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Guliyeva G, Huayllani MT, Kraft C, Lehrman C, Kraft MT. Allergic Complications of Hyaluronidase Injection: Risk Factors, Treatment Strategies, and Recommendations for Management. Aesthetic Plast Surg 2024; 48:413-439. [PMID: 37145319 DOI: 10.1007/s00266-023-03348-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/27/2023] [Indexed: 05/06/2023]
Abstract
BACKGROUND Hyaluronidase is used as a reversal agent for hyaluronic acid fillers and to increase the diffusion of other medications after infiltration. Cases of hyaluronidase allergy have been described in the literature since 1984. However, it is still frequently misdiagnosed. This review aims to summarize the current literature to describe the clinical picture of hyaluronidase allergy and identify any risk factors associated with its development, as well as provide recommendations for management in plastic surgery. METHODS A digital search of PubMed, Scopus, and Embase databases was performed by two reviewers following the PRISMA guidelines. This search identified 247 articles. RESULTS Two hundred forty-seven articles were identified, and 37 of them met the eligibility criteria. One hundred six patients with a mean age of 54.2 years were included in these studies. History of allergy to other substances (timothy grass, egg white, horse serum, penicillin, insect bites, wasp venom, thimerosal, potassium, histamine, phenylmercuric acetate, and nickel) and allergic diseases (asthma, dermatitis, atopy, rhinitis) was reported. A large portion of the patients with a history of repeated exposure (2-4) experienced the symptoms with their second injection. Nonetheless, there was no significant association between time to allergy development and the number of exposures (P = 0.3). Treatment with steroids +/- antihistamines resulted in the rapid and predominantly complete reversal of the symptoms. CONCLUSIONS Prior injections or sensitization by insect/wasp venom might be the primary factor associated with hyaluronidase allergy development. The time between the repeated injections is not a likely contributor to the presentation. LEVEL OF EVIDENCE III This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Gunel Guliyeva
- Department of Plastic and Reconstructive Surgery, The Ohio State University, Columbus, OH, USA
| | - Maria T Huayllani
- Department of Plastic and Reconstructive Surgery, The Ohio State University, Columbus, OH, USA
| | - Casey Kraft
- "Cosmetic and Plastic Surgery of Columbus, Inc", at 41 Commerce Parkway, Westerville, OH, USA
| | - Craig Lehrman
- Department of Plastic and Reconstructive Surgery, The Ohio State University, Columbus, OH, USA
| | - Monica T Kraft
- Division of Allergy and Immunology, Department of Otolaryngology, The Ohio State University, 915 Olentangy River Rd, Columbus, OH, 43212, USA.
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Dong R, Lanier K, Kraft C, Skoracki R, Lehrman C, Kraft M. SAFETY OF CEFAZOLIN PERIOPERATIVE PROPHYLAXIS IN PLASTIC SURGERY PATIENTS WITH PENICILLIN ALLERGY. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.553] [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: 11/11/2022]
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Abstract
INTRODUCTION Hidradenitis suppurativa can be a debilitating condition, particularly in the pediatric population. Axillary hidradenitis can be particularly challenging because of the risk of scar contracture and limited range of motion after definitive resection and reconstruction. A dermal regeneration template (DRT) and skin grafting have been used to reduce scar contracture in other areas of the body and may benefit this population. OBJECTIVE This case series retrospectively reviewed and evaluated outcomes using DRT and skin grafting for axillary hidradenitis reconstruction to report the authors' initial experience. MATERIALS AND METHODS After institutional review board approval, a retrospective review was conducted of a single surgeon's experience for all patients undergoing axillary hidradenitis resection and immediate reconstruction with DRT and skin grafting from 2015 through 2018. Preoperative characteristics, surgical details, and postoperative results were collected. RESULTS Five patients undergoing 7 procedures were eligible for inclusion. The average age at the time of surgery was 18.2 years. Patients underwent an average of 4.9 negative pressure wound therapy changes prior to skin grafting. No complications, DRT loss, or skin graft loss occurred. All patients were reported to have normal range of motion of the surgically managed extremity after skin grafting. The average follow-up was 273.4 days after the last procedure. As of this writing, no patients had experienced any recurrence of hidradenitis in the surgically managed axilla. CONCLUSIONS The use of DRT and subsequent skin grafting for the definitive management of axillary hidradenitis resulted in no recurrence and full range of motion of the affected extremity without complications. Surgeons should consider using this method of reconstruction for axillary hidradenitis, particularly in the pediatric population.
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Affiliation(s)
- Casey Kraft
- Ohio State University Wexner Medical Center, Columbus, OH
| | - Gregory Pearson
- Ohio State University Wexner Medical Center, Columbus, OH; Nationwide Children's Hospital, Columbus, OH
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Meschede J, Holtrup S, Deitmer R, Mesu A, Kraft C. Reduction of Salmonella prevalence at slaughter in Lawsonia intracellularis co-infected swine herds by Enterisol® Ileitis vaccination. Heliyon 2021; 7:e06714. [PMID: 33912707 PMCID: PMC8066352 DOI: 10.1016/j.heliyon.2021.e06714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/08/2021] [Accepted: 03/31/2021] [Indexed: 01/19/2023] Open
Abstract
Salmonella spp. remains a wide-spread pathogen among pig herds and its control has major impact on food borne Salmonella infections in humans. The objective of the study was to investigate the influence of an Enterisol® Ileitis vaccination on Salmonella seroprevalence in Lawsonia intracellularis (L. intracellularis) and Salmonella spp. co-infected pig herds under field conditions. This study compared vaccinated and non-vaccinated pigs of consecutive piglet batches, housed on four different finishing units. Prior to study start, endemic field infections of L. intracellularis and Salmonella spp. were confirmed by serology in the nursery and in all finishing units. Field infection of L. intracellularis occurred at the middle of the nursery phase. In total twenty-five batches of finishing pigs were included in the study, pigs were investigated for four (non-vaccinated group, n = 9) or six months (vaccinated group, n = 16). The primary outcome parameter was Salmonella serology (antibody titers) at the end of fattening. Secondary parameters comprised serology for L. intracellularis and performance parameters, including average daily weight gain (g), duration of fattening period (days), feed conversion (kg/kg) and mortality (%). A total of 709 blood samples were assessed, deriving from vaccinated (n = 439) and non-vaccinated finishing pigs (n = 270). Evaluation of the antibody titers demonstrated that vaccination significantly reduced the Salmonella seroprevalence in the finishing pigs on all four farms. The average OD% values were reduced from 32.7% to 13.4% in addition to a reduced variability in the vaccinated pigs compared to the control group. The Salmonella category of all finishing farms improved by at least one category in accordance with the German Salmonella monitoring program. In addition, vaccination had a positive tendency on the average daily weight gain, fattening duration and reduced mortality. In conclusion, this study demonstrates that vaccination with Enterisol® Ileitis has a positive and direct impact on reduction of Salmonella infection in co-infected herds.
