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Real-life data revealed strong immunity against SARS-CoV-2 variants BA.4/BA.5 in long-term care facility residents previously infected with BA.1/BA.2. J Hosp Infect 2023; 142:134-135. [PMID: 37517676 DOI: 10.1016/j.jhin.2023.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 07/17/2023] [Indexed: 08/01/2023]
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Influenza A subtype H3N2 is associated with an increased risk of hospital dissemination - an observational study over six influenza seasons. J Hosp Infect 2023; 139:134-140. [PMID: 37419188 DOI: 10.1016/j.jhin.2023.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/15/2023] [Accepted: 06/22/2023] [Indexed: 07/09/2023]
Abstract
BACKGROUND Previous studies on hospital-acquired influenza (HAI) have not systematically evaluated the possible impact of different influenza subtypes. HAI has historically been associated with high mortality, but clinical consequences may be less severe in a modern hospital setting. AIMS To identify and quantify HAI for each season, investigate possible associations with varying influenza subtypes, and to determine HAI-associated mortality. METHODS All influenza-PCR-positive adult patients (>18 years old) hospitalized in Skåne County during 2013-2019, were prospectively included in the study. Positive influenza samples were subtyped. Medical records of patients with suspected HAI were examined to confirm a nosocomial origin and to determine 30-day mortality. RESULTS Of 4110 hospitalized patients with a positive influenza PCR, 430 (10.5%) were HAI. Influenza A(H3N2) infections were more often HAI (15.1%) than influenza A(H1N1)pdm09, and influenza B (6.3% and 6.8% respectively, P<0.001). The majority of HAI caused by H3N2 were clustered (73.3 %) and were the cause of all 20 hospital outbreaks consisting of ≥4 affected patients. In contrast, the majority of HAI caused by influenza A(H1N1)pdm09 and influenza B were solitary cases (60% and 63.2%, respectively, P<0.001). Mortality associated with HAI was 9.3% and similar between subtypes. CONCLUSIONS HAI caused by influenza A(H3N2) was associated with an increased risk of hospital dissemination. Our study is relevant for future seasonal influenza infection control preparedness and shows that subtyping of influenza may help to define relevant infection control measures. Mortality in HAI remains substantial in a modern hospital setting.
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Workforce Attachment after Ischemic Stroke - The Importance of Time to Thrombolytic Therapy. J Stroke Cerebrovasc Dis 2021; 30:106031. [PMID: 34450481 DOI: 10.1016/j.jstrokecerebrovasdis.2021.106031] [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: 05/27/2021] [Revised: 06/23/2021] [Accepted: 08/01/2021] [Indexed: 12/09/2022] Open
Abstract
OBJECTIVES The ability to remain in employment addresses an important consequence of stroke beyond the usual clinical parameters. However, data on the association between time to intravenous thrombolysis and workforce attachment in patients with acute ischemic stroke are sparse. MATERIALS AND METHODS In this nationwide cohort study, stroke patients of working age (18-60 years) treated with thrombolysis (2011-2016) who were part of the workforce prior to admission and alive at discharge were identified using the Danish Stroke Registry. The association between time to thrombolysis and workforce attachment one year later was examined with multivariable logistic regression. RESULTS The study population comprised 1,329 patients (median age 51 years [25th-75th percentile 45-56], 67.3% men). The median National Institutes of Health Stroke Scale score at presentation was 4 (25th-75th percentile 2-8), and the median time from symptom-onset to initiation of thrombolysis was 140min (25th-75th percentile 104-196min). The proportion of patients who were part of the workforce at one-year follow-up was 64.6%, 64.3%, 64.9%, and 60.0% in patients receiving thrombolysis within 90min, between 91-180min, between 181-270min, and after 270min, respectively. In adjusted analysis, time to thrombolysis between 91-180min, 181-270min, and >270min was not significantly associated with workforce attachment compared with thrombolysis received ≤90min of symptom-onset (ORs 0.89 [95%CI 0.60-1.31], 0.93 [0.66-1.31], and 0.80 [0.43-1.52], respectively). CONCLUSIONS In patients of working age admitted with stroke and treated with thrombolysis, two out of three were part of the workforce one year after discharge. There was no graded relationship between time to thrombolysis and the likelihood of workforce attachment.
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Thyroid dysfunction and electrocardiographic changes in subjects without arrhythmias: a cross-sectional study of primary healthcare subjects from Copenhagen. BMJ Open 2019; 9:e023854. [PMID: 31229996 PMCID: PMC6596967 DOI: 10.1136/bmjopen-2018-023854] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE The objective of the present study was to investigate associations of both overt and subclinical thyroid dysfunction with common ECG parameters in a large primary healthcare population. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS The study population comprised of primary healthcare patients in Copenhagen, Denmark, who had a thyroid function test and an ECG recorded within 7 days of each other between 2001 and 2011. DATA SOURCES The Danish National Patient Registry was used to collect information regarding baseline characteristics and important comorbidities. OUTCOME MEASURE AND STUDY GROUPS Common ECG parameters were determined using Marquette 12SL software and were compared between the study groups. The study population was divided into five groups based on their thyroid status. Euthyroid subjects served as the reference group in all analyses. RESULTS A total of 132 707 patients (age 52±17 years; 50% female) were included. Hyperthyroidism was significantly associated with higher heart rate and prolonged QTc interval with significant interaction with age (p<0.009) and sex (p<0.001). These associations were less pronounced for patients with higher age. Subclinical hyperthyroidism was associated with higher heart rate among females, and a similar trend was observed among males. Hypothyroidism was associated with slower heart rate and shorter QTc but only in women. Moreover, longer P-wave duration, longer PR interval and low voltage were observed in patients with both subclinical and overt hypothyroidism. However, the presence of low voltage was less pronounced with higher age (p=0.001). CONCLUSION Both overt and subclinical thyroid disorders were associated with significant changes in important ECG parameters. Age and gender have significant impact on the association of thyroid dysfunction particularly on heart rate and QTc interval.
