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OBJECTIVES: We aimed to evaluate the prevalence and perception of scientific misconduct in infectious diseases (ID) and clinical microbiology (CM), as reported by the ID/CM community. METHODS: An anonymous online European Society of Clinical Microbiology and Infectious Diseases survey circulated among society members from October 2023 to June 2024; the questionnaire included data on participants' views on their own and their colleagues' scientific misconduct in the last 5 years. RESULTS: The survey received 220 responses. Responders were 73% ID physicians, 52% men, 56% aged 35-54 years, and represented 48 countries, mainly European (126 participants). The vast majority of participants (78%) reported that they did not personally commit scientific misconduct, whereas 54% reported witnessing misconduct by colleagues in their field. The most commonly committed misconduct by both responders and their colleagues was misconduct of authorship rules, 14% and 41%, respectively. Overall, 18% reported witnessing misleading reporting and 14% reported witnessing nonaccurate reporting of conflict of interest. Nevertheless, the majority (>60%) of responders reported high confidence in the integrity of published work in the field of ID/CM. Approximately one-third of responders were not aware of the European Society of Clinical Microbiology and Infectious Diseases ethics advisory committee as an authority to which members can report misconduct. DISCUSSION: Scientific misconduct, mostly related to violation of authorship rules, seems to be common in ID/CM. Efforts to improve scientific integrity should be made to keep trust in the scientific process.
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OBJECTIVES: Gram-negative rods are the most common cause of bloodstream infection in renal transplant recipients. Acute rejection, urologic abnormalities, and ureteral stents are risk factors. Graft dysfunction is independently associated with gram-negative rod bloodstream infection. Our aim is to investigate the incidence, risk factors, and outcome among living donor renal transplant recipients from Pakistan. MATERIALS AND METHODS: In this case-control study, we reviewed the medical records until June 2021 of renal transplant recipients seen from 2015 to 2019 for gram negative bacteremia. For every case, controls were matched by age, date of transplant, and sex. Demographics, risk factors, graft function, and mortality were compared. Clinical features, immunosuppression, source of blood stream infection, and microbiology were noted in cases. RESULTS: Of 1677 renal transplant recipients, 44 developed gram negative bacteremia. The incidence was 5.9 per 1000 person-years. Median time since transplant was 5 months. The most common source was urinary tract infection. On univariate analysis, antithymocyte globulin, urinary tract infection, and recurrent urinary tract infections were associated with gram negative bacteremia. On multivariate analysis, urinary tract infection (adjusted odds ratio = 3.46; 95% CI, 1.27-9.37) and recurrent urinary tract infections (adjusted odds ratio = 4.03; 95% CI, 1.15-14.15) were significant risk factors. We found no difference in 30-day mortality and estimated glomerular filtration rate on last follow-up between cases and controls. Kaplan-Meier survival curves showed significant differences in graft survival in patients with gram negative bacteremia. Escherichia coli was the most common organism, with 75% ceftriaxone and 13% imipenem resistance. CONCLUSIONS: The most significant risk factor for gram negative rod bloodstream infection was recurrent urinary tract infections. Timely treatment and prevention of recurrent urinary tract infections areimperative for prevention of gram negative bacteremia.
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Bacteriemia , Transplante de Rim , Sepse , Infecções Urinárias , Humanos , Transplante de Rim/efeitos adversos , Estudos de Casos e Controles , Paquistão/epidemiologia , Doadores Vivos , Sepse/complicações , Fatores de Risco , Infecções Urinárias/diagnóstico , Infecções Urinárias/epidemiologia , Infecções Urinárias/etiologia , Bacteriemia/diagnóstico , Bacteriemia/epidemiologia , Bacteriemia/etiologia , Bactérias Gram-Negativas , Estudos Retrospectivos , TransplantadosRESUMO
INTRODUCTION: Coronavirus disease-19 (COVID-19) is known to cause severe disease in chronic kidney disease and maintenance dialysis patients. We aim to report the outcome of COVID-19 and the adverse effects of Remdesivir (RDV) in patients with renal failure. METHODOLOGY: A retrospective observational study included all admitted patients with COVID-19 who received Remdesivir. Clinical characteristics and outcomes were compared in patients with renal failure (RF) and non-renal failure (NRF). We also evaluated RDV-associated nephrotoxicity and observed renal functions during antiviral treatment. RESULTS: A total of 142 patients received RDV, 38 (26.76%) in RF and 104 (73.23%) in the non-RF group. The median absolute lymphocyte count was low while C-reactive protein, ferritin, and D-dimer were significantly high on admission in the RF group. A significant number of patients in the RF group required ICU admission (58% vs. 35% p = 0.01) and expired (29% vs. 12.5 p = 0.02). Among survivors and non-survivors in the RF group, raised inflammatory markers and low platelet count on presentation were significantly associated with high mortality. Median serum creatinine (mg/dL) was 0.88 on admission, remained at 0.85 in the NRF group, and improved from 4.59 to 3.87 (mg/dL) after receiving five days of RDV in the RF group. CONCLUSIONS: COVID-19 in renal failure has a high risk for ICU admissions leading to increased mortality. Multiple comorbidities and raised inflammatory markers are predictors of poor outcomes. We observed no significant drug-related adverse effects, and none of our patients required discontinuation of RDV due to worsening renal function.