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Affiliation(s)
- J. Meschede
- Vivet Schweinegesundheit GmbH, Kahrweg 33, 59590 Geseke, Germany
| | - S. Holtrup
- Boehringer Ingelheim Vetmedica GmbH, Binger Str. 173, 55216 Ingelheim, Germany
| | - R. Deitmer
- Boehringer Ingelheim Vetmedica GmbH, Binger Str. 173, 55216 Ingelheim, Germany
| | - A.P. Mesu
- Boehringer Ingelheim Vetmedica GmbH, Binger Str. 173, 55216 Ingelheim, Germany
| | - C. Kraft
- Boehringer Ingelheim Veterinary Research Center GmbH & Co. KG, Bemeroder Str. 31, 30559 Hannover, Germany
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Lyness A, Kraft C, Hashimdeen S, Rafiq Q. Comparison of rigid polymer vials and flexible bags for cryopreservation of T cells. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.301] [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: 10/24/2022]
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Kraft C, Gehrmann M, Cicarelli J, Lyness A. Containment considerations for the cryopreservation of cell and gene therapies. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.302] [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: 11/29/2022]
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Sliva MG, Sanders JK, Arendsen M, Baars A, Bhandari S, Boerma B, Broge J, Bueno M, Cherix G, Gates G, Hollembaek J, Kaufman M, Kraft C, Oerl L, Santos A, Schuep W, Wehrmann J. Vitamin D in Infant Formula and Enteral Products by Liquid Chromatography: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/79.1.73] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Results from a collaborative study of a new liquid chromatographic (LC) method for determination ofvitamin D in infant formulas and enteral products are presented. Each of 15 laboratories was provided with 11 blind duplicate samples covering a range ofapproximately 200-500 International Units/quart (normal dilution), a system suitability sample, and the U.S. Pharmacopeia ergo- and cholecalciferol standards. Product types included liquid and powder forms of milk (whey and casein), soy, and hydrolyzed protein-based infant formulas and enteral products. The method includes a single liquid-liquid extraction following saponification, solid-phase extraction,and then concentration by evaporation. An isocratic, nonaqueous, chromatographic system with reversed-phase, zero end- capped C18 column, and UV detector set at 265 nm are used. Statistical evaluation ofdata from participating laboratories showthe average reproducibility and repeatability of the method across all samples to be excellent, with RSDR and RSDr values of 13.48 and 9.44, respectively, after elimination of out liers. The LC method for determination of vitamin D in infant formulas and enteral products has been adopted by AOAC INTERNATIONAL.
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Affiliation(s)
- Matthew G Sliva
- Bristol-Myers Squibb, 2400 W Lloyd Expressway, Evansville, IN 47721
| | - James K Sanders
- Bristol-Myers Squibb, 2400 W Lloyd Expressway, Evansville, IN 47721
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Ciupek A, Kraft C, King J. MA22.01 Lung Cancer Patients’ Unique Values and Preferences Lead to Clinical Trial Preferences. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.682] [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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Jordan SW, Drake A, Schulz S, Kraft C, Hehr J, Hodson T, Pino M, Skoracki RJ, Chao AH. A novel approach to maximizing data fidelity in clinical microsurgery research. Microsurgery 2018; 39:282-283. [PMID: 30566747 DOI: 10.1002/micr.30415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 11/26/2018] [Accepted: 12/04/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Sumanas W Jordan
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Amy Drake
- Office of Research, Ohio State University, College of Medicine, Columbus, Ohio
| | - Steven Schulz
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Casey Kraft
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Jason Hehr
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Trevor Hodson
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Megan Pino
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Roman J Skoracki
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
| | - Albert H Chao
- Department of Plastic Surgery, Ohio State University, Columbus, Ohio
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Pott A, Kraft C, Baumhardt M, Petscher K, Rottbauer W, Dahme T. P445 Incidence of pulmonary vein conduction recovery after a 2-minute cryoballoon freeze for pulmonary vein isolation. Europace 2018. [DOI: 10.1093/europace/euy015.254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- A Pott
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
| | - C Kraft
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
| | - M Baumhardt
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
| | - K Petscher
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
| | - W Rottbauer
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
| | - T Dahme
- Ulm University Medical Center, Department of Medicine II, Ulm, Germany
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Moyer JS, Rudy S, Boonstra PS, Kraft C, Chinn SB, Baker SR, Schwartz JL, Bichakjian CK, Fullen D, Durham AB, Lowe L, Johnson TM. Efficacy of Staged Excision With Permanent Section Margin Control for Cutaneous Head and Neck Melanoma. JAMA Dermatol 2017; 153:282-288. [PMID: 28002553 DOI: 10.1001/jamadermatol.2016.4603] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Melanoma arising in chronically photodamaged skin, especially on the head and neck, is often characterized by poorly defined clinical margins and unpredictable occult extension. Staged excision techniques have been described to treat these challenging melanomas. Objective To investigate the local recurrence rates and margin to clearance end points using staged excision with comprehensive hematoxylin-eosin-stained permanent section margin control. Design, Setting, and Participants In this observational cohort study performed from October 8, 1997, to December 31, 2006, with a median follow-up of 9.3 years, 806 patients with melanoma on the head and neck, where clinical occult extension is common, were studied at an academic medical center. Interventions Staged excision with comprehensive hematoxylin-eosin-stained permanent section margin control commonly known as the square technique. Main Outcomes and Measures Local recurrence rates and margin to clearance end points. Results A total of 806 patients (276 women [34.2%]; 805 white [99.9%]) with a median age at the time of first staged excision procedure of 65 years (range, 20-94 years) participated in the study. The estimated local recurrence rates were 1.4% at 5 years, 1.8% at 7.5 years, and 2.2% at 10 years. For each 50-mm2 increase in the size of the clinical lesion, there was a 9% increase in the rate of local recurrence (hazard ratio, 1.09; 95% CI, 1.02-1.15; P = .02). The mean (SD) margin from lesion to clearance for melanoma in situ was 9.3 (5.1) mm compared with 13.7 (5.9) mm for invasive melanoma. For melanoma in situ, margins were clear after 5 mm or less in 232 excisions (41.1%) and after 10 mm or less in 420 excisions (74.5%). For invasive melanoma, margins were clear after 5 mm or less in 8 excisions (3.0%) and after 10 mm or less in 141 excisions (52.2%). Conclusions and Relevance Staged excision with comprehensive permanent section margin control of melanomas arising in chronically sun-damaged skin on the head and neck has favorable recurrence rates when melanoma margins are difficult to assess, and recurrence rates are high with traditional techniques.
