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volume outcome relationship

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https://www.readbyqxmd.com/read/29053070/relationship-between-patient-safety-indicator-events-and-comprehensive-stroke-center-volume-status-in-the-treatment-of-unruptured-cerebral-aneurysms
#1
Chad W Washington, L Ian Taylor, Robert J Dambrino, Paul R Clark, Gregory J Zipfel
OBJECTIVE The Agency of Healthcare Research and Quality (AHRQ) has defined Patient Safety Indicators (PSIs) for assessments in quality of inpatient care. The hypothesis of this study is that, in the treatment of unruptured cerebral aneurysms (UCAs), PSI events are less likely to occur in hospitals meeting the volume thresholds defined by The Joint Commission for Comprehensive Stroke Center (CSC) certification. METHODS Using the 2002-2011 National (Nationwide) Inpatient Sample, patients treated electively for a nonruptured cerebral aneurysm were selected...
October 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29051976/late-gadolinium-enhancement-on-cardiac-magnetic-resonance-imaging-is-associated-with-coronary-endothelial-dysfunction-in-patients-with-dilated-cardiomyopathy
#2
Mina Nakayama, Megumi Yamamuro, Seiji Takashio, Tomoaki Uemura, Naoki Nakayama, Kyoko Hirakawa, Seitaro Oda, Daisuke Utsunomiya, Koichi Kaikita, Seiji Hokimoto, Yasuyuki Yamashita, Yukiko Morita, Kazuo Kimura, Kouichi Tamura, Kenichi Tsujita
Myocardial fibrosis and coronary endothelial dysfunction are important determinants of outcome in patients with heart failure. However, the relationship of these factors in patients with dilated cardiomyopathy (DCM) is not fully understood. This study aimed to investigate the relationship between endothelium-dependent coronary vasomotor abnormality and late gadolinium enhancement (LGE) on cardiac magnetic resonance imaging (CMR) in patients with DCM. We examined 38 consecutive patients with DCM. All patients underwent CMR and the acetylcholine (ACh) provocation test using cardiac catheterization...
October 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29051398/relationship-between-postoperative-complications-and-survival-after-gastrectomy-for-cancer
#3
Paolo Del Rio, Emiliano Bernuzzi, Elisa Bertocchi, Lorenzo Viani, Federico Cozzani, Chiara Montana
BACKGROUND: Surgical resection remains the main curative treatment for gastric cancer but is still affected by high postoperative morbidity and mortality rates, especially in Western countries. MATERIALS AND METHODS: We've analyzed patients treated for gastric cancer at our Operative Unit of ent, extent of lymphadenectomy and survival. General Surgery and Organ Transplantation of the University Hospital of Parma from January 2006 till December 2010, relating the occurrence of eventual complications to sex, age at diagnosis, definitive histological examination, type and duration of surgical treatment...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29046927/fdg-pet-ct-radiomics-for-predicting-the-outcome-of-locally-advanced-rectal-cancer
#4
Pierre Lovinfosse, Marc Polus, Daniel Van Daele, Philippe Martinive, Frédéric Daenen, Mathieu Hatt, Dimitris Visvikis, Benjamin Koopmansch, Frédéric Lambert, Carla Coimbra, Laurence Seidel, Adelin Albert, Philippe Delvenne, Roland Hustinx
PURPOSE: The aim of this study was to investigate the prognostic value of baseline (18)F-FDG PET/CT textural analysis in locally-advanced rectal cancer (LARC). METHODS: Eighty-six patients with LARC underwent (18)F-FDG PET/CT before treatment. Maximum and mean standard uptake values (SUVmax and SUVmean), metabolic tumoral volume (MTV), total lesion glycolysis (TLG), histogram-intensity features, as well as 11 local and regional textural features, were evaluated...
