remain unclear, a complex interplay of thermoregulatory, gluconeuroendocrine, genetic, and behavioral factors appears to be involved. Measurement of hot flashes should be considered carefully because they can be operationalized objectively and subjectively. CONCLUSIONS The large and diverse evidence base and current national attention on measurement of hot flashes highlight the importance of the symptom to healthcare professionals, including oncology nurses. IMPLICATIONS FOR NURSING Careful attention to assessment and measurement of hot flashes in patients with cancer is needed.
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Carpenter JS, Azzouz F, Monahan PO, Storniolo AM, Ridner SH. Is sternal skin conductance monitoring a valid measure of hot flash intensity or distress? Menopause 2005; 12:512-9. [PMID: 16145304 DOI: 10.1097/01.gme.0000170957.31542.1c] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To examine the validity of using sternal skin conductance monitoring as a measure of hot flash intensity and hot flash distress. DESIGN Descriptive, prospective, longitudinal data from the 2-week baseline of a larger hot flash intervention study; 73 breast cancer survivors with daily hot flashes wore a hot flash monitor and completed a hot flash diary during two 24-hour assessment periods that were separated in time by 1 week. RESULTS Data consisted of 569 diary rated hot flashes; 46.9% had magnitude of less than 2.0 micromhos (insufficient to meet objective hot flash criterion) and 26.3% had magnitude of 0.0 micromho (no change in skin conductance). Results from mixed-linear modeling indicated that, although magnitude significantly predicted hot flash intensity and distress, effect sizes were very small: less than 2% when using all observations, and less than 1% when using only the subset meeting objective hot flash criteria. Even after adjusting for covariates that were associated with intensity or distress, magnitude explained very little variance in intensity or distress (<2.2%). Scatterplots and locally weighted smooth regression curves also revealed very little relationship between magnitude and either intensity or distress. CONCLUSIONS Findings indicate that objective change in sternal skin conductance, an indicator of sweat gland activity, should not be used as a proxy measure of subjective hot flash intensity or distress. Future research should continue to subjectively measure hot flash intensity and distress when these are important outcome variables to consider.
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Affiliation(s)
- Janet S Carpenter
- School of Nursing, Indiana University, Indianapolis, IN 46202-5107, USA.
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Kaplow R. Sleep Deprivation and Psychosocial Impact in Acutely Ill Cancer Patients. Crit Care Nurs Clin North Am 2005; 17:225-37. [PMID: 16115530 DOI: 10.1016/j.ccell.2005.04.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Sleep is an important factor related to health and quality of life for all individuals. For people with cancer, sleep disturbances are common and are a source of distress. This article summarizes the problems and reviews the types, prevalence, etiology, risk factors, clinical sequelae, and management of sleep disturbances experienced by cancer patients. A comprehensive review of the literature is presented, along with direction for nursing practice and research.
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Affiliation(s)
- Roberta Kaplow
- Nell Hodgson Woodruff School of Nursing, Emory University, 1520 Clifton Road NE, Atlanta, GA 30322-4207, USA.
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Abstract
OBJECTIVE Hot flashes are among the most frequently reported menopausal symptoms. However, little is known about factors associated with their occurrence. Moreover, despite the wide use of self-report hot flash measures, little is known about their concordance with physiological flashes. This study evaluated emotional and behavioral antecedents of subjectively and objectively measured hot flashes during daily life. It also examined individual differences predicting concordance between objective and subjective hot flashes. METHODS Forty-two perimenopausal or postmenopausal women (mean age = 50.5 +/- 4.8 years) reporting daily hot flashes completed 2 days of ambulatory sternal skin conductance monitoring, behavioral diaries 3 times an hour, and psychometric questionnaires. Hot flashes meeting objective physiological criteria and subjectively reported flashes not meeting physiological criteria were assessed. Likelihood of hot flashes following emotions and activities were examined in a case-crossover analysis. RESULTS Relative to nonflash control times, objective hot flashes were more likely after increased happiness, relaxation, and feelings of control, and less likely after increased frustration, sadness, and stress. Conversely, subjective hot flashes not meeting physiological criteria were more likely after increased frustration and decreased feelings of control. Questionnaires revealed increased negative mood and negative attitudes were associated with fewer objective flashes and higher false-positive reporting rates. CONCLUSION Increased positive and decreased negative emotions were associated with objective hot flashes, whereas increased negative and decreased positive emotions were associated with subjective flashes not meeting physiological criteria. The anecdotal association between negative emotions and hot flashes may be the result of self-reported flashes lacking physiological corroboration.
