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https://www.readbyqxmd.com/read/28927213/ten-step-minimally-invasive-spine-lumbar-decompression-and-dural-repair-through-tubular-retractors
#1
Mohamed Abdelatif Boukebir, Connor David Berlin, Rodrigo Navarro-Ramirez, Tim Heiland, Karsten Schöller, Cameron Rawanduzy, Sertaç Kirnaz, Ajit Jada, Roger Härtl
BACKGROUND: Minimally invasive spine (MIS) surgery utilizing tubular retractors has become an increasingly popular approach for decompression in the lumbar spine. However, a better understanding of appropriate indications, efficacious surgical techniques, limitations, and complication management is required to effectively teach the procedure and to facilitate the learning curve. OBJECTIVE: To describe our experience and recommendations regarding tubular surgery for lumbar disc herniations, foraminal compression with unilateral radiculopathy, lumbar spinal stenosis, synovial cysts, and dural repair...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28926969/cardiovascular-activity-of-the-chemical-constituents-of-essential-oils
#2
REVIEW
Tadeu Uggere de Andrade, Girlandia Alexandre Brasil, Denise Coutinho Endringer, Flávio Rogério da Nóbrega, Damião Pergentino de Sousa
Cardiovascular diseases are a leading cause of death in developed and developing countries and decrease the quality of life, which has enormous social and economic consequences for the population. Recent studies on essential oils have attracted attention and encouraged continued research of this group of natural products because of their effects on the cardiovascular system. The pharmacological data indicate a therapeutic potential for essential oils for use in the treatment of cardiovascular diseases. Therefore, this review reports the current studies of essential oils chemical constituents with cardiovascular activity, including a description of their mechanisms of action...
September 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926952/medium-access-control-protocols-for-cognitive-radio-ad-hoc-networks-a-survey
#3
REVIEW
Mahdi Zareei, A K M Muzahidul Islam, Sabariah Baharun, Cesar Vargas-Rosales, Leyre Azpilicueta, Nafees Mansoor
New wireless network paradigms will demand higher spectrum use and availability to cope with emerging data-hungry devices. Traditional static spectrum allocation policies cause spectrum scarcity, and new paradigms such as Cognitive Radio (CR) and new protocols and techniques need to be developed in order to have efficient spectrum usage. Medium Access Control (MAC) protocols are accountable for recognizing free spectrum, scheduling available resources and coordinating the coexistence of heterogeneous systems and users...
September 16, 2017: Sensors
https://www.readbyqxmd.com/read/28926830/a-distinctive-ictal-amplitude-integrated-electroencephalography-pattern-in-newborns-with-neonatal-epilepsy-associated-with-kcnq2-mutations
#4
Ana Vilan, José Mendes Ribeiro, Pasquale Striano, Sarah Weckhuysen, Lauren C Weeke, Eva Brilstra, Linda S de Vries, Maria Roberta Cilio
BACKGROUND: Recurrent and prolonged seizures are harmful for the developing brain, emphasizing the importance of early seizure recognition and effective therapy. Amplitude-integrated electroencephalography (aEEG) has become a valuable tool to diagnose epileptic seizures, and, in parallel, genetic etiologies are increasingly being recognized, changing the paradigm of the workup and management of neonatal seizures. OBJECTIVE: To report the ictal aEEG pattern in neonates with KCNQ2-related epilepsy...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28926762/progesterone-for-smoking-relapse-prevention-following-delivery-a-pilot-randomized-double-blind-study
#5
Ariadna Forray, Kathryn Gilstad-Hayden, Cristine Suppies, Debra Bogen, Mehmet Sofuoglu, Kimberly A Yonkers
INTRODUCTION: Close to half of women who were smokers prior to conception quit smoking in pregnancy, when endogenous progesterone levels are high. However, at least half resume pre-pregnancy smoking levels within weeks after delivery and when progesterone levels drop. The current pilot study tested the feasibility and preliminary efficacy of postpartum progesterone replacement in preventing relapse to smoking in postpartum women with a history of pre-pregnancy smoking. METHODS: This was an 8-week, double-blind, parallel, randomized, placebo-controlled pilot trial of 41 women with a history of pre-pregnancy smoking who achieved abstinence by 32 weeks of gestation...