October 18, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29045596/the-relationship-between-cardiovascular-magnetic-resonance-imaging-measurement-of-extracellular-volume-fraction-and-clinical-outcomes-in-adults-with-repaired-tetralogy-of-fallot
#5
Kate Hanneman, Andrew M Crean, Bernd J Wintersperger, Paaladinesh Thavendiranathan, Elsie T Nguyen, Camilla Kayedpour, Rachel M Wald
Aims: Our aims were to explore cardiac magnetic resonance quantification of myocardial extracellular volume (ECV) in adults with repaired tetralogy of Fallot (rTOF) when compared with healthy controls and to investigate the association between ECV and major adverse cardiovascular outcomes. Methods and results: We prospectively recruited adults with rTOF (n = 44, 59% male, 32.9 ± 13.6 years) and evaluated right ventricular (RV) and left ventricular (LV) ECV by pre/post-gadolinium T1 measurements (modified Look-Locker inversion recovery technique) on a 1...
October 17, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29044631/frailty-hospital-volume-and-failure-to-rescue-after-head-and-neck-cancer-surgery
#6
Carrie L Nieman, C Matthew Stewart, David W Eisele, Peter J Pronovost, Christine G Gourin
OBJECTIVES/HYPOTHESIS: We previously reported that high-volume hospital head and neck cancer (HNCA) surgical care is associated with decreased mortality, largely explained by reduced rates of failure to rescue. Frailty is an independent predictor of mortality, but is significantly less likely in patients receiving high-volume care. We investigate whether differences in frailty rates explain the relationship between volume and outcomes in HNCA patients and whether frailty confounds the relationship between failure to rescue and mortality...
October 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29043479/altered-auditory-and-vestibular-functioning-in-individuals-with-low-bone-mineral-density-a-systematic-review
#7
REVIEW
Niraj Kumar Singh, Raghav Hira Jha, Aditi Gargeshwari, Prawin Kumar
Alteration in the process of bone remodelling is associated with falls and fractures due to increased bone fragility and altered calcium functioning. The auditory system consists of skeletal structures and is, therefore, prone to getting affected by altered bone remodelling. In addition, the vestibule consists of huge volumes of calcium (CaCO3) in the form of otoconia crystals and alteration in functioning calcium levels could, therefore, result in vestibular symptoms. Thus, the present study aimed at compiling information from various studies on assessment of auditory or vestibular systems in individuals with reduced bone mineral density (BMD)...
October 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29042898/prediction-of-treatment-response-to-donepezil-using-automated-hippocampal-subfields-volumes-segmentation-in-patients-with-mild-alzheimer-s-disease
#8
Yoo Hyun Um, Tae-Won Kim, Jong-Hyun Jeong, Ho-Jun Seo, Jin-Hee Han, Seung-Chul Hong, Chang-Uk Lee, Hyun Kook Lim
Previous studies reported some relationships between donepezil treatment and hippocampus in Alzheimer's disease (AD). However, due to methodological limitations, their close relationships remain unclear. The aim of this study is to predict treatment response to donepezil by utilizing the automated segmentation of hippocampal subfields volumes (ASHS) in AD. Sixty four AD patients were prescribed with donepezil and were followed up for 24 weeks. Cognitive function was measured to assess whether there was a response from the donepezil treatment...
September 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/29042780/frequencies-of-circulating-b-and-t-lymphocytes-as-indicators-for-stroke-outcomes
#9
Yanling Wang, Jihong Liu, Xuemei Wang, Zongjian Liu, Fengwu Li, Fenghua Chen, Xiaokun Geng, Zhili Ji, Huishan Du, Xiaoming Hu
BACKGROUND: Stroke has high mortality and morbidity. Biomarkers are required for to predict stroke outcomes, which could help clinicians to provide rationale approaches for patient management. The dynamic changes in circulating immune cells have been reported in stroke patients and animal models of stroke. AIM: The aim of this study was to explore biomarkers to predict stroke outcomes by investigating the relationship between the frequencies of circulating immune cells and stroke outcomes...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29040638/low-serum-progesterone-on-the-day-of-embryo-transfer-is-associated-with-a-diminished-ongoing-pregnancy-rate-in-oocyte-donation-cycles-after-artificial-endometrial-preparation-a-prospective-study
#10
E Labarta, G Mariani, N Holtmann, P Celada, J Remohí, E Bosch
STUDY QUESTION: Is there a relationship between serum progesterone (P) and endometrial volume on the day of embryo transfer (ET) with ongoing pregnancy rate (OPR) in artificial endometrium preparation cycles? SUMMARY ANSWER: Patients with serum P < 9.2 ng/ml on the day of ET had a significantly lower OPR but endometrial volume was not related with OPR. WHAT IS KNOWN ALREADY: A window of optimal serum P levels during the embryo implantation period has been described in artificial endometrium preparation cycles...