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Affiliation(s)
- Rebecca C Thurston
- Duke University Medical Center, Department of Psychiatry and Behavioral Sciences, Durham, North Carolina, USA.
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Carpenter JS, Gilchrist JM, Chen K, Gautam S, Freedman RR. Hot flashes, core body temperature, and metabolic parameters in breast cancer survivors. Menopause 2004; 11:375-81. [PMID: 15243274 DOI: 10.1097/01.gme.0000113848.74835.1a] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To examine core body temperature, energy expenditure, and respiratory quotient among breast cancer survivors experiencing hot flashes and compare these data to published studies from healthy women. DESIGN In an observational study, nine breast cancer survivors with daily hot flashes who met specified criteria spent 24 hours in a temperature- and humidity-controlled whole-room indirect calorimeter (ie, metabolic room). Demographic and disease/treatment information were obtained and the following were measured: hot flashes via sternal skin conductance monitoring (sampled every second); core body temperature via an ingested radiotelemetry pill (sampled every 10 seconds); and energy expenditure and respiratory quotient via a whole-room indirect calorimeter (calculated every minute). RESULTS Circadian analysis of core temperature indicated wide variability with disrupted circadian rhythm noted in all women. Core temperature began to rise 20 minutes pre-flash to 7 minutes pre-flash (0.09 degrees C increase). Increases in energy expenditure and respiratory quotient increased with each hot flash. CONCLUSIONS Findings are comparable to published data from healthy women and warrant replication in larger, more diverse samples of women treated for breast cancer.
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Affiliation(s)
- Janet S Carpenter
- Indiana University School of Nursing, 1111 Middle Drive NU 340D, Indianapolis, IN 46202-5107, USA.
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Clark J, Cunningham M, McMillan S, Vena C, Parker K. Sleep-wake disturbances in people with cancer part II: evaluating the evidence for clinical decision making. Oncol Nurs Forum 2004; 31:747-71. [PMID: 15252430 DOI: 10.1188/04.onf.747-771] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To evaluate the quality of evidence on sleep-wake disturbances in people with cancer as a basis for clinical decision making and to discuss implications of the evidence for oncology clinicians, educators, and researchers. DATA SOURCES Published, peer-reviewed articles. DATA SYNTHESIS Members of the 2001 Oncology Nursing Society (ONS) Advanced Practice Nurse Retreat Evidence-Based Practice Sleep Working Group selected and evaluated data sources using criteria and processes outlined by ONS. CONCLUSIONS The development of nursing science related to sleep-wake disturbances among people with cancer and the application of research findings to clinical decision making are limited by the quantity and quality of published evidence. IMPLICATIONS FOR NURSING Clinicians are challenged to develop a plan of care that includes the assessment of sleep-wake disturbances and interventions to address them. Nurse educators are challenged to include sleep-wake content and skills to evaluate empirical data and interventions for sleep-wake disturbances in degree and continuing education curricula. Nurse researchers are challenged to specify consistent conceptual and operational definitions of key variables in sleep-wake models, use measurement instruments with evidence of reliability and validity, and design clinical trials to test interventions for sleep-wake disturbances among people with cancer.
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Affiliation(s)
- Jane Clark
- Emory University Hospital, Atlanta, GA, USA.
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Vena C, Parker K, Cunningham M, Clark J, McMillan S. Sleep-wake disturbances in people with cancer part I: an overview of sleep, sleep regulation, and effects of disease and treatment. Oncol Nurs Forum 2004; 31:735-46. [PMID: 15252429 DOI: 10.1188/04.onf.735-746] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To provide an overview of normal sleep, describe common sleep disorders, and discuss underlying sleep regulatory processes and how cancer, cancer treatment, and associated patient responses may adversely affect sleep. DATA SOURCES Published peer-reviewed articles and textbooks. DATA SYNTHESIS The duration, structure, and timing of sleep have a profound impact on health, well-being, and performance. Patients with cancer may be at risk for disturbances in sleeping and waking resulting from disease- and nondisease-related circumstances that interfere with normal sleep regulation, including demographic, lifestyle, psychological, and disease- and treatment-related factors. CONCLUSIONS Patients with cancer are at high risk for sleep-wake disturbances. IMPLICATIONS FOR NURSING An understanding of normal sleep, sleep pathology, and the factors that can precipitate sleep disturbance provides a context for nurses to interpret sleep complaints in their patients, evaluate responses to sleep-promoting interventions, and guide decision making regarding referrals.
