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1.
Infection ; 2024 Sep 19.
Artículo en Inglés | MEDLINE | ID: mdl-39300000

RESUMEN

PURPOSE: Infective endocarditis caused by non-HACEK gram-negative bacilli (GNB-IE) is rare but associated with significant morbidity and case fatality. Evidence on optimal treatment and management is limited. We aimed to describe the characteristics and management of GNB-IE patients, investigating factors associated with disease acquisition and unfavorable outcomes. METHODS: We conducted a retrospective descriptive single-center study (tertiary care and referral hospital) between 2015 and 2021, including adult patients with definite GNB-IE. We reviewed demographic, clinical and microbiological data, focusing on predisposing factors, clinical outcomes and 1-year mortality. RESULTS: Of 1093 patients with probable or definite IE, 19 patients (median age 69 years) had definite GNB-IE, with an increasing incidence throughout the study period. Median age-adjusted Charlson Comorbidity Index score was 4 points. Prosthetic valve IE (PVIE) was present in 7/19 (37%) patients. Nosocomial acquisition occurred in 8/19 (42%) patients. Escherichia coli and Klebsiella pneumoniae were the most common pathogens. Beta-lactam (BL) based combination therapy was applied in 12/19 (63%) patients (58% BL + fluoroquinolone, 42% BL + aminoglycoside). Cardiac surgery was required in 8/19 (42%) patients (PVIE 71%, native valve IE 25%), primarily for embolism prevention and heart failure. Complications occurred in 14/19 (74%) patients. The in-hospital mortality rate was 21% (4/19); the one-year mortality rate was 44% (7/16). One-year mortality did not significantly differ between patients who underwent cardiac surgery and patients managed with anti-infective treatment alone (p = 0.633). CONCLUSIONS: GNB-IE affects elderly patients with high comorbidity levels and recent health-care exposure. GNB-IE was associated with high complication rates and high mortality.

2.
PLoS Negl Trop Dis ; 18(7): e0012323, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-39008517

RESUMEN

BACKGROUND: American Cutaneous Leishmaniasis (ACL) shows variable response to therapy, but data on species-specific treatment efficacy is scarce. We describe the clinical characteristics and outcome of patients with ACL imported to a tertiary centre in Germany and determine whether species-specific therapy according to the 2014 "LeishMan" group recommendations is associated with cure. METHODS: A retrospective chart review was conducted at the Charité Institute of International Health in Berlin. We analysed data on PCR-confirmed ACL cases collected between 2000 and 2023. Systemic therapy included liposomal amphotericin B, miltefosine, pentavalent antimony, ketoconazole or itraconazole. Localized therapy included perilesional pentavalent antimony or paromomycin ointment. Cure was defined as re-epithelialization of ulcers or disappearance of papular-nodular lesions after 3 months of treatment. Logistic regression models were used to quantify the effect of species-specific systemic therapy on the outcome. RESULTS: 75 cases were analysed. Most patients were male (62%), median age was 35 years, no patient had a history of immunosuppression. The most common reason for travel was tourism (60%), the most common destination was Costa Rica (28%), the median duration of illness was 8 weeks, and most patients presented with ulcers (87%). Lesions were complex in 43%. The most common Leishmania (L.) species was L. braziliensis (28%), followed by L. panamensis (21%). 51/73 (70%) patients were cured after initial therapy and 17/21 (81%) after secondary therapy. Cure after systemic therapy was more frequent when species-specific treatment recommendations were followed (33/45; 73%), compared to when not followed, (6/17; 35%, P = 0.008). This association was independent of age, sex, previous therapy, complex lesions, and Leishmania species (adjusted OR, 5.06; 95% CI, 1.22-24.16). CONCLUSIONS: ACL is a rare, imported disease in Germany. Complex lesions were common, challenging successful therapy. This study highlights the importance of identifying the parasite species and suggests that a species-specific approach to treatment leads to better outcomes.


