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Pilonidal sinus: an overview of historical and current management modalities. Updates Surg 2024:10.1007/s13304-024-01799-2. [PMID: 38526695 DOI: 10.1007/s13304-024-01799-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/25/2024] [Indexed: 03/27/2024]
Abstract
Pilonidal disease is a common condition that commonly affects the younger adult population and is often seen in both the general practice and the hospital setting. Multiple treatment methods have gained and lost popularity over the last several decades, but more recent intervention principles show promising results. This article details the different methods of managing acute and chronic pilonidal disease ranging from treatments in the primary care setting to those in hospital theatres, with special attention to newer modalities of minimally invasive interventions. As a chronic illness that often affects those of working age, pilonidal disease can confer significant morbidity especially, but not limited to, a substantial amount of time off work. Treatment of chronic disease in particular, has evolved from midline techniques to off-midline techniques, with more recent developments offering promising solutions to reduce acute flare ups and hasten recovery time.
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Vaccine wastage in Ghana, Mozambique, and Pakistan: An assessment of wastage rates for four vaccines and the context, causes, drivers, and knowledge, attitudes and practices for vaccine wastage. Vaccine 2023:S0264-410X(23)00582-0. [PMID: 37270365 DOI: 10.1016/j.vaccine.2023.05.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 05/12/2023] [Accepted: 05/13/2023] [Indexed: 06/05/2023]
Abstract
Vaccine procurement costs comprise a significant share of immunization program costs in low- and middle-income countries, yet not all procured vaccines are administered. Vaccine wastage occurs due to vial breakage, excessive heat or freezing, expiration, or when not all doses in a multidose vial are used. Better estimates of vaccine wastage rates and their causes could support improved management of vaccine stocks and reduce procurement costs. This study examined aspects of wastage for four vaccines at service delivery points in Ghana (n = 48), Mozambique (n = 36), and Pakistan (n = 46). We used prospective data from daily and monthly vaccine usage data entry forms, along with cross-sectional surveys, and in-depth interviews. The analysis found that estimated monthly proportional open-vial wastage rates for vaccines in single-dose vials (SDV) or in multi-dose vials (MDV) that can be kept refrigerated up to four weeks after opening ranged from 0.08 % to 3 %. For MDV where remaining doses are discarded within six hours after opening, the mean wastage rates ranged from 5 % to 33 %, with rates being highest for measles containing vaccine. Despite national-level guidance to open a vaccine vial even when only one child is present, vaccines in MDV that are discarded within six hours of opening are sometimes offered less frequently than vaccines in SDV or in MDV where remaining doses can be used for up to 4 weeks. This practice can lead to missed opportunities for vaccination. While closed-vial wastage at service delivery points (SDPs) was relatively rare, individual instances can result in large losses, suggesting that monitoring closed-vial wastage should not be neglected. Health workers reported insufficient knowledge of vaccine wastage tracking and reporting methods. Improving reporting forms would facilitate more accurate reporting of all causes of wastage, as would additional training and supportive supervision. Globally, decreasing doses per vial could reduce open-vial wastage.
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The diagnostic and predictive potential of personality traits and coping styles in major depressive disorder. BMC Psychiatry 2022; 22:301. [PMID: 35484526 PMCID: PMC9047339 DOI: 10.1186/s12888-022-03942-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 04/11/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a global public health concern that is notably underdiagnosed and undertreated due to its complexity and subjective diagnostic methods. A holistic diagnostic procedure, which sufficiently considers all possible contributors to MDD symptoms, would improve MDD diagnosis and treatment. This study aims to explore whether personality and coping styles can predict MDD status and differentiate between depressed patients and healthy individuals. METHODS Seventy healthy controls (N = 54 females) were matched to 70 MDD patients for age, sex, ethnicity, and years of education. MDD severity was measured using the Hamilton Depression Rating Scale, while personality traits and coping styles were measured by the Ten-Item Personality (TIPI) and Brief COPE questionnaires, respectively. Logistic regression analyses were conducted to investigate the diagnostic and predictive potential of personality and coping styles. Receiver operating characteristic (ROC) analyses were also conducted to examine their discriminative ability to distinguish between depressed and healthy individuals. RESULTS Introversion, lack of organisation skills, and neuroticism were statistically significant in predicting MDD status. Dysfunctional coping strategies, such as denial and self-blame, were also shown to significantly predict MDD status. ROC analyses found both the TIPI questionnaire (AUC = 0.90), and dysfunctional coping (as measured by Brief COPE) (AUC = 0.90) to be excellent predictors of MDD. CONCLUSIONS Our findings demonstrate the diagnostic and predictive potential of personality and coping styles for MDD in the clinical setting. They also demonstrate the remarkable ability of personality and coping styles to differentiate between depressed patients and healthy controls.
