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Onwuameze OE, Dhat S, Chakrabarty A, Kulys R, Bennett J, Lee K, Soltys S. The impact of a psychosocial program on clinical outcomes for severe psychiatric disorders. Ann Clin Psychiatry 2019; 30:271-279. [PMID: 30372504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
BACKGROUND This retrospective study evaluated the impact of a psychosocial program on individuals with severe and chronic psychiatric disorders. This study also examined potential modifiable predictors of hospitalization. METHODS The sample was comprised of 94 individuals with severe and chronic mental illness who were followed in the Community Support Network (CSN), a psychosocial program. Data from initial assessment at admission to the CSN were compared with the last assessment after admission, during data abstraction. Data were analyzed using analysis of variance for hospitalization, accommodation (housing), and employment, and the logistic regression procedure was used to analyze the relationship among potential modifiable clinical independent variables and hospitalization. RESULTS Admission to CSN significantly reduced hospitalization rates. Presence of psychotic symptoms increased the likelihood of hospitalization, and the use of support groups, antidepressants, and mood stabilizers decreased the risk for hospitalization. CONCLUSIONS Our findings suggest that CSN reduced hospitalization rates as well as increased employment, and the switch from the Assertive Community Treatment program to the Community Support Team program in 2007 did not change this effect. The overall significant reduction in psychiatric symptoms could explain these positive findings.
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Yasova Barbeau D, Krueger C, Huene M, Copenhaver N, Bennett J, Weaver M, Weiss MD. Heart rate variability and inflammatory markers in neonates with hypoxic-ischemic encephalopathy. Physiol Rep 2019; 7:e14110. [PMID: 31397094 PMCID: PMC6687857 DOI: 10.14814/phy2.14110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/15/2019] [Accepted: 04/16/2019] [Indexed: 12/19/2022] Open
Abstract
To examine heart rate variability (HRV) and inflammatory markers as predictors for neurological injury in neonates undergoing therapeutic hypothermia for hypoxic-ischemic encephalopathy (HIE). We hypothesized that HRV would differentiate between infants with no/mild injury and infants with moderate/severe injury observed on MRI. Because HRV can be associated with the inflammatory cascade, cytokine concentrations were compared with the severity of brain injury indicated by MRI. Further, we studied the effect of temperature, sex, and mechanical ventilation on HRV. HRV was prospectively collected on neonates with HIE using spectral analysis for low and high frequency components (n = 16). A subset (n = 10) of neonates had serum available for inflammatory cytokine analysis obtained during cooling. Neonates were stratified into no/mild or moderate/severe injury based on MRI obtained after rewarming. Differences in HRV were identified; lower low frequency power predicted more injury on MRI. Additionally, in neonates with HIE after cooling procedure, HRV differed by gender. Elevated RANTES (CCL5) and decreased GM-CSF (Granulocyte-macrophage colony-stimulating factor) at 96 hours predicted less severe injury. In this small study, HRV differs between no/mild and moderate/severe injury in neonates with HIE. With further study, this may aid the clinician in real-time decision making. HRV differs by gender. Finally, inflammatory biomarkers may help elucidate the pathophysiology of HIE.
