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https://www.readbyqxmd.com/read/28920806/accuracy-of-noninvasive-anesthetic-monitoring-in-the-anesthetized-giraffe-giraffa-camelopardalis
#1
Mads F Bertelsen, Carsten Grøndahl, George F Stegmann, Cathrine Sauer, Niels H Secher, J Michael Hasenkam, Mads Damkjær, Christian Aalkjær, Tobias Wang
This study evaluated the accuracy of pulse oximetry, capnography, and oscillometric blood pressure during general anesthesia in giraffes (Giraffa camelopardalis). Thirty-two giraffes anesthetized for physiologic experiments were instrumented with a pulse oximeter transmittance probe positioned on the tongue and a capnograph sampling line placed at the oral end of the endotracheal tube. A human size 10 blood pressure cuff was placed around the base of the tail, and an indwelling arterial catheter in the auricular artery continuously measured blood pressure...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28919800/renal-sympathetic-denervation-increases-renal-blood-volume-per-cardiac-cycle-a-serial-magnetic-resonance-imaging-study-in-resistant-hypertension
#2
Sinny Delacroix, Ramesh G Chokka, Adam J Nelson, Dennis T Wong, Samuel Sidharta, Stephen M Pederson, Adil Rajwani, Joanne Nimmo, Karen S Teo, Stephen G Worthley
AIM: Preclinical studies have demonstrated improvements in renal blood flow after renal sympathetic denervation (RSDN); however, such effects are yet to be confirmed in patients with resistant hypertension. Herein, we assessed the effects of RSDN on renal artery blood flow and diameter at multiple time points post-RSDN. METHODS AND RESULTS: Patients (n=11) with systolic blood pressures ≥160 mmHg despite taking three or more antihypertensive medications at maximum tolerated dose were recruited into this single-center, prospective, non-blinded study...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28918894/effect-of-pneumoperitoneum-and-patient-positioning-on-intracranial-pressures-during-laparoscopy-a-prospective-comparative-study
#3
Nishant Sahay, Shalini Sharma, Umesh K Bhadani, Akhilesh Singh, Chandni Sinha, Anubha Sahay, Alok Ranjan, Mukta Agarwal
STUDY OBJECTIVE: To evaluate the effect of pneumoperitoneum and head position during laparoscopic surgery on intracranial pressures (ICPs) using sonographic measurements of optic nerve sheath diameter (ONSD). DESIGN: Prospective observational study (Canadian Task Force Classification of Study Design II-1). SETTING: A tertiary level hospital. PATIENTS: Sixty-one female patients ages 15 to 50 years with American Society of Anesthesiologists Grade 1 risk and body mass index ≤ 29 kg/m(2) were admitted to the hospital between November 2015 and October 2016 for elective laparoscopic surgery and included in this study...
September 12, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28918110/emergent-behaviors-in-rbcs-flows-in-micro-channels-using-digital-particle-image-velocimetry
#4
F Cairone, D Ortiz, P J Cabrales, M Intaglietta, M Bucolo
The key points in the design of microfluidic Lab-On-a-Chips for blood tests are the simplicity of the microfluidic chip geometry, the portability of the monitoring system and the ease on-chip integration of the data analysis procedure. The majority of those, recently designed, have been used for blood separation, however their introduction, also, for pathological conditions diagnosis would be important in different biomedical contexts. To overcome this lack is necessary to establish the relation between the RBCs flow and blood viscosity changes in micro-vessels...
