Coxiella burnetii in domestic doe goats in the United States, 2019-2020.

Coxiella burnetii is a bacterial pathogen capable of causing serious disease in humans and abortions in goats. Infected goats can shed C. burnetii through urine, feces, and parturient byproducts, which can lead to infections in humans when the bacteria are inhaled. Goats are important C. burnetii reservoirs as evidenced by goat-related outbreaks across the world. To better understand the current landscape of C. burnetii infection in the domestic goat population, 4,121 vaginal swabs from 388 operations across the United States were analyzed for the presence of C. burnetii by IS1111 PCR as part of the United States Department of Agriculture, Animal Plant Health Inspection Service, Veterinary Services' National Animal Health Monitoring System Goats 2019 Study. In total, 1.5% (61/4121) of swabs representing 10.3% (40/388) (weighted estimate of 7.8, 95% CI 4.4-13.5) of operations were positive for C. burnetii DNA. The quantity of C. burnetii on positive swabs was low with an average Ct of 37.9. Factors associated with greater odds of testing positive included suspected Q fever in the herd in the previous 3 years, the presence of wild deer or elk on the operation, and the utilization of hormones for estrus synchronization. Factors associated with reduced odds of testing positive include the presence of kittens and treatment of herds with high tannin concentrate plants, diatomaceous earth, and tetrahydropyrimidines. In vitro analysis demonstrated an inhibitory effect of the tetrahydropyrimidine, pyrantel pamoate, on the growth of C. burnetii in axenic media as low as 1 µg per mL. The final multivariable logistic regression modeling identified the presence of wild predators on the operation or adjacent property (OR = 9.0, 95% CI 1.3-61.6, p value = 0.0248) as a risk factor for C. burnetii infection.

Applying mechanical forces on Drosophila tissues in vivo using the StretchCo, a 3D-printable device.

Applying mechanical forces to tissues helps to understand morphogenesis and homeostasis. Additionally, recording the dynamics of living tissues under mechanical constraints is needed to explore tissue biomechanics. Here, we present a protocol to 3D-print a StretchCo device and use it to apply uniaxial mechanical stress on the Drosophila pupal dorsal thorax epithelium. We describe steps for 3D printing, polydimethylsiloxane (PDMS) strip cutting, and glue preparation. We detail procedures for PDMS strip mounting, tissue compaction, and live imaging upon force application. For additional details on the use and execution of this protocol, please refer to Cachoux et al. (2023)1 from which the StretchCo machine has been derived.

Definition and clinical management of haemodialysis central venous catheter local infections (exit site and tunnel infection): An international consensus assessment.

AIM: To evaluate the relevance of signs and symptoms for the clinical identification of ESI and TI in HD-CVC, by means of international expert consensus, and to reach a consensus on a definition and clinical management (CM) for these infections. BACKGROUND: A recent systematic review showed a high heterogeneity in the signs/symptoms used for determining exit site infection (ESI) and tunnel infection (TI) of haemodialysis central venous catheter (HD-CVC). DESIGN: A modified Delphi ranking process was carried out between November 2020 and March 2021, consisting of four rounds using an online questionnaire with a panel of 26 experts from 12 countries. METHODS: Experts responded on the level of relevance for the identification of ESI and TI, based on a list of 22 signs/symptoms obtained from a previous systematic review, using a 4-point Likert-type scale. After reaching consensus on the signs/symptoms, they followed the same method to reach consensus on the CM. The STROBE Checklist was used to report this study. RESULTS: A high degree of consensus was reached to identify the presence of ESI based on nine signs/symptoms: presence of pain at the exit site (ES) during interdialysis period, with fever ≥38°C do not suspect other cause, local signs at the ES (inflammation, induration, swelling, hyperemia/erythema ≥2 cm from ES) and obvious abscess or purulent exudate at ES; and of TI. Likewise, 5 cm were agreed upon. CONCLUSION: This Delphi study provides international expert consensus definitions of ESI and TI in HD-CVC, laying the groundwork for the validation of an HD-CVC ES clinical assessment scale for early identification of ESI. RELEVANCE TO CLINICAL PRACTICE: In addition, this study provides a series of attitudes to consensual clinics regarding signs/symptoms of local infections in HD-CVC, which may be useful as expert opinion in clinical practice guidelines, when there is insufficient scientific evidence.