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COVID-19 , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Insuficiência Renal , Humanos , Paquistão , Tratamento Farmacológico da COVID-19 , Insuficiência Renal/induzido quimicamente , Insuficiência Renal/epidemiologiaRESUMO
Background: Carbapenem-resistant Gram-negative (CRGN) bacteraemia has high mortality and limited therapeutic options. We assessed the risk factors and outcome of CRGN bacteraemia treated with limited options. Methods: A prospective cohort study done at a tertiary care hospital in Pakistan, from October 2021 to August 2022. All patients >18â years with CRGN bacteraemia were assessed for demographics, source, risk factors and treatment received. Outcome was assessed as bacterial clearance and all-cause mortality at Day 14 of bacteraemia. Results: We included 175 patients. Median age was 45â years (IQR 30-58) and the majority of our patients were on haemodialysis (75%). We found 14â day mortality in 26.8% of our patients; in addition, microbiological clearance was achieved in 95%. The central line (49.7%) was the most common source and Klebsiella spp. (47%) the most common organism. On multivariate analysis, risk factors for mortality were Foley's catheter [aOR 2.7 (95% CI 1.1-6.5)], mechanical ventilation [aOR 5.1 (95% CI 1.6-15.8)] and Pitt bacteraemia score >4 [aOR 3.48 (95% CI 1.1-10.5)]. Source control was a significant protective factor [aOR 0.251 (95% CI 0.09-0.6)]. The majority received a colistin-based regimen with no difference in mortality between monotherapy and combination therapy. Conclusions: Our cohort of CRGN bacteraemia is unique, comprising younger patients mostly on haemodialysis with a central line as the source of bacteraemia and we have found 14â day mortality of 27%. Colistin with various combinations can be an effective option in patients with renal failure having prompt source control.
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BACKGROUND: Colistin, also known as Polymyxin E, was the first polymyxin antibiotic. This bactericidal antibiotic plays a vital role as salvage therapy for untreatable gram-negative. Colistin dosing regimens differ worldwide. The published guidelines have different recommendations on the dosing regimens. Further confusion exists due to two different dosing units. Currently, Pakistan has no national guidelines for colistin use. The guideline was developed to improve the safety profile by developing standardization in colistin use and thus reduce the confusion amongst clinicians. METHODS: The guideline was developed by a panel of five actively practising infectious disease specialists (physicians and pharmacists) with clinical and research expertise in this particular field. Different literature and international guidelines along with institutional data were used to develop the guideline. CONCLUSIONS: The guideline provides ten recommendations on prescribing, transcribing, posology, preparation, administration and monitoring of colistin use. The guideline will give Pakistani healthcare providers a standard approach to using rationally and effectively, and to clear confusion and questions about this medicine.
