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Objectives. To describe participant characteristics associated with severe acute respiratory syndrome coronavirus 2 infection in Spain's first 2 COVID-19 waves per the Spanish National Seroepidemiological Survey of SARS-CoV-2 Infection (ENE-COVID). Methods. A representative cohort of the noninstitutionalized Spanish population, selected through stratified 2-stage sampling, answered a questionnaire and received point-of-care testing April to June 2020 (first wave: n = 68 287); previously seronegative participants repeated the questionnaire and test November 2020 (second wave: n = 44 451). We estimated seropositivity by wave and participant characteristics, accounting for sampling weights, nonresponse, and design effects. Results. We found that 6.0% (95% confidence interval [CI] = 5.7%, 6.4%) of Spain's population was infected by June and 3.8% (95% CI = 3.5%, 4.1%) more by November 2020. Both genders were equally affected. Seroprevalence decreased with age in adults 20 years and older in the second wave; socioeconomic differences increased. Health care workers were affected at 11.1% (95% CI = 9.0%, 13.6%) and 6.1% (95% CI = 4.4%, 8.5%) in the first and second waves, respectively. Living with an infected person increased infection risk to 22.1% (95% CI = 18.9%, 25.6%) in the first and 35.0% (95% CI = 30.8%, 39.4%) in the second wave. Conclusions. ENE-COVID characterized the first 2 pandemic waves, when information from surveillance systems was incomplete. (Am J Public Health. 2023;113(5):533-544. https://doi.org/10.2105/AJPH.2023.307233).
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COVID-19 , Adulto , Humanos , Feminino , Masculino , Adulto Jovem , COVID-19/epidemiologia , SARS-CoV-2 , Pandemias , Espanha/epidemiologia , Estudos SoroepidemiológicosRESUMO
Data System. The Spanish National Seroepidemiological Survey of SARS-CoV-2 (or ENE-COVID; SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2] is the causative agent of COVID-19) was funded by the Spanish Ministry of Health, the Instituto de Salud Carlos III, and the Spanish National Health System. Data Collection/Processing. A stratified 2-stage probability sampling was used to select a representative cohort of the noninstitutionalized population of Spain. ENE-COVID collected longitudinal data from epidemiological questionnaires and 2 SARS-CoV-2 IgG antibody tests. From April 27 to June 22, 2020, 68 287 participants (77.0% of contacted persons) received a point-of-care test and 61 095 (68.9%) also underwent a laboratory immunoassay. A second follow-up phase was conducted between November 16 and 30, 2020. Data Analysis/Dissemination. Analyses use weights to adjust for oversampling and nonresponse and account for design effects of stratification and clustering. ENE-COVID data for research purposes will be available upon request from the official study Web page. Public Health Implications. ENE-COVID, a nationwide population-based study, allowed monitoring seroprevalence of antibodies against SARS-CoV-2 at the national and regional levels, providing accurate figures by gender, age (from babies to nonagenarians), and selected risk factors; characterizing symptomatic and asymptomatic infections; and estimating the infection fatality risk during the first pandemic wave. (Am J Public Health. 2023;113(5):525-532. https://doi.org/10.2105/AJPH.2022.307167).
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COVID-19 , Idoso de 80 Anos ou mais , Humanos , SARS-CoV-2 , Espanha/epidemiologia , Estudos Soroepidemiológicos , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Spain is one of the European countries most affected by the COVID-19 pandemic. Serological surveys are a valuable tool to assess the extent of the epidemic, given the existence of asymptomatic cases and little access to diagnostic tests. This nationwide population-based study aims to estimate the seroprevalence of SARS-CoV-2 infection in Spain at national and regional level. METHODS: 35â883 households were selected from municipal rolls using two-stage random sampling stratified by province and municipality size, with all residents invited to participate. From April 27 to May 11, 2020, 61â075 participants (75·1% of all contacted individuals within selected households) answered a questionnaire on history of symptoms compatible with COVID-19 and risk factors, received a point-of-care antibody test, and, if agreed, donated a blood sample for additional testing with a chemiluminescent microparticle immunoassay. Prevalences of IgG antibodies were adjusted using sampling weights and post-stratification to allow for differences in non-response rates based on age group, sex, and census-tract income. Using results for both tests, we calculated a seroprevalence range maximising either specificity (positive for both tests) or sensitivity (positive for either test). FINDINGS: Seroprevalence was 5·0% (95% CI 4·7-5·4) by the point-of-care test and 4·6% (4·3-5·0) by immunoassay, with a specificity-sensitivity range of 3·7% (3·3-4·0; both tests positive) to 6·2% (5·8-6·6; either test positive), with no differences by sex and lower seroprevalence in children younger than 10 years (<3·1% by the point-of-care test). There was substantial geographical variability, with higher prevalence around Madrid (>10%) and lower in coastal areas (<3%). Seroprevalence among 195 participants with positive PCR more than 14 days before the study visit ranged from 87·6% (81·1-92·1; both tests positive) to 91·8% (86·3-95·3; either test positive). In 7273 individuals with anosmia or at least three symptoms, seroprevalence ranged from 15·3% (13·8-16·8) to 19·3% (17·7-21·0). Around a third of seropositive participants were asymptomatic, ranging from 21·9% (19·1-24·9) to 35·8% (33·1-38·5). Only 19·5% (16·3-23·2) of symptomatic participants who were seropositive by both the point-of-care test and immunoassay reported a previous PCR test. INTERPRETATION: The majority of the Spanish population is seronegative to SARS-CoV-2 infection, even in hotspot areas. Most PCR-confirmed cases have detectable antibodies, but a substantial proportion of people with symptoms compatible with COVID-19 did not have a PCR test and at least a third of infections determined by serology were asymptomatic. These results emphasise the need for maintaining public health measures to avoid a new epidemic wave. FUNDING: Spanish Ministry of Health, Institute of Health Carlos III, and Spanish National Health System.
