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1.
Am J Hum Biol ; : e24079, 2024 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-38558424

RESUMEN

The Developmental Origins of Health and Disease hypothesis (DOHaD) proposes that growth during the prenatal period might play a critical role in health, affecting the development of diseases, such as osteoporosis. Bone health is particularly affected by human behaviors when sports participation constitutes the main manifestation of physical exercise. The aim of this study is to analyze the relationship between birth weight (BW) and bone mineral content (BMC) among adolescents, as well as to identify if sports participation and maturity can affect this relationship. The sample was composed of adolescents with ages ranging from 11 to 18 years, stratified according to normal birth weight (n = 331), low birth weight (n = 36), and macrosomia (n = 47), extracted from a wider cross-sectional study (ABCD Growth Study). BW was self-reported by the adolescent's parent. Sports participation was assessed by face-to-face interview. BMC was assessed using dual-energy X-ray absorptiometry. In the multivariate models, the relationships between BW and BMC remained non-significant, while sports participation was significantly related to BMC on lower limbs among boys (r = 0.154; p value = .001) and BMC of upper limbs among girls (r = 0.124; p value = .044). APHV was related to BMC of upper limbs among boys (r = 0.137; p value = .001). In conclusion, BMC was not affected by BW, while this phenomenon seems to be significantly affected by the positive impact of sports participation and maturation on it.

2.
Ann Pharmacother ; 56(2): 162-169, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-34049441

RESUMEN

BACKGROUND: Treatment eradication rates of Helicobacter pylori, a gastrointestinal infection, are 70% to 90% in clinical studies but lower in real-world settings. Potential barriers include multidrug regimen complexity or prescribing/administration errors. A pharmacist-managed H pylori treatment service was implemented to address these barriers and optimize treatment outcomes. The clinical pharmacist provided 2 services: (1) treatment education and monitoring for treatment-naïve patients and (2) treatment initiation, education, and monitoring for treatment-experienced patients. OBJECTIVE: We aimed to evaluate the impact of a pharmacist-managed H pylori treatment service within a gastroenterology clinic. METHODS: We conducted a retrospective observational cohort study of all patients referred to and seen in the pharmacist-managed H pylori treatment service from July 10, 2019, to December 31, 2020. Patient demographics, prior treatment history, course(s) of treatment prescribed, frequency of follow-ups, and outcomes posttreatment were collected. RESULTS: The clinical pharmacist managed 60 referrals for 55 unique patients over a mean of 5 ± 2 visits. Five patients failed H pylori treatment and were re-referred. Identified barriers included prescribing/dispensing and administration errors. Posttreatment, 38 referrals tested for H pylori eradication, of which 100% of treatment-naïve patients and 69% of treatment-experienced patients were cured, and 13 (22%) referrals were lost to follow-up. CONCLUSION AND RELEVANCE: This study described and assessed the impact of a pharmacist-managed H pylori treatment service in a gastroenterology clinic, in which various barriers were effectively addressed to optimize treatment outcomes. Future studies should focus on long-term outcome, impact on health care costs, and patient satisfaction with this service.


Asunto(s)
Gastroenterología , Infecciones por Helicobacter , Helicobacter pylori , Infecciones por Helicobacter/tratamiento farmacológico , Humanos , Farmacéuticos , Estudios Retrospectivos , Resultado del Tratamiento , Flujo de Trabajo
3.
Matern Child Health J ; 26(11): 2293-2299, 2022 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-36125671

RESUMEN

STUDY OBJECTIVE: Different behaviors are considered important factors that may influence a healthy lifestyle. Given this fact, we aim to analyze the relationship between moderate-vigorous physical activity (MVPA), sleep time, and sedentary time, with cardiometabolic outcomes in adolescents. METHODS: Cross-sectional study, with 152 eutrophic and healthy adolescents. The behavioral variables were collected objectively and the arterial thickness was measured through ultrasound. Blood variables (LDL, TG, HDL, glucose, and insulin) were collected in a private laboratory. To analyze the data, the Student t test and Kruskal-Wallis test were used to compare the groups. All analyses adopted p < 0.05. RESULTS: Girls who demonstrated better combined behaviors, presented significant results for TG (p = 0.045), BP (p = 0.016), and cardiovascular score (p = 0.049) when compared to their peers. Furthermore, the practice of physical activity combined with sufficient sleep time was associated with lower values of arterial thickening (p = 0.017). CONCLUSIONS: In view of the results presented, it is possible to state that the aggregation of behaviors was more consistent in females and that the practice of physical activity and adequate sleep time can reflect on cardiovascular health.


