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Latest Paper:
Compr Psychiatry. 2012 Apr 24;:
22534033
Kate Tchanturia,
David Hambrook,
Hannah Curtis,
Tamsin Jones,
Naima Lounes,
Kristina Fenn,
Alex Keyes,
Lauren Stevenson,
Helen Davies
King's College London, Division of Psychological Medicine, Institute of Psychiatry, United Kingdom.
OBJECTIVE AND METHODS: The Work and Social Adjustment Scale (WSAS) assesses patients' perceptions of impairment in everyday functioning and has been reported as a simple and reliable self-report measure in different psychiatric disorders. This study compared WSAS data from an anorexia nervosa (AN) patient group with that from healthy controls (HCs) and published data from other patient groups. A total of 160 female participants (AN, 77; HC, 83) completed the WSAS as well as measures of eating disorder symptom severity and brief assessments of anxiety and depression. RESULTS: Work and Social Adjustment Scale scores for the AN group were found to be in the severely impaired range, whereas the scores for those within the HC group indicated very little, or no impairment. Total WSAS scores in the AN group were significantly correlated with severity of clinical symptoms, and eating disorder-specific symptoms were the best predictor of social and occupational functional impairment. The greatest impairment in the AN group was reported in the realm of social leisure. CONCLUSIONS: Consistent with reports in other clinical populations, it is suggested that the WSAS could be an extremely useful and meaningful measure to assess social and occupational functioning in people with eating disorders, in addition to eating disorder-specific assessments.
University of Hawaii, Department of Plant and Environmental Protection Sciences, 3050 Maile Way, Honolulu, HI 96822, USA.
The black twig borer, Xylosandrus compactus (Eichhoff)(Coleoptera: Curculionidae: Scolytinae), is a pest of coffee and many endemic Hawaiian plants. Traps baited with chemical attractants commonly are used to capture ambrosia beetles for purposes of monitoring, studying population dynamics, predicting outbreaks, and mass trapping to reduce damage. The objectives of this research were to optimize trapping systems for X. compactus and other ambrosia beetles such as Xylosandrus crassiusculus (Motschulsky) and Xyleborinus saxesenii (Ratzeburg) by comparing efficacy of several attractants, repellents, and trap types. The ability of certain chemicals to act as beetle repellents and thus interfere with trap catch was tested for purposes of protecting host plants from attack. Potential attractants and application methods tested were as follows: ethyl alcohol pouch delivery system, ethyl alcohol vial delivery system, α-pinene in Eppendorf tubes, eugenol bubblecaps, ginger oil bubblecaps, manuka oil bubblecaps, phoebe oil bubblecaps, and an unbaited control. Potential repellents tested were limonene and verbenone. Ethyl alcohol vials were as attractive as ethyl alcohol sleeves, and were more effective than traps baited with eugenol and α-pinene. Japanese beetle traps were more effective for black twig borer trapping than Lindgren funnel traps, and were easier to deploy. Verbenone and limonene significantly reduced trap catch of Xylosandrus compactus and X. crassiusculus, suggesting that they may be effective for reducing attraction to host plants. These results show the importance of developing a combination of several monitoring techniques to enhance management procedures for the black twig borer.
Birmingham Children's Hospital, UK.
The use of topical negative pressure (TNP) dressings for sternal wound dehiscence or mediastinitis in the neonatal population is rare. The majority of case reports have focused on wound healing as an endpoint and have not discussed the physiological advantage that TNP dressings may impart with regard to sternal stabilisation, improved respiratory function and early weaning from mechanical ventilation. We present a case of the use of TNP in neonatal post-sternotomy wound dehiscence and mediastinitis, from a UK perspective, with an emphasis on wound healing and physiological optimisation. As well as an improvement in sternal wound healing due to the local effects of the TNP system, serial arterial blood gas analysis revealed a significant improvement in systemic physiological parameters, including a reduction in pCO(2) in the period (days 20-31) after application of TNP (p<0.0001) compared to the period before where simple occlusive dressings were applied. Hydrogen ion concentration also significantly reduced in this period (p=0.0058). The use of the TNP system in association with systemic antibiotics successfully treated the mediastinitis. A sealed, controlled wound environment also allowed ease of nursing and an expedited return to care by the parents. We would recommend the consideration of TNP dressings in similar cases of neonatal and paediatric sternal wound dehiscence. Not only do we observe the local effects of improved wound healing, the systemic effects of improved lung function are also valuable in the early management of such complex cases.
University College London Hospitals NHS Foundation Trust, UK; Division of Surgery and Interventional Science, 4th Floor, Medical School Building, 74 Huntley Street, London WC1E 6AU, UK. j.skipworth@ucl.ac.uk.