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Affiliation(s)
- Jeffrey S Moyer
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor
| | - Shannon Rudy
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor
| | - Philip S Boonstra
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor
| | - Casey Kraft
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor
| | - Steven B Chinn
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor
| | - Shan R Baker
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor
| | | | | | - Douglas Fullen
- Department of Dermatology, University of Michigan Medical School, Ann Arbor4Department of Pathology, University of Michigan Medical School, Ann Arbor
| | - Alison B Durham
- Department of Dermatology, University of Michigan Medical School, Ann Arbor
| | - Lori Lowe
- Department of Dermatology, University of Michigan Medical School, Ann Arbor4Department of Pathology, University of Michigan Medical School, Ann Arbor
| | - Timothy M Johnson
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, Ann Arbor3Department of Dermatology, University of Michigan Medical School, Ann Arbor5Division of Plastic Surgery, Department of Surgery, University of Michigan Medical School, Ann Arbor
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Dahme T, Kraft C, Stephan T, Baumhardt M, Petscher K, Rottbauer W, Pott A. P356Time-to-isolation guided dosing leads to reduced procedure duration and fluoroscopy time with comparable one-year-clinical-outcome in cryoballoon pulmonary vein isolation. Europace 2017. [DOI: 10.1093/ehjci/eux141.082] [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: 11/13/2022] Open
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Druschel C, Heck K, Kraft C, Placzek R. [Modified PemberSal osteotomy technique with lyophilized human allograft]. Oper Orthop Traumatol 2016; 28:472-488. [PMID: 27628762 DOI: 10.1007/s00064-016-0468-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 03/29/2016] [Accepted: 04/07/2016] [Indexed: 11/25/2022]
Abstract
OBJECTIVE PemberSal osteotomy to improve femoral head coverage by rotating the acetabular roof ventrally and laterally. INDICATIONS Insufficient coverage of the femoral head, and can be combined with other surgical procedures such as femoral intertrochanteric varus-derotation osteotomy and open reduction for developmental dysplasia and dislocation of the hip or to improve sphericity and containment in Legg-Calvé-Perthes disease. This specific acetabuloplasty can only be performed in patients with an open epiphyseal growth-plate. CONTRAINDICATIONS Increased bleeding tendency (e.g., inherited or iatrogenic); elevated anesthetic risk such as in cerebral palsy, arthrogryposis multiplex congenital, trisomies; syndromes require explicit interdisciplinary clarification to reduce perioperative risks; infections as in other elective surgeries; diseases/deformities making postoperative spica casting impossible or impractical (e.g., deformities of spinal cord or urogenital system, hernias requiring treatment); closed epiphyseal plate requires complex three-dimensional corrections of the acetabular roof (e.g., triple/periacetabular osteotomy). SURGICAL TECHNIQUE Osteotomy from the iliac bone to the posterior ilioischial arm of the epiphyseal growth-plate cartilage; controlled fracture of the cancellous bone without breaking the medial cortex of the iliac bone for ventrocaudal rotation of the acetabular roof. To refill and stabilize the osteotomy site, an allogenic bone-wedge is interponated and secured by a resorbable screw or kirschner wire. This method also allows more complex reconstructions of the acetabular roof, e.g., by including the pseudo-cup in a modified Rejholec technique. POSTOPERATIVE MANAGEMENT A spica cast is applied to immobilize the hip for 6 weeks. Afterwards physiotherapy can be performed under weight-bearing as tolerated. Radiographic check-ups every 6 months.
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Affiliation(s)
- C Druschel
- Centrum für Muskuloskeletale Chirurgie, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland
| | - K Heck
- Schwerpunkt Kinder- und Neuroorthopädie Klinik und Poliklinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Deutschland
| | - C Kraft
- Klinik für Orthopädie, Unfall- und Handchirurgie, Helios Klinikum Krefeld, Krefeld, Deutschland
| | - R Placzek
- Schwerpunkt Kinder- und Neuroorthopädie Klinik und Poliklinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Deutschland.
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Zoufaly A, Kraft C, Schmidbauer C, Puchhammer-Stoeckl E. Prevalence of integrase inhibitor resistance mutations in Austrian patients recently diagnosed with HIV from 2008 to 2013. Infection 2016; 45:165-170. [PMID: 27530391 DOI: 10.1007/s15010-016-0936-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [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: 03/12/2016] [Accepted: 08/02/2016] [Indexed: 01/08/2023]
Abstract
PURPOSE Treatment guidelines often do not advocate testing for integrase inhibitor resistance associated mutations (IRAM) before initiation of first line ART given the extremely low prevalence of mutations found in older surveillance studies. We aimed to describe the prevalence of IRAM in Austrian patients recently diagnosed with HIV in the 5 years following introduction of integrase inhibitors and to analyse trends and factors associated with their detection. METHODS Samples of antiretroviral treatment (ART) naïve patients recently diagnosed with HIV in Austria between 2008 and 2013 were analysed for the existence of IRAM and drug penalty scores were calculated to estimate response to drugs. Demographic and virological data were extracted from a database. Descriptive and comparative statistics were used. RESULTS A total of 303 samples were analysed. 78 % were male and mean age was 38 years. Overall prevalence of IRAM was 2.3 %. Six percent had at least potentially low-level resistance to raltegravir or elvitegravir, versus 1 % for dolutegravir. One primary mutation was observed (F121Y) in a patient sample from 2012 leading to 5-10-fold reduced susceptibility to raltegravir and elvitegravir. Two patients carried the accessory mutations E138K and G140A, respectively, where both lie on the Q148 pathway. No temporal trend of IRAM prevalence was observed (p = 0.16). DISCUSSION Primary IRAM are still rarely found despite the increasing use of INSTI in Austria, but there is a potential for reduced susceptibility to these drugs in selected patients. Routine resistance testing seems prudent to avoid the consequences including accumulation of further mutations and therapeutic failure.
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Affiliation(s)
- A Zoufaly
- Department of Medicine IV, Kaiser Franz Josef Hospital, Kundratstrasse 3, 1100, Vienna, Austria.
| | - C Kraft
- Department of Medicine IV, Kaiser Franz Josef Hospital, Kundratstrasse 3, 1100, Vienna, Austria
| | - C Schmidbauer
- Department of Medicine IV, Kaiser Franz Josef Hospital, Kundratstrasse 3, 1100, Vienna, Austria
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Bilski J, Jacob D, Soumaila F, Kraft C, Farnsworth A. Agronomic biofortification of cereal crop plants with Fe, Zn, and Se, by the utilization of coal fly ash as plant growth media. Adv Biores 2012; 3:130-136. [PMID: 30288015 PMCID: PMC6168202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The implementation of agronomic biofortification of cereal crops with Fe, Zn, and Se appears to be a rapid and simple solution to the deficiency of these elements in soils and plants. These deficiencies are a reason for serious public health concerns. Low levels of Fe, Zn, and Se are important soil constraints to crop production, especially in the developing world. In our study we planted six cereal crops on soil control and different coal combustion residues, naturally rich in these micronutrients. Plants were harvested and chemically analyzed for Fe, Zn, and Se concentration using ICP. Six plant species have been tested including barley (Hordeum vulgare), Jerry oats (Avena sativa), rye (Secale cereale), wheat (Triticum aestivum), perennial ryegrass (Lolium multiflorum), and ReGreen (wheat x wheatgrass hybrid (Triticum aestivum x Thinopyrum intermedium). All tested plants were able to establish growth on coal ash based growth media, and accumulated significant amounts of Fe, Zn, and Se. It supported our hypothesis, that phytoremediation of coal ash piles may serve also as agronomic biofortification of plants, especially cereal crops cultivated on coal fly ash (FA).
