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Heuer T, Ventura R, Waszczuk J, Mordec K, Lai J, Fridlib M, Johnson R, Hu L, Cai H, Wagman A, O'Farrell M, Buckley D, Kemble G. 591 Mechanistic analysis of reversible FASN inhibition in preclinical tumor models identifies highly susceptible tumor types and enriches biomarker discovery for clinical applications. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)70717-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Shenvi C, Waller N, Johnson R, Soares W, Brewer K, Hodgson C. 325 Perceptions of Professionalism and Social Media Use Among Emergency Physicians and Residents. Ann Emerg Med 2014. [DOI: 10.1016/j.annemergmed.2014.07.353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Griffin D, Pozsgai E, Johnson R, Grose W, Heller K, Mendell J, Sahenk Z, Rodino-Klapac L. G.P.289. Neuromuscul Disord 2014. [DOI: 10.1016/j.nmd.2014.06.365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sobinoff AP, Sutherland JM, Beckett EL, Stanger SJ, Johnson R, Jarnicki AG, McCluskey A, St John JC, Hansbro PM, McLaughlin EA. Damaging legacy: maternal cigarette smoking has long-term consequences for male offspring fertility. Hum Reprod 2014; 29:2719-35. [PMID: 25269568 DOI: 10.1093/humrep/deu235] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
STUDY QUESTION What are the effects on fertility of cigarette smoke-induced toxicity on male offspring exposed during the gestational/weaning period? SUMMARY ANSWER Maternal cigarette smoke exposure during the gestational/weaning period causes long-term defects in male offspring fertility. WHAT IS KNOWN ALREADY Cigarette smoke is a well-known reproductive toxicant which is particularly harmful to both fetal and neonatal germ cells. However, recent studies suggest a significant portion of young mothers in the developed world still smoke during pregnancy. In the context of male reproductive health, our understanding of the effects of in utero exposure on offspring fertility is limited. STUDY DESIGN, SIZE, DURATION In this study, 27 C57BL/6 5-week-old female mice were exposed via the nose-only to cigarette smoke (treatment) or 27 were exposed to room air (control) for 6 weeks before being housed with stud males to produce litters. In the treatment group, smoke exposure continued throughout mating, pregnancy and lactation until weaning of pups at 21 days post birth. Male offspring were examined at post-natal days 3, 6, 12, 21 and 98 (adult). PARTICIPANTS/MATERIALS, SETTING, METHODS Approximately 108 maternal smoke-exposed C57BL/6 offspring and controls were examined. Spermatogenesis was examined using testicular histology and apoptosis/DNA damage was assessed using caspase immunohistochemistry and TUNEL. Sertoli cell morphology and fluctuations in the spermatogonial stem cell population were also examined using immunohistochemistry. Microarray and QPCR analysis were performed on adult testes to examine specific long-term transcriptomic alteration as a consequence of maternal smoke exposure. Sperm counts and motility, zona/oolemma binding assays, COMET analysis and mitochondrial genomic sequencing were also performed on spermatozoa obtained from adult treated and control mice. Fertility trials using exposed adult male offspring were also performed. MAIN RESULTS AND THE ROLE OF CHANCE Maternal cigarette smoke exposure caused increased gonocyte and meiotic spermatocyte apoptosis (P < 0.01) as well as germ cell depletion in the seminiferous tubules of neonatal and juvenile offspring. Aberrant testicular development characterized by abnormal Sertoli and germ cell organization, a depleted spermatogonial stem cell population (P < 0.01), atrophic seminiferous tubules and increased germ cell DNA damage (P < 0.01) persisted in adult offspring 11 weeks after exposure. Microarray analysis of adult offspring testes associated these defects with meiotic germ cell development, sex hormone metabolism, oxidative stress and Sertoli cell signalling. Next generation sequencing also revealed a high mitochondrial DNA mutational load in the testes of adult offspring (P < 0.01). Adult maternal smoke-exposed offspring also had reduced sperm counts with spermatozoa exhibiting morphological abnormalities (P < 0.01), affecting motility and fertilization potential. Odf2, a spermatozoa flagellum component required for coordinated ciliary beating, was also significantly down-regulated (P < 0.01) in maternal smoke-exposed adult offspring, with aberrant localization along the spermatozoa flagellum. Adult maternal smoke-exposed offspring took significantly longer to impregnate control females and had a slight but significant (P < 0.01) reduction in litter size. LIMITATIONS, REASONS FOR CAUTION This study examined only one species (mouse) using a smoking model which only simulates human cigarette smoke exposure. WIDER IMPLICATIONS OF THE FINDINGS This study represents the first comprehensive animal model of maternal smoking on male offspring reproductive function, suggesting that exposure during the gestational/weaning period causes long-term defects in male offspring fertility. This is due to a compromised spermatogonial stem cell population resulting from gonocyte apoptosis and impaired spermatogenic development. This results in significant germ cell damage and Sertoli cell dysfunction, impacting germ cell number, tubule organization, DNA damage and spermatozoa in adult offspring. This study strengthens the current literature suggesting that maternal exposure impairs male offspring fertility, which is currently debated due to conflicting studies. STUDY FUNDING/COMPETING INTERESTS This study was funded by the Australian Research Council, Hunter Medical Research Institute, National Health and Medical Research Council of Australia and the Newcastle Permanent Building Society Charitable Trust. The authors declare no conflict of interest.
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Hablitz LM, Molzof HE, Paul JR, Johnson RL, Gamble KL. Suprachiasmatic nucleus function and circadian entrainment are modulated by G protein-coupled inwardly rectifying (GIRK) channels. J Physiol 2014; 592:5079-92. [PMID: 25217379 DOI: 10.1113/jphysiol.2014.282079] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
G protein signalling within the central circadian oscillator, the suprachiasmatic nucleus (SCN), is essential for conveying time-of-day information. We sought to determine whether G protein-coupled inwardly rectifying potassium channels (GIRKs) modulate SCN physiology and circadian behaviour. We show that GIRK current and GIRK2 protein expression are greater during the day. Pharmacological inhibition of GIRKs and genetic loss of GIRK2 depolarized the day-time resting membrane potential of SCN neurons compared to controls. Behaviourally, GIRK2 knockout (KO) mice failed to shorten free running period in response to wheel access in constant darkness and entrained more rapidly to a 6 h advance of a 12 h:12 h light-dark (LD) cycle than wild-type (WT) littermate controls. We next examined whether these effects were due to disrupted signalling of neuropeptide Y (NPY), which is known to mediate non-photic phase shifts, attenuate photic phase shifts and activate GIRKs. Indeed, GIRK2 KO SCN slices had significantly fewer silent cells in response to NPY, likely contributing to the absence of NPY-induced phase advances of PER2::LUC rhythms in organotypic SCN cultures from GIRK2 KO mice. Finally, GIRK channel activation is sufficient to cause a non-photic-like phase advance of PER2::LUC rhythms on a Per2(Luc+/-) background. These results suggest that rhythmic regulation of GIRK2 protein and channel function in the SCN contributes to day-time resting membrane potential, providing a mechanism for the fine tuning responses to non-photic and photic stimuli. Further investigation could provide insight into disorders with circadian disruption comorbidities such as epilepsy and addiction, in which GIRK channels have been implicated.