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Colistina , Médicos , Adulto , Humanos , Colistina/uso terapêutico , Antibacterianos/uso terapêutico , Instalações de Saúde , PaquistãoAssuntos
Infecções por Actinomycetales , Abscesso Encefálico , Transplante de Rim , Rhodococcus equi , Humanos , Transplante de Rim/efeitos adversos , Seguimentos , Antibacterianos/uso terapêutico , Abscesso Encefálico/diagnóstico por imagem , Abscesso Encefálico/tratamento farmacológico , Infecções por Actinomycetales/diagnóstico , Infecções por Actinomycetales/tratamento farmacológicoRESUMO
OBJECTIVE: To assess the views of health service providers towards coronavirus disease 2019 vaccination with Cansino, Sinovac and Sinopharm vaccines. METHODS: The analytical cross-sectional study was conducted at the Sindh Institute of Urology and Transplantation, Karachi, in May and June 2021, and comprised doctors, nurses, technical staff, and medical social officers. Data was collected using a questionnaire, in Urdu and English languages, assessing determinants of hesitancy. Data was analysed using SPSS 19. RESULTS: Of the 331 subjects, 156(47%) were males and 175(53%) were females. Overall, 183(55%) subjects were aged <30 years, and 7(2%) were aged >60 years. Among the responders, 274(83%) were vaccinated, 49(15%) wanted to delay, and 8(2.4%) were outright refusers. Among the hesitant, 43(80%) were women, and 56(98%) were aged <40 years. Age, gender, occupational group and personal experience with the disease had significant correlations with vaccination status (p<0.05). Personal safety 202(74%) followed by the perception of official requirement 162(59%) were the prime reasons for getting vaccinated. No respondent cited religious inhibitions or social media as the reason behind vaccine refusal. CONCLUSIONS: A lack of trust in the safety and efficacy data of the available Chinese vaccines appeared as a factor inducing hesitancy. The resistance of younger respondents, especially trainee physicians, was a finding of concern since they form the backbone of the health system in the country.
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COVID-19 , Anormalidades Urogenitais , Vacinas , COVID-19/prevenção & controle , Vacinas contra COVID-19/uso terapêutico , Estudos Transversais , Feminino , Humanos , Masculino , Paquistão , Pais , Vacinação , Hesitação VacinalRESUMO
INTRODUCTION: Whipple's disease (WD) is a rare multi-systemic disorder caused by actinomycetes, Tropheryma whipplei. It presents with weight loss, arthralgia, and diarrhea and may involve the heart, lung, or central nervous system. The use of immunosuppressive medications or underlying immunodeficiency states are associated risk factors. Six cases in transplant recipients have so far been reported worldwide. We describe our experience of WD in renal transplant recipients. METHODS: All renal transplant recipients who presented with diarrhea and were diagnosed with WD on duodenal biopsy from 2016 till 2019 were included. Their data regarding duration since transplantation, immunosuppressive therapy, symptoms, treatment response, and outcome were analyzed. RESULTS: Seven cases were diagnosed as WD based on duodenal biopsy, with histological findings of periodic acid Schiff-positive granules in macrophages. All were males. The most common symptoms were chronic diarrhea and weight loss. Average time since transplantation was 4.8 years. All patients were on azathioprine and everolimus. Clinical relapse or adverse effects was seen in five of seven patients treated with doxycycline and hydroxychloroquine which was discontinued. Trimethoprim/sulfamethoxazole for 1 year, with initial intravenous ceftriaxone in two patients, resulted in complete remission in all patients at a follow-up period averaging 1.5 years. CONCLUSION: WDs in renal transplant recipients most commonly presents as an intestinal disorder. Treatment of 1 year with trimethoprim/sulfamethoxazole has good response with complete remission at 1.5 years of follow up.
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Transplante de Rim , Doença de Whipple , Antibacterianos/uso terapêutico , Humanos , Transplante de Rim/efeitos adversos , Masculino , Paquistão , Transplantados , Tropheryma , Doença de Whipple/diagnóstico , Doença de Whipple/tratamento farmacológicoRESUMO
This paper examines the relationship between sustainability targets and their impacts on corporate environmental innovation. Using data over the period 2009-2018 on 202 companies from BRICS countries, covering firm-level governance, social responsibility and sustainability this paper examines firm-level sustainability targets, and incentives encourage managers to engage in more environmentally friendly activities. Using panel data probit regression, and after controlling for country-level governance and institutional factors, the study finds that embedding environmental targets in corporate strategy does encourage corporate managers to design and develop eco-friendly products and services, and such firm-level commitments at the top motivates managers to promote, market, and label environmentally friendly products. The findings call for greater emphasis on aligning executive compensation with sustainability targets rather than focusing too much on short-term accounting and market-based measures of firm performance.