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Affiliation(s)
- J Bilski
- Valley City State University, 101 College Street. Valley City, ND 58072
| | - D. Jacob
- Valley City State University, 101 College Street. Valley City, ND 58072
| | - F. Soumaila
- Valley City State University, 101 College Street. Valley City, ND 58072
| | - C. Kraft
- Valley City State University, 101 College Street. Valley City, ND 58072
| | - A. Farnsworth
- Valley City State University, 101 College Street. Valley City, ND 58072
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Winzer A, Kraft C, Bhushan S, Stepanenko V, Tessmer I. Correcting for AFM tip induced topography convolutions in protein–DNA samples. Ultramicroscopy 2012; 121:8-15. [DOI: 10.1016/j.ultramic.2012.07.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Revised: 05/29/2012] [Accepted: 07/04/2012] [Indexed: 11/26/2022]
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Basu D, Kraft C, Campbell P, Murphy M, Yu T, Hraber P, Chomba E, Mulenga J, Kilembe W, Allen S, Derdeyn C, Hunter E. Intrasubtype C superinfected individuals mount delayed and low-titer autologous neutralizing antibody responses prior to superinfection. Retrovirology 2012. [PMCID: PMC3441906 DOI: 10.1186/1742-4690-9-s2-p159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Creary X, Hinckley J, Kraft C, Genereux M. Photochemical Behavior of Cyclopropyl-Substituted Benzophenones and Valerophenones. J Org Chem 2011; 76:2062-71. [DOI: 10.1021/jo102309w] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xavier Creary
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Jenifer Hinckley
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Casey Kraft
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Madeleine Genereux
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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Jenett-Siems K, Koehler I, Kraft C, Beyer G, Melzig MF, Eich E. ChemInform Abstract: Cytotoxic Constituents from Exostema mexicanum and Artemisia afra, Two Traditionally Used Plant Remedies. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/chin.200236179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Manigart O, Kraft C, Makombe N, Kimenyi P, Flandin J, Karita E, Boeras D, Allen S, Hunter E. P20-14. Co- and superinfection of partners in a cohort of couples previously infected by genotypically different viruses in Kigali. Retrovirology 2009. [PMCID: PMC2767897 DOI: 10.1186/1742-4690-6-s3-p384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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21
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Kraft C. [From dream vacation to trauma. "Again and again images of the events"]. MMW Fortschr Med 2005; 147:13. [PMID: 15704563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
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Abstract
Despite new approaches in biochemical testing, radiologic and nuclear medicine and advances in surgical techniques, the problem of diagnosis and therapy of acute and chronic osteitis has not been finally solved. Clinical research on osteitis is problematic as there are many variables influencing the inflammatory process and a wide spectrum in therapeutic options exists, hampering research under defined conditions. Consequently, there was an early need for animal models. In vivo experimental settings were established to gain reproducible and reliable results under standardized conditions on the pathogenesis and therapy of osteitis. In this article, an overview of the hitherto established experimental animal models and the results of osteitis research on these models is given.
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Affiliation(s)
- T Kälicke
- BG-Kliniken Bergmannsheil-Chirurgische Klinik und Poliklinik-Universitätsklinik Bochum.
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Jenett-Siems K, Köhler I, Kraft C, Beyer G, Melzig MF, Eich E. Cytotoxic constituents from Exostema mexicanum and Artemisia afra, two traditionally used plant remedies. Pharmazie 2002; 57:351-2. [PMID: 12061265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
- K Jenett-Siems
- Institut für Pharmazie (Pharmazeutische Biologie), Freie Universität Berlin, Germany.
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Gassel F, Wagner UA, Kraft C, Conrads P, Schmitt O. [Histopathological investigations in soft tissue surrounding metallic orthopaedic implants by extravasated eosinophil leukocytes]. Z Orthop Ihre Grenzgeb 2002; 140:90-4. [PMID: 11898071 DOI: 10.1055/s-2002-22097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
INTRODUCTION The amount of extravasated eosinophil leukocytes in soft tissue surrounding a metallic orthopaedic implant indirectly allows conclusions about the allergenicity of the implant. As yet the implications of the distance of the biopsy from the implant have not been studied. METHODS In a prospective study we histocytologically evaluated soft tissue biopsies gained during routine removal of orthopaedic implant material in 81 patients. By means of a quantitative and semiquantitative method, material directly adjacent to and 1 cm distant from the implant was examined for eosinophil leukocytes. RESULTS In respect to the number of eosinophil granulocytes, the two groups showed no significant discrepancies (p = 0.55). lnterestingly, correlation analysis revealed a significant difference in the number of eosinophiles between implant-adjacent and -distant tissue in some individuals. Consecutive semiquantitative analysis could show that there was no correlation concerning the number of eosinophiles between results gained at 1 cm distance from the implant and material in the direct vicinity of the biomaterial. CONCLUSION Our results suggest that when utilising a histocytological method to determine metal sensitivity of a biomaterial on surrounding soft tissue, not only material directly adjacent to the implant but also at a distance of approximately 1 cm should be evaluated.
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Affiliation(s)
- F Gassel
- Klinik und Poliklinik für Orthopädie der Universität Bonn, Germany
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Falush D, Kraft C, Taylor NS, Correa P, Fox JG, Achtman M, Suerbaum S. Recombination and mutation during long-term gastric colonization by Helicobacter pylori: estimates of clock rates, recombination size, and minimal age. Proc Natl Acad Sci U S A 2001; 98:15056-61. [PMID: 11742075 PMCID: PMC64982 DOI: 10.1073/pnas.251396098] [Citation(s) in RCA: 299] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The bacterium Helicobacter pylori colonizes the gastric mucosa of half of the human population, resulting in chronic gastritis, ulcers, and cancer. We sequenced ten gene fragments from pairs of strains isolated sequentially at a mean interval of 1.8 years from 26 individuals. Several isolates had acquired small mosaic segments from other H. pylori or point mutations. The maximal mutation rate, the import size, and the frequency of recombination were calculated by using a Bayesian model. The calculations indicate that the last common ancestor of H. pylori existed at least 2,500-11,000 years ago. Imported mosaics have a median size of 417 bp, much smaller than for other bacteria, and recombination occurs frequently (60 imports spanning 25,000 bp per genome per year). Thus, the panmictic population structure of H. pylori results from very frequent recombination during mixed colonization by unrelated strains.
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Affiliation(s)
- D Falush
- Max-Planck Institut für Infektionsbiologie, Schumannstrasse 21/22, 10117 Berlin, Germany
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26
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Kraft C, Jenett-Siems K, Siems K, Solis PN, Gupta MP, Bienzle U, Eich E. Andinermals A-C, antiplasmodial constituents from Andira inermis. Phytochemistry 2001; 58:769-774. [PMID: 11672743 DOI: 10.1016/s0031-9422(01)00295-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Bioassay-guided fractionation of the leaves from Andira inermis was undertaken as part of a screening program to verify the traditional use of herbal remedies against malaria. Among the isolated phenolic compounds three novel 2-arylbenzofuran-3-carbaldehydes, andinermal A-C, were obtained together with a new flavanonol glycoside, taxifolin-3-O-(3"-O-trans-cinnamoyl)-alpha-L-rhamnopyranoside.
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Affiliation(s)
- C Kraft
- Institut für Pharmazie (Pharmazeutische Biologie), Freie Universität Berlin, Königin-Luise-Str. 2-4, D-14195, Berlin, Germany
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Mätz-Rensing K, Kunz E, Kraft C, Lorenzen D, Suerbaum S, Kaup FJ. Experimental Helicobacter pylori infection of rhesus macaques (Macaca mulatta). Int J Med Microbiol 2001; 291:33-43. [PMID: 11403410 DOI: 10.1078/1438-4221-00117] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The aim of the present study was to establish an animal model for Helicobacter pylori (H. pylori) infection at the German Primate Centre in rhesus monkeys (Macaca mulatta). During the experiments the susceptibility of three animals to different H. pylori strains of human origin was tested. In a follow-up study gastric biopsies from three different sites were investigated in regular intervals using microbiological, histological, electron microscopical and molecular biological methods to evaluate the presence of bacterial colonization and the occurrence of gastritis. It was possible to establish a persistent experimental infection. The rather long follow-up period of 18 months offered the possibility to demonstrate a permanent H. pylori infection in the gastric mucosa of the test animals. The three animals have now been successfully colonized with H. pylori for 18 months and presented a chronic active gastritis confirmed by microbiological and histological methods. By molecular typing, the identity of the isolates recovered from the animals was shown. It was possible to demonstrate that one infection strain outcompeted the second one. Taken together, prerequisites exist for making use of an attractive and useful animal model in rhesus monkeys especially for long term observations.
