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Douglas Kalman

Mehrnaz Shokrollahi, Frank Rudzicz, Daniel Vena, T Douglas Bradley, Azadeh Yadollahi
Obstructive Sleep apnea can be caused by fluid shift from the legs to the neck that narrows the upper airway (UA) and contributes to changes in tracheal sound. Tracheal sound is generated from the turbulent airflow in the pharynx and respiratory airways and it has recently been used to estimate increases in neck fluid volume (NFV). However, tracheal sound is also highly variable among people, especially across the sexes. In this paper, a novel method is proposed to select tracheal sound features towards estimating NFV in men and women separately...
July 5, 2017: Medical & Biological Engineering & Computing
Alan A Aragon, Brad J Schoenfeld, Robert Wildman, Susan Kleiner, Trisha VanDusseldorp, Lem Taylor, Conrad P Earnest, Paul J Arciero, Colin Wilborn, Douglas S Kalman, Jeffrey R Stout, Darryn S Willoughby, Bill Campbell, Shawn M Arent, Laurent Bannock, Abbie E Smith-Ryan, Jose Antonio
Position Statement: The International Society of Sports Nutrition (ISSN) bases the following position stand on a critical analysis of the literature regarding the effects of diet types (macronutrient composition; eating styles) and their influence on body composition. The ISSN has concluded the following. 1) There is a multitude of diet types and eating styles, whereby numerous subtypes fall under each major dietary archetype. 2) All body composition assessment methods have strengths and limitations. 3) Diets primarily focused on fat loss are driven by a sustained caloric deficit...
2017: Journal of the International Society of Sports Nutrition
Richard B Kreider, Douglas S Kalman, Jose Antonio, Tim N Ziegenfuss, Robert Wildman, Rick Collins, Darren G Candow, Susan M Kleiner, Anthony L Almada, Hector L Lopez
Creatine is one of the most popular nutritional ergogenic aids for athletes. Studies have consistently shown that creatine supplementation increases intramuscular creatine concentrations which may help explain the observed improvements in high intensity exercise performance leading to greater training adaptations. In addition to athletic and exercise improvement, research has shown that creatine supplementation may enhance post-exercise recovery, injury prevention, thermoregulation, rehabilitation, and concussion and/or spinal cord neuroprotection...
2017: Journal of the International Society of Sports Nutrition
Hugh Calkins, Gerhard Hindricks, Riccardo Cappato, Young-Hoon Kim, Eduardo B Saad, Luis Aguinaga, Joseph G Akar, Vinay Badhwar, Josep Brugada, John Camm, Peng-Sheng Chen, Shih-Ann Chen, Mina K Chung, Jens Cosedis Nielsen, Anne B Curtis, D Wyn Davies, John D Day, André d'Avila, N M S Natasja de Groot, Luigi Di Biase, Mattias Duytschaever, James R Edgerton, Kenneth A Ellenbogen, Patrick T Ellinor, Sabine Ernst, Guilherme Fenelon, Edward P Gerstenfeld, David E Haines, Michel Haissaguerre, Robert H Helm, Elaine Hylek, Warren M Jackman, Jose Jalife, Jonathan M Kalman, Josef Kautzner, Hans Kottkamp, Karl Heinz Kuck, Koichiro Kumagai, Richard Lee, Thorsten Lewalter, Bruce D Lindsay, Laurent Macle, Moussa Mansour, Francis E Marchlinski, Gregory F Michaud, Hiroshi Nakagawa, Andrea Natale, Stanley Nattel, Ken Okumura, Douglas Packer, Evgeny Pokushalov, Matthew R Reynolds, Prashanthan Sanders, Mauricio Scanavacca, Richard Schilling, Claudio Tondo, Hsuan-Ming Tsao, Atul Verma, David J Wilber, Teiichi Yamane
The publisher regrets that this article has been temporarily removed. A replacement will appear as soon as possible in which the reason for the removal of the article will be specified, or the article will be reinstated. The full Elsevier Policy on Article Withdrawal can be found at
May 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Douglas Kalman, Philip D Harvey, Sara Perez Ojalvo, James Komorowski
Inositol-stabilized arginine silicate (ASI; Nitrosigine(®)) has been validated to increase levels of arginine, silicon and nitric oxide production. To evaluate potential enhancement of mental focus and clarity, ASI (1500 mg/day) was tested in two double-blind placebo-controlled crossover (DBPC-X) studies using the Trail Making Test (TMT, Parts A and B). In the two studies, healthy males took ASI for 14 and 3 days, respectively. In the first study, after 14 days of dosing, TMT B time decreased significantly from baseline (28% improvement, p = 0...