September 13, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28917688/a-randomized-trial-of-pocket-echocardiography-integrated-mobile-health-device-assessments-in-modern-structural-heart-disease-clinics
#5
Sanjeev P Bhavnani, Srikanth Sola, David Adams, Ashwin Venkateshvaran, P K Dash, Partho P Sengupta
OBJECTIVES: This study sought to determine whether mobile health (mHealth) device assessments used as clinical decision support tools at the point-of-care can reduce the time to treatment and improve long-term outcomes among patients with rheumatic and structural heart diseases (SHD). BACKGROUND: Newly developed smartphone-connected mHealth devices represent promising methods to diagnose common diseases in resource-limited areas; however, the impact of technology-based care on long-term outcomes has not been rigorously evaluated...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28917437/effects-of-intravenous-administration-of-fentanyl-and-lidocaine-on-hemodynamic-responses-following-endotracheal-intubation
#6
Amir Masoud Hashemian, Hamid Zamani Moghadam Doloo, Maziar Saadatfar, Roya Moallem, Maryam Moradifar, Raheleh Faramarzi, Mohammad Davood Sharifi
OBJECTIVES: To compare the effects of intravenous fentanyl and lidocaine on hemodynamic changes following endotracheal intubation in patients requiring Rapid Sequence Intubation (RSI) in the emergency department (ED). METHODS: A single-centered, prospective, simple non-randomized, double-blind clinical trial was conducted on 96 patients who needed RSI in Edalatian ED. They were randomly divided into three groups (fentanyl group (F), lidocaine group (L), and fentanyl plus lidocaine (M) as our control group)...
July 21, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28916829/tricritical-wings-and-modulated-magnetic-phases-in-lacrge3-under-pressure
#7
Udhara S Kaluarachchi, Sergey L Bud'ko, Paul C Canfield, Valentin Taufour
Experimental and theoretical investigations on itinerant ferromagnetic systems under pressure have shown that ferromagnetic quantum criticality is avoided either by a change of the transition order, becoming of the first order at a tricritical point, or by the appearance of modulated magnetic phases. In the first case, the application of a magnetic field reveals a wing-structure phase diagram as seen in itinerant ferromagnets such as ZrZn2 and UGe2. In the second case, no tricritical wings have been observed so far...
September 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28915955/implications-of-bisphosphonate-calcium-ion-depletion-interfering-with-desmosome-epithelial-seal-in-osseointegrated-implants-and-pressure-ulcers
#8
Louis Z G Touyz, Kelvin I Afrashtehfar
Osteoporosis (OP) is a global bone disease prevalent in aging in humans, especially in older women. Bisphosphonates (BPs) are commonly used as therapy for OP as it influences hard and soft tissues calcium metabolism. Mucosal and dermal ulceration with exposure of underlying bone arises from incomplete epithelial recovery due to reduced desmosome formation deriving from lack of available calcium. Pathological situations such as bisphosphonate-related osteonecrosis of the jaw have been described. This hypothesis states other situations which demand intact functional desmosomes such as healing skin over chronic pressure points leading to pressure ulcers (as well-known as bedsores, pressure sores, pressure injuries, decubitus ulcers), and hemidesmosomes such as epithelial seals in contact with titanium surfaces will have a higher prevalence of breakdown among patients being treated with BPs...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28915892/modelling-the-impact-of-the-long-term-use-of-insecticide-treated-bed-nets-on-anopheles-mosquito-biting-time
#9
Claudia P Ferreira, Silas P Lyra, Franciane Azevedo, David Greenhalgh, Eduardo Massad
BACKGROUND: Evidence of changing in biting and resting behaviour of the main malaria vectors has been mounting up in recent years as a result of selective pressure by the widespread and long-term use of insecticide-treated bed nets (ITNs), and indoor residual spraying. The impact of resistance behaviour on malaria intervention efficacy has important implications for the epidemiology and malaria control programmes. In this context, a theoretical framework is presented to understand the mechanisms determining the evolution of feeding behaviour under the pressure of use of ITNs...
September 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28915871/virtual-patients-in-the-acquisition-of-clinical-reasoning-skills-does-presentation-mode-matter-a-quasi-randomized-controlled-trial
#10
Fabian Schubach, Matthias Goos, Götz Fabry, Werner Vach, Martin Boeker
BACKGROUND: The objective of this study is to compare two different instructional methods in the curricular use of computerized virtual patients in undergraduate medical education. We aim to investigate whether using many short and focused cases - the key feature principle - is more effective for the learning of clinical reasoning skills than using few long and systematic cases. METHODS: We conducted a quasi-randomized, non-blinded, controlled parallel-group intervention trial in a large medical school in Southwestern Germany...
