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1.
Otolaryngol Head Neck Surg ; 168(1): 82-90, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-34752163

RESUMEN

OBJECTIVE: To compare survival among patients with head and neck cancer before and after implementing a weekly multidisciplinary clinic and case conference. METHODS: A retrospective cohort study with chart review was conducted of 3081 patients (1431 preimplementation, 1650 postimplementation) diagnosed with stage I-IVB tumors in the oral cavity, oropharynx, hypopharynx, nasopharynx, or larynx. Pre- and postimplementation differences in overall and disease-specific survival 1, 2, and 3 years after diagnosis were assessed with unadjusted Kaplan-Meier curves and multivariable Cox proportional hazard regression models adjusted for demographic characteristics, comorbidity burden, smoking status, tumor site and stage, p16 status for oropharyngeal squamous cell cancer, and initial treatment modality. RESULTS: Patients less commonly presented with oropharyngeal squamous cell cancer and advanced tumors (III-IVB) and received primary treatment with surgery alone or with adjuvant therapy preimplementation than postimplementation. Overall survival at 3 years was 77.1% and 79.9% (P = .07) and disease-specific survival was 84.9% and 87.5% (P = .05) among pre- and postimplementation patients, respectively. At 3 years, preimplementation patients had slightly poorer overall (hazard ratio, 1.20; 95% CI, 1.02-1.40) and disease-specific (hazard ratio, 1.26; 95% CI, 1.03-1.54) adjusted survival than postimplementation patients. In unadjusted and adjusted analyses, survival improvements were more pronounced among patients with advanced disease. DISCUSSION: A multidisciplinary clinic and case conference were associated with improved outcomes among patients with head and neck cancer, especially those with advanced tumors. IMPLICATIONS FOR PRACTICE: All patients with head and neck cancer should receive multidisciplinary team management, especially those with advanced tumors.


Asunto(s)
Neoplasias de Cabeza y Cuello , Neoplasias de Células Escamosas , Humanos , Estudios Retrospectivos , Neoplasias de Cabeza y Cuello/terapia , Carcinoma de Células Escamosas de Cabeza y Cuello , Instituciones de Atención Ambulatoria
2.
J Am Board Fam Med ; 35(2): 341-351, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35379721

RESUMEN

OBJECTIVE: Adults with type 2 diabetes diagnosed at a younger age are at increased risk for poor outcomes. We examined life stage-related facilitators and barriers to early self-management among younger adults with newly diagnosed type 2 diabetes. RESEARCH DESIGN AND METHODS: We conducted 6 focus groups that each met twice between November 2017 and May 2018. Participants (n = 41) were aged 21 to 44 years and diagnosed with type 2 diabetes during the prior 2 years. Transcripts were coded using thematic analysis and themes were mapped to the Capability-Opportunity-Motivation-Behavior framework. RESULTS: Participants were 38.4 (±5.8) years old; 10 self-identified as Latinx, 12 as Black, 12 as White, and 7 as multiple or other races. We identified 9 themes that fell into 2 categories: (1) the impact of having an adult family member with diabetes, and (2) the role of nonadult children. Family members with diabetes served as both positive and negative role models, and, for some, personal familiarity with the disease made adjusting to the diagnosis easier. Children facilitated their parents' self-management by supporting self-management activities and motivating their parents to remain healthy. However, the stress and time demands resulting from parental responsibilities and the tendency to prioritize children's needs were perceived as barriers to self-management. CONCLUSIONS: Our results highlight how the life position of younger-onset individuals with type 2 diabetes influences their early experiences. Proactively addressing perceived barriers to and facilitators of self-management in the context of family history and parenthood may aid in efforts to support these high-risk, younger patients.


Asunto(s)
Diabetes Mellitus Tipo 2 , Automanejo , Adulto , Niño , Diabetes Mellitus Tipo 2/terapia , Grupos Focales , Humanos , Motivación , Investigación Cualitativa , Adulto Joven
3.
Perm J ; 252021 05.
Artículo en Inglés | MEDLINE | ID: mdl-33970087