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Johnson R, Ibrahim T. Life threatening hyponatraemia following evacuation of spontaneous chronic subdural haematoma. Ann R Coll Surg Engl 2014; 96:e26-7. [PMID: 25198967 DOI: 10.1308/003588414x13946184903720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We report the case of a 43-year-old woman who developed life threatening hyponatraemia 4 days following burr hole drainage of a spontaneous chronic subdural haematoma (CSDH). Syndrome of inappropriate secretion of antidiuretic hormone was confirmed. This is the first report of delayed life threatening hyponatraemia developing postoperatively in CSDH. The mechanism remains unclear but may involve brain shift on the pituitary stalk following subdural evacuation.
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Zheng Y, Johnson R, Larson G. Minimizing Treatment Planning Errors in Proton Therapy Using Failure Mode and Effects Analysis. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Johnson R, Clarke A. PP18 Identifying barriers to evaluating and implementing public health interventions using a new technique to mix methods. Br J Soc Med 2014. [DOI: 10.1136/jech-2014-204726.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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van West H, Hodgson B, Parent E, Samuel S, Hodgson B, Ferland C, Soroceanu A, Soroceanu A, Protopsaltis T, Protopsaltis T, Radovanovic I, Amritanand R, Shamji M, Haugo K, Malham G, Jarzem P, Rampersaud Y, Tomkins-Lane C, Manson N, Malham G, Rampersaud Y, Malham G, Malham G, King V, Goldstein C, Fisher C, Fehlings M, Fisher C, Wong E, Sardar Z, Christie S, Patel A, Pinkoski C, Ahn H, Drew B, Dvorak M, Pezeshki P, Altaf F, Wilde P, Rampersaud Y, Sparrey C, Tetreault L, Fehlings M, Tetreault L, Rampersaud R, Jack A, Johnstone R, Fernandes A, Urquhart J, Morokoff A, Manson N, Tomkins-Lane C, Phan P, Evaniew N, Shamji M, Manson J, Rampersaud Y, Nault ML, St-Pierre GH, Larouche J, Lewis S, Wilgenbusch C, Lewis S, Rampersaud Y, Johnson R, Cushnie D, Sridharan S, Street J, Gregg C, Missiuna P, Abraham E, Abraham E, Manson N, Huang E, Passmore S, Mac-Thiong JM, Labelle H, Moulin D, Turgeon I, Roy-Beaudry M, Bourassa N, Petit Y, Parent. S, Chabot S, Westover L, Hill D, Moreau M, Hedden D, Lou E, Adeeb. S, Smith M, Bridge C, Hsu B, Gray. R, Group PORSCHES, Saran N, Mac-Thiong JM, Stone L, Ouellet. J, Protopsaltis T, Terran J, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Schwab F, Lafage V, Protopsaltis T, Ames C, Bess S, Smith J, Errico. T, Schwab F, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Burton D, Ames C, Shaffrey C, Bess S, Errico T, Lafage. V, Terran J, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Kim HJ, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Urquhart J, Gananapathy V, Siddiqi F, Gurr K, Bailey C, Ravi B, David K, Rampersaud. R, Tu Y, Salter. M, Nichol H, Fourney D, Kelly. M, Parker R, Ellis N, Blecher C, Chow F, Claydon. M, Sardar Z, Alexander D, Oxner W, Plessis SD, Yee A, Wai. E, Lewis S, Davey J, Gandhi R, Mahomed. N, Hu R, Thomas K, Hepler C, Choi K, Rowed K, Haig. A, Lam. K, Parker R, Blecher C, Seex. K, Perruccio A, Gandhi R, Program. UHNA, Ellis N, Parker R, Goss B, Blecher C, Ballok. Z, Parker R, Ellis N, Chan P, Varma. D, Swart A, Winder M, Varga PP, Gokaslan Z, Boriani S, Luzzati A, Rhines L, Fisher C, Chou D, Williams R, Dekutoski M, Quraishi N, Bettegowda C, Kawahara N, Fehlings. M, Versteeg A, Boriani S, Varga PP, Dekutoski M, Luzzati A, Gokaslan Z, Williams R, Reynolds J, Fehlings M, Bettegowda C, Rhines. L, Zamorano J, Nater A, Tetrault L, Varga P, Gokaslan Z, Boriani S, Fisher C, Rhines L, Bettegowda C, Kawahara N, Chou. D, Fehlings M, Kopjar B, Vaccaro A, Arnold P, Schuster J, Finkelstein J, Rhines L, Dekutoski M, Gokaslan Z, France. J, Whyne C, Singh D, Ford. M, Aldebeyan W, Ouellet J, Steffen T, Beckman L, Weber M, Jarzem. P, Kwon B, Ahn H, Bailey C, Fehlings M, Fourney D, Gagnon D, Tsai E, Tsui D, Parent S, Chen J, Dvorak M, Noonan V, Rivers C, Network RHSCIR, Batke J, Lenehan B, Fisher C, Dvorak M, Street. J, Fox R, Nataraj A, Bailey C, Christie S, Duggal N, Fehlings M, Finkelstein J, Fourney D, Hurlbert R, Kwon B, Townson A, Tsai E, Attabib N, Chen J, Dvorak M, Noonan V, Rivers C, Network. RHSCIR, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Kwon B, Parent S, Tsai E, Dvorak M, Noonan V, Rivers C, Shen T, Network. RHSCIR, Fisher C, Kwon B, Drew B, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Mac-Thiong JM, Parent S, Tsai E, Fallah N, Noonan V, Rivers C, Network RHSCIR, Davidson S, McCann C, Akens M, Murphy K, Whyne C, Sherar M, Yee. A, Belanger L, Ronco J, Dea N, Paquette S, Boyd M, Street J, Fisher C, Dvorak M, Kwon B, Gonzalvo A, Fitt G, Liew S, de la Harpe D, Turner P, Rogers M, Bidos A, Fanti C, Young B, Drew B, Puskas. D, Tam H, Manansala S, Nosov V, Delva M, Alshafai N, Kopjar B, Tan G, Arnold P, Fehlings. M, Kopjar B, Arnold P, Ibrahim A, Tetrault. L, Kopjar B, Arnold P, Fehlings. M, Sundararajan K, Eng. S, St-Pierre G, Nataraj A, Urquhart J, Rosas-Arellano P, Tallon C, Gurr K, Siddiqi F, Bailey S, Bailey C, Sundararajan K, Rampersaud. R, Rosa-Arellano P, Tallon C, Bailey S, Gurr K, Bailey. C, Parker R, Milili L, Goss B, Malham. G, Green A, McKeon M, Abraham. E, Lafave L, Parnell J, Rempel J, Moriartey S, Andreas Y, Wilson P, Hepler C, Ray H, Hu. R, Ploumis A, Hess K, Wood. K, Yarascavitch B, Madden K, Ghert M, Drew B, Bhandari M, Kwok