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Weber C, Schultze T, Göttig S, Kessel J, Schröder A, Tietgen M, Besier S, Burbach T, Häussler S, Wichelhaus TA, Hack D, Kempf VAJ, Hogardt M. Antimicrobial Activity of Ceftolozane-Tazobactam, Ceftazidime-Avibactam, and Cefiderocol against Multidrug-Resistant Pseudomonas aeruginosa Recovered at a German University Hospital. Microbiol Spectr 2022; 10:e0169722. [PMID: 36190424 PMCID: PMC9603231 DOI: 10.1128/spectrum.01697-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/12/2022] [Indexed: 12/31/2022] Open
Abstract
Multidrug-resistant (MDR) Pseudomonas aeruginosa increasingly causes health care-associated infections. In this study, we determined the activity of ceftolozane-tazobactam, ceftazidime-avibactam, and cefiderocol against 223 MDR P. aeruginosa clinical isolates recovered from 2013 to 2017 at the University Hospital Frankfurt by using MIC test strips. Furthermore, we evaluated the presence of genes encoding major β-lactamases, such as VIM, IMP, NDM, GIM, SPM, and KPC; the extended spectrum β-lactamase (ESBL)-carbapenemase GES; and the virulence-associated traits ExoS and ExoU, as in particular ExoU is thought to be associated with poor clinical outcome. For MDR P. aeruginosa isolates, the MIC50/MIC90 values of ceftolozane-tazobactam, ceftazidime-avibactam, and cefiderocol were 8/>256 mg/L, 16/>256 mg/L, and 0.25/1 mg/L, respectively. Cefiderocol showed the highest susceptibility rate (97.3%) followed by ceftazidime-avibactam (48.4%) and ceftolozane-tazobactam (46.6%). In 81 (36.3%) isolates, carbapenemase gene blaVIM was detected, and in 5 (2.2%) isolates, blaGES was detected (with a positive association of exoU and blaVIM). More than half of the isolates belong to the so-called international P. aeruginosa "high-risk" clones, with sequence type 235 (ST235) (24.7%) being the most prevalent. This study underlines that ceftolozane-tazobactam, ceftazidime-avibactam, and cefiderocol are important options for the treatment of infections due to MDR P. aeruginosa, with cefiderocol currently being the most active available antipseudomonal β-lactam agent. According to our clinical experience, the outcome of cefiderocol therapy (8 patients) was favorable especially in cases of MDR P. aeruginosa-associated complicated urinary tract infections. IMPORTANCE After testing ceftolozane-tazobactam, ceftazidime-avibactam, and cefiderocol against a collection of 233 multidrug-resistant (MDR) Pseudomonas aeruginosa, we showed that cefiderocol is the most active antipseudomonal β-lactam agent (susceptibility rates were 46.6%, 48.4%, and 97.4%, respectively). The most prevalent one was sequence type 235 (ST235) (24.7%), followed by ST244, ST175, and ST233, with all belonging to the top 10 P. aeruginosa high-risk clones with worldwide distribution. Our data indicate that during surveillance studies special attention should be paid to the MDR and highly virulent VIM- and ExoU-producing variant of ST235. Furthermore, in the case of infections caused by carbapenemase-producing MDR P. aeruginosa, cefiderocol is the preferred treatment option, while outcomes of complicated urinary tract infections and hospital-acquired pneumonia with cefiderocol were favorable.