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Organizações , Responsabilidade SocialRESUMO
INTRODUCTION: Renal transplant recipients are at high risk of tuberculosis (TB). We started isoniazid (INH) prophylaxis of 1 year duration in all renal transplant recipients from April 2009. Our aim was to assess the incidence of TB on INH prophylaxis and its tolerability. METHODS: This was a retrospective observational study. The files of renal transplant recipients from April 2009 to December 2011 were reviewed till June 2015. We noted the incidence of TB, INH tolerability, and development of resistance. We compared the incidence of TB with the historical controls who never received the prophylaxis. RESULTS: A total of 910 patients were reviewed and followed up for 4.8 years. INH prophylaxis was completed by 825 (91%) patients. A total of 46 patients (5%) developed active TB as compared to 15% in the historical controls. The median time of TB diagnosis from transplantation was 2.8 years. In the first-year post transplant, out of total TB cases, 52% occurred in the historical controls whereas 13% occurred in study cohort. Around 67% had TB >2 years after transplant. Overall 1.43% had hepatotoxicity. There was a significant reduction in TB among those who completed prophylaxis to those who did not (p < 0.001). Of 14 cultures, one isolate was INH resistant (7%). CONCLUSION: INH prophylaxis was well tolerated. The incidence of TB decreased in the first 2 years. However there was a surge in TB cases 1 year after stopping INH therapy. We should consider prolonging the duration of INH prophylaxis in high TB burden countries in renal transplant recipients.
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Transplante de Rim , Tuberculose , Antituberculosos/uso terapêutico , Humanos , Isoniazida/uso terapêutico , Transplante de Rim/efeitos adversos , Estudos Retrospectivos , Transplantados , Tuberculose/tratamento farmacológico , Tuberculose/epidemiologia , Tuberculose/prevenção & controleRESUMO
Multidrug-resistant tuberculosis (MDR-TB) is caused by Mycobacterium tuberculosis that is resistant to isoniazid and rifampicin (Rif). The use of immunosuppressive drugs in solid organ transplant recipients can increase the risk of TB. Management of MDR-TB is quite challenging in the general population with poor compliance owing to lengthy treatment duration and drug toxicities. New drugs as well as shorter regimen have been used to increase the likelihood of adherence. The experience of treating MDR-TB in the transplant recipients is limited. New drugs like bedaquiline, linezolid, clofazimine, and delamanid have rarely been used in transplant recipients. To the best of our knowledge, only 14 cases of MDR-TB in transplant population have been reported in the literature and no case from Pakistan, a high TB burden country. We are reporting our experience of treating 4 renal transplant recipients. We used new drug regimen and found many side effects. Treatment outcome was successful with complete cure in 3 of our patients, however one died of severe drug toxicity. The most worrisome drug interaction was between azathioprine and linezolid, with life-threatening thrombocytopenia. There was no graft dysfunction noted at the end of the therapy. The management of MDR-TB in transplant recipients is challenging; excellent coordination between transplant team and Infectious Diseases Physician for close monitoring and follow-up is needed.
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Transplante de Rim , Mycobacterium tuberculosis , Tuberculose Resistente a Múltiplos Medicamentos , Antituberculosos/efeitos adversos , Humanos , Transplante de Rim/efeitos adversos , Transplantados , Tuberculose Resistente a Múltiplos Medicamentos/tratamento farmacológico , Tuberculose Resistente a Múltiplos Medicamentos/epidemiologiaRESUMO
BACKGROUND: Polymyxins (colistin) have emerged for the treatment of carbapenem resistant (CR) gram-negative infections. There is a paucity of data on treatment outcomes and adverse effects of high-dose colistin treatment in Pakistan. The aim of this study was to determine the efficacy and toxicity of colistin in CR bacteremia, including patients with renal failure and on hemodialysis, and to determine patient outcomes. METHODS: This prospective cohort study was performed from May to December 2017 at Sindh Institute of Urology and Transplantation, Karachi, Pakistan. Patients aged >18 years with documented gram-negative bacteremia were included. Data were compared between those who received colistin and those who did not, including risk factors for CR bacteremia, bacterial clearance, adverse effects, and all-cause mortality up to 14 days of follow-up. RESULTS: The study included 137 patients, 73 (53.3%) in the colistin group and 64 (46.7%) in the non-colistin group. Patients in the colistin group were 1.47 times more likely to have died by day 14 of follow-up as compared to those in the non-colistin group (19.2% vs 7.8%; relative risk 1.47, p= 0.05). Patients in both groups achieved more than 80% bacteriological clearance. The colistin group patients were less likely to have received appropriate empirical antibiotics as compared to the non-colistin group patients (4.1% vs 62.5%; relative risk 0.09, p< 0.001). Factors significantly associated with mortality were inappropriate empirical antibiotics and acute renal failure. Of the 73 patients in the colistin group, 27 (37.0%) developed reversible neurological adverse effects. Patients with renal insufficiency, not on hemodialysis, were evaluated for colistin nephrotoxicity. Creatinine decreased from 8.08 mg/dl at baseline to 4.85 mg/dl on day 7 in the colistin group, and from 6.5 mg/dl to 3.9 mg/dl in the non-colistin group. Patients with normal renal function had no significant rise in serum creatinine. CONCLUSIONS: Colistin is efficacious in clearing bacteremia even in patients with impaired renal function. The adverse effects were found to be minimal and reversible. We recommend the use of colistin in combination with carbapenems for CR gram-negative bacteria in renal failure. Most importantly, however, this study highlights the role of empirical colistin treatment in patients with risk factors for CR bacteremia.