D, Tu YS, Salter. M, Hadlow. A, Tso P, Walker K, Lewis S, Davey J, Mahomed N, Coyte. P, Mac-Thiong JM, Roy-Beaudry M, Turgeon I, Labelle H, deGuise J, Parent. S, Jack A, Fox R, Nataraj A, Paquette S, Leroux T, Yee A, Ahn H, Broad R, Fisher C, Hall H, Nataraj A, Hedden D, Christie S, Carey T, Mehta V, Fehlings M, Wadey. V, Dear T, Hashem. M, Fourney D, Goldstein S, Bodrogi A, Lipkus M, Dear T, Keshen S, Veillette C, Gandhi R, Adams D, Briggs N, Davey J, Fehlings M, Lau J, Lewis S, Magtoto R, Marshall K, Massicotte E, Ogilvie-Harris D, Sarro A, Syed K, Mohamed. N, Perera S, Taha A, Urquhart J, Gurr K, Siddiqi F, Bailey C, Thomas K, Cho R, Swamy G, Power C, Henari S, Lenehan. B, McIntosh G, Hall H, Hoffman. C, Karachi A, Pazionis T, AlShaya O, Green A, McKeon M, Manson. N, Green A, McKeon M, Manson. N, Green A, McKeon M, Murray J, Abraham. E, Thomas K, Suttor S, Goyal T, Littlewood J, Bains I, Bouchard J, Hu R, Jacobs B, Cho R, Swamy G, Johnson M, Pelleck V, Amad Y, Ramos E, Glazebrook C. Combined Spine Conference of the Canadian Spine Society New Zealand Orthopaedic Spine Society, Spine Society of Australia: Fairmont Château Lake Louise, Lake, Louise, Alberta, Tuesday, Feb. 25 to Saturday, Mar. 1, 20141.1.01 The use of suspension radiographs to predict LIV tilt.1.1.02 Surgical correction of adolescent idiopathic scoliosis without fusion: an animal model.1.1.03 Are full torso surface topography postural measurements more sensitive to change than back only parameters in adolescents with idiopathic scoliosis and a main thoracic curve?1.2.04 Restoration of thoracic kyphosis in adolescent idiopathic kyphosis: comparative radiographic analysis of round versus rail rods.1.2.05 Scoliosis surgery in spastic quadriplegic cerebral palsy: Is fusion to the pelvis always necessary? A 4–18-year follow-up study.1.2.06 Identification and validation of pain-related biomarkers surrounding spinal surgery in adolescents.1.3.07 Cervical sagittal deformity develops after PJK in adult throacolumbar deformity correction: radiographic analysis using a novel global sagittal angular parameter, the CTPA.1.3.08 Impact of obesity on complications and patient-reported outcomes in adult spinal deformity surgery.1.3.09 The T1 pelvic angle, a novel radiographic measure of sagittal deformity, accounts for both pelvic retroversion and truncal inclination and correlates strongly with HRQOL.1.4.10 Determining cervical sagittal deformity when it is concurrent with thoracolumbar deformity.1.4.11 The influence of sagittal balance and pelvic parameters on the outcome of surgically treated patients with degenerative spondylolisthesis.1.4.12 Predictors of degenerative spondylolisthesis and loading translation in surgical lumbar spinal stenosis patients.2.1.13 Mechanical allodynia following disc herniation requires intraneural macrophage infiltration and can be blocked by systemic selenium delivery or attenuation of BDNF activity.2.1.14 The effect of alanyl-glutamine on epidural fibrosis in a rat laminectomy model.2.1.15 Anterior lumbar interbody fusion using recombinant human bone morphogenetic protein-2: a prospective study of complications.2.2.16 2-year results of a Canadian, multicentre, blinded, pilot study of a novel peptide in promoting lumbar spine fusion.2.2.17 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: long-term change in health-related quality of life.2.2.18 Changes in objectively measured walking performance, function, and pain following surgery for spondylolisthesis and lumbar spinal stenosis.2.3.19 A prospective multicentre observational data-monitored study of minimally invasive fusion to treat degenerative lumbar disorders: complications and outcomes at 1-year follow-up.2.3.20 Assessment and classification of subsidence in lateral interbody fusion using serial computed tomography.2.3.21 Predictors of willingness to undergo spinal and orthopaedic surgery after surgical consultation.2.4.22 Indirect foraminal decompression is independent of facet arthropathy in extreme lateral interbody fusion.2.4.23 Cervical artificial disc replacement with ProDisc-C: clinical and radiographic outcomes with long-term follow-up.2.4.24 Tantalum trabecular metal implants in anterior cervical corpectomy and fusion.3.1.25 Hemangiomas of the spine: results of surgical management and prognostic variables for local recurrence and mortality in a multicentre study.3.1.26 Chondrosarcomas of the spine: prognostic variables for local recurrence and mortality in a multicentre study.3.1.27 Risk factors for recurrence of surgically treated spine schwannomas: analysis of 169 patients from a multicentre international database.3.2.28 Survival pattern and the effect of surgery on health related quality of life and functional outcome in patients with metastatic epidural spinal cord compression from lung cancer — the AOSpine North America prospective multicentre study.3.2.29 A biomechanical assessment of kyphoplasty as a stand-alone treatment in a human cadaveric burst fracture model.3.2.30 What is safer in incompetent vertebrae with posterior wall defects, kyphoplasty or vertebroplasty: a study in vertebral analogs.3.3.31 Feasibility of recruiting subjects for acute spinal cord injury (SCI) clinical trials in Canada.3.3.32 Prospective analysis of adverse events in elderly patients with traumatic spinal cord injury.3.3.33 Does traction before surgery influence time to neural decompression in patients with spinal cord injury?3.4.34 Current treatment of