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Affiliation(s)
- C. Weber
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - T. Schultze
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- University Center of Competence for Infection Control of the State of Hesse, Frankfurt am Main, Germany
| | - S. Göttig
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - J. Kessel
- Department of Internal Medicine, Infectious Diseases, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - A. Schröder
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- German National Consiliary Laboratory on Cystic Fibrosis Bacteriology, Frankfurt am Main, Germany
| | - M. Tietgen
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- University Center of Competence for Infection Control of the State of Hesse, Frankfurt am Main, Germany
| | - S. Besier
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- German National Consiliary Laboratory on Cystic Fibrosis Bacteriology, Frankfurt am Main, Germany
| | - T. Burbach
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - S. Häussler
- Department of Molecular Bacteriology, Helmholtz Center for Infection Research, Braunschweig, Germany
- Department of Clinical Microbiology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - T. A. Wichelhaus
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - D. Hack
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- University Center of Competence for Infection Control of the State of Hesse, Frankfurt am Main, Germany
| | - V. A. J. Kempf
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- University Center of Competence for Infection Control of the State of Hesse, Frankfurt am Main, Germany
| | - M. Hogardt
- Institute for Medical Microbiology and Infection Control, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- German National Consiliary Laboratory on Cystic Fibrosis Bacteriology, Frankfurt am Main, Germany
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Yildiz I, Mantz M, Hartmann M, Zeier T, Kessel J, Thurow C, Gatz C, Petzsch P, Köhrer K, Zeier J. The mobile SAR signal N-hydroxypipecolic acid induces NPR1-dependent transcriptional reprogramming and immune priming. Plant Physiol 2021; 186:1679-1705. [PMID: 33871649 PMCID: PMC8260123 DOI: 10.1093/plphys/kiab166] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 03/29/2021] [Indexed: 05/07/2023]
Abstract
N-hydroxypipecolic acid (NHP) accumulates in the plant foliage in response to a localized microbial attack and induces systemic acquired resistance (SAR) in distant leaf tissue. Previous studies indicated that pathogen inoculation of Arabidopsis (Arabidopsis thaliana) systemically activates SAR-related transcriptional reprogramming and a primed immune status in strict dependence of FLAVIN-DEPENDENT MONOOXYGENASE 1 (FMO1), which mediates the endogenous biosynthesis of NHP. Here, we show that elevations of NHP by exogenous treatment are sufficient to induce a SAR-reminiscent transcriptional response that mobilizes key components of immune surveillance and signal transduction. Exogenous NHP primes Arabidopsis wild-type and NHP-deficient fmo1 plants for a boosted induction of pathogen-triggered defenses, such as the biosynthesis of the stress hormone salicylic acid (SA), accumulation of the phytoalexin camalexin and branched-chain amino acids, as well as expression of defense-related genes. NHP also sensitizes the foliage systemically for enhanced SA-inducible gene expression. NHP-triggered SAR, transcriptional reprogramming, and defense priming are fortified by SA accumulation, and require the function of the transcriptional coregulator NON-EXPRESSOR OF PR GENES1 (NPR1). Our results suggest that NPR1 transduces NHP-activated immune signaling modes with predominantly SA-dependent and minor SA-independent features. They further support the notion that NHP functions as a mobile immune regulator capable of moving independently of active SA signaling between leaves to systemically activate immune responses.
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Affiliation(s)
- Ipek Yildiz
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Melissa Mantz
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Michael Hartmann
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Tatyana Zeier
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Jana Kessel
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Corinna Thurow
- Department of Plant Molecular Biology and Physiology, Albrecht-von-Haller Institute for Plant Sciences, University of Göttingen, Göttingen D-37077, Germany
| | - Christiane Gatz
- Department of Plant Molecular Biology and Physiology, Albrecht-von-Haller Institute for Plant Sciences, University of Göttingen, Göttingen D-37077, Germany
| | - Patrick Petzsch
