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End-Expiratory versus Averaged PAWP Measurements for the Diagnosis of Exercise-Induced HFpEF. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Validation of the Heartmate 3 Risk Score in a Real World Patient Cohort. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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155P BNT113 + pembrolizumab as first-line treatment in patients with unresectable recurrent/metastatic HNSCC: Preliminary safety data from AHEAD-MERIT. IMMUNO-ONCOLOGY AND TECHNOLOGY 2022. [DOI: 10.1016/j.iotech.2022.100267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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ADULT CONGENITAL HEART DISEASE HEALTH SERVICES IN CANADA-WHERE HAVE WE COME IN THE PAST 15 YEARS. Can J Cardiol 2022. [DOI: 10.1016/j.cjca.2022.08.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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THE IMPACT OF THE COVID-19 PANDEMIC RESTRICTIONS ON THE PROVISION OF ACHD CARE ACROSS CANADA. Can J Cardiol 2022. [PMCID: PMC9595437 DOI: 10.1016/j.cjca.2022.08.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Axillary IABP Migration into SMA. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1735] [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] Open
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1034TiP ARTISTRY-6: Nemvaleukin alfa monotherapy in patients with advanced mucosal and cutaneous melanoma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1418] [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] Open
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P-17 CT colonography: A minimally invasive screening option for colorectal cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.072] [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] Open
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Racial Differences in In-Hospital Outcomes after the Use of Temporary Mechanical Circulatory Support as a Bridge to Heart Transplant. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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ECHOCARDIOGRAPHIC OUTCOMES FOLLOWING EDWARDS TRANSCATHETER MITRAL VALVE REPLACEMENT SYSTEM FOR SIGNIFICANT MITRAL REGURGITATION: A SINGLE CENTRE EXPERIENCE. Can J Cardiol 2020. [DOI: 10.1016/j.cjca.2020.07.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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975TiP Phase Ib trial of ABBV-368 + tilsotolimod in combination with nab-paclitaxel and/or budigalimab (ABBV-181) in patients with recurrent/metastatic head and neck squamous cell carcinoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Abstract
IntroductionThe number of novel psychoactive substances (NPS) available is increasing. Synthetic cannabinoids (SC) are one of many NPS sold. SC aim to emulate the effects of natural cannabis by acting on cannabinoid receptors. Despite much research into pharmacology, there is limited data on the user experience of SC.AimIt is useful for psychiatrists, to understand what experiences people have whilst on illicit substances. The aim of this qualitative study is to gain an initial understanding of what characterizes the experiences of those who use SC.MethodFourty anonymously written online reports were collected from the “Erowid experience vaults” and analysed using the Empirical Phenomenological Psychological Method.ResultsThe analysis yielded 488 meaning units (MU). These were grouped into 36 categories revealing 5 broad themes: (1) physical affects; (2) sensory distortions and distortions of perception; (3) emotional and psychological effects; (4) re-dosing, addiction and comedown effects; (5) similarities to other substances.ConclusionSynthetic cannabinoids have a mixed effect on users with a myriad of experiences reported. Some experienced positive results from their usage such as euphoria and relaxation, however these were counter balanced by those who experienced some serious negative emotional and physical side effects such as anxiety, paranoia, palpitations and convulsions. SC appear to often emulate that of their natural counterpart, yet there is an unpredictability to them which can end with serious consequences. Online forum content gives us a strong base understanding of users experiences of SC. Further research is required to elucidate a more nuanced understanding.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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ARRHYTHMIC AND THROMBOEMBOLIC OUTCOMES IN ADULTS WITH COARCTATION OF THE AORTA. Can J Cardiol 2019. [DOI: 10.1016/j.cjca.2019.07.475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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SACUBUTRIL/VALSARTAN IS SAFE AND EFFECTIVE IN REDUCING HEART FAILURE SYMPTOMS IN ADULTS WITH CONGENITAL HEART DISEASE. Can J Cardiol 2019. [DOI: 10.1016/j.cjca.2019.07.569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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First-line (1L) or second-line (2L) avelumab monotherapy in patients (pts) with advanced renal cell carcinoma (aRCC) enrolled in the phase Ib JAVELIN solid tumor trial. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy283.086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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IMPROVING THE DETECTION OF APICAL ANEURYSMS IN HYPERTROPHIC CARDIOMYOPATHY USING PARADOXICAL JET FLOW ON DOPPLER ECHOCARDIOGRAPHY. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.111] [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] Open