Asunto(s)
Ejercicio Físico , Conducta Sedentaria , Femenino , Adolescente , Humanos , Proyectos Piloto , Estudios Transversales , Sueño , Insulina , Glucosa
4.
Gastrointest Endosc ; 94(1): 60-67.e1, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-33385462

RESUMEN

BACKGROUND AND AIMS: Portal pressure can be used to identify patients with chronic liver disease who have progressed to cirrhosis. Portal pressure can also provide accurate prognostication for patients with cirrhosis. However, there are no practical means for assessment of portal pressure. Although it is well established that the gastric mucosal blood supply increases in patients with cirrhosis, this has been difficult to quantify reproducibly. Our group has developed a novel spectroscopic technology called spatially resolved subdiffuse reflectance spectroscopy (SRSRS), which enables quantification of mucosal microcirculation. We aim to ascertain if quantification of the gastric mucosal microcirculation with SRSRS correlates with clinical evidence of portal hypertension. METHODS: Patients undergoing EGD for clinical indications had 10 measurements taken in the endoscopically normal gastric fundus via SRSRS probe to assess the microcirculation. Cases were defined as patients with cirrhosis (n = 18), and controls were those without evidence of liver disease (n = 18); this was corroborated with transient elastography. RESULTS: The blood volume fraction (P = .06) and subdiffuse reflectance (P = .02) from a shallow depth in the gastric fundus were higher in patients with cirrhosis than those without. These markers were combined to yield an overall optical marker that can differentiate patients with cirrhosis from controls with a sensitivity of 72% and specificity of 94% (area under receiver operating curve, 0.82). CONCLUSIONS: Spectroscopic quantification of gastric fundal mucosal microcirculation is a promising surrogate of clinical correlates of portal hypertension. This approach may represent a less-intrusive surrogate biomarker for liver disease prognostication and potentially response to therapy.


Asunto(s)
Hipertensión Portal , Biomarcadores , Mucosa Gástrica , Humanos , Hipertensión Portal/diagnóstico por imagen , Cirrosis Hepática/complicaciones , Cirrosis Hepática/diagnóstico por imagen , Microcirculación , Análisis Espectral
5.
J Clin Gastroenterol ; 53(8): 616-620, 2019 09.
Artículo en Inglés | MEDLINE | ID: mdl-30614943

RESUMEN

GOALS: To determine whether diabetic patients with hepatitis C virus (HCV) treated with direct-acting antiviral agents have improved diabetes, accounting for change in both hemoglobin A1c (HbA1c) and diabetes medications, and whether any improvement was sustained. BACKGROUND: HCV infection is associated with an increased risk of diabetes, with improvement in glycemic control after eradication. There remains uncertainty about the durability and magnitude of this effect. STUDY: HbA1c and diabetes medications were recorded at 6-month intervals for 1.5 years pretreatment and posttreatment for 122 patients. Subjects were classified as having improved diabetes if there was a decrease in HbA1c≥0.5% with no increase in diabetes medications or a decrease in diabetes medications with a stable HbA1c. RESULTS: HbA1c at the nearest time point before treatment was 8.4%±1.9%, compared with 7.8%±1.7% after treatment, a mean difference of 0.6% [95% CI (0.2, 0.9), P<0.01]. A linear mixed effects model incorporating each subject's repeated measurements over time also demonstrated a reduction after treatment of 0.5% [95% CI, (0.3, 0.8), P<0.001]. Accounting for both HbA1c and diabetes medications, 42 of 122 (34%) had an improvement in diabetes after HCV treatment, and 20 of 28 (71%) of these subjects sustained improvement at 1.5 years follow-up. Prescription of insulin was associated with improved diabetes. CONCLUSIONS: Treatment of HCV with direct-acting antiviral agents was associated with improved diabetes in a significant portion of patients with an average reduction in HbA1c of clinically significant magnitude. Among responders, this effect was sustained over 1.5 years of follow-up.


Asunto(s)
Antivirales/uso terapéutico , Diabetes Mellitus Tipo 2 , Hepatitis C Crónica/tratamiento farmacológico , Anciano , Glucemia/metabolismo , Femenino , Hemoglobina Glucada/metabolismo , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos
6.
Dig Dis Sci ; 64(7): 2031-2038, 2019 07.
Artículo en Inglés | MEDLINE | ID: mdl-30945037