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CMUSE - cryptogenic multifocal ulcerous stenosing enteritis: a difficult diagnosis. ANZ J Surg 2022; 92:2373-2375. [PMID: 35088502 PMCID: PMC9541580 DOI: 10.1111/ans.17489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/10/2022] [Indexed: 12/01/2022]
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The value of open-source clinical science in pandemic response: lessons from ISARIC. THE LANCET. INFECTIOUS DISEASES 2021; 21:1623-1624. [PMID: 34619109 PMCID: PMC8489876 DOI: 10.1016/s1473-3099(21)00565-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/16/2021] [Indexed: 12/31/2022]
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Efficacy of postoperative oral metronidazole for haemorrhoidectomy pain: a randomized double-blind, placebo-controlled trial. Colorectal Dis 2021; 23:274-282. [PMID: 32750730 DOI: 10.1111/codi.15291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 07/17/2020] [Indexed: 02/08/2023]
Abstract
AIM The aim of this work was to examine the efficacy of oral metronidazole in reducing posthaemorrhoidectomy pain versus placebo. METHOD Forty patients were randomized to either metronidazole and standard care or placebo and standard care (21 metronidazole, 19 placebo) in a double-blinded, randomized controlled trial. The main outcome measure was posthaemorrhoidectomy pain scores over 21 days, measured on a 10-point Likert scale. RESULTS There were no significant differences between groups with regards to age, gender, smoking status, self-reported general health or quality of life, haemorrhoid-related pain, haemorrhoid-related impact on quality of life, reported satisfaction with surgery, experience of surgery, median overall pain score or likelihood of recommending surgery to others. For reported median worst pain scores and defaecation-related pain, a trend to significance was identified between groups on days 16 and 18-21, with the metronidazole group reporting less pain. However, these differences were not significant when prespecified Bonferroni correction criteria were used. Using multilevel mixed effects modelling, the impact of time on median worst pain score was identified to be highly significant (P < 0.0001) whereas treatment allocation (placebo versus metronidazole) did not significantly affect the improvement in patients' reported pain (P = 0.8837). CONCLUSION Our data do not support the hypothesis that postoperative metronidazole has a clinically meaningful effect on posthaemorrhoidectomy pain. This study adds to the previous literature, and implies that it should not be routinely used as an adjunct to analgesia.
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Breast cancer subtypes in Australian Chinese women. ANZ J Surg 2020; 90:2516-2520. [PMID: 32935473 DOI: 10.1111/ans.16313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 08/15/2020] [Accepted: 09/03/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND It has been suggested that Chinese patients with breast cancer present at a younger age compared to the general Australian population, with tumour pathological characteristics that carry less favourable outcomes. This study was aimed to investigate if a substantial difference in breast cancer subtypes exists between the Australian Chinese population and the general Australian population. METHODS All patients with breast cancer treated by two of the authors (consultant breast surgeons) at Eastern Health, Victoria between 2010 and 2016 were identified through the BreastSurgANZ Quality Audit database. Australian Chinese patients were further identified through outpatient records and registration information. Medical histories were examined to obtain patient demographics, tumour characteristics and outcome. Patient and tumour characteristics between the Australian Chinese population were then compared to the general Australian population. RESULTS A total of 97 Australian Chinese patients with breast cancer were identified out of 582 patients. Mean age at diagnosis was 56.7 years, approximately 6 years younger than the general Australian population. There was a statistically significant difference in incidence of Luminal A tumours with 25 patients (25.77%) from the Chinese group affected compared to 310 patients (63.92%) from the general group (P < 0.001). There was no significant difference in proportions of the other tumour subtypes between the two groups. CONCLUSION Australian Chinese breast cancer patients present at a younger age compared to the general Australian population, with a smaller proportion of patients having Luminal A tumours.
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Faecal loading and antipsychotics: a case study on severe bowel obstruction. ANZ J Surg 2019; 90:E18-E19. [PMID: 30974478 DOI: 10.1111/ans.15088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 01/06/2019] [Indexed: 11/29/2022]
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EEG-based monitoring of the focused attention related to athletic performance in shooters. Int J Psychophysiol 2018. [DOI: 10.1016/j.ijpsycho.2018.07.161] [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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Evaluation of Clinical Outcomes and Medical Provider Perceptions of a 3-month Pilot Nutrition Education and Counseling Program at a Federally Qualified Health Center. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.06.282] [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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Process Evaluation of the Integration of a 3-month Pilot Nutrition Education and Counseling Program at a Federally Qualified Health Center. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.06.122] [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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Comparison of flow pressures in different 3-way infusion devices: an in-vitro study. Patient Saf Surg 2018; 12:19. [PMID: 29988472 PMCID: PMC6025835 DOI: 10.1186/s13037-018-0165-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/13/2018] [Indexed: 11/10/2022] Open
Abstract
Background The use of multiple infusions through one cannula is an increasingly common practice in anaesthesia. High pressures in the line often lead to occlusion alarms and pump disconnection. In this study, we aim to determine the pressures generated in common 3-way infusion devices, using simple low-cost equipment available and currently in use in the operating theatre environment. Methods We compared three different common and commercially available 3-way infusion devices that allowed multiple infusions through one cannula in vitro. One with anti-siphon valves, one without valves, and serial extension sets with side ports connected in series. An invasive blood pressure transducer was used to monitor line pressure. Seven different infusion rates were used to simulate different infusions. Results 3-way infusion devices with anti-siphon valves have 5.5 times the infusion pressures compared to devices without valves (P < 0.001). The highest pressures obtained across all devices were at the highest flow rate studied (400 ml/hr); this was 243 mmHg in the 3-way device with anti-siphon valves, compared to only 44 mmHg in the 3-way device without valves and 36 mmHg in the serial extension sets. Serial extension sets have the lowest pressures across all flow rates when compared to 3-way devices without valves. (P = 0.0001). Conclusions The presence of anti-siphon valves generate very high pressures in infusion lines that can contribute to occlusion alarm disconnection of a pump. However, when measured alone and in-vitro, these pressures are not sufficient to trigger occlusion alarms. There are 3-way infusion devices without anti-siphon valves that have lower line pressures, but clinicians should be aware of negative pressure scenarios which can lead to siphoning when using them.