RESUMEN

INTRODUCTION: The primary care visit is an important opportunity to discuss and modify diabetes management. OBJECTIVE: To gain insight into doctor-patient communication during primary care visits among English and Spanish speaking patients with type 2 diabetes and suboptimal glycemic control (HbA1c > 7%). METHODS: We conducted a quantitative content analysis of audiotaped primary care visits in 2 patient cohorts. In Study 1 (31 English-speaking patients), we examined factors associated with management changes, and in Study 2 (20 Spanish-speaking patients and their Spanish-speaking providers), we examined the association of question asking with HbA1c control. This study was conducted between November 2017 and January 2020 across 8 primary care practices within Kaiser Permanente Northern California. RESULTS: In Study 1, the only factor significantly associated with a diabetes management change was patient identification of diabetes as a priority prior to the visit (91.7% had a management change vs 52.6% of patients who did not identify diabetes as a priority; p = 0.02). In Study 2, patients with poorer glycemic control (HbA1c ≥ 10.0) asked significantly fewer questions (3.4 ± 1.8 vs 10.7 ± 6.9 questions per 15 minutes; p = 0.004). Overall, despite receiving primary care from language-concordant providers, Spanish-speaking Study 2 patients asked fewer questions than English-speaking Study 1 patients (4.5 ± 2.9 vs 7.5 ± 3.7 questions per 15 minutes, respectively; p = 0.004). CONCLUSION: Our results highlight 2 potential strategies (preparing patients for their visits through identifying priorities and learning how to ask more questions during visits) for improving diabetes primary care.


Asunto(s)
Diabetes Mellitus Tipo 2 , Lenguaje , Relaciones Médico-Paciente , Humanos , Comunicación , Diabetes Mellitus Tipo 2/terapia , Hispánicos o Latinos
4.
J Gen Intern Med ; 36(6): 1622-1628, 2021 06.
Artículo en Inglés | MEDLINE | ID: mdl-33501523

RESUMEN

BACKGROUND: Adults diagnosed with type 2 diabetes at a younger age are at increased risk for poor outcomes. Yet, little is known about the early experiences of these individuals, starting with communication of the diagnosis. Addressing this knowledge gap is important as this initial interaction may shape subsequent disease-related perceptions and self-management. OBJECTIVE: We examined diagnosis disclosure experiences and initial reactions among younger adults with newly diagnosed type 2 diabetes. PARTICIPANTS: Purposive sample of adult members of Kaiser Permanente Northern California, an integrated healthcare delivery system, diagnosed with type 2 diabetes before age 45 years. APPROACH: We conducted six focus groups between November 2017 and May 2018. Transcribed audio recordings were coded by two coders using thematic analysis. KEY RESULTS: Participants (n = 41) were 38.4 (± 5.8) years of age; 10 self-identified as Latinx, 12 as Black, 12 as White, and 7 as multiple or other races. We identified variation in diagnosis disclosure experiences, centered on four key domains: (1) participants' sense of preparedness for diagnosis (ranging from expectant to surprised); (2) disclosure setting (including in-person, via phone, via secure message, or via review of results online); (3) perceived provider tone (from nonchalant, to overly fear-centered, to supportive); and (4) participants' emotional reactions to receiving the diagnosis (including acceptance, denial, guilt, and/or fear, rooted in personal and family experience). CONCLUSIONS: For younger adults, the experience of receiving a diabetes diagnosis varies greatly. Given the long-term consequences of inadequately managed diabetes and the need for early disease control, effective initial disclosure represents an opportunity to optimize initial care. Our results suggest several opportunities to improve the type 2 diabetes disclosure experience: (1) providing pre-test counseling, (2) identifying patient-preferred settings for receiving the news, and (3) developing initial care strategies that acknowledge and address the emotional distress triggered by this life-altering, chronic disease diagnosis.


Asunto(s)
Diabetes Mellitus Tipo 2 , Adulto , Niño , Atención a la Salud , Diabetes Mellitus Tipo 2/diagnóstico , Revelación , Grupos Focales , Humanos , Persona de Mediana Edad , Investigación Cualitativa
5.
Nat Commun ; 11(1): 4423, 2020 09 04.
Artículo en Inglés | MEDLINE | ID: mdl-32887889

RESUMEN

Deciphering the shared genetic basis of distinct cancers has the potential to elucidate carcinogenic mechanisms and inform broadly applicable risk assessment efforts. Here, we undertake genome-wide association studies (GWAS) and comprehensive evaluations of heritability and pleiotropy across 18 cancer types in two large, population-based cohorts: the UK Biobank (408,786 European ancestry individuals; 48,961 cancer cases) and the Kaiser Permanente Genetic Epidemiology Research on Adult Health and Aging cohorts (66,526 European ancestry individuals; 16,001 cancer cases). The GWAS detect 21 genome-wide significant associations independent of previously reported results. Investigations of pleiotropy identify 12 cancer pairs exhibiting either positive or negative genetic correlations; 25 pleiotropic loci; and 100 independent pleiotropic variants, many of which are regulatory elements and/or influence cross-tissue gene expression. Our findings demonstrate widespread pleiotropy and offer further insight into the complex genetic architecture of cross-cancer susceptibility.