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Incidence of new onset cancer in patients with a myocardial infarction - a nationwide cohort study. BMC Cardiovasc Disord 2018; 18:198. [PMID: 30348102 PMCID: PMC6196475 DOI: 10.1186/s12872-018-0932-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 10/08/2018] [Indexed: 01/12/2023] Open
Abstract
Background Few studies have suggested that patients with myocardial infarction (MI) may be at increased risk of cancer, but further large register-based studies are needed to evaluate this subject. The aim of this study was to assess the incident rates of cancer and death by history of MI, and whether an MI is independently associated with cancer in a large cohort study. Method All Danish residents aged 30–99 in 1996 without prior cancer or MI were included and were followed until 2012. Patients were grouped according to incident MI during follow-up. Incidence rates (IR) of cancer and death in individuals with and without MI and incidence rate ratios (IRR, using multivariable Poisson regression analyses) of cancer associated with an MI were calculated. Results Of 2,871,168 individuals, 122,275 developed an MI during follow-up, 11,375 subsequently developed cancer (9.3%, IR 19.1/1000 person-years) and 65,225 died (53.3%, IR 106.0/1000 person-years). In the reference population, 372,397 developed cancer (13.0%, IR 9.3/1000 person-years) and 753,767 died (26.3%, IR 18.2/1000 person-years). Compared to the reference population, higher IRs of cancer and death were observed in all age groups (30–54, 55–69 and 70–99 years) and time since an MI (0–1, 1–5 and 5–17 years) in the MI population. MI was associated with an increased risk of overall cancer (IRR 1.14, 95% CI 1.10–1.19) after adjusting for age, sex and calendar year, also when additionally adjusting for chronic obstructive pulmonary disease, hypertension, dyslipidemia, diabetes and socioeconomic status (IRR 1.08, 95% CI 1.03–1.13), but not after further adjustment for the first 6 months post-MI (IRR 1.00, 95% CI 0.96–1.05). Conclusion Patients after an MI have increased incidence of cancer, which may be explained by mutual risk, occult cancers and increased surveillance. Focus on risk factor management to reduce cancer and MI is warranted. Electronic supplementary material The online version of this article (10.1186/s12872-018-0932-z) contains supplementary material, which is available to authorized users.
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Risk of incident atrial fibrillation in patients presenting with retinal artery or vein occlusion: a nationwide cohort study. BMC Cardiovasc Disord 2018; 18:91. [PMID: 29743025 PMCID: PMC5944106 DOI: 10.1186/s12872-018-0825-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Accepted: 04/30/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The inter-relationships of atrial fibrillation (AF) to retinal vascular occlusions (whether retinal artery occlusion (RAO) or retinal venous occlusion (RVO)) remain unclear. It is unknown if a presentation of retinal artery or venous occlusions may indicate a new onset cardiac arrhythmia. To shed light on this association, we investigated the risk of new onset AF in patients with known RAO and RVO. METHODS Patients with retinal occlusions from 1997 to 2011 were identified through Danish nationwide registries and matched 1:5 according to sex and age. Cumulative incidence and unadjusted rates of AF according to retinal vascular occlusions (i.e. RAO or RVO) were determined. Hazard ratios (HR) of AF according to retinal vascular occlusion were adjusted for hypertension, diabetes, vascular disease and prior stroke/systemic thromboembolism/transient ischemic attack. RESULTS One thousand three hundred sixty-eight cases with retinal vascular occlusions were identified (median age 71.4 (inter quartile range (IQR); 61.2-79.8), 47.3% male). RAO constituted 706 cases (51.6%) and RVO 529 (38.7%). The rate of incident AF amongst all cases with retinal vascular occlusion was 1.74 per 100 person-years (95% confidence interval (CI), 1.47-2.06) compared to 1.22 (95% CI, 1.12-1.33) in the matched control group. The rate of AF in RAO was 2.01 (95% CI, 1.6-2.52) and 1.52 (1.15-2.01) in RVO. HRs of incident AF adjusted for cardiovascular comorbidities were 1.26 (95% CI; 1.04-1.53, p = 0.019) for any retinal vascular occlusion, 1.45 (95% CI; 1.10-1.89, p = 0.015) for RAO, and 1.02 (95% CI; 0.74-1.39, p = 0.920) for RVO. CONCLUSIONS A new diagnosis of retinal vascular occlusion in patients without prior AF was associated with increased risk of incident AF, particularly amongst patients with RAO. Awareness of AF in patients with retinal vascular occlusions is advised.