Incidental finding of rare hemoglobin: hemoglobin Bari in northeast Spain.

Objectives: Cation exchange high-performance liquid chromatography (HPLC) is one of the techniques available for determining glycated hemoglobin (HbA1c) and also the method of choice for structural hemoglobinopathies screening. The objective of this case is to show how in a routine HbA1c test it is possible to incidentally find a hemoglobinopathy. Case presentation: In a routine blood analysis, an abnormal value for the hemoglobin A2 (HbA2) was obtained during the study of HbA1c with HPLC on the ADAMS™ A1c HA-8180T. After suspecting it could be due to the presence of a hemoglobinopathy, the study of possible variants was expanded using electrophoresis and HPLC on the Hydrasys and Variant II analysers, respectively. Since it could not be identified by these conventional methods, a genetic study was also carried out using Sanger sequencing. The patient presented a low HbA2 (1.3 %) and a 24.9 % variant with a retention time of 1.95 min, compatible with alpha-globin chain variant. In the genetic study, the pathogenic variant c.138C>G was detected in the HbA2 gene in heterozygosis, which resulted in the expression of the structural hemoglobinopathy known as hemoglobin Bari. Conclusions: The initial screening for structural hemoglobinopathies allows its identification or suspicion especially when it was performed with HbA1c analysis, requiring subsequent confirmation and diagnosis by other techniques.

Adherencia al tratamiento en pacientes con trasplante renal y su relación con los niveles plasmáticos de inmunosupresores / Adherence to treatment in renal transplant patients and its relationship with plasma levels of immunosuppressants

Introducción:La adherencia al tratamiento inmunosupresor en los pacientes trasplantados renales es un factor clave para la supervivencia del injerto, así como para la calidad de vida de estos pacientes. Objetivo: Analizar la adherencia terapéutica de los pacientes con trasplante renal y su relación con el nivel plasmático de inmunosupresores.Material y Método: Se realizó un estudio observacional, descriptivo, transversal, en una población de trasplantados renales entre diciembre 2021 y enero 2022, del Servicio de Nefrología del Hospital Universitario Marqués de Valdecilla. Para determinar la adherencia al tratamiento inmunosupresor se utilizó el cuestionario simplificado de adherencia a la me-dicación (SMAQ). Se recogieron otras variables socio-clínicas: edad, sexo, tiempo transcurrido desde el último trasplante, trasplantes renales previos, tipo de trasplante (renal o com-binado), nefropatía de base, niveles de inmunosupresores en sangre, inmunosupresor pautado y número total de medica-mentos prescritos. En los pacientes con tacrolimus e ImTOR se recogieron niveles de las últimas 5 analíticas, y se calculó la desviación estándar y el coeficiente de variabilidad.Resultados: Se estudiaron 100 pacientes: 7% trasplante com-binado riñón-páncreas, 92% tacrolimus como inmunosupre-sor principal, no adherentes el 29% (sin diferencias por sexo). No se encontraron diferencias estadísticamente significativas entre los niveles de inmunosupresores en sangre y la adhe-rencia al tratamiento inmunosupresor, ni para la totalidad, ni por subgrupos.Conclusiones: La tasa de no adherentes en nuestra muestra es del 29%. No hemos encontrado una asociación estadísti-camente significativa entre los niveles de inmunosupresores en sangre y la adherencia al tratamiento (AU)

