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1.
Cancer Med ; 10(23): 8475-8482, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34725958

RESUMO

BACKGROUND: The Multinational Association for Supportive Care in Cancer (MASCC) risk index has been utilized to determine the risk for poor clinical outcomes in patients with febrile neutropenia (FN) in an emergency center (EC). However, this index comprises subjective elements and elaborated metrics limiting its use in ECs. We sought to determine whether procalcitonin (PCT) level (biomarker of bacterial infection) with or without lactate level (marker of inadequate tissue perfusion) offers a potential alternative to MASSC score in predicting the outcomes of patients with FN presenting to an EC. METHODS: We retrospectively identified 550 cancer patients with FN who presented to our EC between April 2018, and April 2019, and had serum PCT and lactate levels measured. RESULTS: Compared with patients with PCT levels <0.25 ng/ml, those with levels ≥0.25 ng/ml had a significantly higher 14-day mortality rate (5.2% vs. 0.7%; p = 0.002), a higher bloodstream infection (BSI) rate, and a longer hospital length of stay (LOS). Logistic regression analysis showed that patients with PCT levels ≥0.25 ng/ml and lactate levels >2.2 mmol/L were more likely to be admitted and have an LOS >7 days, BSI, and 14-day mortality than patients with lower levels. PCT level was a significantly better predictor of BSI than MASSC score (p = 0.003) or lactate level (p < 0.0001). CONCLUSIONS: Procalcitonin level is superior to MASCC index in predicting BSI. The combination of PCT and lactate levels is a good predictor of BSI, hospital admission, and 14-day mortality and could be useful in identifying high-risk FN patients who require hospital admission.


Assuntos
Biomarcadores Tumorais/sangue , Neutropenia Febril/sangue , Neoplasias/sangue , Pró-Calcitonina/sangue , Adulto , Idoso , Feminino , Humanos , Lactatos/sangue , Masculino , Pessoa de Meia-Idade , Neoplasias/mortalidade , Valor Preditivo dos Testes , Estudos Retrospectivos , Medição de Risco , Sensibilidade e Especificidade
2.
Microbes Infect ; 24(3): 104895, 2021 Oct 28.
Artigo em Inglês | MEDLINE | ID: mdl-34756990

RESUMO

Baloxavir, a cap-dependent endonuclease inhibitor, was recently approved for treatment of severe influenza infections. Combining baloxavir with oseltamivir has been proposed to increase the response rate. We report 2 hematopoietic cell transplant recipients with severe influenza infections who were treated with this combination and discuss possible reasons for their different responses.

3.
Int J Infect Dis ; 112: 327-329, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34600133

RESUMO

This article reports a fatal case of human herpesvirus 6 (HHV-6) myelitis following CD19-targeted chimeric antigen receptor T-cell therapy. Infection from HHV-6 reactivation after haematopoietic stem cell transplant is established, and outside of this population is limited to case reports. The patient developed cytokine release syndrome and immune effector cell-associated neurotoxicity syndrome that responded to corticosteroids both clinically and on imaging. Subsequently, ascending flaccid paralysis developed, leading to neuromuscular respiratory failure and, ultimately, death. Disease progression was refractory to foscarnet and multiple immunomodulating agents. HHV-6 should be considered in patients with encephalitis and myelitis after adoptive T-cell therapy.


Assuntos
Herpesvirus Humano 6 , Mielite , Receptores de Antígenos Quiméricos , Terapia Baseada em Transplante de Células e Tecidos , Humanos , Imunoterapia Adotiva , Mielite/tratamento farmacológico , Mielite/etiologia
4.
BMC Infect Dis ; 21(1): 1021, 2021 Sep 29.
Artigo em Inglês | MEDLINE | ID: mdl-34587893