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Atrial fibrillation and risk of stroke: a nationwide cohort study. Europace 2016; 18:1689-1697. [PMID: 26838693 DOI: 10.1093/europace/euv401] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 11/06/2015] [Indexed: 11/12/2022] Open
Abstract
AIM Although the relation between stroke risk factors and stroke in patients with atrial fibrillation (AF) has been extensively examined, only few studies have explored the association of AF and the risk of ischaemic stroke/systemic thromboembolism/transient ischaemic attack (stroke/TE/TIA) in the presence of concomitant stroke risk factors. METHODS AND RESULTS From nationwide registries, all persons who turned 50, 60, 70, or 80 from 1997 to 2011 were identified. Persons receiving warfarin were excluded. The absolute risk of stroke/TE/TIA was reported for a 5-year period, as was the absolute risk ratios for AF vs. no AF according to prior stroke and the number of additional risk factors. The study cohort comprised of 3 076 355 persons without AF and 48 189 with AF. For men aged 50 years, with no risk factors, the 5-year risk of stroke was 1.1% (95% confidence interval 1.1-1.1); with AF alone 2.5% (1.8-3.2); with one risk factor and no prior stroke or AF 2.5% (2.3-2.7); and with one factor, no prior stroke and AF 2.9% (1.4-4.3). In men aged 50 years with prior stroke as the only risk factor, 5-year risk was 10.2% (9.1-11.3). In men aged 70 years, the corresponding risks were 4.8% (4.7-4.9), 6.8% (5.7-7.9), 6.6% (6.3-6.8), 8.7 (7.4-9.9), and 19.1% (18.1-20.1), respectively. In women aged 50 years, the risk was of 0.7% (0.7-0.7), 2.1% (0.9-3.2), 1.6% (1.4-1.8), 4.1% (0.6-7.6), and 7.2% (6.3-8.2), respectively, and in women aged 70 years 3.4% (3.3-3.5), 8.2% (7.0-9.5), 4.6% (4.4-4.8), 9.1% (7.5-10.6), and 15.4% (14.5-16.4), respectively. CONCLUSIONS Stroke/TE/TIA risk was particularly increased when prior stroke/TE/TIA was present. Atrial fibrillation is associated with an increase in risk of stroke/TE/TIA in the absence of other risk factors but only a moderate increase in risk when other risk factors are present.
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Comparison of antiplatelet regimens in secondary stroke prevention: a nationwide cohort study. BMC Neurol 2015; 15:225. [PMID: 26525411 PMCID: PMC4630842 DOI: 10.1186/s12883-015-0480-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 10/22/2015] [Indexed: 01/11/2023] Open
Abstract
Background In patients with ischemic stroke of non-cardioembolic origin, acetylsalicylic acid, clopidogrel, or a combination of acetylsalicylic acid and dipyridamole are recommended for the prevention of a recurrent stroke. The purpose of this study was to examine the risk of bleeding or recurrent stroke associated with these three treatments. Methods Patients who were discharged with first-time ischemic stroke from 2007–2010, with no history of atrial fibrillation were identified from Danish nationwide registries. Hazard ratios (HRs) and 1-year risks of recurrent ischemic stroke and bleeding were calculated for each antiplatelet regimen. Results Among patients discharged after first-time ischemic stroke, 3043 patients were treated with acetylsalicylic acid, 12,295 with a combination of acetylsalicylic acid and dipyridamole, and 3885 with clopidogrel. Adjusted HRs for clopidogrel versus the combination of acetylsalicylic acid and dipyridamole were 1.02 (95 % confidence interval [CI]: 0.89–1.17) for ischemic stroke and 1.06 (95 % CI: 0.83–1.35) for bleeding. Adjusted HRs for acetylsalicylic acid versus the combination of acetylsalicylic acid and dipyridamole were 1.48 (95 % CI: 1.31–1.67) for stroke and 1.47 (95 % CI: 1.18–1.82) for bleeding. Clopidogrel versus acetylsalicylic acid yielded HRs of 0.69 (95 % CI: 0.59–0.81) and 0.72 (95 % CI: 0.55–0.96) for stroke and bleeding, respectively. The 1-year predicted risks associated with acetylsalicylic acid, the combination of acetylsalicylic acid and dipyridamole, and clopidogrel were 11.1 (95 % CI: 10.2–12.2), 7.7 (95 % CI: 7.3–8.3), and 8.0 (95 % CI: 6.9–8.7) for ischemic stroke, respectively; while, the risks for bleeding were 3.4 (95 % CI: 2.8–3.9), 2.4 (95 % CI: 2.1–2.7), and 2.4 (95 % CI: 1.9–2.9), respectively. Conclusion Clopidogrel and the combination of acetylsalicylic acid and dipyridamole were associated with similar risks for recurrent ischemic stroke and bleeding; whereas acetylsalicylic acid was associated with higher risks for both ischemic stroke and bleeding. The latter finding may partially be explained by selection bias.
