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https://www.readbyqxmd.com/read/29276526/invasive-macrophytes-control-the-spatial-and-temporal-patterns-of-temperature-and-dissolved-oxygen-in-a-shallow-lake-a-proposed-feedback-mechanism-of-macrophyte-loss
#1
Maria P Vilas, Clelia L Marti, Matthew P Adams, Carolyn E Oldham, Matthew R Hipsey
Submerged macrophytes can have a profound effect on shallow lake ecosystems through their ability to modify the thermal structure and dissolved oxygen levels within the lake. Invasive macrophytes, in particular, can grow rapidly and induce thermal gradients in lakes that may substantially change the ecosystem structure and challenge the survival of aquatic organisms. We performed fine-scale measurements and 3D numerical modeling at high spatiotemporal resolution to assess the effect of the seasonal growth of Potamogeton crispus L...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29250341/results-of-hip-arthroscopy-in-patients-with-mri-diagnosis-of-subchondral-cysts-a-case-series
#2
David E Hartigan, Itay Perets, Leslie C Yuen, Benjamin G Domb
The aim of this article is to examine the results of arthroscopic management of patients with labral pathology who have preoperative magnetic resonance images (MRIs) demonstrating subchondral cysts. This institution's database was searched for patients who underwent hip arthroscopy and had subchondral cysts on MRI and >2-year follow-up. Exclusion criteria included previous hip surgery, Tönnis grade >1, inflammatory arthritis, Perthes, slipped capital femoral epiphysis or abductor repair. Patient-reported outcome (PRO) scores including visual analog scale, modified Harris hip score (mHHS), non-arthritic hip score and hip outcome score sports-specific subscale (HOS-SSS) were gathered preoperatively, at 3 months, and annually thereafter...
December 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29243312/duration-of-anaemia-during-the-first-week-of-life-is-an-independent-risk-factor-for-retinopathy-of-prematurity
#3
Pia Lundgren, Sam E Athikarisamy, Sanjay Patole, Geoffrey C Lam, Lois E Smith, Karen Simmer
AIM: This study evaluated the correlation between retinopathy of prematurity (ROP), anaemia and blood transfusions in extremely preterm infants. METHODS: We included 227 infants born below 28 weeks of gestation at King Edward Memorial Hospital, Perth, Australia, from 2014-2016. Birth characteristics and risk factors for ROP were retrieved and anaemia and severe anaemia were defined as a haemoglobins of <110 g/L and <80 g/L, respectively. Logistic regression was used for the analysis...
December 15, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29236126/-structural-damage-after-shoulder-dislocation-and-development-of-surgical-treatment-from-a-historical-perspective
#4
REVIEW
P Habermeyer, P Magosch
In the nineteenth century there was a high incidence of habitual shoulder instability caused by epileptic seizures and accompanied by therapeutic dilettantism, which led to socioeconomic problems in the working population. In the preradiography era the pathomechanism of shoulder dislocation was only known on the basis of cadaver studies and autopsy findings. The underlying structural disorders of habitual shoulder instability in the Bismarck era were published by Malgaigne, Broca and Hartmann. In1898 the first surgical reconstructive stabilization procedure for habitual shoulder dislocation was performed by Wilhelm Müller in Rostock...
December 13, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29229301/earlier-initiation-of-community-based-palliative-care-is-associated-with-fewer-unplanned-hospitalisations-and-emergency-department-presentations-in-the-final-months-of-life-a-population-based-study-amongst-cancer-decedents
#5
Cameron M Wright, David Youens, Rachael E Moorin
CONTEXT: While community-based palliative care (CPC) is associated with decreased acute care use in the lead up to death, it is unclear how the timing of CPC initiation affects this association. OBJECTIVES: We aimed to explore the association between timing of CPC initiation and hospital use, over the final 1, 3, 6 and 12 months of life. METHODS: We conducted a retrospective, population-based study in Perth, Western Australia. Linked administrative data including cancer registry, mortality, hospital admissions, emergency department (ED) and CPC records were obtained for cancer decedents from 1 January 2001 to 31 December 2011...