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Kyle CT, Stokes J, Bennett J, Meltzer J, Permenter MR, Vogt JA, Ekstrom A, Barnes CA. Cytoarchitectonically-driven MRI atlas of nonhuman primate hippocampus: Preservation of subfield volumes in aging. Hippocampus 2019; 29:409-421. [PMID: 29072793 PMCID: PMC5920786 DOI: 10.1002/hipo.22809] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 09/29/2017] [Accepted: 10/24/2017] [Indexed: 11/12/2022]
Abstract
Identification of primate hippocampal subfields in vivo using structural MRI imaging relies on variable anatomical guidelines, signal intensity differences, and heuristics to differentiate between regions (Yushkevich et al., 2015a). Thus, a clear anatomically-driven basis for subfield demarcation is lacking. Recent work, however, has begun to develop methods to use ex vivo histology or ex vivo MRI (Adler et al., 2014; Iglesias et al., 2015) that have the potential to inform subfield demarcations of in vivo images. For optimal results, however, ex vivo and in vivo images should ideally be matched within the same healthy brains, with the goal to develop a neuroanatomically-driven basis for in vivo structural MRI images. Here, we address this issue in young and aging rhesus macaques (young n = 5 and old n = 5) using ex vivo Nissl-stained sections in which we identified the dentate gyrus, CA3, CA2, CA1, subiculum, presubiculum, and parasubiculum guided by morphological cell properties (30 μm thick sections spaced at 240 μm intervals and imaged at 161 nm/pixel). The histologically identified boundaries were merged with in vivo structural MRIs (0.625 × 0.625 × 1 mm) from the same subjects via iterative rigid and diffeomorphic registration resulting in probabilistic atlases of young and old rhesus macaques. Our results indicate stability in hippocampal subfield volumes over an age range of 13 to 32 years, consistent with previous results showing preserved whole hippocampal volume in aged macaques (Shamy et al., 2006). Together, our methods provide a novel approach for identifying hippocampal subfields in non-human primates and a potential 'ground truth' for more accurate identification of hippocampal subfield boundaries on in vivo MRIs. This could, in turn, have applications in humans where accurately identifying hippocampal subfields in vivo is a critical research goal.
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Kyle CT, Stokes J, Bennett J, Meltzer J, Permenter MR, Vogt JA, Ekstrom A, Barnes CA. Cover Image, Volume 29, Issue 5. Hippocampus 2019. [DOI: 10.1002/hipo.22969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Dalvi T, Herr I, Maclachlan S, Briceno J, Bennett J, McLaurin K, Hettle R, McCutcheon S. Abstract P1-09-14: Demographic, clinical/disease characteristics, and treatment of patients with germline mutated metastatic breast cancer: A CancerLinQ study. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-09-14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Objective: To describe the demographics, clinical/disease characteristics and treatment patterns of patients with germline BRCA mutated (gBRCAm) metastatic breast cancer (mBC) as compared to those with gBRCA wild type (wt) and those who are untested for gBRCA mutations.
Methods: The CancerlinQ Discovery Database (CLQ), launched by the American Society of Clinical Oncology (ASCO) in 2016, consists of longitudinal, demographic and geographic diverse data aggregated from oncology practice electronic health record (EHR) databases. Natural language processing and technology-enabled curation are utilized to identify records of most interest, followed by manual curation to abstract information from unstructured EHR fields. This cohort consists of 7,889 patients diagnosed with mBC between 1982 and 2018, and is enriched for patients with gBRCA testing through the curation process.
Results: Overall most patients were female (99.0%), white (55.3%), and the median age at mBC diagnosis was 63 years (yrs). The majority were not tested for gBRCA mutation (88.4%); 2.0% were gBRCAm, 9.2% were gBRCAwt, 0.4% had an undetermined test result, and 0.1% had a variant of unknown significance. Among those tested for estrogen-receptor (ER) (n=6,700) and progesterone-receptor (PR) (n=6,737) status, 76.6% were ER positive (+) and 62.2% were PR+. Among those tested for human epidermal growth factor receptor 2 (HER2) (n=6,696), 21.7% were HER2+. Among those with known results for ER, PR, and HER2 (n=6,063), 10.1% were hormone receptor (HR)+/HER2+, 10.6% were HR negative (-)/HER2+, 65.0% were HR+/HER2-, and 14.3% were HR-/HER2-. The median age at mBC diagnosis was 50 yrs for gBRCAm, 51 yrs for gBRCAwt and 64 yrs among the gBRCA untested group. A similar proportion of patients were diagnosed with metastatic disease among the gBRCAm and gBRCAwt groups (25.3% and 20.3%, respectively), while the proportion was higher among the gBRCA untested group (38.0 %). The most common site of metastasis for all groups was bone (35.1% for gBRCAm, 41.7% for gBRCAwt, and 36.5 % for gBRCA untested), followed by liver (16.2% for gBRCAm, 13.3% for gBRCAwt, and 8.5% for gBRCA untested). The most common first-line therapies for gBRCAm patients were tamoxifen (7.7%), letrozole (7.0%), cyclophosphamide+doxorubicin (6.3%), and paclitaxel (6.3%); for gBRCAwt patients they were cyclophosphamide+doxorubicin (6.6%), paclitaxel (6.4%), and tamoxifen (6.4%); and for gBRCA untested patients they were letrozole (11.1%), fulvestrant (9.3%), and tamoxifen (4.6%). The mean number of lines of therapy (including lines of chemotherapy and hormone therapy) were 3.5, 3.8, and 3.4 for the gBRCAm, gBRCAwt, and gBRCA untested groups, respectively.