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Affiliation(s)
- Catherine Vena
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA.
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Savard J, Davidson JR, Ivers H, Quesnel C, Rioux D, Dupéré V, Lasnier M, Simard S, Morin CM. The association between nocturnal hot flashes and sleep in breast cancer survivors. J Pain Symptom Manage 2004; 27:513-22. [PMID: 15165649 DOI: 10.1016/j.jpainsymman.2003.10.013] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/25/2003] [Indexed: 10/26/2022]
Abstract
This study examined the relationship between objectively measured nocturnal hot flashes and objectively measured sleep in breast cancer survivors with insomnia. Twenty-four women who had completed treatment for non-metastatic breast cancer participated. All were enrolled in a study of cognitive-behavioral treatment for chronic insomnia. Nocturnal hot flashes and sleep were measured by skin conductance and polysomnography, respectively. The 10-minute periods around hot flashes were found to have significantly more wake time, and more stage changes to lighter sleep, than other 10-minute periods during the night. Nights with hot flashes had a significantly higher percentage of wake time, a lower percentage of Stage 2 sleep, and a longer REM latency compared to nights without hot flashes. Overall, hot flashes were found to be associated with less efficient, more disrupted sleep. Nocturnal hot flashes, or their underlying mechanisms, should be considered as potential contributors to sleep disruption in women with breast cancer who report poor sleep.
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Affiliation(s)
- Josée Savard
- Laval University Cancer Research Center and School of Psychology, Quebec City, Quebec, Canada
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Biglia N, Cozzarella M, Cacciari F, Ponzone R, Roagna R, Maggiorotto F, Sismondi P. Menopause after breast cancer: a survey on breast cancer survivors. Maturitas 2003; 45:29-38. [PMID: 12753941 DOI: 10.1016/s0378-5122(03)00087-2] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
UNLABELLED Due to the younger age and the ever wider use of adjuvant chemotherapy and antiestrogens, menopausal symptoms are a frequent cause of concern for breast cancer patients. OBJECTIVES To determine the prevalence of menopausal symptoms, and to explore the attitudes toward Hormone Replacement Therapy (HRT) or other treatments and the willingness to take oestrogen in breast cancer patients. METHODS A questionnaire-based survey on 250 breast cancer patients treated and followed-up at our department. Of them 144 (Group A) were in postmenopause and 106 (Group B) were in premenopause at time of diagnosis. RESULTS Adjuvant therapy with tamoxifen or tamoxifen plus chemotherapy is associated with a significant worsening of menopause-related symptoms of women belonging to Group A. These women are more concerned about risk of breast cancer recurrence than about risk of osteoporosis (P=0.05) and heart disease (P=0.006). Seventy-eight percent are against the use of HRT; only 22% would consider taking HRT mainly for vasomotor symptoms relief and osteoporosis prevention. The incidence of vasomotor and dystrophic symptoms is significantly higher in women belonging to Group B treated with chemotherapy and/or hormonotherapy as compared with postmenopausal women (P<0.000 and P=0.02, respectively). Premenopausal women are more concerned about risk of breast cancer recurrence than older women (P=0.09) and at the same time are significantly more worried about the impairment of the quality of life due to adjuvant therapy (P=0.005). Younger women are more prone to consider HRT than postmenopausal women (P=0.05). Sixty-six percent are against HRT use, and 34% would consider taking HRT to alleviate vasomotor and dystrophic symptoms and to prevent osteoporosis. CONCLUSIONS Breast cancer survivors are interested to treatments that may improve their quality of life, but fear of HRT persists among these women and their doctors, despite new evidence suggesting the low probability of detrimental effects.