December 8, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29219855/determining-hinge-abduction-in-legg-calv%C3%A3-perthes-disease-can-we-reliably-make-the-diagnosis
#6
Benjamin J Shore, Patricia E Miller, Ira Zaltz, Perry L Schoenecker, Wudbhav N Sankar
BACKGROUND: Although hinge abduction is recognized as an important finding in children with Legg-Calvé-Perthes disease, variable diagnostic criteria exist. The purpose of this study was (1) to test the interobserver and intraobserver agreement of the current definition of hinge abduction and (2) to develop consensus regarding key diagnostic features that could be used to improve our diagnostic criteria. METHODS: Four orthopaedic surgeons with subspecialty pediatric hip interest independently assessed 30 randomly ordered cases of Legg-Calvé-Perthes disease...
December 6, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29215180/direct-and-indirect-costs-incurred-by-australian-living-kidney-donors
#7
Lianne Barnieh, John Kanellis, Stephen McDonald, Jennifer Arnold, Jessica M Sontrop, Meaghan Cuerden, Scott Klarenbach, Amit X Garg, Neil Boudville
AIM: To describe the direct and indirect costs incurred by Australian living kidney donors. METHODS: We studied 55 living kidney donors from 3 centres in Perth, Australia and 1 centre in Melbourne, Australia (2010-2014); 49 donors provided information on expenses incurred during the donor evaluation period and up to 3 months after donation. We used a micro-costing approach to measure and value the units of resources consumed. Expenses were grouped as direct costs (ground and air travel, accommodation, and prescription medications) and indirect costs (lost wages and lost productivity)...
December 7, 2017: Nephrology
https://www.readbyqxmd.com/read/29214846/the-assessment-of-emotional-reactivity-across-negative-and-positive-emotions-development-and-validation-of-the-perth-emotional-reactivity-scale-pers
#8
Rodrigo Becerra, David Preece, Guillermo Campitelli, Glen Scott-Pillow
The Perth Emotional Reactivity Scale (PERS) is a newly developed 30-item self-report measure of emotional reactivity (affective style). The PERS measures the typical ease of activation, intensity, and duration of one's emotional responses, and importantly does so for negative and positive emotions separately. We examined the psychometric properties of the PERS in an adult community sample ( N = 183). Confirmatory and exploratory factor analyses supported the capacity of the PERS to measure separate negative and positive reactivity factors, and to distinguish between the activation, intensity, and duration aspects of reactivity...
February 1, 2017: Assessment
https://www.readbyqxmd.com/read/29201291/long-term-results-of-modified-salter-innominate-osteotomy-for-legg-calv%C3%A3-perthes-disease
#9
Kyung Soon Park, Kyu Jin Cho, Hong Yeol Yang, Kamolhuja Eshnazarovich Eshnazarov, Taek Rim Yoon
Background: In a previous study, we reported clinical and radiographic results of our modified Salter innominate osteotomy technique in 16 hips affected by Legg-Calvé-Perthes disease (LCPD) with an average follow-up of 31.8 months. In this study, we present the long-term results of the osteotomy in LCPD patients followed until physeal closure. Methods: Thirty hips of 29 patients were followed until skeletal maturation after modified Salter innominate osteotomy...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29192936/outcomes-of-femoral-head-marrow-stimulation-techniques-at-minimum-2-year-follow-up
#10
David E Hartigan, Itay Perets, Edwin O Chaharbakhshi, John P Walsh, Leslie C Yuen, Benjamin G Domb
This study compared patients who underwent femoral head microfracture with a control group of patients who did not require microfracture. Patients had more than 2 years of follow-up. The patient groups had similar demographic and radiographic features, including sex, age within 5 years, body mass index within 5 points, equal Tönnis grade, lateral center edge angle within 5°, labral treatment, and capsular closure vs release. Inclusion criteria were a minimum of 2 years of follow-up, Outerbridge grade IV cartilage damage, and femoral head marrow stimulation technique performed at the time of arthroscopy...
