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Neel Shah

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https://www.readbyqxmd.com/read/29028800/spatial-distribution-of-extensively-drug-resistant-tuberculosis-xdr-tb-patients-in-kwazulu-natal-south-africa
#1
Thandi Kapwata, Natashia Morris, Angela Campbell, Thuli Mthiyane, Primrose Mpangase, Kristin N Nelson, Salim Allana, James C M Brust, Pravi Moodley, Koleka Mlisana, Neel R Gandhi, N Sarita Shah
BACKGROUND: KwaZulu-Natal province, South Africa, has among the highest burden of XDR TB worldwide with the majority of cases occurring due to transmission. Poor access to health facilities can be a barrier to timely diagnosis and treatment of TB, which can contribute to ongoing transmission. We sought to determine the geographic distribution of XDR TB patients and proximity to health facilities in KwaZulu-Natal. METHODS: We recruited adults and children with XDR TB diagnosed in KwaZulu-Natal...
2017: PloS One
https://www.readbyqxmd.com/read/28939455/neurocognitive-dysfunction-in-hematopoietic-cell-transplant-recipients-expert-review-from-the-late-effects-and-quality-of-life-working-committee-of-the-cibmtr-and-complications-and-quality-of-life-working-party-of-the-ebmt
#2
REVIEW
Debra Lynch Kelly, David Buchbinder, Rafael F Duarte, Jeffrey J Auletta, Neel Bhatt, Michael Byrne, Melissa Gabriel, Anuj Mahindra, Maxim Norkin, Helene Schoemans, Ami J Shah, Ibrahim Ahmed, Yoshiko Atsuta, Grzegorz W Basak, Sara Beattie, Sita Bhella, Christopher Bredeson, Nancy Bunin, Jignesh Dalal, Andrew Daly, James Gajewski, Robert Peter Gale, John Galvin, Mehdi Hamadani, Robert J Hayashi, Kehinde Adekola, Jason Law, Catherine J Lee, Jane Liesveld, Adriana K Malone, Arnon Nagler, Seema Naik, Taiga Nishihori, Susan K Parsons, Angela Scherwath, Hannah-Lise Schofield, Robert Soiffer, Jeff Szer, Ida Twist, Anne Warwick, Baldeep M Wirk, Jean Yi, Minoo Battiwalla, Mary E Flowers, Bipin Savani, Bronwen E Shaw
Hematopoietic cell transplantation (HCT) is a potentially curative treatment for children and adults with malignant and non-malignant diseases. Despite increasing survival rates, long-term morbidity following HCT is substantial. Neurocognitive dysfunction is a serious cause of morbidity, yet little is known about neurocognitive dysfunction following HCT. To address this gap, collaborative efforts of the Center for International Blood and Marrow Transplant Research and the European Society for Blood and Marrow Transplantation undertook an expert review of neurocognitive dysfunction following HCT...
September 19, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28891793/regulation-of-the-glucocorticoid-receptor-via-a-bet-dependent-enhancer-drives-antiandrogen-resistance-in-prostate-cancer
#3
Neel Shah, Ping Wang, John Wongvipat, Wouter R Karthaus, Wassim Abida, Joshua Armenia, Shira Rockowitz, Yotam Drier, Bradley E Bernstein, Henry W Long, Matthew L Freedman, Vivek K Arora, Deyou Zheng, Charles L Sawyers
In prostate cancer, resistance to the antiandrogen enzalutamide (Enz) can occur through bypass of androgen receptor (AR) blockade by the glucocorticoid receptor (GR). In contrast to fixed genomic alterations, here we show that GR-mediated antiandrogen resistance is adaptive and reversible due to regulation of GR expression by a tissue-specific enhancer. GR expression is silenced in prostate cancer by a combination of AR binding and EZH2-mediated repression at the GR locus, but is restored in advanced prostate cancers upon reversion of both repressive signals...
September 11, 2017: ELife
https://www.readbyqxmd.com/read/28871456/queueing-theoretic-analysis-of-labor-and-delivery-understanding-management-styles-and-c-section-rates
#4
Matthew Gombolay, Toni Golen, Neel Shah, Julie Shah
Childbirth is a complex clinical service requiring the coordinated support of highly trained healthcare professionals as well as management of a finite set of critical resources (such as staff and beds) to provide safe care. The mode of delivery (vaginal delivery or cesarean section) has a significant effect on labor and delivery resource needs. Further, resource management decisions may impact the amount of time a physician or nurse is able to spend with any given patient. In this work, we employ queueing theory to model one year of transactional patient information at a tertiary care center in Boston, Massachusetts...
