Reversible posterior leukoencephalopathy may develop in patients who have renal insufficiency or hypertension or who are immunosuppressed. This syndrome should be recognized immediately and trigger agents can be discontinued to prevent long-term sequelae.
Circumcision is the oldest and most frequent surgical procedure in the world and especially in Turkey as is seen in the other Islamic countries because of religious and traditional pressures. In this study, we aim to report the experience of circumcision at Çukurova University in a total of 76 patients with haemophilia between 1990 and 2011. We retrospectively reviewed medical records of 69 haemophilia patients without inhibitors and seven haemophilia patients with inhibitors who had been circumcised. Before the year 2000, factor concentrates were given before and after circumcision for 6-7 days. After 2000, we used fibrin glue together with factor concentrates for only 3 days. By-passing agents were used for circumcision in haemophilia patients with inhibitors. Twelve of 69 patients without inhibitors were referred to our centre with bleeding after the circumcision before diagnosis of haemophilia. Nine of these twelve patients had severe life threatening bleeding and three of them had moderate bleeding. Sixty-four patients with haemophilia were circumcised in our centre under general anaesthesia except for three patients who were given local anaesthesia. Thirteen of 57 haemophilia patients (22.8%) without inhibitors had seven mild and six moderate bleeding complications. A few patients had significant bleeding, despite adequate factor replacement. Five of seven haemophilia patients with inhibitors had two moderate and three mild bleeding complications. Our experience showed that circumcision for patients with haemophilia should be carefully performed by surgeons together with paediatric haematologist, under appropriate conditions in haemophilia centres which has comprehensive coagulation lab.
Hemophagocytic lymphohistiocytosis (HLH) is a rare clinical syndrome characterized by uncontrolled activation of cytotoxic T cells and antigen-presenting cells. Common clinical manifestations include high fever, maculopapular rash, neurological symptoms, coagulopathy, and abnormal liver function tests [1]. HLH can be either primary, that is, due to an underlying genetic defect, or secondary, associated with malignancies, autoimmune diseases, or infections. The true incidence of secondary HLH is difficult to define. Infection associated HLH are most commonly associated with viral infections mainly of the herpes group, with Epstein-Barr virus (EBV) that is proposed to be the most common cause [2]. Despite the high incidence of hepatitis A virus (HAV) infection in the pediatric population in general, there are few pediatric case reports in the literature about HAV-associated hemophagocytic syndrome [3]. We encountered 2 patients with HAV-associated hemophagocytic syndrome.
Excessive intravascular release of lysed cellular contents from damaged red blood cells (RBCs) in patients with sickle cell anemia (SCA) can activate the inflammasome, a multiprotein oligomer promoting maturation and secretion of pro-inflammatory cytokines, including interleukin 1-beta (IL-1b). We hypothesized that IL-1b blockade by canakinumab in patients with SCA would reduce markers of inflammation and clinical disease activity. In this randomized, double-blind, multi-center phase 2a study, patients aged 8-20 years old with SCA (HbSS or HbSb0thalassemia), history of acute pain episodes and elevated hsCRP >1.0 mg/L at screening were randomized 1:1 to received 6 monthly treatments with 300 mg s.c. canakinumab or placebo. Measured outcomes at baseline and weeks 4, 8, 12, 16, 20 and 24 included electronic patient-reported outcomes, hospitalization rate and adverse events (AEs) and serious AEs (SAEs). All but one of the 49 enrolled patients were receiving stable background hydroxyurea therapy. Although the primary objective (pre-specified reduction of pain) was not met, compared to placebo-arm patients, canakinumab-treated patients had reductions in markers of inflammation, occurrence of SCA-related AE and SAE, and number and duration of hospitalizations, as well as trends for improvement in pain intensity, fatigue and absences from school or work. Post-hoc analysis revealed treatment effects on weight, restricted to pediatric patients. Canakinumab was well tolerated with no treatment-related SAEs and no new safety signal. These findings demonstrate that the inflammation associated with SCA can be reduced by selective IL-1b blockade by canakinumab with potential for therapeutic benefits. This trial was registered at www.clinicaltrials.gov as NCT02961218.
Objective: Immune thrombocytopenia (ITP) is a rare autoimmune disease and hematologic disorder characterized by reduced platelet counts that can result in significant symptoms, such as bleeding, bruising, epistaxis, or petechiae. The thrombopoietin receptor agonist eltrombopag (EPAG) is a second-line agent used to treat chronic ITP purpura in adults and children. Materials and Methods: The present retrospective study evaluated the efficacy, safety, and side effects of EPAG treatment in pediatric patients with acute refractory and chronic immune thrombocytopenia, particularly focusing on iron-deficiency anemia. Amaç: İmmün trombositopeni (İTP) nadir otoimmün bir hastalık olup, platelet sayısındaki azalmaya bağlı olarak peteşi, ekimoz, epistaksis gibi kanama semptomları ile karakterizedir. Trombopoietin reseptör agonisti eltrombopag (EPAG), yetişkinlerde ve çocuklarda kronik immün trombositopeni tedavisinde kullanılan ikinci basamak bir ajandır. Gereç ve Yöntemler: Bu retrospektif çalışma, akut refrakter ve kronik immün trombositopenili çocuk hastalarda EPAG tedavisinin etkinliğini, güvenilirliğini, yan etkilerini özellikle de demir eksikliği anemisi gelişimini değerlendirmiştir.
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