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volume outcome relationship

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https://www.readbyqxmd.com/read/27919022/hippocampus-and-amygdala-volume-in-relation-to-migraine-frequency-and-prognosis
#1
Hung-Yu Liu, Kun-Hsien Chou, Pei-Lin Lee, Jong-Ling Fuh, David M Niddam, Kuan-Lin Lai, Fu-Jung Hsiao, Yung-Yang Lin, Wei-Ta Chen, Shuu-Jiun Wang, Ching-Po Lin
OBJECTIVES: To investigate the structural changes of hippocampus and amygdala and their relationships with migraine frequency and prognosis. METHODS: Hippocampus and amygdala volumes were measured by 3-T brain magnetic resonance imaging (MRI) in 31 controls and 122 migraine patients who were categorized into eight groups by headache frequency: group 1 (1-2 headache days/month), 2 (3-4), 3 (5-7), 4 (8-10), 5 (11-14), 6 (15-19), 7 (20-24), and 8 (25-30). Headache frequency was reassessed 2 years later and a frequency reduction ≥50% was regarded a good outcome...
November 14, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27915378/mother-infant-interactions-and-regional-brain-volumes-in-infancy-an-mri-study
#2
Vaheshta Sethna, Inês Pote, Siying Wang, Maria Gudbrandsen, Anna Blasi, Caroline McCusker, Eileen Daly, Emily Perry, Kerrie P H Adams, Maria Kuklisova-Murgasova, Paula Busuulwa, Sarah Lloyd-Fox, Lynne Murray, Mark H Johnson, Steven C R Williams, Declan G M Murphy, Michael C Craig, Grainne M McAlonan
It is generally agreed that the human brain is responsive to environmental influences, and that the male brain may be particularly sensitive to early adversity. However, this is largely based on retrospective studies of older children and adolescents exposed to extreme environments in childhood. Less is understood about how normative variations in parent-child interactions are associated with the development of the infant brain in typical settings. To address this, we used magnetic resonance imaging to investigate the relationship between observational measures of mother-infant interactions and regional brain volumes in a community sample of 3- to 6-month-old infants (N = 39)...
December 3, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27909838/erratum-to-impact-of-varied-center-volume-categories-on-volume-outcome-relationship-in-children-receiving-ecmo-for-heart-operations
#3
Mallikarjuna Rettiganti, Paul M Seib, Michael J Robertson, Andrew Wilcox, Punkaj Gupta
No abstract text is available yet for this article.
December 1, 2016: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/27906808/the-accuracy-of-large-loop-excision-of-the-transformation-zone-specimen-dimensions-in-determining-volume-a-multicentric-prospective-observational-study
#4
Xavier Carcopino, Julien Mancini, Walter Prendiville, Jean Gondry, Julien Chevreau, Gery Lamblin, Anthony Atallah, Vincent Lavoue, Claire Caradec, Jean-Jacques Baldauf, Angélique Bryand, Sébastien Henno, Aubert Agostini, Serge Douvier, Adelaide Jarniat, Didier Riethmuller, Anne Mendel, Jean-Luc Brun, Hajanarina Rakotomahenina, Lise Preaubert
OBJECTIVE: The aim of the study was to determine which mathematical formula of specimen dimensions is the most accurate method of determining volume of the excised specimen at loop excision of the transformation zone. MATERIALS AND METHODS: A multicenter prospective observational study was conducted. A total of 258 patients who had a loop excision of the transformation zone performed as treatment of cervical intraepithelial neoplasia 2-3 were included. The dimensions and the volume of the specimen were measured at the time of the procedure, before formaldehyde fixation...
November 30, 2016: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/27905691/is-volume-important-in-aneurysm-treatment-outcome
#5
Athanasios Katsargyris, Chris Klonaris, Eric L Verhoeven
Several studies have suggested that surgical procedures performed at high-volume centers may result in superior outcome. Technically more demanding procedures such as aortic aneurysm repair appear to demonstrate a stronger relationship with volume. The present chapter reviewed the literature using the MEDLINE database to identify studies investigating the effect of volume in aortic aneurysm repair outcomes. The great majority of studies identified shows an advantage for high-volume hospitals with regard to perioperative mortality of abdominal (AAA), thoracic (TAA) and thoracoabdominal (TAAA) aortic aneurysm repair...