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P01.135 User experience with new, aesthetically improved transducer arrays for delivery of tumor treating fields for glioblastoma. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy139.177] [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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OS5.5 Surveillance data demonstrates the tolerability of tumor treating fields in pediatric glioma patients. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy139.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Chronic kidney damage in the adult Fontan population. Int J Cardiol 2018; 257:62-66. [DOI: 10.1016/j.ijcard.2017.11.118] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 10/24/2017] [Accepted: 11/30/2017] [Indexed: 12/21/2022]
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Longitudinal sequential biventricular assessment in adults with transposition of the great arteries and relationship with adverse outcomes. Int J Cardiol 2017; 248:131-135. [DOI: 10.1016/j.ijcard.2017.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/20/2017] [Accepted: 08/04/2017] [Indexed: 10/19/2022]
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CHADS2 SCORE ASSOCIATED WITH ATRIAL FIBRILLATION BUT NOT PREDICTIVE OF STROKE IN ADULTS WITH CONGENITAL HEART DISEASE. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.035] [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] Open
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Increased Neonatal Respiratory Morbidity Associated with Gestational and Pregestational Diabetes: A Retrospective Study. Am J Perinatol 2017; 34:1160-1168. [PMID: 28738436 PMCID: PMC6113652 DOI: 10.1055/s-0037-1604414] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE: To examine risk of neonatal respiratory morbidity associated with gestational and pregestational diabetes, accounting for the prematurity-associated risk using a propensity score analysis. STUDY DESIGN: In a retrospective study including 222,978 singleton pregnancies, delivering at 24 0/7–41 6/7 weeks (2002–2008), we calculated a probability to deliver at term (≥ 37 weeks’ gestation). Outcomes were stratified by the probability to deliver at term (>0.8 and ≤0.8). Adjusted odds ratios (aOR) with 95% confidence intervals (95%CI) were calculated. RESULTS: Gestational and pregestational diabetes complicated 5.1% and 1.5% of pregnancies, respectively and were associated with increased risks of neonatal respiratory morbidity compared to women without diabetes regardless of probability to deliver at term, although the risks tended to be higher with a higher probability to deliver at term: respiratory distress syndrome: aOR 1.5; 95%CI 1.3–1.7 and aOR 3.1; 95%CI 2.6–3.7; transient tachypnea of newborn aOR 1.5; 95%CI 1.3–1.6, and aOR 2.2; 95%CI 1.9–2.6; and apnea aOR 1.5; 95%CI 1.2–1.7 and aOR 3.2; 95%CI 2.6–3.9, for gestational and pregestational at term, respectively. CONCLUSION: Diabetes was associated with increased risk of neonatal respiratory morbidity beyond what can be attributed to prematurity. Neonatal respiratory morbidities were increased with pregestational compared with gestational diabetes.
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Sex differences in cardiovascular disease - Impact on care and outcomes. Front Neuroendocrinol 2017; 46:46-70. [PMID: 28428055 PMCID: PMC5506856 DOI: 10.1016/j.yfrne.2017.04.001] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/31/2017] [Accepted: 04/13/2017] [Indexed: 02/07/2023]
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Wearable embroidered muscle activity sensing device for the human upper leg. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2017; 2016:6062-6065. [PMID: 28269635 DOI: 10.1109/embc.2016.7592111] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Within the last decade, running has become one of the most popular physical activities in the world. Although the benefits of running are numerous, there is a risk of Running Related Injuries (RRIs) of the lower extremities. Electromyography (EMG) techniques have previously been used to study causes of RRIs, but the complexity of this technology limits its use to a laboratory setting. As running is primarily an outdoors activity, this lack of technology acts as a barrier to the study of RRIs in natural environments. This study presents a minimally invasive wearable muscle sensing device consisting of jogging leggings with embroidered surface EMG (sEMG) electrodes capable of recording muscle activity data of the quadriceps group. To test the use of the device, a proof of concept study consisting of N = 2 runners performing a set of 5 km running trials is presented in which the effect of running surfaces on muscle fatigue, a potential cause of RRIs, is evaluated. Results show that muscle fatigue can be analysed from the sEMG data obtained through the wearable device, and that running on soft surfaces (such as sand) may increase the likelihood of suffering from RRIs.