RESUMEN

BACKGROUND: Studies have shown the efficacy of hepatitis B (HBV) vaccination in patients with inflammatory bowel disease (IBD) is impaired, but few data exist regarding the effectiveness of revaccination strategies following primary vaccination failure. Our aim was to analyze the association between administration of additional vaccine doses and hepatitis B surface antibody (HBsAb) seroconversion. METHODS: This is a retrospective cohort study. Inclusion criteria are as follows: age ≥ 18, diagnosis of Crohn's disease (CD) or ulcerative colitis (UC), inadequate HBsAb < 10 IU/L following initial HBV vaccination series, subsequent administration of 1-3 additional doses of HBV vaccine with follow-up serum HBsAb measurements. Patients were stratified into groups of ≤ 2 or 3 doses received. Primary outcome was achieving HBsAb > 10 IU/L. Outcomes were stratified by age ≥ or < 40 years. We performed logistic and linear multivariable regression analyses for categorical and continuous data. RESULTS: The study cohort consists of (n = 149) 54.4% women; 77.9% white; 72.6% with CD, with mean age: 46.2. Patients of all ages and age ≥ 40 years, who received 3 additional doses of vaccine, were more likely to achieve seroprotective HBsAb levels than patients who received 1 or 2 doses (OR 1.77, P = 0.01; OR 1.9, P = 0.03, respectively, after adjusting for age, sex, race, immunosuppressive medication exposure, time between vaccine/titer). CONCLUSIONS: Following initial HBV vaccination failure, patients with IBD of all ages are more likely to develop seroprotective levels of HBsAb following 3 additional vaccine doses, rather than 1 or 2 alone. In patients who fail primary HBV vaccination, providers should consider a more aggressive revaccination strategy with an additional 3-dose series.


Asunto(s)
Corticoesteroides/efectos adversos , Colitis Ulcerosa/tratamiento farmacológico , Enfermedad de Crohn/tratamiento farmacológico , Anticuerpos contra la Hepatitis B/sangre , Vacunas contra Hepatitis B/administración & dosificación , Inmunización , Inmunogenicidad Vacunal , Inmunosupresores/efectos adversos , Inhibidores del Factor de Necrosis Tumoral/efectos adversos , Adulto , Biomarcadores/sangre , Colitis Ulcerosa/sangre , Colitis Ulcerosa/inmunología , Enfermedad de Crohn/diagnóstico , Enfermedad de Crohn/inmunología , Femenino , Humanos , Huésped Inmunocomprometido , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Tiempo , Insuficiencia del Tratamiento
7.
Dig Dis Sci ; 63(12): 3241-3249, 2018 12.
Artículo en Inglés | MEDLINE | ID: mdl-30078116

RESUMEN

BACKGROUND: Treatment of hepatitis C virus (HCV) with direct-acting antiviral (DAA) regimens has resulted in high rates of sustained virologic response (SVR). Treatment of vulnerable populations may be improved by incorporating an on-site intensive specialty pharmacy (ON-ISP). AIMS: To describe outcomes of HCV treatment at a safety-net hospital and proportion of subjects achieving SVR for those using the ON-ISP compared to an off-site pharmacy (OFF-SP). METHODS: A retrospective cohort study of 219 subjects treated for HCV with DAA at Boston Medical Center was conducted. Subject characteristics, virologic response, and pharmacy services used were recorded. We used multivariable logistic regression to test the association between ON-ISP and SVR after adjusting for covariates. RESULTS: SVR occurred in 71% of subjects by intention-to-treat (73% among ON-ISP users vs 57% among OFF-SP users) and 95% completing treatment per-protocol (96% among ON-ISP users vs 87% among OFF-SP users). Adjustment for age, sex, ethnicity, insurance, fibrosis, prior treatment, and MELD revealed an increased likelihood of SVR among users of ON-ISP: OR 6.0 (95% CI 1.18-31.0). No significant difference in treatment delay or adverse events was seen among users of either pharmacy type. CONCLUSIONS: HCV treatment with DAA was well tolerated, but the rate of SVR was low (71%) compared to trials. This was due to loss to follow-up, as the per-protocol rate of SVR was much higher (95%). Use of ON-ISP was associated with an increase in SVR and may be valuable for improving care for vulnerable populations.


Asunto(s)
Antivirales/uso terapéutico , Hepacivirus , Hepatitis C , Servicios Farmacéuticos , Femenino , Hepacivirus/efectos de los fármacos , Hepacivirus/aislamiento & purificación , Hepatitis C/diagnóstico , Hepatitis C/tratamiento farmacológico , Hepatitis C/epidemiología , Humanos , Perdida de Seguimiento , Masculino , Persona de Mediana Edad , Servicios Farmacéuticos/estadística & datos numéricos , Servicios Farmacéuticos/provisión & distribución , Mejoramiento de la Calidad/organización & administración , Estudios Retrospectivos , Respuesta Virológica Sostenida , Estados Unidos/epidemiología , Poblaciones Vulnerables/estadística & datos numéricos
8.
Alcohol Clin Exp Res ; 37(9): 1527-35, 2013 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-23647488