individuals with traumatic spinal cord injury: Do we need age-specific guidelines?3.4.35 Current surgical practice for traumatic spinal cord injury in Canada.3.4.36 The importance of “time to surgery” for traumatic spinal cord injured patients: results from an ambispective Canadian cohort of 949 patients.3.5.37 Assessment of a novel coil-shaped radiofrequency probe in the porcine spine.3.5.38 The effect of norepinephrine and dopamine on cerebrospinal fluid pressure after acute spinal cord injury.3.5.39 The learning curve of pedicle screw placement: How many screws are enough?4.1.40 Preliminary report from the Ontario Inter-professional Spine Assessment and Education Clinics (ISAEC).4.1.41 A surrogate model of the spinal cord complex for simulating bony impingement.4.1.42 Clinical and surgical predictors of specific complications following surgery for the treatment of degenerative cervical myelopathy: results from the multicentre, prospective AOSpine international study on 479 patients.4.2.43 Outcomes of surgical management of cervical spondylotic myelopathy: results of the prospective, multicentre, AOSpine international study in 479 patients.4.2.44 A clinical prediction rule for clinical outcomes in patients undergoing surgery for degenerative cervical myelopathy: analysis of an international AOSpine prospective multicentre data set of 757 subjects.4.2.45 The prevalence and impact of low back and leg pain among aging Canadians: a cross-sectional survey.4.3.46 Adjacent segment pathology: Progressive disease course or a product of iatrogenic fusion?4.3.47 Natural history of degenerative lumbar spondylolisthesis in patients with spinal stenosis.4.3.48 Changes in self-reported clinical status and health care utilization during wait time for surgical spine consultation: a prospective observational study.4.3.49 The Canadian surgical wait list for lumbar degenerative spinal stenosis has a detrimental effect on patient outcomes.4.3.50 Segmental lordosis is independent of interbody cage position in XLIF.4.3.51 Elevated patient BMI does not negatively affect self-reported outcomes of thoracolumbar surgery.1.5.52 The Spinal Stenosis Pedometer and Nutrition Lifestyle Intervention (SSPANLI): development and pilot.1.5.53 Study evaluating the variability of surgical strategy planning for patients with adult spinal deformity.1.5.54 Atlantoaxial instability in acute odontoid fractures is associated with nonunion and mortality.1.5.55 Peripheral hypersensitivity to subthreshold stimuli persists after resolution of acute experimental disc-herniation neuropathy.1.5.56 Radiation induced lumbar spinal osteonecrosis: case report and literature review.1.5.57 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: Part 2 — estimated lifetime incremental cost-utility ratios.1.5.58 A predictive model of progression for adolescent idiopathic scoliosis based on 3D spine parameters at first visit.1.5.59 Development of a clinical prediction model for surgical decision making in patients with degenerative lumbar spine disease.2.5.60 Canadian spine surgery fellowship education: evaluating opportunity in developing a nationally based training curriculum.2.5.61 Pedicle subtraction osteotomy for severe proximal thoracic junctional kyphosis.2.5.62 A comparison of spine surgery referrals triaged through a multidisciplinary care pathway versus conventional referrals.2.5.63 Results and complications of posterior-based 3 column osteotomies in patients with previously fused spinal deformities.2.5.64 Orthopaedic Surgical AdVerse Event Severity (Ortho-SAVES) system: identifying opportunities for improved patient safety and resource utilization.2.5.65 Spontaneous spinal extra-axial haematomas — surgical experience in Otago and Southland 2011–2013.2.5.66 Obesity and spinal epidural lipomatosis in cauda equina syndrome.2.5.67 Factors affecting restoration of lumbar lordosis in adult degenerative scoliosis patients treated with lateral trans-psoas interbody fusion.3.6.68 Systematic review of complications in spinal surgery: a comparison of retrospective and prospective study design.3.6.69 Postsurgical rehabilitation patients have similar fear avoidance behaviour levels as those in nonoperative care.3.6.70 Outcomes of surgical treatment of adolescent spondyloptosis: a case series.3.6.71 Surgical success in primary versus revision thoracolumbar spine surgery.3.6.72 The effect of smoking on subjective patient outcomes in thoracolumbar surgery.3.6.73 Modelling patient recovery to predict outcomes following elective thoracolumbar surgery for degenerative pathologies.3.6.74 Outcomes from trans-psoas versus open approaches in the treatment of adult degenerative scoliosis.3.6.75 Lumbar spinal stenosis and presurgical assessment: the impact of walking induced strain on a performance-based outcome measure. Can J Surg 2014. [DOI: 10.1503/cjs.005614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Mandapaka A, Ghebremedhin A, Farley D, Giacometti V, Vence N, Bashkirov V, Plautz T, Zatserklyaniy A, Johnson R, Sadrozinski H, Patyal B, Schulte R. SU-E-J-35: Clinical Performance Evaluation of a Phase II Proton CT Scanner. Med Phys 2014. [DOI: 10.1118/1.4888087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Sciancalepore AG, Sallustio F, Girardo S, Passione LG, Camposeo A, Mele E, Di Lorenzo M, Costantino V, Schena FP, Pisignano D, Casino FG, Mostacci SD, Di Carlo M, Sabato A, Procida C, Creput C, Vanholder R, Stolear JC, Lefrancois G, Hanoy M, Nortier J, Potier