RESUMO

BACKGROUND: Non-typhoidal Salmonella (NTS) infection is thought to be more severe in cancer patients, but this has not been studied since the development of new cancer therapies, increasing antibiotic resistance and the introduction of new antibiotics. We sought to describe the demographic characteristics, microbiological findings, clinical manifestations, and outcomes of NTS infections in cancer patients at our institution. METHODS: We reviewed microbiology laboratory records and identified patients who had cancer and from whom NTS organisms were recovered between January 1, 2000 and December 31, 2013, at a comprehensive cancer center in Houston, Texas. Descriptive statistics were used to summarize patient characteristics, clinical presentation and outcomes. RESULTS: We identified 110 isolates from 82 patients with 88 episodes of NTS infection (including five relapses [6%] in four patients, and two consecutive episodes in one patient). Fifty-five patients (67%) had hematologic malignancies. Most NTS isolates were susceptible to the commonly prescribed antimicrobials. Sixty-nine percent of patients had sepsis and one-third had severe sepsis or septic shock. Gastroenteritis, bacteremia, or both were present in 69% of patients, and the rest had focal infection. Mortality at 30 days was low (8%). Relapses occurred only in patients receiving ≤ 10 days of antibiotic therapy. CONCLUSIONS: NTS affects predominantly patients with hematologic malignancies, followed by gastrointestinal and genitourinary cancers. Invasive disease, sepsis, and septic shock are common presentations among admitted patients. Antimicrobial prophylaxis may not prevent NTS infection. Thirty-day mortality and attributable mortality rates were low in our series compared to older case series. Early appropriate antibiotic therapy may have had a role in decreasing mortality. Relapses occurred in patients receiving ≤ 10 days of therapy, suggesting the need for longer duration of antibiotic therapy in cancer patients with uncomplicated NTS infections.


Assuntos
Bacteriemia , Infecções por Salmonella , Antibacterianos/uso terapêutico , Bacteriemia/tratamento farmacológico , Bacteriemia/epidemiologia , Humanos , Recidiva Local de Neoplasia/tratamento farmacológico , Salmonella , Infecções por Salmonella/tratamento farmacológico , Infecções por Salmonella/epidemiologia
5.
Front Immunol ; 12: 675679, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33995420

RESUMO

Background: COVID-19 Convalescent plasma (CCP) is safe and effective, particularly if given at an early stage of the disease. Our study aimed to identify an association between survival and specific antibodies found in CCP. Patients and Methods: Patients ≥18 years of age who were hospitalized with moderate to severe COVID-19 infection and received CCP at the MD Anderson Cancer Center between 4/30/2020 and 8/20/2020 were included in the study. We quantified the levels of anti-SARS-CoV-2 antibodies, as well as antibodies against antigens of other coronavirus strains, in the CCP units and compared antibody levels with patient outcomes. For each antibody, a Bayesian exponential survival time regression model including prognostic variables was fit, and the posterior probability of a beneficial effect (PBE) of higher antibody level on survival time was computed. Results: CCP was administered to 44 cancer patients. The median age was 60 years (range 37-84) and 19 (43%) were female. Twelve patients (27%) died of COVID-19-related complications. Higher levels of two non-SARS-CoV-2-specific antibodies, anti-HCoV-OC43 spike IgG and anti-HCoV-HKU1 spike IgG, had PBE = 1.00, and 4 SARS-CoV-2-specific antibodies had PBEs between 0.90 and 0.95. Other factors associated with better survival were shorter time to CCP administration, younger age, and female sex. Conclusions: Common cold coronavirus spike IgG antibodies anti-HCoV-OC43 and anti-HCoV-HKU1 may target a common domain for SARS-CoV-2 and other coronaviruses. They provide a promising therapeutic target for monoclonal antibody production.


Assuntos
Anticorpos Antivirais , Betacoronavirus/imunologia , COVID-19/terapia , Resfriado Comum/imunologia , Convalescença , Coronavirus Humano OC43/imunologia , SARS-CoV-2/imunologia , Glicoproteína da Espícula de Coronavírus/imunologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos Antivirais/administração & dosagem , Anticorpos Antivirais/imunologia , COVID-19/imunologia , COVID-19/mortalidade , Reações Cruzadas , Feminino , Humanos , Imunização Passiva , Masculino , Pessoa de Meia-Idade
6.
J Clin Oncol ; 39(24): 2710-2719, 2021 08 20.
Artigo em Inglês | MEDLINE | ID: mdl-33929874

