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https://www.readbyqxmd.com/read/28725529/recent-progress-on-piezoelectric-and-triboelectric-energy-harvesters-in-biomedical-systems
#1
REVIEW
Qiang Zheng, Bojing Shi, Zhou Li, Zhong Lin Wang
Implantable medical devices (IMDs) have become indispensable medical tools for improving the quality of life and prolonging the patient's lifespan. The minimization and extension of lifetime are main challenges for the development of IMDs. Current innovative research on this topic is focused on internal charging using the energy generated by the physiological environment or natural body activity. To harvest biomechanical energy efficiently, piezoelectric and triboelectric energy harvesters with sophisticated structural and material design have been developed...
July 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28725115/maternal-and-fetal-arterial-blood-gas-data-in-normotensive-singleton-isoflurane-anesthetized-sheep-at-124-126-days-of-gestation
#2
Claire M Loughran, Matthew W Kemp, Gabrielle C Musk
The aim of this case series was to describe the differences between maternal and fetal blood-gas results during anesthesia. Sixteen singleton adult merino ewes weighing 60.1 ± 5.1 kg at 125.7 d (124 to 126 d) gestation were anesthetized. Maternal (radial) and fetal (umbilical) arterial blood gas samples were collected 79 ± 6 min after the start of anesthesia if maternal mean arterial pressure (MAP) was stable and > 65 mmHg. Fetal pH, partial arterial pressure of oxygen (PaO2), glucose, arterial hemoglobin oxygen saturation (SaO2), sodium, and chloride were significantly lower and fetal partial arterial pressure of carbon dioxide (PaCO2), lactate, hematocrit, total hemoglobin, potassium, and calcium were significantly higher than maternal blood-gas values...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28724309/effects-of-long-term-device-guided-slow-breathing-on-sympathetic-nervous-activity-in-hypertensive-patients-a-randomized-open-label-clinical-trial
#3
Silvana de Barros, Giovanio Vieira da Silva, Josiane Lima de Gusmão, Tatiana Goveia de Araújo, Dinoélia Rosa de Souza, Crivaldo Gomes Cardoso, Bruna Oneda, Décio Mion
PURPOSE: Device-guided slow breathing (DGB) is indicated as nonpharmacological treatment for hypertension. The sympathetic nerve activity (SNA) reduction may be one of the mechanisms involved in blood pressure (BP) decrease. The aim of this study is to evaluate the long-term use of DGB in BP and SNA. SUBJECTS AND METHODS: Hypertensive patients were randomized to listen music (Control Group-CG) or DGB (aim to reduce respiratory rate to less than 10 breaths/minute during 15 minutes/day for 8 weeks)...
July 20, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28723880/prevalence-and-clinical-characteristics-of-white-coat-hypertension-based-on-different-definition-criteria-in-untreated-and-treated-patients
#4
Alejandro de la Sierra, Ernest Vinyoles, José R Banegas, Julián Segura, Manuel Gorostidi, Juan J de la Cruz, Luis M Ruilope
BACKGROUND AND AIM: The prevalence and associated risks of white-coat hypertension (WCH) are still a matter of debate. We aimed to assess differences in prevalence and associated conditions of WCH defined on the basis of the normality of all daytime, night-time, and 24-h blood pressure (BP), only daytime, or only 24-h BP. METHODS: We selected 115 708 patients (45 020 untreated and 70 688 treated) from the Spanish Ambulatory BP Monitoring Registry. WCH was estimated in patients with elevated office BP (≥140 and/or 90 mmHg) by using normal daytime (<135/85) BP, normal 24-h BP (<130/80), or normal daytime, night-time (<120/70) and 24-h BP...
July 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28723834/talking-with-a-doctor-during-a-visit-elicits-increases-in-systolic-and-diastolic-blood-pressure
#5
Wenqiang Qi, Qinghua Wu, Yanqing Wu, Qiang Peng, Ping Li, Xiaoshu Cheng, Hai Su
OBJECTIVE: To investigate the impact of talking with doctors on blood pressure (BP) in outpatients. PATIENTS AND METHODS: This study included 122 hypertensive and 78 normotensive outpatients. BP was measured initially in silence with oscillometric BP monitors three times at 1-min intervals as follows: pre-1, pre-2, and pre-3. BP was then measured with the same device immediately, at 3 min, and at 5 min after talking commenced as follows: during-1, during-3, and during-5...