RESUMEN

BACKGROUND: The effect of alcohol on liver disease in HIV infection has not been well characterized. METHODS: We performed a cross-sectional multivariable analysis of the association between lifetime alcohol use and liver fibrosis in a longitudinal cohort of HIV-infected patients with alcohol problems. Liver fibrosis was estimated with 2 noninvasive indices, "FIB-4," which includes platelets, liver enzymes, and age; and aspartate aminotransferase/platelet ratio index ("APRI"), which includes platelets and liver enzymes. FIB-4 <1.45 and APRI <0.5 defined the absence of liver fibrosis. FIB-4 >3.25 and APRI >1.5 defined advanced liver fibrosis. The main independent variable was lifetime alcohol consumption (<150 kg, 150 to 600 kg, >600 kg). RESULTS: Subjects (n = 308) were 73% men, mean age 43 years, 49% with hepatitis C virus (HCV) infection, 60% on antiretroviral therapy, 49% with an HIV RNA load <1,000 copies/ml, and 18.7% with a CD4 count <200 cells/mm(3) . Forty-five percent had lifetime alcohol consumption >600 kg, 32.7% 150 to 600 kg, and 22.3% <150 kg; 33% had current heavy alcohol use, and 69% had >9 years of heavy episodic drinking. Sixty-one percent had absence of liver fibrosis and 10% had advanced liver fibrosis based on FIB-4. In logistic regression analyses, controlling for age, gender, HCV infection, and CD4 count, no association was detected between lifetime alcohol consumption and the absence of liver fibrosis (FIB-4 <1.45) (adjusted odds ratio [AOR] = 1.12 [95% CI: 0.25 to 2.52] for 150 to 600 kg vs. <150 kg; AOR = 1.11 [95% CI: 0.52 to 2.36] for >600 kg vs. <150 kg; global p = 0.95). Additionally, no association was detected between lifetime alcohol use and advanced liver fibrosis (FIB-4 >3.25). Results were similar using APRI, and among those with and without HCV infection. CONCLUSIONS: In this cohort of HIV-infected patients with alcohol problems, we found no significant association between lifetime alcohol consumption and the absence of liver fibrosis or the presence of advanced liver fibrosis, suggesting that alcohol may be less important than other known factors that promote liver fibrosis in this population.


Asunto(s)
Consumo de Bebidas Alcohólicas/epidemiología , Alcoholismo/epidemiología , Infecciones por VIH/epidemiología , Hepatitis C/epidemiología , Cirrosis Hepática/epidemiología , Adulto , Consumo de Bebidas Alcohólicas/patología , Alcoholismo/diagnóstico , Estudios de Cohortes , Coinfección/diagnóstico , Coinfección/epidemiología , Estudios Transversales , Femenino , Infecciones por VIH/diagnóstico , Hepatitis C/diagnóstico , Humanos , Cirrosis Hepática/diagnóstico , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Vigilancia de la Población/métodos , Estudios Prospectivos
9.
Ther Adv Med Oncol ; 15: 17588359231195600, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37720494

RESUMEN

Background: The optimal duration of immune checkpoint inhibitor (ICI) treatment for patients with advanced non-small cell lung cancer (NSCLC) remains to be determined. Treatment durations in cornerstone phase 3 clinical trials vary between a fixed 2-year duration and pursuit until disease progression. Clinical practices may thus differ according to the attending physician. Objectives: Here we provide real-world data about treatment decisions at 2 years, with subsequent clinical outcomes. Design and Methods: This multicentric observational study included patients with advanced NSCLC whose disease was controlled after 2 years of pembrolizumab or nivolumab. The primary outcome was the decision to discontinue ICI treatment or not, along with factors motivating this decision. Secondary outcomes included progression-free survival (PFS) (according to treatment continuation or not) and adverse events. Results: A total of 91 patients were included, of which 60 (66%) had been pre-treated. The programmed death-ligand 1 expression level was ⩾50% in 43 patients (47%). In 61 patients (67%), ICI was continued after 2 years of treatment. This decision was significantly associated with the care center (p < 0.001) but neither with the tumor response at 2 years, as evaluated by CT scan or PET scan, nor with clinical status, immune-related adverse events, or previous locally treated oligo-progressive disease under ICI. Two years after the 2-year decision, PFS was 68.5%, [95% confidence interval (CI) (53.3-88.0)] in the 'ICI discontinuation' group and 64.1% [95% CI (51.9-79.2)] in the 'ICI pursuit' group; hazard ratio for relapse was 1.14 [95% CI (0.54-2.30), p = 0.77]. The overall survival rate at 24 months after discontinuation was 89.2% [95% CI (78.4-100)] for the 'discontinuation' group and 93.1% [95% CI (85.8-100)] for the 'pursuit' group. Given insufficient power, overall survival could not be compared. Conclusion: The decision to continue ICI or not after 2 years of treatment depends mainly on the care center and does not seem to impact survival. Larger, randomized data sets are required to confirm this result.