RESUMO

PURPOSE: BK virus-associated hemorrhagic cystitis (BKV-HC) is a common complication of allogenic hematopoietic stem cell transplantation (AHSCT), particularly in recipients of alternative donor transplants, which are being performed in increasing numbers. BKV-HC typically results in painful hematuria, urinary obstruction, and renal dysfunction, without a definitive therapeutic option. METHODS: We performed a clinical trial (ClinicalTrials.gov identifier: NCT02479698) to assess the feasibility, safety, and efficacy of administering most closely HLA-matched third-party BKV-specific cytotoxic T lymphocytes (CTLs), generated from 26 healthy donors and banked for off-the-shelf use. The cells were infused into 59 patients who developed BKV-HC following AHSCT. Comprehensive clinical assessments and correlative studies were performed. RESULTS: Response to BKV-CTL infusion was rapid; the day 14 overall response rate was 67.7% (40 of 59 evaluable patients), which increased to 81.6% among evaluable patients at day 45 (40 of 49 evaluable patients). No patient lost a previously achieved response. There were no cases of de novo grade 3 or 4 graft-versus-host disease, graft failure, or infusion-related toxicities. BKV-CTLs were identified in patient blood samples up to 3 months postinfusion and their in vivo expansion predicted for clinical response. A matched-pair analysis revealed that, compared with standard of care, after accounting for prognostic covariate effects, treatment with BKV-CTLs resulted in higher probabilities of response at all follow-up timepoints as well as significantly lower transfusion requirement. CONCLUSION: Off-the-shelf BKV-CTLs are a safe and effective therapy for the management of patients with BKV-HC after AHSCT.


Assuntos
Cistite/tratamento farmacológico , Transtornos Hemorrágicos/tratamento farmacológico , Linfócitos T Citotóxicos/metabolismo , Alotransplante de Tecidos Compostos Vascularizados/efeitos adversos , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Adulto Jovem
7.
Transpl Infect Dis ; 23(4): e13606, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-33755273

RESUMO

Severe acute respiratory syndrome coronavirus 2 can lead to life-threatening coronavirus disease 2019 (COVID-19) infections in patients with hematologic malignancies, particularly among hematopoietic cell transplant (HCT) recipients. We describe two patients with COVID-19 during the pre-engraftment period after HCT and review previous reports of COVID-19 in HCT recipients. Because of significant mortality from COVID-19, primarily after allogeneic HCT, early, preemptive, and optimal directed therapy may improve outcomes and reduce the mortality rate but still needs to be established in clinical trials.


Assuntos
COVID-19 , Transplante de Células-Tronco Hematopoéticas , Reconstituição Imune , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , SARS-CoV-2 , Transplantados
8.
medRxiv ; 2021 Mar 10.
Artigo em Inglês | MEDLINE | ID: mdl-33758890

RESUMO

BACKGROUND: COVID-19 Convalescent plasma (CCP) is safe and effective, particularly if given at an early stage of the disease. Our study aimed to identify an association between survival and specific antibodies found in CCP. PATIENTS AND METHODS: Patients ≥18 years of age who were hospitalized with moderate to severe COVID-19 infection and received CCP at the MD Anderson Cancer Center between 4/30/2020 and 8/20/2020 were included in the study. We quantified the levels of anti-SARS-CoV-2 antibodies, as well as antibodies against antigens of other coronavirus strains, in the CCP units and compared antibody levels with patient outcomes. For each antibody, a Bayesian exponential survival time regression model including prognostic variables was fit, and the posterior probability of a beneficial effect (PBE) of higher antibody level on survival time was computed. RESULTS: CCP was administered to 44 cancer patients. The median age was 60 years (range 37-84) and 19 (43%) were female. Twelve patients (27%) died of COVID-19-related complications. Higher levels of two non-SARS-CoV-2-specific antibodies, anti-HCoV-OC43 spike IgG and anti-HCoV-HKU1 spike IgG, had PBE = 1.00, and 4 SARS-CoV-2-specific antibodies had PBEs between 0.90 and 0.95. Other factors associated with better survival were shorter time to CCP administration, younger age, and female sex. CONCLUSIONS: Common cold coronavirus spike IgG antibodies anti-HCoV-OC43 and anti-HCoV-HKU1 may target a common domain for SARS-CoV-2 and other coronaviruses. They provide a promising therapeutic target for monoclonal antibody production.

