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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 9 (2003), S. 0 
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Von Willebrand disease (vWD) is the most common bleeding disorder, and usually presents with either easy bruising or mucus membrane bleeding. Many patients are also diagnosed as a result of abnormal pre-operative laboratory tests. In this report, we describe two patients presenting with painless, persistent urethral bleeding as their initial manifestation of vWD. The first patient began bleeding after a Foley catheter was placed during a hospital admission for status epilepticus. A urologic examination demonstrated a wound in the posterior urethra. Despite repeated attempts at controlling the bleeding with cautery, the bleeding persisted. The second patient presented with spontaneous urethral bleeding and a normal urologic examination. Due to persistent bleeding, both patients underwent a coagulation evaluation that demonstrated the presence of type 1 vWD. The first patient had resolution of his bleeding following 5 weeks of Alphanate, a von Willebrand factor containing factor VIII concentrate, and aminocaproic acid. The second patient initially responded to desmopressin, but subsequently required Humate-P to achieve complete resolution. These cases illustrate the importance of an evaluation for bleeding disorders in patients with persistent bleeding from any site.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 11 (2005), S. 0 
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Joint haemorrhage and subsequent haemophilic arthropathy are significant complications in haemophilia. The pathophysiology involves inflammation and angiogenesis. Cyclooxygenase-2 (COX-2) inhibitors are anti-inflammatory agents, which have potent anti-inflammatory, anti-angiogenic and analgesic properties yet do not affect platelet function in the manner of traditional non-steroidal anti-inflammatory drugs. These properties make such agents potentially useful as adjunctive therapy in haemophilia. There is only one prior report describing rofecoxib treatment in a single haemophilia patient. Our objectives were to determine the safety and efficacy of rofecoxib in treating acute haemarthrosis, chronic synovitis, target joints and pain. We conducted a retrospective medical record review of patients treated with rofecoxib for acute haemarthrosis, chronic synovitis, target joint or pain. The safety and efficacy of rofecoxib treatment were determined based on subjective patient reports and physical examinations during follow-up clinic visits. A total of 28 patients between 3 and 37 years of age were treated for a total of 42 courses of rofecoxib treatment. All courses were evaluated for safety and 31 for efficacy. Rofecoxib was used for eight acute haemarthrosis, four target joints, seven cases of synovitis and 12 episodes of pain. Efficacy was demonstrated particularly for chronic synovitis and pain and no serious adverse events occurred. This is the largest study to date evaluating COX-2 inhibitors as adjunctive therapy in haemophilia and suggests that these agents may be an important adjunctive therapy in the management of haemophilia.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 11 (2005), S. 0 
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Prevention of bleeding, especially into joints, with prophylactic factor infusions is the most effective treatment for severe haemophilia patients. Approximately 15–30% of patients with factor VIII deficiency and 3–5% of patients with factor IX deficiency develop neutralizing antibodies (inhibitors) to factor precluding their use. Such patients often have significant bleeding complications including life- and limb-threatening bleeds and severe joint disease. Prophylaxis for such patients is not generally considered because of the fact that the standard (bypassing) agents for such patients are not as effective as natural factor replacement, because of concerns for thrombotic complications and also because of the very high cost of bypassing agents. We treated two patients with high titre inhibitors with prophylactic recombinant factor VIIa (rFVIIa). The first patient was treated as a result of development of a target joint and to reduce the use of agents that can lead to anamnesis of his inhibitor. The second patient had multiple severe bleeds and was hospitalized 20% of the time over a 2-year period. He had a very poor quality of life. Both patients had shown good responses previously to rFVIIa for treatment of bleeds. Both patients had an outstanding response to prophylaxis albeit at a very high cost. Prophylaxis with rFVIIa can be an effective approach in select inhibitor patients with severe complications related to bleeding.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Patients with haemophilia and inhibitors have bleeding episodes that can be refractory to home therapy with either activated prothrombin complex concentrate (APCC) or recombinant factor VIIa (rFVIIa). Sequential therapy with these products has not been widely used because of concern regarding the possibility of thrombosis. This report describes the results of a retrospective chart review of five hospitalized children with severe haemophilia and inhibitors who have been treated with sequential doses of APCC and rFVIIa for refractory bleeding. These patients all had failed home therapy with APCC and rFVIIa alone. A total of 20 admissions were documented covering 170 hospital days, including 91 days of combination therapy. While being closely monitored in the hospital, they received alternating doses of APCC and rFVIIa every 6 h. Anywhere from one to three doses of rFVIIa were given every 2 h between APCC doses. Doses of APCC ranged from 35 to 80 U kg−1 dose−1, and doses of rFVIIa ranged from 80 to 225 mcg kg−1 dose−1. There was no clinical or laboratory evidence of thrombosis, thrombocytopenia, or disseminated intravascular coagulation (DIC). We found the combination of these factors to be safe and effective for patients with refractory bleeds. However, we recommend this aggressive therapy only in the inpatient setting with careful monitoring of the physical examination and frequent laboratory screening to assess for thrombosis and DIC, and without the concurrent use of antifibrinolytic medications.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 714 (1994), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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