Introduction:Adherence to immunosuppressive treatment in renal transplant patients is a crucial factor for graft survival and the quality of life of these patients.Objective: To analyze the therapeutic adherence of renal transplant patients and its relationship with the plasma level of immunosuppressants.Material and Method: An observational, descriptive, cross-sectional study was conducted on a population of renal transplant recipients between December 2021 and January 2022 at the Nephrology Department of Marqués de Valdecilla University Hospital. The simplified medication adherence questionnaire (SMAQ) was used to determine adherence to immunosuppressive treatment. Other socio-clinical variables were collected, including age, gender, time since the last transplant, previous renal transplants, type of transplant (renal or combined), underlying nephropathy, blood levels of immunosuppressants, prescribed immunosuppressant, and the total number of prescribed medications. For patients on tacrolimus and mTOR inhibitors, the levels of the last five laboratory tests were recorded, and the standard deviation and coefficient of variability were calculated.Results: A total of 100 patients were studied: 7% had combined kidney-pancreas transplants, 92% used tacrolimus as the main immunosuppressant, and 29% were non-adherent (with no gender differences). No statistically significant differences were found between blood levels of immunosuppressants and adherence to immunosuppressive treatment, either overall or in subgroups.Conclusions: The non-adherence rate in our sample is 29%. We did not find a statistically significant association between blood levels of immunosuppressants and treatment adherence (AU)

Efficiency of the Cerebroplacental Ratio in Identifying High-Risk Late-Term Pregnancies.

Background and Objectives: Over the last few years, great interest has arisen in the role of the cerebroplacental ratio (CPR) to identify low-risk pregnancies at higher risk of adverse pregnancy outcomes. This study aimed to assess the predictive capacity of the CPR for adverse perinatal outcomes in all uncomplicated singleton pregnancies attending an appointment at 40-42 weeks. Materials and Methods: This is a retrospective cohort study including all consecutive singleton pregnancies undergoing a routine prenatal care appointment after 40 weeks in three maternity units in Spain and the United Kingdom from January 2017 to December 2019. The primary outcome was adverse perinatal outcomes defined as stillbirth or neonatal death, cesarean section or instrumental delivery due to fetal distress during labor, umbilical arterial cord blood pH < 7.0, umbilical venous cord blood pH < 7.1, Apgar score at 5 min < 7, and admission to the neonatal unit. Logistic mixed models and ROC curve analyses were used to analyze the data. Results: A total of 3143 pregnancies were analyzed, including 537 (17.1%) with an adverse perinatal outcome. Maternal age (odds ratio (OR) 1.03, 95% confidence interval (CI) 1.01 to 1.04), body mass index (OR 1.04, 95% CI 1.03 to 1.06), racial origin (OR 2.80, 95% CI 1.90 to 4.12), parity (OR 0.36, 95% CI 0.29 to 0.45), and labor induction (OR 1.79, 95% CI 1.36 to 2.35) were significant predictors of adverse perinatal outcomes with an area under the ROC curve of 0.743 (95% CI 0.720 to 0.766). The addition of the CPR to the previous model did not improve performance. Additionally, the CPR alone achieved a detection rate of only 11.9% (95% CI 9.3 to 15) when using the 10th centile as the screen-positive cutoff. Conclusions: Our data on late-term unselected pregnancies suggest that the CPR is a poor predictor of adverse perinatal outcomes.

Eficacia del apósito de gluconato de clorhexidina sobre las infecciones relacionadas con el catéter de hemodiálisis / Efficacy of Chlorhexidine Gluconate Dressing on Catheter-Related Infections in Hemodialysis

Introducción: El uso de catéteres venosos centrales para hemodiálisis se relaciona con un mayor desarrollo de complicaciones infecciosas, por lo que las Guías de Práctica Clínica recomiendan diferentes estrategias para disminuir dichas complicaciones, sin indicación clara sobre el apósito a utilizar en la cura del orificio de salida. Objetivo: Comparar la tasa de infecciones relacionadas con el catéter de dos pautas de cura del orificio de salida del catéter venoso central de hemodiálisis: apósito con gluconato de clorhexidina al 2% frente a clorhexidina en solución al 2%, cubierta con apósito de poliuretano semipermeable autoadhesivo. Material y Método: Estudio experimental, controlado, aleatorizado en pacientes en hemodiálisis a través de catéter venoso central para comparar dos pautas de cura, grupo control: clorhexidina en solución al 2% cubierta con apósito de poliuretano semipermeable autoadhesivo y grupo intervención: apósito con gluconato de clorhexidina al 2%. Se recogieron datos socioclínicos y relacionados con las complicaciones infecciosas. Se realizó un análisis descriptivo e inferencial.. Resultados: Se estudiaron 50 pacientes, 25 en cada grupo. El grupo intervención presentó dos infecciones del orificio de salida y el grupo control, presentó doce casos (OR: 0,176, IC 95%: 0,039-0,790; p=0,013). El grupo intervención presentó un caso de bacteriemia frente a dos episodios del grupo control (OR: 0,533, IC 95%: 0,048-5,892; p=ns). Conclusión: La cura con apósito con gluconato de clorhexidina al 2% es una medida protectora frente a la infección del orificio de salida en comparación con la cura con clorhexidina en solución al 2% y apósito de poliuretano. (AU)