July 18, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28721762/case-of-memories-unlocking-the-past-for-former-nurses-with-dementia
#6
Kathy Oxtoby
Vintage-looking ear syringes, blood pressure monitors and other equipment from the early days of the NHS all feature in a nurse's case being used to help people living with dementia.
July 19, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28721726/3d-printed-earable-smart-devices-for-real-time-detection-of-core-body-temperature
#7
Hiroki Ota, Minghan Chao, Yuji Gao, Eric Wu, Li-Chia Tai, Kevin Chen, Yasutomo Matsuoka, Kosuke Iwai, Hossain M Fahad, Wei Gao, Hnin Yin Yin Nyein, Liwei Lin, Ali Javey
Real-time detection of basic physiological parameters such as blood pressure and heart rate is an important target in wearable smart devices for healthcare. Among these, the core body temperature is one of the most important basic medical indicators of fever, insomnia, fatigue, metabolic functionality, and depression. However, traditional wearable temperature sensors are based upon the measurement of skin temperature, which can vary dramatically from the true core body temperature. Here, we demonstrate a three-dimensional (3D) printed wearable "earable" smart device that is designed to be worn on the ear to track core body temperature from the tympanic membrane (i...
July 19, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721696/usefulness-of-fragmented-qrs-in-hypertensive-patients-in-the-absence-of-left-ventricular-hypertrophy
#8
Mehmet Eyuboglu, Yavuz Karabag, Suleyman Karakoyun, Omer Senarslan, Zulkif Tanriverdi, Bahri Akdeniz
In the absence of left ventricular hypertrophy, importance of fragmented QRS complex (fQRS) in individuals with hypertension is unknown. The authors aimed to evaluate the relationship between blood pressure levels and fQRS in the absence of left ventricular hypertrophy. A total of 548 never-treated patients who underwent 24-hour ambulatory blood pressure monitoring were enrolled. The frequency of fQRS was significantly higher in patients with hypertension than normotension (36.4% vs 17.6%, P<.05). Multivariate logistic regression analysis revealed that systolic blood pressure is significantly associated with presence of fQRS on electrocardiography (odds ratio, 0...
July 18, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28721085/ambulatory-and-home-blood-pressure-monitoring-gaps-between-clinical-guidelines-and-clinical-practice-in-singapore
#9
Sajita Setia, Kannan Subramaniam, Boon Wee Teo, Jam Chin Tay
PURPOSE: Out-of-office blood pressure (BP) measurements (home blood pressure monitoring [HBPM] and ambulatory blood pressure monitoring [ABPM]) provide important additional information for effective hypertension detection and management decisions. Therefore, out-of-office BP measurement is now recommended by several international guidelines. This study evaluated the practice and uptake of HBPM and ABPM among physicians from Singapore. MATERIALS AND METHODS: A sample of physicians from Singapore was surveyed between 8 September and 5 October 2016...
2017: International Journal of General Medicine
https://www.readbyqxmd.com/read/28718324/physical-health-and-drug-safety-in-individuals-with-schizophrenia
#10
Tamara Pringsheim, Martina Kelly, Doug Urness, Michael Teehan, Zahinoor Ismail, David Gardner
BACKGROUND: While antipsychotic medications are the mainstay of therapy for individuals with schizophrenia and psychotic disorders, their use is associated with adverse effects on physical health that require the attention and care of prescribers. METHODS: We used the ADAPTE process to adapt existing guideline recommendations from the National Institute for Health and Care Excellence (NICE) and Scottish Intercollegiate Guidelines Network (SIGN) guidelines on the dosing of antipsychotics and antipsychotic polypharmacy, screening for adverse effects of antipsychotics, and management of metabolic and extrapyramidal side effects to the Canadian context...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28717584/pulse-wave-analysis-with-diffusing-wave-spectroscopy
#11
Markus Belau, Wolfgang Scheffer, Georg Maret
Hypertension is a major risk factor for cardiovascular disease and thus at the origin of many deaths by e.g. heart attack or stroke. Hypertension is caused by many factors including an increase in arterial stiffness which leads to changes in pulse wave velocity and wave reflections. Those often result in an increased left ventricular load which may result in heart failure as well as an increased pulsatile pressure in the microcirculation l to damage to blood vessels. In order to specifically treat the different causes of hypertension it is desirable to perform a pulse wave analysis as a complement to measurements of systolic and diastolic pressure by brachial cuff sphygmomanometry...