Asunto(s)
Carcinogénesis/genética , Neoplasias/genética , Adulto , Anciano , Estudios de Casos y Controles , Femenino , Pleiotropía Genética , Predisposición Genética a la Enfermedad , Estudio de Asociación del Genoma Completo , Humanos , Masculino , Persona de Mediana Edad , Neoplasias/epidemiología , Polimorfismo de Nucleótido Simple , Medición de Riesgo , Factores de Riesgo , Población Blanca/genética
6.
Diabetes Care ; 43(5): 975-981, 2020 05.
Artículo en Inglés | MEDLINE | ID: mdl-32132007

RESUMEN

OBJECTIVE: The prevalence of type 2 diabetes is increasing among adults under age 45. Onset of type 2 diabetes at a younger age increases an individual's risk for diabetes-related complications. Given the lasting benefits conferred by early glycemic control, we compared glycemic control and initial care between adults with younger onset (21-44 years) and mid-age onset (45-64 years) of type 2 diabetes. RESEARCH DESIGN AND METHODS: Using data from a large, integrated health care system, we identified 32,137 adults (aged 21-64 years) with incident diabetes (first HbA1c ≥6.5% [≥48 mmol/mol]). We excluded anyone with evidence of prior type 2 diabetes, gestational diabetes mellitus, or type 1 diabetes. We used generalized linear mixed models, adjusting for demographic and clinical variables, to examine differences in glycemic control and care at 1 year. RESULTS: Of identified individuals, 26.4% had younger-onset and 73.6% had mid-age-onset type 2 diabetes. Adults with younger onset had higher initial mean HbA1c values (8.9% [74 mmol/mol]) than adults with onset in mid-age (8.4% [68 mmol/mol]) (P < 0.0001) and lower odds of achieving an HbA1c <7% (<53 mmol/mol) 1 year after the diagnosis (adjusted odds ratio [aOR] 0.70 [95% CI 0.66-0.74]), even after accounting for HbA1c at diagnosis. Adults with younger onset had lower odds of in-person primary care contact (aOR 0.82 [95% CI 0.76-0.89]) than those with onset during mid-age, but they did not differ in telephone contact (1.05 [0.99-1.10]). Adults with younger onset had higher odds of starting metformin (aOR 1.20 [95% CI 1.12-1.29]) but lower odds of adhering to that medication (0.74 [0.69-0.80]). CONCLUSIONS: Adults with onset of type 2 diabetes at a younger age were less likely to achieve glycemic control at 1 year following diagnosis, suggesting the need for tailored care approaches to improve outcomes for this high-risk patient population.


Asunto(s)
Diabetes Mellitus Tipo 2/sangre , Diabetes Mellitus Tipo 2/epidemiología , Control Glucémico , Adulto , Edad de Inicio , Glucemia/análisis , Glucemia/metabolismo , California/epidemiología , Complicaciones de la Diabetes/epidemiología , Diabetes Mellitus Tipo 2/diagnóstico , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Femenino , Hemoglobina Glucada/análisis , Hemoglobina Glucada/metabolismo , Control Glucémico/métodos , Control Glucémico/normas , Control Glucémico/estadística & datos numéricos , Humanos , Masculino , Metformina/uso terapéutico , Persona de Mediana Edad , Prevalencia , Sistema de Registros , Factores de Riesgo , Adulto Joven
7.
J Cancer Educ ; 35(5): 897-904, 2020 10.
Artículo en Inglés | MEDLINE | ID: mdl-31073869

RESUMEN

Best practices to facilitate high-quality shared decision-making for lung cancer screening (LCS) are not well established. In our LCS program, patients are first referred to attend a free group education class on LCS, taught by designated clinician specialists, before a personal shared decision-making visit is scheduled. We conducted an evaluation on  the effectiveness of this class to enhance patient knowledge and shared decision-making about LCS. For quality improvement purposes, participants were asked to complete one-page surveys immediately before and after class to assess knowledge and decision-making capacity regarding LCS. To evaluate knowledge gained, we tabulated the distributions of correct, incorrect, unsure, and missing responses to eight true-false statements included on both pre- and post-class surveys and assessed pre-post differences in the number of correct responses. To evaluate decision-making capacity, we tabulated the distributions of post-class responses to items on decision uncertainty. From June 2017 to August 2018, 680 participants completed both pre- and post-class surveys. Participants had generally poor baseline knowledge about LCS. The proportion who responded correctly to each knowledge-related statement increased pre- to post-class, with a mean difference of 0.9 (paired t test, p < 0.0001) in the total number of correct responses between surveys. About 70% reported having all the information needed to make a screening decision. Our results suggest that a well-designed group education class is an effective system-level approach for initially educating and equipping patients with appropriate knowledge to make informed decisions about LCS.