October 13, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29040130/volume-outcome-relationship-in-surgical-interventions-for-spinal-metastases
#11
Andrew J Schoenfeld, Marco L Ferrone, Daniel J Sturgeon, Mitchel B Harris
BACKGROUND: Surgery for spinal metastases is challenging and carries a high risk of perioperative morbidity and mortality. Procedures with such characteristics often exhibit a volume-outcome relationship. This has not been previously characterized for spinal metastasis surgery to our knowledge. METHODS: The Florida State Inpatient Database (2011 through 2014) was queried to identify patients who had undergone surgery for spinal metastases. Surgeon and hospital surgical volumes were compared with 90-day complication and readmission rates to develop procedural cut-points used to define high and low-volume providers...
October 18, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29039053/health-care-institutions-volume-is-significantly-associated-with-postoperative-outcomes-in-bariatric-surgery
#12
Laurent Brunaud, Stephanie Polazzi, Jean-Christophe Lifante, Lea Pascal, David Nocca, Antoine Duclos
PURPOSE: The volume of bariatric surgery has significantly increased over the past decade with concomitant postoperative outcomes improvement. The goal of this nationwide study was to estimate the volume-outcome relationship in bariatric surgery at the hospital level. MATERIALS AND METHODS: A cross-sectional analysis of all patients who underwent bariatric surgery procedure in France from January 2011 to December 2014 was designed. Volume-outcome relationship was analyzed using generalized estimating equations...
October 16, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29036824/alzheimer-s-disease-biomarkers-and-future-decline-in-cognitive-normal-older-adults
#13
Julien Dumurgier, Bernard J Hanseeuw, Frances B Hatling, Kelly A Judge, Aaron P Schultz, Jasmeer P Chhatwal, Deborah Blacker, Reisa A Sperling, Keith A Johnson, Bradley T Hyman, Teresa Gómez-Isla
BACKGROUND: Identifying older adults at risk of cognitive decline represents a challenge as Alzheimer's disease (AD) modifying therapies move toward preclinical stages. OBJECTIVE: To investigate the relationship between AD biomarkers and subsequent change in cognition in a cohort of cognitively intact older adults. METHODS: 84 cognitively normal subjects (mean age 72.0 years, 59% women) were recruited through the Massachusetts Alzheimer's Disease Research Center and the Harvard Aging Brain Study and followed over 3 years...
October 12, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29030318/the-association-between-mortality-and-distance-to-treatment-facility-in-patients-with-muscle-invasive-bladder-cancer
#14
Stephen Ryan, Emily C Serrell, Patrick Karabon, Gregory Mills, Moritz Hansen, Matthew Hayn, Mani Menon, Quoc-Dien Trinh, Firas Abdollah, Jesse D Sammon
PURPOSE: Regionalization of bladder cancer treatment is suggested to improve quality of care. As an unintended consequence, some patients travel farther for care with unknown implications on outcomes. We characterize the relationship between distance and overall mortality in patients with invasive bladder cancer and those who undergo radical cystectomy. METHODS: We performed a retrospective cohort study using the National Cancer Database (2004-2012) to identify patients with muscle invasive bladder cancer (cT2a-T4 N0 M0); a sub-group of radical cystectomy patients was extracted...
October 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29030021/hypoxic-volume-evaluated-by-18-f-fluoromisonidazole-positron-emission-tomography-fmiso-pet-may-be-a-prognostic-factor-in-patients-with-oral-squamous-cell-carcinoma-preliminary-analyses
#15
J Sato, Y Kitagawa, S Watanabe, T Asaka, N Ohga, K Hirata, T Shiga, A Satoh, N Tamaki
Tumour hypoxia can be detected by (18)F-fluoromisonidazole positron emission tomography (FMISO-PET). Few studies have assessed the relationships of new PET parameters, including hypoxic volume (HV), metabolic tumour volume (MTV), and total lesion glycolysis (TLG), with 5-year survival of patients treated surgically for oral squamous cell carcinoma (OSCC). This study evaluated the relationships between these PET parameters and 5-year survival in OSCC patients. Twenty-three patients (age 42-84 years; 15 male, eight female) with OSCC underwent FMISO- and (18)F-fluoro-2-deoxyglucose (FDG)-PET computed tomography before surgery...
