Classical fever of unknown origin in 21 countries with different economic development: an international ID-IRI study.

Fever of unknown origin (FUO) is a serious challenge for physicians. The aim of the present study was to consider epidemiology and dynamics of FUO in countries with different economic development. The data of FUO patients hospitalized/followed between 1st July 2016 and 1st July 2021 were collected retrospectively and submitted from referral centers in 21 countries through ID-IRI clinical research platform. The countries were categorized into developing (low-income (LI) and lower middle-income (LMI) economies) and developed countries (upper middle-income (UMI) and high-income (HI) economies). This research included 788 patients. FUO diagnoses were as follows: infections (51.6%; n = 407), neoplasms (11.4%, n = 90), collagen vascular disorders (9.3%, n = 73), undiagnosed (20.1%, n = 158), miscellaneous diseases (7.7%, n = 60). The most common infections were tuberculosis (n = 45, 5.7%), brucellosis (n = 39, 4.9%), rickettsiosis (n = 23, 2.9%), HIV infection (n = 20, 2.5%), and typhoid fever (n = 13, 1.6%). Cardiovascular infections (n = 56, 7.1%) were the most common infectious syndromes. Only collagen vascular disorders were reported significantly more from developed countries (RR = 2.00, 95% CI: 1.19-3.38). FUO had similar characteristics in LI/LMI and UMI/HI countries including the portion of undiagnosed cases (OR, 95% CI; 0.87 (0.65-1.15)), death attributed to FUO (RR = 0.87, 95% CI: 0.65-1.15, p-value = 0.3355), and the mean duration until diagnosis (p = 0.9663). Various aspects of FUO cannot be determined by the economic development solely. Other development indices can be considered in future analyses. Physicians in different countries should be equally prepared for FUO patients.

A case of Fournier’s gangrene caused by Rothia dentocariosa / Un caso de gangrena de Fournier por Rothia dentocariosa

We report a case of Fournier's gangrene rescued by debridement. A 40-year-old male patient had a 2x2 cm draining ulcer and 1x2 cm necrotic area in the scrotum for about a month. The patient was diagnosed with Fournier's gangrene. Septic shock and disseminated intravascular coagulation were absent. Computed tomography scan showed soft tissue gas in the scrotum but no gas in the retroperitoneal space or abdominal wall. Debridement was performed. Gangrene of the scrotum and necrosis of the testicle was also seen. Rothia dentocariosa was isolated in extracted wound cultures. He was saved after debridement and administration of strong antibiotics. This is the first case of Fournier's gangrene caused by R. dentocariosa in the available literature. (AU)

Presentamos un caso de gangrena de Fournier rescatado mediante desbridamiento. Un paciente varón de 40 años presentó una úlcera supurante de 2x2 cm y un área necrótica de 1x2 cm en el escroto durante aproximadamente un mes. El paciente fue diagnosticado con gangrena de Fournier. El shock séptico y la coagulación intravascular diseminada estaban ausentes. La tomografía computarizada mostró gas en los tejidos blandos del escroto, pero no en el espacio retroperitoneal ni en la pared abdominal. Se realizó desbridamiento. También se observó gangrena del escroto y necrosis del testículo. Se aisló Rothia dentocariosa en cultivos extraídos de heridas. Se salvó después del desbridamiento y la administración de antibióticos fuertes. Este es el primer caso de gangrena de Fournier por R. dentocariosa en la literatura disponible. (AU)

Corynebacterium endocarditis in a patient with a cardiac implantable electronic device / Endocarditis por Corynebacterium en un paciente portador de un dispositivo electrónico cardiaco implantable

Cardiac implantable electronic device (CIED) infections have been rising around the world. Many microorganisms can lead to this disease. Corynebacterium species are catalase-positive Gram-positive bacilli, also known as "diphtheroids" or "coryneform" bacteria, were once almost universally dismissed as contamination when recovered from patients, but they are now increasingly being linked to serious infections and have the ability to form biofilms and rarely cause CIED infections and this can be complicated as infective endocarditis. Corynebacterium spp. are frequently overlooked as contaminants in blood cultures, yet they can cause a serious infective endocarditis (IE). Antibiotic resistance is increasing among Corynebacterium spp., and this makes treatment more challenging. There are few reports of IE caused by Corynebacterium spp., and more research is needed. Here, we report a case of 55- year old man with Corynebacterium spp. cardiac device-related infective endocarditis (AU)

