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1.
Anim Microbiome ; 6(1): 36, 2024 Jun 25.
Artículo en Inglés | MEDLINE | ID: mdl-38918824

RESUMEN

Mounting evidence of the occurrence of direct and indirect interactions between the human blood fluke, Schistosoma mansoni, and the gut microbiota of rodent models raises questions on the potential role(s) of the latter in the pathophysiology of hepatointestinal schistosomiasis. However, substantial differences in both the composition and function between the gut microbiota of laboratory rodents and that of humans hinders an in-depth understanding of the significance of such interactions for human schistosomiasis. Taking advantage of the availability of a human microbiota-associated mouse model (HMA), we have previously highlighted differences in infection-associated changes in gut microbiota composition between HMA and wildtype (WT) mice. To further explore the dynamics of schistosome-microbiota relationships in HMA mice, in this study we (i) characterize qualitative and quantitative changes in gut microbiota composition of a distinct line of HMA mice (D2 HMA) infected with S. mansoni prior to and following the onset of parasite egg production; (ii) profile local and systemic immune responses against the parasite in HMA as well as WT mice and (iii) assess levels of faecal inflammatory markers and occult blood as indirect measures of gut tissue damage. We show that patent S. mansoni infection is associated with reduced bacterial alpha diversity in the gut of D2 HMA mice, alongside expansion of hydrogen sulphide-producing bacteria. Similar systemic humoral responses against S. mansoni in WT and D2 HMA mice, as well as levels of faecal lipocalin and markers of alternatively activated macrophages, suggest that these are independent of baseline gut microbiota composition. Qualitative comparative analyses between faecal microbial profiles of S. mansoni-infected WT and distinct lines of HMA mice reveal that, while infection-induced alterations of the gut microbiota composition are highly dependent on the baseline flora, bile acid composition and metabolism may represent key elements of schistosome-microbiota interactions through the gut-liver axis.

2.
J Pediatr Gastroenterol Nutr ; 77(1): 31-38, 2023 07 01.
Artículo en Inglés | MEDLINE | ID: mdl-37040073

RESUMEN

OBJECTIVES: In infants with suspected food protein induced proctocolitis (sFPIP) only a minority of patients are finally diagnosed with the disease following diagnostic dietary intervention (DDI). There is a need for a pathophysiological explanation for the cause of hematochezia in the majority of sFPIP infants. METHODS: We prospectively recruited infants with sFPIP and healthy controls. Fecal samples were collected at inclusion, week 4 (end of DDI in sFPIP), and week 8. For 16S rRNA sequencing (515F/806R) we used Illumina MiSeq sequencing system. Amplicon sequence variants were generated using Qiime2 and DADA2. Qiime diversity alpha and beta group comparisons and linear discriminant analysis effect size analysis was performed. For shotgun metagenomic analysis on species level we used KneadData and MetaPhlAn2. RESULTS: Fourteen sFPIP infants were compared to 55 healthy infants. At inclusion overall microbial composition of sFPIP infants differed significantly from controls (weighted UniFrac; Pairwise PERMANOVA, P = 0.002, pseudo- F = 5.008). On genus level healthy infant microbiota was significantly enriched with Bifidobacterium ( B ) compared to sFPIP patients (linear discriminant analysis [LDA] = 5.5, P < 0.001, 31.3% vs 12.1%). sFPIP stool was significantly enriched by Clostridium sensu stricto 1 over controls (LDA = 5.3, P = 0.003, 3.5% vs 18.3%). DDI caused a significant and sustained increase of Bifidobacterium (LDA = 5.4, P = 0.048, 27.9%) in sFPIP infants. Species level analysis revealed significant reduction of abundance of B longum in sFPIP patients, which after DDI was reversed by B. species other than B longum . CONCLUSIONS: We revealed a gut microbiota dysbiosis phenomenon in sFPIP infants. DDI induces a microbiota composition comparable to that of healthy infants. In most sFPIP infants hematochezia might be triggered by a gut microbiota dysbiosis phenomenon.


Asunto(s)
Microbioma Gastrointestinal , Proctocolitis , Humanos , Lactante , Bifidobacterium , Disbiosis , Heces/microbiología , Estudios Prospectivos , ARN Ribosómico 16S/genética
3.
Nat Commun ; 14(1): 1863, 2023 04 03.
Artículo en Inglés | MEDLINE | ID: mdl-37012228

RESUMEN

Schistosomiasis is a parasitic disease affecting over 200 million people in multiple organs, including the lungs. Despite this, there is little understanding of pulmonary immune responses during schistosomiasis. Here, we show type-2 dominated lung immune responses in both patent (egg producing) and pre-patent (larval lung migration) murine Schistosoma mansoni (S. mansoni) infection. Human pre-patent S. mansoni infection pulmonary (sputum) samples revealed a mixed type-1/type-2 inflammatory cytokine profile, whilst a case-control study showed no significant pulmonary cytokine changes in endemic patent infection. However, schistosomiasis induced expansion of pulmonary type-2 conventional dendritic cells (cDC2s) in human and murine hosts, at both infection stages. Further, cDC2s were required for type-2 pulmonary inflammation in murine pre-patent or patent infection. These data elevate our fundamental understanding of pulmonary immune responses during schistosomiasis, which may be important for future vaccine design, as well as for understanding links between schistosomiasis and other lung diseases.