Asunto(s)
Antiprotozoarios , Leishmaniasis Cutánea , Humanos , Masculino , Femenino , Adulto , Leishmaniasis Cutánea/tratamiento farmacológico , Leishmaniasis Cutánea/epidemiología , Estudios Retrospectivos , Persona de Mediana Edad , Antiprotozoarios/uso terapéutico , Adulto Joven , Berlin/epidemiología , Adolescente , Resultado del Tratamiento , Anfotericina B/uso terapéutico , Viaje , Enfermedades Transmisibles Importadas/parasitología , Enfermedades Transmisibles Importadas/epidemiología , Enfermedades Transmisibles Importadas/tratamiento farmacológico , Anciano , Leishmania/clasificación , Leishmania/efectos de los fármacos , Leishmania/aislamiento & purificación , Niño , Fosforilcolina/análogos & derivados
3.
BMC Infect Dis ; 24(1): 317, 2024 Mar 15.
Artículo en Inglés | MEDLINE | ID: mdl-38491447

RESUMEN

BACKGROUND: Cases of mpox have been reported worldwide since May 2022. Limited knowledge exists regarding the long-term course of this disease. To assess sequelae in terms of scarring and quality of life (QoL) in mpox patients 4-6 months after initial infection. METHODS: Prospective observational study on clinical characteristics and symptoms of patients with polymerase chain reaction (PCR)-confirmed mpox, including both outpatients and inpatients. Follow-up visits were conducted at 4-6 months, assessing the Patient and Observer Scar Assessment Scale (POSAS), the Dermatology Life Quality Index (DLQI) and sexual impairment, using a numeric rating scale (NRS) from 0 to 10. RESULTS: Forty-three patients, age range 19-64 years, 41 men (all identifying as MSM) and 2 women, were included. Upon diagnosis, skin or mucosal lesions were present in 93.0% of cases, with 73.3% reporting pain (median intensity: 8, Q1-Q3: 6-10). Anal involvement resulted in a significantly higher frequency of pain than genital lesions (RR: 3.60, 95%-CI: 1.48-8.74). Inpatient treatment due to pain, superinfection, abscess or other indications was required in 20 patients (46.5%). After 4-6 months, most patients did not have significant limitations, scars or pain. However, compared to patients without such complications, patients with superinfection or abscess during the acute phase had significantly more extensive scar formation (median PSAS: 24.0 vs. 11.0, p = 0.039) and experienced a significantly greater impairment of their QoL (median DLQI: 2.0 vs. 0.0, p = 0.036) and sexuality (median NRS: 5.0 vs. 0.0, p = 0.017). CONCLUSION: We observed a wide range of clinical mpox manifestations, with some patients experiencing significant pain and requiring hospitalization. After 4-6 months, most patients recovered without significant sequelae, but those with abscesses or superinfections during the initial infection experienced a significant reduction in QoL and sexuality. Adequate treatment, including antiseptic and antibiotic therapy during the acute phase, may help prevent such complications, and hence, improve long-term outcomes.


Asunto(s)
Mpox , Minorías Sexuales y de Género , Sobreinfección , Masculino , Humanos , Femenino , Adulto Joven , Adulto , Persona de Mediana Edad , Absceso , Estudios de Cohortes , Calidad de Vida , Cicatriz , Estudios de Seguimiento , Homosexualidad Masculina , Dolor/etiología
4.
Infection ; 52(2): 471-482, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-37875775

RESUMEN

BACKGROUND: Infection-associated secondary hemophagocytic lymphohistiocytosis (sHLH) is a potentially life-threatening hyperinflammatory condition caused by various infectious diseases. Malaria has rarely been described as trigger. The aim of this study is to collect data on frequency, clinical spectrum, and outcome of sHLH induced by malaria. METHODS: We collected case numbers on malaria and malaria-associated sHLH from specialized centers in Germany from 2015 to 2022. In addition, we conducted a literature search on published cases of malaria-associated sHLH and systematically analyzed the literature regarding clinical and diagnostic criteria. RESULTS: We obtained data from 13 centers treating 1461 malaria cases with different Plasmodium species, of which 5 patients (0.34%) also were diagnosed with sHLH. The literature search revealed detailed case reports from further 51 patients and case series comprising the description of further 24 patients with malaria-associated sHLH. Most cases (48/80; 60%) were reported from Asia. The median time interval between onset of malaria symptoms and hospital admission was 7 days. Severe complications of sHLH were documented in 36% (20/56) of patients, including two patients with multiple organ failure in our case series. Only 41% (23/56) of patients received specific treatment for sHLH, nevertheless the mortality rate (CFR) of 5% is lower compared to the CFR reported for sHLH triggered by other infectious diseases (e.g., 25% in sHLH due to EBV infection). CONCLUSION: Malaria-associated sHLH appears to have a comparatively good prognosis but may still represent an underdiagnosed and potentially fatal complication of malaria, especially in resource-poor settings.