Conclusions: Patients with gBRCAm were younger than the gBRCA untested group, and more patients had metastatic disease at diagnosis in the gBRCA untested group. Further analyses accounting for HR and HER2 status will be conducted and presented. This is the first example of research using curated breast cancer data from ASCO's CLQ.
Citation Format: Dalvi T, Herr I, Maclachlan S, Briceno J, Bennett J, McLaurin K, Hettle R, McCutcheon S. Demographic, clinical/disease characteristics, and treatment of patients with germline mutated metastatic breast cancer: A CancerLinQ study [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-09-14.
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McCart Reed AE, Kalaw E, Nones K, Bettington M, Lim M, Bennett J, Johnstone K, Kutasovic JR, Kazakoff S, Xu QC, Saunus JM, Reid LE, Black D, Niland C, Ferguson K, Gresshoff I, Raghavendra A, Liu JC, Kalinowski L, Reid AS, Davidson M, Pearson JV, Yamaguchi R, Harris G, Tse G, Papadimos D, Pathmanathan R, Pathmanathan N, Tan PH, Fox S, O'Toole S, Waddell N, Simpson PT, Lakhani SR. Abstract P3-08-03: Dissecting the heterogeneity of metaplastic breast cancer: A morphological, immunohistochemical and genomic analysis of a large cohort. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-08-03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Although rare, Metaplastic Breast Carcinomas (MBC) account for significant global breast cancer mortality. This subgroup is extremely heterogeneous and by definition exhibits metaplastic change to squamous and/or mesenchymal elements, including but not limited to spindle, squamous, chondroid, osseous and rhabdomyoid elements. The WHO working group recognizes that the current classification is inadequate and in the interim, has suggested a purely descriptive classification. The mixed epithelial-mesenchymal morphology has led to speculation that MBC represent 'stem cell tumours'; in support of this, MBC have been shown to have a CD44+/CD24-/low phenotype. Clinically, patients present with tumours that are larger (higher stage), have increased likelihood of distant metastases at presentation and overall, have a reduced 5-year survival rate compared to Invasive Carcinoma-NST. Hence, this is a unique subtype with poor outcome but without a robust classification or understanding of the biology to aid clinical management. We present a detailed morphological, immunohistochemical and genomic analysis of a large series of MBC (n=347), as amassed through the Asia-Pacific MBC consortium. We consider our morphological dissection using the WHO subtyping guidelines and show that an increasing number of phenotypes in a mixed MBC (classified as WHO_1) significantly associates with a poor prognosis. Immunohistochemical analysis showed that a pure spindle (WHO_5) is significantly less likely to express vimentin, CK5/6, CK14, and CK19 than a mixed WHO_1 with spindle features. Similarly, a WHO_1 with chondroid features is less likely to express EGFR than WHO_1 with chondroid features and rhabdoid or osseous differentiation. Across the cohort, positivity for the AE1/3 antibody and a lack of EGFR expression both significantly associate with a better outcome. We report no significant association between patient age at diagnosis and breast cancer specific survival, nor between age and specific WHO MBC subtypes. We report a significant association between WHO_1 types and increasing tumour grade, and also between tumour size and grade, with tumour size being a highly significant prognostic indicator in this cohort. Our exome sequencing confirms a significant enrichment for TP53 and PTEN mutations in MBC, and intriguingly for concurrent mutations of TP53, PTEN and PIK3CA. A novel enrichment for NF1 mutations is also presented. In summary, we provide a thorough assessment of a large cohort of MBC, including morphology, survival, IHC and exome sequencing, and present our analysis contextualized by the WHO guidelines, extending the existing knowledge base of this rare tumour type.