Asunto(s)
Neumonía , Esquistosomiasis mansoni , Esquistosomiasis , Humanos , Ratones , Animales , Schistosoma mansoni/fisiología , Estudios de Casos y Controles , Esquistosomiasis/parasitología , Citocinas , Células Dendríticas
4.
Eur J Nucl Med Mol Imaging ; 50(1): 103-114, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36048259

RESUMEN

PURPOSE: Progressive supranuclear palsy (PSP) is primary 4-repeat tauopathy. Evidence spanning from imaging studies indicate aberrant connectivity in PSPs. Our goal was to assess functional connectivity network alterations in PSP patients and the potential link between regional tau-burden and network-level functional connectivity using the next-generation tau PET tracer [18F]PI-2620 and resting-state functional MRI (fMRI). MATERIAL AND METHODS: Twenty-four probable PSP patients (70.9 ± 6.9 years, 13 female), including 14 Richardson syndrome (RS) and 10 non-RS phenotypes, underwent [18F]PI-2620 PET/MRI imaging. Distribution volume ratios (DVRs) were estimated using non-invasive pharmacokinetic modeling. Resting-state fMRI was also acquired in these patients as well as in thirteen older non-AD MCI reference group (64 ± 9 years, 4 female). The functional network was constructed using 141 by 141 region-to-region functional connectivity metrics (RRC) and network-based statistic was carried out (connection threshold p < 0.001, cluster threshold pFDR < 0.05). RESULTS: In total, 9870 functional connections were analyzed. PSPs compared to aged non-AD MCI reference group expressed aberrant connectivity evidenced by the significant NBS network consisting of 89 ROIs and 118 connections among them (NBS mass 4226, pFDR < 0.05). Tau load in the right globus pallidus externus (GPe) and left dentate nucleus (DN) showed significant effects on functional network connectivity. The network linked with increased tau load in the right GPe was associated with hyperconnectivity of low-range intra-opercular connections (NBS mass 356, pFDR < 0.05), while the network linked with increased tau load in the left cerebellar DN was associated with cerebellar hyperconnectivity and cortico-cerebellar hypoconnectivity (NBS mass 517, pFDR < 0.05). CONCLUSIONS: PSP patients show altered functional connectivity. Network incorporating deep gray matter structures demonstrate hypoconnectivity, cerebellum hyperconnectivity, while cortico-cortical connections show variable changes. Tau load in the right GPe and left DN is associated with functional networks which strengthen low-scale intra-opercular and intra-cerebellar connections and weaken opercular-cerebellar connections. These findings support the concept of tau load-dependent functional network changes in PSP, by that providing evidence for downstream effects of neuropathology on brain functionality in this primary tauopathy.


Asunto(s)
Parálisis Supranuclear Progresiva , Tauopatías , Femenino , Humanos , Cerebelo/metabolismo , Imagen por Resonancia Magnética , Tomografía de Emisión de Positrones/métodos , Parálisis Supranuclear Progresiva/diagnóstico por imagen , Proteínas tau/metabolismo , Masculino , Persona de Mediana Edad , Anciano
5.
Int Orthop ; 46(3): 523-529, 2022 03.
Artículo en Inglés | MEDLINE | ID: mdl-34618195

RESUMEN

INTRODUCTION: The diagnosis and management of periprosthetic knee and hip infections as well as the identification and management of possible additional infectious foci is of great importance for successful therapy. This study analyses the importance of 18F deoxyglucose PET-CT (PET-CT) in the identification of additional infectious focus and subsequent impact on management of periprosthetic infection (PPI). MATERIAL AND METHODS: A retrospective analysis of the clinical data and findings in the period from January 2008 to December 2018 was carried out. One hundred and four patients with in-hospital treatment due to PPI of a hip or knee joint were identified and included in this study. All patients underwent a standardized clinical examination and further surgical and antibiotic therapy. The reevaluation of performed PET-CTs was specifically carried out with regard to the local PPI or detection of secondary foci. RESULTS: PET-CT successfully verified the PPI in 84.2% of the patients. A total of 78 possible additional foci were detected in PET-CT in 56 (53.8%) of the examined patients. Predilection sites for possible secondary foci were joints (42.3%), pulmonary (15.4%), ear-nose-throat (15.4%), spine (11.5%), and the musculocutaneous tissues (11.5%). Fifty-four positive PET-CT findings were confirmed clinically with need of additional adequate treatment. CONCLUSION: PET-CT is a valuable diagnostic tool to confirm periprosthetic joint infection. At the same time, the whole-body PET/CT may detect additional foci of infection with impact on subsequent treatment strategy. PET was of special value in detecting infections at distant locations far from the primary infected joint in significant number. These distant infection locations can be potential cause of a re-infection. This clearly reflects the need of their diagnosis.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Infecciones Relacionadas con Prótesis , Antibacterianos/uso terapéutico , Artroplastia de Reemplazo de Cadera/efectos adversos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Articulación de la Cadera/diagnóstico por imagen , Articulación de la Cadera/cirugía , Humanos , Articulación de la Rodilla/diagnóstico por imagen , Articulación de la Rodilla/cirugía , Tomografía Computarizada por Tomografía de Emisión de Positrones , Infecciones Relacionadas con Prótesis/diagnóstico por imagen , Infecciones Relacionadas con Prótesis/terapia , Estudios Retrospectivos
6.
Sci Rep ; 10(1): 14524, 2020 09 03.
Artículo en Inglés | MEDLINE | ID: mdl-32883977