Asunto(s)
Enfermedades Transmisibles , Linfohistiocitosis Hemofagocítica , Malaria , Humanos , Linfohistiocitosis Hemofagocítica/complicaciones , Linfohistiocitosis Hemofagocítica/diagnóstico , Estudios Retrospectivos , Insuficiencia Multiorgánica , Malaria/complicaciones
5.
Emerg Infect Dis ; 29(11): 2229-2237, 2023 11.
Artículo en Inglés | MEDLINE | ID: mdl-37877517

RESUMEN

Pandoraea spp. are gram-negative, nonfermenting rods mainly known to infect patients with cystic fibrosis (CF). Outbreaks have been reported from several CF centers. We report a Pandoraea spp. outbreak comprising 24 non-CF patients at a large university hospital and a neighboring heart center in Germany during July 2019-December 2021. Common features in the patients were critical illness, invasive ventilation, antimicrobial pretreatment, and preceding surgery. Complicated and relapsing clinical courses were observed in cases with intraabdominal infections but not those with lower respiratory tract infections. Genomic analysis of 15 isolates identified Pandoraea commovens as the genetically most similar species and confirmed the clonality of the outbreak strain, designated P. commovens strain LB-19-202-79. The strain exhibited resistance to most antimicrobial drugs except ampicillin/sulbactam, imipenem, and trimethoprim/sulfamethoxazole. Our findings suggest Pandoraea spp. can spread among non-CF patients and underscore that clinicians and microbiologists should be vigilant in detecting and assessing unusual pathogens.


Asunto(s)
Antiinfecciosos , Burkholderiaceae , Fibrosis Quística , Humanos , Fibrosis Quística/complicaciones , Fibrosis Quística/epidemiología , Bacterias Gramnegativas , Combinación Trimetoprim y Sulfametoxazol , Burkholderiaceae/genética , Alemania/epidemiología
6.
J Travel Med ; 30(3)2023 05 18.
Artículo en Inglés | MEDLINE | ID: mdl-36611010

RESUMEN

BACKGROUND: Artemisinin-based combination therapy (ACT) for the treatment of malaria is highly effective, well tolerated and safe. Episodes of delayed haemolysis occur in up to 57.9% of patients with severe malaria treated with intravenous artesunate, mainly caused by 'pitting' of infected red blood cells in the spleen and the delayed loss of these once-infected RBCs (oiRBCs). Several reports indicate that post-treatment haemolysis (PTH) also occurs in uncomplicated malaria treated with oral ACT, calling for systematic investigation. METHODS: A prospective observational study to identify the incidence of PTH after oral ACT, defined as increased lactate dehydrogenase activity and low haptoglobin level on Day 14 after treatment. Patients were enrolled at two study centres in Germany and Italy. Study visits took place on Days 1, 3, 7, 14 and 28. Laboratory investigations included extended clinical routine laboratory tests, quantitative PfHRP2, anti-RBC antibodies and oiRBCs. The state of semi-immunity to malaria was assessed from childhood and ongoing exposure to Plasmodium spp. as per patient history. RESULTS: A total of 134 patients with uncomplicated malaria and 3-day ACT treatment were recruited. Thirty-seven (37.4%) of 99 evaluable patients with Pf and none of 9 patients with non-Pf malaria exhibited PTH on d14. Patients with PTH had higher initial parasitaemia, higher oiRBC counts on d3 and a 10-fold decrease in oiRBCs between d7 and d14 compared with patients without PTH. In patients with PTH, loss of haemoglobin was 4-fold greater in non-Africans than in Africans (-1.3 vs -0.3 g/dl). Semi-immune African patients with PTH showed markedly increased erythropoiesis on d14 compared with not semi-immune African and non-African patients with PTH. CONCLUSIONS: PTH is common in patients with uncomplicated malaria and oral ACT. While the observed loss of haemoglobin will often not be clinically relevant, it could aggravate pre-existing anaemia, warranting follow-up examinations in populations at risk.


