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1.
Olivier Duron Rachid Koual Lise Musset Marie Buysse Yann Lambert Benoît Jaulhac Denis Blanchet Kinan Drak Alsibai Yassamine Lazrek Loïc Epelboin Pierre Deshuillers Cline Michaud Maylis Douine 《Emerging infectious diseases》2022,28(8):1673
We report a case of unusual human anaplasmosis in the Amazon rainforest of French Guiana. Molecular typing demonstrated that the pathogen is a novel Anaplasma species, distinct to all known species, and more genetically related to recently described Anaplasma spp. causing infections in rainforest wild fauna of Brazil. 相似文献
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Evren Şentürk Figen Esen Perihan E. Özcan Kinan Rifai Binnur Pinarbaşi Nahit Çakar Lutfi Telci 《Journal of clinical apheresis》2010,25(4):195-201
Introduction: Artificial liver support systems represent a potential useful option for the treatment of liver failure. The outcomes of patients treated with the fractionated plasma separation and adsorption (FPSA) system are presented. Patients and methods: FPSA was performed 85 times for 27 patients (median 3 treatments/patient) with liver failure [85.2% acute liver failure (ALF) and 14.8% acute‐on‐chronic liver failure] using the Prometheus 4008H (Fresenius Medical Care) unit. Citrate was used for anticoagulation. A variety of clinical and biochemical parameters were assessed. Comparisons between pretreatment and post‐treatment data were performed using paired t‐test. Results: The 85 sessions had a mean duration of 6 h. There were significant decreases in total bilirubin (13.18 ± 9.46 mg/dL vs. 9.76 ± 7.05 mg/dL; P < 0.0001), ammonia (167.6 ± 75 mg/dL vs. 120 ± 43.8 mg/dL; P < 0.0001), blood urea nitrogen (BUN; 12.55 ± 13.03 mg/dL vs. 8.18 ± 8.15 mg/dL; P < 0.0001), creatinine (0.54 ± 0.47 mg/dL vs. 0.46 ± 0.37 mg/dL; P = 0.0022) levels, and in pH (7.48 ± 0.05 vs. 7.44 ± 0.08; P = 0.0045). Four patients (14.8%) received liver transplantation after the treatments; in nine patients, transplantation was not necessary anymore (33%); the remaining 14 patients did not receive a transplantation because they were either not appropriate candidates or no organ was available. Overall survival was 48.1% (4 transplanted and 9 treated patients). No hematological complications related to FPSA were observed. Conclusions: FPSA system is a safe and effective detoxification method for patients with liver dysfunction, including ALF. The system is useful as a symptomatic treatment before liver transplantation; in up to 1/3 of the cases, it can even be used as a sole method of treatment. J. Clin. Apheresis 25:195–201, 2010. © 2010 Wiley‐Liss, Inc. 相似文献
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Hiba El Hage Chehade Umar Wazir Kinan Mokbel Abdul Kasem Kefah Mokbel 《American journal of surgery》2018,215(1):171-178
Introduction
Decision-making regarding adjuvant chemotherapy has been based on clinical and pathological features. However, such decisions are seldom consistent. Web-based predictive models have been developed using data from cancer registries to help determine the need for adjuvant therapy. More recently, with the recognition of the heterogenous nature of breast cancer, genomic assays have been developed to aid in the therapeutic decision-making.Methods
We have carried out a comprehensive literature review regarding online prognostication tools and genomic assays to assess whether online tools could be used as valid alternatives to genomic profiling in decision-making regarding adjuvant therapy in early breast cancer.Results and conclusions
Breast cancer has been recently recognized as a heterogenous disease based on variations in molecular characteristics. Online tools are valuable in guiding adjuvant treatment, especially in resource constrained countries. However, in the era of personalized therapy, molecular profiling appears to be superior in predicting clinical outcome and guiding therapy. 相似文献6.