RESUMEN

Serum brain-derived neurotrophic factor (BDNF) reflects state changes in mood disorders. But its relation to brain changes in depression has rarely been investigated in humans. We assessed the association between serum BDNF, cortical thickness, or gray matter volume in 20 subjects with a minor depressive episode and 40 matched healthy subjects. Serum BDNF positively correlated with cortical thickness and volume in multiple brain regions in the minor depression group: the bilateral medial orbitofrontal cortex and rostral anterior cingulate cortex, left insula, and cingulum, right superior frontal gyrus, and other regions-regions typically affected by major depression. Interestingly, these correlations were driven by subjects with first episode depression. There was no significant association between these imaging parameters and serum BDNF in the healthy control group. Interaction analyses supported this finding. Our findings point to a specific association between serum BDNF and magnetic resonance imaging parameters in first-episode minor depression in a region- and condition-dependent manner. A positive correlation between serum BDNF and structural gray matter estimates was most consistently observed for cortical thickness. We discuss why cortical thickness should be preferred to volumetric estimates for such analyses in future studies. Results of our pilot study have to be proven in future larger-scale studies yielding higher statistical power.


Asunto(s)
Biomarcadores/sangre , Factor Neurotrófico Derivado del Encéfalo/sangre , Depresión/sangre , Anciano , Corteza Cerebral/diagnóstico por imagen , Depresión/diagnóstico por imagen , Femenino , Humanos , Imagen por Resonancia Magnética , Masculino
7.
Int J Law Psychiatry ; 71: 101597, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32768099

RESUMEN

OBJECTIVE: The present study aimed to characterize involuntary psychiatric admissions and coercive measures within psychiatric hospitals regarding their temporal development and processual aspects. Moreover, the influence of socio-economic factors on involuntary admissions and coercive measures was investigated. METHODS: Different data sets from the federal state of North-Rhine Westphalia (NRW) were used in this study. In addition to a survey in which n = 33 hospitals responded (40.7%), official data from the Federal Health Ministry were analysed over a decade regarding involuntary admissions and coercive measures. These data were available for all n = 54 districts, respectively, all n = 81 psychiatric hospitals in NRW. Datasets were mainly analysed comparing different socio-economic clusters. RESULTS: The hospital admission rate increased significantly over time (from 1.12 to 1.34 per 1000 inhabitants) within ten years. However, whereas the admission rates differed significantly between socio-economic clusters, the amount of coercive measures used in the hospitals did not. Compared to general psychiatry and addiction medicine, geriatric psychiatry had the highest amount of involuntary admissions (12.2% under public law, 14.1% under civil law). Furthermore, most coercive measures lasted at least an hour. CONCLUSION: It seems that, despite intense discussions and enhanced efforts to reduce coercion, there are still some neglected aspects, such as the need for coercive measures and their duration, particularly in the geriatric psychiatric setting. In addition, the results show that further approaches to prevent involuntary admissions are needed to address other stakeholders beyond the hospitals and further aspects of the socio-economic environment.


Asunto(s)
Control de la Conducta/métodos , Coerción , Hospitales Psiquiátricos , Internamiento Involuntario , Admisión del Paciente/estadística & datos numéricos , Internamiento Obligatorio del Enfermo Mental/legislación & jurisprudencia , Alemania , Humanos , Restricción Física , Factores Socioeconómicos
8.
BJS Open ; 3(6): 793-801, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31832586

RESUMEN

Background: Liver resection is the only curative therapeutic option for intrahepatic cholangiocarcinoma (ICC), but the approach to recurrent ICC is controversial. This study analysed the outcome of liver resection in patients with recurrent ICC. Methods: Demographic, radiological, clinical, operative, surgical pathological and follow-up data for all patients with a final surgical pathological diagnosis of ICC treated in a tertiary referral centre between 2001 and 2015 were collected retrospectively and analysed. Results: A total of 190 patients had liver resection for primary ICC. The 1-, 3- and 5-year overall survival (OS) rates were 74·8, 56·6 and 37·9 per cent respectively. Independent determinants of OS were age 65 years or above (hazard ratio (HR) 2·18, 95 per cent c.i. 1·18 to 4·0; P = 0·012), median tumour diameter 5 cm or greater (HR 2·87, 1·37 to 6·00; P = 0·005), preoperative biliary drainage (HR 2·65, 1·13 to 6·20; P = 0·025) and local R1-2 status (HR 1·90, 1·02 to 3·53; P = 0·043). Recurrence was documented in 87 patients (45·8 per cent). The mean(s.d.) survival time after recurrence was 16(17) months. Independent determinants of recurrence were median tumour diameter 5 cm or more (HR 1·71, 1·09 to 2·68; P = 0·020), high-grade (G3-4) tumour (HR 1·63, 1·04 to 2·55; P = 0·034) and local R1 status (HR 1·70, 1·09 to 2·65; P = 0·020). Repeat resection with curative intent was performed in 25 patients for recurrent ICC, achieving a mean survival of 25 (95 per cent c.i. 16 to 34) months after the diagnosis of recurrence. Patients deemed to have unresectable disease after recurrence received chemotherapy or chemoradiotherapy alone, and had significantly poorer survival. Conclusion: Patients with recurrent ICC may benefit from repeat surgical resection.