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Low first-trimester PAPP-A in IVF (fresh and frozen-thawed) pregnancies, likely due to a biological cause. J Assist Reprod Genet 2017; 34:1367-1375. [PMID: 28718082 DOI: 10.1007/s10815-017-0996-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 07/05/2017] [Indexed: 10/19/2022] Open
Abstract
PURPOSE The purpose of this study is to confirm a difference in the first-trimester screen maternal biochemistry and false-positive rates (FPR) between pregnancies conceived spontaneously and those conceived via assisted reproductive technologies (ART). METHODS Retrospective analysis of the complete population of women (17,889 pregnancies) who had undergone first-trimester screening between January 2004 and September 2009 at three private ultrasound clinics in Queensland, Australia was used in the study. The age, gestation, method of conception, ultrasound markers, biochemistry markers (PAPP-A, fβ-hCG), and type of biochemical analyzer platform (Brahms Kryptor, Immulite 2000) data was collated. Univariate analysis of variance (ANOVA), Spearman's rank nonparametric correlation analysis, and Binary Logistic Regression analysis were used to analyze data. Spontaneous pregnancies were used as controls. Results were considered significant when the p value was less than 0.05. RESULTS After exclusions, 16,363 singleton pregnancies, including 1543 conceived via ART, were analyzed. Results from the two biochemistry platforms, Brahms Kryptor and Immulite 2000 were significantly different (p < 0.001); thus, the data was divided for analysis purposes. PAPP-A was universally significantly lower in IVF pregnancies compared to spontaneously conceived pregnancies (p < 0.001). Using the Brahms Kryptor platform, ICSI was associated with significantly decreased PAPP-A (p < 0.046), and a significantly increased FPR (p = 0.012). CONCLUSIONS Consistent with previous studies IVF pregnancies had significantly lower PAPP-A levels supporting the need to appropriately adjust the combined first-trimester screening (cFTS) risk algorithm for IVF conceptions. The Brahms Kryptor and Immulite 2000 platforms are significantly different; however, the universally lower PAPP-A findings support the hypothesis that the lower PAPP-A is due to a biological cause.
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Small bowel volvulus in an adult with mesenteric lymphangioma and ascariasis. ANZ J Surg 2017; 88:E859-E860. [PMID: 28266164 DOI: 10.1111/ans.13953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/21/2016] [Accepted: 01/29/2017] [Indexed: 11/30/2022]
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A decade of domiciliary non-invasive ventilation in the west of Ireland. Ir J Med Sci 2016; 186:505-510. [DOI: 10.1007/s11845-016-1516-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 10/01/2016] [Indexed: 11/30/2022]
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Use of an HBV-DNA Hybridization Assay in the Evaluation of Equivocal Hepatitis B Virus Tests in Solid Organ Donors. Prog Transplant 2016; 10:42-6. [PMID: 10941326 DOI: 10.1177/152692480001000108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Context Serological markers for the hepatitis B virus are routinely used in the evaluation of potential organ donors. However, serological tests can be associated with significant false or equivocal results and may not be indicative of the true risk of hepatitis B infection. Studies have recently questioned the significance of an isolated hepatitis B core antibody test in evaluating the suitability of solid organs for transplantation. The ability to detect hepatitis B virus DNA may prove useful when the diagnosis of hepatitis B infection is in doubt. Design Serum samples from 16 donors with equivocal or positive hepatitis B core antibody and/or hepatitis B surface antigen serological screening tests were retrospectively tested for the presence of hepatitis B DNA. Any available follow-up data on the placement of organs from these donors was obtained. Results One of the 16 (6.3%) donors tested positive for the presence of hepatitis B DNA, but organs from this donor were not recovered or transplanted. Follow-up on 14 organs recovered and transplanted from 6 donors in this group did not show clinical and/or laboratory evidence of hepatitis B infection in the recipients. Conclusions In our donor population, there was a low incidence (6.3%) of donors with equivocal or positive hepatitis B core antibody and/or hepatitis B surface antigen serological screening tests who subsequently demonstrated the presence of detectable hepatitis B DNA. Posttransplantation follow-up of the recipients of 14 recovered organs failed to demonstrate any cases of posttransplant hepatitis B infection.