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Affiliation(s)
- K Mätz-Rensing
- Department of Veterinary Medicine and Primate Husbandry, German Primate Centre, Göttingen, Germany.
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Venter JC, Adams MD, Myers EW, Li PW, Mural RJ, Sutton GG, Smith HO, Yandell M, Evans CA, Holt RA, Gocayne JD, Amanatides P, Ballew RM, Huson DH, Wortman JR, Zhang Q, Kodira CD, Zheng XH, Chen L, Skupski M, Subramanian G, Thomas PD, Zhang J, Gabor Miklos GL, Nelson C, Broder S, Clark AG, Nadeau J, McKusick VA, Zinder N, Levine AJ, Roberts RJ, Simon M, Slayman C, Hunkapiller M, Bolanos R, Delcher A, Dew I, Fasulo D, Flanigan M, Florea L, Halpern A, Hannenhalli S, Kravitz S, Levy S, Mobarry C, Reinert K, Remington K, Abu-Threideh J, Beasley E, Biddick K, Bonazzi V, Brandon R, Cargill M, Chandramouliswaran I, Charlab R, Chaturvedi K, Deng Z, Di Francesco V, Dunn P, Eilbeck K, Evangelista C, Gabrielian AE, Gan W, Ge W, Gong F, Gu Z, Guan P, Heiman TJ, Higgins ME, Ji RR, Ke Z, Ketchum KA, Lai Z, Lei Y, Li Z, Li J, Liang Y, Lin X, Lu F, Merkulov GV, Milshina N, Moore HM, Naik AK, Narayan VA, Neelam B, Nusskern D, Rusch DB, Salzberg S, Shao W, Shue B, Sun J, Wang Z, Wang A, Wang X, Wang J, Wei M, Wides R, Xiao C, Yan C, Yao A, Ye J, Zhan M, Zhang W, Zhang H, Zhao Q, Zheng L, Zhong F, Zhong W, Zhu S, Zhao S, Gilbert D, Baumhueter S, Spier G, Carter C, Cravchik A, Woodage T, Ali F, An H, Awe A, Baldwin D, Baden H, Barnstead M, Barrow I, Beeson K, Busam D, Carver A, Center A, Cheng ML, Curry L, Danaher S, Davenport L, Desilets R, Dietz S, Dodson K, Doup L, Ferriera S, Garg N, Gluecksmann A, Hart B, Haynes J, Haynes C, Heiner C, Hladun S, Hostin D, Houck J, Howland T, Ibegwam C, Johnson J, Kalush F, Kline L, Koduru S, Love A, Mann F, May D, McCawley S, McIntosh T, McMullen I, Moy M, Moy L, Murphy B, Nelson K, Pfannkoch C, Pratts E, Puri V, Qureshi H, Reardon M, Rodriguez R, Rogers YH, Romblad D, Ruhfel B, Scott R, Sitter C, Smallwood M, Stewart E, Strong R, Suh E, Thomas R, Tint NN, Tse S, Vech C, Wang G, Wetter J, Williams S, Williams M, Windsor S, Winn-Deen E, Wolfe K, Zaveri J, Zaveri K, Abril JF, Guigó R, Campbell MJ, Sjolander KV, Karlak B, Kejariwal A, Mi H, Lazareva B, Hatton T, Narechania A, Diemer K, Muruganujan A, Guo N, Sato S, Bafna V, Istrail S, Lippert R, Schwartz R, Walenz B, Yooseph S, Allen D, Basu A, Baxendale J, Blick L, Caminha M, Carnes-Stine J, Caulk P, Chiang YH, Coyne M, Dahlke C, Deslattes Mays A, Dombroski M, Donnelly M, Ely D, Esparham S, Fosler C, Gire H, Glanowski S, Glasser K, Glodek A, Gorokhov M, Graham K, Gropman B, Harris M, Heil J, Henderson S, Hoover J, Jennings D, Jordan C, Jordan J, Kasha J, Kagan L, Kraft C, Levitsky A, Lewis M, Liu X, Lopez J, Ma D, Majoros W, McDaniel J, Murphy S, Newman M, Nguyen T, Nguyen N, Nodell M, Pan S, Peck J, Peterson M, Rowe W, Sanders R, Scott J, Simpson M, Smith T, Sprague A, Stockwell T, Turner R, Venter E, Wang M, Wen M, Wu D, Wu M, Xia A, Zandieh A, Zhu X. The sequence of the human genome. Science 2001; 291:1304-51. [PMID: 11181995 DOI: 10.1126/science.1058040] [Citation(s) in RCA: 7678] [Impact Index Per Article: 333.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A 2.91-billion base pair (bp) consensus sequence of the euchromatic portion of the human genome was generated by the whole-genome shotgun sequencing method. The 14.8-billion bp DNA sequence was generated over 9 months from 27,271,853 high-quality sequence reads (5.11-fold coverage of the genome) from both ends of plasmid clones made from the DNA of five individuals. Two assembly strategies-a whole-genome assembly and a regional chromosome assembly-were used, each combining sequence data from Celera and the publicly funded genome effort. The public data were shredded into 550-bp segments to create a 2.9-fold coverage of those genome regions that had been sequenced, without including biases inherent in the cloning and assembly procedure used by the publicly funded group. This brought the effective coverage in the assemblies to eightfold, reducing the number and size of gaps in the final assembly over what would be obtained with 5.11-fold coverage. The two assembly strategies yielded very similar results that largely agree with independent mapping data. The assemblies effectively cover the euchromatic regions of the human chromosomes. More than 90% of the genome is in scaffold assemblies of 100,000 bp or more, and 25% of the genome is in scaffolds of 10 million bp or larger. Analysis of the genome sequence revealed 26,588 protein-encoding transcripts for which there was strong corroborating evidence and an additional approximately 12,000 computationally derived genes with mouse matches or other weak supporting evidence. Although gene-dense clusters are obvious, almost half the genes are dispersed in low G+C sequence separated by large tracts of apparently noncoding sequence. Only 1.1% of the genome is spanned by exons, whereas 24% is in introns, with 75% of the genome being intergenic DNA. Duplications of segmental blocks, ranging in size up to chromosomal lengths, are abundant throughout the genome and reveal a complex evolutionary history. Comparative genomic analysis indicates vertebrate expansions of genes associated with neuronal function, with tissue-specific developmental regulation, and with the hemostasis and immune systems. DNA sequence comparisons between the consensus sequence and publicly funded genome data provided locations of 2.1 million single-nucleotide polymorphisms (SNPs). A random pair of human haploid genomes differed at a rate of 1 bp per 1250 on average, but there was marked heterogeneity in the level of polymorphism across the genome. Less than 1% of all SNPs resulted in variation in proteins, but the task of determining which SNPs have functional consequences remains an open challenge.