Asunto(s)
Antimaláricos , Artemisininas , Malaria Falciparum , Malaria , Humanos , Niño , Antimaláricos/efectos adversos , Hemólisis , Artemisininas/efectos adversos , Malaria/tratamiento farmacológico , Malaria/complicaciones , Hemoglobinas/uso terapéutico , Malaria Falciparum/tratamiento farmacológico , Malaria Falciparum/complicaciones , Quimioterapia Combinada
7.
Clin Infect Dis ; 76(6): 1050-1058, 2023 03 21.
Artículo en Inglés | MEDLINE | ID: mdl-36318608

RESUMEN

BACKGROUND: The microbial etiology of prosthetic valve infective endocarditis (PVE) can be difficult to identify. Our aim was to investigate the benefit of molecular imaging technique fluorescence in situ hybridization (FISH) combined with 16S rRNA-gene polymerase chain reaction (PCR) and sequencing (FISHseq) for the analysis of infected prosthetic heart valves. METHODS: We retrospectively evaluated the diagnostic outcome of 113 prosthetic valves from 105 patients with suspected PVE, treated in 2003-2013 in the Department of Cardiac Surgery, Charité University Medicine Berlin. Each prosthetic valve underwent cultural diagnostics and was routinely examined by FISH combined with 16S rRNA gene PCR and sequencing. We compared classical microbiological culture outcomes (blood and valve cultures) with FISHseq results and evaluated the diagnostic impact of the molecular imaging technique. RESULTS: Conventional microbiological diagnostic alone turned out to be insufficient, as 67% of preoperative blood cultures were noninformative (negative, inconclusive, or not obtained) and 67% of valve cultures remained negative. FISHseq improved the conventional cultural diagnostic methods in PVE in 30% of the cases and increased diagnostic accuracy. Of the valve culture-negative PVE cases, FISHseq succeeded in identifying the causative pathogen in 35%. CONCLUSIONS: FISHseq improves PVE diagnostics, complementing conventional cultural methods. In addition to species identification, FISH provides information about the severity of PVE and state of the pathogens (eg, stage of biofilm formation, activity, and localization on and within the prosthetic material). As a molecular imaging technique, FISHseq enables the unambiguous discrimination of skin flora as contaminant or infectious agent.


Asunto(s)
Endocarditis Bacteriana , Endocarditis , Prótesis Valvulares Cardíacas , Infecciones Relacionadas con Prótesis , Humanos , Endocarditis Bacteriana/microbiología , Prótesis Valvulares Cardíacas/efectos adversos , Estudios Retrospectivos , Hibridación Fluorescente in Situ , ARN Ribosómico 16S/genética , Infecciones Relacionadas con Prótesis/microbiología , Endocarditis/etiología , Imagen Molecular
8.
Infection ; 51(2): 483-487, 2023 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-35960457

RESUMEN

Berlin is amongst the cities most affected by the current monkeypox outbreak. Here, we report clinical characteristics of the first patients with confirmed monkeypox admitted to our center. We analyzed anamnestic, clinical, and laboratory data. Within a period of 2 weeks, six patients were hospitalized in our unit. All were MSM and had practiced condomless receptive anal intercourse in the weeks preceding admission. The chief complaint in all patients but one was severe anal pain unprecedented in severity. Investigations revealed proctitis, as well as anal and rectal ulcers with detection of monkeypox virus. Our findings support the hypothesis that sexual transmission plays a role in the current outbreak.


Asunto(s)
Infecciones por VIH , Mpox , Masculino , Humanos , Homosexualidad Masculina , Infecciones por VIH/epidemiología , Conducta Sexual , Dolor
9.
Antibiotics (Basel) ; 11(6)2022 Jun 02.
Artículo en Inglés | MEDLINE | ID: mdl-35740164