September 14, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28926754/training-needs-analysis-the-essential-first-step-for-continuing-professional-development-design
#6
Kathryn Holloway, Kerri Arcus, Georgina Orsborn
Nursing services are expected to be dynamic in response to changing health care needs. This expectation requires the purposeful and effective development of nursing workforce capability through continuing professional development (CPD). An evidence based approach to training needs analysis (TNA) is a highly recommended yet often missing first step in designing a CPD strategy for service improvement. This study used the Hicks-Hennessey questionnaire, a validated TNA tool to inform regional educational commissioning to meet the aims of a community social sector trial (SST) project...
September 5, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28926751/collaboration-of-midwives-in-primary-care-midwifery-practices-with-other-maternity-care-providers
#7
J Catja Warmelink, Therese A Wiegers, T Paul de Cock, Trudy Klomp, Eileen K Hutton
BACKGROUND: Inter-professional collaboration is considered essential in effective maternity care. National projects are being undertaken to enhance inter-professional relationships and improve communication between all maternity care providers in order to improve the quality of maternity care in the Netherlands. However, little is known about primary care midwives' satisfaction with collaboration with other maternity care providers, such as general practitioners, maternity care assistance organisations (MCAO), maternity care assistants (MCA), obstetricians, clinical midwives and paediatricians...
September 6, 2017: Midwifery
https://www.readbyqxmd.com/read/28926675/personal-technology-use-and-thwarted-belongingness-among-suicidal-active-duty-military-personnel
#8
Samantha A Chalker, Katherine Anne Comtois
This study (a) provides descriptive information about the personal technology use of a suicide sample of active-duty military personnel and (b) uses a traditional and a technology-based measure of social connectedness to examine their relation to suicide ideation and behaviors. Higher thwarted belongingness, and therefore lower perceived social connectedness, was associated with higher current and worst suicide ideation and a greater lifetime self-directed violence regardless of intent to die. Higher social connectedness based on personal technology usage was associated with higher current suicide ideation and a higher number of lifetime self-directed violence and suicide attempts...
September 19, 2017: Suicide & Life-threatening Behavior
https://www.readbyqxmd.com/read/28926564/probabilistic-models-for-neural-populations-that-naturally-capture-global-coupling-and-criticality
#9
Jan Humplik, Gašper Tkačik
Advances in multi-unit recordings pave the way for statistical modeling of activity patterns in large neural populations. Recent studies have shown that the summed activity of all neurons strongly shapes the population response. A separate recent finding has been that neural populations also exhibit criticality, an anomalously large dynamic range for the probabilities of different population activity patterns. Motivated by these two observations, we introduce a class of probabilistic models which takes into account the prior knowledge that the neural population could be globally coupled and close to critical...
September 19, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28926501/moral-distress-and-associated-factors-among-baccalaureate-nursing-students-a-multisite-descriptive-study
#10
Lorretta Krautscheid, Deborah A DeMeester, Valorie Orton, Austin Smith, Conor Livingston, Susan M McLennon
AIM: The three study aims were to assess moral distress among senior baccalaureate nursing students, describe ethical dilemmas contributing to their moral distress in practice settings, and identify reasons for inaction when encountering dilemmas. BACKGROUND: Previous studies have linked postlicensure nurses' moral distress to compassion fatigue, frustration, and turnover. Little is known about this phenomenon in students. METHOD: This study employed a descriptive cross-sectional survey design to measure moral distress and reasons for not taking action across three academic sites (N = 267)...