9.
Haematologica ; 106(10): 2667-2672, 2021 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-32732355

RESUMO

Chimeric antigen receptor (CAR) T-cell therapy targeting CD19 may be associated with long-term adverse effects such as cytopenia and immune deficiency. In order to characterize these late events, we analyzed 31 patients with relapsed or refractory large B-cell lymphoma treated with axicabtagene ciloleucel at our institution on two clinical trials, ZUMA-1 (clinicaltrials gov. Identifier: NCT02348216) and ZUMA-9 (clinicaltrials gov. Identifier: NCT03153462). Complete blood counts, lymphocyte subsets, and immunoglobulin levels were measured serially until month 24 or progression. Fifteen (48%) patients had grade 3-4 cytopenia, including anemia (five, 16%), neutropenia (nine, 29%), or thrombocytopenia (13, 42%) at day 30. Cytopenia at day 30 was not significantly associated with later diagnosis of myelodysplasia. Among patients with ongoing remission, grade 3-4 cytopenia was observed in one of nine (11%) at 2 years. While peripheral CD8+ T cells recovered early, CD4+ T-cell recovery was delayed with a count of <200/mL in three of nine (33%) patients at 1 year and two of seven (29%) at 2 years. Immunoglobulin G levels normalized in five of nine (56%) patients at 2 years. Thirteen (42%) patients developed grade 3-4 infectious complications, including herpes zoster and Pneumocystis jiroveci pneumonia. These results suggest the need for prolonged monitoring and prophylaxis against opportunistic infections in these patients, to improve the longterm safety of axicabtagene ciloleucel therapy.


Assuntos
Reconstituição Imune , Linfoma Difuso de Grandes Células B , Neutropenia , Antígenos CD19 , Produtos Biológicos , Humanos , Imunoterapia Adotiva , Linfoma Difuso de Grandes Células B/tratamento farmacológico
10.
Clin Infect Dis ; 73(9): e2697-e2704, 2021 11 02.
Artigo em Inglês | MEDLINE | ID: mdl-32564081

RESUMO

BACKGROUND: Checkpoint inhibitor (CPI) immunotherapy has revolutionized cancer treatment. However, immune-related adverse events and the risk of infections are not well studied. To assess the infectious risk of CPIs, we evaluated the incidence of infections in lung cancer patients treated with CPIs plus conventional chemotherapy (CC) vs CC alone. METHODS: We performed a retrospective comparative study of patients with advanced non-small cell lung cancer who received CPIs combined with CC and those treated with CC alone at our institution during January 2016 to February 2019. We compared clinical characteristics, treatments, and outcomes including infection rate and mortality between the groups. RESULTS: We identified 123 patients for the CPI group and 147 patients for the control (CC) group. Eighteen patients (15%) in the CPI group and 33 patients (22%) in the control group developed infections (P = .1). Pneumonia was the most common infection encountered in both groups. Urinary tract infection was higher in the CC group (40%) than in the CPI group (9%) (P = .01). On multivariable analysis, chronic obstructive pulmonary disease (P = .024), prior use of corticosteroids (P = .021), and neutropenia (P < .001) were independent risk factors for infection and severe infection requiring hospital admission. Chronic kidney disease (P = .02), prior cancer treatment (P = .023), and neutropenia (P < .0001) were identified as independent risk factors for all-cause mortality. CONCLUSIONS: Lung cancer patients treated with CPIs combined with CC have a comparable risk of infection to those treated with CC alone, although there is a trend towards fewer infections in those given CPIs, particularly when it comes to urinary tract infections.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Anticorpos Monoclonais Humanizados , Carcinoma Pulmonar de Células não Pequenas/complicações , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Humanos , Imunoterapia , Neoplasias Pulmonares/tratamento farmacológico , Estudos Retrospectivos
13.
Mediterr J Hematol Infect Dis ; 12(1): e2020044, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32670522

RESUMO

The emergence and spread of 2019 novel coronavirus have led to an unprecedented public health crisis around the globe, threatening the lives of millions of people. We report a severe case of COVID-19 in a patient with chronic lymphocytic leukemia and describe primarily the clinical presentation and the challenges encountered in the COVID-19 diagnosis, treatment, and specimens sampling pitfalls. This case highlights the importance of a comprehensive diagnostic approach of pneumonia in immunocompromised hosts, including timely and safe bronchoscopy, because of the broad differential diagnosis, more challenging with the current outbreak of COVID-19.