Kinan El Husseini Jean-Marc Baste Anne-Charlotte Bouyeure-Petit Elodie Lhuillier Antoine Cuvelier Pierre Decazes Pierre Vera Thomas Similowski Maxime Patout 《Respirology (Carlton, Vic.)》2023,28(6):551-560
Background and Objective
Respiratory muscle activity is increased in patients with chronic respiratory disease. 18F-FDG-PET/CT can assess respiratory muscle activity. We hypothesized that respiratory muscles metabolism was correlated to lung function impairment and was associated to prognosis in patients undergoing lung cancer surgery based on the research question whether respiratory muscle metabolism quantitatively correlates with the severity of lung function impairment in patients? Does respiratory muscle hypermetabolism have prognostic value?Methods
Patients undergoing 18F-FDG-PET/CT and pulmonary function tests prior to lung cancer surgery were identified. Maximum Standardized Uptake Value (SUVm) were measured in each respiratory muscle group (sternocleidomastoid, scalene, intercostal, diaphragm), normalized against deltoid SUVm. Respiratory muscle hypermetabolism was defined as SUVm >90th centile in any respiratory muscle group. Clinical outcomes were collected from a prospective cohort.Results
One hundred fifty-six patients were included, mostly male [110 (71%)], 53 (34%) with previous diagnosis of COPD. Respiratory muscle SUVm were: scalene: 1.84 [1.51–2.25], sternocleidomastoid 1.64 [1.34–1.95], intercostal 1.01 [0.84–1.16], diaphragm 1.79 [1.41–2.27]. Tracer uptake was inversely correlated to FEV1 for the scalene (r = −0.29, p < 0.001) and SCM (r = −0.17, p = 0.03) respiratory muscle groups and positively correlated to TLC for the scalene (r = 0.17, p = 0.04). Respiratory muscle hypermetabolism was found in 45 patients (28.8%), who had a lower VO2 max (15.4 [14.2–17.5] vs. 17.2 mL/kg/min [15.2–21.1], p = 0.07) and poorer overall survival when adjusting to FEV1% (p < 0.01).Conclusion
Our findings show respiratory muscle hypermetabolism is associated with lung function impairment and has prognostic significance. 18F-FDG/PET-CT should be considered as a tool for assessing respiratory muscle activity and to identify high-risk patients. 相似文献7.
Kinan Rifai Dirk Berger Andrej Potthoff Michael P. Manns Michael J. Gebel 《Digestive and liver disease》2013,45(7):595-599
BackgroundNonparasitic splenic cysts are rare. Until now, surgical intervention has been the standard therapy of symptomatic splenic cysts.AimsWe herein present a retrospective analysis of an approach using percutaneous ultrasound-guided fine needle aspiration and sclerotherapy.MethodsOut of 88,151 ultrasound reports, we identified 138 patients who presented with splenic cysts. A single splenic cyst was found in 88% (mean size 28.9 mm). Twelve patients underwent percutaneous therapy of symptomatic splenic cysts. They were younger, had larger splenic cysts and more often cyst internal echoes than the 126 untreated patients (all p < 0.0001).ResultsInitial sclerotherapy was performed with polidocanol 1% in 9 patients and with NaCl 10% in 2 patients. One hemorrhagic cyst was only purged. Serious adverse events were not noted. Eight patients had to undergo 1–11 further percutaneous cyst therapies. 15 of these 30 reinterventions were cyst aspiration therapies, only, and 11 of them were sclerotherapies with NaCl 10%. Four patients were readmitted to hospital for cyst retreatment. After 57 ± 43 months of follow-up, cyst size significantly decreased (p < 0.0001). Only two patients had a complicated course of cyst therapy.ConclusionsPercutaneous ultrasound-guided sclerotherapy is a new approach for symptomatic splenic cysts. In most patients, cyst size and symptoms can be significantly reduced during one hospital stay. 相似文献
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Kendal Jensen Syeda Afroze Yoshiyuki Ueno Kinan Rahal Amber Frenzel Melanie Sterling Micheleine Guerrier Damir Nizamutdinov David E. Dostal Fanyin Meng Shannon S. Glaser 《Digestive and liver disease》2013,45(9):754-761