Although they are one of the most common brain tumours in childhood, pilocytic astrocytomas are rare in adulthood. We report a series of three pilocytic astrocytomas presenting as an intra/suprasellar mass in the fourth to sixth decades of life. All three radiologically mimicked the appearance of a craniopharyngioma, thus representing a potential radiological and diagnostic pitfall. In this series all three patients underwent successful operative management and have remained well throughout follow-up. The majority of information concerning pilocytic astrocytomas is derived from paediatric populations and so only limited and often conflicting data exist for pilocytic astrocytomas developing in adulthood. Decisions regarding treatment of pilocytic astrocytomas in adults must be made on a multidisciplinary, case-by-case basis.
Obes Surg. 2012 Apr 10;:
22488681
Directorate of General Surgery, Sunderland Royal Hospital, Kayll Road, Sunderland, SR4 7TP, UK, doctorali2000@hotmail.com.
BACKGROUND: Laparoscopic adjustable gastric banding (LAGB) is one of the commonest bariatric procedures in the UK. This study reports our experience with this procedure over the last 10 years. METHODS: A prospectively maintained database of all the patients undergoing LAGB at our centre between March 2000 and August 2010 was analysed. RESULTS: Five hundred seventy-five patients underwent LAGB at our centre. There was no mortality in this series. Early (30-day) morbidity rate was 2.2 %. Late complications (20 %) comprised: 78 repositioning of the inflation port in 65 patients, repositioning of band in 24 patients (4 %), removal of band in 20 patients (3.4 %), conversion to bypass in 41 patients (7 %), diagnostic laparoscopy in 1 patient and subtotal gastrectomy in 1 patient. Median follow-up was 29 months. The median of percentage of weight loss (%WL) and excess body weight loss (EBWL) was 18.3 and 40 %, respectively, at ≥5 years post-LAGB. Patients with body mass index (BMI) over 50 kg/m(2) were compared to those with BMI ≤50 kg/m(2). No significant difference was noted in the weight loss between both of these groups. No significant difference was noted with regards to weight loss between patients <60 and >60 years of age. CONCLUSIONS: In this cohort of patients,%WL and EBWL were 18.3 and 40 % ≥5 years after LAGB, respectively, and early and late complication rates were 2.2 and 20 %, respectively. Majority of late complications were in the first 100 patients. Multifactorial causes included the surgical learning curve and patient selection process.
Br J Radiol. 2012 Mar 28;:
22457316
Department of Cardiology, Southampton University Hospitals NHS Trust, Southampton, UK.
Objective: The purpose of this study was to assess the outcome of cardiac MRI (CMRI) with late gadolinium enhancement (LGE) at outpatient follow-up in a consecutive series of patients with troponin-positive chest pain but unobstructed coronary arteries at the index admission.Methods: The study comprised 91 consecutive patients who presented to our institution with cardiac chest pain, elevated troponin I and unobstructed coronary arteries on coronary angiography. All patients underwent an outpatient CMRI with LGE imaging in order to establish a definitive diagnosis.Results: The average time from coronary angiography to LGE-CMRI was 2 months. 73% of patients had no abnormality on their LGE-CMRI, 16% of patients had patchy late enhancement consistent with myocarditis and 11% had focal subendocardial or full thickness late enhancement consistent with myocardial infarction. There were no deaths in this cohort during a mean follow-up of 21 months.Conclusion: LGE-CMRI is a useful tool for establishing whether such patients have definitive evidence of non-ST-segment elevation myocardial infarction (NSTEMI), and can make an important contribution to the long-term management strategy of these patients as an inappropriate diagnosis of NSTEMI carries important medical, social and financial implications.
HIV Clin Trials. ;13 (1):46-59
22306587
Pfizer Inc, New York, New York, USA.
Purpose: Evaluate the safety, tolerability, and pharmacokinetics (PK) of nelfinavir during pregnancy and postpartum in HIV-infected women. Methods: Phase IV, non-randomized, open-label study of nelfinavir 625 mg tablets (1250 mg) in combination with lamivudine/zidovudine twice daily. Primary endpoint was treatment-related or possibly treatment-related gastrointestinal or hepatic adverse events (AEs). Selected maternal and infant outcomes were recorded. Frequent plasma samples were collected for PK studies during the 2nd and 3rd trimesters, and 6 weeks postpartum, to analyze total and free nelfinavir and M8 concentrations. Results: Sixteen HIV+ pregnant women were enrolled. Six mild treatment-related AEs and 3 serious AEs occurred; 1 serious AE (elevated AST) met the primary endpoint. Compared with 6 weeks postpartum, levels of total nelfinavir were reduced by 44% and 46%, total M8 by 82% and 83%, free nelfinavir by 48% and 39%, and free M8 by 83% and 79% in the 2nd and 3rd trimesters, respectively. At 6 weeks postpartum, 75% and 50% of subjects maintained HIV-1 RNA levels <400 and <50 copies/mL, respectively. All pregnancies resulted in live births without transmission in 15 infants. Conclusions: Nelfinavir in combination with lamivudine/zidovudine was generally well tolerated. Total and free nelfinavir and M8 exposure were reduced in late pregnancy.