- Medical Faculty, Biological and Medical Research Center (BMFZ), Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Karl Köhrer
- Medical Faculty, Biological and Medical Research Center (BMFZ), Heinrich Heine University, Düsseldorf D-40225, Germany
| | - Jürgen Zeier
- Department of Biology, Institute for Molecular Ecophysiology of Plants, Heinrich Heine University, Düsseldorf D-40225, Germany
- Cluster of Excellence on Plant Sciences (CEPLAS), Düsseldorf D-40225, Germany
- Author for communication:
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Heimann SM, Vehreschild MJGT, Cornely OA, Heinz WJ, Grüner B, Silling G, Kessel J, Seidel D, Vehreschild JJ. Healthcare burden of probable and proven invasive mucormycosis: a multi-centre cost-of-illness analysis of patients treated in tertiary care hospitals between 2003 and 2016. J Hosp Infect 2018; 101:339-346. [PMID: 30423409 DOI: 10.1016/j.jhin.2018.11.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 11/05/2018] [Indexed: 10/27/2022]
Abstract
BACKGROUND Invasive mucormycosis (IM) is a rare invasive fungal infection with a high mortality rate. However, data concerning the clinical and economic burden of IM are scarce. AIM To evaluate the direct treatment costs and additional expenditures of patients with IM. METHODS A retrospective cost-of-illness analysis of cases with IM extracted from FungiScope - Global Registry for Emerging Fungal Infections, accessible through the epidemiological research platform www.ClinicalSurveys.net, was undertaken. Results of patients with IM were compared with those of matched patients with similar underlying conditions based on the German Diagnosis Related Group (G-DRG) coding. FINDINGS Out of 46 patients with probable/proven IM, 31 (67%) patients were male and the median age was 53 years (range 11-88 years). Forty-two patients (92%) had haematological diseases as the most common risk factor. Analysis of cost factors identified antifungal treatment due to IM as the primary cost driver [€22,816, 95% confidence interval (CI) €15,036-32,346], with mean overall direct treatment costs of €53,261 (95% CI €39,660-68,825). Compared with matched patients, patients with IM were treated in hospital for 26.5 additional days (standard deviation 31.8 days; P < 0.001), resulting in mean additional costs of €32,991 (95% CI €21,558-46,613; P < 0.001). Probable IM, as well as absence of chemotherapy, surgical measures due to IM, and antifungal prophylaxis were associated with lower overall costs. Nineteen patients (41.3%) died during hospitalization. CONCLUSION This study demonstrates the considerable healthcare burden of IM. The choice of antifungal agent for treatment of IM had no impact on overall cost.
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Affiliation(s)
- S M Heimann
- University Hospital of Cologne, Department I of Internal Medicine, Cologne, Germany.
| | - M J G T Vehreschild
- University Hospital of Cologne, Department I of Internal Medicine, Cologne, Germany; German Centre for Infection Research, Partner Site Bonn-Cologne, Cologne, Germany
| | - O A Cornely
- University Hospital of Cologne, Department I of Internal Medicine, Cologne, Germany; German Centre for Infection Research, Partner Site Bonn-Cologne, Cologne, Germany; Clinical Trials Centre Cologne, ZKS Köln, and Cluster of Excellence, Cellular Stress Responses in Aging-Associated Diseases, University of Cologne, Cologne, Germany
| | - W J Heinz
- University of Würzburg Medical Centre, Med. Clinic II, Würzburg, Germany
| | - B Grüner
- University Medical Centre Ulm, Comprehensive Infectious Disease Centre, Ulm, Germany
| | - G Silling
- Department of Haematology, Oncology, Haemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Aachen, Germany
| | - J Kessel
- University Hospital of Frankfurt, Department II of Internal Medicine, Infectiology, Frankfurt/Main, Germany
| | - D Seidel
- University Hospital of Cologne, Department I of Internal Medicine, Cologne, Germany
| | - J J Vehreschild
- University Hospital of Cologne, Department I of Internal Medicine, Cologne, Germany; German Centre for Infection Research, Partner Site Bonn-Cologne, Cologne, Germany
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Springer J, McCormick Smith I, Hartmann S, Winkelmann R, Wilmes D, Cornely O, Kessel J, Löffler J, Rickerts V. Identification of Aspergillus and Mucorales in formalin-fixed, paraffin-embedded tissue samples: Comparison of specific and broad-range fungal qPCR assays. Med Mycol 2018; 57:308-313. [DOI: 10.1093/mmy/myy041] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 04/09/2018] [Accepted: 05/17/2018] [Indexed: 11/14/2022] Open
Affiliation(s)
- J Springer
- University of Würzburg, Dept. for internal Medicine II, Würzburg, Germany
| | | | - S Hartmann