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Infecções por Coronavirus/epidemiologia , Pneumonia Viral/epidemiologia , Adolescente , Adulto , Idoso , Anticorpos Antivirais/sangue , Betacoronavirus/imunologia , COVID-19 , Criança , Pré-Escolar , Feminino , Humanos , Imunoensaio , Imunoglobulina G/sangue , Imunoglobulina M/sangue , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Pandemias , Testes Imediatos , Prevalência , Fatores de Risco , SARS-CoV-2 , Estudos Soroepidemiológicos , Espanha/epidemiologia , Adulto JovemRESUMO
OBJECTIVE: To conduct a survival study and evaluation of surgical treatment in a cohort of patients with diagnosis of supratentorial spontaneous intracerebral hemorrhage (ICH). MATERIALS AND METHODS: The study included all consecutive patients with supratentorial ICH admitted to the Intensive Care Units of three Spanish hospitals with Neurosurgery Department between 2009 and 2012. DATA COLLECTED: age, APACHE-II, Glasgow Coma Score (GCS), and pupillary anomalies on admission, intracerebral hemorrhage (ICH) score, location/volume of hematoma, intraventricular hemorrhage (IVH), surgical evacuation alone or with additional external ventricular drain, and 30-days survival and at hospital discharge RESULTS: A total of 263 patients were included. Mean age: 59.74±14.14 years. GCS: 8±4 points, APACHE II: 20.7±7.68 points. ICH Score: 2.32+1.04 points. Pupillary anomalies were observed in 30%. The 30-day mortality: 51.3% (45.3% predicted by ICH-score), and 53.2% at hospital discharge. A significant difference (p=0.004) was observed in hospital mortality rates between surgically treated patients (39.7%, n=78) versus those conservatively managed (58.9%, n=185); specifically in those with IVH surgically treated (34.2%, n=38) versus non-operated IVH (67.2%, n=125), p<0.001. No significant difference was found between mortality rates in patients without IVH. Multiple logistic regression analysis showed an OR for surgery of 1.04 (95% CI; 0.33-3.22) in patients without IVH versus 0.19 (95% CI; 0.07-0.53) in patients with IVH (decreased mortality with surgical treatment). The propensity score analysis for IVH patients showed improved survival of operated group (OR 0.23, 95% CI; 0.07-0.75), p=0.01. CONCLUSIONS: Hospital mortality was lower in patients who underwent surgery compared to patients conservatively managed, specifically for the subgroup of patients with intraventricular hemorrhage.