Citation Format: McCart Reed AE, Kalaw E, Nones K, Bettington M, Lim M, Bennett J, Johnstone K, Kutasovic JR, Kazakoff S, Xu QC, Saunus JM, Reid LE, Black D, Niland C, Ferguson K, Gresshoff I, Raghavendra A, Liu JC, Kalinowski L, Reid AS, Davidson M, Pearson JV, Yamaguchi R, Harris G, Tse G, Papadimos D, Pathmanathan R, Pathmanathan N, Tan PH, Fox S, O'Toole S, Waddell N, Simpson PT, Lakhani SR. Dissecting the heterogeneity of metaplastic breast cancer: A morphological, immunohistochemical and genomic analysis of a large cohort [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-08-03.
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Dalvi T, McLaurin K, Briceno J, Nordstrom B, Bennett J, Hettle R, Murphy B, Collins J, McCutcheon S. Abstract P1-09-13: A real world evidence study of BRCA mutations and survival in HER2-negative breast cancer. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-09-13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Limited data exist on the natural history (treated with standard of care) of metastatic breast cancer (mBC) characterized by germline breast cancer susceptibility gene mutations (gBRCAm). Real-world data examining survival for patients with gBRCAm mBC, overall and separated into gBRCA1m and gBRCA2m, compared to gBRCA wild type (wt) mBC, can help to clarify the prognostic outlook associated with the gBRCA mutation.
Methods: Adults with human epidermal growth factor receptor 2 negative (HER2-) mBC diagnosed from January 2013 – August 2017 were retrospectively selected from the Flatiron Health Oncology electronic medical record database. Patients were classified as having gBRCA1m, gBRCA2m, or gBRCAwt disease. Those who did not receive the genetic testing or who had equivocal results were classified as gBRCA unknown. Overall survival (OS) was calculated from first diagnosis of mBC, as well as from the start of first- and second-line therapy for metastatic disease. Lines of therapy included both hormonal and systemic therapies. Kaplan-Meier analyses provided median OS with 95% confidence interval (CI). Unadjusted log-rank tests compared OS between gBRCA1m and gBRCA2m, and between overall gBRCAm and gBRCAwt.
Results: Of 8,080 patients selected, mean age at first mBC diagnosis was 64 years, 98.7% were female, and 82.0% had evidence of hormone receptor positive disease. gBRCA status was known for 1,852 (22.9%) of patients, of whom 89 (4.8%) had gBRCA1m, 152 (8.2%) had gBRCA2m, and 8 (0.4%) had both gBRCA mutations. Patients with known gBRCA status were younger, with mean ages of 52 years for gBRCAm, 55 years for gBRCAwt, and 67 years for gBRCA unknown. Hormone receptor positive disease was less common among those with known gBRCA status (71.9%, 77.2%, and 83.6% for gBRCAm, gBRCAwt, and gBRCA unknown, respectively). Median (95% CI) OS from mBC diagnosis was 22 (14 - 26) months for gBRCA1m and 30 (27 - 37) months for gBRCA2m (p = 0.01), though numbers were quite small by the median timepoint. Overall gBRCAm disease was associated with median survival of 28 (25 - 32) months, compared to 32 (30 - 35) months for gBRCAwt (p = 0.07); survival was similar between groups for the first 24 months but declined thereafter in the gBRCAm group. Similar patterns were observed for OS after the start of first- and second-line therapy, although no comparisons were significant. Further analyses will present adjusted results and comparisons with outcomes for the patients with gBRCA unknown.