September 4, 2017: Health Care Management Science
https://www.readbyqxmd.com/read/28793157/association-of-previous-cesarean-delivery-with-surgical-complications-after-a-hysterectomy-later-in-life
#5
Sofie A I Lindquist, Neel Shah, Charlotte Overgaard, Christian Torp-Pedersen, Karin Glavind, Thomas Larsen, Avery Plough, Grace Galvin, Aage Knudsen
Importance: In recent decades, the global rates of cesarean delivery have rapidly increased. Nonetheless, the influence of cesarean deliveries on surgical complications later in life has been understudied. Objective: To investigate whether previous cesarean delivery increases the risk of reoperation, perioperative and postoperative complications, and blood transfusion when undergoing a hysterectomy later in life. Design, Setting, and Participants: This registry-based cohort study used data from Danish nationwide registers on all women who gave birth for the first time between January 1, 1993, and December 31, 2012, and underwent a benign, nongravid hysterectomy between January 1, 1996, and December 31, 2012...
August 9, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28728882/variation-in-the-cost-of-5-common-operations-in-the-united-states
#6
COMPARATIVE STUDY
Elliot Wakeam, George Molina, Neel Shah, Stuart R Lipsitz, David C Chang, Atul A Gawande, Alex B Haynes
BACKGROUND: Health care costs are an important policy focus in the United States. The magnitude and drivers of variation in the costs of common operative procedures are not well understood. We sought to characterize variation in costs across hospitals. METHODS: We used data from the Nationwide Inpatient Sample from 2001-2011 for 5 elective operations: colectomy, coronary artery bypass graft, total knee arthroplasty, cesarean section, and lung resection. Hospitals were benchmarked for each using hierarchical risk- and reliability-adjustment methods to generate an observed-to-expected cost ratio, which was adjusted for patient demographics, comorbidity, wage index, and procedure complexity...
September 2017: Surgery
https://www.readbyqxmd.com/read/28700743/polymorphisms-in-the-vitamin-d-receptor-gene-are-associated-with-reduced-rate-of-sputum-culture-conversion-in-multidrug-resistant-tuberculosis-patients-in-south-africa
#7
Matthew J Magee, Yan V Sun, James C M Brust, N Sarita Shah, Yuming Ning, Salim Allana, Angela Campbell, Qin Hui, Koleka Mlisana, Pravi Moodley, Neel R Gandhi
BACKGROUND: Vitamin D modulates the inflammatory and immune response to tuberculosis (TB) and also mediates the induction of the antimicrobial peptide cathelicidin. Deficiency of 25-hydroxyvitamin D and single nucleotide polymorphisms (SNPs) in the vitamin D receptor (VDR) gene may increase the risk of TB disease and decrease culture conversion rates in drug susceptible TB. Whether these VDR SNPs are found in African populations or impact multidrug-resistant (MDR) TB treatment has not been established...
2017: PloS One
https://www.readbyqxmd.com/read/28697107/relationship-between-labor-and-delivery-unit-management-practices-and-maternal-outcomes
#8
REVIEW
Avery C Plough, Grace Galvin, Zhonghe Li, Stuart R Lipsitz, Shehnaz Alidina, Natalie J Henrich, Lisa R Hirschhorn, William R Berry, Atul A Gawande, Doris Peter, Rory McDonald, Donna L Caldwell, Janet H Muri, Debra Bingham, Aaron B Caughey, Eugene R Declercq, Neel T Shah
OBJECTIVE: To define, measure, and characterize key competencies of managing labor and delivery units in the United States and assess the associations between unit management and maternal outcomes. METHODS: We developed and administered a management measurement instrument using structured telephone interviews with both the primary nurse and physician managers at 53 diverse hospitals across the United States. A trained interviewer scored the managers' interview responses based on management practices that ranged from most reactive (lowest scores) to most proactive (highest scores)...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28686159/deconstruction-of-the-ras-switching-cycle-through-saturation-mutagenesis
#9
Pradeep Bandaru, Neel H Shah, Moitrayee Bhattacharyya, John P Barton, Yasushi Kondo, Joshua C Cofsky, Christine L Gee, Arup K Chakraborty, Tanja Kortemme, Rama Ranganathan, John Kuriyan
Ras proteins are highly conserved signaling molecules that exhibit regulated, nucleotide-dependent switching between active and inactive states. The high conservation of Ras requires mechanistic explanation, especially given the general mutational tolerance of proteins. Here, we use deep mutational scanning, biochemical analysis and molecular simulations to understand constraints on Ras sequence. Ras exhibits global sensitivity to mutation when regulated by a GTPase activating protein and a nucleotide exchange factor...