Introduction: The use of central venous catheters for hemodialysis is associated with a higher incidence of infectious complications, leading Clinical Practice Guidelines to recommend various strategies to reduce such complications, with no clear indication of the dressing to use for catheter exit site care. Objectives: To compare the infection rate related to the catheter exit site using two different protocols: dressing with 2% chlorhexidine gluconate versus 2% chlorhexidine solution, both covered with self-adhesive semi-permeable polyurethane dressing for central venous catheters used in hemodialysis. Material and Method: An experimental, controlled, randomized study was conducted in hemodialysis patients with central venous catheters to compare two care protocols. The control group received a 2% chlorhexidine solution covered with a self-adhesive semi-permeable polyurethane dressing, while the intervention group received a dressing with 2% chlorhexidine gluconate. Socio-clinical and infection-related data were collected, and descriptive and inferential analyses were performed. Results: A total of 50 patients were studied, with 25 in each group. The intervention group had two exit site infections, while the control group had twelve cases (OR: 0.176, 95% CI: 0.039-0.790; p=0.013). The intervention group had one case of bacteremia compared to two cases in the control group (OR: 0.533, 95% CI: 0.048-5.892; p=ns). Conclusion: Dressing with 2% chlorhexidine gluconate is a protective measure against exit site infection compared to dressing with 2% chlorhexidine solution and polyurethane dressing. (AU)

New paradigm in the economic literature on global warming.

This study examines how international agreements (especially the 1992 Rio Summit, the 1997 Kyoto Protocol, and the 2015 Paris Agreement) on climate change have fueled rampant economic literature worldwide. However, it has not been systematically classified or distinguished from the more traditional studies in this field. Hence, we use a scientometric analysis using four different approaches: natural language processing (NLP), citation analysis, co-citation network analysis, and content analysis. We conduct an ambitious Boolean search of 30 terms in Scopus and use NLP, along with unsupervised statistical learning techniques and content analysis to classify and analyze 2400 of the most relevant studies in this field. As such, independent results are complementary. We provide novel literature by mapping four major clusters: climate change corporate, climate finance, climate capitalism, and climate gateway belief.

Early identification of local infections in central venous catheters for hemodialysis: A systematic review.

BACKGROUND: The use of central venous catheters (CVC) is associated with higher morbidity and mortality, related to infectious complications, contributing to poorer clinical outcomes and increased healthcare costs. According to the literature, the incidence of local infections related to CVC for hemodialysis is highly variable. This variability is related to differences in definitions of catheter-related infections. OBJECTIVE: To identify signs and symptoms for determining local infections (exit site and tunnel tract infections) used in the literature in tunnelled and nontunnelled CVC for hemodialysis. DESIGN: Systematic review METHODS: Structured electronic searches were conducted in five electronic databases, from 1 January 2000-31 August 2022, using key words and specific vocabulary, as well as manual searches in several journals. Additionally, vascular access clinical guidelines and infection control clinical guidelines were reviewed. RESULTS: After validity analysis, we selected 40 studies and seven clinical guidelines. The definitions of exit site infection and tunnel infection used in the different studies were heterogeneous. Among the studies, seven (17,5 %) used the definitions of exit site and tunnel infection based on a clinical practice guideline. Three of the studies (7.5 %) used the Twardowski scale definition of exit site infection or a modification. The remaining 30 studies (75 %) used different combinations of signs and symptoms. CONCLUSIONS: Definitions of local CVC infections are highly heterogeneous in the revised literature. It is necessary to establish a consensus regarding the definitions of hemodialysis CVC exit site and tunnel infections. REGISTRATION: PROSPERO (CRD42022351097).