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Antibacterianos/farmacologia , Bacteriemia/tratamento farmacológico , Carbapenêmicos/farmacologia , Colistina/farmacologia , Infecções por Bactérias Gram-Negativas/tratamento farmacológico , Adolescente , Adulto , Idoso , Antibacterianos/uso terapêutico , Colistina/uso terapêutico , Humanos , Masculino , Pessoa de Meia-Idade , Paquistão , Estudos Prospectivos , Resultado do TratamentoRESUMO
Furunculosis in renal transplant recipients may be associated with increased morbidity. With the aim to study the presentation, morbidity, and risk factors for furunculosis, this observational study was conducted at the Sindh Institute of Urology and Transplantation, between January to December 2014. All patients with furuncles or abscesses were included. The clinical presentation and risk factors were recorded. A morbidity scale of 0 and 1 was made on the basis of hospital stay for ≥7 days, bacteraemia, large abscesses and repeated furunculosis. Out of 38 patients, 29 (76%) had large abscesses and 9 (24%) had furuncles, with gluteal region being the most common site. Twelve (32%) had severe disease; 29 (76%) had morbidity scale of ≥1. High dose immunosuppression was significantly associated with severe disease while repeated furunculosis had significantly more risk factors. Furunculosis is a severe disease with high morbidity in renal transplant recipients and more studies are needed on skin colonisation and preventive strategies.
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Furunculose , Transplante de Rim , Urologia , Animais , Furunculose/epidemiologia , Humanos , Transplante de Rim/efeitos adversos , Morbidade , Estudos RetrospectivosRESUMO
Human Immunodeficiency Virus associated neurocognitive dysfunction can present as a case of movement disorder in a patient with prolonged antiretroviral therapy. Diagnosis was made after ruling out space occupying lesions, nutritional deficiencies and infectious causes through brain imaging and cerebrospinal fluid analysis. With multidisciplinary care and change of antiretroviral therapy to drugs with higher cerebrospinal fluid penetration, symptoms of the patient improved over a span of six months. Delayed neurological damage due to Human Immunodeficiency Virus can present with isolated cerebellar symptoms.
