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排序方式: 共有54条查询结果,搜索用时 31 毫秒
1.
Akbil Bengisu Meyer Tim Stubbemann Paula Thibeault Charlotte Staudacher Olga Niemeyer Daniela Jansen Jenny Mühlemann Barbara Doehn Jan Tabeling Christoph Nusshag Christian Hirzel Cédric Sanchez David Sökler Nieters Alexandra Lother Achim Duerschmied Daniel Schallner Nils Lieberum Jan Nikolaus August Dietrich Rieg Siegbert Falcone Valeria Hengel Hartmut Kölsch Uwe Unterwalder Nadine Hübner Ralf-Harto Jones Terry C. Suttorp Norbert Drosten Christian Warnatz Klaus Spinetti Thibaud Schefold Joerg C. Dörner Thomas Sander Leif Erik Corman Victor M. Merle Uta Kurth Florian von Bernuth Horst Meisel Christian Goffinet Christine 《Journal of clinical immunology》2022,42(6):1111-1129
Journal of Clinical Immunology - Six to 19% of critically ill COVID-19 patients display circulating auto-antibodies against type I interferons (IFN-AABs). Here, we establish a clinically applicable... 相似文献
2.
Peter W. Schreiber Heike A. Bischoff‐Ferrari Katia Boggian Christian van Delden Natalia Enriquez Thomas Fehr Christian Garzoni Hans H. Hirsch Cdric Hirzel Oriol Manuel Pascal Meylan Lanja Saleh Maja Weisser Nicolas J. Mueller 《Transplant international》2019,32(1):49-58
Increasing evidence indicates a role of vitamin D in the immune system affecting response to infections. We aimed to characterize the role of vitamin D status, i.e. deficiency [25‐OH vitamin D (25‐OHD) <50 nmol/l] and no deficiency (25‐OHD ≥50 nmol/l) in incident infections after liver transplantation. In 135 liver transplant recipients, blood samples drawn at time of liver transplantation and 6 months afterwards were used to determine 25‐OHD levels. Incident infections episodes were prospectively collected within the Swiss Transplant Cohort Study database. Poisson regression was applied to address associations between vitamin D status and incident infections. Vitamin D deficiency was common at time of transplantation and 6 months afterwards without a significant change in median 25‐OHD levels. In univariable analyses, vitamin D deficiency was a risk factor for incident infections in the first 6 months post‐transplant incidence rate ratio (IRR 1.52, 95% CI 1.08–2.15, P = 0.018) and for bacterial infections occurring after 6 up to 30 months post‐transplant (IRR 2.29, 95% CI 1.06–4.94, P = 0.034). These associations were not detectable in multivariable analysis with adjustment for multiple confounders. Efforts to optimize vitamin D supplementation in liver transplant recipients are needed. Our data question the role of vitamin D deficiency in incident infections. 相似文献
3.
Laura N. Walti Catrina Mugglin Daniel Sidler Matteo Mombelli Oriol Manuel Hans H. Hirsch Nina Khanna Nicolas Mueller Christoph Berger Katia Boggian Christian Garzoni Dionysios Neofytos Christian van Delden Cédric Hirzel Swiss Transplant Cohort Study 《American journal of transplantation》2021,21(7):2532-2542
Posttransplant lymphoproliferative disorder (PTLD) is a serious complication of solid organ transplantation (SOT). Most PTLD cases are associated with Epstein–Barr virus (EBV) infection. The role of antiviral prophylaxis or rituximab therapy for prevention of PTLD in SOT recipients is controversial. In a nationwide cohort, we assessed the incidence, presentation, and outcome of histologically proven PTLD. We included 4765 patients with a follow-up duration of 23 807 person-years (py). Fifty-seven PTLD cases were identified; 39 (68%) were EBV positive (EBV+ PTLD). Incidence rates for EBV+ PTLD at 1, 2, and 3 years posttransplant were 3.51, 2.24, and 1.75/1000 py and 0.44, 0.25, and 0.29/1000 py for EBV− PTLD. We did not find an effect of antiviral prophylaxis on early and late EBV+ PTLD occurrence (early EBV+ PTLD: SHR 0.535 [95% CI 0.199–1.436], p = .264; late EBV+ PTLD: SHR 2.213, [95% CI 0.751–6.521], p = .150). However, none of the patients (0/191) who received a rituximab-containing induction treatment experienced PTLD, but 57 of 4574 patients without rituximab induction developed PTLD. In an adjusted restricted mean survival time model, PTLD-free survival was significantly longer (0.104 years [95% CI 0.077–0.131]) in patients receiving rituximab as induction treatment. This study provides novel data on the association of rituximab induction and reduced risk for PTLD. 相似文献
4.