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MINERALOCORTICOID RECEPTOR ANTAGONIST UTILIZATION IN ELIGIBLE PATIENTS POST ST-ELEVATION MYOCARDIAL INFARCTION. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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ASSESSMENT OF PREVALENCE OF KIDNEY DYSFUNCTION IN THE ADULT FONTAN POPULATION. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Influence of Left Ventricular Geometry and Body-surface Area on Mitral Annulus Dimensions – Assessment by Computed Tomografy. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1550961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Outcomes of adults with Fontan palliation for underlying hypoplastic left heart syndrome. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Pregnancy among women with pulmonary arterial hypertension: A changing landscape? Int J Cardiol 2014; 177:490-1. [DOI: 10.1016/j.ijcard.2014.08.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 08/09/2014] [Indexed: 10/24/2022]
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UTILIZATION OF CONDITION SPECIFIC LONG TERM CARE PLANS TO FACILITATE TRANSITION TO THE ADULT HEALTHCARE SYSTEM (ON TRAC). Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.186] [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] Open
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Right Ventricular Assessment in Adult Congenital Heart Disease Patients With a RV to PA Conduit: Validation of a 3D Knowledge Based Reconstruction Method. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Prevalence of Patent Foramen Ovale in Patients with Acute Myocardial Infarction and Angiographically Normal Coronary Arteries. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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798 Right Ventricle to Pulmonary Artery Conduit Reoperations in Complex Congenital Heart Disease: What is the Optimal Timing of Transcatheter Pulmonary Valve Implantation? Can J Cardiol 2012. [DOI: 10.1016/j.cjca.2012.07.718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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OS029. Severe anemia, sickle cell disease, and thalassemia as riskfactors for preeclampsia in developing countries. Pregnancy Hypertens 2012; 2:191-2. [PMID: 26105243 DOI: 10.1016/j.preghy.2012.04.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Hypertensive disorders during pregnancy contribute greatly to maternal and perinatal morbidity and mortality in developing countries. The pathogenesis of such conditions may be illuminated by exploring their relationship to anemia. OBJECTIVES To determine whether several types of anemia are risk factors for hypertensive disorders during pregnancy in developing countries. METHODS Using data from the World Health Organization Global Survey for Maternal and Perinatal Health, collected in hospitals in six African and six Latin American countries from 2007 to 2008 and in four Asian countries from 2004 to 2005, we examined the associations between severe anemia, sickle cell disease and thalassemia and gestational hypertension or preeclampsia/eclampsia. After exclusions for comorbidities (chronic hypertension, diabetes, HIV infection) and missing data, the severe anemia, sickle cell disease, and thalassemia groups consisted of 219,627,117,383, and 9376 women, respectively. RESULTS Multiparous women with severe anemia were at an increased risk of gestational hypertension (adjusted odds ratio (OR): 1.58; 95% confidence interval (CI): 1.15-2.19). Severe anemia had a significant association with preeclampsia/eclampsia for nulliparous (OR: 3.55; 95% CI: 2.87-4.41) and multiparous (OR: 3.94; 95% CI: 3.05-5.09) women. Sickle cell disease exhibited a significant association with gestational hypertension among nulliparous (OR: 2.49; 95% CI: 1.46-4.25) and multiparous (OR: 3.27; 95% CI: 2.33-4.58) women. No significant associations were found between sickle cell disease and preeclampsia/eclampsia, or between thalassemia and either gestational hypertension or preeclampsia/eclampsia. CONCLUSION Severe anemia appears to be a risk factor for preeclampsia/eclampsia, while sickle cell disease appears to be a risk factor for gestational hypertension among women seeking hospital care in developing countries.