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Affiliation(s)
- Nicoletta Biglia
- Academic Department of Gynecological Oncology, University of Turin, Mauriziano Umberto I degrees Hospital and Institute for Cancer Research and Treatment of Candiolo, Turin, Italy.
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Sumino H, Ichikawa S, Kumakura H, Takayama Y, Kanda T, Sakamaki T, Kurabayashi M. Effects of hormone replacement therapy on office and ambulatory blood pressure in Japanese hypertensive postmenopausal women. Hypertens Res 2003; 26:369-76. [PMID: 12887127 DOI: 10.1291/hypres.26.369] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
No study has demonstrated that hormone replacement therapy (HRT) affects blood pressure (BP) measured by 24-h ambulatory blood pressure monitoring (ABPM) in Japanese postmenopausal women (PMW) with normotension or mild-to-moderate essential hypertension. In the present study, we examined the effects of HRT on office BP and 24-h ambulatory blood pressure (ABP) in Japanese hypertensive or normotensive PMW. Thirty-one hypertensive (HT-HRT group) and 17 normotensive PMW (NT-HRT group) received HRT (0.625 mg of conjugated equine estrogen combined with 2.5 mg of medroxyprogesterone acetate) orally for 12 months, and 30 hypertensive (HT-Control group) and 19 normotensive PMW (NT-Control group) did not receive HRT. In all of the hypertensive PMW, BP was controlled by a variety of antihypertensive drugs before starting HRT. The hypertensive PMW were divided into two groups according to the results of ABP before HRT: nondippers (those without a diurnal change in BP) and dippers (those with a diurnal change in BP). In all patients, office BP measurements and 24-h ABPM were performed before and 12 months after the start of HRT. HRT did not change either the office or the 24-h ambulatory systolic, diastolic, or mean BP in any of the groups. Therefore, HRT did not significantly alter the proportion of nondippers. We conclude that with respect to BP, HRT might not be harmful in hypertensive PMW whose BP has been well-controlled prior to the initiation of HRT, as well as in normotensive PMW.
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Affiliation(s)
- Hiroyuki Sumino
- Second Department of Internal Medicine, Gunma University School of Medicine, Maebashi, Japan.
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Carpenter JS, Johnson D, Wagner L, Andrykowski M. Hot flashes and related outcomes in breast cancer survivors and matched comparison women. Oncol Nurs Forum 2002; 29:E16-25. [PMID: 11979290 DOI: 10.1188/02.onf.e16-e25] [Citation(s) in RCA: 144] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To compare the hot flash symptom experience and related outcomes between breast cancer survivors and healthy women. DESIGN Descriptive, cross-sectional, comparative study. SETTING Southeastern university medical center. SAMPLE 69 of 207 breast cancer survivors contacted via a tumor registry and 63 age-matched healthy female volunteers. Survivors were a mean of 57 years and a mean of 39 months postdiagnosis. METHODS Mailed survey included a demographic, disease, and treatment information form; a gynecologic history form; a two-day, prospective, hot flash diary; a detailed hot flash questionnaire; mood and affect scales; and the Hot Flash-Related Daily Interference Scale. MAIN RESEARCH VARIABLES Hot flashes, mood, affect, interference with daily activities, and overall quality of life. FINDINGS Breast cancer survivors had hot flashes that were significantly more frequent, severe, distressing, and of greater duration. Breast cancer survivors were less likely to be using hormone replacement and more likely to have tried nonhormonal prescription interventions in the past, but reported significantly less effectiveness from hot flash treatments. Breast cancer survivors with severe hot flashes reported significantly greater mood disturbance; higher negative affect; more interference with daily activities, including sleep, concentration, and sexuality; and poorer overall quality of life in comparison to breast cancer survivors with no hot flashes to mild hot flashes. Hot flash quality and triggers were not significantly different between groups. No clear temporal pattern of hot flashes emerged. CONCLUSIONS Hot flashes are a significant problem for breast cancer survivors, even for those who are naturally postmenopausal (i.e., did not undergo menopause as a result of surgery or the effects of chemotherapy). Hot flashes remained fairly stable over time and did not diminish in frequency, severity, or associated distress. IMPLICATIONS FOR NURSING The findings guide the assessment of the uniqueness of the problem of hot flashes experienced by breast cancer survivors and help define outcomes to address in clinical practice or include in future hot flash intervention research.
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