November 18, 2016: Nutrients
Alina Goldenberg, Nico Mousdicas, Nanette Silverberg, Douglas Powell, Janice L Pelletier, Jonathan I Silverberg, Jonathan Zippin, Luz Fonacier, Antonella Tosti, Leslie Lawley, Mary Wu Chang, Andrew Scheman, Gary Kleiner, Judith Williams, Kalman Watsky, Cory A Dunnick, Rachel Frederickson, Catalina Matiz, Keri Chaney, Tracy S Estes, Nina Botto, Michelle Draper, Leon Kircik, Aida Lugo-Somolinos, Brian Machler, Sharon E Jacob
BACKGROUND: Little is known about the epidemiology of allergic contact dermatitis (ACD) in US children. More widespread diagnostic confirmation through epicutaneous patch testing is needed. OBJECTIVE: The aim was to quantify patch test results from providers evaluating US children. METHODS: The study is a retrospective analysis of deidentified patch test results of children aged 18 years or younger, entered by participating providers in the Pediatric Contact Dermatitis Registry, during the first year of data collection (2015-2016)...
September 2016: Dermatitis
Peter C Schalock, Glen Crawford, Susan Nedorost, Pamela L Scheinman, Amber Reck Atwater, Christen Mowad, Bruce Brod, Alison Ehrlich, Kalman L Watsky, Denis Sasseville, Dianne Silvestri, Sophie M Worobec, John F Elliott, Golara Honari, Douglas L Powell, James Taylor, Joel DeKoven
The American Contact Dermatitis Society recognizes the interest in the evaluation and management of metal hypersensitivity reactions. Given the paucity of robust evidence with which to guide our practices, we provide reasonable evidence and expert opinion-based guidelines for clinicians with regard to metal hypersensitivity reaction testing and patient management. Routine preoperative evaluation in individuals with no history of adverse cutaneous reactions to metals or history of previous implant-related adverse events is not necessary...
September 2016: Dermatitis
James P Wilson, Kalman Kafetz, Douglas Fink
A 70-year-old Caucasian woman was treated for Capnocytophaga canimorsus septicaemia. The source of bacteraemia was very likely to be her household pet, an Italian greyhound. The patient presented with a presumed complex partial seizure but deteriorated rapidly with sepsis and multiorgan dysfunction. Neither scratch nor bite was established, although close petting including licks was reported. Blood cultures grew Gram-negative rods, identified by molecular techniques as C. canimorsus-a bacterium frequently isolated in the oral cavities of dogs and cats...
June 30, 2016: BMJ Case Reports
Yalda Mohsenzadeh, Suryadeep Dash, J Douglas Crawford
In the oculomotor system, spatial updating is the ability to aim a saccade toward a remembered visual target position despite intervening eye movements. Although this has been the subject of extensive experimental investigation, there is still no unifying theoretical framework to explain the neural mechanism for this phenomenon, and how it influences visual signals in the brain. Here, we propose a unified state-space model (SSM) to account for the dynamics of spatial updating during two types of eye movement; saccades and smooth pursuit...
2016: Frontiers in Systems Neuroscience
Jose Antonio, Douglas Kalman, Richard Kreider
The editors of Journal of the International Society of Sports Nutrition would like to thank all our reviewers who have contributed to the journal from Volume 12 (2015).
2016: Journal of the International Society of Sports Nutrition
Swetha Subramanian, T Douglas Mast
Computational finite element models are commonly used for the simulation of radiofrequency ablation (RFA) treatments. However, the accuracy of these simulations is limited by the lack of precise knowledge of tissue parameters. In this technical note, an inverse solver based on the unscented Kalman filter (UKF) is proposed to optimize values for specific heat, thermal conductivity, and electrical conductivity resulting in accurately simulated temperature elevations. A total of 15 RFA treatments were performed on ex vivo bovine liver tissue...
October 7, 2015: Physics in Medicine and Biology
Eric T Trexler, Abbie E Smith-Ryan, Jeffrey R Stout, Jay R Hoffman, Colin D Wilborn, Craig Sale, Richard B Kreider, Ralf Jäger, Conrad P Earnest, Laurent Bannock, Bill Campbell, Douglas Kalman, Tim N Ziegenfuss, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review of the mechanisms and use of beta-alanine supplementation. Based on the current available literature, the conclusions of the ISSN are as follows: 1) Four weeks of beta-alanine supplementation (4-6 g daily) significantly augments muscle carnosine concentrations, thereby acting as an intracellular pH buffer; 2) Beta-alanine supplementation currently appears to be safe in healthy populations at recommended doses; 3) The only reported side effect is paraesthesia (tingling), but studies indicate this can be attenuated by using divided lower doses (1...