Antecedentes: La resección hepática es la única opción terapéutica curativa para el colangiocarcinoma intrahepático (intrahepatic colangiocarcinoma, iCCA), pero el enfoque terapéutico de la recidiva del iCCA es controvertido. En este estudio se analizaron los resultados de la resección hepática en pacientes con recidiva de un iCCA. Métodos: Se recopilaron de forma retrospectiva y se analizaron los datos demográficos, radiológicos, clínicos, quirúrgicos, de anatomía patológica y de seguimiento de todos los pacientes con diagnóstico anatomopatológico definitivo de iCCA en un centro de referencia terciario entre 2001 y 2015. Resultados: En total, 190 pacientes se sometieron a resección hepática por iCCA primario. La supervivencia global (overall survival, OS) a 1, 3 y 5 años fue del 75%, 57% y 38%, respectivamente. La edad de ≥ 65 años (cociente de riesgos instantáneos, hazard ratio, HR 2,2, i.c. del 95% 1,2­4,0, P = 0,012), la mediana del diámetro del tumor ≥ 5 cm (HR 2,9, i.c. del 95% 1,4­6,0, P = 0,005), el drenaje biliar preoperatorio (HR 2,6, i.c. del 95% 1,3­6,2, P = 0.025) y el estado local R1/2 (HR 1,9, i.c. del 95% 1,0­3,5, P = 0,043) fueron factores pronósticos independientes de la OS. La recidiva se documentó en 87 (45,8%) pacientes. El tiempo medio de supervivencia después de la recidiva fue de 16 ± 2 meses. Los factores pronósticos independientes de recidiva fueron la mediana del diámetro del tumor ≥ 5 cm (HR 1,7, i.c. del 95% 1,1­2,7, P = 0,020), el tumor de alto grado (G3­G4) (HR 1,6, i.c. del 95% 1,0­2,5, P = 0,034) y el estado local R1 (HR 1,7, i.c. del 95% 1,1­2,6, P = 0,020). La resección repetida con intención curativa se realizó en 25 pacientes con iCCA recidivado, con una supervivencia media de 25 meses (i.c. del 95% 16­34 meses) tras el diagnóstico de recidiva. Los pacientes que se consideraron no resecables después de la recidiva se sometieron a quimioterapia o quimiorradioterapia y presentaron una supervivencia significativamente peor. Conclusión: Los pacientes con recidiva de un iCCA pueden beneficiarse de la resección quirúrgica repetida.


Asunto(s)
Neoplasias de los Conductos Biliares/cirugía , Conductos Biliares Intrahepáticos/cirugía , Colangiocarcinoma/cirugía , Hepatectomía , Recurrencia Local de Neoplasia/cirugía , Adulto , Anciano , Anciano de 80 o más Años , Neoplasias de los Conductos Biliares/mortalidad , Neoplasias de los Conductos Biliares/patología , Conductos Biliares Intrahepáticos/patología , Colangiocarcinoma/mortalidad , Colangiocarcinoma/patología , Supervivencia sin Enfermedad , Femenino , Humanos , Masculino , Persona de Mediana Edad , Recurrencia Local de Neoplasia/mortalidad , Recurrencia Local de Neoplasia/patología , Modelos de Riesgos Proporcionales , Reoperación/estadística & datos numéricos , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia , Centros de Atención Terciaria/estadística & datos numéricos , Adulto Joven
9.
Nanoscale ; 11(28): 13458-13468, 2019 Jul 18.
Artículo en Inglés | MEDLINE | ID: mdl-31287475

RESUMEN

The large number of nanomaterial-based applications emerging in the materials and life sciences and the foreseeable increasing use of these materials require methods that evaluate and characterize the toxic potential of these nanomaterials to keep safety risks to people and environment as low as possible. As nanomaterial toxicity is influenced by a variety of parameters like size, shape, chemical composition, and surface chemistry, high throughput screening (HTS) platforms are recommended for assessing cytotoxicity. Such platforms are not yet available for genotoxicity testing. Here, we present first results obtained for application-relevant nanomaterials using an automatable genotoxicity platform that relies on the quantification of the phosphorylated histone H2AX (γ-H2AX) for detecting DNA double strand breaks (DSBs) and the automated microscope system AKLIDES® for measuring integral fluorescence intensities at different excitation wavelengths. This platform is used to test the genotoxic potential of 30 nm-sized citrate-stabilized gold nanoparticles (Au-NPs) as well as micellar encapsulated iron oxide nanoparticles (FeOx-NPs) and different cadmium (Cd)-based semiconductor quantum dots (QDs), thereby also searching for positive and negative controls as reference materials. In addition, the influence of the QD shell composition on the genotoxic potential of these Cd-based QDs was studied, using CdSe cores as well as CdSe/CdS core/shell and CdSe/CdS/ZnS core/shell/shell QDs. Our results clearly revealed the genotoxicity of the Au-NPs and its absence in the FeOx-NPs. The genotoxicity of the Cd-QDs correlates with the shielding of their Cd-containing core, with the core/shell/shell architecture preventing genotoxicity risks. The fact that none of these nanomaterials showed cytotoxicity at the chosen particle concentrations in a conventional cell viability assay underlines the importance of genotoxicity studies to assess the hazardous potential of nanomaterials.