July 7, 2017: ELife
https://www.readbyqxmd.com/read/28680904/risk-factors-associated-with-outpatient-parenteral-antibiotic-therapy-program-failure-among-intravenous-drug-users
#10
Deanna J Buehrle, Ryan K Shields, Neel Shah, Christopher Shoff, Kathleen Sheridan
Sixty-one percent of intravenous drug users (IVDUs) who received outpatient parenteral antibiotic therapy (OPAT) failed treatment. Hospital readmission and adverse drug reactions occurred in 25%. By multivariate analysis, time since last IVDU was associated with failure (P = .04). Intravenous drug users requiring OPAT are at high risk for failure; additional studies are needed to explore alternatives.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28614298/erf-mutations-reveal-a-balance-of-ets-factors-controlling-prostate-oncogenesis
#11
Rohit Bose, Wouter R Karthaus, Joshua Armenia, Wassim Abida, Phillip J Iaquinta, Zeda Zhang, John Wongvipat, Elizabeth V Wasmuth, Neel Shah, Patrick S Sullivan, Michael G Doran, Ping Wang, Anna Patruno, Yilin Zhao, Deyou Zheng, Nikolaus Schultz, Charles L Sawyers
Half of all prostate cancers are caused by the TMPRSS2-ERG gene-fusion, which enables androgens to drive expression of the normally silent E26 transformation-specific (ETS) transcription factor ERG in prostate cells. Recent genomic landscape studies of such cancers have reported recurrent point mutations and focal deletions of another ETS member, the ETS2 repressor factor ERF. Here we show these ERF mutations cause decreased protein stability and mostly occur in tumours without ERG upregulation. ERF loss recapitulates the morphological and phenotypic features of ERG gain in normal mouse prostate cells, including expansion of the androgen receptor transcriptional repertoire, and ERF has tumour suppressor activity in the same genetic background of Pten loss that yields oncogenic activity by ERG...
June 29, 2017: Nature
https://www.readbyqxmd.com/read/28549612/variation-in-cesarean-birth-rates-by-labor-and-delivery-nurses
#12
Joyce K Edmonds, Michele O'Hara, Sean P Clarke, Neel Shah
OBJECTIVE: To examine variation in the cesarean birth rates of women cared for by labor and delivery nurses. DESIGN: Retrospective cohort study. SETTING: One high-volume labor and delivery unit at an academic medical center in a major metropolitan area. PARTICIPANTS: Labor and delivery nurses who cared for nulliparous women who gave birth to term, singleton fetuses in vertex presentation. METHODS: Data were extracted from electronic hospital birth records from January 1, 2013 through June 30, 2015...
May 23, 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/28540148/clinical-and-microbiological-characteristics-of-bacteroides-prosthetic-joint-infections
#13
Neel Shah, Douglas Osmon, Aaron J Tande, James Steckelberg, Rafael Sierra, Randall Walker, Elie F Berbari
Clinical and microbiological characteristics of patients with Bacteroides prosthetic joint infection (PJI) have not been well described in the literature. The aim of this retrospective cohort study was to assess the outcome of patients with Bacteroides PJI and to review risk factors associated with failure of therapy. Between 1/1969 and 12/2012, 20 episodes of Bacteroides PJI in 17 patients were identified at our institution. The mean age of the patients in this cohort at the time of diagnosis was 55.6 years; 59% (n=10) had knee involvement...