RESUMEN

The drug concentrations targeted in meropenem and piperacillin/tazobactam therapy also depend on the susceptibility of the pathogen. Yet, the pathogen is often unknown, and antibiotic therapy is guided by empirical targets. To reliably achieve the targeted concentrations, dosing needs to be adjusted for renal function. We aimed to evaluate a meropenem and piperacillin/tazobactam monitoring program in intensive care unit (ICU) patients by assessing (i) the adequacy of locally selected empirical targets, (ii) if dosing is adequately adjusted for renal function and individual target, and (iii) if dosing is adjusted in target attainment (TA) failure. In a prospective, observational clinical trial of drug concentrations, relevant patient characteristics and microbiological data (pathogen, minimum inhibitory concentration (MIC)) for patients receiving meropenem or piperacillin/tazobactam treatment were collected. If the MIC value was available, a target range of 1-5 × MIC was selected for minimum drug concentrations of both drugs. If the MIC value was not available, 8-40 mg/L and 16-80 mg/L were selected as empirical target ranges for meropenem and piperacillin, respectively. A total of 356 meropenem and 216 piperacillin samples were collected from 108 and 96 ICU patients, respectively. The vast majority of observed MIC values was lower than the empirical target (meropenem: 90.0%, piperacillin: 93.9%), suggesting empirical target value reductions. TA was found to be low (meropenem: 35.7%, piperacillin 50.5%) with the lowest TA for severely impaired renal function (meropenem: 13.9%, piperacillin: 29.2%), and observed drug concentrations did not significantly differ between patients with different targets, indicating dosing was not adequately adjusted for renal function or target. Dosing adjustments were rare for both drugs (meropenem: 6.13%, piperacillin: 4.78%) and for meropenem irrespective of TA, revealing that concentration monitoring alone was insufficient to guide dosing adjustment. Empirical targets should regularly be assessed and adjusted based on local susceptibility data. To improve TA, scientific knowledge should be translated into easy-to-use dosing strategies guiding antibiotic dosing.

10.
IJID Reg ; 3: 196-203, 2022 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-35755475

RESUMEN

Background: The World Health Organization recommends active case finding for tuberculosis (TB). Our study evaluated the targeted screening of household contacts (HHCs) of patients with contagious pulmonary tuberculosis (PTB) in Central Ethiopia. Methods: The HHCs of patients with microbiologically confirmed PTB were screened for TB symptoms and risk factors for TB transmission. Symptomatic HHCs were subjected to secondary investigation. Antimicrobial resistance was investigated among study participants. Results: Overall, 112 index patients with TB were included, and 289 HHCs from 89 households were screened. Multidrug-resistant-TB was detected in 2.7% (n=3) of index patients. The routine public health system process did not identify any TB suspects among HHCs. In total, 23.9% (n=69) of HHCs reported ≥1 TB symptom and PTB was confirmed in 2.1% (n=6). Reporting >1 TB symptom (relative risk [RR] 29.4, 95% CI 3.5-245.5, P<0.001) and night sweats (RR 27.1, 95% CI 3.2-226.6, P<0.001) were associated with the greatest relative risk. Regular alcohol consumption was identified as an individual risk factor for TB among HHCs (P=0.022). Conclusion: The MDR-TB rate among our patients was higher than recently reported for Ethiopia. Enhanced contact tracing using a risk-adjusted approach seems feasible and increases the case detection rate among HHCs of confirmed TB cases.

11.
Infection ; 50(6): 1441-1452, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-35420370

RESUMEN

PURPOSE: To investigate antimicrobial use and primary and nosocomial infections in hospitalized COVID-19 patients to provide data for guidance of antimicrobial therapy. METHODS: Prospective observational cohort study conducted at Charité-Universitätsmedizin Berlin, including patients hospitalized with SARS-CoV-2-infection between March and November 2020. RESULTS: 309 patients were included, 231 directly admitted and 78 transferred from other centres. Antimicrobial therapy was initiated in 62/231 (26.8%) of directly admitted and in 44/78 (56.4%) of transferred patients. The rate of microbiologically confirmed primary co-infections was 4.8% (11/231). Although elevated in most COVID-19 patients, C-reactive protein and procalcitonin levels were higher in patients with primary co-infections than in those without (median CRP 110 mg/l, IQR 51-222 vs. 36, IQR 11-101, respectively; p < 0.0001). Nosocomial bloodstream and respiratory infections occurred in 47/309 (15.2%) and 91/309 (29.4%) of patients, respectively, and were associated with need for invasive mechanical ventilation (OR 45.6 95%CI 13.7-151.8 and 104.6 95%CI 41.5-263.5, respectively), extracorporeal membrane oxygenation (OR 14.3 95%CI 6.5-31.5 and 16.5 95%CI 6.5-41.6, respectively), and haemodialysis (OR 31.4 95%CI 13.9-71.2 and OR 22.3 95%CI 11.2-44.2, respectively). The event of any nosocomial infection was significantly associated with in-hospital death (33/99 (33.3%) with nosocomial infection vs. 23/210 (10.9%) without, OR 4.1 95%CI 2.2-7.3). CONCLUSIONS: Primary co-infections are rare, yet antimicrobial use was frequent, mostly based on clinical worsening and elevated inflammation markers without clear evidence for co-infection. More reliable diagnostic prospects may help to reduce overtreatment. Rates of nosocomial infections are substantial in severely ill patients on organ support and associated with worse patient outcome.