- Goethe University Frankfurt, Dr. Senckenberg Institute of Pathology
| | - R Winkelmann
- Goethe University Frankfurt, Dr. Senckenberg Institute of Pathology
| | - D Wilmes
- Robert Koch Institut, Berlin, Germany
| | - O Cornely
- University of Cologne, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Department I of Internal Medicine, Clinical Trials Centre Cologne (ZKS Köln), German Centre for Infection Research (DZIF), Cologne, Germany
| | - J Kessel
- Goethe University Frankfurt, Dept. for internal Medicine II
| | - J Löffler
- University of Würzburg, Dept. for internal Medicine II, Würzburg, Germany
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Burri R, Kessel J, Horowitz D, Sharma C, Chao K. Impact of Radiation Therapy on Survival in Surgically Managed Stage II and III Esophageal Cancer: A SEER Database Analysis. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Zhang P, Liu T, Osterman S, Li X, Kessel J, Leester W, Schiff P, Kutcher G. How Does the Performance of Ultrasound Tissue Typing Affect the Design of Prostate IMRT Dose Painting Protocols? Int J Radiat Oncol Biol Phys 2005. [DOI: 10.1016/j.ijrobp.2005.07.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kessel J, Ward RM. Congenital malformations presenting during the neonatal period. Clin Perinatol 1998; 25:351-69. [PMID: 9646998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Discharge of the newborn within 24 to 48 hours after birth makes it more difficult to detect some congenital malformations and increases the need for careful examination and review of the history of the pregnancy, delivery, and nursery course. Progressive physiologic changes after birth, especially in the cardiovascular system, precede the development of signs indicative of disease for certain congenital malformations. Discharge before these changes occur may delay their detection because the newborn is not being monitored by medical or nursing caregivers. The AAP Committee on the Fetus and Newborn has published guidelines for criteria for safe discharge and follow-up evaluation to help create a safe situation for such early discharges. Some specific observations at birth may lead to earlier diagnosis. Careful attention to subtle differences between the initial and follow-up examination, such as a changing cardiac murmur or quality of pulses or abdominal fullness, may provide clues to the diagnosis of congenital malformations. Coordinated suck and swallow with successful feeding and passage of stool and urine within 24 hours after birth should occur before discharge. Reports of feeding difficulties should be reviewed. Although a thorough examination is facilitated by a sleeping infant, documentation of a normal pitched cry helps in the evaluation of the upper airway. Parents should be counseled about signs of illness that warrant medical attention, and early follow-up is needed to detect problems early enough to intervene effectively. In addition, although passage of a feeding tube through each nare and to the stomach with aspiration and measurement of gastric volume is not a routine procedure in the well, term newborn, this may be a useful early diagnostic tool in infants with signs or a maternal or nursery history suggestive of nasal or GI obstruction.
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Affiliation(s)
- J Kessel
- Department of Pediatrics, University of Utah, Salt Lake City, USA
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Abstract
The efficacy of a benzodiazepine was compared with that of a neuroleptic for the rapid tranquilization of patients presenting at a psychiatric emergency room service. Thirty-seven highly agitated patients exhibiting psychotic symptoms were randomly assigned to receive either 2 mg lorazepam or 5 mg haloperidol as needed every 30 min for 4 h. Administration route was either intramuscular injection or oral concentrate. Symptom ratings were conducted each hour using double-blind procedures. Both medications reduced symptom ratings on the Brief Psychiatric Rating Scale and Global Clinical Impression of Overall Symptom Severity Scale. Global Clinical Impression scores for the two medication groups did not differ significantly either at baseline or at 4 h after entry into the study. However, Global Clinical Impression scores of patients in the lorazepam group were less severe at intermittent ratings. The groups did not differ on the Brief Psychiatric Rating Scale at any rating time. No differences were found either in the number of doses administered or in the administration route selected. Given the potential for severe extrapyramidal symptoms developing hours or days after a single dose of haloperidol, lorazepam may provide an excellent alternative for the rapid tranquilization of the acutely agitated psychotic patient in the emergency room setting.