J, Sereni L, Ferraresi M, Pereno A, Nazha M, Barbero S, Piccoli GB, Ficheux A, Gayrard N, Duranton F, Guzman C, Szwarc I, Bismuth -Mondolfo J, Brunet P, Servel MF, Argiles A, Bernardo A, Demers J, Hutchcraft A, Marbury TC, Minkus M, Muller M, Stallard R, Culleton B, Krieter DH, Korner T, Devine E, Ruth M, Jankowski J, Wanner C, Lemke HD, Surace A, Rovatti P, Steckiph D, Mancini E, Santoro A, Leypoldt JK, Agar BU, Bernardo A, Culleton BF, Vankova S, Havlin J, Klomp DJ, Van Beijnum F, Day JPR, Wieringa FP, Kooman JP, Gremmels H, Hazenbrink DH, Simonis F, Otten ML, Wester M, Boer WH, Joles JA, Gerritsen KG, Umimoto K, Shimamoto Y, Mastushima K, Miyata M, Muller M, Naik A, Pokropinski S, Bairstow S, Svatek J, Young S, Johnson R, Bernardo A, Rikker C, Juhasz E, Gaspar R, Rosivall L, Rusu E, Zilisteanu D, Balanica S, Achim C, Atasie T, Carstea F, Voiculescu M, Monzon Vazquez T, Saiz Garcia S, Mathani V, Escamilla Cabrera B, Cornelis T, Van Der Sande FM, Eloot S, Cardinaels E, Bekers O, Damoiseaux J, Leunissen KM, Kooman J, Baamonde Laborda E, Bosch Benitez-Parodi E, Perez Suarez G, Anton Perez G, Batista Garcia F, Lago Alonso M, Garcia Canton C, Hashimoto S, Seki M, Tomochika M, Yamamoto R, Okamoto N, Nishikawa A, Koike T, Ravagli E, Maldini L, Badiali F, Perazzini C, Lanciotti G, Steckiph D, Surace A, Rovatti P, Severi S, Rigotti A, McFarlane P, Marticorena R, Dacouris N, Pauly R, Nikitin S, Amdahl M, Bernardo A, Culleton B, Calabrese G, Mancuso D, Mazzotta A, Vagelli G, Balenzano C, Steckiph D, Bertucci A, Della Volpe M, Gonella M, Uchida T, Ando K, Kofuji M, Higuchi T, Momose N, Ito K, Ueda Y, Miyazawa H, Kaku Y, Nabata A, Hoshino T, Mori H, Yoshida I, Ookawara S, Tabei K, Umimoto K, Suyama M, Shimamoto Y, Miyata M, Kamada A, Sakai R, Minakawa A, Fukudome K, Hisanaga S, Ishihara T, Yamada K, Fukunaga S, Inagaki H, Tanaka C, Sato Y, Fujimoto S, Potier J, Bouet J, Queffeulou G, Bell R, Nolin L, Pichette V, Provencher H, Lamarche C, Nadeau-Fredette AC, Ouellet G, Leblanc M, Bezzaoucha S, Kouidmir Y, Kassis J, Alonso ML, Lafrance JP, Vallee M, Fils J, Mailley P, Cantaluppi V, Medica D, Quercia AD, Dellepiane S, Ferrario S, Gai M, Leonardi G, Guarena C, Caiazzo M, Biancone L, Enos M, Culleton B, Wiebenson D, Potier J, Hanoy M, Duquennoy S, Tingli W, Ling Z, Yunying S, Ping F, Dolley-Hitze T, Hamel D, Lombart ML, Leypoldt JK, Bernardo A, Hutchcraft AM, Vanholder R, Culleton BF, Movilli E, Camerini C, Gaggia P, Zubani R, Feller P, Pola A, Carli O, Salviani C, Manenti C, Cancarini G, Bozzoli L, Colombini E, Ricchiuti G, Pisanu G, Gargani L, Donadio C, Sidoti A, Lusini ML, Biagioli M, Ghezzi PM, Sereni L, Caiazzo M, Palladino G, Tomo T, Ishida K, Nakata T, Hamel D, Dolley-Hitze T. HAEMODIALYSIS TECHNIQUES AND ADEQUACY 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu153] [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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Poesen R, Viaene L, Bammens B, Claes K, Evenepoel P, Meijers B, Bozic M, De Pablo C, Alvarez A, Sanchez-Nino MD, Ortiz A, Fernandez E, Valdivielso JM, Speer T, Zewinger S, Holy EW, Stahli BE, Triem S, Cvija H, Rohrer L, Seiler S, Heine GH, Jankowski V, Jankowski J, Camici G, Akhmedov A, Luscher TF, Tanner FC, Fliser D, Isoyama N, Leurs P, Qureshi AR, Anderstam B, Heimburger O, Barany P, Stenvinkel P, Lindholm B, Bolasco P, Palleschi S, Rossi B, Atti M, Amore A, Coppo R, Loiacono E, Ghezzi PM, Palladino G, Caiazzo M, Di Napoli A, Tazza L, Franco F, Chicca S, Bossola M, Di Lallo D, Michelozzi P, Davoli M, Lucisano S, Arena A, Lupica R, Cernaro V, Trimboli D, Aloisi C, Montalto G, Santoro D, Buemi M, Burtey S, Poitevin S, Darbousset R, Gondouin B, Dubois C, Erkmen Uyar M, Bal Z, Bayraktar N, Gurlek Demirci B, Sayin B, Sezer S, Rogacev K, Zawada A, Emrich I, Seiler S, Bohm M, Fliser D, Woollard K, Heine G, Gbandjaba NY, Ghalim N, Saile R, Khalil A, Fujii H, Yamashita Y, Yonekura Y, Nakai K, Kono K, Goto S, Sugano M, Goto S, Ito Y, Nishi S, Leurs P, Meuwese C, Carrero JJ, Qureshi AR, Anderstam B, Barany P, Heimburger O, Stenvinkel P, Lindholm B, Riccio E, Sabbatini M, Bellizzi V, Pisani A, Svedberg O, Stenvinkel P, Qureshi AR, Barany P, Heimburger O, Leurs P, Isoyama N, Lindholm B, Anderstam B, Barreto-Silva MI, Lemos C, Costa-Silva F, Mendes R, Bregman R, Barreto - Silva MI, Lemos C, Vargas S, Barja-Fidalgo TC, Bregman R, Sidoti A, Lusini ML, Biagioli M, Sereni L, Ghezzi PM, Caiazzo M, Palladino G, Kara E, Ahbap E, Basturk T, Koc Y, Sakaci T, Sahutoglu T, Sevinc M, Akgol C, Unsal A, Snaedal S, Qureshi AR, Carrero JJ, Heimburger O, Stenvinkel P, Barany P, Paliouras C, Haviatsos T, Lamprianou F, Papagiannis N, Ntetskas G, Roufas K, Karvouniaris N, Anastasakis E, Moschos N, Alivanis P, Santoro D, Ingegneri MT, Vita G, Pisacane A, Bellinghieri G, Savica V, Buemi M, Lucisano S, Kim HK, Kim SC, Kim MG, Jo SK, Cho WY, Altunoglu A, Yavuz D, Canoz MB, Yavuz R, Karakas LA, Bayraktar N, Colak T, Sezer S, Ozdemir FN, Haberal M, Akbasli AC, Keven K, Erbay B, Nebio lu S, Loboda O, Dudar I, Krot V, Alekseeva V, Grabulosa CC, De Carvalho JTG, Manfredi SR, Canziani ME, Quinto BMR, Peres AT, Batista MC, Cendoroglo M, Dalboni MA, Zingerman B, Azoulay O, Gamzo Z, Rozen-Zvi B, Stefan G, Capusa C, Stancu S, Ilyes A, Viasu L, Mircescu G, Yilmaz MI, Solak Y, Saglam M, Cayci T, Acikel C, Unal HU, Eyileten T, Oguz Y, Sari S, Carrero JJ, Stenvinkel P, Covic A, Kanbay M, Kim YN, Park K, Gwoo S, Shin HS, Jung YS, Rim H, Rhew HY, Gok M, Kurt Y, Unal HU, CetInkaya H, Karaman M, EyIeten T, Vural A, Yilmaz MI, Oguz Y, Flisi Ski M, Brymora A, StrozEcki P, Stefa Ska A, Manitius J, Donderski R, Mi Kowiec-Wi Niewska I, Kretowicz M, Johnson R, Kami Ska A, Junik R, Siodmiak J, Stefa Ska A, Odrowaz-Sypniewska G, Manitius J, Tasic D, Radenkovic S, Kocic G, Wyskida K, Spiechowicz-Zato U, Rotkegel S, Ciepal J, Klein D, Bozentowicz-Wikarek M, Brzozowska A, Olszanecka-Glinianowicz M, Chudek J, Dimitrijevic Z, Cvetkovic T, Mitic B, Paunovic K, Paunovic G, Stojanovic M, Velickovic-Radovanovic R, Gliga ML, Gliga PM, Stoica C, Tarta D, Dogaru G. CKD NUTRITION, INFLAMMATION AND OXIDATIVE STRESS. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Xu H, Huang X, Riserus U, Cederholm T, Lindholm B, Arnlov J, Carrero JJ, Leiba A, Vivante A, Bulednikov Y, Golan E, Skorecki K, Shohat T, Mjoen G, Zannad F, Jardine A, Schmieder R, Fellstrom B, Holdaas H, Zager P, Miskulin D, Gassman J, Kendrick C, Ploth D, Jhamb M, Jankowski V, Schulz A, Mischak H, Zidek W, Jankowski J, Lee YK, Cho A, Kim JK, Choi MJ, Kim SJ, Yoon JW, Koo JR, Kim HJ, Noh JW, Itano S, Satoh M, Kidokoro K, Sasaki T, Kashihara N, Koutroumpas G, Sarafidis P, Georgianos P, Karpetas A, Protogerou A, Syrganis C, Malindretos P, Raptopoulou K, Panagoutsos S, Pasadakis P, Zager P, Miskulin D, Gassman J, Kendrick C, Jhamb M, Ploth D, Vink EE, De Boer A, Verloop WL, Spiering W, Voskuil M, Vonken EJ, Hoogduin JM, Leiner T, Bots ML, Blankestijn PJ, Sarafidis PA, Karpetas AV, Georgianos PI, Bikos A, Sklavenitis-Pistofidis R, Tzimou R, Raptis V, Vakianis P, Tersi M, Liakopoulos V, Lasaridis AN, Protogerou A, Ribeiro S, Fernandes J, Garrido P, Sereno J, Vala H, Bronze Da Rocha E, Belo L, Costa E, Reis F, Santos-Silva A, Kalaitzidis R, Skapinakis P, Karathanos V, Karasavvidou D, Katatsis G, Pappas K, Hatzidakis S, Siamopoulos K, Margulis F, Sabbatiello R, Castro C, Ramallo S, Martinez M, Schiavelli R, Ganem D, Nakhoul F, Roth A, Farber E, Kim CS, Kim HY, Kang YU, Choi JS, Bae EH, Ma SK, Kim SW, Koutroumpas G, Sarafidis P, Georgianos P, Karpetas A, Protogerou A, Malindretos P, Syrganis C, Tzanis G, Panagoutsos S, Pasadakis P, Jankowski M, Kasztan M, Kowalski R, Piwkowska A, Rogacka D, Szczepa Ska-Konkel M, Angielski S, Evangelou D, Naka K, Kalaitzidis R, Lakkas L, Bechlioulis A, Gkirdis I, Nakas G, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Pappas K, Katsouras C, Dounousi E, Michalis L, Siamopoulos K, Maciorkowska D, Zbroch E, Koc-Zorawska E, Malyszko J, Karabay Bayazit A, Yuksekkaya I, Aynaci S, Anarat A, Nakai K, Fujii H, Ishida R, Utaka C, Awata R, Goto S, Ito J, Nishi S, Elsurer R, Afsar B, Lepar Z, Radulescu D, David C, Peride I, Niculae A, Checherita IA, Ciocalteu A, Sungur CI, Kanbay M, Siriopol D, Nistor I, Elcioglu OC, Telci O, Johnson R, Covic A, Vettoretti S, Gallazzi E, Meazza R, Gagliardi V, Villarini A, Alfieri CM, Floreani R, Messa P, Vettoretti S, Alfieri CM, Gallazzi E, Gagliardi V, Villarini A, Meazza R, Floreani R, Messa P, Kotovskaya Y, Villevalde S, Kobalava Z, Circiumaru A, Rusu E, Zilisteanu D, Atasie T, Cirstea F, Ecobici M, Voiculescu M, Rosca M, Tanase C, Baoti I, Vidjak V, Prka in I, Bulum T, Arslan E, Sarlak H, Cakar M, Demirbas S, Akhan M, Kurt O, Balta S, Yesilkaya S, Bulucu F, Chan CK, Lin YH, Wu VC, Wu KD, De Beus E, Bots ML, Van Zuilen AD, Wetzels JF, Blankestijn PJ, Mohaupt M, Straessle K, Baumann M, Raio L, Sirbek D, Nascimento MA, Mouro MG, Punaro GR, Mello MT, Tufik S, Higa EMS. HYPERTENSION. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Dludla PV, Muller CJF, Louw J, Joubert E, Salie R, Opoku AR, Johnson R. The cardioprotective effect of an aqueous extract of fermented rooibos (Aspalathus linearis) on cultured cardiomyocytes derived from diabetic rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2014; 21:595-601. [PMID: 24268738 DOI: 10.1016/j.phymed.2013.10.029] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 09/26/2013] [Accepted: 10/27/2013] [Indexed: 06/02/2023]
Abstract
Diabetic cardiomyopathy (DCM) is a disorder of the heart muscle that contributes to cardiovascular deaths in the diabetic population. Excessive generation of free radicals has been directly implicated in the pathogenesis of DCM. The use of antioxidants, through dietary supplementation, to combat increased cellular oxidative stress has gained popularity worldwide. Aspalathus linearis (rooibos) is a popular herbal tea that contains a novel antioxidant, aspalathin. Literature has reported on the antidiabetic, anti-inflammatory and free radical scavenging effects of rooibos. However, its protective effect against DCM has not been established. Therefore, this study investigated whether chronic exposure to an aqueous extract of fermented rooibos (FRE) has an ex vivo cardioprotective effect on hearts obtained from streptozotocin (STZ) induced diabetic rats. Adult Wistar rats were injected with 40 mg/kg of STZ. Two weeks after STZ injection, cardiomyocytes were isolated and cultured. Cultured cardiomyocytes were treated with FRE (1 and 10 μg/ml), vitamin E (50 μg/ml), and n-acetyl cysteine (1mM) for 6h, before exposure to either hydrogen peroxide (H2O2) or an ischemic solution. Cardiomyocytes exposed to H2O2 or an ischemic solution showed a decrease in metabolic activity and glutathione content with a concomitant increase in apoptosis and intracellular reactive oxygen species. Pretreatment with FRE was able to combat these effects and the observed amelioration was better than the known antioxidant vitamin E. This study provides evidence that an aqueous extract of fermented rooibos protects cardiomyocytes, derived from diabetic rats, against experimentally induced oxidative stress and ischemia.