14.
Infection ; 48(5): 811, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32562086

RESUMO

The original version of this article unfortunately contained a mistake.

16.
BMC Infect Dis ; 19(1): 934, 2019 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-31694567

RESUMO

BACKGROUND: Morbidity and mortality from Mycobacterium tuberculosis (Mtb) infection remain significant in cancer patients. We evaluated clinical characteristics, management, and outcomes in patients with active Mtb infection at our institution who had cancer or suspicion of cancer. METHODS: We retrospectively examined medical records of all patients with laboratory-confirmed active Mtb infection diagnosed between 2006 and 2014. RESULTS: A total of 52 patients with laboratory-confirmed active Mtb infection were identified during the study period, resulting in an average rate of 6 new cases per year. Thirty-two (62%) patients had underlying cancer, while 20 (38%) patients did not have cancer but were referred to the institution because of suspicion of underlying malignancy. Among patients with cancer, 18 (56%) had solid tumors; 8 (25%) had active hematologic malignancies; and 6 (19%) had undergone hematopoietic-cell transplantation (HCT). Patients with and without cancer were overall similar with the exception of median age (61 years in cancer patients compared to 53 years in noncancer patients). Pulmonary disease was identified in 32 (62%) patients, extrapulmonary disease in 10 (19%) patients, and disseminated disease in 10 (19%) patients. Chemotherapy was delayed in 53% of patients who were to receive such treatment. Eleven patients (all of whom had cancer) died; 3 of these deaths were attributable to Mtb infection. CONCLUSIONS: Although not common, tuberculosis remains an important infection in patients with cancer. Approximately one-third of patients were referred to our institution for suspicion of cancer but were ultimately diagnosed with active Mtb infection rather than malignancy.


Assuntos
Institutos de Câncer , Neoplasias Pulmonares/diagnóstico , Mycobacterium tuberculosis/isolamento & purificação , Tuberculose/diagnóstico , Tuberculose/epidemiologia , Centros Médicos Acadêmicos , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Diagnóstico Diferencial , Feminino , Neoplasias Hematológicas , Transplante de Células-Tronco Hematopoéticas , Humanos , Incidência , Leucemia , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Texas/epidemiologia , Resultado do Tratamento , Tuberculose/tratamento farmacológico , Tuberculose/microbiologia , Adulto Jovem
17.
J Infect ; 78(1): 48-53, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30048653

RESUMO

OBJECTIVE: To investigate the clinical manifestations, microbiological data, and outcomes of Bordetella bronchiseptica (Bb) infections in patients with cancer. METHODS: Review of electronic medical records of 24 patients with Bb infection, from 2000 to 2013. An infection was considered to be associated with Bb if both clinical manifestations plus microbial growth from infected sites were present. RESULTS: Ten patients (42%) had a monomicrobial infection, whereas multiple pathogens in addition to Bb were isolated from the rest (14 patients, 58%). The most frequent sites of infection were the respiratory tract (18 patients, 75 %) and bloodstream (17%). The most frequently associated conditions were lymphopenia (71%), tobacco use (42%), and chemotherapeutic or immunosuppressive agents (33% each). Animal exposure was established in four patients. Overall, the response rate to treatment was 100% for monomicrobial and 79% for polymicrobial infections, respectively. CONCLUSIONS: Bb is an uncommon pathogen even in immunosuppressed patients. Predominant sites of infection are the respiratory tract and bloodstream. Bb should be considered pathogenic in immunocompromised hosts, particularly with history of zoonotic exposure, even if accompanied by co-pathogens. Therefore, contact with potential animal sources should be minimized. The infection ranges from mild to severe and has no specific clinical or radiographic manifestations.