BackgroundEpidemiological studies have indicated smoking to be a risk factor for the progression of liver diseases. Nicotine is the chief addictive substance in cigarette smoke and has powerful biological properties throughout the body. Nicotine has been implicated in a number of disease processes, including increased cell proliferation and fibrosis in several organ systems.AimsThe aim of this study was to evaluate the effects of chronic administration of nicotine on biliary proliferation and fibrosis in normal rats.MethodsIn vivo, rats were treated with nicotine by osmotic minipumps for two weeks. Proliferation, α7-nicotinic receptor and profibrotic expression were evaluated in liver tissue, cholangiocytes and a polarized cholangiocyte cell line (normal rat intrahepatic cholangiocyte). Nicotine-dependent activation of the Ca2+/IP3/ERK 1/2 intracellular signalling pathway was also evaluated in normal rat intrahepatic cholangiocyte.ResultsCholangiocytes express α7-nicotinic receptor. Chronic administration of nicotine to normal rats stimulated biliary proliferation and profibrotic gene and protein expression such as alpha-smooth muscle actin and fibronectin 1. Activation of α7-nicotinic receptor stimulated Ca2+/ERK1/2-dependent cholangiocyte proliferation.ConclusionChronic exposure to nicotine contributes to biliary fibrosis by activation of cholangiocyte proliferation and expression of profibrotic genes. Modulation of α7-nicotinic receptor signalling axis may be useful for the management of biliary proliferation and fibrosis during cholangiopathies. 相似文献
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Kinan Rifai Gabriele I Kirchner Matthias J Bahr Tobias Cantz Jens Rosenau Bj?rn Nashan Jürgen L Klempnauer Michael P Manns Christian P Strassburg 《Liver transplantation》2006,12(3):411-415
Little is known about hearing impairment in patients after organ transplantation. We conducted a single-center study to evaluate hearing impairment in patients after orthotopic liver transplantation (OLT). A questionnaire was sent to 695 adult patients after OLT to assess characteristics and course of auditory impairment. Risk factors such as ototoxic drugs were taken into consideration. Clinical follow-up, including immunosuppressive therapy, was analyzed in detail. The questionnaire was completed by 521 patients (75%). Hearing impairment was reported by 184 patients (35%). A total of 43 patients (8%) suffered from hearing abnormalities prior to OLT. The remaining 141 patients (27%) developed hearing impairment after transplantation. Main problems were hearing loss (52%), tinnitus (38%), and otalgia (30%). There was no association of post-OLT hearing disorders with age or known risk factors. In 43% of patients, onset of hearing impairment was within 2 yr post-OLT. Hearing loss was positively associated with tacrolimus immunosuppression in univariate (P < 0.05) and multivariate analysis (P < 0.02). Patients using a hearing aid received tacrolimus more frequently than cyclosporine (P < 0.05). In conclusion, subjective hearing impairment is frequent in patients after OLT and contributes to post-OLT morbidity. Calcineurin inhibitor-related neurotoxicity appears as a possible mechanism. Further prospective investigations with objective hearing tests are necessary to confirm these results and to evaluate the role of immunosuppression. 相似文献
10.
Rifai K Bischoff SC Widjaja A Brabant G Manns MP Ockenga J 《Clinical nutrition (Edinburgh, Scotland)》2006,25(5):773-779
BACKGROUND & AIMS: Circulating leptin and insulin concentrations are physiologically representing energy homeostasis. However, the artificial situation of long-term total parenteral nutrition (TPN) and its effects on serum leptin and insulin is not fully understood. METHODS: We studied 42 gastroenterological patients who received TPN for 19+/-11 days. Serum leptin and insulin levels as well as body composition assessed by bioelectrical impedance analysis were evaluated on days 0, 7 and 14. Insulin sensitivity was estimated by calculating the QUICKI. RESULTS: Before the start of TPN, leptin correlated positively with female gender (P<0.03), BMI (P<0.02), fat mass (P<0.02), insulin levels (P<0.001) and QUICKI (P<0.001). Within the first week of TPN, an increase of leptin levels was found only in patients with a body fat mass of >30% (P<0.02). As these were predominantly women, their leptin levels increased likewise (P<0.003). In regression analysis, fat mass (P<0.001), female gender (P<0.04), insulin levels (P<0.03), and i.v. glucose supply rates (P<0.05) were independently associated to leptin levels. CONCLUSIONS: TPN-especially glucose-induces a neurohumoral response as shown here for leptin and insulin that is mainly depending on the fat mass. Better understanding of this regulatory mechanism during artificial nutrition could offer a new approach to improve its therapeutic effects. 相似文献