Julu Bhatnagar,
Dianna M Blau,
Wun-Ju Shieh,
Christopher D Paddock,
Clifton Drew,
Lindy Liu,
Tara Jones,
Mitesh Patel,
Sherif R Zaki
Infectious Diseases Pathology Branch, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. JBhatnagar@cdc.gov
Diagnosis of dengue virus (DENV) infection in fatal cases is challenging because of the frequent unavailability of blood or fresh tissues. For formalin-fixed, paraffin-embedded (FFPE) tissues immunohistochemistry (IHC) can be used; however, it may not be as sensitive and serotyping is not possible. The application of reverse transcription-polymerase chain reaction (RT-PCR) for the detection of DENV in FFPE tissues has been very limited. We evaluated FFPE autopsy tissues of 122 patients with suspected DENV infection by flavivirus and DENV RT-PCR, sequencing, and DENV IHC. The DENV was detected in 61 (50%) cases by RT-PCR or IHC. The RT-PCR and sequencing detected DENV in 60 (49%) cases (DENV-1 in 16, DENV-2 in 27, DENV-3 in 8, and DENV-4 in 6 cases). No serotype could be identified in three cases. The IHC detected DENV antigens in 50 (40%) cases. The RT-PCR using FFPE tissue improves detection of DENV in fatal cases and provides sequence information useful for typing and epidemiologic studies.
Arch Neurol. 2012 Jan ;69 (1):96-104
22232349
John M Ringman,
Howard Schulman,
Chris Becker,
Ted Jones,
Yuchen Bai,
Fred Immermann,
Gregory Cole,
Sophie Sokolow,
Karen Gylys,
Daniel H Geschwind,
Jeffrey L Cummings,
Hong I Wan
Mary S. Easton Center for Alzheimer's Disease Research, 10911 Weyburn Ave, Ste 200, Los Angeles, CA 90095. jringman@mednet.ucla.edu.
OBJECTIVE To identify cerebrospinal fluid (CSF) protein changes in persons who will develop familial Alzheimer disease (FAD) due to PSEN1 and APP mutations, using unbiased proteomics. DESIGN We compared proteomic profiles of CSF from individuals with FAD who were mutation carriers (MCs) and related noncarriers (NCs). Abundant proteins were depleted and samples were analyzed using liquid chromatography-electrospray ionization-mass spectrometry on a high-resolution time-of-flight instrument. Tryptic peptides were identified by tandem mass spectrometry. Proteins differing in concentration between the MCs and NCs were identified. SETTING A tertiary dementia referral center and a proteomic biomarker discovery laboratory. PARTICIPANTS Fourteen FAD MCs (mean age, 34.2 years; 10 are asymptomatic, 12 have presenilin-1 [PSEN1 ] gene mutations, and 2 have amyloid precursor protein [APP ] gene mutations) and 5 related NCs (mean age, 37.6 years). RESULTS Fifty-six proteins were identified, represented by multiple tryptic peptides showing significant differences between MCs and NCs (46 upregulated and 10 downregulated); 40 of these proteins differed when the analysis was restricted to asymptomatic individuals. Fourteen proteins have been reported in prior proteomic studies in late-onset AD, including amyloid precursor protein, transferrin, α(1)β-glycoprotein, complement components, afamin precursor, spondin 1, plasminogen, hemopexin, and neuronal pentraxin receptor. Many other proteins were unique to our study, including calsyntenin 3, AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) 4 glutamate receptor, CD99 antigen, di- N-acetyl-chitobiase, and secreted phosphoprotein 1. CONCLUSIONS We found much overlap in CSF protein changes between individuals with presymptomatic and symptomatic FAD and those with late-onset AD. Our results are consistent with inflammation and synaptic loss early in FAD and suggest new presymptomatic biomarkers of potential usefulness in drug development.
J Opioid Manag. ;7 (5):347-51
22165033
Behavioral Medicine Institute at Pain Consultants of East Tennessee, Knoxville, Tennessee, USA.
Risk assessment and stratification have become important aspects for the prescription of opioids to patients with chronic pain. Recent research has shown that the Opioid Risk Tool (ORT), a widely used risk assessment tool, has poor predictive abilities when compared with other risk assessment methods. This study compares two different methods of administration of the ORT to further study this issue. Patients at a pain practice were given an ORT to complete per the usual method of administration. In addition, a separate blinded ORT was completed by a psychologist after conducting a clinical interview with the patient. The results of the patient-completed ORT (PC-ORT) and the clinician-completed ORT (CC-ORT) were compared. There were significant differences found between the two, with the psychologist usually rating the patient higher in risk. The CC-ORT demonstrated better prediction of aberrant drug-taking behavior than the PC-ORT. The items that were discrepant between the two suggest that the differences were primarily due to comprehension issues. A strategy to help maximize the usefulness of the ORT derived from this finding and clinical experience is discussed.
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