July 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28717226/safe-brain-tumor-resection-does-not-depend-on-surgery-alone-role-of-hemodynamics
#12
Stefanie Bette, Benedikt Wiestler, Felicitas Wiedenmann, Johannes Kaesmacher, Martin Bretschneider, Melanie Barz, Thomas Huber, Yu-Mi Ryang, Eberhard Kochs, Claus Zimmer, Bernhard Meyer, Tobias Boeckh-Behrens, Jan S Kirschke, Jens Gempt
Aim of this study was to determine if perioperative hemodynamics have an impact on perioperative infarct volume and patients' prognosis. 201 cases with surgery for a newly diagnosed or recurrent glioblastoma were retrospectively analyzed. Clinical data and perioperative hemodynamic parameters, blood tests and time of surgery were recorded. Postoperative infarct volume was quantitatively assessed by semiautomatic segmentation. Mean diastolic blood pressure (dBP) during surgery (rho -0.239, 95% CI -0.11 - -0...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717053/pure-autonomic-failure
#13
REVIEW
Thomas P Brown
Pure autonomic failure is a degenerative disorder of the peripheral autonomic nervous system. Patients experience symptomatic hypotension that requires them to sit, squat or lie down to prevent syncope. It is associated with characteristic histopathological findings, resulting in neuronal cytoplasmic inclusions in the peripheral autonomic nerves. These lesions are responsible for defects in the synthesis and release of norepinephrine from sympathetic nerve terminals, resulting in significant hypotension. Patients with autonomic failure also have exaggerated blood pressure responses to common stimuli such as food or fluid intake, heat, exercise and medications...
July 17, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28716046/blood-volume-monitored-regulation-of-ultrafiltration-to-decrease-the-dry-weight-in-fluid-overloaded-hemodialysis-patients-a-randomized-controlled-trial
#14
Marlies Antlanger, Peter Josten, Michael Kammer, Isabella Exner, Katharina Lorenz-Turnheim, Manfred Eigner, Gernot Paul, Renate Klauser-Braun, Gere Sunder-Plassmann, Marcus D Säemann, Manfred Hecking
BACKGROUND: Because chronic fluid volume overload is associated with higher mortality, we tested whether blood-volume monitored regulation of ultrafiltration and dialysate conductivity (UCR) and/or regulation of ultrafiltration and temperature (UTR) would facilitate dry weight reduction, in comparison to conventional dialysis (CONV). METHODS: We carried out a multicenter, 4-week, randomized controlled trial in hemodialysis patients ≥15% above normal extracellular fluid volume (ECV), per bioimpedance spectroscopy, who were randomized 1:1:1...
July 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28715576/association-of-ozone-exposure-with-cardiorespiratory-pathophysiologic-mechanisms-in-healthy-adults
#15
Drew B Day, Jianbang Xiang, Jinhan Mo, Feng Li, Mingkei Chung, Jicheng Gong, Charles J Weschler, Pamela A Ohman-Strickland, Jan Sundell, Wenguo Weng, Yinping Zhang, Junfeng Jim Zhang
Importance: Exposure to ozone has been associated with cardiovascular mortality, but the underlying biological mechanisms are not yet understood. Objective: To examine the association between ozone exposure and cardiopulmonary pathophysiologic mechanisms. Design, Setting, and Participants: A longitudinal study involving 89 healthy adult participants living on a work campus in Changsha City, China, was conducted from December 1, 2014, to January 31, 2015...