10.
J Thromb Haemost ; 21(8): 2213-2222, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-37230416

RESUMEN

BACKGROUND: Patients hospitalized with COVID-19 suffer thrombotic complications. Risk factors for poor outcomes are shared with coronary artery disease. OBJECTIVES: To investigate the efficacy of an acute coronary syndrome regimen in patients hospitalized with COVID-19 and coronary disease risk factors. METHODS: A randomized controlled, open-label trial across acute hospitals (United Kingdom and Brazil) added aspirin, clopidogrel, low-dose rivaroxaban, atorvastatin, and omeprazole to standard care for 28 days. Primary efficacy and safety outcomes were 30-day mortality and bleeding. The key secondary outcome was a daily clinical status (at home, in hospital, on intensive therapy unit admission, or death). RESULTS: Three hundred twenty patients from 9 centers were randomized. The trial terminated early due to low recruitment. At 30 days, there was no significant difference in mortality (intervention vs control, 11.5% vs 15%; unadjusted odds ratio [OR], 0.73; 95% CI, 0.38-1.41; p = .355). Significant bleeds were infrequent and were not significantly different between the arms (intervention vs control, 1.9% vs 1.9%; p > .999). Using a Bayesian Markov longitudinal ordinal model, it was 93% probable that intervention arm participants were more likely to transition to a better clinical state each day (OR, 1.46; 95% credible interval [CrI], 0.88-2.37; Pr [beta > 0], 93%; adjusted OR, 1.50; 95% CrI, 0.91-2.45; Pr [beta > 0], 95%) and median time to discharge to home was 2 days shorter (95% CrI, -4 to 0; 2% probability that it was worse). CONCLUSION: Acute coronary syndrome treatment regimen was associated with a reduction in the length of hospital stay without an excess in major bleeding. A larger trial is needed to evaluate mortality.


Asunto(s)
Síndrome Coronario Agudo , COVID-19 , Humanos , SARS-CoV-2 , Síndrome Coronario Agudo/diagnóstico , Síndrome Coronario Agudo/tratamiento farmacológico , Teorema de Bayes , Aspirina/uso terapéutico , Hemorragia/inducido químicamente , Hemorragia/tratamiento farmacológico , Resultado del Tratamiento
11.
Sensors (Basel) ; 12(2): 1688-701, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-22438732

RESUMEN

As the Internet evolved, social networks (such as Facebook) have bloomed and brought together an astonishing number of users. Mashing up mobile phones and sensors with these social environments enables the creation of people-centric sensing systems which have great potential for expanding our current social networking usage. However, such systems also have many associated technical challenges, such as privacy concerns, activity detection mechanisms or intermittent connectivity, as well as limitations due to the heterogeneity of sensor nodes and networks. Considering the openness of the Web 2.0, good technical solutions for these cases consist of frameworks that expose sensing data and functionalities as common Web-Services. This paper presents our RESTful Web Service-based model for people-centric sensing frameworks, which uses sensors and mobile phones to detect users' activities and locations, sharing this information amongst the user's friends within a social networking site. We also present some screenshot results of our experimental prototype.


Asunto(s)
Actigrafía/instrumentación , Teléfono Celular , Sistemas de Información Geográfica/instrumentación , Internet , Monitoreo Ambulatorio/instrumentación , Apoyo Social , Interfaz Usuario-Computador , Diseño de Equipo , Análisis de Falla de Equipo , Transductores
12.
PLoS One ; 17(5): e0268478, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35560032

RESUMEN

BACKGROUND: Direct-acting antivirals (DAA) are highly effective at treating Hepatitis C virus (HCV) infection, with a cure rate >95%. However, the effect of DAAs on kidney function remains debated. METHODS: We analyzed electronic health record data for DAA-naive patients with chronic HCV infection engaged in HCV care at Boston Medical Center between 2014 and 2018. We compared the following hypothetical interventions using causal inference methods: 1) initiation of DAA and 2) no DAA initiation. For patients with normal kidney function at baseline (eGFR>90 ml/min/1.73m2), we estimated and compared the risk for reaching Stage 3 chronic kidney disease (CKD) (eGFR≤60 ml/min/1.73m2) under each intervention. For patients with baseline CKD Stages 2-4 (15