October 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29025099/dutch-surgeons-views-on-the-volume-outcome-mechanism-in-surgery-a-qualitative-interview-study
#16
R Mesman, M J Faber, G P Westert, H J J M Berden
Objective: To contribute to a better understanding of volume-outcome relationships in surgery by exploring Dutch surgeons' views on the underlying mechanism. Design: A qualitative study based on face-to-face semi structured interviews and an inductive content analysis approach. Setting: Interviews were conducted in eight hospitals in the Netherlands (2 university, 4 teaching and 2 general). Participants: Twenty surgeons (gastrointestinal, vascular and trauma)...
August 9, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/29023527/dose-escalated-radiotherapy-for-unresectable-or-locally-recurrent-pancreatic-cancer-dose-volume-analysis-toxicity-and-outcome-of-28-consecutive-patients
#17
Sebastian Zschaeck, Bibiana Blümke, Peter Wust, David Kaul, Marcus Bahra, Hanno Riess, Fritz Klein, Marianne Sinn, Uwe Pelzer, Volker Budach, Pirus Ghadjar
PURPOSE: The role of radiotherapy for unresectable pancreatic cancer is controversial. A benefit of additional radiotherapy is supported by some observations. A dose-effect relationship was recently found by dose escalation employing image guided and intensity modulated radiotherapy. METHODS: We retrospectively evaluated 28 consecutive patients, all with history of extensive prior therapies for unresectable locally advanced/ recurrent pancreatic cancer (LAPC/LRPC)...
2017: PloS One
https://www.readbyqxmd.com/read/29022275/volume-for-muscle-hypertrophy-and-health-outcomes-the-most-effective-variable-in-resistance-training
#18
Vandré Casagrande Figueiredo, Belmiro Freitas de Salles, Gabriel S Trajano
Resistance training is the most effective method to increase muscle mass. It has also been shown to promote many health benefits. Although it is deemed safe and of clinical relevance for treating and preventing a vast number of diseases, a time-efficient and minimal dose of exercise has been the focus of a great number of research studies. Similarly, an inverted U-shaped relationship between training dose/volume and physiological response has been hypothesized to exist. However, the majority of available evidence supports a clear dose-response relationship between resistance training volume and physiological responses, such as muscle hypertrophy and health outcomes...
October 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29021113/association-between-alcohol-consumption-and-injection-and-sexual-risk-behaviors-among-people-who-inject-drugs-in-rural-puerto-rico
#19
Melissa Welch-Lazoritz, Dane Hautala, Patrick Habecker, Kirk Dombrowski
Although alcohol use has been associated with risky behavior generally, the relationship between alcohol use and multiple types of risk behaviors that could lead to the acquisition and transmission of HIV and hepatitis C (HCV) among people who inject drugs (PWID) has not been fully examined. The current study seeks to contribute to the understanding of how alcohol use is related to both injection risk and sexual risk, among a non-treatment, cross-sectional sample of mostly male PWID in rural Puerto Rico (n=315)...
November 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/29016783/high-circulating-adiponectin-level-is-associated-with-poor-clinical-outcome-after-catheter-ablation-for-paroxysmal-atrial-fibrillation
#20
Tae-Hoon Kim, Jihei Sara Lee, Jae-Sun Uhm, Boyoung Joung, Moon-Hyoung Lee, Hui-Nam Pak
Aims: Circulating adiponectin is known to have anti-diabetic, anti-atherogenic, and anti-inflammatory properties. However, the predictive value of adiponectin in cardiovascular disease has been reported to be contradictory ('adiponectin paradox') and its relationship with atrial fibrillation (AF) is controversial. We hypothesized that pre-procedural plasma level of adiponectin would have prognostic value in patients who underwent AF catheter ablation. Methods and results: This observational cohort study included 874 patients with paroxysmal AF (PAF) (73...
July 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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