Asunto(s)
Cadmio/química , Histonas/metabolismo , Pruebas de Mutagenicidad/métodos , Nanoestructuras/toxicidad , Puntos Cuánticos/química , Cadmio/toxicidad , Supervivencia Celular , Roturas del ADN de Doble Cadena/efectos de los fármacos , Compuestos Férricos/química , Compuestos Férricos/toxicidad , Fluorometría , Oro/química , Oro/toxicidad , Nanopartículas del Metal/química , Nanopartículas del Metal/toxicidad , Pruebas de Mutagenicidad/instrumentación , Nanoestructuras/química , Tamaño de la Partícula , Fosforilación/efectos de los fármacos , Puntos Cuánticos/toxicidad
10.
Nervenarzt ; 89(9): 999-1008, 2018 Sep.
Artículo en Alemán | MEDLINE | ID: mdl-29876598

RESUMEN

Ayurveda is a traditional Indian system of medicine that is more than 3000 years old, consisting mostly of a specific diet, oily infusions mainly in the area of the head, enemas, medicinal plants and yoga. It is based on a naturopathic and anthropological belief in association with the hinduistic religion. Ayurveda has been practiced very successfully in India but so far it has only been insufficiently appreciated by western medicine, especially psychiatry. An exception is Scharfetter from Zürich who wrote a review article on this topic in 1976. Nevertheless, it is probable that particularly the immunological mechanisms of psychotic and affective disorders can be influenced by the application of ayurvedic methods; however, the empirical data source, particularly with respect to randomized controlled trials and meta-analyses regarding psychiatric disorder symptoms is limited. Even if Ayurveda is applied in a highly individualized manner, this should be rapidly improved for further evidential assessment. First positive experiences in the neuropsychiatric field in Germany are already available.


Asunto(s)
Medicina Ayurvédica , Trastornos Mentales , Plantas Medicinales , Suplementos Dietéticos , Alemania , India , Medicina Ayurvédica/normas , Trastornos Mentales/terapia
11.
Chirurg ; 89(12): 993-1001, 2018 Dec.
Artículo en Alemán | MEDLINE | ID: mdl-29858649

RESUMEN

BACKGROUND: Laparoscopic liver resection belongs to the standard repertoire in hepatobiliary surgery. The advantages and disadvantages are still the subject of controversial discussion. OBJECTIVE: The aim of the study was to compare the perioperative and long-term outcomes of laparoscopic and open liver resections. MATERIAL AND METHODS: All patients who underwent liver resection in the Department of Surgery at the certified liver center of the  municipal hospital Karlsruhe were analyzed. From a total of 268 hepatic resections 65 laparoscopic liver resections were identified and matched 1:1 with 65 open resections, based primarily on the extent of the resection and secondarily on diagnosis, age and gender of the patients. The demographic data, comorbidities, perioperative and long-term outcomes were compared. RESULTS: Both groups had comparable demographic parameters and comorbidities. Operation time, duration of intensive care stay and percentage of negative resection margins were comparable in both groups. The 30-day mortality was 0% and 90-day mortality 1.5% in both groups. The laparoscopic group showed lower intraoperative and postoperative transfusion rates (p < 0.001), shorter hospital stay (p < 0.001) and lower overall morbidity (p < 0.001). The 1-, 3- and 5-year overall and tumor-free survival of patients with colorectal liver metastases was comparable (p = 0.984; p = 0.947). The same applied for patients with hepatocellular carcinomas (p = 0.803; p = 0.935). CONCLUSION: Laparoscopic liver resections have identical long-term outcomes with lower overall morbidity. Laparoscopic liver resections offer advantages regarding transfusion rates, length of hospital stay and postoperative complications.


