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https://www.readbyqxmd.com/read/28088874/a-clinical-validation-of-self-reported-periodontitis-among-participants-in-the-black-women-s-health-study
#1
Brenda Heaton, Nicholas B Gordon, Raul I Garcia, Lynn Rosenberg, Sharron Rich, Matthew P Fox, Yvette C Cozier
BACKGROUND: There is a paucity of data on the validity of self-report of periodontal disease in African Americans. The Black Women's Health Study, a US national cohort study of 59,000 Black women followed via mailed questionnaires since 1995, offered the opportunity to clinically validate self-reported periodontitis among a sample of participants. METHODS: Oral health questionnaires were sent to study participants residing in Massachusetts. Respondents living in the Boston metro area were invited for clinical examination...
January 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28088338/relation-between-resting-amygdalar-activity-and-cardiovascular-events-a-longitudinal-and-cohort-study
#2
Ahmed Tawakol, Amorina Ishai, Richard Ap Takx, Amparo L Figueroa, Abdelrahman Ali, Yannick Kaiser, Quynh A Truong, Chloe Je Solomon, Claudia Calcagno, Venkatesh Mani, Cheuk Y Tang, Willem Jm Mulder, James W Murrough, Udo Hoffmann, Matthias Nahrendorf, Lisa M Shin, Zahi A Fayad, Roger K Pitman
BACKGROUND: Emotional stress is associated with increased risk of cardiovascular disease. We imaged the amygdala, a brain region involved in stress, to determine whether its resting metabolic activity predicts risk of subsequent cardiovascular events. METHODS: Individuals aged 30 years or older without known cardiovascular disease or active cancer disorders, who underwent (18)F-fluorodexoyglucose PET/CT at Massachusetts General Hospital (Boston, MA, USA) between Jan 1, 2005, and Dec 31, 2008, were studied longitudinally...
January 12, 2017: Lancet
https://www.readbyqxmd.com/read/28075151/multilevel-correlates-of-healthy-bmi-maintenance-and-return-to-a-healthy-bmi-among-children-in-massachusetts
#3
Lauren Fiechtner, Erika R Cheng, Gabriel Lopez, Mona Sharifi, Elsie M Taveras
OBJECTIVES: To examine predictors of healthy BMI maintenance (HBM) or return to a healthy BMI (RHB) among children. METHODS: We studied 33,272 children in Massachusetts between 2008 and 2012. We used multinomial logistic regression to examine associations of individual- and neighborhood-level factors with the odds of: (1) HBM: maintenance of a healthy BMI ≥5th to <85th percentile and (2) RHB: transition to a healthy BMI range from an initial BMI ≥85th percentile between two clinic visits spanning an average of 3...
January 11, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28074589/on-patient-well-being-and-professional-authority
#4
Mildred Z Solomon
Two papers in this issue address the limits of surrogates' authority when making life-and-death decisions for dying family members or friends. Using palliative sedation as an example, Jeffrey Berger offers a conceptual argument for bounding surrogate authority. Since freedom from pain is an essential interest, when imminently dying, cognitively incapacitated patients are in duress and their symptoms are not manageable in any other way, clinicians should be free to offer palliative sedation without surrogate consent, although assent should be sought and every effort made to work with surrogates as harmoniously as possible...
January 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28074587/after-the-dnr-surrogates-who-persist-in-requesting-cardiopulmonary-resuscitation
#5
Ellen M Robinson, Wendy Cadge, Angelika A Zollfrank, M Cornelia Cremens, Andrew M Courtwright
Some health care organizations allow physicians to withhold cardiopulmonary resuscitation from a patient, despite patient or surrogate requests that it be provided, when they believe it will be more harmful than beneficial. Such cases usually involve patients with terminal diagnoses whose medical teams argue that aggressive treatments are medically inappropriate or likely to be harmful. Although there is state-to-state variability and a considerable judicial gray area about the conditions and mechanisms for refusals to perform CPR, medical teams typically follow a set of clearly defined procedures for these decisions...