December 1, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27904222/functional-and-computed-tomography-correlation-of-femoral-and-tibial-tunnels-in-single-bundle-anterior-cruciate-ligament-reconstruction-use-of-accessory-anteromedial-portal
#6
Naveen Joseph Mathai, Rajkumar S Amaravathi, K V Pavan, Padmanabhan Sekaran, Gaurav Sharma, Belliappa Codanda
BACKGROUND: An accessory anteromedial portal (AAMP) has been shown to be effective in placing an anatomically ideal femoral tunnel. It is well known that this is due to the independent femoral drilling which is possible with the AAMP. However very little is known regarding the significance of this reconstruction technique in influencing the functional outcomes of anatomic anterior cruciate ligament reconstruction (ACLR). This study documents the influence of tibial and femoral tunnel positions on functional outcomes of anatomic ACLR using the AAMP...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27900019/the-relationship-between-tumor-volume-changes-and-serial-plasma-osteopontin-detection-during-radical-radiotherapy-of-non-small-cell-lung-cancer
#7
Christian Ostheimer, Franziska Schweyer, Thomas Reese, Matthias Bache, Dirk Vordermark
The prognostic quality of increased osteopontin (OPN) plasma levels has been demonstrated for the chemotherapy and surgery of lung cancer. There is also evidence in the literature that tumor volume impacts prognosis in definitive radiotherapy (RT) of (lung) cancer. We previously demonstrated that elevated plasma levels of OPN before, and increasing OPN plasma levels after RT significantly correlate with survival and outcome after curative-intent RT of non-small-cell lung cancer (NSCLC). Tumor volume was also associated with prognosis...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899141/relationship-between-surgeon-volume-and-outcomes-a-systematic-review-of-systematic-reviews
#8
Johannes Morche, Tim Mathes, Dawid Pieper
BACKGROUND: The surgeon volume-outcome relationship has been discussed for many years and its existence or nonexistence is of importance for various reasons. A lot of empirical work has been published on it. We aimed to summarize systematic reviews in order to present current evidence. METHODS: Medline, Embase, Cochrane database of systematic reviews (CDSR), and health technology assessment websites were searched up to October 2015 for systematic reviews on the surgeon volume-outcome relationship...
November 29, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27896936/health-related-quality-of-life-and-adherence-to-hydroxyurea-in-adolescents-and-young-adults-with-sickle-cell-disease
#9
Sherif M Badawy, Alexis A Thompson, Jin-Shei Lai, Frank J Penedo, Karen Rychlik, Robert I Liem
BACKGROUND: Complications related to sickle cell disease (SCD) result in significant declines in health-related quality of life (HRQOL). While hydroxyurea reduces SCD complications, adherence remains suboptimal. The study's objectives were to assess the feasibility of Internet-based electronic assessment of HRQOL in SCD clinic and to examine the relationship between HRQOL and hydroxyurea adherence in adolescents and young adults (AYAs) with SCD. PROCEDURE: A cross-sectional survey was administered on tablets to 34 AYAs (12-22 years old) in a SCD clinic from January through December 2015...
November 28, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27894794/fluid-therapy-options-and-rational-selection
#10
REVIEW
Christopher G Byers
Administration of appropriate types and volumes of parenteral fluids is of paramount importance when treating sick and debilitated patients, especially those fighting critical illness. Fluid selection and accurate calculations must be performed logically and accurately to maximize positive outcomes. Knowledge of fluid types, as well as the complex relationship of the body's fluid compartments, helps clinicians develop rational fluid therapy plans for their patients.