Asunto(s)
Hepatitis C Crónica , Hepatitis C , Insuficiencia Renal Crónica , Antivirales/efectos adversos , Femenino , Hepacivirus , Hepatitis C/complicaciones , Hepatitis C/tratamiento farmacológico , Hepatitis C Crónica/complicaciones , Hepatitis C Crónica/tratamiento farmacológico , Humanos , Riñón , Masculino , Insuficiencia Renal Crónica/tratamiento farmacológico
13.
Healthcare (Basel) ; 10(2)2022 Jan 31.
Artículo en Inglés | MEDLINE | ID: mdl-35206892

RESUMEN

Herb-induced liver injury (HILI) can be caused by supplements containing herbs, natural products, and products used in traditional medicine. Herbal products' most common adverse reaction is hepatotoxicity. Almost every plant part can be used to make herbal products, and these products can come in many different forms, such as teas, powders, oils, creams, capsules, and injectables. HILI incidence and prevalence are hard to estimate and vary from study to study because of insufficient large-scale prospective studies. The diagnosis of HILI is a challenging process that requires not only insight but also a high degree of suspicion by the clinician. HILI presents with unspecific symptoms and is a diagnosis of exclusion. For diagnosis, it is necessary to make a causality assessment; the Council for International Organizations of Medical Sciences assessment is the preferred method worldwide. The most effective treatment is the suspension of the use of the suspected herbal product and close monitoring of liver function. The objective of this review is to highlight the necessary steps for the clinician to follow to reach a correct diagnosis of herb-induced liver injury. Further studies of HILI are needed to better understand its complexity and prevent increased morbidity and mortality.

14.
J Racial Ethn Health Disparities ; 9(2): 691-697, 2022 04.
Artículo en Inglés | MEDLINE | ID: mdl-33694125

RESUMEN

BACKGROUND: Covid-19 toll is disproportionate in Blacks although the mechanisms remain incompletely understood. From a biological perspective, several host proteins have received most attention as logical susceptibility targets. Specifically, angiotensin-converting enzyme 2 (ACE2) serves as the epithelial cell receptor and acts in concert with transmembrane protease serine 2 (TMPRSS2). Intriguingly, ACE2 can also suppress the inflammatory response and therefore may impact the severity of Covid-19 infections (from the exuberant immune response a.k.a. "cytokine storm"). We, therefore, assessed expression of ACE2 and TMPRSS2 in Blacks versus Whites. METHODS: Archived mucosal biopsies from colonoscopic biopsies of visually normal rectal mucosa without concurrent neoplasia or inflammation were used for this study. Total mRNA was isolated and subjected to real-time polymerase chain reaction for ACE2, and TMPRSS2 was assessed from non-Hispanic Blacks (n = 45) and non-Hispanic Whites (n = 38). GAPDH and beta-actin were used for normalization. Multivariable analysis was performed using Analyse-IT software. RESULTS: ACE2 and TMPRSS2 levels were not altered by gender, BMI, or age. ACE2 levels were lower in Blacks than Whites achieving statistical significance in multivariable (0.51-fold, p = 0.03) but not quite in univariable (p = 0.07) analysis. This downregulation was mirrored in TMRPSS2 in both univariable (p = 0.03) and multivariable analyses (0.41-fold, p = 0.02). Moreover, there was a strong correlation between ACE2 and TMPRSS2 levels (r-squared = 0.78). CONCLUSIONS: To our knowledge, this is the first report on racial differences inACE2 and TMPRSS2 mucosal expression. This may provide potential biological underpinnings for the disproportionately higher mortality of Covid-19 in Blacks and should spur future studies.


Asunto(s)
Enzima Convertidora de Angiotensina 2 , COVID-19 , Negro o Afroamericano , Enzima Convertidora de Angiotensina 2/genética , Humanos , Inflamación , SARS-CoV-2
15.
ACG Case Rep J ; 8(7): e00636, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-34307714

RESUMEN

Primary autoimmune gastrointestinal dysmotility is a limited form of autoimmune dysautonomia, driven by antiganglionic autoantibodies (AGAs) against enteric neurons. AGAs are observed in other autoimmune diseases, such as Guillain-Barré syndrome, before the development onset of gastrointestinal symptoms. Here, we report a case of a 57-year-old woman with human immunodeficiency virus, who previously developed Guillain-Barré syndrome, presenting with 6 months of intestinal dysmotility. Diagnosis was made by detecting AGAs to ganglionic acetylcholine receptor, alpha-3 subunit, radiographic evidence of duodenal dysmotility, and exclusion of other causes. The patient received high-dose methylprednisolone with low-dose pyridostigmine, which led to significant improvement of symptoms.