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SAT0588 MDHAQ as A Useful Screening Tool for fibromyalgia in Busy Clinical Settings: Table 1. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.6046] [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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SAT0587 Rheumatologists' Estimates of Prognosis without and with Treatment in Routine Care of Patients with RA, SLE, OA, FM:. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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FRI0081 Comparison of Disease Burden in Patients with Rheumatoid Arthritis (RA), RA with Secondary Osteoarthritis (OA), and OA in Routine Care:. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2797] [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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OP0094 Physician and Patient Estimates of Global Status Are More Likely To Be Discordant in Osteoarthritis than in Rheumatoid Arthritis: Table 1. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5070] [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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AB1052 Joint Damage in Rheumatoid Arthritis Appears as Severe as Inflammation in Contempary Care at One Site, Which May Explain in Part Limitations To Treat-To-Target:. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5843] [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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Global Access Conference: where disabilities and possibilities meet. CHRISTIAN JOURNAL FOR GLOBAL HEALTH 2015. [DOI: 10.15566/cjgh.v2i2.93] [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] Open
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Using the rd1 mouse to understand functional and anatomical retinal remodelling and treatment implications in retinitis pigmentosa: A review. Exp Eye Res 2015; 150:106-21. [PMID: 26521764 DOI: 10.1016/j.exer.2015.10.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/22/2015] [Accepted: 10/23/2015] [Indexed: 12/31/2022]
Abstract
Retinitis Pigmentosa (RP) reflects a range of inherited retinal disorders which involve photoreceptor degeneration and retinal pigmented epithelium dysfunction. Despite the multitude of genetic mutations being associated with the RP phenotype, the clinical and functional manifestations of the disease remain the same: nyctalopia, visual field constriction (tunnel vision), photopsias and pigment proliferation. In this review, we describe the typical clinical phenotype of human RP and review the anatomical and functional remodelling which occurs in RP determined from studies in the rd/rd (rd1) mouse. We also review studies that report a slowing down or show an acceleration of retinal degeneration and finally we provide insights on the impact retinal remodelling may have in vision restoration strategies.
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Workforce capacity building in management of rheumatoid arthritis: a randomised controlled trial and cohort study of web-based e-learning for physiotherapists. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.593] [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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Physiotherapy students’ perspectives of online learning for physiotherapy management of chronic health conditions. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.3224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Telaprevir or boceprevir triple therapy in patients with chronic hepatitis C and varying severity of cirrhosis. Aliment Pharmacol Ther 2014; 39:1213-24. [PMID: 24654657 PMCID: PMC4385588 DOI: 10.1111/apt.12718] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 02/16/2014] [Accepted: 03/01/2014] [Indexed: 02/06/2023]
Abstract
BACKGROUND Risks and benefits of protease inhibitor (PI) (telaprevir or boceprevir) triple therapy in hepatitis C virus (HCV)-infected patients with mildly decompensated cirrhosis, including those wait-listed for liver transplantation (LT), are incompletely known. AIM To assess virological responses and safety of PI triple therapy in patients with mildly decompensated Child-Pugh (CP) CP ≥6 vs. compensated (CP = 5) cirrhosis. METHODS Multicentre cohort of 160 adults with cirrhosis treated with peginterferon/ribavirin (peg-IFN/RBV) plus telaprevir (69%) or boceprevir (31%), comparing outcomes between those with CP = 5 and CP ≥6. RESULTS Patients, 47% with CP ≥6 cirrhosis (CP range 6-10), received PI triple therapy for a targeted duration of 48 weeks. The cohort was median age 59 years, 32% female, 59% genotype 1a, 35% previous null/partial responders. Sustained virological response at 12 weeks (SVR12) was achieved by 35% of patients with CP ≥6 vs. 54% of those with CP = 5 (P = 0.02). CP = 5, achievement of rapid virological response and genotype 1b/other, independently predicted SVR12. Compared to those with CP = 5, patients with CP ≥6 had more peg-IFN dose reductions, eltrombopag use, transfusions and hospitalisations to manage adverse events (all P < 0.05). Overall, 67 (42%) discontinued treatment early. Nine wait-listed patients were treated for a median of 97 days (IQR 60-160) prior to liver transplantation and five achieved post-LT SVR. CONCLUSIONS In the presence of mild decompensation (Child-Pugh ≥6), SVR12 rates with protease inhibitor triple therapy are significantly reduced and adverse events increased. Thus, treatment with protease inhibitor triple therapy, if judged as necessary, should be undertaken with close monitoring and awareness of the significant risks.