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Affiliation(s)
- S Foster
- Department of Psychiatry, Medical College of Pennsylvania-Hahnemann University Medical School, Philadelphia, USA
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Abstract
We use a standing-drop culturing method to investigate the effect on mesodermal erythropoiesis of ectoderm and endoderm from the area opaca vasculosa (AOV) and area pellucida (AP) of stage-4 chick blastoderms. We find that ectoderm from the AOV and ectoderm and endoderm from the AP exert an inhibitory influence on mesodermal erythropoiesis. This inhibitory influence is coupled with the tendency of the explants to spread out and become flattened in culture. In contrast, endoderm from the AOV is found to be stimulatory, in agreement with previous studies. We correlate these in vitro inhibitory and stimulatory influences with the morphogenetic patterns that occur during normal development.
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Affiliation(s)
- J Kessel
- B. I. Balinsky Laboratory, Department of Zoology, University of the Witwatersrand, Johannesburg, South Africa
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Kessel J. Transmittance measurements in the integrating sphere. Appl Opt 1986; 25:2752. [PMID: 18231556 DOI: 10.1364/ao.25.002752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Kessel J, Fabian BC. The pluripotency of the extraembryonic mesodermal cells of the early chick blastoderm: effects of the AP and AOV environments. Dev Biol 1986; 116:319-27. [PMID: 2426149 DOI: 10.1016/0012-1606(86)90135-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This study investigates the developmental potential of the extraembryonic mesodermal cells of the early chick blastoderm. [3H]Thymidine-labeled mesodermal fragments from the extraembryonic area pellucida (AP) and area opaca vasculosa (AOV) were transplanted into the AP or AOV of nonlabeled host blastoderms in culture, and their fate followed autoradiographically. All the homotopically transplanted mesodermal cells differentiated in accordance with their normal fates. However, not all the heterotopically transplanted mesodermal cells did so, for some of the stage 8 AP extraembryonic mesodermal cells (normally nonerythropoietic) gave rise to blood cells when transplanted into the AOV. We also observed that the stage 4-5 AOV mesoderm continues to migrate peripherally when heterotopically transplanted into the AP, at a time when the AP mesodermal cells are nonmigratory. In support of our premise that the stage 8-9 AP extraembryonic mesoderm has the potential to form blood, we observed a clear-cut production of hemoglobin when the latter mesoderm was co-cultured on coverslips with stage 4 AOV endoderm.
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Kessel J, Fabian BC. Graded morphogenetic patterns during the development of the extraembryonic blood system and coelom of the chick blastoderm: A scanning electron microscope and light microscope study. ACTA ACUST UNITED AC 1985; 173:99-112. [PMID: 20726115 DOI: 10.1002/aja.1001730204] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kessel J, Bürkner K. Die Deutsche Otologische Gesellschaft. Eur Arch Otorhinolaryngol 1894. [DOI: 10.1007/bf02001705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kessel J. 3. Ueber das Hören von Tönen und Geräuschen. Eur Arch Otorhinolaryngol 1882. [DOI: 10.1007/bf01804070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kessel J. 2. Ueber die Verschiedenheit der Intensität eines linearerregten Schalles in verschiedenen Richtungen. Eur Arch Otorhinolaryngol 1882. [DOI: 10.1007/bf01804069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kessel J. Ueber die Durchschneidung des Steigbügelmuskels beim Menschen und über die Extraction des Steigbügels, resp. der Columella bei Thieren. Eur Arch Otorhinolaryngol 1876. [DOI: 10.1007/bf02209186] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kessel J. Ueber den Einfluss der Binnenmuskeln der Paukenhöhle auf die Bewegungen und Schwingungen des Trommelfells am todten Ohre. Eur Arch Otorhinolaryngol 1873. [DOI: 10.1007/bf02021173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kessel J. Ueber Form- und Lageverhältnisse eigenthümllicher an der Schleimhaut des menschlichen Mittelohres vorkommender Organe. Eur Arch Otorhinolaryngol 1870. [DOI: 10.1007/bf01804373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kessel J. Zur Myringitis villosa. Eur Arch Otorhinolaryngol 1870. [DOI: 10.1007/bf01804372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kessel J. Vorläufige Mittheilungen über einige anatomische Verhältnisse des Mittelohres. Eur Arch Otorhinolaryngol 1867. [DOI: 10.1007/bf01804292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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