November 25, 2016: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27893969/hospital-characteristics-and-favourable-neurological-outcome-among-patients-with-out-of-hospital-cardiac-arrest-in-osaka-japan
#11
Tasuku Matsuyama, Kosuke Kiyohara, Tetsuhisa Kitamura, Chika Nishiyama, Tatsuya Nishiuchi, Yasuyuki Hayashi, Takashi Kawamura, Bon Ohta, Taku Iwami
OBJECTIVE: To assess the association between favourable neurological outcome and hospital characteristics such as hospital volume and number of critical care centres (CCMCs) after out-of-hospital cardiac arrest (OHCA). METHODS: This retrospective, population-based observational study conducted in Osaka Prefecture, Japan included adult patients with OHCA, aged ≥18 years who were transported to acute care hospitals between January 2005 and December 2012. We divided acute care hospitals into CCMCs or non-CCMCs, the latter of which were divided into the following three groups according to the annual average number of transported OHCA cases: low-volume (≤10 cases), middle-volume (11-39 cases), and high-volume (≥40 cases) groups...
November 25, 2016: Resuscitation
https://www.readbyqxmd.com/read/27882640/physiological-markers-of-exercise-capacity-and-lung-disease-severity-in-cystic-fibrosis
#12
Laurie Smith, Charles C Reilly, Victoria MacBean, Caroline J Jolley, Caroline Elston, John Moxham, Gerrard F Rafferty
BACKGROUND AND OBJECTIVE: Peak aerobic capacity (VO2 peak) is an important outcome measure in cystic fibrosis (CF), but measurement is not widely available and can be influenced by patient motivation, pain and fatigue. Alternative markers of disease severity would be helpful. Neural respiratory drive, measured using parasternal intercostal muscle electromyography (EMGpara), reflects the load to capacity balance of the respiratory system and provides a composite measure of pulmonary function impairment in CF...
November 24, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27871683/perioperative-support-not-volume-is-necessary-to-optimize-outcomes-in-surgical-management-of-necrotizing-enterocolitis
#13
Adrienne N Cobb, Yee M Wong, Sarah A Brownlee, Barbara A Blanco, Yoshiki Ezure, Heather N Paddock, Paul C Kuo, Anai N Kothari
BACKGROUND: This study examines the relationship between hospital volume of surgical cases for necrotizing enterocolitis (NEC) and patient outcomes. METHODS: A retrospective cross-sectional review was performed using the HCUP SID for California from 2007 to 2011. Patients with NEC who underwent surgery were identified using ICD-9CM codes. Risk-adjusted models were constructed with mixed-effects logistic regression using patient and demographic covariates. RESULTS: 23 hospitals with 618 patients undergoing NEC-related surgical intervention were included...
November 9, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27869633/should-only-the-highest-volume-surgeons-and-centers-be-doing-primary-total-knee-arthroplasty-commentary-on-an-article-by-sean-wilson-ba-et-al-meaningful-thresholds-for-the-volume-outcome-relationship-in-total-knee-arthroplasty
#14
https://www.readbyqxmd.com/read/27869618/meaningful-thresholds-for-the-volume-outcome-relationship-in-total-knee-arthroplasty
#15
Sean Wilson, Robert G Marx, Ting-Jung Pan, Stephen Lyman
BACKGROUND: Increasing evidence supports the finding that patients undergoing a total knee arthroplasty with high-volume physicians and hospitals achieve better outcomes. Unfortunately, the existing definitions for high-volume surgeons and hospitals are highly variable and entirely arbitrary. The aim of this study was to identify a set of meaningful hospital and surgeon total knee arthroplasty volume thresholds. METHODS: Using 289,976 patients undergoing primary total knee arthroplasty from an administrative database, we applied stratum-specific likelihood ratio (SSLR) analysis of a receiver operating characteristic (ROC) curve to generate sets of volume thresholds most predictive of adverse outcomes...