July 17, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28715125/acute-alcohol-binge-deteriorates-metabolic-and-respiratory-compensation-capability-after-blunt-chest-trauma-followed-by-hemorrhagic-shock-a-new-research-model
#16
Nils Wagner, Niklas Franz, Scott Dieteren, Mario Perl, Katharina Mörs, Ingo Marzi, Borna Relja
BACKGROUND AND PURPOSE: The clinical relevance of blunt (thoracic) chest trauma (TxT) and hemorrhagic shock is indisputable due to the high prevalence of this injury type, as well as its close association with mortality and/or preventable deaths. Furthermore, there is an ongoing discussion about the influence of alcohol in trauma patients. Thus, we established a model of TxT followed by hemorrhagic shock and resuscitation (H/R) in alcohol-intoxicated rats. EXPERIMENTAL APPROACH: Depending on group allocation, twelve (sub-acute) or two (acute) hours before experimentation, the animals received a single oral dose of alcohol (ethanol, EtOH) or saline (NaCl) followed by TxT, hemorrhagic shock (35 ± 3 mm Hg) and resuscitation (TxT+H/R)...
July 17, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28713799/the-use-of-ambulatory-blood-pressure-monitoring-as-standard-of-care-in-pediatrics
#17
REVIEW
Caitlin G Peterson, Yosuke Miyashita
Hypertension (HTN) is a significant global health problem, responsible for 7.5 million deaths each year worldwide. The prevalence of HTN is increasing in the pediatric population likely attributed to the increase in childhood obesity. Recent work has also shown that blood pressure (BP) tends to track from childhood to adulthood including BP-related target organ damage. In the last 25-30 years, pediatric use of ambulatory blood pressure monitoring (ABPM) has been expanding mainly in the setting of initial elevated BP measurement evaluation, HTN therapy efficacy follow-up, and renal disease...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28713663/correlation-between-glycated-hemoglobin-and-triglyceride-level-in-type-2-diabetes-mellitus
#18
Syeda Naqvi, Shabnam Naveed, Zeeshan Ali, Syed Masroor Ahmad, Raad Asadullah Khan, Honey Raj, Shoaib Shariff, Chintan Rupareliya, Fatima Zahra, Saba Khan
CONTEXT: Dyslipidemia is quite prevalent in non-insulin dependent diabetes mellitus. Maintaining tight glycemic along with lipid control plays an essential role in preventing micro- and macro-vascular complications associated with diabetes. PURPOSE: The main purpose of the study was to highlight the relationship between glycosylated hemoglobin (HbA1c) and triglyceride levels. This may in turn help in predicting the triglyceride status of type 2 diabetics and therefore identifying patients at increased risk from cardiovascular events...
June 13, 2017: Curēus
https://www.readbyqxmd.com/read/28713639/a-prospective-nonrandomized-no-placebo-controlled-phase-i-ii-clinical-trial-assessing-the-safety-and-efficacy-of-intramuscular-injection-of-autologous-adipose-tissue-derived-mesenchymal-stem-cells-in-patients-with-severe-buerger-s-disease
#19
Jeong Chan Ra, Euicheol C Jeong, Sung Keun Kang, Seog Ju Lee, Kyoung Ho Choi
Buerger's disease is a rare and severe disease affecting the blood vessels of the limbs. Adipose tissue-derived mesenchymal stem cells (ADSCs) have the potential to cure Buerger's disease when developed as a stem cell drug. In the present study, we conducted a prospective, nonrandomized, no placebo-controlled, phase I/II clinical trial with a 2-year follow-up questionnaire survey. A total of 17 patients were intramuscularly administered autologous ADSCs at a dose of 5 million cells/kg. The incidence of adverse events (AEs), adverse drug reaction (ADR), and serious adverse events (SAEs) was monitored...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28713443/e-healthcare-for-diabetes-mellitus-type-2-patients-a-randomised-controlled-trial-in-slovenia
#20
Rade Iljaž, Andrej Brodnik, Tatjana Zrimec, Iztok Cukjati
BACKGROUND: Telemonitoring and web-based interventions are increasingly used in primary-care practices in many countries for more effective management of patients with diabetes mellitus (DM). A new approach in treating patients with diabetes mellitus in family practices, based on ICT use and nurse practitioners, has been introduced and evaluated in this study. METHOD: Fifteen Slovene family practices enrolled 120 DM patients treated only with a diet regime and/or tablets into the study...
September 2017: Zdravstveno Varstvo
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