9 results on '"Maslak S"'
Search Results
2. Erosion of the sella turcica and pituitary expansion secondary to polymicrobial brain abscesses: a case report.
- Author
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Ryu B, Khatri D, Zlochower A, Maslak S, and D'Amico RS
- Abstract
Introduction: Brain abscesses can lead to a diverse array of complications, especially when they are polymicrobial in nature. Multiple underlying pathogens may present with a unique set of clinical symptoms which require an early identification and treatment. Skull base osteomyelitis with sellar floor erosion and pituitary involvement with SIADH are such rare complications of brain abscesses which have never been reported previously in the literature., Case Presentation: We report the case of an immunocompetent 38-year-old male with altered mental sensorium and left hemiparesis due to polymicrobial brain abscess which required surgical evacuation. The post-operative recovery was complicated by severe hyponatremia secondary to SIADH which was treated uneventfully. Radiological imaging demonstrated pituitary enlargement with herniation through an eroded sella turcica without active CSF leak. Patient responded well to the antibiotic therapy based on microbiological susceptibility testing with a complete resolution of the pituitary enlargement on radiological follow-up., Conclusion: Conservative treatment with targeted antibiotics can lead to the resolution of pituitary enlargement secondary to a brain abscess. However, a close clinical follow-up is required to look for a CSF leak considering the sellar floor erosion due to osteomyelitis., Competing Interests: The authors declare that there are no conflicts of interest., (© 2021 The Authors.)
- Published
- 2021
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3. Panophthalmitis From Candida auris.
- Author
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Shenoy V, Ballenberger M, Prince A, and Maslak S
- Subjects
- Adult, Amphotericin B administration & dosage, Antifungal Agents administration & dosage, Eye diagnostic imaging, Eye microbiology, Humans, Intravitreal Injections, Magnetic Resonance Imaging, Male, Panophthalmitis diagnostic imaging, Panophthalmitis drug therapy, Tomography, X-Ray Computed, Vision Disorders etiology, Candida, Candidiasis diagnostic imaging, Candidiasis drug therapy, Panophthalmitis microbiology
- Published
- 2019
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4. Cigarette Smoking Behaviors and Beliefs in Persons Living With Hepatitis C.
- Author
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Shuter J, Litwin AH, Sulkowski MS, Feinstein A, Bursky-Tammam A, Maslak S, Weinberger AH, Esan H, Segal KS, and Norton B
- Subjects
- Female, Humans, Interviews as Topic, Male, Middle Aged, New York City, Surveys and Questionnaires, Health Knowledge, Attitudes, Practice, Hepatitis C, Smoking psychology, Smoking Cessation psychology
- Abstract
Background and Rationale: Tobacco use is common among persons living with hepatitis C (PLHC), yet little is known about their smoking behaviors and beliefs. Modern hepatitis C treatment offers a unique opportunity to intensively engage this population about other health risks, including smoking., Main Results: Seventy-seven tobacco users (40 hepatitis C virus [HCV] seropositive and 37 HCV seronegative) enrolled in an interview study in a New York City clinic. The mean age was 51.6, 57.1% were male, 40.3% Latino, and 49.4% black. 67.5% were single and 18.2% were employed. HCV+ smokers differed from HCV- smokers in having a higher prevalence of illicit substance use, depression, and hypertension. PLHC smokers were highly motivated to quit, with 52.5% stating an intention to quit within 30 days. Most of the PLHC smokers had used cessation-directed pharmacotherapy, but almost none had tried a quitline or a quit smoking website. PLHC smokers scored higher on the intrapersonal locus of control subscale. Almost a quarter (22.5%) believed that smoking "helped fight the HCV.", Conclusions: PLHC smokers have a high burden of psychiatric and substance use comorbidity. They exhibit characteristics that distinguish them from uninfected smokers, and many harbor false beliefs about imagined benefits of smoking. They are highly motivated to quit but underutilize cessation aids. Without aggressive intervention, smoking-related morbidity will likely mute the health benefits and longevity gains associated with hepatitis C treatment. Research such as this may prove useful in guiding the development of future tobacco treatment strategies., Implications: This is the first paper to examine, in detail, sociobehavioral correlates of tobacco use in PLHC. PLHC are recognized by the Department of Health and Human Services as a high-priority health disparities population. We are not aware of any tobacco treatment services designed specifically for PLHC. The first step in designing an intervention is defining the characteristics of the target group. Our findings will begin to address this need, and may prove useful in optimizing tobacco treatment strategies for smokers living with hepatitis C., (© The Author 2016. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
- Published
- 2017
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5. Combination Antifungal Therapy: A Review of Current Data.
- Author
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Campitelli M, Zeineddine N, Samaha G, and Maslak S
- Abstract
The incidence of invasive fungal infections has been on the rise, particularly in transplant recipients and in patients with hematological malignancies and other forms of immunosuppression. There is a mismatch between the rate of antifungal resistance and the development of new antifungal agents. Based on this, the idea of combining antifungals in the treatment of invasive fungal infections appears tempting for many clinicians, particularly after many in vitro studies showed synergism between many antifungal agents. Several randomized controlled trials have been published regarding the efficacy and safety of combination of antifungals, but the high cost, the limited number of cases and the multitude of confounding factors lead in some instances to weak and sometimes contradictory results. The lack of consensus in many clinical scenarios raises the importance of the need for more studies about combination antifungal therapies and should incite infectious disease societies to develop specific recommendations for the clinicians to follow while approaching patients with invasive fungal infections.
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- 2017
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6. American Society of Echocardiography Cardiovascular Technology and Research Summit: a roadmap for 2020.