September 15, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28915865/informed-consent-and-registry-based-research-the-case-of-the-danish-circumcision-registry
#11
Thomas Ploug, Søren Holm
BACKGROUND: Research into personal health data holds great potential not only for improved treatment but also for economic growth. In these years many countries are developing policies aimed at facilitating such research often under the banner of 'big data'. A central point of debate is whether the secondary use of health data requires informed consent if the data is anonymised. In 2013 the Danish Minister of Health established a new register collecting data about all ritual male childhood circumcisions in Denmark...
September 15, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28915829/how-often-do-mosquitoes-bite-humans-in-southern-england-a-standardised-summer-trial-at-four-sites-reveals-spatial-temporal-and-site-related-variation-in-biting-rates
#12
Victor A Brugman, Marion E England, Joanne Stoner, Laura Tugwell, Lara E Harrup, Anthony J Wilson, Jolyon M Medlock, James G Logan, Anthony R Fooks, Peter P C Mertens, Nicholas Johnson, Simon Carpenter
BACKGROUND: This field-based study examined the abundance and species complement of mosquitoes (Diptera: Culicidae) attracted to humans at four sites in the United Kingdom (UK). The study used a systematic approach to directly measure feeding by mosquitoes on humans at multiple sites and using multiple volunteers. Quantifying how frequently humans are bitten in the field by mosquitoes is a fundamental parameter in assessing arthropod-borne virus transmission. METHODS: Human landing catches were conducted using a standardised protocol by multiple volunteers at four rural sites between July and August 2013...
September 15, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28914679/reliability-of-a-skin-diagnostic-device-in-assessing-hydration-and-erythema
#13
Koh Huimin, Alexandra M Rowledge, Caroline J Borzdynski, Charne Miller, Nicoletta Frescos, Gayle McKenzie, Elizabeth Perry, William McGuiness
OBJECTIVE: To examine the reliability of a skin diagnostic device, the SD202 (Courage+Khazaka GmBH, Cologne, Germany), in assessing hydration and erythema of periwound skin and pressure injury-prone areas. DESIGN: Intrarater reliabilities from 3 cross-sectional and prospective studies are reported. SETTING AND PARTICIPANTS: Patients attending an outpatient, nurse-led wound dressing clinic (n = 16), a podiatrist-led high-risk foot clinic (n = 17), and residents (n = 38) at a single residential aged-care facility...
October 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28912947/friction-massage-versus-kinesiotaping-for-short-term-management-of-latent-trigger-points-in-the-upper-trapezius-a-randomized-controlled-trial
#14
Marzieh Mohamadi, Soraya Piroozi, Iman Rashidi, Saeed Hosseinifard
BACKGROUND: Latent trigger points in the upper trapezius muscle may disrupt muscle movement patterns and cause problems such as cramping and decreased muscle strength. Because latent trigger points may spontaneously become active trigger points, they should be addressed and treated to prevent further problems. In this study we compared the short-term effect of kinesiotaping versus friction massage on latent trigger points in the upper trapezius muscle. METHODS: Fifty-eight male students enrolled with a stratified sampling method participated in this single-blind randomized clinical trial (Registration ID: IRCT2016080126674N3) in 2016...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28912260/decoupling-between-diastolic-pulmonary-artery-pressure-and-pulmonary-capillary-wedge-pressure-as-a-prognostic-factor-after-continuous-flow-ventricular-assist-device-implantation
#15
Teruhiko Imamura, Ben Chung, Ann Nguyen, Daniel Rodgers, Gabriel Sayer, Sirtaz Adatya, Nitasha Sarswat, Gene Kim, Jayant Raikhelkar, Takeyohi Ota, Tae Song, Colleen Juricek, Viktoriya Kagan, Valluvan Jeevanandam, Mandeep Mehra, Daniel Burkhoff, Nir Uriel
BACKGROUND: A cohort of heart failure (HF) patients receiving left ventricular assist devices (LVADs) has decoupling of their diastolic pulmonary artery pressure and pulmonary capillary wedge pressure. However, the clinical implications of this decoupling remain unclear. METHODS AND RESULTS: In this prospective study, patients with LVADs underwent routine invasive hemodynamic ramp testing with right heart catheterization, during which LVAD speeds were adjusted. Inappropriate decoupling was defined as a >5 mm Hg difference between diastolic pulmonary artery pressure and pulmonary capillary wedge pressure...