Validez de constructo y propiedades psicométricas del cuestionario “Respuestas al afecto positivo” (RAP) / Construct validity and psychometric properties of the questionnaire "Responses to Positive Affect" (RAP)

Los estudios constatan el papel de la rumia depresiva como un amplificador del estado de ánimo negativo, sin embargo, se conoce menos sobre la rumia relacionada con el afecto positivo. Presentamos la validez de constructo y propiedades psicométricas del cuestionario “Respuestas al afecto positivo” (RAP) en una muestra de 302 personas de la población general (55,2% mujeres), con edades entre los 18 y 68 años (M= 28,6; DT= 12,0). Los análisis factorial exploratorio y confirmatorio indican una estructura de dos factores: rumia positiva centrada en la emoción y en la persona (α= 0,88) y amortiguación (α= 0,83), ambos con una adecuada invarianza configural, métrica y escalar por sexo. Los dos factores presentan una adecuada validez convergente, discriminante e incremental con constructos relacionados con el afecto negativo y positivo. Los resultados se discuten atendiendo a los estudios revisados y se propone el RAP como instrumento de evaluación en procedimientos terapéuticos que tratan de potenciar el afecto positivo y el bienestar psicológico. (AU)

Previous studies confirm the role of depressive rumination in the exacerbation of negative mood. However, less is known about rumination in relation to positive affect. We present the construct validity and psychometric properties of the Responses to Positive Affect (RAP) questionnaire in a sample of 302 people from the general population (55.2% female), aged 18-68 years (M= 28.6, SD= 12.0). Exploratory and confirmatory factor analyses indicate a two-factor structure: emotion- and person-centered positive rumination (α= .88) and buffering (α= .83), both with adequate configural, metric and scalar invariance by sex. The two factors present adequate convergent, discriminant and incremental validity with constructs related to negative and positive affect. The results are discussed according to the studies reviewed and the RAP is proposed as an assessment instrument in therapeutic procedures that seek to enhance positive affect and psychological wellbeing. (AU)

Microdeleciones del gen AZF en varones azoospérmicos-oligozoospérmicos / AZF gene microdeletions in azoospermic–oligozoospermic males

Antecedentes y objetivo: La presencia de microdeleciones en las regiones del factor de azoospermia (AZF) del cromosoma Y (YCM) se considera la causa genética más frecuente de infertilidad masculina junto con el síndrome de Klinefelter. El objetivo del estudio fue investigar las frecuencias y tipo de YCM en hombres infértiles en Aragón y analizar la relación entre las hormonas sexuales, la concentración espermática y las microdeleciones en ellos.Pacientes y métodosEstudio descriptivo retrospectivo de 644 varones, durante el periodo 2006-2019, a los que se les realizo el cribado para YCM mediante YChromStrip (Operón, España) por PCR+hibridación reversa, espermiograma, cariotipo y medición de las hormonas sexuales.ResultadosLa frecuencia de YCM fue del 3,88% (25/644), no detectándose en ningún paciente con oligozoospermia leve ni normospérmico, es decir, en recuentos espermáticos superiores a 5×106/ml. El grupo de pacientes azoospérmicos fue el que presentó una frecuencia de YCM más elevada (14,58%, 14/96). Las deleciones en la región AZFc fueron las más frecuentes (68%). El 20% (5/25) de pacientes con YCM presentó además algún tipo de anomalía en el cariotipo que incluyeron aneuploidías, deleciones, duplicaciones o translocaciones. La concentración espermática fue significativamente menor y las concentraciones de FSH y LH significativamente mayores en el grupo de pacientes con YCM.ConclusionesEl cribado de YCM es una prueba clave en el abordaje diagnóstico de la infertilidad masculina. La obtención de un resultado genético adecuado permite elegir técnicas de reproducción asistida idóneas, prevenir tratamientos innecesarios y la transmisión de defectos genéticos a la descendencia. (AU)