16.
Viruses ; 13(5)2021 04 21.
Artículo en Inglés | MEDLINE | ID: mdl-33919027

RESUMEN

BACKGROUND: The impact of Hepatitis C virus (HCV) RNA levels on the evolution of chronic HCV infection-related liver damage is controversial. Heavy alcohol use is believed to have a deleterious impact on the course of HCV disease, but current knowledge about the possible effect of alcohol use on HCV RNA levels in HIV/HCV coinfected patients is limited. METHODS: We examined 107 HIV/HCV-infected individuals with current or past unhealthy alcohol use to assess the association between alcohol consumption (any drinking vs. abstinent) and HCV RNA levels. RESULTS: Participants were 75% male, with a mean age of 43 years, and 63% were on antiretroviral therapy. Mean (SD) log HIV RNA was 3.1 (1.4) and mean (SD) log HCV RNA was 6.1 (0.8). Past-month alcohol use was present in 38% of participants. In a multivariable linear regression analysis we found no significant differences in mean log HCV RNA levels between those reporting alcohol use and those who were abstinent [ß (95%CI): -0.04 (-0.34, 0.26), p = 0.79)]. There was no significant association between any heavy drinking day and HCV RNA level (0.07, 95% CI: (-0.24, 0.38), p = 0.66). CONCLUSIONS: We did not detect significant associations between alcohol use and HCV RNA levels among HIV/HCV coinfected patients.


Asunto(s)
Consumo de Bebidas Alcohólicas , Infecciones por VIH , Hepacivirus/genética , Hepatitis C/virología , ARN Viral , Carga Viral , Adulto , Consumo de Bebidas Alcohólicas/efectos adversos , Estudios de Cohortes , Femenino , Infecciones por VIH/tratamiento farmacológico , Infecciones por VIH/epidemiología , Infecciones por VIH/virología , Hepatitis C/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo
17.
Healthcare (Basel) ; 9(12)2021 Nov 25.
Artículo en Inglés | MEDLINE | ID: mdl-34946356

RESUMEN

BACKGROUND: Drug induced liver injury (DILI) is an adverse drug reaction that causes liver damage in a predictable (dose-dependent) or an unpredictable (idiosyncratic) fashion. We performed an assessment of DILI in Portugal, by analyzing the reports, sent to the Portuguese Pharmacovigilance System (PPS). METHODS: A search was performed on the PPS database, in a 10-year time frame, from 1 January 2010 to 31 December 2019. RESULTS: There was not a prevalence of either sex in any age group. Most reports (n = 1120, 55.0%) belonged to patients in the age group 19-64 years old. Hepatitis (n = 626, 26.7%) was the most common adverse drug reaction in our study. Hepatotoxicity (n = 362, 15.5%) and hepatitis (n = 333, 14.2%) were more frequent in age group 19-64 years old. Cholestasis was more prevalent in adults independently of age. Hepatic fibrosis and encephalopathy were more common in the elderly. Most patients consumed between one and four suspected drugs (n = 1867, 92%). Most patients in our study evolved to "cure" (n = 796; 39%). Hepatotoxicity (n = 23; 13.8%) and hepatitis (n = 610; 25.9%) had a female predominancy while choluria (n = 8; 4.8%) and splenomegaly (n = 8; 4.8%) were of male predominance. CONCLUSIONS: DILI is rare but can be fatal. As such, an active search of DILI is necessary.

18.
Am J Gastroenterol ; 105(6): 1346-53, 2010 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-20179698

RESUMEN

OBJECTIVES: Noninvasive markers of liver fibrosis correlate with the stage of liver fibrosis, but have not been widely applied to predict liver-related mortality. METHODS: We assessed the ability of two indices of liver fibrosis, aspartate aminotransferase (AST)-to-platelet ratio index (APRI) and Fib-4, and two markers of extracellular matrix metabolism, hyaluronic acid (HA) and YKL40, to predict liver mortality in a prospective cohort of hepatitis C virus (HCV)-infected individuals with and without HIV coinfection. These were compared with two established prognostic scores, the Child-Pugh-Turcotte (CPT) and model of end-stage liver disease (MELD) scores. RESULTS: A total of 303 subjects, of whom 207 were HIV positive at study entry, were followed up for a mean period of 3.1 years. There were 33 deaths due to liver disease. The ability of each test and score to predict 3-year liver mortality was expressed as the area under the receiver operator curve. The area under the receiver operator curve 95% confidence intervals were: HA 0.92 (0.86-0.96), CPT 0.91 (0.79-0.96), APRI 0.88 (0.80-0.93), Fib-4 0.87 (0.77-0.92), MELD 0.84 (71-0.91). In multivariate analyses HA, APRI, and fib-4 were independent predictors of mortality when included in models with MELD or CPT. CONCLUSION: Noninvasive markers of liver fibrosis are highly predictive of liver outcome in HCV-infected individuals with and without HIV coinfection. These markers seem to have a prognostic value independent of CPT and MELD.