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Hemorragia Cerebral/mortalidade , Mortalidade Hospitalar , Idoso , Hemorragia Cerebral/cirurgia , Drenagem , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Procedimentos Neurocirúrgicos , Análise de Sobrevida , Resultado do TratamentoRESUMO
BACKGROUND: The main aims of this study were to analyze trends of SARS-CoV-2 anti-nucleocapsid IgG throughout the four rounds of the seroepidemiologic study ENE-COVID, and compare the fourth-round results of two immunoassays detecting anti-nucleocapsid and anti-RBD IgG. METHODS: ENE-COVID was developed in 2020 (two phases). Phase one included three rounds carried out in April 27-May 11, May 18-June 1, and June 8-June 22. Phase two included a fourth round in the same cohort (November 16-29). A chemiluminescent microparticle immunoassay was offered to participants in the first three rounds (Abbott; anti-nucleocapsid IgG). In the fourth round, we offered this test and a chemiluminescence immunoassay (Beckman; anti-RBD IgG) to i) a randomly selected sub-cohort, ii) participants who were IgG-positive in any of the three first rounds; and iii) participants who were IgG-positive in the fourth round by point-of-care immunochromatography. RESULTS: 10,153 individuals (82.2% of people invited) participated in the fourth round. Of them, 2595 (35.1% of participants with results in the four rounds) were positive for anti-nucleocapsid IgG in at least one round. Anti-nucleocapsid IgG became undetectable in 43.3% of participants with positive first-round results. In fourth round, anti-nucleocapsid and anti-RBD IgG were detected in 5.5% (321/5827) and 5.4% (315/5827) participants of the randomly selected sub-cohort, and in 26.6% (867/3261) and 25.9% (846/3261) participants with at least one previous positive result, respectively. CONCLUSIONS: The IgG response is heterogeneous and conditioned by infection severity. A proportion of SARS-CoV-2 infected population may have negative serologic results in the post-infection months.
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COVID-19 , SARS-CoV-2 , Anticorpos Antivirais , COVID-19/epidemiologia , Humanos , Imunoglobulina G , Estudos Soroepidemiológicos , Espanha/epidemiologiaRESUMO
OBJECTIVES: To characterize asymptomatic SARS-CoV-2 infections and develop a symptom-based risk score useful in primary healthcare. STUDY DESIGN AND SETTING: Sixty-one thousand ninty-two community-dwelling participants in a nationwide population-based serosurvey completed a questionnaire on COVID-19 symptoms and received an immunoassay for SARS-CoV-2 IgG antibodies between April 27 and June 22, 2020. Standardized prevalence ratios for asymptomatic infection were estimated across participant characteristics. We constructed a symptom-based risk score and evaluated its ability to predict SARS-CoV-2 infection. RESULTS: Of all, 28.7% of infections were asymptomatic (95% CI 26.1-31.4%). Standardized asymptomatic prevalence ratios were 1.19 (1.02-1.40) for men vs. women, 1.82 (1.33-2.50) and 1.45 (0.96-2.18) for individuals <20 and ≥80 years vs. those aged 40-59, 1.27 (1.03-1.55) for smokers vs. nonsmokers, and 1.91 (1.59-2.29) for individuals without vs. with case contact. In symptomatic population, a symptom-based score (weights: severe tiredness = 1; absence of sore throat = 1; fever = 2; anosmia/ageusia = 5) reached standardized seroprevalence ratio of 8.71 (7.37-10.3), discrimination index of 0.79 (0.77-0.81), and sensitivity and specificity of 71.4% (68.1-74.4%) and 74.2% (73.1-75.2%) for a score ≥3. CONCLUSION: The presence of anosmia/ageusia, fever with severe tiredness, or fever without sore throat should serve to suspect COVID-19 in areas with active viral circulation. The proportion of asymptomatics in children and adolescents challenges infection control.
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Infecções Assintomáticas/epidemiologia , COVID-19/epidemiologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Atenção Primária à Saúde , Fatores de Risco , Estudos Soroepidemiológicos , Espanha/epidemiologia , Adulto JovemRESUMO
The Short Form of the Fonseca Anamnestic Index (SFAI) is a simple and quick questionnaire used for screening temporomandibular disorders (TMDs). The present study aimed to validate the Spanish version of the SFAI in patients with TMDs. The study sample comprised 112 subjects (50 TMDs and 52 controls). Test-retest reliability, factorial validity, internal consistency, concurrent validity, and the SFAI's ability to discriminate between TMDs subjects and healthy controls were analyzed using the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD protocol) as the reference. Factor analysis showed a single factor that explained 63% of the total variance. Cronbach's alpha was 0.849. The reliability of the items measured with the Kappa index showed values from 0.767 to 0.888. Test-retest reliability was substantial (intraclass correlation coefficient = 0.837). The total SFAI score showed a significant correlation with orofacial pain, vertigo, and neck disability measurements. For a cut-off point of >10 points, the SFAI showed a sensitivity of 78% and specificity of 78.85% at differentiating between TMDs patients and healthy subjects, with an area under the curve (AUC) of 0.852. The Spanish version of the SFAI is a valid and reliable instrument for diagnosing people with TMDs and shows generally good psychometric properties.