Background and objective: The presence of microdeletions in the Y-chromosome azoospermia factor (AZF) region (YCMs) is considered the most frequent genetic cause of male infertility along with Klinefelter syndrome. The objective of this study was to investigate the frequencies and type of YCMs in infertile men in Aragon and to analyze the relationship between sex hormones, sperm count and microdeletions in them.Patients and methodsRetrospective descriptive study of 644 men who during 2006–2019 were screened for YCMs using YChromStrip (Operón, Spain) by PCR+reverse hybridization, spermiogram, karyotype and quantification of sex hormones.ResultsThe frequency of YCMs was 3.88% (25/644), not being detected in any patient with mild or normospermic oligozoospermia, that is, in sperm counts higher than 5×106/mL. The group of azoospermic patients was the one that presented a higher frequency of YCMs (14.58%, 14/96). Deletions in the AZFc region were the most frequent (68%). 20% (5/25) of patients with YCMs also presented some type of karyotype abnormality that included aneuploidies, deletions, duplications and/or translocations. Sperm count was significantly lower and FSH and LH concentrations significantly higher in the group of patients with YCMs.ConclusionsYCMs screening is a key test in the diagnostic approach to male infertility. Obtaining an adequate result allows choosing suitable assisted reproduction techniques, preventing unnecessary treatments and the transmission of genetic defects to offspring. (AU)

[AZF gene microdeletions in azoospermic-oligozoospermic males]. / Microdeleciones del gen AZF en varones azoospérmicos-oligozoospérmicos.

BACKGROUND AND OBJECTIVE: The presence of microdeletions in the Y-chromosome azoospermia factor (AZF) region (YCMs) is considered the most frequent genetic cause of male infertility along with Klinefelter syndrome. The objective of this study was to investigate the frequencies and type of YCMs in infertile men in Aragon and to analyze the relationship between sex hormones, sperm count and microdeletions in them. PATIENTS AND METHODS: Retrospective descriptive study of 644 men who during 2006-2019 were screened for YCMs using YChromStrip (Operón, Spain) by PCR+reverse hybridization, spermiogram, karyotype and quantification of sex hormones. RESULTS: The frequency of YCMs was 3.88% (25/644), not being detected in any patient with mild or normospermic oligozoospermia, that is, in sperm counts higher than 5×106/mL. The group of azoospermic patients was the one that presented a higher frequency of YCMs (14.58%, 14/96). Deletions in the AZFc region were the most frequent (68%). 20% (5/25) of patients with YCMs also presented some type of karyotype abnormality that included aneuploidies, deletions, duplications and/or translocations. Sperm count was significantly lower and FSH and LH concentrations significantly higher in the group of patients with YCMs. CONCLUSIONS: YCMs screening is a key test in the diagnostic approach to male infertility. Obtaining an adequate result allows choosing suitable assisted reproduction techniques, preventing unnecessary treatments and the transmission of genetic defects to offspring.

Current and past factors affecting the quality of aging in a sample of Spanish elderly.

Aging is a multifactorial process influenced by both biological and sociocultural factors. The objective of this study was to identify current and past factors with an impact on the quality of aging in a sample of people 65 years of age or older born in the postwar period after the Spanish civil war. Socioeconomic, health, anthropometric, and food consumption data were collected in public Leisure Centers for the elderly in Madrid. The sample consists of 587 people (64.6% women), with a mean age of 71.8 ±5.3 years. Following the World Health Organization (WHO) guidelines regarding what is considered Healthy Aging, an index called the Index of Quality of Aging was calculated from four variables: the Mini Mental State Examination score, perception of health, satisfaction with life and the number of diseases that affect daily life. Another index called the Diet Inflammation Index was created based on the inflammatory or anti-inflammatory potential of different foods. The Index of Quality of Ageing was used as a dependent variable in linear regression models for men and women. Differences by gender were observed in the factors that influence the quality of aging. Education had a positive influence on men quality of ageing while it does not on women. In these, a relationship between the quality of the current diet and the quality of aging was observed.

The Fetal Growth Restriction at Term Managed by Angiogenic Factors Versus Feto-Maternal Doppler (GRAFD) Trial to Avoid Adverse Perinatal Outcomes: Protocol for a Multicenter, Open-Label, Randomized Controlled Trial.