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Effect of chronic anti-glaucoma medications and trabeculectomy on tear osmolarity. Eye (Lond) 2013; 27:1142-50. [PMID: 23846375 DOI: 10.1038/eye.2013.144] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 05/29/2013] [Indexed: 12/31/2022] Open
Abstract
PURPOSE To evaluate the tear film osmolarity (TFO) and ocular surface clinical signs and symptoms in chronically medicated glaucoma patients and post-trabeculectomy patients. METHODS This is a single-center, prospective case-controlled study. One-hundred and thirty eyes of 130 participants aged ≥ 45 years were included (49 normal controls, 50 glaucoma patients on chronic preserved anti-glaucoma medication ≥ 6 months, and 31 post-trabeculectomy patients not on medication ≥ 6 months). TFO, tear break-up time (TBUT), Schirmer's test I and dry eye symptoms were evaluated. Data from both groups of glaucoma patients were compared with age and sex-matched controls. Logistic regression was performed to calculate the odds ratios. RESULTS Mean TFO in the three groups were 301.4 ± 7.7, 307.0 ± 9.3, and 307.4 ± 11.6 mOsm/l, respectively. Compared with normal controls, chronically medicated glaucoma patients and post-trabeculectomy patients were more likely to have a raised TFO, with odds ratios (95% CI) of 4.43 (1.74-11.32) and 2.76 (1.02-7.94), respectively. Both groups of glaucoma patients were also more likely to experience dry eye symptoms, with ORs of 4.72 (1.92-11.59) and 4.24 (1.54-11.72). There was no significant difference in TFO and symptoms between both groups of glaucoma patients, and in TBUT and Schirmer's test across all three groups. CONCLUSIONS Patients on chronic topical anti-glaucoma medication and post-trabeculectomy patients were more likely to have raised TFO and dry eye symptoms, suggesting significant ocular surface disease. Glaucoma practitioners should be aware that dry eye symptoms and raised TFO may occur in the absence of TBUT and Schirmer's test abnormality.
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Reply: on the clinical relevance of circulating endothelial cells and platelets in prostate cancer. Br J Cancer 2013; 108:1388. [PMID: 23412103 PMCID: PMC3619257 DOI: 10.1038/bjc.2012.529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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Low back pain-related beliefs and likely practice behaviours among final-year cross-discipline health students. Eur J Pain 2012; 17:766-75. [PMID: 23139051 DOI: 10.1002/j.1532-2149.2012.00246.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2012] [Indexed: 11/12/2022]
Abstract
BACKGROUND Evidence points to clinicians' beliefs and practice behaviours related to low back pain (LBP), which are discordant with contemporary evidence. While interventions to align beliefs and behaviours with evidence among clinicians have demonstrated effectiveness, a more sustainable and cost-effective approach to positively developing workforce capacity in this area may be to target the emerging workforce. The aim of this study was to investigate beliefs and clinical recommendations for LBP, and their alignment to evidence, in Australian university allied health and medical students. METHODS Final-year students in chiropractic, medicine, occupational therapy, pharmacy and physiotherapy disciplines in three Western Australian universities responded to a survey. Demographic data, LBP-related beliefs data [modified Health Care Providers Pain and Impact Relationship Scale (HC-PAIRS) and the Back Pain Beliefs Questionnaire (BBQ)] and activity, rest and work clinical recommendations for an acute LBP clinical vignette were collected. RESULTS Six hundred two students completed the survey (response rate 74.6%). Cross-discipline differences in beliefs and clinical recommendations were observed (p > 0.001). Physiotherapy and chiropractic students reported significantly more helpful beliefs compared with the other disciplines, while pharmacy students reported the least helpful beliefs. A greater proportion of chiropractic and physiotherapy students reported guideline-consistent recommendations compared with other disciplines. HC-PAIRS and BBQ scores were strongly associated with clinical recommendations, independent to the discipline of study and prior experience of LBP. CONCLUSIONS Aligning cross-discipline university curricula with current evidence may provide an opportunity to facilitate translation of this evidence into practice with a focus on a consistent, cross-discipline approach to LBP management.
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Inclusion of information on risk factors, socio-economic status and health seeking in a tuberculosis prevalence survey. Int J Tuberc Lung Dis 2009; 13:171-176. [PMID: 19146743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
Data on socio-economic status, exposure to risk factors for tuberculosis (TB) and previous health-seeking for TB may be included in a TB prevalence survey to gain better knowledge about the distribution of TB in the population as well as a better understanding of what factors are driving the TB epidemic in a given setting. This article provides an overview of how such additional information may be collected. The article highlights the need to carefully consider the risk of jeopardising the quality of the overall survey by overburdening it with additional data collection, and concludes that additional time and resources for planning, training, logistics and supervision are required to safeguard quality. The article also discusses special considerations regarding sampling, sample size and data interpretation when including such information in a TB prevalence survey.