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P08.37 Epidemiological trends in chlamydia testing in denmark 1991 to 2011 and formation of a retrospective, population-based cohort: the danish chlamydia study. Br J Vener Dis 2015. [DOI: 10.1136/sextrans-2015-052270.383] [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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The VGF-Derived Neuropeptide TLQP-21 Shows No Impact on Hormone Secretion in the Isolated Perfused Rat Pancreas. Horm Metab Res 2015; 47:537-43. [PMID: 25602348 DOI: 10.1055/s-0034-1395615] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
TLQP-21 is a VGF-derived neuropeptide proposed to be involved in regulation of metabolism. More specifically it has been suggested that TLQP-21 has the ability to enhance glucose stimulated insulin secretion, making it a candidate for treatment of patients with type 2 diabetes.In this study, we investigated the impact of TLQP-21 on insulin, glucagon, and somatostatin secretion in the perfused rat pancreas. We found that administration of 5 and 50 nM TLQP-21 had no impact on pancreatic hormone secretion at 3.5 or 8 mM glucose levels. Increasing TLQP-21 (200 nM) and glucose concentration (3.5 and 16 mM) led to a nonsignificant decrease in glucagon secretion, though insulin and somatostatin secretory patterns remained unaffected. In a final set of experiments, perfusions were performed with infusion of 50 and 1 000 nM TLQP-21 to ensure sufficient stimulation. However, administration of TLQP-21 under this setup showed no impact on the pancreatic hormone secretion either. In conclusion, the outcome of this study does not concur with previous findings, suggesting that the effect of TLQP-21 does not directly involve silent hormone secretion.
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Abstract
From June 2014 through February 2015, respiratory samples from 130 Danish patients were screened for enterovirus D68 (EV-D68). Fourteen EV-D68 cases were detected, of which 12 presented with respiratory symptoms, and eight had known underlying disease. The median age of EV-D68 cases was three years (interquartile range: 0–30 years). Acute flaccid paralysis (AFP) was not detected although Danish EV-D68 strains showed > 98% nt identity with EV-D68-strains from AFP cases from the United States and France.
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Cardiovascular risk in patients with sleep apnoea with or without continuous positive airway pressure therapy: follow-up of 4.5 million Danish adults. J Intern Med 2014; 276:659-66. [PMID: 25169419 DOI: 10.1111/joim.12302] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The prognostic significance of age and continuous positive airway pressure (CPAP) therapy on cardiovascular disease in patients with sleep apnoea has not been assessed previously. METHODS Using nationwide databases, the entire Danish population was followed from 2000 until 2011. First-time sleep apnoea diagnoses and use of CPAP therapy were determined. Incidence rate ratios (IRRs) of ischaemic stroke and myocardial infarction (MI) were analysed using Poisson regression models. RESULTS Amongst 4.5 million individuals included in the study, 33 274 developed sleep apnoea (mean age 53, 79% men) of whom 44% received persistent CPAP therapy. Median time to initiation of CPAP therapy was 88 days (interquartile range 34-346). Patients with sleep apnoea had more comorbidities compared to the general population. Crude rates of MI and ischaemic stroke were increased for sleep apnoea patients (5.4 and 3.6 events per 1000 person-years compared to 4.0 and 3.0 in the general population, respectively). Relative to the general population, risk of MI [IRR 1.71, 95% confidence interval (CI) 1.57-1.86] and ischaemic stroke (IRR 1.50, 95% CI 1.35-1.66) was significantly increased in patients with sleep apnoea, in particular in patients younger than 50 years (IRR 2.12, 95% CI 1.64-2.74 and IRR 2.34, 95% CI 1.77-3.10, respectively). Subsequent CPAP therapy was not associated with altered prognosis. CONCLUSIONS Sleep apnoea is associated with increased risk of ischaemic stroke and MI, particularly in patients younger than 50 years of age. CPAP therapy was not associated with a reduced rate of stroke or MI.
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Time elapsed after ischemic stroke and risk of adverse cardiovascular events and mortality following elective noncardiac surgery. JAMA 2014; 312:269-77. [PMID: 25027142 DOI: 10.1001/jama.2014.8165] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE The timing of surgery in patients with recent ischemic stroke is an important and inadequately addressed issue. OBJECTIVE To assess the safety and importance of time elapsed between stroke and surgery in the risk of perioperative cardiovascular events and mortality. DESIGN, SETTING, AND PARTICIPANTS Danish nationwide cohort study (2005-2011) including all patients aged 20 years or older undergoing elective noncardiac surgeries (n=481,183 surgeries). EXPOSURES Time elapsed between stroke and surgery in categories and as a continuous measure. MAIN OUTCOMES AND MEASURES Risk of major adverse cardiovascular events (MACE; including ischemic stroke, acute myocardial infarction, and cardiovascular mortality) and all-cause mortality up to 30 days after surgery. Odds ratios (ORs) were calculated by multivariable logistic regression models. RESULTS Crude incidence rates of MACE among patients with (n = 7137) and without (n = 474,046) prior stroke were 54.4 (95% CI, 49.1-59.9) vs 4.1 (95% CI, 3.9-4.2) per 1000 patients. Compared with patients without stroke, ORs for MACE were 14.23 (95% CI, 11.61-17.45) for stroke less than 3 months prior to surgery, 4.85 (95% CI, 3.32-7.08) for stroke 3 to less than 6 months prior, 3.04 (95% CI, 2.13-4.34) for stroke 6 to less than 12 months prior, and 2.47 (95% CI, 2.07-2.95) for stroke 12 months or more prior. MACE risks were at least as high for low-risk (OR, 9.96; 95% CI, 5.49-18.07 for stroke <3 months) and intermediate-risk (OR, 17.12; 95% CI, 13.68-21.42 for stroke <3 months) surgery compared with high-risk surgery (OR, 2.97; 95% CI, 0.98-9.01 for stroke <3 months) (P = .003 for interaction). Similar patterns were found for 30-day mortality: ORs were 3.07 (95% CI, 2.30-4.09) for stroke less than 3 months prior, 1.97 (95% CI, 1.22-3.19) for stroke 3 to less than 6 months prior, 1.45 (95% CI, 0.95-2.20) for stroke 6 to less than 12 months prior, and 1.46 (95% CI, 1.21-1.77) for stroke 12 months or more prior to surgery compared with patients without stroke. Cubic regression splines performed on the stroke subgroup supported that risk leveled off after 9 months. CONCLUSIONS AND RELEVANCE A history of stroke was associated with adverse outcomes following surgery, in particular if time between stroke and surgery was less than 9 months. After 9 months, the associated risk appeared stable yet still increased compared with patients with no stroke. The time dependency of risk may warrant attention in future guidelines.