Asunto(s)
Toma de Decisiones , Detección Precoz del Cáncer/psicología , Conocimientos, Actitudes y Práctica en Salud , Neoplasias Pulmonares/diagnóstico , Educación del Paciente como Asunto/métodos , Anciano , Anciano de 80 o más Años , Escolaridad , Femenino , Humanos , Neoplasias Pulmonares/psicología , Masculino , Persona de Mediana Edad , Mejoramiento de la Calidad , Encuestas y Cuestionarios
8.
Opt Express ; 23(18): 23660-6, 2015 Sep 07.
Artículo en Inglés | MEDLINE | ID: mdl-26368463

RESUMEN

A novel mode-selective optical packet switching, based on mode-multiplexers/demultiplexers and multi-port optical micro-electro-mechanical systems (MEMS) switches, has been proposed and experimentally demonstrated. The experimental demonstration was performed using the LP(01), LP(11a) and LP(11b) modes of a 30-km long mode-division multiplexed few-mode fiber link, utilizing 40 Gb/s, 16-QAM signals.

10.
Opt Express ; 20(25): 27902-7, 2012 Dec 03.
Artículo en Inglés | MEDLINE | ID: mdl-23262735

RESUMEN

We report broadband, all-optical wavelength conversion over 100 nm span, in full S- and C-band, with positive conversion efficiency with low optical input power exploiting dual pump Four-Wave-Mixing in a Quantum Dot Semiconductor Optical Amplifier (QD-SOA). We also demonstrate by Error Vector Magnitude analysis the full transparency of the conversion scheme for coherent modulation formats (QPSK, 8-PSK, 16-QAM, OFDM-16QAM) in the whole C-band.


Asunto(s)
Amplificadores Electrónicos , Electrónica/instrumentación , Óptica y Fotónica/instrumentación , Puntos Cuánticos , Telecomunicaciones/instrumentación , Electrónica/métodos , Diseño de Equipo , Dispositivos Ópticos , Óptica y Fotónica/métodos , Semiconductores , Procesamiento de Señales Asistido por Computador/instrumentación
11.
Bone Marrow Transplant ; 47(1): 95-100, 2012 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-21358690

RESUMEN

To evaluate the incidence and risk factors for secondary solid tumors in Japan after allogeneic hematopoietic SCT (allo-HSCT), 2062 patients who had received allo-HSCT between 1984 and 2005 were retrospectively analyzed. Twenty-eight patients who developed 30 solid tumors were identified a median of 5.6 years after transplantation. The risk for developing tumors was 2.16-fold higher than that of the age- and sex-adjusted general population. The cumulative incidence of solid tumors at 10 years after allo-HSCT was 2.4%. The risk was significantly higher for tumors of the skin, oral cavity and esophagus (standard incidental ratio 40.23, 35.25 and 10.73, respectively). No increase in gastric, colon or lung cancer, despite being the most prevalent neoplasm in the Japanese, was observed. In multivariate analysis, occurrence of chronic GVHD and malignant lymphoma as a primary disease was associated with a higher risk for developing solid tumors. Eighteen patients are still alive, and their 5-year probability of survival since diagnosis of solid tumors is 59.7%. Our data suggest that the incidence and risk factors of secondary solid tumors in Japanese allo-HSCT recipients are comparable to those reported in Western countries and emphasize that the early detection of solid tumors has a crucial role in improving OS.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Linfoma/epidemiología , Linfoma/terapia , Neoplasias Primarias Secundarias/epidemiología , Adolescente , Adulto , Anciano , Niño , Enfermedad Crónica , Femenino , Enfermedad Injerto contra Huésped/epidemiología , Humanos , Incidencia , Japón/epidemiología , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Riesgo , Factores de Tiempo , Trasplante Homólogo
14.
Bone Marrow Transplant ; 46(3): 379-84, 2011 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-20577219