- Author
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Pellikka PA, Douglas PS, Miller JG, Abraham TP, Baumann R, Buxton DB, Byrd BF 3rd, Chen P, Cook NL, Gardin JM, Hansen G, Houle HC, Husson S, Kaul S, Klein AL, Lang RM, Leong-Poi H, Lopez H, Mahmoud TM, Maslak S, McCulloch ML, Metz S, Nagueh SF, Pearlman AS, Pibarot P, Picard MH, Porter TR, Prater D, Rodriguez R, Sarano ME, Scherrer-Crosbie M, Shirali GS, Sinusas A, Slosky JJ, Sugeng L, Tatpati A, Villanueva FS, von Ramm OT, Weissman NJ, and Zamani S
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- Bioengineering, Cardiovascular Diseases diagnostic imaging, Cardiovascular System, Communication, Congresses as Topic, Echocardiography standards, Echocardiography trends, Echocardiography, Doppler, Equipment Design, Humans, Imaging, Three-Dimensional, Interprofessional Relations, Registries, Research, Software, Technology Assessment, Biomedical, Thrombolytic Therapy methods, Ultrasonography, Interventional, Cardiovascular Diseases diagnosis, Cardiovascular Diseases therapy, Ultrasonic Therapy, Ultrasonography trends
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- 2013
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7. A literature overview and comparison of driving impairing condition assessment approaches by health enabling technologies.
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Reichwaldt N, Maslak S, Wolf KH, and Haux R
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- Biomedical Technology methods, Fatigue prevention & control, Humans, Stress, Psychological prevention & control, Accidents, Traffic prevention & control, Automobile Driving, Biofeedback, Psychology methods, Fatigue diagnosis, Monitoring, Ambulatory methods, Stress, Psychological diagnosis
- Abstract
Due to demographic change, more elderly people have the need to preserve and support mobility by car despite age-related functional limitations. Since accidents by the elderly are primarily caused by age related limitations, and not by careless or irresponsible behavior, it may be beneficial to detect driving impairing conditions. The presented review gives an overview of technologies to detect driving impairing conditions like drowsiness and stress or excessive demand. A comparison of the approaches to detect these conditions suggests that a combination of approaches is the most feasible method. However, there are still few systems that focus on the elderly.
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- 2012
8. Short-term contact elicits heterospecific behavioral discrimination of individual odors in mound-building mice (Mus spicilegus).
- Author
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Maslak S and Gouat P
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- Animals, Behavior, Animal physiology, Habituation, Psychophysiologic, Male, Muridae, Random Allocation, Species Specificity, Time Factors, Discrimination Learning physiology, Odorants, Smell physiology
- Abstract
The authors used a habituation-dishabituation procedure to test the ability of male mound-building mice (Mus spicilegus) to discriminate individual odors from males of another species of mouse. Male mound-building mice failed to spontaneously discriminate individual odors from Mus musculus musculus males, a natural competitor. After 24-hr contact with a male of one of the M. musculus subspecies (M. m. musculus or M. m. domesticus), experienced M. spicilegus males discriminated the individual odors of unfamiliar males of the same subspecies. These results confirm that discrimination of individual chemosignals is not confined to olfactory cues of a single species and provide new information about the effect of short-term contact on discrimination of individual odors across species.
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- 2002
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9. Neutralization of complement regulatory proteins augments lysis of breast carcinoma cells targeted with rhumAb anti-HER2.
- Author
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Jurianz K, Maslak S, Garcia-Schüler H, Fishelson Z, and Kirschfink M
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- Animals, Antibodies, Monoclonal immunology, Antibody Specificity, Breast Neoplasms immunology, Breast Neoplasms metabolism, Carcinoma immunology, Carcinoma metabolism, Complement System Proteins physiology, Flow Cytometry, Humans, Immunization, Passive, Immunoglobulin G immunology, Immunoglobulin G pharmacology, Neoplasm Proteins immunology, Neoplasm Proteins metabolism, Rabbits, Receptor, ErbB-2 biosynthesis, Recombinant Proteins immunology, Recombinant Proteins pharmacology, Tumor Cells, Cultured, Antibodies, Monoclonal pharmacology, Breast Neoplasms therapy, Carcinoma therapy, Complement Activation immunology, Receptor, ErbB-2 immunology
- Abstract
The capacity of recombinant human monoclonal anti-p185HER2 IgG (rhumAb anti-HER2) to activate human complement was investigated. Complement activation by rhumAb anti-HER2 on various human breast carcinoma cell lines resulted in deposition of complement proteins on these cells. Complement activation was also observed in a solid-phase binding assay, in which purified p185HER2 was immobilized onto a microtiter plate. rhumAb anti-HER2 induced some complement-mediated tumor cell lysis by rabbit complement, but not by human complement. Analysis of membrane complement regulatory proteins (mCRP) on breast carcinoma cells revealed a heterogenous expression of CD46, CD55 and CD59. After blocking the mCRP activity with specific antibodies, rhumAb anti-HER2 induced about 15% lysis of p185HER2-expressing tumor cells. Tumor cell sensitization with rabbit polyclonal anti-tumor antiserum following mCRP neutralization, augmented cell lysis from 10 to 80%. Expression of mCRP was upregulated by treatment with PMA, and correlated with increased protection of the tumor cells from complement lysis. These results suggest that humanized antibodies like rhumAb anti-HER2 promote complement activation leading to tumor cell phagocytosis and cell-mediated cytotoxicity. They further demonstrate that a successful tumor immunotherapeutical approach, based on antibody and complement treatment, requires mCRP neutralization.
- Published
- 1999
- Full Text
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