January 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28074576/decisions-and-authority
#6
Gregory E Kaebnick
This issue of the Hastings Center Report (January-February 2017) features three articles exploring aspects of decision-making for others. In the first two, the focus is on the limits of surrogate decision-makers' authority when the surrogates' judgments about a patient's treatment conflict with the physicians'. If a physician decides that a patient will not benefit from CPR, for example, but the patient's surrogate insists on it, is the physician obliged to proceed with the procedure? Or can the physician, pointing to a duty to provide good care to the patient and not to cause the patient to suffer, get a do-not-resuscitate order for the patient-even in the face of the surrogate's objections? These are the questions that animate the first article, in which a group of authors report on a policy implemented at Massachusetts General Hospital to help doctors who face this dilemma...
January 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28073753/migraine-and-risk-of-perioperative-ischemic-stroke-and-hospital-readmission-hospital-based-registry-study
#7
Fanny P Timm, Timothy T Houle, Stephanie D Grabitz, Anne-Louise Lihn, Janne B Stokholm, Katharina Eikermann-Haerter, Ala Nozari, Tobias Kurth, Matthias Eikermann
OBJECTIVE:  To evaluate whether patients with migraine are at increased risk of perioperative ischemic stroke and whether this may lead to an increased hospital readmission rate. DESIGN:  Prospective hospital registry study. SETTING:  Massachusetts General Hospital and two satellite campuses between January 2007 and August 2014. PARTICIPANTS:  124 558 surgical patients (mean age 52.6 years; 54.5% women). MAIN OUTCOME MEASURES:  The primary outcome was perioperative ischemic stroke occurring within 30 days after surgery in patients with and without migraine and migraine aura...
January 10, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28070322/carotenoid-profiling-of-the-leaves-of-selected-african-eggplant-accessions-subjected-to-drought-stress
#8
Elias K Mibei, Jane Ambuko, James J Giovannoni, Arnold N Onyango, Willis O Owino
African eggplants (Solanum aethiopicum and S. macrocarpon) are among the most economically important and valuable vegetable and fruit crops. They are a major source of biologically active nutritional substances and metabolites which are essential for plant growth, development, stress adaptation and defense. Among these metabolites are the carotenoids which act as accessory pigments for photosynthesis and precursor to plant hormones. Though African eggplants are known to be resistant to various abiotic stresses, the effect of these stresses on secondary metabolites has not been well defined...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28069849/lower-versus-higher-income-populations-in-the-alternative-quality-contract-improved-quality-and-similar-spending
#9
Zirui Song, Sherri Rose, Michael E Chernew, Dana Gelb Safran
As population-based payment models become increasingly common, it is crucial to understand how such payment models affect health disparities. We evaluated health care quality and spending among enrollees in areas with lower versus higher socioeconomic status in Massachusetts before and after providers entered into the Alternative Quality Contract, a two-sided population-based payment model with substantial incentives tied to quality. We compared changes in process measures, outcome measures, and spending between enrollees in areas with lower and higher socioeconomic status from 2006 to 2012 (outcome measures were measured after the intervention only)...
January 1, 2017: Health Affairs
https://www.readbyqxmd.com/read/28063957/initial-development-and-validation-of-a-patient-reported-symptom-survey-for-small-fiber-polyneuropathy
#10
Roi Treister, Mette Lodahl, Magdalena Lang, Shelley S Tworoger, Shlomo Sawilowsky, Anne Louise Oaklander
: Small-fiber polyneuropathy SFPN affects unmyelinated and thinly myelinated peripheral axons. Several questionnaires have been developed to assess polyneuropathy from diabeties or chemotherapy, but none for SFPN from other or unknown causes. A comprehensive survey could help clinicians diagnose and assess treatment responses, define prevalence natural history and cures, and identify research subjects. Thus, we developed the one-page Small-fiber Symptom Survey (SSS), using input from patients and 21 medical/scientific experts...