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27864186/does-industry-driven-alcohol-marketing-influence-adolescent-drinking-behaviour-a-systematic-review
#16
REVIEW
Stephanie Scott, Colin Muirhead, Janet Shucksmith, Rachel Tyrrell, Eileen Kaner
AIM: To systematically review evidence on the influence of specific marketing components (Price, Promotion, Product attributes and Place of sale/availability) on key drinking outcomes (initiation, continuation, frequency and intensity) in young people aged 9-17. METHODS: MEDLINE, EMBASE, SCOPUS, PsychINFO, CINAHL and ProQuest were searched from inception to July 2015, supplemented with searches of Google Scholar, hand searches of key journals and backward and forward citation searches of reference lists of identified papers...
November 17, 2016: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/27861746/effect-of-hospital-volume-on-processes-of-breast-cancer-care-a-national-cancer-data-base-study
#17
Tina W F Yen, Liliana E Pezzin, Jianing Li, Rodney Sparapani, Purushuttom W Laud, Ann B Nattinger
BACKGROUND: The purpose of this study was to examine variations in delivery of several breast cancer processes of care that are correlated with lower mortality and disease recurrence, and to determine the extent to which hospital volume explains this variation. METHODS: Women who were diagnosed with stage I-III unilateral breast cancer between 2007 and 2011 were identified within the National Cancer Database. Multiple logistic regression models were developed to determine whether hospital volume was independently associated with each of 10 individual process of care measures addressing diagnosis and treatment, and 2 composite measures assessing appropriateness of systemic treatment (chemotherapy and hormonal therapy) and locoregional treatment (margin status and radiation therapy)...
November 8, 2016: Cancer
https://www.readbyqxmd.com/read/27857921/appropriate-cement-volume-in-vertebroplasty-a-multivariate-analysis-with-short-term-follow-up
#18
Hyun Mook Kwon, Sang Pyung Lee, Jin Wook Baek, Seong Hwan Kim
OBJECTIVE: The optimal threshold of the infusion volume of cement has been a continuous subject in percutaneous vertebroplasty (PVP). This study verifies a causal relationship between the cement volume and the clinical outcome, and suggests the parameters of the appropriate volume of cement in PVP. METHODS: This is a retrospective study. One hundred nine patients, who underwent PVP between 2012 and 2015, were included in the study. Various factors such as patients' fracture levels, fracture types, fracture body volumes, fracture rates, bone mineral densities, and infused cement volumes were analyzed...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27856168/procedure-volume-and-the-association-with-short-term-mortality-following-abdominal-aortic-aneurysm-repair-in-european-populations-a-systematic-review
#19
REVIEW
P Phillips, E Poku, M Essat, H B Woods, E A Goka, E C Kaltenthaler, S Walters, P Shackley, J Michaels
OBJECTIVE: To evaluate the relationship between the volume of abdominal aortic aneurysm (AAA) procedures undertaken and the primary outcome of mortality in Europe. Previous systematic reviews of this relationship are outdated and are overwhelmingly based on US data. DATA SOURCES: Comprehensive searching within MEDLINE and other bibliographic databases supplemented by citation searching and hand-searching of journals was undertaken to identify studies that reported the effect of hospital or clinician volume on any reported outcomes in adult, European populations, undergoing AAA repair and published in the last 10 years...
November 14, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27846633/variations-in-thalamic-anatomy-affect-targeting-in-deep-brain-stimulation-for-epilepsy
#20
Chengyuan Wu, Pierre-François D'Haese, Srivatsan Pallavaram, Benoit M Dawant, Peter Konrad, Ashwini D Sharan
BACKGROUND: Thalamic size and shape vary significantly across patients - with changes specific to the anterior thalamus occurring with age and in the setting of chronic epilepsy. Such ambiguity raises concerns regarding electrode position and potential implications for seizure outcomes. METHODS: MRIs from 6 patients from a single center underwent quantitative analysis. In addition to direct measurements from postimplantation MRIs, the CRAnialVault Explorer suite was used to normalize electrode position to a common reference system...
November 16, 2016: Stereotactic and Functional Neurosurgery
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