Asunto(s)
Hepatectomía , Laparoscopía , Neoplasias Hepáticas , Hepatectomía/métodos , Humanos , Tiempo de Internación , Neoplasias Hepáticas/cirugía , Análisis por Apareamiento , Estudios Retrospectivos , Resultado del Tratamiento
12.
Nervenarzt ; 89(1): 71-77, 2018 Jan.
Artículo en Alemán | MEDLINE | ID: mdl-28785776

RESUMEN

BACKGROUND: Recidivism rates in substance-addicted patients placed in institutions according to §64 of the German legal code are approximately 50%, 3 years after discharge from inpatient treatment. The recidivism rates of patients with premature termination of inpatient treatment who had then been referred back to prison and were finally discharged into the community are unknown. RESEARCH QUESTION: Is premature termination of treatment a risk factor for recidivism? METHODS: Patients released from forensic treatment according to § 64 of the German legal code were followed up for violent and non-violent recidivism. Full data were acquired for Baden-Württemberg patients released in 2010 and 2011 with regular vs. premature termination of treatment. RESULTS: All measures revealed highly significant group differences: 48% of the patients discharged after subsequent prison sentences recidivated within the first year and 73% within 3 years after discharge. Among recidivists, the severity of offences was much higher (odds ratio > 3.8 each). Regularly discharged patients also re-offended to a remarkable extent (50%). DISCUSSION: Patients serving prison sentences after unsuccessful forensic treatment are a high-risk group for recidivism. Alternative concepts of clinical and legal treatment of this group should be developed.


Asunto(s)
Crimen/legislación & jurisprudencia , Crimen/psicología , Pacientes Desistentes del Tratamiento/psicología , Prisioneros/legislación & jurisprudencia , Prisioneros/psicología , Psicoterapia/legislación & jurisprudencia , Trastornos Relacionados con Sustancias/rehabilitación , Adulto , Femenino , Estudios de Seguimiento , Psiquiatría Forense/legislación & jurisprudencia , Alemania , Humanos , Masculino , Estudios Prospectivos , Psicotrópicos , Recurrencia , Factores de Riesgo , Trastornos Relacionados con Sustancias/psicología
13.
Aliment Pharmacol Ther ; 47(1): 67-77, 2018 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-29052237

RESUMEN

BACKGROUND: Faecal microbiota transplantation is an experimental approach for the treatment of patients with ulcerative colitis. Although there is growing evidence that faecal microbiota transplantation is effective in this disease, factors affecting its response are unknown. AIMS: To establish a faecal microbiota transplantation treatment protocol in ulcerative colitis patients, and to investigate which patient or donor factors are responsible for the treatment success. METHODS: This is an open controlled trial of repeated faecal microbiota transplantation after antibiotic pre-treatment (FMT-group, n = 17) vs antibiotic pre-treatment only (AB-group, n = 10) in 27 therapy refractory ulcerative colitis patients over 90 days. Faecal samples of donors and patients were analysed by 16SrRNA gene-based microbiota analysis. RESULTS: In the FMT-group, 10/17 (59%) of patients showed a response and 4/17 (24%) a remission to faecal microbiota transplantation. Response to faecal microbiota transplantation was mainly influenced by the taxonomic composition of the donor's microbiota. Stool of donors with a high bacterial richness (observed species remission 946 ± 93 vs no response 797 ± 181 at 15367 rps) and a high relative abundance of Akkermansia muciniphila (3.3 ± 3.1% vs 0.1 ± 0.2%), unclassified Ruminococcaceae (13.8 ± 5.0% vs 7.5 ± 3.7%), and Ruminococcus spp. (4.9 ± 3.5% vs 1.0 ± 0.7%) were more likely to induce remission. In contrast antibiotic treatment alone (AB-group) was poorly tolerated, probably because of a sustained decrease of intestinal microbial richness. CONCLUSIONS: The taxonomic composition of the donor's intestinal microbiota is a major factor influencing the efficacy of faecal microbiota transplantation in ulcerative colitis patients. The design of specific microbial preparation might lead to new treatments for ulcerative colitis.


Asunto(s)
Colitis Ulcerosa/terapia , Trasplante de Microbiota Fecal/métodos , Microbioma Gastrointestinal , Adulto , Antibacterianos/administración & dosificación , Heces/microbiología , Humanos , Masculino , Microbiota , Persona de Mediana Edad , Estudios Prospectivos , Inducción de Remisión , Ruminococcus , Resultado del Tratamiento , Adulto Joven
14.
Nervenarzt ; 89(1): 8-17, 2018 Jan.
Artículo en Alemán | MEDLINE | ID: mdl-28251242

RESUMEN

BACKGROUND: The symptom "delusions" is a central psychopathological symptom in psychiatric diseases. Since the beginning of psychiatry various disciplines have attempted to explain and understand delusions but even now no generally accepted definition of this phenomenon exists. AIM: A comprehensive review of current psychopathological and neurobiological theories of delusions is given. MATERIAL AND METHODS: PubMed and Google scholar searches were performed using the keywords "delusion", "psychodynamic" and "neurobiology", both in English and German. Relevant German textbooks of psychiatry were also included. DISCUSSION: A differentiated perspective of the phenomenon of delusions appears to be necessary to approach this complex and fascinating symptom. A one-dimensional approach does not do justice to the complexity of delusions. The various explanatory approaches can increasingly be linked to each other and are no longer considered to be mutually exclusive.