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Risk and benefit of dual antiplatelet treatment among non-revascularized myocardial infarction patients in different age groups. EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE 2014; 6:511-521. [DOI: 10.1177/2048872614538848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Retinal vein and artery occlusions: a risk factor for stroke in atrial fibrillation. J Thromb Haemost 2013; 11:1485-92. [PMID: 23663383 DOI: 10.1111/jth.12297] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Indexed: 12/22/2022]
Abstract
BACKGROUND Retinal vascular occlusions may constitute an independent risk factor for stroke in patients with atrial fibrillation. METHODS We performed a retrospective study on a nationwide cohort with atrial fibrillation from 1997 to 2008. The rate of stroke/systemic thromboembolism (TE)/transitory ischemic attack (TIA) was determined for atrial fibrillation patients with and without a history of retinal vascular occlusion. A Cox regression analysis, adjusted for risk factors and medications, was performed to determine the independent predictive value of retinal arterial or venous occlusion for the risk of ischemic stroke, TE or TIA in atrial fibrillation patients. RESULTS We included 87 202 patients with non-valvular atrial fibrillation. At baseline, a history of retinal arterial occlusion was diagnosed in 224 patients (0.26%) and a history of retinal venous occlusion in 361 (0.41%). Patients without retinal occlusion had a rate of stroke/TE/TIA of 4.52 (95% confidence interval [CI] 4.44-4.60). For patients with retinal arterial occlusion, the rate of stroke/TE/TIA was 8.16 (95% CI 6.35-10.49) per 100 person-years, and for patients with retinal venous occlusion it was 7.28 (95% CI 5.93-8.94) per 100 person-years. In multivariate analysis, both retinal arterial occlusions (hazard ratio [HR] 1.39, 95% CI 1.08-1.79) and retinal venous occlusions (HR 1.26, 95% CI 1.02-1.54) were associated with an increased risk of future stroke/TE/TIA. CONCLUSIONS A history of retinal arterial or retinal venous occlusion is associated with an increased risk of stroke/TE/TIA in patients with atrial fibrillation. Thus, prior retinal vascular occlusion may be considered as a previous thromboembolic event when evaluating stroke risk in patients with atrial fibrillation.
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Cardiovascular and non-cardiovascular hospital admissions associated with atrial fibrillation: a Danish nationwide, retrospective cohort study. BMJ Open 2013; 3:bmjopen-2012-001800. [PMID: 23355661 PMCID: PMC3563138 DOI: 10.1136/bmjopen-2012-001800] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To examine the excess risk of hospitalisation in patients with incident atrial fibrillation (AF). DESIGN A nationwide, retrospective cohort study. SETTING Denmark. PARTICIPANTS Data on all admissions in Denmark from 1997 to 2009 were collected from nationwide registries. After exclusion of subjects previously admitted for AF, data on 4 602 264 subjects and 10 779 945 hospital admissions contributed to the study. PRIMARY AND SECONDARY OUTCOME MEASURES Age-stratified and sex-stratified admission rates were calculated for cardiovascular and non-cardiovascular admissions. Temporal patterns of readmission, relative risk and duration of frequent types of admission were calculated. RESULTS Of 10 779 945 hospital admissions, 729 088(6.8%) were associated with AF. Admissions for cardiovascular reasons after 1, 3 and 6 months occurred for 6.0, 14.3 and 28.4% of AF patients versus 0.2, 0.6 and 1.8 of non-AF patients. Admissions for non-cardiovascular reasons after 1, 3 and 6 months comprised 6.8, 16.1 and 33.3% of AF patients and 1.2, 3.2 and 9.7% of non-AF patients. When stratified for age, AF was associated with similar cardiovascular admission rates across all age groups, while non-cardiovascular admission rates were higher in older patients. Within each age group and for both cardiovascular and non-cardiovascular admissions, AF was associated with higher rates of admission. When adjusted for age, sex and time period, patients with AF had a relative risk of 8.6 (95% CI 8.5 to 8.6) for admissions for cardiovascular reasons and 4.0 (95% CI 4.0 to 4.0) for admission for non-cardiovascular reasons. CONCLUSIONS This study confirms that the burden of AF is considerable and driven by both cardiovascular and non-cardiovascular admissions. These findings underscore the importance of using clinical and pharmacological means to reduce the hospital burden of AF in Western healthcare systems.