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Systemic Wegener's granulomatosis with severe orbito-ocular involvement. Singapore Med J 2008; 49:e259-e262. [PMID: 18946592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Orbito-ocular involvement in Wegener's granulomatosis is the result of both focal ischaemic vasculitis and granulomatous soft tissue inflammation. Necrotising keratoscleritis and orbital inflammation are two most characteristic ophthalmic presentations. We describe a 56-year-old man with systemic limited Wegener's granulomatosis, presenting with pulmonary fibrosis, pansinusitis and left mastoiditis. This was complicated by the development of a left severe necrotising anterior scleritis, peripheral ulcerative keratitis and orbital apex syndrome. Both c-ANCA and anti-PR3 were positive. Despite mainstay systemic immunosuppressive therapy with cyclophosphamide and prednisolone, the visual prognosis remained very poor. This was largely due to the presence of an irreversible ischaemic optic neuropathy, extensive corneoscleral melt and corneal neovascularisation. This case highlights the possible extent of orbital and ocular surface involvement in Wegener's granulomatosis, and hence the importance of vigilance by the physician.
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Abstract
Infection with Lactobacillus is rare, and only a handful of species have been identified as being clinically significant: Lactobacillus casei, Lactobacillus rhamnosus, and Lactobacillus leichmannii. The literature contains one case report of bacteremia caused by Weissella confusa (basonym: Lactobacillus confusus), but the clinical significance of the infection was unclear. We describe a case of W. confusa bacteremia in a 46-year-old man with a history of abdominal aortic dissection and repair. This procedure was complicated by gut ischemia, which necessitated massive small bowel resection. He subsequently developed short-bowel syndrome, which required him to have total parenteral nutrition. He later developed an Enterococcus faecalis aortic valve endocarditis that required a coronary artery bypass graft and aortic root replacement with homograft and 6 weeks of intravenous ampicillin and gentamicin. Three months prior to his most recent admission, he was diagnosed with Klebsiella pneumoniae bacteremia and candidemia. At the present admission, he had fever (T(max), 39.5 degrees C) and chills of 2 days' duration and was admitted to the intensive care unit because of hemodynamic instability. Blood cultures grew K. pneumoniae and W. confusa in four of four blood culture bottles (both aerobe and anaerobe bottles). Imaging studies failed to find any foci of infection. A transesophageal echocardiogram revealed no vegetations. A culture of the patient's Hickman catheter tip was negative. The patient was treated with piperacillin-tazobactam and gentamicin. His condition improved, and he was discharged home, where he completed 4 weeks of piperacillin-tazobactam therapy. Lactobacillemia seldom results in mortality; however, it may be a marker of a serious underlying disease. It is usually seen in patients who have a complex medical history or in patients who receive multiple antibiotics. Lactobacillus spp. are generally associated with polymicrobial infections, and when isolated from the blood, they need to be considered possible pathogens. The presence of a vancomycin-resistant, gram-positive coccobacilli on a blood culture should alert clinicians to the possibility of bacteremia caused by W. confusa or other small gram-positive rods.
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Abstract
The biogenesis and maturation of phagosomes is an area of study which has been employing aspects of proteomic analyses and variations on that theme by identifying components on isolated organelles and following their dynamic changes and interactions with the endocytic pathway. In the case of Mycobacterium tuberculosis phagosome, the arrest of its maturation in infected macrophages, referred to in classical texts as the inhibition of phagosome-lysosome fusion, represents a phenomenon that is used to functionally dissect the phagosomal maturation pathway. In this review, we summarize the recent studies on regulators of membrane trafficking and other organelle components in the context of phagosomal biogenesis and mycobacterial phagosome maturation arrest.
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Significant post-transplant hypogammaglobulinemia in six heart transplant recipients: an emerging clinical phenomenon? Transpl Infect Dis 2000; 2:133-9. [PMID: 11429024 DOI: 10.1034/j.1399-3062.2000.020306.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND The recent development of powerful agents such as mycophenolate mofetil and tacrolimus has altered current regimens for the prevention and treatment of allograft rejection. Questions have been raised about these newer regimens in terms of susceptibility to opportunistic infections and effects on host defenses. Severe hypogammaglobulinemia has been infrequently described in solid organ transplant recipients, but has been recently noted in six heart transplant recipients at one center, of whom five were receiving a combination of tacrolimus, mycophenolate mofetil, and prednisone. METHODS Case summaries of six recent heart transplant recipients with total immunoglobulin G (IgG) levels of less than 310 mg/dl, five of whom had cytomegalovirus (CMV) infection and three of whom had multiple infections including Nocardia, invasive Trichophyton, and Acinetobacter bacteremia. Previous literature was reviewed with the aid of a Medline search using the search terms hypogammaglobulinemia; kidney, liver, heart, lung, and organ transplantation; mycophenolate mofetil; tacrolimus; cyclosporine; azathioprine; and nocardiosis. RESULTS We here report six cardiac transplant recipients seen over a period of one year who were found to have immunoglobulin G levels of 310 mg/dl or below (normal: 717-1400 mg/dl). The first five patients were diagnosed because of evaluation for infections; the sixth, who was asymptomatic with an IgG level of 175, was found during screening for hypogammaglobulinemia instituted as a result of these first five patients. All six patients had received steroid pulses for rejection; all received mycophenolate mofetil; and 5/6 had been switched from cyclosporine to tacrolimus because of steroid-resistant rejection. Transient neutropenia (absolute neutrophil count less than 1000) was observed in 2/6; 3/6 had received OKT3 therapy for refractory rejection. These six patients were treated with a combination of antimicrobials, immunoglobulin replacement, and decrease in immunosuppressive therapy. CONCLUSION The finding of unexpected hypogammaglobulinemia and concomitant infectious complications in six heart transplant recipients highlights a possible complication in a subset of patients receiving newer immunosuppressive agents. A larger prospective study is underway to determine risk factors for development of post-transplant hypogammaglobulinemia and to assess pre-transplant immune status of these recipients. Monitoring of immunoglobulin levels in high-risk patients receiving intensified immunosuppressive therapy for rejection may help to prevent infectious complications.