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Cardiac MRI: Indications and Clinical Utility—A Single Centre Experience. Heart Lung Circ 2012. [DOI: 10.1016/j.hlc.2012.05.474] [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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045 Silent Thromboembolic Events in Adults After the Fontan Operation. Can J Cardiol 2011. [DOI: 10.1016/j.cjca.2011.07.042] [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] Open
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Does the individualized reference outperform a simple ultrasound-based reference applied to birth weight in predicting child neurodevelopment? ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2011; 38:62-66. [PMID: 21154763 PMCID: PMC3059357 DOI: 10.1002/uog.8902] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/22/2010] [Indexed: 05/30/2023]
Abstract
OBJECTIVES Being small-for-gestational age (SGA) is associated with an increased risk of morbidity, but questions remain about how best to diagnose SGA, and thus, predict poor health consequences. The authors sought to compare an individualized reference for defining SGA with simple birth weight-based and ultrasound-based references applied to birth weight in predicting poor cognitive development at age five. METHODS The authors used data from the Successive SGA Births Study, a prospective study including 699 Alabaman and 618 Scandinavian women recruited from 1986 to 1988, and whose children had cognitive development scores measured at age five using the Wechsler Preschool and Primary Scale of Intelligence-Revised Intelligence Quotient. Sensitivity, specificity and positive predictive value (PPV) were estimated for each reference applied to birth weight using adverse cognitive development (score < 10(th) percentile) as the outcome. Relative risk of poor neurodevelopment was calculated, comparing infants classified as SGA by either the individualized or the simple ultrasound-based reference with infants not classified as SGA. RESULTS The individualized reference had higher specificity and PPV in predicting poor neurodevelopment. Neonates defined as SGA by the individualized reference alone had a higher risk (RR=2.20, 95% CI: 1.20, 4.00) of poor cognitive outcome, while those identified by the ultrasound-based reference alone did not (RR=0.95, 95% CI: 0.45, 2.01). None of the references could predict poor neurodevelopment well at age five. CONCLUSIONS The individualized birth weight reference modestly outperforms the simple ultrasound-based reference in identifying SGA infants with poor child neurodevelopment. However, neither reference can predict child neurodevelopment well.
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STEMI Outcomes in Patients Over 80 Years Treated with Primary PCI: Insight from a Large Multicentre Australian Registry. Heart Lung Circ 2011. [DOI: 10.1016/j.hlc.2011.05.531] [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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Cardiac outcomes after pregnancy in women with congenital heart disease. BRITISH HEART JOURNAL 2010; 96:1656-61. [DOI: 10.1136/hrt.2010.202838] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Diurnal variation of macular oedema in CRVO: prospective study. Graefes Arch Clin Exp Ophthalmol 2008; 247:593-6. [DOI: 10.1007/s00417-008-1011-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2008] [Revised: 11/08/2008] [Accepted: 11/11/2008] [Indexed: 10/21/2022] Open
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The role of HER2/neu, estrogen, and progesterone receptor status in the risk and survival of breast cancer leptomeningeal metastasis. J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.11512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
11512 Background: Leptomeningeal metastasis (LM) is a dreaded complication of breast cancer with a median survival of approximately 4 months from the time of LM diagnosis. HER2/neu (HER2), estrogen (ER), and progesterone (PR) receptor status are routinely used to determine prognosis and guide treatment. There is emerging data regarding the influence of these receptors on the risk and prognosis of parenchymal brain metastasis. However, the role of these receptors in LM is unknown. We performed a retrospective analysis of 61 patients with breast cancer to determine the risk and survival of LM as a function of receptor status. Methods: Of patients with breast cancer evaluated in our department for possible LM between 2003 and 2006, those requiring CSF analysis were included in this study. Of these 61 patients, 27 were diagnosed with LM and 34 were found to be negative for LM, based on analysis of CSF and MRI. Information regarding HER2 receptor status was unavailable in 3 patients (1 with LM) due to technical issues with the assay. ER, PR, and survival data were available for all patients. Odds ratio of developing LM was calculated based on each receptor status. The Fisher exact test was used to determine significance. For the 27 patients with LM, receptor status was used to stratify survival from the time of LM diagnosis using Kaplan-Meyer analysis; significance was evaluated using the log-rank test. Results: The odds ratios of developing LM in patients with positive HER2, ER, and PR were 1.89, 0.32, and 0. 825, respectively. P values were 0.378, 0.056, and 0.799. In the 27 patients with LM, survival from the time of LM diagnosis was not significantly different when stratified by receptor status; p values were 0.983, 0.317, and 0.625 respectively. Conclusions: Our retrospective analysis suggests that HER2/neu-positive and ER-negative breast cancer may be associated with a higher risk of LM, although this approached statistical significance only for ER. For patients with confirmed LM, there were no significant differences in survival based on receptor status, although there was a trend favoring ER-positive disease. Larger studies are needed to clarify the role of these receptors in the risk and prognosis of breast cancer LM. No significant financial relationships to disclose.