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Fuller J, Kim D, Arnhold E, Sung R, Borden A, Ortega L, Johnson R, Albornoz‐Williams H, Gummin C, Martinez A, Boldt N, Ogunkunle O, Ahn P, Kasten B, Furumo Q, Yorke N, McBride J, Mullooly I, Tripi M, Hutt D, Klestinski K, Kaiser C, Jackson W. The Silent Assassin (LB93). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.lb93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Hoops G, Johnson R. Probing the active site of the Rv0045c esterase from
Mycobaterium tuberculosis
(580.4). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.580.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Oliver G, Plummer H, Johnson R, Holt T, Henning L, Weimar W. ASSOCIATION OF HIP RANGE OF MOTION AND UPPER EXTREMITY KINETICS IN YOUTH BASEBALL PITCHING. Br J Sports Med 2014. [DOI: 10.1136/bjsports-2014-093494.229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Meltzer HY, Lindenmayer JP, Kwentus J, Share DB, Johnson R, Jayathilake K. A six month randomized controlled trial of long acting injectable risperidone 50 and 100mg in treatment resistant schizophrenia. Schizophr Res 2014; 154:14-22. [PMID: 24630262 DOI: 10.1016/j.schres.2014.02.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 02/11/2014] [Accepted: 02/14/2014] [Indexed: 10/25/2022]
Abstract
It has been suggested that atypical antipsychotic drugs (A-APDs) other than clozapine may be effective to improve positive symptoms in some patients with treatment resistant schizophrenia (TRS), if both the dose is higher, and the duration of the trial longer, than those which have been ineffective in non-TRS (NTRS) patients. This hypothesis was tested with long acting injectable risperidone (Risperdal Consta®, RLAI). One hundred sixty TRS patients selected for persistent moderate-severe delusions or hallucinations, or both, were randomized to RLAI, 50 or 100mg biweekly, in a six month, outpatient, double-blind, multicenter trial. We hypothesized that RLAI, 100mg, would be more effective than RLAI, 50mg. However, both doses produced clinically significant and equivalent improvement in PANSS Total, Positive, and Negative subscale scores, as well as key cognitive, global and functional measures, with increasing response during the course of the study, confirming the value of longer clinical trial duration for patients with TRS, but not superiority of the higher dose. The overall response rate was comparable to that previously reported for clozapine and high dose olanzapine, another A-APD, in TRS. Both doses of RLAI were equally well tolerated, producing minimal extrapyramidal side effects and few drop outs. Plasma levels of the active moiety, risperidone+9-hydroxyrisperidone, during treatment with RLAI 100mg, were comparable to those for 6-8 mg/day oral risperidone, which have not been effective in TRS. Further study of RLAI, ≥ 50-100mg biweekly, should compare it with clozapine and oral risperidone in TRS, with duration of treatment ≥ six months.
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Ralston JD, Cook AJ, Anderson ML, Catz SL, Fishman PA, Carlson J, Johnson R, Green BB. Home blood pressure monitoring, secure electronic messaging and medication intensification for improving hypertension control: a mediation analysis. Appl Clin Inform 2014; 5:232-48. [PMID: 24734136 DOI: 10.4338/aci-2013-10-ra-0079] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 01/16/2014] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE We evaluated the role of home monitoring, communication with pharmacists, medication intensification, medication adherence and lifestyle factors in contributing to the effectiveness of an intervention to improve blood pressure control in patients with uncontrolled essential hypertension. METHODS We performed a mediation analysis of a published randomized trial based on the Chronic Care Model delivered over a secure patient website from June 2005 to December 2007. Study arms analyzed included usual care with a home blood pressure monitor and usual care with home blood pressure monitor and web-based pharmacist care. Mediator measures included secure messaging and telephone encounters; home blood pressure monitoring; medications intensification and adherence and lifestyle factors. Overall fidelity to the Chronic Care Model was assessed with the Patient Assessment of Chronic Care (PACIC) instrument. The primary outcome was percent of participants with blood pressure (BP) <140/90 mm Hg. RESULTS At 12 months follow-up, patients in the web-based pharmacist care group were more likely to have BP <140/90 mm Hg (55%) compared to patients in the group with home blood pressure monitors only (37%) (p = 0.001). Home blood pressure monitoring accounted for 30.3% of the intervention effect, secure electronic messaging accounted for 96%, and medication intensification for 29.3%. Medication adherence and self-report of fruit and vegetable intake and weight change were not different between the two study groups. The PACIC score accounted for 22.0 % of the main intervention effect. CONCLUSIONS The effect of web-based pharmacist care on improved blood pressure control was explained in part through a combination of home blood pressure monitoring, secure messaging, and antihypertensive medication intensification.