Cedric Hirzel Arnaud G. L'Huillier Victor H. Ferreira Tina Marinelli Terrance Ku Matthew Ierullo Congrong Miao D. Scott Schmid Stephen Juvet Atul Humar Deepali Kumar 《American journal of transplantation》2021,21(6):2246-2253
Lung transplant recipients are at high risk for herpes zoster and preventive measures are a significant unmet need. We investigated the safety and immunogenicity of two doses of a recombinant zoster vaccine (RZV) in lung transplant recipients (≥50 years). We enrolled 50 patients of which 49 received at least one vaccine dose. Anti-glycoprotein E (gE) antibody levels (n = 43) increased significantly compared to baseline (median optical density [OD] 1.96; interquartile range [IQR]: 1.17–2.89) after the first (median OD 3.41, IQR 2.54–3.81, p < .0001) and second vaccine dose (median OD 3.63, IQR 3.39–3.86, p < .0001). gE-specific polyfunctional CD4+ T cell frequencies (n = 38) also increased from baseline (median 85 per 106 CD4+ T cells; IQR: 46–180) to the first (median 128 per 106 CD4+ T cells; IQR: 82–353; p = .023) and after the second dose (median 361 per 106 CD4+ T cells; IQR: 146–848; p < .0001). Tenderness (83.0%; 95%CI: 69.2–92.4%) and redness (31.9%; 95%CI: 19.1–47.1%) at injection site were common. One rejection episode within 3 weeks of vaccination was observed. This is the first study demonstrating that RZV was safe and elicited significant humoral and cell-mediated immunity in lung transplant recipients. RZV is a new option for the prevention of shingles in this population. 相似文献
5.
Preventive Strategies Against Cytomegalovirus and Incidence of α‐Herpesvirus Infections in Solid Organ Transplant Recipients: A Nationwide Cohort Study 下载免费PDF全文
C. Martin‐Gandul S. Stampf D. Héquet N. J. Mueller A. Cusini C. van Delden N. Khanna K. Boggian C. Hirzel P. Soccal H. H. Hirsch M. Pascual P. Meylan O. Manuel Swiss Transplant Cohort Study 《American journal of transplantation》2017,17(7):1813-1822
We assessed the impact of antiviral preventive strategies on the incidence of herpes simplex virus (HSV) and varicella‐zoster virus (VZV) infections in a nationwide cohort of transplant recipients. Risk factors for the development of HSV or VZV infection were assessed by Cox proportional hazards regression. We included 2781 patients (56% kidney, 20% liver, 10% lung, 7.3% heart, 6.7% others). Overall, 1264 (45%) patients received antiviral prophylaxis (ganciclovir or valganciclovir, n = 1145; acyclovir or valacyclovir, n = 138). Incidence of HSV and VZV infections was 28.9 and 12.1 cases, respectively, per 1000 person‐years. Incidence of HSV and VZV infections at 1 year after transplant was 4.6% (95% confidence interval [CI] 3.5–5.8) in patients receiving antiviral prophylaxis versus 12.3% (95% CI 10.7–14) in patients without prophylaxis; this was observed particularly for HSV infections (3% [95% CI 2.2–4] versus 9.8% [95% CI 8.4–11.4], respectively). A lower rate of HSV and VZV infections was also seen in donor or recipient cytomegalovirus‐positive patients receiving ganciclovir or valganciclovir prophylaxis compared with a preemptive approach. Female sex (hazard ratio [HR] 1.663, p = 0.001), HSV seropositivity (HR 5.198, p < 0.001), previous episodes of rejection (HR 1.95, p = 0.004), and use of a preemptive approach (HR 2.841, p = 0.017) were significantly associated with a higher risk of HSV infection. Although HSV and VZV infections were common after transplantation, antiviral prophylaxis significantly reduced symptomatic HSV infections. 相似文献
6.
U N Dürst E Bruder L Egloff J Wüst J Schneider H O Hirzel 《Zeitschrift für Kardiologie》1991,80(4):294-298
A rare case of prosthetic valve endocarditis caused by Micrococcus luteus is described and compared with the few cases reported in the literature, as well as the clinical features, microbiological profile, therapy, and prognosis of common prosthetic valve endocarditis. Micrococcus luteus is a constituent of the normal human buccal bacterial flora which forms yellowish colonies and appears as a gram-positive coccus typically arranged in tetrades. Although of low virulence, the germ may become pathogenic in patients with impaired resistance, colonizing the surface of heart valves. In contrast to staphylococci (for which it may easily be mistaken) it is usually penicillin-sensitive. However, the most promising antibiotic regimen proposed for treatment of Micrococcus luteus seems to be a combination of vancomycin, amikacin, and rifampicin. If the infection leads to severe hemodynamic alterations, however, valve replacement may become necessary similar to the situation in prosthetic valve endocarditis caused by more aggressive and highly resistant bacteria. 相似文献
7.