Conclusions: This real-world study of patients receiving care in largely community oncology clinics suggests that survival after diagnosis of mBC is reduced in patients with gBRCA1m compared to gBRCA2m disease and may be reduced in gBRCAm mBC overall. Effective treatments targeted for the gBRCAm subtypes of mBC appear to be needed.
Citation Format: Dalvi T, McLaurin K, Briceno J, Nordstrom B, Bennett J, Hettle R, Murphy B, Collins J, McCutcheon S. A real world evidence study of BRCA mutations and survival in HER2-negative breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-09-13.
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Pournaras DJ, Hardwick RH, Safranek PM, Sujendran V, Bennett J, Macaulay GD, Hindmarsh A. Endoluminal Vacuum Therapy (E-Vac): A Treatment Option in Oesophagogastric Surgery. World J Surg 2018; 42:2507-2511. [PMID: 29372375 PMCID: PMC6060786 DOI: 10.1007/s00268-018-4463-7] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background Leaks from the upper gastrointestinal tract often pose a management challenge, particularly when surgical treatment has failed or is impossible. Vacuum therapy has revolutionised the treatment of wounds, and its role in enabling and accelerating healing is now explored in oesophagogastric surgery. Methods A piece of open cell foam is sutured around the distal end of a nasogastric tube using a silk suture. Under general anaesthetic, the foam covered tip is placed endoscopically through the perforation and into any extra-luminal cavity. Continuous negative pressure (125 mmHg) is then applied. Re-evaluation with change of the negative pressure system is performed every 48–72 h depending on the clinical condition. Patients are fed enterally and treated with broad-spectrum antibiotics and anti-fungal medication until healing, assessed endoscopically and/or radiologically, is complete. Results Since April 2011, twenty one patients have been treated. The cause of the leak was postoperative/iatrogenic complications (14 patients) and ischaemic/spontaneous perforation (seven patients). Twenty patients (95%) completed treatment successfully with healing of the defect and/or resolution of the cavity and were subsequently discharged from our care. One patient died from sepsis related to an oesophageal leak after withdrawing consent for further intervention following a single endoluminal vacuum (E-Vac) treatment. In addition, two patients who were successfully treated with E-Vac for their leak subsequently died within 90 days of E-Vac treatment from complications that were not associated with the E-Vac procedure. In two patients, E-Vac treatment was complicated by bleeding. The median number of E-Vac changes was 7 (range 3–12), and the median length of hospital stay was 35 days (range 23–152). Conclusions E-Vac therapy is a safe and effective treatment for upper gastrointestinal leaks and should be considered alongside more established therapies. Further research is now needed to understand the mechanism of action and to improve the ease with which E-Vac therapy can be delivered.