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OBJECTIVE: To estimate the infection fatality risk for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), based on deaths with confirmed coronavirus disease 2019 (covid-19) and excess deaths from all causes. DESIGN: Nationwide seroepidemiological study. SETTING: First wave of covid-19 pandemic in Spain. PARTICIPANTS: Community dwelling individuals of all ages. MAIN OUTCOME MEASURES: The main outcome measure was overall, and age and sex specific, infection fatality risk for SARS-CoV-2 (the number of covid-19 deaths and excess deaths divided by the estimated number of SARS-CoV-2 infections) in the community dwelling Spanish population. Deaths with laboratory confirmed covid-19 were obtained from the National Epidemiological Surveillance Network (RENAVE) and excess all cause deaths from the Monitoring Mortality System (MoMo), up to 15 July 2020. SARS-CoV-2 infections in Spain were derived from the estimated seroprevalence by a chemiluminescent microparticle immunoassay for IgG antibodies in 61 098 participants in the ENE-COVID nationwide seroepidemiological survey between 27 April and 22 June 2020. RESULTS: The overall infection fatality risk was 0.8% (19 228 of 2.3 million infected individuals, 95% confidence interval 0.8% to 0.9%) for confirmed covid-19 deaths and 1.1% (24 778 of 2.3 million infected individuals, 1.0% to 1.2%) for excess deaths. The infection fatality risk was 1.1% (95% confidence interval 1.0% to 1.2%) to 1.4% (1.3% to 1.5%) in men and 0.6% (0.5% to 0.6%) to 0.8% (0.7% to 0.8%) in women. The infection fatality risk increased sharply after age 50, ranging from 11.6% (8.1% to 16.5%) to 16.4% (11.4% to 23.2%) in men aged 80 or more and from 4.6% (3.4% to 6.3%) to 6.5% (4.7% to 8.8%) in women aged 80 or more. CONCLUSION: The increase in SARS-CoV-2 infection fatality risk after age 50 appeared to be more noticeable in men than in women. Based on the results of this study, fatality from covid-19 was greater than that reported for other common respiratory diseases, such as seasonal influenza.
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COVID-19/mortalidade , Estudos Soroepidemiológicos , Adolescente , Adulto , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Anticorpos Antivirais/sangue , Criança , Pré-Escolar , Feminino , Humanos , Imunoglobulina G/sangue , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Risco , Fatores Sexuais , Espanha/epidemiologia , Adulto JovemRESUMO
Metastases in the oral cavity are rare lesions which represent approximately 1% of all malignant neoplasms in the oral cavity. Oral metastases are located in the mandible 80-90% on average, the maxilla location being rarer. Metastases in mouth soft tissue are also rare, and within these it is on the gums where they more frequently occur. Primary tumours which metastasize to mouth are most commonly: lung, breast and kidney. Oral cavity metastases appear as a result of distant disease spreading and show wrong prognosis, with short survival. Here we present a clinical case of a patient diagnosed with esophagus adenocarcinoma which presented metastasis in upper-left maxillary bone.
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Adenocarcinoma/secundário , Neoplasias Esofágicas/patologia , Neoplasias Maxilares/secundário , Neoplasias do Seio Maxilar/secundário , Adenocarcinoma/diagnóstico por imagem , Evolução Fatal , Humanos , Masculino , Neoplasias Maxilares/diagnóstico por imagem , Neoplasias do Seio Maxilar/diagnóstico por imagem , Pessoa de Meia-Idade , Tomografia Computadorizada por Raios XRESUMO
OBJECTIVE: To conduct a survival study and evaluation of surgical treatment in a cohort of patients with diagnosis of supratentorial spontaneous intracerebral hemorrhage (ICH). MATERIALS AND METHODS: The study included all consecutive patients with supratentorial ICH admitted to the Intensive Care Units of three Spanish hospitals with Neurosurgery Department between 2009 and 2012. Data collected: age, APACHE-II, Glasgow Coma Score (GCS), and pupillary anomalies on admission, intracerebral hemorrhage (ICH) score, location/volume of hematoma, intraventricular hemorrhage (IVH), surgical evacuation alone or with additional external ventricular drain, and 30-days survival and at hospital discharge. RESULTS: A total of 263 patients were included. Mean age: 59.74 ± 14.14 years. GCS: 8 ± 4 points, APACHE II: 20.7 ± 7.68 points. ICH Score: 2.32 + 1.04 points. Pupillary anomalies were observed in 30%. The 30-day mortality: 51.3% (45.3% predicted