Zusammenfassung Die Kieferorthopädie wurde als Lehrfach im zahnärztlichen Grundstudium, als zusätzliche Ausbildung für Spezialisten und als Thema verschiedenster Fortbildungskurse beschrieben. Die Zahl und Verteilung von kieferorthopädischen Spezialisten in den Vereinigten Staaten gibt Aufschluß über die kieferorthopädische Versorgung der Bevölkerung. Die Möglichkeiten für ausländische Zahnärzte, sich in den Vereinigten Staaten zusätzlich in Orthodontie auszubilden, wurde kurz diskutiert.
Summary In this article the part played by orthodontics in the undergraduate curriculum, in educating orthodontic specialists or in continuing education courses has been described. The number and distribution of orthodontists throughout the United States indicate the availability of orthodontic care. The possibilities for foreign trained dentists to undergo further education in orthodontics has been briefly discussed.
Résumé Nous décrivons comment l'orthodontie fait partie intégrale des études médico-dentaires et de la formation supplémentaire du spécialiste et comment elle sert de thème à différents cours de perfectionnement.Nous mentionnons aussi quel est le nombre et comment s'établit la répartition de spécialistes en orthodontie aux Etats Unis par rapport à la population.Nous indiquons enfin les possibilités pour un médecin-dentiste étranger, de se spécialiser en orthodontie aux Etats Unis.相似文献
8.
Heart center surgery in the private hospital: heart surgery in the hospital with covering physicians
Based upon the experiences at the "Herzzentrum Hirslanden" Zurich it is demonstrated that heart surgery and invasive cardiology, including cardiac catheterization and PTCA, can readily be performed by surgeons and cardiologists in private practice at a private hospital not receiving any government funds. The needs for additional heart surgical beds in the greater area of Zurich is confirmed. Manpower needed and necessary apparative infrastructure are discussed and present activities at the "Herzzentrum Hirslanden" illustrated. Finally problems with medical insurance companies covering the cost are dealt with. 相似文献
9.
This study was performed in order to evaluate the changes in uterine fibroid symptoms and their impact on the quality of life after uterine fibroid embolization (UFE). The patients source of information about this novel treatment and their reasons for choosing UFE were also studied. Health-related quality of life and the status of uterine fibroid symptoms were assessed in 44 patients before and after treatment using a validated questionnaire. After 33.5 months on average, a significant change in symptoms of -60.4% and a change in health-related quality of life of +74.39% were reported. Over 50% of patients had heard about UFE for the first time through the media, and 62.9% of patients had opted for this form of treatment because it enabled them to keep their uterus; 91.5% of patients would recommend it. UFE is a novel, effective and minimally invasive alternative to more invasive, open or laparascopic treatment procedures in cases of uterine fibroid symptoms. 相似文献
10.
Thallium-201 scintigraphy in complete left bundle branch block 总被引:4,自引:0,他引:4
H O Hirzel M Senn K Nuesch C Buettner A Pfeiffer O M Hess H P Krayenbuehl 《The American journal of cardiology》1984,53(6):764-769
Nineteen symptomatic patients with left bundle branch block (LBBB) were examined by thallium-201 (TI-201) exercise scintigraphy and selective coronary arteriography. All elicited significant anteroseptal perfusion defects in the exercise scintigrams, but in only 4 was coronary artery disease (CAD) involving the left anterior descending coronary artery present. To further elucidate the effect of LBBB on septal TI-201 uptake in the absence of CAD, TI-201 scintigrams combined with regional myocardial blood flow measurements using radioactive microspheres were carried out in 7 dogs during right atrial and right ventricular pacing (LBBB in the ECG) at similar heart rates. During right atrial pacing, TI-201 uptake was homogeneous in the entire left ventricle, as were tissue flows. During right ventricular pacing, TI-201 activity was reduced to 69% of maximal TI-201 activity within the septum, whereas it averaged 90% in the lateral wall (p less than 0.05) in 6 dogs. Correspondingly, regional myocardial blood flow was lower within the septum as compared with that in the lateral wall, averaging 89 and 120 ml/min/100 g, respectively (p less than 0.005). In 1 dog, normal TI-201 distribution and tissue flows were found in both studies. Thus, symptomatic patients with LBBB may elicit abnormal TI-201 exercise scintigrams, suggesting anteroseptal ischemia despite normal coronary arteries. The electrical induction of LBBB in dogs results, in most instances, in a comparable reduction in septal TI-201 uptake associated with diminished septal blood flow. Therefore, exercise-induced septal perfusion defects in the presence of LBBB do not necessarily indicate CAD even in symptomatic patients, but may reflect functional ischemia due to asynchronous septal contraction. 相似文献