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1.
ORL J Otorhinolaryngol Relat Spec ; 82(5): 235-244, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32396900

RESUMEN

INTRODUCTION: Recent studies have reported that elevated levels of platelets and inflammatory markers are associated with poor treatment outcomes among patients with solid tumours, but reports are conflicting in head and neck cancer (HNC) patients. OBJECTIVE: To establish if pre-treatment anti-inflammatory markers can be used as a prognostic tool of overall survival and tumour control among HNC patients. METHODS: We retrospectively reviewed the pre-treatment platelet/lymphocyte ratio (PLR) and neutrophil/lymphocyte ratio (NLR) of 147 HNC patients from 2014 to 2018 and analysed their association with tumour progression and overall treatment outcomes. The optimal cut-off was established at >200 for high PLR and >2.85 for high NLR. RESULTS: After adjusting for age, disease stage, and treatment, patients with higher PLR had an almost 3 times higher risk of mortality during the study period than patients with normal PLR (hazard ratio [HR] 2.79, 95% confidence interval [CI] 1.43-5.47, p < 0.01). Furthermore, the patients with higher NLR had an >2.5 times higher risk of mortality than those with normal NLR (HR 2.62, 95% CI 1.19-5.81, p = 0.02). CONCLUSION: This observational study shows that elevated PLR and NLR in HNC patients, who were treated with either surgery or primarily chemoradiotherapy, are associated with poor overall survival.


Asunto(s)
Neoplasias de Cabeza y Cuello , Linfocitos , Neoplasias de Cabeza y Cuello/diagnóstico , Neoplasias de Cabeza y Cuello/terapia , Humanos , Neutrófilos , Pronóstico , Estudios Retrospectivos
2.
Laryngoscope ; 134(5): 2038-2047, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-37812168

RESUMEN

OBJECTIVE: This study is a systematic review and meta-analysis of the efficacy and safety of sirolimus in the management of pediatric cervicofacial lymphatic malformations (LMs). DATA SOURCES: EMBASE, Medline, Scopus, and Cochrane databases were searched, along with the reference list of all included articles. REVIEW METHODS: The study protocol was registered with PROSPERO and a systematic literature search strategy was designed and conducted with the aid of a medical librarian. All studies including case reports were included, with pooled analysis of raw data. A meta-analysis was conducted of magnetic resonance imaging (MRI), clinical, and airway outcomes. RESULTS: Thirteen case series and five individual case reports were included. Meta-analysis showed 78% (95% CI 57%-94%) of 62 patients had a reduction in LM volume, on MRI criteria, by 20% or more, and 32% (95% CI 11%-57%) had a reduction of 50% or more. Further meta-analysis showed 97% (95% CI 88%-100%) of 78 patients reported some clinical improvement on sirolimus. Sirolimus may be of particular value in management of airway LMs; out of 27 tracheostomy-dependent patients, meta-analysis showed 33% (95% CI 1%-78%) were decannulated after starting sirolimus. Individual patient meta-analysis on 24 individuals showed a statistically significant better response to sirolimus when initiated under the age of 2 years. CONCLUSION: This review and meta-analysis support the efficacy of sirolimus in pediatric LMs of the head, neck, and airway. A large multi-center trial is needed to further explore its role and limitations. Laryngoscope, 134:2038-2047, 2024.


Asunto(s)
Anomalías Linfáticas , Sirolimus , Humanos , Niño , Preescolar , Sirolimus/uso terapéutico , Resultado del Tratamiento , Cuello , Anomalías Linfáticas/tratamiento farmacológico , Traqueostomía
3.
J Immunol ; 185(1): 134-43, 2010 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-20498355

RESUMEN

The ectonucleotidase CD39 has recently been described as being highly expressed on regulatory Foxp3(+) CD4 T cells. Through hydrolysis of proinflammatory extracellular ATP, CD39 activity represents a newly described mechanism of regulatory T cell action. We report a novel population of human CD4 T cells that express CD39 yet are Foxp3 negative. These cells produce the proinflammatory cytokines IFN-gamma and IL-17 and fail to suppress proliferation; however, they still have high ATP hydrolysis activity. In the inflammatory site in human juvenile idiopathic arthritis, the CD39(+)Foxp3(-) population is greatly increased compared with peripheral blood of patients or healthy controls. We also show that cells expressing the AMPase CD73 are less frequent in the joint than in blood. To our knowledge, this is the first study to describe and characterize CD39 function on CD4 T cells from the target site in a human autoinflammatory condition. Our data suggest that in human CD4(+) T cells from the inflamed site, CD39 can be highly expressed on two populations, one regulatory and the other of a memory phenotype.


Asunto(s)
Antígenos CD/biosíntesis , Apirasa/biosíntesis , Artritis Juvenil/inmunología , Enfermedades Autoinmunes/inmunología , Linfocitos T CD4-Positivos/inmunología , Regulación Enzimológica de la Expresión Génica/inmunología , Memoria Inmunológica , Mediadores de Inflamación/metabolismo , Subgrupos de Linfocitos T/enzimología , Adolescente , Artritis Juvenil/enzimología , Artritis Juvenil/patología , Enfermedades Autoinmunes/enzimología , Enfermedades Autoinmunes/patología , Linfocitos T CD4-Positivos/enzimología , Linfocitos T CD4-Positivos/patología , Niño , Femenino , Humanos , Inmunofenotipificación , Inflamación/enzimología , Inflamación/inmunología , Inflamación/patología , Mediadores de Inflamación/fisiología , Masculino , Subgrupos de Linfocitos T/inmunología , Subgrupos de Linfocitos T/patología , Linfocitos T Reguladores/enzimología , Linfocitos T Reguladores/inmunología , Linfocitos T Reguladores/patología
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