BACKGROUND: Fetal smallness affects 10% of pregnancies. Small fetuses are at a higher risk of adverse outcomes. Their management using estimated fetal weight and feto-maternal Doppler has a high sensitivity for adverse outcomes; however, more than 60% of fetuses are electively delivered at 37 to 38 weeks. On the other hand, classification using angiogenic factors seems to have a lower false-positive rate. Here, we present a protocol for the Fetal Growth Restriction at Term Managed by Angiogenic Factors Versus Feto-Maternal Doppler (GRAFD) trial, which compares the use of angiogenic factors and Doppler to manage small fetuses at term. OBJECTIVE: The primary objective is to demonstrate that classification based on angiogenic factors is not inferior to estimated fetal weight and Doppler at detecting fetuses at risk of adverse perinatal outcomes. METHODS: This is a multicenter, open-label, randomized controlled trial conducted in 20 hospitals across Spain. A total of 1030 singleton pregnancies with an estimated fetal weight ≤10th percentile at 36+0 to 37+6 weeks+days will be recruited and randomly allocated to either the control or the intervention group. In the control group, standard Doppler-based management will be used. In the intervention group, cases with a soluble fms-like tyrosine kinase to placental growth factor ratio ≥38 will be classified as having fetal growth restriction; otherwise, they will be classified as being small for gestational age. In both arms, the fetal growth restriction group will be delivered at ≥37 weeks and the small for gestational age group at ≥40 weeks. We will assess differences between the groups by calculating the relative risk, the absolute difference between incidences, and their 95% CIs. RESULTS: Recruitment for this study started on September 28, 2020. The study results are expected to be published in peer-reviewed journals and disseminated at international conferences in early 2023. CONCLUSIONS: The angiogenic factor-based protocol may reduce the number of pregnancies classified as having fetal growth restriction without worsening perinatal outcomes. Moreover, reducing the number of unnecessary labor inductions would reduce costs and the risks derived from possible iatrogenic complications. Additionally, fewer inductions would lower the rate of early-term neonates, thus improving neonatal outcomes and potentially reducing long-term infant morbidities. TRIAL REGISTRATION: ClinicalTrials.gov NCT04502823; https://clinicaltrials.gov/ct2/show/NCT04502823. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/37452.

Factores de riesgo para el desarrollo de complicaciones de la herida quirúrgica en el trasplante renal / Risk factors for the development of surgical wound complications in renal transplantation

Introducción: Las complicaciones quirúrgicas suponen un riesgo para el paciente tras el trasplante renal, siendo diver-sos los posibles factores de riesgo implicados. Objetivo: Determinar qué factores de riesgo contribuyen a la aparición de complicaciones de la herida quirúrgica en pa-cientes sometidos a un trasplante renal.Material y Método: Estudio de cohorte retrospectivo en pa-cientes trasplantados renales desde enero 2018 a diciembre 2021. Se recogieron datos sociodemográficos y clínicos del donante y del receptor. Se analizó la incidencia de infección y dehiscencia de la herida quirúrgica y sus factores de riesgo.Resultados: Presentaron infección el 13,5% de los pacien-tes y dehiscencia el 15,9% de la muestra, siendo pacientes con más edad (61,71±9,81 años frente a 56,56±11,88 años; p=0,030), con mayor tasa de sobrepeso según su IMC (42,9% frente 19,6%; p=0,046) y una mayor comorbilidad asociada (3,07±1,54 frente a 2,23±1,38 puntos; p=0,003). De los pa-cientes con infección, el 53,6% presentó, además, dehiscen-cia superficial de la herida. El exudado apareció en el 90,9% de los casos que desarrollaron una dehiscencia frente al 12,1% de los pacientes que no sufrieron dicha complicación (p<0,001).Conclusiones: La infección y la dehiscencia son complicacio-nes frecuentes tras el TR. La edad, el sobrepeso, comorbili-dad alta y el exudado son factores de riesgo para desarrollar complicaciones de la herida quirúrgica tras el trasplante renal. (AU)