Las infecciones por dispositivos electrónicos implantables cardíacos (CIED) han ido en aumento en todo el mundo. Muchos microorganismos pueden conducir esta enfermedad. Las especies de Corynebacterium son bacilos grampositivos catalasa positivos, también conocidos como bacterias "difteroides" o "corineformes" que, alguna vez, se descartaron casi universalmente como contaminación cuando se recuperaron de los pacientes, pero ahora se los vincula cada vez más con infecciones graves y tienen la capacidad de forman biopelículas y rara vez causan infecciones por CIED, y esto puede complicarse como una endocarditis infecciosa. Corynebacterium spp. a menudo se pasan por alto como contaminantes en los hemocultivos, pero pueden causar una endocarditis infecciosa (EI) grave. La resistencia a los antibióticos está aumentando entre Corynebacterium spp., y esto hace que el tratamiento sea más desafiante. Hay pocos informes de EI causada por Corynebacterium spp., y se necesita más investigación. Aquí reportamos un caso de un hombre de 55 años con EI por Corynebacterium spp. relacionada con dispositivos cardíacos (AU)

Hydatid Cyst of the Spine: A Rare Case Report

Hydatid cyst is a zoonotic disease that can affect multiple organs and is difficult to diagnose and treat. Spinal hydatid cyst (SHC) is a rare hydatid cyst involvement observed in 1% of all cases. It can induce various neurological symptoms depending on the region of the involvement. Paraplegia is one of the most prevalent neurological symptoms. In this case report, a 63-year-old male patient with bilateral lower extremity paraplegia was operated on by neurosurgery and diagnosed with SHC at the level of Th 11 vertebra in the pathological examination of surgically removed materials. Thus, we aimed to emphasize the significance of pathological and microbiological examination in the differential diagnosis of spinal disorders.

A case of Brucella pyelonephritis: a rare case / Un caso de pielonefritis por Brucella: un caso raro

Brucellosis is a zoonotic disease, seen globally, especially in developing countries and it can affect many organs. Urinary involvement of this disease is a very rare. Pyelonephritis, interstitial nephritis, glomerulonephritis, nephropathy are the reported urinary involvements. In this study, we aimed to report a case of Brucella pyelonephritis, who had complaints mimicking acute bacterial pyelonephritis, with a history of polycystic kidney disease and calculi in the left kidney (AU)

La brucelosis es una enfermedad zoonótica, vista globalmente, especialmente en países en vías de desarrollo y puede afectar muchos órganos. La afectación urinaria de esta enfermedad es muy rara. Pielonefritis, nefritis intersticial, glomerulonefritis y nefropatía son los compromisos urinarios reportados. En este estudio, nuestro objetivo fue informar un caso de pielonefritis por Brucella, que tenía síntomas que simulaban una pielonefritis bacteriana aguda, con antecedentes de poliquistosis renal y cálculos en el riñón izquierdo (AU)

Treatment of advanced stage gonarthrosis with prolotherapy: case report.

INTRODUCTION: This case report aims to discuss the clinical and radiological outcomes of prolotherapy at a patient whom to total knee prosthesis had been planned but surgery couldn't be performed due to co-morbidities. CASE PRESENTATION: A 72 year old woman presented with severe pain at her knees for over 5 years. Treatment methods include weight loss, decreasing the weight bearing on the joint, stretching exercises, nonsteroid anti-inflammatory and steroid drugs, and physiotherapy. The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scale was applied to measure the osteoarthritis level of the patient: Pain level; 25 points, stiffness level; 10 points, Physical function loss; 80 points, and total WOMAC 115 points. At radiological evaluation, the patient was diagnosed as grade IV osteoarthritis due to significant osteophyte presence and complete joint space narrowing. Six sessions of knee prolotherapy protocol was applied to the patient, one session monthly. CONCLUSIONS: Significant improvement was noted at WOMAC scale (Pain level; 5 points, stiffness level; 2 points, Physical function loss; 15 points, and total WOMAC 22 points). Osteoarthritis level of the patient was improved to grade I at radiological evaluation after a year. Our case is the report that presents radiological evidence in addition to clinical findings of improvement of osteoarthritis level. As a result of this case report, further studies aiming to offer a different minimally invasive treatment option to the patients before surgery may be performed. We are in the opinion that prolotherapy may be preferred more commonly as an efficient method once the importance of ligamentous structures at pathogenesis of osteoarthritis is established.