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Prevalence of sexually transmitted infections among women attending antenatal clinics in Tanga, north eastern Tanzania. Int J STD AIDS 2012; 23:325-9. [PMID: 22648885 DOI: 10.1258/ijsa.2011.011312] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study aimed to determine the prevalence of sexually transmitted infections (STIs) among HIV-infected and uninfected pregnant women in Tanga, Tanzania. Retrospective data on syphilis and HIV status during 2008-2010 were collected from antenatal clinic (ANC) records. Prospective data were collected from HIV-infected (n = 105) and HIV-uninfected pregnant women (n = 100) attending ANCs between April 2009 and August 2010. Syphilis prevalence showed a declining trend (3.1%, 1.4% and 1.3%), while HIV prevalence was stable (6.1%, 6.4% and 5.4%) during 2008-2010. HIV-infected women had significantly higher prevalence of trichomoniasis (18.8% versus 5.0%; P < 0.003) and candidiasis (16.5% versus 2.0%; P < 0.001) while the higher rate of gonorrhoea (3.5% versus 0%; P = 0.095) was not statistically significant when compared with HIV-uninfected women. There were no statistically significant differences in prevalence of chlamydial infection (0% versus 3.0%; P = 0.156) or syphilis (2.4% versus 3.0%; P = 1) between HIV-infected and uninfected women. Other STIs were common in both HIV-infected and uninfected pregnant women.
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Impact of dronedarone in atrial fibrillation and flutter on stroke reduction. Clin Interv Aging 2010; 5:63-9. [PMID: 20396635 PMCID: PMC2854052 DOI: 10.2147/cia.s8883] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2010] [Indexed: 11/30/2022] Open
Abstract
Background: Dronedarone has been developed for treatment of atrial fibrillation (AF) or atrial flutter (AFL). It is an amiodarone analogue but noniodinized and without the same adverse effects as amiodarone. Objective and methods: This is a review of 7 studies (DAFNE, ADONIS, EURIDIS, ATHENA, ANDROMEDA, ERATO and DIONYSOS) on dronedarone focusing on efficacy, safety and prevention of stroke. There was a dose-finding study (DAFNE), 3 studies focusing on maintenance of sinus rhythm (ADONIS, EURIDIS and DIONYSOS), 1 study focusing on rate control (ERATO) and 2 studies investigating mortality and morbidity (ANDROMEDA and ATHENA). Results: The target dose for dronedarone was established in the DAFNE study to be 400 mg twice daily. Both EURIDIS and ADONIS studies demonstrated that dronedarone was superior to placebo for maintaining sinus rhythm. However, DIONYSOS found that dronedarone is less efficient at maintaining sinus rhythm than amiodarone. ERATO concluded that dronedarone reduces ventricular rate in patients with chronic AF. The ANDROMEDA study in patients with severe heart failure was discontinued because of increased mortality in dronedarone group. Dronedarone reduced cardiovascular hospitalizations and mortality in patients with AF or AFL in the ATHENA trial. Secondly, according to a post hoc analysis a significant reduction in stroke was observed (annual rate 1.2% on dronedarone vs 1.8% on placebo, respectively [hazard ratio 0.66, confidence interval 0.46 to 0.96, P = 0.027]). In total, 54 cases of stroke occurred in 3439 patients (crude rate 1.6%) receiving dronedarone compared to 76 strokes in 3048 patients on placebo (crude rate 2.5%), respectively. Conclusion: Dronedarone can be used for maintenance of sinus rhythm and can reduce stroke in patients with AF who receive usual care, which includes antithrombotic therapy and heart rate control.
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First identification of tick-borne encephalitis in Denmark outside of Bornholm, August 2009. Euro Surveill 2009. [DOI: 10.2807/ese.14.36.19325-en] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The incidence of tick-borne encephalitis (TBE) in Scandinavia is increasing and spreading geographically. Following two clinical cases of TBE hospitalised after tick bites in northern Zealand, Denmark, specific IgM and IgG antibodies against tick-borne encephalitis virus (TBEV) were demonstrated in acute serum samples of these patients. TBEV was identified by RT-PCR in ticks collected from the same location. This is the first report of TBEV in Ixodes ricinus leading to clinical cases in Denmark outside of Bornholm island.
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[Population screening for HIV in Sisimiut, Greenland]. Ugeskr Laeger 2000; 162:4652-5. [PMID: 10986891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
INTRODUCTION In the years 1985-1998, 91 HIV-positive persons were diagnosed in Greenland, resulting in an incidence of HIV infection three times higher in Greenland than in Denmark. Of these cases 25% were diagnosed in Sisimiut, which, however, only comprises 10% of the total population of Greenland. In spite of an active HIV case-tracing programme at the Health Centre, there was a fear of unknown HIV-positives in the town. Therefore, the Health Centre initiated an HIV screening campaign among all adults and school children in the town of Sisimiut and two adjacent settlements. MATERIAL AND METHODS The screening campaign was carried out in the weeks 46 and 47 in November 1998 by the staff at the Health Centre. All participants filled out a questionnaire concerning demographic variables, and had blood samples drawn. For adults the campaign mainly took place in the community centre and the large work places, and for the children at the schools. Blood samples were tested for antibodies against HIV 1 and 2 at Statens Serum Institut using ELISA tests and confirmatory Western Blot. RESULTS Of the total population of 4807, 2858 persons took part in the screening campaign (participation rate 59%). Among adults the participation rate was 50%, and for children aged 6-17 years the rate was 86%. Four HIV-positive persons were tested positive. Of these three were already known HIV-positives, and the last person was highly suspect of HIV infection. DISCUSSION There is no evidence of widespread HIV infection in Sisimiut. No unknown groups of HIV-positive persons were identified. Thus, the intensive case-tracing programme as carried out by the Health Centre seems effective.