January 4, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28063614/analysis-of-emergency-department-length-of-stay-for-mental-health-patients-at-ten-massachusetts-emergency-departments
#11
Mark D Pearlmutter, Kristin H Dwyer, Laura G Burke, Niels Rathlev, Louise Maranda, Greg Volturo
STUDY OBJECTIVE: Prolonged boarding times in the emergency department (ED) disproportionately affect mental health patients, resulting in patient and provider dissatisfaction and increased patient morbidity and mortality. Our objective is to quantify the burden of mental health boarding and to elucidate the effect of insurance together with demographic, social, and comorbid factors on length of stay. METHODS: We conducted a cross-sectional observational study of 871 consecutive patients requiring an ED mental health evaluation at one of 10 unaffiliated Massachusetts hospitals...
December 30, 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28061953/advances-in-basic-and-translational-tuberculosis-research-proceedings-of-the-first-meeting-of-report-international
#12
REVIEW
Carolina Geadas, Sonia K Stoszek, David Sherman, Bruno B Andrade, Sudha Srinivasan, Carol D Hamilton, Jerrold Ellner
RePORT International is a collaborative research network of investigators from multiple countries and institutions with the goal of establishing a bio-repository of specimens and clinical data for the study of active TB and latent TB infection (LTBI). During the first meeting of RePORT International in Boston, Massachusetts, the results of research pertinent to TB control and eradication were presented, including advances in the research of Mycobacterium tuberculosis (MTB) persistence and drug resistance, TB diagnostics, drug and vaccine development...
January 2017: Tuberculosis
https://www.readbyqxmd.com/read/28060868/non-communicable-disease-preventive-screening-by-hiv-care-model
#13
Corinne M Rhodes, Yuchiao Chang, Susan Regan, Virginia A Triant
IMPORTANCE: The Human Immunodeficiency Virus (HIV) epidemic has evolved, with an increasing non-communicable disease (NCD) burden emerging and need for long-term management, yet there are limited data to help delineate the optimal care model to screen for NCDs for this patient population. OBJECTIVE: The primary aim was to compare rates of NCD preventive screening in persons living with HIV/AIDS (PLWHA) by type of HIV care model, focusing on metabolic/cardiovascular disease (CVD) and cancer screening...
2017: PloS One
https://www.readbyqxmd.com/read/28060209/catechol-o-methyltransferase-genotypes-and-parenting-influence-on-long-term-executive-functioning-after-moderate-to-severe-early-childhood-traumatic-brain-injury-an-exploratory-study
#14
Brad G Kurowski, Amery Treble-Barna, Huaiyu Zang, Nanhua Zhang, Lisa J Martin, Keith Owen Yeates, H Gerry Taylor, Shari L Wade
OBJECTIVES: To examine catechol-O-methyltransferase (COMT) rs4680 genotypes as moderators of the effects of parenting style on postinjury changes in parent behavior ratings of executive dysfunction following moderate to severe early childhood traumatic brain injury. SETTING: Research was conducted in an outpatient setting. PARTICIPANTS: Participants included children admitted to hospital with moderate to severe traumatic brain injury (n = 55) or orthopedic injuries (n = 70) between ages 3 and 7 years...