September 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28912258/frank-starling-mechanism-and-short-term-adjustment-of-cardiac-flow
#16
José Guilherme Chaui-Berlinck, Luiz Henrique Alves Monteiro
The Frank-Starling Law of the heart is a filling-force mechanism (FFm), a positive relationship between the distension of a ventricular chamber and its force of ejection, and such a mechanism is found across all the studied vertebrate lineages. The functioning of the cardiovascular system is usually described by means of the cardiac and vascular functions, the former related to the contractility of the heart and the latter related to the after-load imposed to the ventricle. The crossing of these functions is the so-called operation point, and the FFm is supposed to play a stabilizing role for the short-term variations in the working of the system...
September 14, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28910656/test-retest-reliability-of-a-balance-testing-protocol-with-external-perturbations-in-young-healthy-adults
#17
Shawn M Robbins, Ryan M Caplan, Daniel I Aponte, Nancy St-Onge
External perturbations are utilized to challenge balance and mimic realistic balance threats in patient populations. The reliability of such protocols has not been established. The purpose was to examine test-retest reliability of balance testing with external perturbations. Healthy adults (n=34; mean age 23 years) underwent balance testing over two visits. Participants completed ten balance conditions in which the following parameters were combined: perturbation or non-perturbation, single or double leg, and eyes open or closed...
September 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28910594/concordance-between-common-hypertension-control-algorithms-in-electronic-medical-record-data
#18
Victoria M Nielsen, Amy Bettano, Mark Josephson, Laura Nasuti, W W Sanouri Ursprung
Because quality improvement metrics and treatment guidelines are used to conduct research, evaluate care quality, and assess population health, they should, ideally, align. We used electronic medical record data to analyze variation between blood pressure control estimates calculated by using thresholds derived from National Quality Forum 0018 (NQF 0018) and Joint National Committee (JNC) treatment guidelines in a cohort of patients with hypertension. Percentage of patients with controlled blood pressure derived from each quality improvement or treatment guideline cutoff varied up to 16...
September 14, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28910267/surveillance-for-certain-health-behaviors-and-conditions-among-states-and-selected-local-areas-behavioral-risk-factor-surveillance-system-united-states-2013-and-2014
#19
Sonya Gamble, Tebitha Mawokomatanda, Fang Xu, Pranesh P Chowdhury, Carol Pierannunzi, David Flegel, William Garvin, Machell Town
PROBLEM: Chronic diseases and conditions (e.g., heart diseases, stroke, arthritis, and diabetes) are the leading causes of morbidity and mortality in the United States. These conditions are costly to the U.S. economy, yet they are often preventable or controllable. Behavioral risk factors (e.g., excessive alcohol consumption, tobacco use, poor diet, frequent mental distress, and insufficient sleep) are linked to the leading causes of morbidity and mortality. Adopting positive health behaviors (e...
September 15, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28910157/photochemical-cross-linking-for-penetrating-corneal-wound-closure-in-enucleated-porcine-eyes
#20
Ti Wang, Lu Zhu, Yinbo Peng, Nianci Shen, Yan Yu, Min Yao, Jingyin Zhu
PURPOSE: To compare the efficacy of photochemical-induced tissue cross-linking (PCL), utilizing Rose Bengal (RB) and 532 nm green light irradiation (RB-PCL), with standard sutures for closure of penetrating corneal incision in porcine cadaver eyes. METHODS: A full-thickness penetrating incision, 3 mm in length parallel to the limbus and perpendicular to the corneal surface, was made in the enucleated porcine cornea. Photochemical cross-linking was performed with tropical RB application and irradiation of 532 nm green light (0...
September 14, 2017: Current Eye Research
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