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Campbell N, Longley J, Pascalis A, Bennett J, Remer M, Stone R, Muller D, Karydis I, Donnelly O, Wheater M, Ottensmeier C. Immunotherapy in the immunodeficient: A treatment paradox? Ann Oncol 2018. [DOI: 10.1093/annonc/mdy288.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Crabb S, Danson S, Dunkley D, Kalevras M, Whitehead A, Hill S, Fines K, Robb C, Bennett J, Ksiazek L, Brown S, Evans L, Serra M, Jones K, McDowell C, Catto J, Huddart R, Griffths G. SPIRE: A phase Ib/ randomised IIa open label clinical trial combining guadecitabine with cisplatin and gemcitabine chemotherapy for solid malignancies including bladder cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy279.412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Foster L, Allchorne P, Fleure L, Clovis S, Gibbs E, Bennett J, Kinsella J, Carhill J, Green J. Are shared medical appointments an effective method of delivering discharge information to prepare prostate cancer patients for discharge from secondary care? Int J Surg 2018. [DOI: 10.1016/j.ijsu.2018.05.649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Fountain MT, Bennett J, Cobo-Medina M, Conde Ruiz R, Deakin G, Delgado A, Harrison R, Harrison N. Alimentary microbes of winter-form Drosophila suzukii. INSECT MOLECULAR BIOLOGY 2018; 27:383-392. [PMID: 29469169 DOI: 10.1111/imb.12377] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is a damaging pest of fruit. Reproductively diapausing adults overwinter in woodlands and remain active on warmer winter days. It is unknown if this adult phase of the lifecycle feeds during the winter period, and what the food source may be. This study characterized the flora in the digestive tract of D. suzukii using a metagenomics approach. Live D. suzukii were trapped in four woodlands in the south of England and their guts dissected for DNA extraction and amplicon-based metagenomics sequencing (internal transcribed spacer and 16S rRNA). Analysis at genus and family taxonomic levels showed high levels of diversity with no differences in digestive tract bacterial or fungal biota between woodland sites of winter-form D. suzukii. Female D. suzukii at one site appeared to have higher bacterial diversity in the alimentary canal than males, but there was a site, sex interaction. Many of the biota were associated with cold, wet climatic conditions and decomposition. This study provides the first evidence that winter-form D. suzukii may be opportunistic feeders during the winter period and are probably exploiting food sources associated with moisture on decomposing vegetation during this time. A core gut microbiome has been identified for winter-form D. suzukii.
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Eberhard D, Bennett J, Davison D, Hammond C, Petty A, Pluenneke J, Dei Rossi A, Alexander G, Paragas D, Lopatin M. 147P Clinical testing of ctDNA from NSCLC patients using A 17-gene liquid biopsy mutation panel. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30421-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Grayson DS, Bliss-Moreau E, Bennett J, Lavenex P, Amaral DG. Neural Reorganization Due to Neonatal Amygdala Lesions in the Rhesus Monkey: Changes in Morphology and Network Structure. Cereb Cortex 2018; 27:3240-3253. [PMID: 28383709 DOI: 10.1093/cercor/bhx080] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Indexed: 01/30/2023] Open
Abstract
It is generally believed that neural damage that occurs early in development is associated with greater adaptive capacity relative to similar damage in an older individual. However, few studies have surveyed whole brain changes following early focal damage. In this report, we employed multimodal magnetic resonance imaging analyses of adult rhesus macaque monkeys who had previously undergone bilateral, neurotoxic lesions of the amygdala at about 2 weeks of age. A deformation-based morphometric approach demonstrated reduction of the volumes of the anterior temporal lobe, anterior commissure, basal ganglia, and pulvinar in animals with early amygdala lesions compared to controls. In contrast, animals with early amygdala lesions had an enlarged cingulate cortex, medial superior frontal gyrus, and medial parietal cortex. Diffusion-weighted imaging tractography and network analysis were also used to compare connectivity patterns and higher-level measures of communication across the brain. Using the communicability metric, which integrates direct and indirect paths between regions, lesioned animals showed extensive degradation of network integrity in the temporal and orbitofrontal cortices. This work demonstrates both degenerative as well as progressive large-scale neural changes following long-term recovery from neonatal focal brain damage.