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Mo-P4:279 Prevalence and predictors of subclinical atherosclerosis among asymptomatic low risk individuals in a multiethnic population. ATHEROSCLEROSIS SUPP 2006. [DOI: 10.1016/s1567-5688(06)80412-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Ophthalmic manifestations of acute leukaemias: the ophthalmologist's role. EYE (LONDON, ENGLAND) 2004. [PMID: 15002029 DOI: 10.1038/sj.eye.6701308.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
With evolving diagnostic and therapeutic advances, the survival of patients with acute leukaemia has considerably improved. This has led to an increase in the variability of ocular presentations in the form of side effects of the treatment and the ways leukaemic relapses are being first identified as an ocular presentation. Leukaemia may involve many ocular tissues either by direct infiltration, haemorrhage, ischaemia, or toxicity due to various chemotherapeutic agents. Ocular involvement may also be seen in graft-versus-host reaction in patients undergoing allogeneic bone marrow transplantation, or simply as increased susceptibility to infections as a result of immunosuppression that these patients undergo. This can range from simple bacterial conjunctivitis to an endophthalmitis. Leukaemia can present as pathology in the adnexae, conjunctiva, sclera, cornea, anterior chamber, iris, lens, vitreous, retina, choroid, and optic nerve. Recognition of the varied ocular presentations is also important in assessing the course and prognosis of leukaemia. We have presented a systematic approach taking each part of the eye in turn and outlining how leukaemia has been shown to affect it.
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Abstract
With evolving diagnostic and therapeutic advances, the survival of patients with acute leukaemia has considerably improved. This has led to an increase in the variability of ocular presentations in the form of side effects of the treatment and the ways leukaemic relapses are being first identified as an ocular presentation. Leukaemia may involve many ocular tissues either by direct infiltration, haemorrhage, ischaemia, or toxicity due to various chemotherapeutic agents. Ocular involvement may also be seen in graft-versus-host reaction in patients undergoing allogeneic bone marrow transplantation, or simply as increased susceptibility to infections as a result of immunosuppression that these patients undergo. This can range from simple bacterial conjunctivitis to an endophthalmitis. Leukaemia can present as pathology in the adnexae, conjunctiva, sclera, cornea, anterior chamber, iris, lens, vitreous, retina, choroid, and optic nerve. Recognition of the varied ocular presentations is also important in assessing the course and prognosis of leukaemia. We have presented a systematic approach taking each part of the eye in turn and outlining how leukaemia has been shown to affect it.