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Affiliation(s)
- J C Venter
- Celera Genomics, 45 West Gude Drive, Rockville, MD 20850, USA.
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Ehler D, Carney DK, Dempsey AL, Rigling R, Kraft C, Witt SA, Kimball TR, Sisk EJ, Geiser EA, Gresser CD, Waggoner A. Guidelines for cardiac sonographer education: recommendations of the American Society of Echocardiography Sonographer Training and Education Committee. J Am Soc Echocardiogr 2001; 14:77-84. [PMID: 11174441 DOI: 10.1067/mje.2001.109922] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In 1992, the American Society of Echocardiography published a report of the Sonographer Education and Training Committee's recommendations for education of sonographers who perform echocardiographic procedures. Since the publication of the original document, there has been continual progress in technology with the development of more sophisticated diagnostic applications that allow more information to be obtained from echocardiographic procedures. These recent changes in the clinical application of echocardiography should be included in all cardiac sonographer education programs. The American Society of Echocardiography, a professional society that currently represents approximately 2500 cardiac sonographers, provides these updated guidelines.
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Affiliation(s)
- D Ehler
- American Society of Echocardiography Sonographer Training and Education Committee, Kansas City, Missouri, USA
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Werle B, Kraft C, Lah TT, Kos J, Schanzenbächer U, Kayser K, Ebert W, Spiess E. Cathepsin B in infiltrated lymph nodes is of prognostic significance for patients with nonsmall cell lung carcinoma. Cancer 2000; 89:2282-91. [PMID: 11147599] [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: 02/18/2023]
Abstract
BACKGROUND Tumor cells require specific proteolytic enzymes for invasion and metastasis, including lysosomal peptidases--cathepsins. Cathepsin B is a lysosomal cysteine peptidase, which appears to play a major role in invasion and metastasis of human tumors. In this study, the authors focused on the possible role of cathepsin B in lymphogenic metastasis by investigating the enzyme localization and its activity in lung tumors and corresponding tumor-infiltrated lymph nodes. METHODS Cathepsin B activity was determined in lung tumors, lung parenchyma, and tumor cell-infiltrated and noninfiltrated regional lymph nodes of the same patient. The authors investigated 35 cancer patients suffering from nonsmall cell lung carcinoma. Cathepsin B throughout activity was measured by cleavage of the fluorogenic substrate Z-Arg-Arg-AMC at pH 6.0. RESULTS The median specific cathepsin B activity was highest in tumors, followed by the infiltrated lymph nodes, noninfiltrated lymph nodes, and lung parenchyma. The authors showed a significant 1.8-fold increase in cathepsin B activity in tumor-infiltrated lymph nodes compared with noninfiltrated regional lymph nodes and a 4.5-fold increase in lung tumor tissue compared with lung parenchyma. High cathepsin B activity, both in tumors and tumor cell-infiltrated lymph nodes, indicated poor prognosis for overall survival. Immunohistochemical analysis showed the presence of cathepsin B in histiocytes and tumor cells but not in lymphocytes of lymph node tissue. CONCLUSIONS The authors' findings on higher cathepsin B levels in tumor cell-infiltrated lymph nodes show that increased level of cathepsin B activity is characteristic of the invasive tumor cell phenotype. This corroborates the hypothesis, that tumor cell associated cathepsin B may play a role in lymphogenic metastasis. The authors' results support the use of lymph node associated cathepsin B as a prognostic factor for survival of patients with lung carcinoma.
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Affiliation(s)
- B Werle
- Thoraxklinik Heidelberg gGmbH, Department of Clinical Chemistry and Bacteriology, Germany
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Abstract
The stem bark and seeds of Andira inermis, Fabaceae, are employed as a purgative, vermifuge, and febrifuge. In particular, the powdered bark is claimed to be efficacious in intermittent fever. Bioassay-guided fractionation of lipophilic extracts from the stems and leaves yielded six isoflavones: biochanin A, calycosin, formononetin, genistein, pratensein, and prunetin. Calycosin (3', 7-dihydroxy-4'-methoxyisoflavone) and genistein (4',5, 7-trihydroxyisoflavone) have been shown to possess in vitro activity against the chloroquine-sensitive strain poW and the chloroquine-resistant clone Dd2 of Plasmodium falciparum.
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Affiliation(s)
- C Kraft
- Institut für Pharmazie (Pharmazeutische Biologie), Freie Universität Berlin, Königin-Luise Str. 2-4, D-14195, Berlin, Germany
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Allen J, Allen R, Kraft C, Russell B. A new household plan for getting the most out of life. J Mich Dent Assoc 2000; 82:38-42. [PMID: 11323910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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Abstract
CONTEXT Laboratory quality indicator data, most often presented and reported as a percentage of variance, may be misleading, inasmuch as variances, and therefore percentages, appear to be low. METHOD Current data from laboratory quality indicators and national data derived from several years of College of American Pathologists Q-Probes studies were normalized to parts-per-million defects, as commonly practiced in the manufacturing and service industries for benchmarking performance. RESULTS Laboratory data in parts-per-million defects demonstrated opportunities for significant improvements in laboratory performance across the total testing process. CONCLUSIONS Historical quality assurance programs do not appear to be significantly improving the total testing process. Manufacturing and service industries are using quality systems strategies, such as ISO 9000 and the Baldridge Award Criteria, to effect improvements in both productivity and cost. Quality system solutions for performance improvement may provide a systematic approach to improving laboratory performance.