September 19, 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/28926392/flexible-adult-acquired-flatfoot-deformity-comparison-between-weight-bearing-and-non-weight-bearing-measurements-using-cone-beam-computed-tomography
#11
Cesar de Cesar Netto, Lew C Schon, Gaurav K Thawait, Lucas Furtado da Fonseca, Apisan Chinanuvathana, Wojciech B Zbijewski, Jeffrey H Siewerdsen, Shadpour Demehri
BACKGROUND: The 3-dimensional nature of adult acquired flatfoot deformity can be challenging to characterize using radiographs. We tested the hypothesis that measurements on weight-bearing (WB) cone-beam computed tomography (CT) images were more useful for demonstrating the severity of the deformity than non-weight-bearing (NWB) measurements. METHODS: We prospectively enrolled 12 men and 8 women (mean age, 52 years; range, 20 to 88 years) with flexible adult acquired flatfoot deformity...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926387/magnetic-resonance-guided-focused-ultrasound-versus-conventional-radiation-therapy-for-painful-bone-metastasis-a-matched-pair-study
#12
Hsin-Lun Lee, Chia-Chun Kuo, Jo-Ting Tsai, Chun-You Chen, Meng-Huang Wu, Jeng-Fong Chiou
BACKGROUND: Magnetic resonance-guided focused ultrasound (MRgFUS) is an alternative local therapy for patients with painful bone metastasis for whom standard conventional radiation therapy (RT) has failed. However, the therapeutic effects of MRgFUS as a first-line treatment for bone metastasis remain uncertain. METHODS: A matched-pair study was conducted to compare the therapeutic effects of MRgFUS with those of conventional RT as a first-line treatment for patients with painful bone metastasis...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926386/effect-of-vascular-injury-on-functional-outcome-in-knees-with-multi-ligament-injury-a-matched-cohort-analysis
#13
Thomas L Sanders, Nicholas R Johnson, Nathan M Levy, Peter A Cole, Aaron J Krych, Michael Stuart, Bruce A Levy
BACKGROUND: Multi-ligament knee injury (MLKI) associated with knee dislocation can result in vascular injury. The purpose of this study was to compare knee function after MLKI between patients with a vascular injury requiring popliteal artery bypass grafting and patients without vascular involvement. Additionally, factors associated with poor knee function in patients who had MLKI with vascular injury were evaluated. METHODS: This retrospective study identified patients with an MLKI between 1992 and 2014...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926385/graduation-protocol-after-growing-rod-treatment-removal-of-implants-without-new-instrumentation-is-not-a-realistic-approach
#14
Ismail Aykut Kocyigit, Z Deniz Olgun, H Gokhan Demirkiran, Mehmet Ayvaz, Muharrem Yazici
BACKGROUND: The growing rod remains an effective option in the treatment of early-onset scoliosis, and has previously been likened to an internal brace. While details of growing-rod treatment have been largely agreed on, the appropriate end point remains a matter of controversy. A decision was made in 2004, at the beginning of growing-rod treatment at our institution, to remove longitudinal instrumentation when the period of lengthening concluded and, similar to discontinuing a brace, leave the spine free...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926384/effect-of-surgeon-and-hospital-volume-on-morbidity-and-mortality-after-hip-fracture
#15
Kanu Okike, Priscilla H Chan, Elizabeth W Paxton
BACKGROUND: Prior studies have examined the relationship between surgeon and hospital volumes and outcome following hip fracture surgical procedures, but the results have been inconclusive. The purpose of this study was to assess the hip fracture volume-outcome relationship by analyzing data from a large, managed care registry. METHODS: The Kaiser Permanente Hip Fracture Registry prospectively records information on surgically treated hip fractures within the managed health-care system...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926383/mri-findings-in-patients-after-small-head-metal-on-metal-total-hip-arthroplasty-with-a-minimum-follow-up-of-10-years
#16
Tobias Reiner, Thuy D Do, Matthias C Klot, Fabian Hertzsch, Kirsten Seelmann, Matthias M Gaida, Marc-André Weber, Tobias Gotterbarm