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Abstract
Pre-eclampsia is a pregnancy disorder of uncertain etiology that affects 5-10% of all pregnancies, with symptoms typically presenting around or after 20 wk gestation. We hypothesized that IGF-I, osteocalcin, and bone loss would be different among women with pre-eclampsia compared with normotensive pregnant women. There were 962 pregnant healthy women, aged 12-35, who were assessed at entry to care, at 28 wk, and at delivery for osteocalcin and IGF-I concentrations. Bone ultrasound was measured at entry to care and at 6 wk postpartum, whereas bone mineral density was measured by dual x-ray densitometry at delivery. There were 64 women (6.7%) among the women being followed who developed pre-eclampsia. In women with pre-eclampsia, IGF-I concentrations were 74% greater in the third trimester compared with the first trimester, whereas there was little change in osteocalcin concentrations. In contrast, normotensive women had an average increase of 43% in IGF-I concentrations accompanied by a 63% decline in osteocalcin concentrations. In women with pre-eclampsia, IGF-I and osteocalcin concentrations were significantly correlated (r = 0.48 and 0.43) at both the first and third trimester time points, but only in the third trimester among normotensive women (r = 0.27). The bone change difference between the two groups was not statistically significant. Women with pre-eclampsia appear to have an exaggerated IGF-I responsiveness compared with women who are normotensive; however, the strong correlation between IGF-I and osteocalcin in women with pre-eclampsia suggests that the IGF-I is able to retain its role as a local regulator of bone remodeling, as indicated by the osteocalcin concentrations.
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Usefulness of intravascular ultrasound in preventing stenting of hazy areas adjacent to coronary stents and its support of support spot-stenting. Am J Cardiol 2001; 87:1246-9. [PMID: 11377348 DOI: 10.1016/s0002-9149(01)01513-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The uncertain significance of hazy areas at the margins of coronary stents may lead to further, at times unnecessary, stenting. However, the risk of restenosis increases substantially when additional stents are deployed. We used intravascular ultrasound (IVUS) to identify the causes of hazy segments adjacent to stents. We identified 13 cases with hazy regions adjacent to coronary stents and 20 controls without hazy regions matched by age, gender, and vessel stented. Hazy regions were defined from the angiogram as reduced contrast density without a clearly defined intimal tear, dissection, thrombus, or stenosis (> 50%). IVUS images were obtained from the reference, stent, and hazy and control regions adjacent to the stent. Computerized planimetery was used to measure the vessel, lumen, and plaque cross-sectional areas (CSAs), the maximum arc of calcium, and the eccentricity ratio (minimum:maximum lumen diameter). There were no significant differences between hazy and control segments in the vessel, lumen, and plaque CSAs. All lumen CSAs were >4.0 mm2. Compared with control regions, the hazy regions had calcified plaque more often (69% vs 25%; odds ratio [OR] 6.75, 95% confidence intervals [CI] 1.82 to 25.0]) and more frequent intimal tears (23% vs 0%, OR 6.67, 95% CI 1.98 to 35.0). Haziness was particularly associated with calcified plaque and eccentric lumen (p = 0.037). Thus, haziness at the margins of coronary stents is often caused by calcified plaque. IVUS can differentiate calcified plaques from intimal tears and thereby obviate unnecessary stenting.
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X-ray crystallography and mass spectroscopy reveal that the N-lobe of human transferrin expressed in Pichia pastoris is folded correctly but is glycosylated on serine-32. Biochemistry 1999; 38:2535-41. [PMID: 10029548 DOI: 10.1021/bi9824543] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The ferric form of the N-lobe of human serum transferrin (Fe(III)-hTF/2N) has been expressed at high levels in Pichia pastoris. The Fe(III)-hTF/2N was crystallized in the space group P41212, and X-ray crystallography was used to solve the structure of the recombinant protein at 2.5 A resolution. This represents only the second P. pastoris-derived protein structure determined to date, and allows the comparison of the structures of recombinant Fe(III)-hTF/2N expressed in P. pastoris and mammalian cells with serum-derived transferrin. The polypeptide folding pattern is essentially identical in all of the three proteins. Mass spectroscopic analyses of P. pastoris- hTF/2N and proteolytically derived fragments revealed glycosylation of Ser-32 with a single hexose. This represents the first localization of an O-linked glycan in a P. pastoris-derived protein. Because of its distance from the iron-binding site, glycosylation of Ser-32 should not affect the iron-binding properties of hTF/2N expressed in P. pastoris, making this an excellent expression system for the production of hTF/2N.