November 30, 2017: Orthopedics
https://www.readbyqxmd.com/read/29192726/outcomes-in-patients-with-late-sequelae-healed-stage-of-legg-calv%C3%A3-perthes-disease-undergoing-arthroscopic-treatment-retrospective-case-series
#11
Woo-Yong Lee, Deuk-Soo Hwang, Yong-Chan Ha, Pil-Sung Kim, Long Zheng
INTRODUCTION: The residual hip deformities after Legg-Calvé-Perthes disease (LCPD) cause mechanical symptoms and are associated with a pathomechanical environment that can feature femoroacetabular impingement (FAI).The aim of this study is to evaluate the clinical and radiological outcomes in residual or healed LCPD after arthroscopic treatment. PATIENTS AND METHODS: We retrospectively reviewed patients with LCPD amongst patients with FAI who underwent arthroscopic treatment between January 2009 and June 2013...
December 1, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29182124/hip-preservation-surgery-for-adolescents-and-young-adults-with-post-perthes-sequelae
#12
M A Eid
BACKGROUND: Impingement ensures a narrow arc of pathologic loading in adolescent hips with sequelae of Perthes Disease. Proper surgical interference when the hip is still in the pre-arthritic stage restores function and protects the young hip from early degenerative changes. METHODS: Osteochondroplasty at the femoral head-neck junction and relative lengthening of the femoral neck by distal transfer of the greater trochanter was performed for 12 adolescents with combined intra-articular/extra-articular impingement due to sequelae of Perthes disease in terms of coxa magna, coxa plana, coxa brevis, with an overriding greater trochanter...
December 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29181581/evaluation-of-femoral-head-viability-via-bone-scintigraphy-in-the-postoperative-pediatric-patient
#13
Ashishkumar K Parikh, Eleby R Washington, Adam J Bobbey, Stephanie E Spottswood
BACKGROUND: Evaluating postoperative patients with hardware is challenging following surgical intervention for hip maladies such as femoral neck fractures and slipped capital femoral epiphysis (SCFE). These children are at increased risk of developing avascular necrosis, and imaging may be requested to confirm or exclude this diagnosis. Children with Legg-Calvé-Perthes disease can be monitored for restoration of blood flow to the capital femoral epiphysis to guide management and help with prognosis...
November 27, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29180456/body-mass-index-and-vascular-disease-in-men-aged-65%C3%A2-years-and-over-hims-health-in-men-study
#14
Ben Lacey, Bu B Yeap, Jonathan Golledge, Sarah Lewington, Kieran A McCaul, Paul E Norman, Leon Flicker, Osvaldo P Almeida, Graeme J Hankey
BACKGROUND: Understanding the relationship between body mass index (BMI) and vascular disease at older age has become increasingly important in the many countries where both average age and BMI are rising. METHODS AND RESULTS: In this prospective cohort study, 12 203 men (aged ≥65) were recruited in 1996-1999 from the general population in Perth, Australia. To limit reverse causality, analyses excluded those with past vascular disease and the first 4 years of follow-up...
November 27, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29178482/hierarchical-multi-taxa-models-inform-riparian-vs-hydrologic-restoration-of-urban-streams-in-a-permeable-landscape
#15
Daniel C Gwinn, Jennifer Middleton, Leah Beesley, Paul Close, Belinda Quinton, Tim Storer, Peter M Davies
The degradation of streams caused by urbanization tends to follow predictable patterns; however, there is a growing appreciation for heterogeneity in stream response to urbanization due to the local geoclimatic context. Furthermore, there is building evidence that streams in mildly sloped, permeable landscapes respond uncharacteristically to urban stress calling for a more nuanced approach to restoration. We evaluated the relative influence of local-scale riparian characteristics and catchment-scale imperviousness on the macroinvertebrate assemblages of streams in the flat, permeable urban landscape of Perth, Western Australia...