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Bennett J, Adriaenssens T, McCutcheon K, Dens J, Desmet W, Sinnaeve P, Vrolix M, Dubois C. 5-Year clinical follow-up of the COBRA (complex coronary bifurcation lesions: Randomized comparison of a strategy using a dedicated self-expanding biolimus A9-eluting stent vs. a culotte strategy using everolimus-eluting stents) study. Catheter Cardiovasc Interv 2018. [DOI: 10.1002/ccd.27597] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Bennett J, Coburn A, Coupe A, Stedman D, Taylor A, Tyler A. Development of a zebrafish model for bitter taste assessment. Int J Pharm 2018. [DOI: 10.1016/j.ijpharm.2017.08.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lopez F, Mistry P, Batchelor H, Bennett J, Ernest T, Gul MO, Tuleu C. Palatability and acceptability of multiparticulate formulations: Adults vs. children comparison. Int J Pharm 2018. [DOI: 10.1016/j.ijpharm.2017.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Mistry P, Hodson J, Bennett J, Batchelor H. Evaluating the acceptability and mouthfeel of multiparticulates within a paediatric population. Int J Pharm 2018. [DOI: 10.1016/j.ijpharm.2017.08.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mussman GM, Lossius M, Wasif F, Bennett J, Shadman KA, Walley SC, Destino L, Nichols E, Ralston SL. Multisite Emergency Department Inpatient Collaborative to Reduce Unnecessary Bronchiolitis Care. Pediatrics 2018; 141:peds.2017-0830. [PMID: 29321255 DOI: 10.1542/peds.2017-0830] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/13/2017] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES There is high variation in the care of acute viral bronchiolitis. We sought to promote collaboration between emergency department (ED) and inpatient (IP) units with the goal of reducing unnecessary testing and treatment. METHODS Multisite collaborative with improvement teams co-led by ED and IP physicians and a 1-year period of active participation. The intervention consisted of a multicomponent change package, regular webinars, and optional coaching. Data were collected by chart review for December 2014 through March 2015 (baseline) and December 2015 to March 2016 (improvement period). Patients <24 months of age with a primary diagnosis of bronchiolitis and without ICU admission, prematurity, or chronic lung or heart disease were eligible for inclusion. Control charts were used to detect improvement. Achievable benchmarks of care were calculated for each measure. RESULTS Thirty-five hospitals with 5078 ED patients and 4389 IPs participated. Use of bronchodilators demonstrated special cause for the ED (mean centerline shift: 37.1%-24.5%, benchmark 5.8%) and IP (28.4%-17.7%, benchmark 9.1%). Project mean ED viral testing decreased from 42.6% to 25.4% after revealing special cause with a 3.9% benchmark, whereas chest radiography (30.9%), antibiotic use (6.2%), and steroid use (7.6%) in the ED units did not change. IP steroid use decreased from 7.2% to 4.0% after special cause with 0.0% as the benchmark. Within-site ED and IP performance was modestly correlated. CONCLUSIONS Collaboration between ED and IP units was associated with a decreased use of unnecessary tests and therapies in bronchiolitis; top performers used few unnecessary tests or treatments.
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Reay C, Cheung C, Lanka S, Little S, Ryanna K, Agrawal S, Panchal R, Bennett J, Tufail M. Use of a discharge lounge to facilitate ambulatory CT guided percutaneous lung biopsies for suspected lung cancer – an effective and cost effective pathway with high patient satisfaction. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30057-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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96
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Nicoara D, Khan F, Panchal R, Bennett J, Tufail M. Rapid talc slurry pleurodesis for malignant pleural effusion reduces the length of stay whilst maintaining the pleurodesis success rate. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30201-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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97