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Recurrence of nevus of Ota after successful treatment with Q-switched lasers. ARCHIVES OF DERMATOLOGY 2000; 136:1175-6. [PMID: 10987887 DOI: 10.1001/archderm.136.9.1175] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Use of an HBV-DNA hybridization assay in the evaluation of equivocal hepatitis B virus tests in solid organ donors. Prog Transplant 2000. [PMID: 10941326 DOI: 10.7182/prtr.10.1.31037k70l5057170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
CONTEXT Serological markers for the hepatitis B virus are routinely used in the evaluation of potential organ donors. However, serological tests can be associated with significant false or equivocal results and may not be indicative of the true risk of hepatitis B infection. Studies have recently questioned the significance of an isolated hepatitis B core antibody test in evaluating the suitability of solid organs for transplantation. The ability to detect hepatitis B virus DNA may prove useful when the diagnosis of hepatitis B infection is in doubt. DESIGN Serum samples from 16 donors with equivocal or positive hepatitis B core antibody and/or hepatitis B surface antigen serological screening tests were retrospectively tested for the presence of hepatitis B DNA. Any available follow-up data on the placement of organs from these donors was obtained. RESULTS One of the 16 (6.3%) donors tested positive for the presence of hepatitis B DNA, but organs from this donor were not recovered or transplanted. Follow-up on 14 organs recovered and transplanted from 6 donors in this group did not show clinical and/or laboratory evidence of hepatitis B infection in the recipients. CONCLUSIONS In our donor population, there was a low incidence (6.3%) of donors with equivocal or positive hepatitis B core antibody and/or hepatitis B surface antigen serological screening tests who subsequently demonstrated the presence of detectable hepatitis B DNA. Posttransplantation follow-up of the recipients of 14 recovered organs failed to demonstrate any cases of posttransplant hepatitis B infection.
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The effect of decreasing amounts of live virus, while antigen content remains constant, on immunogenicity of Oka/Merck varicella vaccine. J Infect Dis 1993; 168:1356-60. [PMID: 8245520 DOI: 10.1093/infdis/168.6.1356] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The purpose of the study was to establish the minimum immunizing dose of stored Oka/Merck varicella vaccine and mimic effects of prolonged storage of vaccine at freezer temperatures. Ninety children were randomized to one of three groups: group A (1770 pfu/dose), group B (400-500 pfu/dose), or group C (80-160 pfu/dose). Seroconversion rates for groups A-C were 97%, 96%, and 92%, respectively. Group A and B vaccinees had higher antibody titers at 1 year than did group C subjects (P = .01). The difference between groups B and C approached significance (P = .058). At 1 year after immunization, 73%, 83%, and 80% in groups A-C, respectively, demonstrated cell-mediated responses. Since freshly reconstituted vaccine contains 1770 pfu/dose, vaccine failure from loss of potency is unlikely if vaccine is stored properly and administered promptly after reconstitution.
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Delayed implantation of demineralized bone powder after local irradiation in rats. Clin Orthop Relat Res 1993:325-32. [PMID: 8358938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Previous studies have shown that osteoinduction is inhibited when demineralized bone powder (DBP) is implanted within 48 hours of local irradiation (i.e., when the acute effects of radiation injury are present). This study sought to determine whether normal osteoinduction can proceed if the implantation of DBP is delayed until 21 days postirradiation. At 21 days, the acute effects of radiation injury are likely to have subsided, but the long-term effects have not yet appeared. Twenty-eight-day-old rats were administered a radiation dose of either 7 or 20 Gy over a localized area of one thigh. The contralateral, nonirradiated thigh served as a control. Demineralized bone powder was subcutaneously implanted 21 days later. Subcutaneous pellets were retrieved at various intervals thereafter (up to Day 45) and were histologically graded for evidence of osteoinduction. No difference in osteoinduction was detected at any time interval in pellets from the 7-Gy-treated sites, compared with controls. Pellets from the 20-Gy-treated sites, however, demonstrated significantly a lower osteoinductive response at each interval. These latter pellets showed small scattered areas of osteoinduction and reduced formation of marrow elements. Thus, although osteoinduction proceeds normally when the implantation of DBP is delayed for 21 days after irradiation with 7 Gy, this is not the case when 20 Gy are administered. Given the absence of gross impairment of tissue vascularity in irradiated sites, it is possible that inhibition of osteoinduction after higher doses of radiation results from permanent damage to mesenchymal precursor cells.