Asunto(s)
Antiinfecciosos , Tratamiento Farmacológico de COVID-19 , COVID-19 , Coinfección , Infección Hospitalaria , Humanos , COVID-19/epidemiología , Coinfección/tratamiento farmacológico , Coinfección/epidemiología , SARS-CoV-2 , Mortalidad Hospitalaria , Estudios Prospectivos , Antiinfecciosos/uso terapéutico , Infección Hospitalaria/tratamiento farmacológico , Infección Hospitalaria/epidemiología
12.
PLoS One ; 17(3): e0264644, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35239726

RESUMEN

INTRODUCTION: Patients with high-consequence infectious diseases (HCID) are rare in Western Europe. However, high-level isolation units (HLIU) must always be prepared for patient admission. Case fatality rates of HCID can be reduced by providing optimal intensive care management. We here describe a single centre's preparation, its embedding in the national context and the challenges we faced during the severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) pandemic. METHODS: Ten team leaders organize monthly whole day trainings for a team of doctors and nurses from the HLIU focusing on intensive care medicine. Impact and relevance of training are assessed by a questionnaire and a perception survey, respectively. Furthermore, yearly exercises with several partner institutions are performed to cover different real-life scenarios. Exercises are evaluated by internal and external observers. Both training sessions and exercises are accompanied by intense feedback. RESULTS: From May 2017 monthly training sessions were held with a two-month and a seven-month break due to the first and second wave of the SARS-CoV-2 pandemic, respectively. Agreement with the statements of the questionnaire was higher after training compared to before training indicating a positive effect of training sessions on competence. Participants rated joint trainings for nurses and doctors at regular intervals as important. Numerous issues with potential for improvement were identified during post processing of exercises. Action plans for their improvement were drafted and as of now mostly implemented. The network of the permanent working group of competence and treatment centres for HCID (Ständiger Arbeitskreis der Kompetenz- und Behandlungszentren für Krankheiten durch hochpathogene Erreger (STAKOB)) at the Robert Koch-Institute (RKI) was strengthened throughout the SARS-CoV-2 pandemic. DISCUSSION: Adequate preparation for the admission of patients with HCID is challenging. We show that joint regular trainings of doctors and nurses are appreciated and that training sessions may improve perceived skills. We also show that real-life scenario exercises may reveal additional deficits, which cannot be easily disclosed in training sessions. Although the SARS-CoV-2 pandemic interfered with our activities the enhanced cooperation among German HLIU during the pandemic ensured constant readiness for the admission of HCID patients to our or to collaborating HLIU. This is a single centre's experience, which may not be generalized to other centres. However, we believe that our work may address aspects that should be considered when preparing a unit for the admission of patients with HCID. These may then be adapted to the local situations.


Asunto(s)
Enfermedades Transmisibles/terapia , Cuidados Críticos/organización & administración , Unidades de Cuidados Intensivos/organización & administración , Aislamiento de Pacientes/organización & administración , COVID-19/epidemiología , Competencia Clínica , Enfermedades Transmisibles/epidemiología , Educación Médica Continua/métodos , Educación Médica Continua/organización & administración , Educación Continua en Enfermería/métodos , Educación Continua en Enfermería/organización & administración , Planificación Ambiental , Alemania/epidemiología , Historia del Siglo XXI , Humanos , Pandemias , Admisión del Paciente , Grupo de Atención al Paciente/organización & administración , Aislamiento de Pacientes/métodos , SARS-CoV-2/fisiología , Entrenamiento Simulado/organización & administración , Flujo de Trabajo
13.
Pharmaceutics ; 13(12)2021 Dec 10.
Artículo en Inglés | MEDLINE | ID: mdl-34959409