2015: Journal of the International Society of Sports Nutrition
Jose Antonio, Douglas Kalman, Richard Kreider
The editors of Journal of the International Society of Sports Nutrition would like to thank all our reviewers who have contributed to the journal from Volume 11 (2014).
2015: Journal of the International Society of Sports Nutrition
Alaaeldin M Elsayed, Lisa L Hunter, Douglas H Keefe, M Patrick Feeney, David K Brown, Jareen K Meinzen-Derr, Kelly Baroch, Maureen Sullivan-Mahoney, Kara Francis, Leigh G Schaid
OBJECTIVES: To study normative thresholds and latencies for click and tone-burst auditory brainstem response (TB-ABR) for air and bone conduction in normal infants and those discharged from neonatal intensive care units, who passed newborn hearing screening and follow-up distortion product otoacoustic emission. An evoked potential system (Vivosonic Integrity) that incorporates Bluetooth electrical isolation and Kalman-weighted adaptive processing to improve signal to noise ratios was employed for this study...
July 2015: Ear and Hearing
Gregory A Clark, Suzanne Wendelken, David M Page, Tyler Davis, Heather A C Wark, Richard A Normann, David J Warren, Douglas T Hutchinson
Peripheral nerve interfaces that can record from and stimulate large numbers of different nerve fibers selectively and independently may help restore intuitive and effective motor and sensory function after hand amputation. To this end, and extending previous work in two subjects, two 100-electrode Utah Slanted Electrode Arrays (USEAs) were implanted for four weeks in the residual ulnar and median nerves of a 50-year-old male whose left, dominant hand had been amputated 21 years previously. Subsequent experiments involved 1) recording from USEAs for real-time control of a virtual prosthetic hand; 2) stimulation to evoke somatosensory percepts; and 3) closed-loop sensorimotor control...
2014: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Megan M Kelly, Hannah Sido, John P Forsyth, Douglas M Ziedonis, David Kalman, Judith L Cooney
OBJECTIVE: Veterans with PTSD smoke at rates two to three times higher than the general population, while their quit rate is less than half that of the general population. The present study evaluated the feasibility, acceptability, and preliminary efficacy of Acceptance and Commitment Therapy for Veterans With Posttraumatic Stress Disorder (PTSD) and Tobacco Addiction (ACT-PT), which focuses on helping veterans overcome emotional challenges to quitting smoking. METHODS: Veterans with current PTSD who smoked 15 or more cigarettes/day (N = 19) participated in an open trial of ACT-PT...
2015: Journal of Dual Diagnosis
Malkanthi Evans, Douglas Kalman, Patricia Alvarez, Maryse Paquet, Najla Guthrie
PURPOSE: Actinic keratosis lesions (AKs) have the potential to develop into squamous cell carcinoma (SCC) and thus therapies to prevent SCC development from AKs are warranted. The aim of this study was to assess the effects of a 3 month application of a canola phenolic acid-based cream (CPA) on AK lesions. PATIENTS AND METHODS: This was a randomized, double-blind, placebo-controlled, 12 week clinical study conducted at a single-center in Santo Domingo, Dominican Republic...
2014: Clinical, Cosmetic and Investigational Dermatology
Jose Antonio, Douglas Kalman, Richard Kreider
The editors of Journal of the International Society of Sports Nutrition would like to thank all our reviewers who have contributed to the journal in Volume 10 (2013). The tireless work that all of you have given to us to enhance our journal is highly appreciated. We can't thank you enough.
2014: Journal of the International Society of Sports Nutrition
Sun S Kim, Sangkeun Chung, Jong-Il Park, Ae-Ja Jung, David Kalman, Douglas M Ziedonis
OBJECTIVE: This study examined gender differences in smoking and quitting among individuals diagnosed with schizophrenia in Korea. In addition, the study investigated differences in caffeine use by gender and smoking status. METHOD: An anonymous self-report survey was conducted with psychiatric inpatients. RESULTS: Compared to males, females were less likely to be current smokers (P<.001) and more likely to be former smokers (P<.01)...
October 2013: Archives of Psychiatric Nursing
Sangkeun Chung, Sun S Kim, Nisha Kini, Hua J Fang, David Kalman, Douglas M Ziedonis
UNLABELLED: This is the first study of Korean Americans' smoking behavior using a topography device. Korean American men smoke at higher rates than the general U.S. POPULATION: Korean American and White men were compared based on standard tobacco assessment and smoking topography measures. They smoked their preferred brand of cigarettes ad libitum with a portable smoking topography device for 24 h. Compared to White men (N = 26), Korean American men (N = 27) were more likely to smoke low nicotine-yield cigarettes (p < 0...
June 2015: Journal of Immigrant and Minority Health
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