BACKGROUND: Concern has been raised about the late onset of adverse reactions to metal debris (ARMD) in patients with a small-head metal-on-metal total hip replacement. The aims of this study were to assess the frequency and characteristic appearance of ARMD in patients with a small-head (28-mm) metal-on-metal total hip replacement and elevated blood ion levels (>1 μg/L) after a minimum follow-up of 10 years and to analyze the possible risk factors associated with the prevalence of these lesions...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926382/blood-metal-ion-thresholds-to-identify-patients-with-metal-on-metal-hip-implants-at-risk-of-adverse-reactions-to-metal-debris-an-external-multicenter-validation-study-of-birmingham-hip-resurfacing-and-corail-pinnacle-implants
#17
Gulraj S Matharu, Fiona Berryman, Andrew Judge, Aleksi Reito, Jamie McConnell, Olli Lainiala, Stephen Young, Antti Eskelinen, Hemant G Pandit, David W Murray
BACKGROUND: The authors of recent studies have reported newly devised implant-specific blood metal ion thresholds to predict adverse reactions to metal debris (ARMD) in patients who have undergone unilateral or bilateral metal-on-metal (MoM) hip arthroplasty. These thresholds were most effective for identifying patients at low risk of ARMD. We investigated whether these newly devised blood metal ion thresholds could effectively identify patients at risk of ARMD after MoM hip arthroplasty in an external cohort of patients...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926381/total-elbow-arthroplasty-for-distal-humeral-fractures-a-ten-year-minimum-follow-up-study
#18
Raul Barco, Philipp N Streubel, Bernard F Morrey, Joaquin Sanchez-Sotelo
BACKGROUND: Total elbow arthroplasty is commonly considered for elderly patients with comminuted distal humeral fractures. Satisfactory short-term outcomes have been reported, but long-term outcomes are unknown. Our purpose was to assess the long-term outcomes of total elbow arthroplasty after distal humeral fracture and to determine differences between elbows with or without inflammatory arthritis at the time of fracture. METHODS: Forty-four total elbow arthroplasties were performed after distal humeral fracture; those patients were followed for a minimum of 10 years and were evaluated with regard to pain, motion, Mayo Elbow Performance Scores, complications, and reoperations...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926380/osseointegrated-transtibial-implants-in-patients-with-peripheral-vascular-disease-a-multicenter-case-series-of-5-patients-with-1-year-follow-up
#19
Robin Atallah, Jiao Jiao Li, William Lu, Ruud Leijendekkers, Jan Paul Frölke, Munjed Al Muderis
BACKGROUND: Osseointegration is an alternative treatment for amputees who are unable to wear or have difficulty wearing a socket prosthesis. Although the majority of limb amputations are due to vascular disease, such amputations have been perceived as a contraindication to osseointegration surgery. We report the outcomes of osseointegrated reconstruction in a series of 5 patients with limb amputation due to peripheral vascular disease. METHODS: Five patients with transtibial amputation and a history of peripheral vascular disease who received an osseointegration implant from 2014 to 2015 were followed for 12 months...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926379/tendon-length-calf-muscle-atrophy-and-strength-deficit-after-acute-achilles-tendon-rupture-long-term-follow-up-of-patients-in-a-previous-study
#20
Juuso Heikkinen, Iikka Lantto, Juuso Piilonen, Tapio Flinkkilä, Pasi Ohtonen, Pertti Siira, Vesa Laine, Jaakko Niinimäki, Ari Pajala, Juhana Leppilahti
BACKGROUND: In this prospective study, we used magnetic resonance imaging (MRI) to assess long-term Achilles tendon length, calf muscle volume, and muscle fatty degeneration after surgery for acute Achilles tendon rupture. METHODS: From 1998 to 2001, 60 patients at our center underwent surgery for acute Achilles tendon rupture followed by early functional postoperative rehabilitation. Fifty-five patients were reexamined after a minimum duration of follow-up of 13 years (mean, 14 years), and 52 of them were included in the present study...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
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