RESUMEN

The prevalence and mortality rates of severe infections are high in intensive care units (ICUs). At the same time, the high pharmacokinetic variability observed in ICU patients increases the risk of inadequate antibiotic drug exposure. Therefore, dosing tailored to specific patient characteristics has a high potential to improve outcomes in this vulnerable patient population. This study aimed to develop a tabular dosing decision tool for initial therapy of meropenem integrating hospital-specific, thus far unexploited pathogen susceptibility information. An appropriate meropenem pharmacokinetic model was selected from the literature and evaluated using clinical data. Probability of target attainment (PTA) analysis was conducted for clinically interesting dosing regimens. To inform dosing prior to pathogen identification, the local pathogen-independent mean fraction of response (LPIFR) was calculated based on the observed minimum inhibitory concentrations distribution in the hospital. A simple, tabular, model-informed dosing decision tool was developed for initial meropenem therapy. Dosing recommendations achieving PTA > 90% or LPIFR > 90% for patients with different creatinine clearances were integrated. Based on the experiences during the development process, a generalised workflow for the development of tabular dosing decision tools was derived. The proposed workflow can support the development of model-informed dosing tools for initial therapy of various drugs and hospital-specific conditions.

14.
Clin J Gastroenterol ; 14(3): 888-892, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-33851365

RESUMEN

Therapy choices for cystic echinococcisis (CE) are stage-specific: surgical, minimally invasive, medical or observation without intervention. PAIR (percutaneous aspiration, instillation of a scolicide, and re-aspiration) has been considered the treatment of choice for uncomplicated echinococcal liver cysts. However, PAIR carries the risk of toxic cholangitis or hypernatremia and that the cyst frequently refills with bile after withdrawing the catheter. We treated a patient with a giant CE 1 liver cyst with puncture drainage (PD) under albendazole coverage. Drainage enabled us to monitor the morphology of protoscolices under praziquantel (PZQ) co-medication. Protoscolices degenerated within 5 days of PZQ 50 mg/kg/d. The cyst cavity solidified with no evidence of reactivation or secondary spread. Percutaneous treatments can replace surgery in a significant number or cases with hepatic CE. PD allows to assess microscopically the viability of protoscolices under co-medication with PZQ-albendazole and to avoid the instillation of topical scolicides.


Asunto(s)
Quistes , Equinococosis Hepática , Echinococcus , Animales , Quistes/tratamiento farmacológico , Drenaje , Equinococosis Hepática/tratamiento farmacológico , Equinococosis Hepática/cirugía , Humanos , Praziquantel
15.
Int J Med Microbiol ; 311(2): 151478, 2021 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-33581548

RESUMEN

BACKGROUND: Rothia sp. are Gram-positive bacteria in the class of Actinobacteria that are part of the physiological oral flora. In rare cases, Rothia aeria and Rothia dentocariosa can cause infective endocarditis (IE). The biofilm potential of Rothia in endocarditis is unknown. METHODS: Specimen from two cases of Rothia endocarditis were obtained during cardiac surgery. One of the patients suffered mitral valve IE from Rothia aeria. In the other case, IE of a prosthetic pulmonary valve was caused by Rothia dentocariosa. Fluorescence in situ hybridization (FISH) was used for visualization of microorganisms within heart valve tissues in combination with PCR and sequencing (FISHseq). RESULTS: The two heart valve specimens featured mature biofilms of bacteria that were identified by FISHseq as Rothia aeria and Rothia dentocariosa, respectively. FISH showed in situ biofilms of both microorganisms that feature distinct phenotypes for the first time ex vivo. Both of our reported cases were treated successfully by heart valve surgery and antibiotic therapy using beta-lactam antibiotics. CONCLUSION: The biofilm potential of Rothia sp. must be taken into account. The awareness of Rothia aeria and Rothia dentocariosa as rare but relevant pathogens for infective endocarditis must be raised. Use of biofilm-effective antibiotics in Rothia IE should be discussed.


Asunto(s)
Biopelículas , Endocarditis Bacteriana/microbiología , Micrococcaceae/patogenicidad , Humanos , Hibridación Fluorescente in Situ
16.
Eur J Clin Microbiol Infect Dis ; 40(2): 419-421, 2021 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-32885292

RESUMEN

There is lack of standardization of practices and limited evidence on efficacy and safety of nebulization of antimicrobials. We sought to determine inhalation practices in one tertiary care hospital by performing a cross-sectional survey. Eleven adult ICUs were included in the analysis. Three units followed established protocols. Ventilation circuit filters were exchanged at least daily in all but one units. Dosages of aminoglycosides and CMS depended on indication and unit. Nebulization of antimicrobials was generally regarded as safe and efficacious. Our data indicate that approach to nebulization of antimicrobials may be heterogeneous even in a single center.