Asunto(s)
Deluciones/psicología , Trastornos Neurocognitivos/psicología , Teoría Psicoanalítica , Síndrome de Capgras/diagnóstico , Síndrome de Capgras/psicología , Síndrome de Capgras/terapia , Deluciones/diagnóstico , Deluciones/terapia , Diagnóstico Diferencial , Manual Diagnóstico y Estadístico de los Trastornos Mentales , Diagnóstico Precoz , Intervención Médica Temprana , Teoría Gestáltica , Humanos , Clasificación Internacional de Enfermedades , Trastornos Neurocognitivos/diagnóstico , Trastornos Neurocognitivos/terapia , Psicopatología , Trastornos Psicóticos/diagnóstico , Trastornos Psicóticos/psicología , Trastornos Psicóticos/terapia , Psicología del Esquizofrénico , Ajuste Social , Teoría de la Mente
15.
Nervenarzt ; 88(11): 1292-1297, 2017 Nov.
Artículo en Alemán | MEDLINE | ID: mdl-29063263

RESUMEN

Complex trends in occupancy determined by many influencing factors, clear state-specific differences in imprisonment practices as well as recently implemented statutory alterations to the appropriate paragraphs in criminal law, underline the necessity for qualitative high-grade concomitant research of German forensic commitment; however, neither the structural prerequisites nor an adequate data situation are currently present in order to do justification to this aim. Not even the total number of patients currently accommodated in forensic commitment can be elucidated from the publicized (partial) statistics. This consensus paper, which was formulated by three research institutes active at the state level, describes the limited possibilities for current forensic healthcare research and raises the demand for a nationwide uniform data situation on patients in forensic commitment. Furthermore, how the appropriate elicitation instrument should be organizationally and structurally achieved, is sketched from a scientific perspective. This article aims at initiating a discussion on a sustainable improvement in the prerequisites for healthcare research in German forensic commitment and targets a sensitization of decision makers in politics and administration for this topic.


Asunto(s)
Internamiento Obligatorio del Enfermo Mental/tendencias , Recolección de Datos/tendencias , Necesidades y Demandas de Servicios de Salud/tendencias , Investigación sobre Servicios de Salud/tendencias , Internamiento Obligatorio del Enfermo Mental/legislación & jurisprudencia , Recolección de Datos/legislación & jurisprudencia , Predicción , Alemania , Necesidades y Demandas de Servicios de Salud/legislación & jurisprudencia , Investigación sobre Servicios de Salud/legislación & jurisprudencia , Humanos , Encuestas y Cuestionarios
16.
Nervenarzt ; 88(Suppl 1): 1-29, 2017 Aug.
Artículo en Alemán | MEDLINE | ID: mdl-28776213

RESUMEN

People who have been convicted of a crime due to a severe mental disorder and continue to be dangerous as a result of this disorder may be placed in a forensic psychiatric facility for improvement and safeguarding according to § 63 and § 64 of the German Criminal Code (StGB). In Germany, approximately 9000 patients are treated in clinics for forensic psychiatry and psychotherapy on the basis of § 63 of the StGB and in withdrawal centers on the basis of § 64 StGB. The laws for treatment of patients in forensic commitment are passed by the individual States, with the result that even the basic conditions differ in the individual States. While minimum requirements have already been published for the preparation of expert opinions on liability and legal prognosis, consensus standards for the treatment in forensic psychiatry have not yet been published. Against this background, in 2014 the German Society for Psychiatry and Psychotherapy, Psychosomatics and Neurology (DGPPN) commissioned an interdisciplinary task force to develop professional standards for treatment in forensic psychiatry. Legal, ethical, structural, therapeutic and prognostic standards for forensic psychiatric treatment should be described according to the current state of science. After 3 years of work the results of the interdisciplinary working group were presented in early 2017 and approved by the board of the DGPPN. The standards for the treatment in the forensic psychiatric commitment aim to initiate a discussion in order to standardize the treatment conditions and to establish evidence-based recommendations.


Asunto(s)
Internamiento Obligatorio del Enfermo Mental/legislación & jurisprudencia , Internamiento Obligatorio del Enfermo Mental/normas , Comunicación Interdisciplinaria , Colaboración Intersectorial , Trastornos Mentales/rehabilitación , Programas Nacionales de Salud/legislación & jurisprudencia , Trastornos Relacionados con Sustancias/rehabilitación , Atención Ambulatoria/ética , Atención Ambulatoria/legislación & jurisprudencia , Atención Ambulatoria/normas , Internamiento Obligatorio del Enfermo Mental/ética , Ética Médica , Testimonio de Experto/ética , Testimonio de Experto/legislación & jurisprudencia , Alemania , Humanos , Programas Nacionales de Salud/ética , Admisión del Paciente/legislación & jurisprudencia , Admisión del Paciente/normas , Prisioneros/legislación & jurisprudencia , Prisioneros/psicología , Pronóstico
17.
Neurogastroenterol Motil ; 29(12)2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-28681496