Introduction: Surgical complications are a risk for the patient after kidney transplantation, with several possible risk factors involved. Objective:To determine which risk factors contribute to the development of surgical wound complications in renal trans-plant patients.Material and Method:Retrospective cohort study in renal transplant patients from January 2018 to December 2021. Sociodemographic and clinical data were collected from the donor and recipient. The incidence of surgical wound infec-tion and dehiscence, and risk factors were analysed.Results: 13.5% of the patients presented infection and 15.9% dehiscence, being older patients (61.71±9.81 years versus 56.56±11.88 years; p=0.030), with a higher rate of overwei-ght according to BMI (42.9% versus 19.6%; p=0.046) and a higher associated comorbidity (3.07±1.54 versus 2.23±1.38; p=0.003). Of the patients with infection, 53.6% also had su-perficial wound dehiscence. Exudate appeared in 90.9% of the cases who developed dehiscence compared to 12.1% of the patients who did not suffer such a complication (p<0.001).Conclusions: Infection and dehiscence are frequent compli-cations after renal transplantation. Age, overweight, high co-morbidity and exudate are risk factors for developing surgical wound complications after renal transplantation. (AU)

Clinical study comparing the accuracy of interocclusal records, digitally obtained by three different devices.

OBJECTIVE: The aim of the present cross-sectional study was to compare the interocclusal contact records obtained by three different digital methods (intra- and extraoral digital scanners and T-Scan III system) with the conventional method (articulating paper). MATERIALS AND METHODS: Twenty-five healthy volunteers were selected. As a control group, maximum intercuspation occlusal contacts were registered and photographed from the patients with an 8 µm articulating paper. Then, intraoral conventional elastomer impressions were taken and after obtaining the corresponding plaster models of every patient they were scanned with an extraoral scanner (Zfx Evolution, Zimmer Biomet Dental) (group 1). Moreover, digital impressions were made with an intraoral scanner (Trios Color POD, Phibo, 3Shape) and contacts were also registered (group 2). Finally, T-Scan III records were made and stored for further analysis (group 3). Two previously calibrated examiners independently evaluated the interocclusal contacts from every group. Data was analyzed by using Kappa index test and Pearson's chi-square test. Diagnostic tests and ROC curve were also performed. RESULTS: Kappa interoperator index was 70.6% (better agreement). In Kappa intraoperator index, the best value was obtained in the intraoral scanner group (moderate agreement) and the worst with T-Scan III group (low agreement). ROC curve showed highest values in the intraoral scanner group (0.817) and lowest values in the T-Scan III group (0.613). CONCLUSION: Results suggest greater reliability to record occlusal contacts with the intraoral scanner. CLINICAL RELEVANCE: Intraoral scanners seem to be reliable in registering intermaxillary occlusal contacts when compared with the current gold standard.

Validity of a catheter exit site clinical assessment scale for the early detection of exit site infections in patients on haemodialysis with a central venous catheter: protocol for a multicentre validation study in Spain (EXITA Study).

INTRODUCTION: Haemodialysis patients with central venous catheter (HD-CVC) are at increased risk of exit site infections (ESIs) and catheter-related bloodstream infections, causing an increase of hospitalisation, morbidity and mortality rates. The main aim of the EXITA Study is to develop and validate an instrument for the early detection of HD-CVC ESIs. METHODS AND ANALYSIS: EXITA is a multicentre prospective cohort study to validate the proposed instrument with a sample of 457 HD-CVCs: 92 in the ESI group and 365 in the non-ESI group. Sample size was calculated using Epidat V.4.2 software, with 95% and 90% expected sensitivity and specificity, respectively, an ESI incidence around 20% and 5%-10% precision range. During each haemodialysis session, the absence or presence of each item will be assessed by nurses. If any item is present, a microbiological study of pericatheter skin smears and/or exit site exudate will be carried out. HD-CVC ESI will be diagnosed when the pericatheter skin smears and/or exit site exudate culture are positive (≥15 CFU/mL by semiquantitative Maki's technique or ≥1000 CFU/mL by Cleri's technique). To validate the scale, a logistic regression analysis will be performed: the ß coefficients of each of the signs/symptoms of the scale to be validated will be estimated. We will use logit function and calculate ESI probability=elogit ESI/1+elogit ESI. ETHICS AND DISSEMINATION: The study has been approved by the Research Ethics Committee with Medical Products of Cantabria (approval code 2019.146). We will obtain informed consent from all participants before data collection. We will publish the study results in a peer-reviewed scientific journal.