Asunto(s)
Antibacterianos/administración & dosificación , Neumonía Asociada a la Atención Médica/tratamiento farmacológico , Unidades de Cuidados Intensivos , Nebulizadores y Vaporizadores/normas , Ventiladores Mecánicos/normas , Administración por Inhalación , Estudios Transversales , Alemania , Humanos , Respiración Artificial/métodos , Respiración Artificial/normas , Centros de Atención Terciaria
17.
Pneumologe (Berl) ; 17(6): 477-488, 2020.
Artículo en Alemán | MEDLINE | ID: mdl-33162874

RESUMEN

This article describes viral, bacterial, fungal and parasitic infections, which are not endemic and little known in Germany. Avian influenza, Middle East respiratory syndrome (MERS) and the plague can all lead to severe pulmonary complications with a high mortality. In addition, there is a risk of nosocomial spread and therefore patients must always be isolated. Melioidosis, blastomycosis, paracoccidioidomycosis, and histoplasmosis are primarily often misclassified as community-acquired pneumonia due to typical causative organisms. A detailed anamnesis focussing on exposure in endemic areas is key to the diagnosis. Paragonimiasis is often manifested a few weeks after consumption of raw seafood and pronounced eosinophilia is typical. Relevant aspects of the epidemiology, clinical course, treatment and, if applicable, prevention are presented as cases of these diseases can occur at any time in Germany.

19.
Eur J Epidemiol ; 34(6): 611-612, 2019 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-30739267

RESUMEN

Cystic echinococcosis (CE) is not covered by current refugee screening protocols. After we had detected CE among several refugees attending our clinic from Afghanistan and the Middle East, serological examinations for CE were performed for apparently healthy unaccompanied minor refugees from these regions.


Asunto(s)
Niño Abandonado/estadística & datos numéricos , Equinococosis/diagnóstico , Menores/estadística & datos numéricos , Refugiados/estadística & datos numéricos , Adolescente , Afganistán/etnología , Equinococosis/epidemiología , Femenino , Alemania/epidemiología , Humanos , Masculino , Tamizaje Masivo , Medio Oriente/etnología
20.
Int J STD AIDS ; 29(3): 251-258, 2018 03.
Artículo en Inglés | MEDLINE | ID: mdl-28776463

RESUMEN

Human immunodeficiency virus (HIV) continues to be a major global public health issue and omnipresent sexually transmitted infections (STIs) increase the risk of HIV acquisition. Moreover, STIs and HIV in pregnant women can harm the unborn child. In this study, we systematically investigated the prevalence of HIV, relevant STIs and vaginal group B streptococcus colonization among pregnant women presenting at Asella Teaching Hospital in central Ethiopia and their effect on perinatal mortality. A follow-up was performed six weeks after delivery. A total of 580 women were included, of which 26.6% tested positive for at least one pathogen ( Chlamydia trachomatis 9.8%, trichomoniasis 5.3%, hepatitis B 5.3%, gonorrhoea 4.3%, group B streptococcus 2.4%, syphilis 2.2%, HIV 2.1%). None of the HIV infections were previously undiagnosed, indicating effective HIV screening activities in the region. Follow-up data were available for 473 (81.6%) children, of which 37 (7.8%) were stillborn or died within the first six weeks of life. Infection with Trichomonas vaginalis and recruitment at obstetric ward (versus antenatal care) were associated with mortality. High prevalence of STIs in pregnant women and their impact on the unborn child demonstrate the need for screening and treatment programmes in order to prevent perinatal mortality.


Asunto(s)
Complicaciones Infecciosas del Embarazo/epidemiología , Resultado del Embarazo/epidemiología , Enfermedades de Transmisión Sexual/epidemiología , Adulto , Candidiasis/epidemiología , Niño , Infecciones por Chlamydia/epidemiología , Etiopía/epidemiología , Femenino , Infecciones por VIH/epidemiología , Humanos , Mortalidad Perinatal , Embarazo , Complicaciones Infecciosas del Embarazo/microbiología , Tercer Trimestre del Embarazo , Prevalencia , Enfermedades de Transmisión Sexual/microbiología , Mortinato/epidemiología , Sífilis/epidemiología , Vaginitis por Trichomonas/epidemiología
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