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Affiliation(s)
- D Nevalainen
- Quality Systems Consultant, Gurnee, IL 60126-2532, USA
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Adams MD, Celniker SE, Holt RA, Evans CA, Gocayne JD, Amanatides PG, Scherer SE, Li PW, Hoskins RA, Galle RF, George RA, Lewis SE, Richards S, Ashburner M, Henderson SN, Sutton GG, Wortman JR, Yandell MD, Zhang Q, Chen LX, Brandon RC, Rogers YH, Blazej RG, Champe M, Pfeiffer BD, Wan KH, Doyle C, Baxter EG, Helt G, Nelson CR, Gabor GL, Abril JF, Agbayani A, An HJ, Andrews-Pfannkoch C, Baldwin D, Ballew RM, Basu A, Baxendale J, Bayraktaroglu L, Beasley EM, Beeson KY, Benos PV, Berman BP, Bhandari D, Bolshakov S, Borkova D, Botchan MR, Bouck J, Brokstein P, Brottier P, Burtis KC, Busam DA, Butler H, Cadieu E, Center A, Chandra I, Cherry JM, Cawley S, Dahlke C, Davenport LB, Davies P, de Pablos B, Delcher A, Deng Z, Mays AD, Dew I, Dietz SM, Dodson K, Doup LE, Downes M, Dugan-Rocha S, Dunkov BC, Dunn P, Durbin KJ, Evangelista CC, Ferraz C, Ferriera S, Fleischmann W, Fosler C, Gabrielian AE, Garg NS, Gelbart WM, Glasser K, Glodek A, Gong F, Gorrell JH, Gu Z, Guan P, Harris M, Harris NL, Harvey D, Heiman TJ, Hernandez JR, Houck J, Hostin D, Houston KA, Howland TJ, Wei MH, Ibegwam C, Jalali M, Kalush F, Karpen GH, Ke Z, Kennison JA, Ketchum KA, Kimmel BE, Kodira CD, Kraft C, Kravitz S, Kulp D, Lai Z, Lasko P, Lei Y, Levitsky AA, Li J, Li Z, Liang Y, Lin X, Liu X, Mattei B, McIntosh TC, McLeod MP, McPherson D, Merkulov G, Milshina NV, Mobarry C, Morris J, Moshrefi A, Mount SM, Moy M, Murphy B, Murphy L, Muzny DM, Nelson DL, Nelson DR, Nelson KA, Nixon K, Nusskern DR, Pacleb JM, Palazzolo M, Pittman GS, Pan S, Pollard J, Puri V, Reese MG, Reinert K, Remington K, Saunders RD, Scheeler F, Shen H, Shue BC, Sidén-Kiamos I, Simpson M, Skupski MP, Smith T, Spier E, Spradling AC, Stapleton M, Strong R, Sun E, Svirskas R, Tector C, Turner R, Venter E, Wang AH, Wang X, Wang ZY, Wassarman DA, Weinstock GM, Weissenbach J, Williams SM, Worley KC, Wu D, Yang S, Yao QA, Ye J, Yeh RF, Zaveri JS, Zhan M, Zhang G, Zhao Q, Zheng L, Zheng XH, Zhong FN, Zhong W, Zhou X, Zhu S, Zhu X, Smith HO, Gibbs RA, Myers EW, Rubin GM, Venter JC. The genome sequence of Drosophila melanogaster. Science 2000; 287:2185-95. [PMID: 10731132 DOI: 10.1126/science.287.5461.2185] [Citation(s) in RCA: 3976] [Impact Index Per Article: 165.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The fly Drosophila melanogaster is one of the most intensively studied organisms in biology and serves as a model system for the investigation of many developmental and cellular processes common to higher eukaryotes, including humans. We have determined the nucleotide sequence of nearly all of the approximately 120-megabase euchromatic portion of the Drosophila genome using a whole-genome shotgun sequencing strategy supported by extensive clone-based sequence and a high-quality bacterial artificial chromosome physical map. Efforts are under way to close the remaining gaps; however, the sequence is of sufficient accuracy and contiguity to be declared substantially complete and to support an initial analysis of genome structure and preliminary gene annotation and interpretation. The genome encodes approximately 13,600 genes, somewhat fewer than the smaller Caenorhabditis elegans genome, but with comparable functional diversity.
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Affiliation(s)
- M D Adams
- Celera Genomics, 45 West Gude Drive, Rockville, MD 20850, USA
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35
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Arens S, Kraft C, Schlegel U, Printzen G, Perren SM, Hansis M. Susceptibility to local infection in biological internal fixation. Experimental study of open vs minimally invasive plate osteosynthesis in rabbits. Arch Orthop Trauma Surg 1999; 119:82-5. [PMID: 10076952 DOI: 10.1007/s004020050361] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Resistance to local infection after fracture fixation with plate osteosynthesis may be influenced by the implantation technique. It is known that the extent of the surgical approach to the bone can compromise the local defence capacity. We have investigated susceptibility to infection after a local bacterial challenge in rabbit tibiae using either the open surgical approach for 'biological' internal fixation of standard 2.0 dynamic compression plates or the method of minimally invasive plate osteosynthesis (MIPO), a percutaneous, tunnelling insertion technique preserving the integrity of the overlying soft tissue. After the wounds had been closed, various concentrations of Staphylococcus aureus were injected in the direct vicinity of the implants. The infection rate for the open surgical technique was 38.5% and that for the MIPO technique, 25%. This difference is not statistically significant (P > 0.05) suggesting that resistance to local infection associated with the MIPO method is at least equivalent to the open approach for plate osteosynthesis.
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Affiliation(s)
- S Arens
- AO ASIF Research Institute, Davos, Switzerland.
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36
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Arens S, Kraft C, Schlegel U, Printzen G, Perren SM, Hansis M. [Does surgical approach have an effect on the development of local infection? Animal experiment comparison of conventional open vs. minimally invasive bone plate osteosynthesis (MIPO)]. Langenbecks Arch Chir Suppl Kongressbd 1998; 115:193-6. [PMID: 14518241] [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] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
With a standardised model we investigated the influence of two different surgical approaches to the rabbit tibia for plate osteosynthesis on resistance to local infection after postoperative inoculation of graduated concentrations of staphylococcus aureus at the implant. The infection rate for the minimally invasive plate osteosynthesis with insertion of the implant in closed, soft tissue tunneling technique was 25% (3/12 animals; ID50 = 6.2 x 10(6) CFU) and for the conventional open approach 38% (5/13 animals; ID50 = 2 x 10(6) CFU). This difference is statistically not significant (with P < 0.05).
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Affiliation(s)
- S Arens
- Klinik und Poliklinik für Unfallchirurgie, Universität Bonn
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37
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Kraft C, Hansis M, Menger MD, Sahl HG, Vollmar B. [Extent of bacterial contamination is a derminant fur microvascular damage in soft tissue infection]. Langenbecks Arch Chir Suppl Kongressbd 1998; 115:31-2. [PMID: 14518206] [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] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
With the use of intravital microscopy, we demonstrate that the extent of bacterial contamination is a determinant for the microvascular response and consecutively the microvascular injury. The model of bacterial soft tissue infection used, ideally allows to study the influence of foreign materials on microvascular immune response.
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Affiliation(s)
- C Kraft
- Klinik und Poliklinik für Unfallchirurgie, Universität zu Bonn, Bonn
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38
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Leotta DF, Munt B, Bolson EL, Kraft C, Martin RW, Otto CM, Sheehan FH. Quantitative three-dimensional echocardiography by rapid imaging from multiple transthoracic windows: in vitro validation and initial in vivo studies. J Am Soc Echocardiogr 1997; 10:830-9. [PMID: 9356948 DOI: 10.1016/s0894-7317(97)70043-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Three-dimensional echocardiography has demonstrated superiority over two-dimensional techniques in the determination of left ventricular mass and volumes. We describe a technique based on a magnetic tracking system which provides rapid three-dimensional image acquisition from multiple acoustic windows. Interactive three-dimensional border tracking and reconstruction with a piecewise smooth subdivision model accurately reproduced phantom volume (calculated volume = 1.00 true volume - 0.6 ml, r = 1.000, standard error of the estimate = 1.3 ml), in vitro heart volume (calculated volume = 1.02 true volume - 1.3 ml, r = 1.000, standard error of the estimate = 0.4 ml), in vitro heart mass (calculated mass = 0.98 true mass + 1.4 gm, r = 0.998, standard error of the estimate = 2.5 gm), and in vivo stroke volume (calculated stroke volume = 1.18 Doppler stroke volume - 17.9 ml, r = 0.990, standard error of the estimate = 2.8 ml). The three-dimensional in vivo data sets, which include views from three acoustic windows, were acquired in less than 90 seconds. We conclude that this method of three-dimensional echocardiographic data acquisition and analysis overcomes limitations inherent in currently available systems.