by ICH-score), and 53.2% at hospital discharge. A significant difference (p = 0.004) was observed in hospital mortality rates between surgically treated patients (39.7%, n = 78) versus those conservatively managed (58.9%, n = 185); specifically in those with IVH surgically treated (34.2%, n = 38) versus non-operated IVH (67.2%, n = 125), p < 0.001. No significant difference was found between mortality rates in patients without IVH. Multiple logistic regression analysis showed an OR for surgery of 1.04 (95% CI; 0.33-3.22) in patients without IVH versus 0.19 (95% CI; 0.07-0.53) in patients with IVH (decreased mortality with surgical treatment). The propensity score analysis for IVH patients showed improved survival of operated group (OR 0.23, 95% CI; 0.07-0.75), p = 0.01. CONCLUSIONS: Hospital mortality was lower in patients who underwent surgery compared to patients conservatively managed, specifically for the subgroup of patients with intraventricular hemorrhag
OBJETIVO: Estudio de supervivencia y evaluación del tratamiento quirúrgico en una cohorte de pacientes con hematoma intracerebral espontáneo supratentorial. MATERIAL Y MÉTODOS: Incluidos todos los pacientes con hematoma cerebral espontáneo supratentorial ingresados en las unidades de cuidados intensivos de 3 hospitales españoles con servicios de neurocirugía (2009-2012). Se recogieron la edad, APACHE-II, escala de coma de Glasgow y alteraciones pupilares al ingreso, intracerebral haemorrhage (ICH) score, localización/volumen del hematoma, presencia de hemorragia intraventricular (IVH), evacuación quirúrgica±drenaje ventricular externo, supervivencia a los 30 días y hospitalaria. RESULTADOS: Doscientos sesenta y tres pacientes, con edad media 59,74 ± 14,14 años, escala de coma de Glasgow: 8 ± 4 puntos e ICH score: 2,32 ± 1,04 puntos. El 30% presentaba alteraciones pupilares. Mortalidad a los 30 días: 51,3% (predicha por ICH score 45,3%) y hospitalaria 53,2%. Hubo diferencia estadísticamente significativa (p = 0,004) entre la mortalidad-hospitalaria de los pacientes intervenidos quirúrgicamente (39,7%; n = 78) frente a los tratados de modo conservador (58,9%; n = 185), y específicamente para los pacientes intervenidos con IVH (34,2%; n = 38) frente a los no operados con IVH (67,2%; n = 125), (p < 0,001). No hubo diferencias en la mortalidad de los pacientes sin IVH. En el análisis de regresión logística múltiple la OR para la cirugía fue 1,04 (IC 95%: 0,33-3,22) en pacientes sin IVH, frente a 0,19 (IC 95%: 0,07-0,53) en pacientes con IVH. El análisis con índice de propensión para pacientes con IVH demostró mejoría en la supervivencia del grupo operado (OR: 0,23; IC 95%: 0,07-0,75), p = 0,01. CONCLUSIÓN: La mortalidad hospitalaria fue menor en los pacientes intervenidos quirúrgicamente en comparación con los tratados de modo conservador, específicamente para el subgrupo de pacientes con IVH
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Humanos , Hemorragia Cerebral/cirurgia , Procedimentos Neurocirúrgicos/métodos , Análise de Sobrevida , Hemorragia Cerebral/mortalidade , Resultado do TratamentoRESUMO
Las metástasis en cavidad oral son lesiones raras que representanaproximadamente el 1% de todas las neoplasias malignas decavidad oral. Las metástasis orales se localizan en un 80-90%en mandíbula, siendo mas raras en maxilar superior. Las metástasisen tejidos blandos de boca son raras, y es encía donde conmayor frecuencia se localizan las metástasis en tejidos blandosen boca. Los tumores primarios que metastatizan a boca son losmás frecuentes pulmón, mama y riñón. Las metástasis en cavidadoral es como consecuencia de una diseminación a distancia de laenfermedad e indica un mal pronóstico, con una supervivenciacorta. Aquí presentamos un caso clínico de un paciente diagnosticadode adenocarcinoma de esófago que presentó metastasisen hueso maxilar superior izquierdo
Metastases in the oral cavity are rare lesions which representapproximately 1% of all malignant neoplasms in the oral cavity.Oral metastases are located in the mandible 80-90% onaverage, the maxilla location being rarer. Metastases in mouthsoft tissue are also rare, and within these it is on the gumswhere they more frequently occur. Primary tumours whichmetastasize to mouth are most commonly: lung, breast andkidney. Oral cavity metastases appear as a result of distantdisease spreading and show wrong prognosis, with shortsurvival. Here we present a clinical case of a patient diagnosedwith esophagus adenocarcinoma which presented metastasis inupper-left maxillary bone