Assuntos
Tosse/microbiologia , Hospedeiro Imunocomprometido , Neoplasias/complicações , Infecções Respiratórias/microbiologia , Adulto , Idoso , Infecções por Bordetella/microbiologia , Bordetella bronchiseptica/isolamento & purificação , Bordetella bronchiseptica/patogenicidade , Coinfecção , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
18.
N Engl J Med ; 379(15): 1443-1451, 2018 10 11.
Artigo em Inglês | MEDLINE | ID: mdl-30304652

RESUMO

JC virus, the cause of progressive multifocal leukoencephalopathy (PML), and the BK virus are genetically similar and share sequence homology in immunogenic proteins. We treated three immunosuppressed patients with PML with ex vivo-expanded, partially HLA-matched, third-party-produced, cryopreserved BK virus-specific T cells. The immunosuppression in these patients was due to the conditioning regimen for cord-blood transplantation in one patient, a myeloproliferative neoplasm treated with ruxolitinib in another, and acquired immunodeficiency syndrome in the third. After T-cell infusion in two of the patients, alleviation of the clinical signs and imaging features of PML was seen and JC virus in the cerebrospinal fluid (CSF) cleared. The other patient had a reduction in JC viral load and stabilization of symptoms that persisted until her death 8 months after the first infusion. Two of the patients had immune reconstitution syndrome. Donor-derived T cells were detected in the CSF after infusion. (Funded by the M.D. Anderson Cancer Center Moon Shots Program and the National Institutes of Health; ClinicalTrials.gov number, NCT02479698 .).


Assuntos
Vírus BK/imunologia , Terapia Baseada em Transplante de Células e Tecidos , Leucoencefalopatia Multifocal Progressiva/terapia , Linfócitos T/transplante , Adulto , Idoso , Encéfalo/diagnóstico por imagem , Terapia Baseada em Transplante de Células e Tecidos/efeitos adversos , Feminino , Humanos , Síndrome Inflamatória da Reconstituição Imune , Hospedeiro Imunocomprometido , Infusões Parenterais , Vírus JC , Leucoencefalopatia Multifocal Progressiva/diagnóstico por imagem , Leucoencefalopatia Multifocal Progressiva/virologia , Imageamento por Ressonância Magnética , Masculino , Linfócitos T/imunologia , Transplante Homólogo , Carga Viral
19.
Open Forum Infect Dis ; 5(7): ofy167, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30090838

RESUMO

Background: Coagulase-negative staphylococci, including Staphylococcus epidermidis, are the most common cause of bloodstream infection in cancer patients. Linezolid resistance is increasingly identified in S. epidermidis, but whether such resistance alters the clinical course of S. epidermidis infections is unknown. The purpose of this study was to assess the clinical impact of linezolid resistance in leukemia patients with S. epidermidis bloodstream infection. Methods: This was a retrospective, single-center cohort study of all adult leukemia patients with S. epidermidis bacteremia treated with empiric linezolid between 2012 and 2015. The primary end point was adverse clinical outcome on day 3, defined as a composite of persistent bacteremia, fever, intensive care unit admission, or death. Fourteen- and 30-day mortality were also assessed. Results: Eighty-two unique leukemia patients with S. epidermidis were identified. Linezolid resistance was identified in 33/82 (40%). Patients with linezolid-resistant S. epidermidis were significantly more likely to have persistent bacteremia (41% vs 7%; adjusted relative risk [aRR], 5.15; 95% confidence interval [CI], 1.63-16.30; P = .005); however, adverse short-term clinical outcomes overall were not more common among patients with linezolid-resistant S. epidermidis (61% vs 33%; aRR, 1.46; 95% CI, 0.92-2.32; P = .108). No differences were observed in 14- or 30-day mortality. Conclusions: Leukemia patients with linezolid-resistant S. epidermidis bacteremia who were treated with linezolid were significantly more likely to have persistent bacteremia compared with those with linezolid-sensitive isolates. Interventions to limit the clinical impact of linezolid-resistant S. epidermidis are warranted.

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