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Abstract
Ataxia-telangiectasia (A-T) is a multisystem recessive disease characterized by cerebellar ataxia, oculocutaneous telangiectasias, immunodeficiency and increased risk of cancer. The ATM gene, responsible for A-T, was recently cloned at human chromosome band 11q22-23, a region of frequent alterations in childhood acute lymphoblastic leukaemia (ALL). Children with A-T frequently develop T-ALL. We investigated 18 T-ALL samples for ATM mutations and loss of heterozygosity (LOH) at the ATM locus. No mutations of ATM were found within the coding region in the 18 T-ALL samples, and LOH at the ATM locus was detected in three. The ATM gene appears to be an infrequently altered tumour suppressor gene in childhood T-ALL.
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Peptidoglycan synthesis and structure in Staphylococcus haemolyticus expressing increasing levels of resistance to glycopeptide antibiotics. J Bacteriol 1996; 178:4696-703. [PMID: 8755902 PMCID: PMC178241 DOI: 10.1128/jb.178.15.4696-4703.1996] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The structures of cytoplasmic peptidoglycan precursor and mature peptidoglycan of an isogenic series of Staphylococcus haemolyticus strains expressing increasing levels of resistance to the glycopeptide antibiotics teicoplanin and vancomycin (MICs, 8 to 32 and 4 to 16 microg/ml, respectively) were determined. High-performance liquid chromatography, mass spectrometry, amino acid analysis, digestion by R39 D,D-carboxypeptidase, and N-terminal amino acid sequencing were utilized. UDP-muramyl-tetrapeptide-D-lactate constituted 1.7% of total cytoplasmic peptidoglycan precursors in the most resistant strain. It is not clear if this amount of depsipeptide precursor can account for the levels of resistance achieved by this strain. Detailed structural analysis of mature peptidoglycan, examined for the first time for this species, revealed that the peptidoglycan of these strains, like that of other staphylococci, is highly cross-linked and is composed of a lysine muropeptide acceptor containing a substitution at its epsilon-amino position of a glycine-containing cross bridge to the D-Ala 4 of the donor, with disaccharide-pentapeptide frequently serving as an acceptor for transpeptidation. The predominant cross bridges were found to be COOH-Gly-Gly-Ser-Gly-Gly-NH2 and COOH-Ala-Gly-Ser-Gly-Gly-NH2. Liquid chromatography-mass spectrometry analysis of the peptidoglycan of resistant strains revealed polymeric muropeptides bearing cross bridges containing an additional serine in place of glycine (probable structures, COOH-Gly-Ser-Ser-Gly-Gly-NH2 and COOH-Ala-Gly-Ser-Ser-Gly-NH2). Muropeptides bearing an additional serine in their cross bridges are estimated to account for 13.6% of peptidoglycan analyzed from resistant strains of S. haemolyticus. A soluble glycopeptide target (L-Ala-gamma-D-iso-glutamyl-L-Lys-D-Ala-D-Ala) was able to more effectively compete for vancomycin when assayed in the presence of resistant cells than when assayed in the presence of susceptible cells, suggesting that some of the resistance was directed towards the cooperativity of glycopeptide binding to its target. These results are consistent with a hypothesis that alterations at the level of the cross bridge might interfere with the binding of glycopeptide dimers and therefore with the cooperative binding of the antibiotic to its target in situ. Glycopeptide resistance in S. haemolyticus may be multifactorial.
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Activity of some Mannich bases of conjugated styryl ketones against Candida albicans. DIE PHARMAZIE 1994; 49:909-12. [PMID: 7838880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A number of Mannich bases of conjugated styryl ketones displayed activity against Candida albicans strains 3153A and B311. Antifungal potency was influenced by the relative hydrophobicities of the molecules and on occasions by the electronic nature of the aryl substituents. The compounds inhibited one or more of the following enzymes in the glutathione metabolic pathway namely glutathione S-transferases, glutathione reductase, gamma-glutamyl transpeptidase and glutathione peroxidase. Nearly half of the compounds examined on the yeast-to-mycelium transition in C. albicans 3153A prevented this conversion from occurring.
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