Purpose of reviewRheumatoid arthritis is a systemic inflammatory disorder, which can involve many organs; among which, CNS involvement, as in rheumatoid meningitis (RM), is rare and difficult to recognize. Our goal is to present collective data of RM cases to better characterize this disease process and to start new discussions about pathophysiology, diagnosis, and treatment.Recent findingsSince Kato et al., 39 cases of RM have been reported. Approximately 59% were women, presenting with neurologic deficits (56%) and diagnosed by MRI findings, leptomeningeal enhancement (69%), after CSF analysis. Seventy-four percent were treated with corticosteroids, 64% as maintenance therapy, with 46% experiencing improvement or resolution in symptoms without relapse.SummaryDiagnosis and prognosis of RM has drastically changed since the year 2000. Early detection with CSF and MRI or biopsy findings, coupled with early treatment using corticosteroids and immunologic therapy, has reduced mortality in this population.
Pasteurella multocida infection is most commonly associated with the immunocompromised, mostly in the form of soft-tissue infection, although other sites of infection are still possible and have been reported in the immunocompetent. We report a case of an immunocompetent male with a history of exposure to carrier organisms without portal of entry who developed P. multocida pneumonia with bacteremia. We undertook a focused review of literature of previously reported cases of P. multocida pneumonia in patients with chronic obstructive pulmonary disease. This literature review supports the use of penicillins as the first line of treatment over macrolides. Considering the high mortality rates with P. multocida bacteremia, it is important for clinicians to maintain a high level of suspicion for this organism in any patient with a history of carrier species exposure.
Hyperuricemia has been recently speculated to be associated with the development of atrial fibrillation (AF). A meta-analysis of observational studies was conducted to explore the relationship between serum uric acid (SUA) and AF. We searched the MEDLINE, EMBASE, and CINAHL databases and performed extensive bibliography search to identify studies with mean SUA level for patients with and without AF. Key search terms were "atrial fibrillation" and "uric acid." Under the random-effects model, the pooled standardized difference in means between patients with and without AF was calculated. A total of 24 studies with 30,609 patients were included for quantitative analyzation of the difference in SUA levels between the patients with and without AF. The SUA level of patients with atrial AF was found to be significantly higher compared with those without AF (standardized difference in means = 0.66; 95% confidence interval, 0.43-0.88; P < 0.0001). The mean SUA level of patients with AF significantly is higher than those without AF.
Several commonly used chemotherapeutic agents, antibiotics, antivirals, and antiepileptic medications can cause partial or full Fanconi syndrome, disorders which can generally be described as transport defects in the proximal renal tubule, associated with non-anion gap metabolic acidosis. Fanconi syndrome is underreported and therefore often missed in the clinical setting. Herein, we present a case report that details the course of a 64-year-old female with a history of stage IV undifferentiated pleomorphic sarcoma who after her sixth chemotherapeutic cycle (adriamycin, ifosfamide, and mesna) developed severe hypokalemia, hypophosphatemia, and proteinuria without glycosuria, eventually diagnosed with partial Fanconi syndrome. The aim of this report is to highlight the importance of routine serum and urine monitoring in patients undergoing therapy with potentially nephrotoxic agents to avoid potentially fatal renal nephrotoxicity, including partial and full Fanconi syndrome.
Hashimoto's thyroiditis and Graves' disease are thyroid-specific autoimmune disorders with distinct pathological mechanism. Clinical presentation and histopathological features also vary greatly in these disorders. Sequential conversation from Hashimoto's thyroiditis (HT) to Graves' disease (GD) has been rarely reported throughout the world. Herein, we report a woman with history of HT, who then developed GD requiring total thyroidectomy. By reporting this case, we hope to raise awareness about this phenomenon among clinicians and illustrate the potential mechanisms behind such change. Improving recognition and identification of this potential conversation between HT and GD would allow clinicians to expeditiously implement appropriate treatment, increasing the quality of care.
Implantable pacemakers have been the mainstay of therapy for patients with severely decreased left ventricular ejection fractions and recurrent arrhythmias, among other cardiac pathology. Twiddler's syndrome (TS) is an uncommon but potentially life-threatening complication of pacemaker therapy, defined as pacemaker malfunction in the setting of device lead dislodgment due to physical manipulation. Traditionally, there are three distinct TS variants (reeling, ratchet and coiling). This case offers evidence of a unique and new variant of TS, severe recurrent erosive subtype with pacemaker externalization.
There has been much interest and increasing research focused on developing newer and improved imaging modalities to establish diagnosis. CMR and F- FDG-PET are now considered imaging modalities of choice in most centers worldwide, but the data comparing both methodologies head-to-head is limited. Nevertheless, novel radiotracers (i.e.Ga-DOTANOC, F-Flurpiridaz,N-Ammonia) and hybrid combination PET/CMR imaging are coming to spotlight with improved sensitivity and specificity for earlier detection of myocardial sarcoid. As CMR and PET are showing increased utilization in cardiac sarcoidosis, Th-SPECT,Tc MDP SPECT, Ga Scintigraphy, andRb PET are falling out of favor. Newer imaging modalities, radionuclide tracers, and hybrid PET/CMR combinations have been promising in better detecting cardiac sarcoidosis and are currently being evaluated in larger trials.
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