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[What is the patient's HIV status?]. Ugeskr Laeger 2000; 162:2912. [PMID: 10860440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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CO2 laser eradication of recalcitrant condyloma acuminatum does not influence T-lymphocyte subsets. Acta Derm Venereol 1998; 78:389. [PMID: 9779269 DOI: 10.1080/000155598443204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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EBV-positive primary central nervous system lymphomas in monozygote twins with common variable immunodeficiency and suspected multiple sclerosis. Leuk Lymphoma 1997; 28:187-93. [PMID: 9498719 DOI: 10.3109/10428199709058346] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Common variable immunodeficiency represents the most frequently occurring primary immunodeficiency disorder and is usually detected sporadically in patients with no family history of immunodeficiency. We present the case stories of two monozygote twins, who following a period of decreasing serum immunoglobulins developed primary central nervous system lymphomas. One twin had clinical and paraclinical features mimicking multiple sclerosis. Immunohistochemical investigations on biopsy tissue showed expression of the bcl-2 and p53 gene products, and Epstein-Barr virus (EBV) encoded small RNA's (EBER) indicating latent infection were detected in lymphoma cells using in situ hybridisation techniques. The pathogenetic role of EBV in oncogenesis is discussed.
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Markers of sexually transmitted diseases in seminal fluid of male clients of female sex workers. Genitourin Med 1997; 73:284-7. [PMID: 9389951 PMCID: PMC1195859 DOI: 10.1136/sti.73.4.284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES To screen for certain STD markers in a group of male clients of female sex workers. METHOD Condoms with seminal fluid were collected at 10 "massage parlours" in Copenhagen. The seminal fluid samples were examined for HIV antibodies, markers of hepatitis B virus (HBV), Chlamydia trachomatis, and Mycoplasma genitalium. RESULTS All samples (n = 332) were negative for HIV antibodies. Out of 327 samples examined for HBV markers 32 (9.8%) were positive for HBV core antibodies, one of which was also positive for HBV antigen. C trachomatis could be demonstrated in six out of 122 (4.9%) samples and M genitalium in one out of 122 samples. CONCLUSIONS The finding of a C trachomatis prevalence of 4.9% is considerable higher than expected in men with a presumed age of 35-55 years. The demonstration of a prevalence of HBV markers of 9.8% indicates that these clients have an increased risk of HBV infection, a finding that further consolidates the recommendation of HBV vaccination of sex workers. As shown in this study, STD transmission in commercial sex may also have the client as the source.
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Does HIV-2 protect against HIV-1 infection? AIDS 1997; 11:939-40. [PMID: 9189228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Abstract
BACKGROUND Community studies with 1-3 years of follow-up have reported four to five times higher mortality in HIV-2-infected than in uninfected adults. In a cohort study of HIV-1, an increasing difference in mortality rates of HIV-1-infected and uninfected individuals is expected over time, because of rising mortality with advancing HIV-1 infection. We therefore investigated long-term survival of HIV-2-infected adults. METHODS Adults enrolled in 1987 in a community study of HIV-2 infection in Guinea-Bissau were followed up with serological surveys in 1989 and 1992. Survival was assessed in 1995, 9 years after enrollment. FINDINGS The annual incidence of HIV-2 was 0.7% for adults and tended to be higher for older individuals than for participants aged 15-44 years (relative risk 3.21 [95% CI 0.91-11.37]). With control for age, HIV-2-infected adults had twice as high mortality as uninfected individuals (mortality ratio 2.32 [1.18-4.57]); the mortality ratio was highest in the first year of the study (4.50 [1.31-15.43]). The difference between infected and uninfected individuals was stronger for adults under 45 years of age (mortality ratio 4.72 [1.86-11.97]) than for older people (1.35 [0.51-3.56]). HIV-2-infected individuals living with an infected spouse had significantly higher mortality than HIV-2-infected individuals living with an uninfected spouse (p = 0.027). INTERPRETATION HIV-2-associated mortality is not increasing with length of follow-up. Mortality in HIV-2-infected adults is only twice as high as that in uninfected individuals. In the majority of adults, HIV-2 has no effect on survival.
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Abstract
Since HIV-2 was isolated in 1986, only 1 case of acute HIV-2 infection has been reported. We have identified another patient with primary HIV-2 infection. Follow-up samples were requested from the patient due to discrepant results. The HIV-2 infection was confirmed with HIV-2-specific proviral DNA amplification by PCR. The HIV-2 seroconversion panel obtained was used to evaluate the sensitivity of both combined and specific ELISAs currently in use in Europe, and to investigate the Western-blot patterns on both HIV-1-and HIV-2-specific Western blots. The window period was determined to be less than 37 days with the most sensitive assays. A remarkable difference in sensitivity to HIV-2 antibodies in acute HIV-2 infection was found in combined HIV-1/HIV-2 ELISAs. Three out of the 4 combined sandwich ELISAs appeared to be less sensitive than the indirect ELISAs in HIV-2 seroconversion, leading to a prolonged window period. One HIV-2-specific ELISA was also negative on the first sample, but positive on the second sample. In the HIV-2 Western blot, early reaction with HIV-2-specific env and gag proteins was seen, whereas the HIV-1 Western blot on the first sample revealed gag (p24, p55) reactivity only.