RESUMEN

We retrospectively investigated air-leak syndrome (ALS), including pneumothorax and mediastinal/s.c. emphysema, following allogeneic hematopoietic SCT. Eighteen patients (1.2%) developed ALS among 1515 undergoing SCT between 1994 and 2005 at the nine hospitals participating in the Kanto Study Group on Cell Therapy. The median onset of ALS was at 575 days (range: 105-1766) after SCT and 14 patients (77.8%) had experienced late onset noninfectious pulmonary complications (LONIPC) before ALS. Chronic GVHD (cGVHD) was the strongest risk factor for ALS (odds ratio 13.5, P=0.013 by multivariate analysis). Repeat SCT, male sex and age <38 years at the time of transplantation were also significant risk factors for ALS. Patients with ALS had a significantly worse survival rate than those without ALS (61.5 vs 14.9% at 3 years; P=0.000). The main cause of death was respiratory complications in 8 of the 18 patients. In conclusion, ALS is a rare complication of SCT that is more likely to occur in relatively young male patients with cGVHD and/or LONIPC. It is possible that better understanding and treatment of LONIPC may lead to prevention of ALS.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas/efectos adversos , Enfisema Mediastínico/etiología , Neumotórax/etiología , Adolescente , Adulto , Femenino , Trasplante de Células Madre Hematopoyéticas/métodos , Humanos , Japón , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Riesgo , Acondicionamiento Pretrasplante/efectos adversos , Acondicionamiento Pretrasplante/métodos , Adulto Joven
17.
Int J Lab Hematol ; 32(2): 222-9, 2010 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-19573175

RESUMEN

We retrospectively investigated 31 myelodysplastic syndrome (MDS) patients receiving myeloablative hematopoietic stem cell transplantation (HCT) and focused on prognostic factors affecting the long-term outcome. Patients were classified according to the French-American-British classification and the HCT-comorbidity index was determined. Cytosine arabinoside or thiotepa combined with cyclophosphamide and total body irradiation was used as myeloablative conditioning in eight and 23 patients respectively. After a follow-up period of 0.8-14.2 years from transplantation (median: 6.4 years), 23 patients were alive in complete remission, and the 5-year overall survival (OS) and disease-free survival (DFS) rates were 79% and 72% respectively. The cumulative nonrelapse mortality (NRM) rate was 22% at 5 years. According to multivariate analysis, > or =20% blasts in the bone marrow and an HCT-comorbidity score > or = 3 were significantly associated with poor OS and DFS. Patients with a high HCT-comorbidity score and male patients receiving transplantation from female donors were significantly more likely to have a higher NRM according to the univariate, but not the multivariate analysis. These data suggest that comorbidity and the tumor burden at the time of transplantation may be useful variables for predicting the outcome in MDS patients receiving myeloablative HCT.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Síndromes Mielodisplásicos/terapia , Adulto , Factores de Edad , Biomarcadores de Tumor/sangre , Supervivencia sin Enfermedad , Femenino , Humanos , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Retrospectivos , Resultado del Tratamiento , Carga Tumoral
18.
Bone Marrow Transplant ; 43(2): 159-67, 2009 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-18762758

RESUMEN

The muscle-related complications of fasciitis and myositis, caused by chronic GVHD after Allo-SCT are relatively rare, but at times will severely impair a patient's quality of life (QOL). We performed a retrospective analysis in Japanese Allo-SCT recipients to identify the incidence, risk factors and clinical features of fasciitis and myositis. In 1967 patients who underwent Allo-SCT between January 1994 and March 2005 and survived beyond 90 days post transplantation, eight patients developed fasciitis and nine patients developed myositis, with a 5-year cumulative incidence of 0.55% and 0.54%, respectively. The median time from SCT to the development of fasciitis and myositis was 991 and 660 days, respectively. PBSCT was a risk factor for developing fasciitis, but no risk factors were found for myositis. The response to immunosuppressive treatment was better in patients with myositis than fasciitis, and the overall survival after developing these symptoms was better in patients with myositis than those with fasciitis. An early diagnosis by a biopsy, which includes fascia and muscle or magnetic resonance imaging (MRI) and prompt treatment may be important to prevent an impairment of the patient's QOL with persistent disability.