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Chang LL, Wynn JL, Pacella MJ, Rossignol CC, Banadera F, Alviedo N, Vargas A, Bennett J, Huene M, Copenhaver N, Sura L, Barnette K, Solomon J, Bliznyuk NA, Neu J, Weiss MD. Enteral Feeding as an Adjunct to Hypothermia in Neonates with Hypoxic-Ischemic Encephalopathy. Neonatology 2018; 113:347-352. [PMID: 29510382 DOI: 10.1159/000487848] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 02/17/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND Withholding enteral feedings during hypothermia lacks supporting evidence. OBJECTIVES We aimed to determine if minimal enteral nutrition (MEN) during hypothermia in patients with hypoxic-ischemic encephalopathy was associated with a reduced duration of parenteral nutrition, time to full oral feeds, and length of stay, but would not be associated with increased systemic inflammation or feeding complications. METHODS We performed a pilot, retrospective, matched case-control study within the Florida Neonatal Neurologic Network from December 2012 to May 2016 of patients who received MEN during hypothermia (n = 17) versus those who were not fed (n = 17). Length of stay, feeding-related outcomes, and brain injury identified by MRI were compared. Serum inflammatory mediators were measured at 0-6, 24, and 96 h of life by multiplex assay. MRI were scored using the Barkovich system. RESULTS MEN subjects had a reduced length of hospital stay (mean 15 ± 11 vs. 24 ± 19 days, p < 0.05), days receiving parenteral nutrition (7 ± 2 vs. 11 ± 6, p < 0.05), and time to full oral feeds (8 ± 5 vs. 18 ± 18, p < 0.05). MEN was associated with a significantly reduced serum IL-12p70 at 24 and 96 h (p < 0.05). Brain MRI scores were not significantly different between groups. CONCLUSION MEN during hypothermia was associated with a reduced length of stay and time to full feeds, but did not increase feeding complications or systemic inflammation.
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98
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Corliss BM, Bennett J, Brennan MM, Rosemaryam A, Hartman C, Stetler WR, Polifka AJ, Hoh BL, Arreola MM, Fox WC. The Patient Size Setting: A Novel Dose Reduction Strategy in Cerebral Endovascular Neurosurgery Using Biplane Fluoroscopy. World Neurosurg 2017; 110:e636-e641. [PMID: 29180081 DOI: 10.1016/j.wneu.2017.11.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 11/10/2017] [Accepted: 11/11/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND In some fluoroscopy machines, the dose-rate output of the fluoroscope is tied to a selectable patient size. Although patient size may play a significant role in visceral or cardiac procedures, head morphology is less variable, and high dose outputs may not be necessary even in very obese patients. We hypothesized that very small patient size setting can be used to reduce dose for cerebral angiography without compromising image quality. METHODS Patients who underwent endovascular neurosurgical procedures during the 2015-2016 academic year were identified, and estimated procedural air kerma (AK) was tabulated retrospectively. Technologists were instructed to begin using the very small patient size setting for all procedures performed using our Philips Allura Xper FD20 biplane fluoroscopy system beginning in March 2016. No changes were made in a second procedure room using a Toshiba Infinix system. Student t tests and logistic regression models were used to compare radiation exposure before and after March 1, 2016, for both machines. RESULTS For diagnostic cerebral angiograms performed on the Philips system (n = 302), AK was reduced by approximately 17% (1277 vs. 1061 mGy; P = 0.0006.) Changes in table height, total fluoroscopy time, patient weight, and body mass index did not contribute to this difference. No significant change was seen in total AK using the Toshiba system (n = 237). Blinded review by a neuroradiologist did not demonstrate any change in image quality. CONCLUSIONS Using the very small patient size reduces fluoroscopy dose by 17% for cerebral angiography without impacting image quality.
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Bennett J, Sekar V, Flannery T. Investigation into the Cause of Delay in PICC Line Insertion for Neurosurgical Patients? Int J Surg 2017. [DOI: 10.1016/j.ijsu.2017.08.322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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100
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Van Der Schee M, Dickson J, Ruparel M, Janes S, Dragonieri S, Fuller L, Grundy S, Baldwin D, Crosbie P, Prasad A, Haris M, Barlow A, Calvert L, Wight A, Bennett J, Gaga M, Chee S, Conteh V, Ledson M, Hodkinson C, Boschmans J, Smith R, Parris R, Apthorp D, Kitchen S, Allsworth M, Boyle B, Rintoul R. P3.05-001 Breath Analysis for Early Detection of Lung Cancer: The LuCID Study. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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