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[Infection with human immunodeficiency virus type 2--HIV-2]. Ugeskr Laeger 1996; 158:1662-1666. [PMID: 8644408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The majority of patients with HIV-2 infection come from West Africa or have had sexual contact with a person from there, as HIV-2 is prevalent in this area. HIV-2 is phylogenetically closer related to SIVsm and SIVmac than to HIV-1. HIV-2 is mainly transmitted by heterosexual contact, whereas the risk of mother-to-child infection is very low. Nine cases of HIV-2 infection have been diagnosed in Denmark. Out of these, seven are from West Africa and two have been infected in Denmark by individuals from West Africa.
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[Human T-lymphotrophic virus type I and II--diagnosis and clinical presentation]. Ugeskr Laeger 1994; 156:7663-7. [PMID: 7839528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Human T-lymphotropic virus type 1, HTLV-I, was the first human oncogenic retrovirus to be isolated in 1978. HTLV-I has previously been called Human T-cell leukaemia virus or Human T-cell lymphoma virus type I. HTLV-I infection is endemic in southwestern Japan, the Caribbean basin, and parts of South America and Africa. HTLV-I is aetiologically associated with adult T-cell leukaemia lymphoma and tropical spastic paraparesis (TSP), also known as HTLV-I-associated myelopathy. HTLV-II was isolated in 1982 and is endemic among some north American Indians. HTLV-II has not been clearly linked to any specific disease. Both viruses are found worldwide, particularly among intravenous drug users (IVDU), and have also been found in blood donors in USA and Europe. HTLV-I/II are transmitted by the same routes as HIV-1: blood-borne via blood transfusions and among IVDUs by sharing contaminated needles, and by mother-to-child transmission, primarily through breast feeding. HTLV-I/II infections are also sexually transmitted and can be transmitted in utero, though less efficiently than HIV-1. The diagnosis of HTLV-I/II infections is based on the detection of antibody to the virus. Due to the high degree of cross reactivity between HTLV-I and HTLV-II, it is difficult by serology to discriminate between the two viruses. Less than 5% of individuals infected with HTLV-I develop symptoms after a latent period, which can last from a few years to several decades. No specific treatment of adult T-cell leukaemia or tropical spastic paraparesis is currently available and no vaccine has yet been developed.
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[HIV infection in children]. Ugeskr Laeger 1994; 156:2568-70, 2573-5. [PMID: 8016963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
More children will be born infected with HIV in the years to come. Children with early symptoms will come into quick contact with a hospital, while others may be infected for up to ten years without presenting HIV-related symptoms. HIV infection can be diagnosed early with a combination of methods that are currently available (viral culture, ELISA antigen testing), and also with methods that are at present only used in research (DNA and RNA detection with PCR). Together with the clinical picture, it should be possible to have a reliable diagnosis no later than six months after birth. The general development of the children can be followed at frequent out-patient visits, while prophylactic measures can quickly be put into motion when necessary. The course of the illness can be followed and predicted with the help of different laboratory investigations. The medical treatment of HIV positive children follows the pattern of adult HIV positive patients. Children with an increased risk of bacterial infections can receive intravenous immune globulin as prophylaxis. HIV infected children can be given the common vaccinations, but BCG and oral anti-polio vaccine should not be given to children with symptomatic HIV infection. Prophylaxis of vertical transmission of HIV should be aimed at HIV testing of all pregnant women, to prevent this route of transmission. As long as there is no efficient treatment of HIV infection, termination of pregnancy must be recommended early after conception to all HIV positive women. Children born of HIV positive mothers should not be breast-fed.
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[Diagnosis of HIV-infection]. Ugeskr Laeger 1991; 153:2410-4. [PMID: 1949239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Different methods have been developed for the diagnosis of HIV infection, i.e. detection of antibodies, antigen and proviral DNA. ELISA methods for detecting HIV-1 antibodies are widely used as screening assays. A sample which is repeatedly positive with ELISA is re-tested with a confirmatory test, e.g. western blot. Antibodies to HIV-1 are not detectable until 2-3 months after infection, but antigens may be detectable during the last weeks of this initial period, though they disappear with the appearance of the antibodies. In the later stages of HIV infection, HIV antigen is again detectable in a proportion of patients. Detection and quantitation of HIV antigen are used as indicators of disease progression and for monitoring the antiviral efficacy of therapeutic interventions. When no antibodies or antigens can be detected in persons suspected of having HIV infection, culture of HIV can be performed. For research purposes, detection of small amounts of proviral DNA can be made with polymerase chain reaction (PCR). The method is not yet applicable in routine diagnosis of HIV infection.
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High prevalence of indeterminate western blot tests for antibodies to HIV-1 in Tanzania. AIDS 1990; 4:1039-40. [PMID: 2261123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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[Sudden deafness in multiple sclerosis]. Ugeskr Laeger 1985; 147:711-2. [PMID: 3984074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Abstract
A photographic method which gives a large image on the film is used for recording perforations of the tympanic membrane and it may be valuable for comparing different methods of closure. A method for the treatment of minor perforations is also briefly mentioned.
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Re: "Myringotomy and ventilation tubes". Laryngoscope 1983; 93:1095. [PMID: 6683774 DOI: 10.1288/00005537-198308000-00023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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[An atypical case of geographic tongue. From otological practice]. Ugeskr Laeger 1983; 145:1549. [PMID: 6879784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Abstract
A survey of the literature concerning reversible hearing loss in tumours of the cerebello-pontine angle is presented together with two additional cases. After removal of one meningioma and one epidermoid tumour, respectively, the abolished acoustico-vestibular function returned in both cases. The pre-requisites for the restoration of hearing are discussed.
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