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Lewis D, Young P, Buttini F, Church T, Colombo P, Forbes B, Haghi M, Johnson R, O’Shea H, Salama R, Traini D. Towards the bioequivalence of pressurised metered dose inhalers 1: Design and characterisation of aerodynamically equivalent beclomethasone dipropionate inhalers with and without glycerol as a non-volatile excipient. Eur J Pharm Biopharm 2014; 86:31-7. [DOI: 10.1016/j.ejpb.2013.02.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2012] [Revised: 02/22/2013] [Accepted: 02/25/2013] [Indexed: 10/27/2022]
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Sylvester WRB, Amadi V, Pinckney R, Macpherson CNL, McKibben JS, Bruhl-Day R, Johnson R, Hariharan H. Prevalence, serovars and antimicrobial susceptibility of Salmonella spp. from wild and domestic green iguanas (Iguana iguana) in Grenada, West Indies. Zoonoses Public Health 2013; 61:436-41. [PMID: 24325463 DOI: 10.1111/zph.12093] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Indexed: 11/27/2022]
Abstract
Cloacal swabs from 62 green iguanas (Iguana iguana), including 47 wild and 15 domestic ones from five parishes of Grenada, were sampled during a 4-month period of January to April 2013 and examined by enrichment and selective culture for the presence of Salmonella spp. Fifty-five per cent of the animals were positive, and eight serovars of Salmonella were isolated. The most common serovar was Rubislaw (58.8%), a serovar found recently in many cane toads in Grenada, followed by Oranienburg (14.7%), a serovar that has been causing serious human disease outbreaks in Japan. Serovar IV:48:g,z51 :- (formerly, S. Marina) highly invasive and known for serious infections in children in the United States, constituted 11.8% of the isolates, all of them being from domestic green iguanas. Salmonella Newport, a serovar recently found in a blue land crab in Grenada, comprised 11.8% of the isolates from the green iguanas. The remaining four less frequent serovars included S. Javiana and S. Glostrup. Antimicrobial susceptibility tests conducted by a disc diffusion method against amoxicillin-clavulanic acid, ampicillin, cefotaxime, ceftazidime, ciprofloxacin, enrofloxacin, gentamicin, nalidixic acid, streptomycin, tetracycline and trimethoprim-sulfamethoxazole showed that drug resistance is minimal, with intermediate susceptibility, mainly to streptomycin, tetracycline and cefotaxime. This is the first report of isolation and antimicrobial susceptibilities of various Salmonella serovars from wild and domestic green iguanas in Grenada, West Indies.
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Ajani JA, Wang X, Song S, Suzuki A, Taketa T, Sudo K, Wadhwa R, Hofstetter WL, Komaki R, Maru DM, Lee JH, Bhutani MS, Weston B, Baladandayuthapani V, Yao Y, Honjo S, Scott AW, Skinner HD, Johnson RL, Berry D. ALDH-1 expression levels predict response or resistance to preoperative chemoradiation in resectable esophageal cancer patients. Mol Oncol 2013; 8:142-9. [PMID: 24210755 DOI: 10.1016/j.molonc.2013.10.007] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 10/14/2013] [Accepted: 10/15/2013] [Indexed: 01/16/2023] Open
Abstract
PURPOSE Operable thoracic esophageal/gastroesophageal junction carcinoma (EC) is often treated with chemoradiation and surgery but tumor responses are unpredictable and heterogeneous. We hypothesized that aldehyde dehydrogenase-1 (ALDH-1) could be associated with response. METHODS The labeling indices (LIs) of ALDH-1 by immunohistochemistry in untreated tumor specimens were established in EC patients who had chemoradiation and surgery. Univariate logistic regression and 3-fold cross validation were carried out for the training (67% of patients) and validation (33%) sets. Non-clinical experiments in EC cells were performed to generate complimentary data. RESULTS Of 167 EC patients analyzed, 40 (24%) had a pathologic complete response (pathCR) and 27 (16%) had an extremely resistant (exCRTR) cancer. The median ALDH-1 LI was 0.2 (range, 0.01-0.85). There was a significant association between pathCR and low ALDH-1 LI (p ≤ 0.001; odds-ratio [OR] = 0.432). The 3-fold cross validation led to a concordance index (C-index) of 0.798 for the fitted model. There was a significant association between exCRTR and high ALDH-1 LI (p ≤ 0.001; OR = 3.782). The 3-fold cross validation led to the C-index of 0.960 for the fitted model. In several cell lines, higher ALDH-1 LIs correlated with resistant/aggressive phenotype. Cells with induced chemotherapy resistance upregulated ALDH-1 and resistance conferring genes (SOX9 and YAP1). Sorted ALDH-1+ cells were more resistant and had an aggressive phenotype in tumor spheres than ALDH-1- cells. CONCLUSIONS Our clinical and non-clinical data demonstrate that ALDH-1 LIs are predictive of response to therapy and further research could lead to individualized therapeutic strategies and novel therapeutic targets for EC patients.
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Zheng Y, Johnson R, Risalvato D. Is Density Override for Fiducial-Induced CT Artifacts Necessary in Proton Treatment Planning of Prostate Cancer? Int J Radiat Oncol Biol Phys 2013. [DOI: 10.1016/j.ijrobp.2013.06.1963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Whelan-Johnson S, Johnson R, Dalton R, Ward-Booth S. Optimising outcomes – Emergency surgery in the over 80's. Int J Surg 2013. [DOI: 10.1016/j.ijsu.2013.06.674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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