January 5, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28059655/norman-m-dott-master-of-hypothalamic-craniopharyngioma-surgery-the-decisive-mentoring-of-harvey-cushing-and-percival-bailey-at-peter-bent-brigham-hospital
#15
Ruth Prieto, José M Pascual
Norman McOmish Dott (1897-1973) developed surgical neurology in Edinburgh, Scotland, and was a scholar of worldwide renown. One of Dott's most notable contributions to neurosurgery was his understanding of hypothalamic physiology, mostly acquired through the comprehensive study of patients with lesions involving this region of the diencephalon, particularly craniopharyngiomas (CPs). Recognition of symptoms caused by hypothalamic disturbances allowed him to predict the accurate anatomical relationships between CPs and the hypothalamus, despite the rudimentary radiological methods available during the 1930s...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28055987/heart-beat-classification-from-single-lead-ecg-using-the-synchrosqueezing-transform
#16
Christophe L Herry, Martin Frasch, Andrew Je Seely, Hau-Tieng Wu
The processing of ECG signal provides a wealth of information on cardiac function and overall cardiovascular health. While multi-lead ECG recordings are often necessary for a proper assessment of cardiac rhythms, they are not always available or practical, for example in fetal ECG applications. Moreover, a wide range of small non-obtrusive single-lead ECG ambulatory monitoring devices are now available, from which heart rate variability (HRV) and other health-related metrics are derived. Proper beat detection and classification of abnormal rhythms is important for reliable HRV assessment and can be challenging in single-lead ECG monitoring devices...
January 5, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28050622/correlation-between-quantitative-and-semiquantitative-parameters-in-dce-mri-with-a-blood-pool-agent-in-rectal-cancer-can-semiquantitative-parameters-be-used-as-a-surrogate-for-quantitative-parameters
#17
Rebecca A P Dijkhoff, Monique Maas, Milou H Martens, Nikolaos Papanikolaou, Doenja M J Lambregts, Geerard L Beets, Regina G H Beets-Tan
PURPOSE: The aim of this study was to assess correlation between quantitative and semiquantitative parameters in dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in rectal cancer patients, both in a primary staging and restaging setting. MATERIALS AND METHODS: Nineteen patients were included with DCE-MRI before and/or after neoadjuvant therapy. DCE-MRI was performed with gadofosveset trisodium (Ablavar(®), Lantheus Medical Imaging, North Billerica, Massachusetts, USA)...
January 3, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28050507/shear-bond-strength-of-ceramic-brackets-with-different-base-designs-comparative-in-vitro-study
#18
Mohd Younus Ansari, Deepak K Agarwal, Ankur Gupta, Preeti Bhattacharya, Juhi Ansar, Ravi Bhandari
INTRODUCTION: Knowledge about the Shear Bond Strength (SBS) of ceramic brackets with different base design is essential as it affects bond strength to enamel. AIM: The aim of the present study was to evaluate and compare the effect of base designs of different ceramic brackets on SBS, and to determine the fracture site after debonding. MATERIALS AND METHODS: Four groups of ceramic brackets and one group of metal brackets with different base designs were used...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28048707/mo-fg-campus-jep1-05-water-equivalent-path-length-calculations-using-scatter-corrected-head-and-neck-cbct-images-to-evaluate-patients-for-adaptive-proton-therapy
#19
J Kim, Y Park, G Sharp, B Winey
PURPOSE: To establish a method to evaluate the dosimetric impact of anatomic changes in head and neck patients during proton therapy by using scatter-corrected cone-beam CT (CBCT) images. METHODS: The water equivalent path length (WEPL) was calculated to the distal edge of PTV contours by using tomographic images available for six head and neck patients received photon therapy. The proton range variation was measured by calculating the difference between the distal WEPLs calculated with the planning CT and weekly treatment CBCT images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048551/we-fg-brb-02-spatial-mapping-of-the-rbe-of-scanned-particle-beams
#20
D Grosshans
: The physical pattern of energy deposition and the enhanced relative biological effectiveness (RBE) of protons and carbon ions compared to photons offer unique and not fully understood or exploited opportunities to improve the efficacy of radiation therapy. Variations in RBE within a pristine or spread out Bragg peak and between particle types may be exploited to enhance cell killing in target regions without a corresponding increase in damage to normal tissue structures. In addition, the decreased sensitivity of hypoxic tumors to photon-based therapies may be partially overcome through the use of more densely ionizing radiations...
June 2016: Medical Physics
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