Asunto(s)
Infecciones por VIH/complicaciones , Hepatitis C/mortalidad , Cirrosis Hepática/sangre , Adulto , Biomarcadores/sangre , Estudios de Cohortes , Progresión de la Enfermedad , Femenino , Hepatitis C/sangre , Hepatitis C/complicaciones , Humanos , Cirrosis Hepática/complicaciones , Cirrosis Hepática/mortalidad , Cirrosis Hepática/virología , Masculino , Valor Predictivo de las Pruebas , Pronóstico , Índice de Severidad de la Enfermedad
19.
Liver Transpl ; 14(9): 1294-302, 2008 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-18756457

RESUMEN

Although recurrent hepatitis C virus (HCV) after liver transplantation (LT) is universal, a minority of patients will develop cirrhosis within 5 years of surgery, which places them at risk for allograft failure. This retrospective study investigated whether 2 serum fibrosis markers, serum hyaluronic acid (HA) and YKL-40, could be used to predict rapid fibrosis progression (RFP) post-LT. These markers were compared with conventional laboratory tests, histological assessment, and hepatic stellate cell activity (HSCA), a key step in fibrogenesis, as assessed by immunohistochemical staining for alpha-smooth muscle actin. Serum and protocol liver biopsy samples were obtained from 46 LT recipients at means of 5 +/- 2 (biopsy 1) and 39 +/- 6 (biopsy 2) months post-LT, respectively. RFP was defined as an increase in the fibrosis score >or= 2 from biopsy 1 to biopsy 2 (a mean interval of 33 +/- 6 months). The ability of parameters at biopsy 1 to predict RFP was compared with the areas under receiver operating characteristic curves (AUROCs). Of the 46 subjects, 15 developed RFP. Serum HA and YKL-40 performed significantly better than conventional parameters and HSCA in predicting RFP post-LT for HCV at biopsy 1, with AUROCs of 0.89 and 0.92, respectively. The accuracy of serum HA >or= 90 microg/L and YKL-40 >or= 200 microg/L in predicting RFP at biopsy 1 was 80% and 96%, respectively. In conclusion, we found that elevated levels of serum HA and YKL-40 within the first 6 months after LT accurately predicted RFP. Larger studies evaluating the role of serum HA and YKL-40 in post-LT management are warranted.


Asunto(s)
Fibrosis/sangre , Fibrosis/patología , Hepatitis C/sangre , Hepatitis C/terapia , Trasplante de Hígado/métodos , Adipoquinas , Adulto , Proteína 1 Similar a Quitinasa-3 , Estudios de Cohortes , Progresión de la Enfermedad , Femenino , Glicoproteínas/sangre , Hepacivirus/metabolismo , Humanos , Ácido Hialurónico/sangre , Lectinas , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Resultado del Tratamiento
20.
Addiction ; 103(9): 1461-7, 2008 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-18637000

RESUMEN

AIMS: To examine the impact of alcohol use on depressive symptoms in human immunodeficiency virus (HIV)-infected patients. DESIGN: Data were collected at 6-month intervals and analyzed to evaluate the association between alcohol dependence and consumption on depressive symptoms using longitudinal mixed-effects regression models controlling for specified covariates. MEASUREMENTS: The two independent variables were current alcohol dependence assessed using the Composite International Diagnostic Interview (CIDI) and past month consumption (heavy versus not heavy drinking) using a validated calendar-based method. The primary outcome was depressive symptoms as measured by the Center for Epidemiologic Studies Depression Scale (CES-D). PARTICIPANTS: HIV-infected adults with current or past alcohol problems. FINDINGS: Alcohol dependence and heavy alcohol use were significantly associated with higher CES-D scores in unadjusted models. In adjusted analyses, the association of current alcohol dependence persisted [mean difference in CES-D was 3.49 for dependence versus non-dependence; 95% confidence interval (CI): 1.76-5.22]; however, the effect of heavy drinking was no longer statistically significant (mean difference in CES-D was 1.04 for heavy versus not heavy drinking; 95% CI: -0.24-2.32). CONCLUSIONS: Alcohol use is associated with more depressive symptoms in HIV-infected patients with alcohol problems. This association remains significant after adjusting for potential confounders only when alcohol use meets the criteria for alcohol dependence.


Asunto(s)
Trastornos Relacionados con Alcohol/psicología , Trastorno Depresivo/psicología , Infecciones por VIH/psicología , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Escalas de Valoración Psiquiátrica
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