November 25, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29168589/time-to-delivery-transfers-for-threatened-preterm-labour-and-prelabour-rupture-of-membranes-in-western-australia
#16
Jade Hollingworth, Rachel Pietsch, Mathias Epee-Bekima, Elizabeth Nathan
OBJECTIVE: To describe the outcomes of patients transferred to King Edward Memorial Hospital (KEMH) with signs of labour at preterm gestations. DESIGN: A retrospective observational study of the 69 cases transferred to KEMH during 2015. SETTING: Patient transfers from all locations across Western Australia (WA) to the sole tertiary perinatal centre in Perth. PARTICIPANTS: Pregnant women within WA with threatened or actual preterm labour (PTL) or preterm prelabour rupture of membranes (PPROM) between 23 and 32 weeks gestation...
November 23, 2017: Australian Journal of Rural Health
https://www.readbyqxmd.com/read/29168558/outcomes-in-women-undergoing-robotic-assisted-laparoscopic-hysterectomy-compared-to-conventional-laparoscopic-hysterectomy-at-a-tertiary-hospital-in-western-australia
#17
Vinita A Rajadurai, Jason Tan, Stuart G Salfinger, Paul A Cohen
BACKGROUND: Robotic-assisted laparoscopic hysterectomy (RALH) is associated with improved outcomes compared to open surgery in patients with endometrial cancer but data are conflicting when comparing RALH to conventional total laparoscopic hysterectomy (TLH). In October 2014, a RALH program was established in Perth, Western Australia. AIM: To compare outcomes in patients undergoing RALH with a matched cohort undergoing TLH. MATERIALS AND METHODS: A retrospective matched cohort study compared outcomes in 45 patients who underwent RALH with 45 controls who were patients treated with TLH...
November 23, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29164098/the-highs-and-lows-of-making-a-bucket-list-quantifying-potential-mosquito-breeding-habitats-in-metropolitan-backyards
#18
Ram Sharan Lamichhane, Peter J Neville, Jacques Oosthuizen, Kim Clark, Samir Mainali, Maria Fatouros, Shelley Beatty
While the development of land for residential housing along the Swan and Canning Rivers in Perth, WA, Australia has reduced natural mosquito breeding sites, the role of backyard container breeding remains a relatively unknown factor. Local Governments responsible for these areas focus management and control efforts on low lying, tidally driven mosquito habitats to control Aedes vigilax (Skuse) and Aedes camptorhynchus (Thomson) mosquitoes in an effort to reduce both the nuisance and disease risk to residents...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/29157629/mri-appearance-in-the-early-stage-of-legg-calv%C3%A3-perthes-disease-to-predict-lateral-pillar-classification-a-retrospective-analysis-of-the-labral-horizontalization
#19
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
BACKGROUND: The Herring lateral pillar classification is widely used for the classification of Legg-Calvé-Perthes disease, but is not applied at the early stage of Legg-Calvé-Perthes disease because it is typically applied at the late fragmentation stage. The purpose of this study was to investigate the correlation between the early appearance on magnetic resonance imaging of the acetabular labrum and lateral pillar involvement in Legg-Calvé-Perthes disease. METHODS: Non-contrast magnetic resonance images of 26 hips in 25 children with early-stage Legg-Calvé-Perthes disease were retrospectively reviewed...
November 17, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29155969/reducing-barriers-to-consulting-a-general-practitioner-in-patients-at-increased-risk-of-lung-cancer-a-qualitative-evaluation-of-the-chest-australia-intervention
#20
Sonya R Murray, Yvonne Kutzer, Emily Habgood, Peter Murchie, Fiona M Walter, Danielle Mazza, Shaouli Shahid, Jon D Emery
Background: Lung cancer has one of the lowest survival outcomes of any cancer because over two-thirds of patients are diagnosed when curative treatment is no longer possible, partly due to later presentation with symptoms to a healthcare provider. Objective: To explore the theoretical underpinning of the Scottish CHEST intervention in participants randomized to the intervention group within the CHEST Australia trial. Methods: A purposive maximum variation sample of participants who received the intervention in the CHEST trial in Perth, Western Australia (N = 13) and Melbourne, Victoria, (N = 7) were interviewed...
November 16, 2017: Family Practice
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