Asunto(s)
Fascitis/etiología , Enfermedad Injerto contra Huésped/complicaciones , Miositis/etiología , Trasplante de Células Madre/efectos adversos , Adolescente , Adulto , Anciano , Enfermedad Crónica , Fascitis/inmunología , Fascitis/patología , Fascitis/terapia , Femenino , Enfermedad Injerto contra Huésped/inmunología , Humanos , Terapia de Inmunosupresión , Masculino , Persona de Mediana Edad , Miositis/inmunología , Miositis/patología , Miositis/terapia , Calidad de Vida , Estudios Retrospectivos , Factores de Riesgo , Resultado del Tratamiento , Adulto Joven
19.
Bone Marrow Transplant ; 36(10): 867-72, 2005 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-16113659

RESUMEN

Disease-free survival in Philadelphia chromosome-positive ALL (Ph + ALL) is very poor, and allogeneic hematopoietic stem cell transplantation (allo-HSCT) is currently considered the only procedure with curative potential. To identify factors affecting transplant outcome, we analyzed the data from 197 Ph + ALL patients aged 16 years or older who had undergone allo-HSCT. The 5-year survival rates were 34% for patients in first complete remission (CR), 21% for those in second or subsequent CR, and 9% for those with active disease (P < 0.0001). Multivariate analysis showed four pre-transplant factors as significantly associated with better survival: younger age, CR at the time of transplantation, conditioning with total body irradiation, and HLA-identical sibling donor (P < 0.0001, P < 0.0001, P = 0.0301, P = 0.0412, respectively). Severe acute GVHD increased the risk of treatment-related mortality (TRM) without diminishing the risk of relapse, whereas chronic GVHD reduced the risk of relapse without increasing the risk of TRM. Thus, patients who developed extensive chronic GVHD had better survivals (P = 0.0217), and those who developed grade III-IV acute GVHD had worse survivals (P = 0.0023) than did the others.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas/métodos , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Acondicionamiento Pretrasplante/métodos , Adolescente , Adulto , Anciano , Enfermedad Crónica , Femenino , Enfermedad Injerto contra Huésped/mortalidad , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Trasplante de Células Madre Hematopoyéticas/mortalidad , Trasplante de Células Madre Hematopoyéticas/estadística & datos numéricos , Humanos , Masculino , Persona de Mediana Edad , Agonistas Mieloablativos/uso terapéutico , Leucemia-Linfoma Linfoblástico de Células Precursoras/complicaciones , Leucemia-Linfoma Linfoblástico de Células Precursoras/mortalidad , Recurrencia , Sistema de Registros , Estudios Retrospectivos , Análisis de Supervivencia , Acondicionamiento Pretrasplante/mortalidad , Acondicionamiento Pretrasplante/estadística & datos numéricos , Trasplante Homólogo , Irradiación Corporal Total/estadística & datos numéricos
20.
Leuk Lymphoma ; 46(4): 561-6, 2005 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-16019484

RESUMEN

Here we describe 2 patients with acute leukemia in whom human herpesvirus-6 (HHV-6) encephalitis developed after cord blood transplantation. In patients 1 and 2, generalized seizure and coma developed on day 62 and day 15, respectively, after cord blood transplantation, which failed to engraft in patient 1. Magnetic resonance imaging (MRI) of patient 1's brain showed low-intensity signals at the gyri of the bilateral lateral lobes on T1-weighted images and high-intensity signals on T2-weighted images. MRI of patient 2's brain showed high-intensity signals in bilateral white matter on T2-weighted images and on fluid-attenuated inversion recovery (FLAIR) images. Cerebrospinal fluid examination revealed an increased protein level with pleocytosis in patient 1 and a normal protein level without pleocytosis in patient 2. Polymerase chain reaction analysis detected HHV-6 DNA in the cerebrospinal fluid of both patients. Patient 1 recovered after administration of gancyclovir for 3 weeks. However, she again suffered from encephalitis after discontinuation of gancyclovir, and died of sepsis. Patient 2 died from an anoxic brain caused by generalized seizure. When neurological symptoms and signs appear in hematopoietic stem cell transplantation recipients, we should consider HHV-6 encephalitis and promptly and empirically treat them with gancyclovir or foscarnet.


Asunto(s)
Trasplante de Células Madre de Sangre del Cordón Umbilical/efectos adversos , Encefalitis Viral/diagnóstico , Herpesvirus Humano 6 , Leucemia Monocítica Aguda/terapia , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Infecciones por Roseolovirus/diagnóstico , Adulto , Encefalitis Viral/líquido cefalorraquídeo , Encefalitis Viral/etiología , Resultado Fatal , Femenino , Humanos , Persona de Mediana Edad , Infecciones por Roseolovirus/líquido cefalorraquídeo , Infecciones por Roseolovirus/etiología
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