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/28334585/uptake-and-utilization-of-practice-guidelines-in-hospitals-in-the-united-states-the-case-of-routine-episiotomy
#14
Katy B Kozhimannil, Pinar Karaca-Mandic, Cori J Blauer-Peterson, Neel T Shah, Jonathan M Snowden
BACKGROUND: The gap between publishing and implementing guidelines differs based on practice setting, including hospital geography and teaching status. On March 31, 2006, a Practice Bulletin published by the American College of Obstetricians and Gynecologists (ACOG) recommended against the routine use of episiotomy and urged clinicians to make judicious decisions to restrict the use of the procedure. OBJECTIVE: This study investigated changes in trends of episiotomy use before and after the ACOG Practice Guideline was issued in 2006, focusing on differences by hospital geographic location (rural/urban) and teaching status...
January 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334563/quality-improvement-initiatives-lead-to-reduction-in-nulliparous-term-singleton-vertex-cesarean-delivery-rate
#15
Mary A Vadnais, Michele R Hacker, Neel T Shah, JoAnn Jordan, Anna M Modest, Molly Siegel, Toni H Golen
BACKGROUND: The nulliparous term singleton vertex (NTSV) cesarean delivery rate has been recognized as a meaningful benchmark. Variation in the NTSV cesarean delivery rate among hospitals and providers suggests many hospitals may be able to safely improve their rates. The NTSV cesarean delivery rate at the authors' institution was higher than state and national averages. This study was conducted to determine the influence of a set of quality improvement interventions on the NTSV cesarean delivery rate...
February 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28286165/disparate-domains-cryptogenic-invasive-klebsiella-pneumoniae-liver-abscess-syndrome
#16
Jacquelyn R Sink, William A Pasculle, Neel B Shah, Emanuel N Vergis
No abstract text is available yet for this article.
June 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28278205/complement-effectors-c5a-and-c3a-in-cystic-fibrosis-lung-fluid-correlate-with-disease-severity
#17
Pamela S Hair, Laura A Sass, Turaj Vazifedan, Tushar A Shah, Neel K Krishna, Kenji M Cunnion
In cystic fibrosis (CF), lung damage is mediated by a cycle of obstruction, infection, inflammation and tissue destruction. The complement system is a major mediator of inflammation for many diseases with the effectors C5a and C3a often playing important roles. We have previously shown in a small pilot study that CF sputum soluble fraction concentrations of C5a and C3a were associated with clinical measures of CF disease. Here we report a much larger study of 34 CF subjects providing 169 testable sputum samples allowing longitudinal evaluation comparing C5a and C3a with clinical markers...
2017: PloS One
https://www.readbyqxmd.com/read/28249664/the-eyes-are-useless-when-the-mind-is%C3%A2-blind-a-rare-case-of-anton-babinski-syndrome-in-hepatic-encephalopathy
#18
Sanlly Perez-Ceballos, Francisco T Fernandez-Rodriguez, Neel Shah, Priyanka Wani-Parekh, Lyan Gondin-Hernandez, Jose L Gonzalez-Martinez, Mateo Porres-Muñoz, Mateo Porres-Aguilar
No abstract text is available yet for this article.
February 26, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28221108/pnca-gene-mutations-associated-with-pyrazinamide-resistance-in-drug-resistant-tuberculosis-south-africa-and-georgia
#19
Salim Allana, Elena Shashkina, Barun Mathema, Nino Bablishvili, Nestani Tukvadze, N Sarita Shah, Russell R Kempker, Henry M Blumberg, Pravi Moodley, Koleka Mlisana, James C M Brust, Neel R Gandhi
Although pyrazinamide is commonly used for tuberculosis treatment, drug-susceptibility testing is not routinely available. We found polymorphisms in the pncA gene for 70% of multidrug-resistant and 96% of extensively drug-resistant Mycobacterium tuberculosis isolates from South Africa and Georgia. Assessment of pyrazinamide susceptibility may be prudent before using it in regimens for drug-resistant tuberculosis.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28124390/how-do-pregnant-women-use-quality-measures-when-choosing-their-obstetric-provider
#20
Rebecca A Gourevitch, Ateev Mehrotra, Grace Galvin, Melinda Karp, Avery Plough, Neel T Shah
BACKGROUND: Given increased public reporting of the wide variation in hospital obstetric quality, we sought to understand how women incorporate quality measures into their selection of an obstetric hospital. METHODS: We surveyed 6141 women through Ovia Pregnancy, an application used by women to track their pregnancy. We used t tests and chi-square tests to compare response patterns by age, parity, and risk status. RESULTS: Most respondents (73...
June 2017: Birth
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