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Complexo AIDS Demência/diagnóstico por imagem , Fármacos Anti-HIV/uso terapêutico , Tronco Encefálico/diagnóstico por imagem , Ataxia Cerebelar/diagnóstico por imagem , Cerebelo/diagnóstico por imagem , Infecções por HIV/tratamento farmacológico , Complexo AIDS Demência/tratamento farmacológico , Complexo AIDS Demência/fisiopatologia , Alcinos/uso terapêutico , Benzoxazinas/uso terapêutico , Barreira Hematoencefálica , Ataxia Cerebelar/fisiopatologia , Ciclopropanos/uso terapêutico , Substituição de Medicamentos , Feminino , Marcha Atáxica/diagnóstico por imagem , Marcha Atáxica/fisiopatologia , Humanos , Lamivudina/uso terapêutico , Imageamento por Ressonância Magnética , Mesencéfalo/diagnóstico por imagem , Pessoa de Meia-Idade , Doenças Neurodegenerativas/diagnóstico por imagem , Doenças Neurodegenerativas/fisiopatologia , Nistagmo Patológico/diagnóstico por imagem , Nistagmo Patológico/fisiopatologia , Transtorno de Pânico/fisiopatologia , Ponte/diagnóstico por imagem , Equilíbrio Postural/fisiologia , Transtornos de Sensação/diagnóstico por imagem , Transtornos de Sensação/fisiopatologia , Tenofovir/uso terapêutico , Zidovudina/uso terapêuticoRESUMO
A 43-year-old male patient developed varicella virus (chickenpox) 4 months after receiving a liver transplant. Within 5 days of complete recovery, he presented with widespread cutaneous vesicular eruptions involving the face, back, abdomen, and upper extremities. Tzanck smear showed ground glass inclusions in the nuclei of multinucleated giant cells, suggestive of viral pathology. The patient was subsequently diagnosed with Kaposi varicelliform eruption, a rare dermatologic emergency. He was treated with high-dose intravenous acyclovir and fully recovered.
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Varicela/virologia , Herpesvirus Humano 3/patogenicidade , Erupção Variceliforme de Kaposi/virologia , Transplante de Fígado/efeitos adversos , Aciclovir/administração & dosagem , Administração Intravenosa , Adulto , Antivirais/administração & dosagem , Varicela/diagnóstico , Everolimo/efeitos adversos , Herpesvirus Humano 3/efeitos dos fármacos , Humanos , Imunossupressores/efeitos adversos , Erupção Variceliforme de Kaposi/diagnóstico , Erupção Variceliforme de Kaposi/tratamento farmacológico , Masculino , Fatores de Risco , Resultado do TratamentoRESUMO
BACKGROUND: Broilers are vulnerable to various types of microorganisms, including Salmonella, Escherichia coli and Staphylococcus aureus, resulting in multiple infections. Broad-spectrum antibacterial drugs such as florfenicol (FF) are widely used in the treatment of such infections. Suspected residues of these drugs in body tissues of treated birds can be passed to humans through meat consumption and thus lead to serious ill effects on human health. The present study was designed to estimate the presence of FF residues in broiler meat and liver samples. RESULTS: The mean residual concentrations of FF in broiler meat and liver samples were 311.42 ± 186.56 and 2585.44 ± 1759.71 µg kg(-1) respectively, which are higher than their respective maximum residual limits (MRLs). The results showed that 126 and 24 samples were FF-positive and FF-negative respectively. Of the positive samples, 84 and 42 samples were above and below the MRL respectively. CONCLUSION: The results indicate the presence of FF residues in broiler meat and liver samples. Usage of this contaminated meat causes resistance in consumers and poses a public health threat. Thus there is a need to educate farmers about the ill effects of residual drugs on human health and their withdrawal times in poultry. © 2015 Society of Chemical Industry.
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Antibacterianos/análise , Galinhas , Cromatografia Líquida de Alta Pressão/métodos , Contaminação de Alimentos/análise , Fígado/química , Tianfenicol/análogos & derivados , Animais , Resíduos de Drogas/análise , Farmacorresistência Bacteriana , Humanos , Carne/análise , Paquistão , Aves Domésticas , Tianfenicol/efeitos adversos , Tianfenicol/análise , Drogas Veterinárias/análiseRESUMO
Chronic necrotizing pulmonary aspergillosis is a chronic semi invasive pulmonary disease. It is an uncommon disease and has never been reported in transplant recipients. We report a case of chronic necrotizing pulmonary aspergillosis in a renal transplant recipient.
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Hospedeiro Imunocomprometido , Aspergilose Pulmonar Invasiva/patologia , Transplante de Rim/efeitos adversos , Adulto , Humanos , Imunossupressores/uso terapêutico , Aspergilose Pulmonar Invasiva/etiologia , Transplante de Rim/imunologia , MasculinoRESUMO
Dengue Fever (DF) with acute acalculous cholecystitis is a rare and atypical presentation. We report a case of dengue fever presenting as acute acalculous cholecystitis. The patient presented with abdominal pain, vomiting and fever. Her platelet counts were low and Dengue antibody test was positive. Ultrasound showed acute acalculous cholecystitis. The patient was successfully managed conservatively.