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Abstract
To define better the pathophysiology of craniosynostosis, we developed an in utero model in rabbits. Premature fusion of the sutures was achieved by osteoinduction using demineralized bone matrix (DBM). Thirty-six fetuses from 18 time-dated pregnant rabbits underwent coronal strip craniectomies and implantation of DBM at 25 days of gestation (term = 31 days). Seventeen (47%) survived vaginal delivery and 10 (28%) survived for long-term follow-up. Surviving, operated animals demonstrated bony fusion across the coronal sutures presumably due to osteoinduction by the DBM. Coronal computed tomographic scans with sagittal reconstructions revealed that experimental animals had taller and wider skulls than nonoperated control animals. We conclude that employing DBM to create craniosynostosis in the fetal rabbit is technically feasible. Such a model may be used to more clearly define the pathophysiology of craniosynostosis and to evaluate methods of treatment.
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Age effects on bone induction by demineralized bone powder. Clin Orthop Relat Res 1991:253-9. [PMID: 2060217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
It has been previously shown that osteoinduction by demineralized bone powder (DBP) in the rat decreases as the age of the recipient animal increases. In the present study, the effects of age on osteoinduction by DBP were evaluated in the rat by varying the age of the donor and the recipient animal. Cartilage and bone formation in subcutaneous pouches was assessed using a histologic grading technique in which a composite score was derived from analysis of multiple histologic sections from each specimen. The results confirm the previously reported decrease in osteoinduction in middle-aged adult animals compared with younger ones. However, DBP prepared from middle-aged adult rats was more inductive than that prepared from either prepubertal or young postpubertal animals. The latter result contradicts the widely held belief that demineralized bone matrix from younger animals is more inductive than that from older ones. This finding may help to further elucidate the mechanism of ectopic bone formation and lead to more inductive bone graft substitutes for human use.
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Intranasal amphotericin B reduces the frequency of invasive aspergillosis in neutropenic patients. Am J Med 1991; 90:685-92. [PMID: 2042684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE To retrospectively study the prophylaxis of invasive aspergillosis in neutropenic patients and to relate the frequency of this fungal disease to any causal or modifying factors that could be identified. PATIENTS AND METHODS Between 1977 and 1988, 130 patients underwent 158 intensive treatment episodes to control acute leukemia, lymphoma, and aplastic anemia, and the frequency of complicating aspergillus infection was determined. RESULTS Proven invasive aspergillus infections occurred in 22 cases, 12 of which were fatal. Invasive aspergillosis was suspected in a further 16 cases and all these patients recovered with amphotericin B treatment. Colonization by Aspergillus in the absence of clinically significant infection was seen in 31 treatment episodes. Invasive aspergillosis involved mainly the upper and lower respiratory tract and skin. Control of the infection was closely related to the control of the underlying disease, with subsequent return of normal marrow function and resolution of neutropenia. The incidence of aspergillus infection has decreased dramatically since 1985, most probably due to the introduction of intranasal amphotericin B. This occurred despite the persistence of aspergillus spores in the hematology ward air during the 1986 to 1988 period. CONCLUSION Intranasal aerosolized amphotericin B may protect against invasive aspergillosis, even when neutropenic patients are cared for in conventional wards without HEPA filtration.
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Risk of infection of health-care workers by human immunodeficiency virus. Med J Aust 1989; 151:422. [PMID: 2796824 DOI: 10.5694/j.1326-5377.1989.tb101242.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Animal bites and infections. AUSTRALIAN FAMILY PHYSICIAN 1989; 18:1010-2. [PMID: 2673166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Animal bites are not a common reason for attendance at a large public hospital casualty department. Victims of bites may more commonly present in general practice. This review of animal bites is adapted from an article in the Alfred Hospital Infectious Diseases Newsletter, which is edited by Dr Denis Spelman, Physician in Bacteriology.
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Abstract
Detachment of the posterior vitreous can cause clinically significant retinal hemorrhage. Two patients with acute posterior vitreous detachment had massive retinal hemorrhages overlying the optic disks. These absorbed in time without sequealae. A third patient had numerous small blot hemorrhages scattered near the optic disk and macula. A fourth patient presented with a small macular hemorrhage causing temporary visual loss. All patients had moderately severe myopia and were in good health without hypertension or diabetes. There was no history of trauma or Valsalva maneuver. Hematologic and coagulation studies were normal. These cases indicate that retinal hemorrhages due to posterior vitreous detachment may be strikingly large, multiple, and, when involving the macula, cause temporary visual loss.
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The indigogenic reaction for histochemical demonstration of sulfatase. PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE. SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE (NEW YORK, N.Y.) 1967; 124:1207-9. [PMID: 6067277 DOI: 10.3181/00379727-124-31966] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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The indigogenic reaction for histochemical demonstration of alkaline and acid phosphatase. EXPERIENTIA 1967; 23:183-5. [PMID: 6069757 DOI: 10.1007/bf02136274] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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