KARIM YAQUB IBRAHIM

Índice h a partir de 2011
10
Projetos de Pesquisa
Unidades Organizacionais
Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico
Instituto do Câncer do Estado de São Paulo, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/48 - Laboratório de Imunologia, Hospital das Clínicas, Faculdade de Medicina
LIM/47 - Laboratório de Hepatologia por Vírus, Hospital das Clínicas, Faculdade de Medicina

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  • article 6 Citação(ões) na Scopus
    Adverse events following yellow fever vaccination in immunocompromised persons
    (2021) LARA, Amanda Nazareth; MIYAJI, Karina Takesaki; IBRAHIM, Karim Yaqub; LOPES, Marta Heloisa; SARTORI, Ana Marli Christovam
    This observational retrospective study conducted during an yellow fever (YF) outbreak in Sao Paulo. Brazil, in 2017-2018, describes adverse events (AE) following YF vaccination of immunocompromised persons. Risks and benefits of vaccination were individually evaluated by physicians. AE were assessed by phone call or electronic mail, 14 to 90 days after vaccination. Three hundred and eighty one immunocompromised persons received a full-dose of YF vaccine. Their age ranged from 1.4 to 89.3 years (median 50.8 years); 53% were women; 178 (46.7%) had chronic kidney disease, 78 (205%) had immune-mediated inflammatory diseases; 94 (24.7%) were using or had recently used immunosuppressive/immunomodulatory drugs. All of them denied previous YF vaccination. We were able to contact 341 (89.5%) vaccinees: 233 (68.3%) of them received the YF vaccine from BioManguinhos and 108 (31.7%) received the vaccine from Sanofi-Pasteur; 130 (38.1%) vaccinees received other vaccines (up to 4) simultaneously with the the YF vaccine, mostly hepatitis B (59 vaccinees), pneumococcal polysaccharide 23-valent (46). influenza (43) and diphtheria-tetanus (dT, 41). One hundred and eleven vaccinees (32.6%) reported at least one AE: 79 (23.2%) presented systemic AE, 44 (12.9%) had local AE and 12 had both, local and systemic AE. The most common AE was pain at the injection site (41 persons, 12%), myalgia (34; 10%). fever (25; 7.3%) and headache (16; 4.7%). There was no statistically significant difference on the AE frequency according to the vaccine producer. There were four severe AE: one hospitalization and three deaths, considered not related to the YF vaccine.
  • article 1 Citação(ões) na Scopus
    Fluoroquinolone treatment as a protective factor for 10-day mortality in Streptococcus pneumoniae bacteremia in cancer patients (vol 11, 3699, 2021)
    (2021) FONTANA, Naihma Salum; IBRAHIM, Karim Yaqub; BONAZZI, P. R.; ROSSI, F.; ALMEIDA, S. C. G.; TENGAN, F. M.; BRANDILEONE, M. C. C.; ABDALA, E.
  • article 3 Citação(ões) na Scopus
    Fluoroquinolone treatment as a protective factor for 10-day mortality in Streptococcus pneumoniae bacteremia in cancer patients
    (2021) FONTANA, Naihma Salum; IBRAHIM, K. I.; BONAZZI, P. R.; ROSSI, F.; ALMEIDA, S. C. G.; TENGAN, F. M.; BRANDILEONE, M. C. C.; ABDALA, E.
    To evaluate the prognostic factors in adult cancer patients with pneumococcal bacteremia, describe episode features and the phenotypic characteristics of the isolated strains. We evaluated the episodes in patients admitted to a cancer hospital between 2009 and 2015. The outcomes were defined as 48 h mortality and mortality within 10 days after the episode. The variables evaluated were: age, sex, ethnicity, ECOG, Karnofsky score, SOFA, cancer type, metastasis, chemotherapy, radiotherapy, neutropenia, previous antibiotic therapy, community or healthcare-acquired infection, comorbidities, smoking, pneumococcal vaccination, infection site, presence of fever, polymicrobial infection, antimicrobial susceptibility, serotype and treatment. 165 episodes were detected in 161 patients. The mean age was 61.3 years; solid tumors were the most prevalent (75%). 48 h and 10-day mortality were 21% (34/161) and 43% (70/161) respectively. The 48 h mortality- associated risk factors were SOFA and polymicrobial bacteremia; 10-day mortality-associated risk factors were fever, neutropenia, ECOG 3/4, SOFA and fluoroquinolones as a protective factor. Pneumococcal bacteremia presented high mortality in cancer patients, with prognosis related to intrinsic host factors and infection episodes features. Fluoroquinolone treatment, a protective factor in 10-day mortality, has potential use for IPDs and severe community-acquired pneumonia in cancer patients.