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Affiliation(s)
- D F Leotta
- Department of Medicine, University of Washington, Seattle 98195, USA
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39
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Burwash IG, Forbes AD, Sadahiro M, Verrier ED, Pearlman AS, Thomas R, Kraft C, Otto CM. Echocardiographic volume flow and stenosis severity measures with changing flow rate in aortic stenosis. Am J Physiol 1993; 265:H1734-43. [PMID: 8238587 DOI: 10.1152/ajpheart.1993.265.5.h1734] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The anatomy of degenerative valvular aortic stenosis has been poorly represented in animal models, limiting the evaluation of noninvasive echo-Doppler measures of transvalvular volume flow rate and stenosis severity during progressive disease evolution or under conditions of changing volume flow rates. To study these issues, chronic valvular aortic stenosis, characterized by stiff leaflets without commissural fusion, was created in nine adult mongrel dogs by suturing pericardial covered Teflon-felt pads into the sinuses of Valsalva below the coronary ostia during hypothermic cardiac arrest. In the eight surviving dogs, echo-Doppler examinations were performed weekly for up to 8 wk postoperatively. Simultaneous invasive micromanometer pressure data were collected at 2-wk intervals in all subjects, with simultaneous ascending aortic transit time-volume flow measurement in four subjects. Volume flow rates were altered with saline and dobutamine infusions during invasive studies for comparison of echo-Doppler and invasive pressure gradients, volume flow, and valve areas. Serial echo-Doppler follow-up (39 +/- 11 days) demonstrated that, from baseline to final study, mean transvalvular pressure gradient increased (4 +/- 1 to 38 +/- 7 mmHg, P = 0.001), continuity equation aortic valve area decreased (2.06 +/- 0.18 to 0.54 +/- 0.04 cm2, P < 0.0001), and progressive left ventricular hypertrophy developed (62 +/- 6 to 114 +/- 9 g, P = 0.0003). Echo-Doppler and invasive data correlated well for measures of transvalvular pressure gradients (n = 98, maximum instantaneous gradient r = 0.95, mean gradient r = 0.91), volume flow (n = 75, stroke volume r = 0.86, cardiac output r = 0.86), and valve area (n = 73, r = 0.73) despite acute alterations in volume flow and progressive disease evolution. This chronic canine model, with anatomy and hemodynamics similar to clinical degenerative valvular aortic stenosis, should provide a valuable tool for investigating clinically relevant new measures of stenosis severity with use of invasive or noninvasive techniques.
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Affiliation(s)
- I G Burwash
- Department of Medicine, University of Washington, Seattle 98195
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Stern RS, Albengres E, Carlson J, Chen D, Kreft C, Dai W, Joseph M, Tilson H, Wiholm BE, Kraft C. An international comparison of case definition of severe adverse cutaneous reactions to medicines. Drug Saf 1993; 8:69-77. [PMID: 8338525 DOI: 10.2165/00002018-199308010-00008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
There is substantial intercountry variation in the proportion of cases of toxic epidermal necrolysis (TEN) and Stevens-Johnson syndrome (SJS) which are attributed to specific drugs. This study was undertaken to determine whether these differences might reflect biases in diagnosis of these conditions. A total of 138 reactions in 5 countries originally diagnosed as TEN or SJS were coded on to standardised forms. A single observer blind to the original diagnosis assessed each case according to specified criteria. This observer's diagnoses were compared with the original diagnoses. Overall, 111 of the 138 cases had information adequate for assessment. The blinded observer agreed with the diagnosis for 61% of cases where the original diagnosis was TEN and 58% of cases where the original diagnosis was SJS. There was no significant difference in rates of agreement when reactions attributed to sulphonamide antibiotics were compared with reactions attributed to other drugs. There were substantial and significant differences in percentage agreement between the blinded observer's diagnosis and the original diagnoses between countries. The lowest rates of agreement between the blinded observer and the original reports occurred in the US. Our results illustrate the difficulty in comparing reaction rates based on spontaneous reports between countries where the systems for gathering such reports vary. This illustrates the need for a minimum quantity of standard data and precise definitions of reactions if spontaneous reports of adverse reactions are to provide useful information about severe adverse skin reactions associated with drugs.
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Affiliation(s)
- R S Stern
- Department of Dermatology, Beth Israel Hospital, Harvard Medical School, Boston, Massachusetts
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41
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42
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Barfield W, Kraft C, Bun LK. Eccentricity, contrast, and angular extent as factors in the perception of peripheral apparent motion. Percept Mot Skills 1990; 70:795-800. [PMID: 2377412 DOI: 10.2466/pms.1990.70.3.795] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two experiments were performed to investigate the perception of peripherally presented apparent motion as a function of eccentricity of the stimulus, ambient illumination, sex, stimulus pattern, and angular extent of stimulus presentation. The experimental task for both studies was to judge the direction of apparent motion for a stimulus target lighter than the background and presented on a Braumbach perimeter. The results from Exps. 1 and 2 indicated main effects for subjects and eccentricity. The combined results of Exps. 1 and 2 indicated main effects for eccentricity and angular separation of the apparent motion, however, the interaction between the two was not significant.
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Affiliation(s)
- W Barfield
- Industrial Engineering, University of Washington, Seattle 98195
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Abstract
This study investigated the perception of the direction of peripheral apparent motion as a function of stimulus location in the peripheral visual field, stimulus contrast, and the direction of the apparent motion. Results indicated that each of these independent variables was significant as a main effect while the interactions were not.
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Affiliation(s)
- W Barfield
- Industrial Engineering, University of Washington, Seattle 98195
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44
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Allen RF, Kraft C. Discovering your hospital's unconscious. Hosp Forum 1983; 26:11-6, 19. [PMID: 10257891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Allen RF, Kraft C. From burn-out to turn-on: improving the quality of hospital work life. Hosp Forum 1981; 24:18-20, 23-4, 27-8. [PMID: 10251006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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46
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Konermann G, Petersen KG, Slanina J, Blachnitzky EO, Kraft C. [Functional and histological findings of the islets of Langerhans in mice after fractioned telecobalt irradiations with tumor doses (author's transl)]. Strahlentherapie 1979; 155:856-63. [PMID: 390776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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47
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Lynch HT, Brodkey FD, Lynch P, Lynch J, Maloney K, Rankin L, Kraft C, Swartz M, Westercamp T, Guirgis HA. Familial risk and cancer control. JAMA 1976; 236:582-4. [PMID: 947240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An intensive study of the family history of cancer in 4,515 patients screened consecutively by a multiphasic mobile cancer detection unit showed, after age correction, that cancer had developed in 8.9% of the probands when there was one cancer in a single first-degree relative, 16.2% had cancer with two family members affected, and 27.4% had cancer when three or more family members had been affected. This constituted a significant correlation between family and personal histories of cancer in these patients. Extrapolation to the United States population with cancer-control implications are given.
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Abstract
Actual HL-A typing has been performed on 115 members of cancer family N, a large kindred (over 1000 members ascertained) showing the findings consistent with the cancer family syndrome. In the cancer-prone line (branches C and D) of the family, 20 of 21 members with cancer had one HL-A haplotype, HL-A2-HL-A12 (relative odds = 6.30), including some decreased family members who had haplotypes assigned. Eleven of 12 family members with cancer in branches C and D, actually typed, had HL-A2-HL-A12 (relative odds = 6.06). The single exception showing cancer and another haplotype in branch D is a child of a family member with haplotype HL-A2-HL-A12.
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50
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Lynch HT, Guirgis HA, Albert S, Brennan M, Lynch J, Kraft C, Pocekay D, Vaughns C, Kaplan A. Familial association of carcinoma of the breast and ovary. Surg Gynecol Obstet 1974; 138:717-24. [PMID: 4823374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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