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Biomedical subjects

N Akritidis

Publications and source records attributed to N Akritidis.

At least 19 recordsLinked to original sources

Doxycycline-rifampicin: physicians' inferior choice in brucellosis or how convenience reigns over science.

OBJECTIVES: Brucellosis treatment is based on sub-optimal, not universally implemented regimens (doxycycline-rifampicin and doxycycline-streptomycin). The authors sought to evaluate specialists' and physicians' attitude towards regimens used, non-medical aspects, and future trends in human brucellosis treatment. METHODS: A questionnaire-based survey of multi-national specialists, physicians, and trainees, was conducted, questionnaire answered following lectures outlining major scientific facts about existing regimens. Responders indicated preference between the two regimens, their opinion on protracted monotherapy or triple regimens of shorter duration, awareness of disease notification and hospitalization practices. Results were evaluated in relation with professional status and experience with the disease. RESULTS: Although scientifically inferior to doxycycline-streptomycin, doxycycline-rifampicin is the choice regimen for 64.6% of the participants. A shorter triple regimen, but not protracted monotherapy, would be desirable (60.2% and 10.4%, respectively). Low awareness of disease-notifying status and related procedures were recorded in 53.9%. CONCLUSION: When choosing between currently acceptable brucellosis regimens, medical personnel prefer convenience, even at the cost of a slightly higher relapse percentage. Future trials should evaluate shorter triple regimens. Enhancement of awareness on the disease and its principles may increase therapeutic cost effectiveness.

Anti-Bacterial Agents↗

Brucella as a biological weapon.

Brucella has traditionally been considered a biological weapon. It was the subject of extensive offensive research in the past, and still belongs to category B pathogens on most lists. Its propensity for airborne transmission and induction of chronic debilitating disease requiring combined antibiotic regimens for treatment, its abundance around the world and its vague clinical characteristics defying rapid clinical diagnosis are some of the characteristics that apply to the pathogen's weapons potential. Yet minimal mortality, availability of treatment options, protracted inoculation period and the emergence of new, more virulent potential weapons means that its inclusion among agents of bioterrorism is nowadays mainly of historical significance. Nevertheless, in the interest of literacy and of avoiding panic, physicians and the public both should be aware of the most common zoonosis worldwide.

Animals↗

Quinolones for brucellosis: treating old diseases with new drugs.

Although quinolones are theoretically interesting candidates for the treatment of brucellosis, the existing data concerning their efficacy are limited and conflicting. A number of small clinical studies with combination regimens that include quinolones have shown adequacy, but not superiority, although cost-effectiveness, excluding certain disease complications, is an important issue. The emergence of quinolone resistance and its implications is another drawback. Experimental data have yielded contradictory results, although most studies do not indicate a bactericidal effect for quinolones. However, in-vitro studies contrast repeatedly with the clinical response, both in terms of clinical failure, despite in-vitro success, and vice versa.

Anti-Infective Agents↗

Hodgkin's disease during pregnancy: a case report and review of the literature.

The simultaneous presence of cancer and pregnancy is rare but occurs, creating extreme scenarios in clinical practice. Hodgkin's disease (HD), affects primarily young adults and therefore obstetricians may confront young women with this type of lymphoma during pregnancy. We report a case of a 27-year-old woman with HD who presented during the 28th week of gestation. After counseling the couple decided to continue with the pregnancy. The patient received conservative treatment with regression of the symptoms and rapid improvement of her general condition. At 36 weeks of gestation a healthy infant was born and the patient underwent chemotherapy after delivery with complete resolution of the disease.

Adult↗

Unusual causes of reactive arthritis: Leptospira and Coxiella burnetii.

Reactive arthritis is a well-defined clinical syndrome occurring after various infections, although most cases are usually associated with Chlamydiae and gastrointestinal pathogens. Its immunologic background has been extensively studied, as has its relationship with HLA-B27. We describe two cases of reactive arthritis arising after infections with two pathogens not so far related to the occurrence of reactive arthritis: one patient exhibited migratory oligoarthritis shortly after the course of acute Q fever, and another patient developed monoarthritis during recovery from leptospirosis. Arthritis was transient and did not exhibit a chronic course in either patient. We further discuss the context of pathophysiology of the arthritis in these patients, with an emphasis on the immunomodulatory properties of these two pathogens.

Adult↗

Acute renal dysfunction associated with selective COX-2 inhibitor therapy.

The recent release of the selective cyclooxygenase-2 (COX-2) enzyme inhibitors for the treatment of various inflammatory disorders and pain syndromes has been associated with a clear-cut decrease in adverse gastrointestinal effects. The nephrotoxic effect of selective COX-2 inhibitors has not yet been firmly established. We report a case of reversible acute renal failure due to rofecoxib treatment in an elderly patient with several risk factors associated with traditional nonselective nonsteroidal anti-inflammatory drug (NSAID)-related nephrotoxicity. It is prudent to approach therapy with selective COX-2 inhibitors cautiously and in a fashion similar to traditional NSAID therapy for patients with risk factors that induce prostaglandin-dependent renal function.

Acute Kidney Injury↗

Ascites caused by brucellosis: a report of two cases.

Brucellosis is a zoonosis still endemic in developing areas of the world. Focal complications of Brucellosis are well known and often troubling in the differential diagnosis. Gastrointestinal complications of Brucellosis are randomly reported, ascites being particularly rare, and usually in the context of a predisposing condition such as cirrhosis. We describe two cases of ascites attributed to Brucellosis, one in a previously healthy patient with an accompanying clinical picture of acute Brucellosis, in whom ascites reflected the response of the peritoneal mononuclear phagocytic system, and one in a HBsAg-positive, but not cirrhotic, patient, in whom Brucellosis seemed to act as a trigger effect for the development of ascites. Both cases of ascites were of an effusion type, with a predominantly lymphocytic cell count, and exhibited an excellent response to treatment with tetracycline and rifampicin.

Adult↗