RESUMEN

BACKGROUND: The current standard for pelvic intraoperative neuromonitoring (pIONM) is based on intermittent direct nerve stimulation. This study investigated the potential use of transcutaneous sacral nerve stimulation for non-invasive verification of pelvic autonomic nerves. METHODS: A consecutive series of six pigs underwent low anterior rectal resection. For transcutaneous sacral nerve stimulation, an array of ten electrodes (cathodes) was placed over the sacral foramina (S2 to S4). Anodes were applied on the back, right and left thigh, lower abdomen, and intra-anally. Stimulation using the novel method and current standard were performed at different phases of the experiments under electromyography of the autonomic innervated internal anal sphincter (IAS). KEY RESULTS: Transcutaneous stimulation induced increase of IAS activity could be observed in each animal under specific cathode-anode configurations. Out of 300 tested configurations, 18 exhibited a change in the IAS activity correlated with intentional autonomic nerve damage. The damage resulted in a significant decrease of the relative area under the curve of the IAS frequency spectrum (P<.001). Comparison of the IAS spectra under transcutaneous and direct stimulation revealed no significant difference (after rectal resection: median 5.99 µV•Hz vs 7.78 µV•Hz, P=.12; after intentional nerve damage: median -0.27 µV•Hz vs 3.35 µV•Hz, P=.29). CONCLUSIONS AND INFERENCES: Non-invasive selective transcutaneous sacral nerve stimulation could be used for verification of IAS innervation.


Asunto(s)
Canal Anal/inervación , Monitorización Neurofisiológica Intraoperatoria/métodos , Estimulación Eléctrica Transcutánea del Nervio/métodos , Canal Anal/cirugía , Animales , Procedimientos Quirúrgicos del Sistema Digestivo/métodos , Procedimientos Quirúrgicos Ginecológicos/métodos , Masculino , Porcinos , Procedimientos Quirúrgicos Urológicos/métodos
18.
Aust Vet J ; 95(7): 227-231, 2017 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-28653386

RESUMEN

BACKGROUND: Olfactory neuroblastoma is a rare malignancy of the nasal cavity in dogs that is thought to arise from specialised sensory neuroendocrine olfactory cells derived from the neural crest. CASE REPORT: An 8-year-old dog was presented for reclusiveness and pacing. On CT and MRI, a contract-enhancing mass was disclosed within the rostral fossa, extending caudally from the cribriform plate into the left nasal sinus. Surgical excision was performed and the diagnosis was histological grade III (Hyams grading scheme) olfactory neuroblastoma. Based on human CT criteria this was high stage (modified Kadish stage C). Surgical excision was incomplete and was followed by curative-intent radiation therapy using a linear accelerator to a total dose of 48 Gy. CONCLUSION: The dog survived 20 months after diagnosis. Although olfactory neuroblastoma is a rare tumour in dogs, aggressive local therapy may allow for prolonged survival, even when the tumour is advanced.


Asunto(s)
Enfermedades de los Perros/diagnóstico , Estesioneuroblastoma Olfatorio/veterinaria , Cavidad Nasal/patología , Neoplasias Nasales/veterinaria , Animales , Enfermedades de los Perros/terapia , Perros , Estesioneuroblastoma Olfatorio/diagnóstico , Estesioneuroblastoma Olfatorio/terapia , Masculino , Neoplasias Nasales/diagnóstico , Neoplasias Nasales/terapia , Senos Paranasales , Olfato
19.
Clin Hemorheol Microcirc ; 66(4): 303-310, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28527201

RESUMEN

PURPOSE: To investigate the value of contrast-enhanced ultrasound (CEUS) in histologic prediction of focal liver lesions after liver transplantation. MATERIALS AND METHODS: 10 focal liver lesions in 10 patients after liver transplantation were scanned using CEUS and the CEUS results were compared with the histopathological results. RESULTS: Among 10 focal liver lesions, 7 proofed to be histopathological benign and 3 lesions proofed to be histopathological malignant. All lesions (100%) were correctly report as benign or malignant in the report of the CEUS examination. CONCLUSION: CEUS can be helpful in the differentiation of benign and malignant focal liver lesions in patients after liver transplantation and can be used in clinical management of focal liver lesions.


Asunto(s)
Medios de Contraste/uso terapéutico , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/cirugía , Trasplante de Hígado/métodos , Ultrasonografía/métodos , Adolescente , Adulto , Femenino , Humanos , Neoplasias Hepáticas/patología , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Adulto Joven
20.
Clin Hemorheol Microcirc ; 66(4): 311-316, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28527202

RESUMEN

PURPOSE: To analyse the diagnostic performance of contrast-enhanced ultrasound (CEUS) in patients with vascular complications and transplant rejection compared to histopathological results. MATERIALS AND METHODS: Our study consisted of 45 retrospectively analysed patients that underwent liver transplantations between January 1993 and December 2015 and developed post-transplant vascular complications with transplant rejection. CEUS examinations took place between September 2006 and December 2015. CEUS findings were correlated with histopathological results. RESULTS: CEUS showed a sensitivity of 61.5%, a specificity of 100.0%, a positive predictive value (PPV) of 100.0% and a negative predictive value (NPV) of 86,5% in the detection of vascular complications with post-transplant rejection. 5 examinations were reported as normal whereas the histopathological result showed a transplant rejection (false-negative). CONCLUSION: CEUS might be a useful additional non-invasive technique for the assessment of vascular complications with post-transplant rejection in patients after liver transplantation.


Asunto(s)
Medios de Contraste/uso terapéutico , Ultrasonografía/métodos , Adolescente , Adulto , Anciano , Femenino , Humanos , Trasplante de Hígado/efectos adversos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Tomografía Computarizada por Rayos X/métodos , Adulto Joven
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