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  • 1
    Electronic Resource
    Electronic Resource
    Milder clinical presentation of haemophilia A with severe deficiency of factor VIII as measured by one-stage assay (2001)
    Oxford UK : Blackwell Science Ltd
    Haemophilia 7 (2001), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: During the course of investigations we encountered 11 patients with haemophilia A who had severe factor VIII deficiency as measured by one-stage assay but had surprisingly mild clinical presentation. Four of these patients had either a brother, nephew or maternal uncle with severe clinical manifestations. Two patients had low protein S levels, and one was heterozygous for the factor V Leiden mutation. One patient had a combined deficiency of protein C and antithrombin III. Four patients had a two-stage factor VIII assay value that was much higher than the one-stage assay value. Five patients were heterozygous for the MTHFR gene C677T polymorphism, of whom two patients were also deficient for protein S and one had two-stage factor assay values higher than the one-stage assay values. The patient who was both factor VIII deficient and heterozygous for factor V Leiden had mild clinical presentation as compared to his maternal uncle who was only factor-VIII deficient. The maternal cousin of the same patient was heterozygous for factor V Leiden and had suffered two thrombotic episodes. Thus, the present study advocates that the physiological inhibitors of blood coagulation also play an important role in cases of haemophilia A in the final outcome of haemostasis in vivo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2516.2001.00455.x
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  • 2
    Electronic Resource
    Electronic Resource
    Role of epsilon amino caproic acid in the management of haemophilic patients with inhibitors (2004)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 10 (2004), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  We managed bleeding crisis in 10 consecutive severe haemophilic patients with inhibitors (eight had an inhibitor level of 〉5 BU mL−1) mainly with the antifibrinolytic agent, i.e. epsilon amino caproic acid (EACA). EACA was used by local, oral or intravenous routes either in combination or separately. Five patients developed inhibitors postoperatively and among the remaining five, four had recurrent haemarthrosis or soft tissue bleeds and one patient presented with severe gastrointestinal bleeding without demonstrable lesion. In all the patients, addition of EACA to their management protocol resulted in stoppage and/or reduced frequency of bleeding. In six of 10 patients, the results were excellent; of these six patients, five developed inhibitors postoperatively. Although a reduction in the frequency of bleeding was observed in patients with haemarthrosis and soft tissue bleed, it was not spectacular and the patients required additional therapy. Hence the results could be described as poor. No patient needed to stop the medicine because of the side-effect of EACA. Symptoms like mild nausea and vertigo were seen as the side-effects of this medicine when high intravenous dosage was administered. EACA thus appears to be an excellent adjuvant therapy for haemophilic patients with inhibitors. Besides its well-recognized antifibrinolytic activity, EACA may have additional mechanisms of action in haemophilic patients with inhibitors . More extensive use of this cheap and safe product is warranted in haemophilic patients with inhibitors. If larger studies confirm this observation, then using antifibrinolytics will allow substantial reduction of FEIBA or activated prothrombin complex (APCC) usage in such patients without necessarily increasing the thrombotic complications or reduction of the clinical efficacy, when compared with higher dosage of FEIBA or APCC alone. This will lead to substantial financial savings in countries where up to 35% of severe haemophilia A patients develop inhibitors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1351-8216.2003.00839.x
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  • 3
    Electronic Resource
    Electronic Resource
    Genomic interaction in haemophilia: uncharted territory (2002)
    Oxford UK : Blackwell Science Ltd
    Haemophilia 8 (2002), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2002.00586.x
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  • 4
    Electronic Resource
    Electronic Resource
    Inherited haemostatic disorders in idiopathic menorrhagia: Do the special interest of a hemostatic laboratory make a difference? (2003)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 9 (2003), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2003.00798.x
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  • 5
    Electronic Resource
    Electronic Resource
    Haemorrhage in upper cervical cord: an unusual manifestation in moderate haemophilia patients who ride motorbikes (2001)
    Oxford UK : Blackwell Science Ltd
    Haemophilia 7 (2001), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A young asymptomatic patient, with moderate haemophilia due to factor IX deficiency, developed symptoms of upper cord compression caused by a haemorrhage 12 hours after riding a motorcycle on a poorly maintained road. This led to quadriparesis with respiratory paralysis. In spite of neurosurgical intervention and intensive management with respirator therapy, the patient died 13 days after the incident from pneumonia and multi-organ failure. This is a very rare presentation of moderate haemophilia with serious consequences and has not to our knowledge, previously been reported in the English literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2001.00550.x
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  • 6
    Electronic Resource
    Electronic Resource
    Intracranial haemorrhage in severe haemophilia: prevalence and outcome in a developing country (2005)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 11 (2005), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Intracranial haemorrhage (ICH) is a common cause of morbidity and mortality in haemophilic patients all over the world. From 1995 to 2004, we have investigated 37 patients with 43 episodes of ICH at our Comprehensive Haemophilia Care Center from a total of 600 registered patients. Diagnosis of ICH in the patients was confirmed by clinical, haematological and computed tomographic imaging data. Three patients died despite replacement therapy while one child who had a ventriculo-atrial shunt for acute hydrocephalus also died before further intervention. One of the four patients who died also had severe aplastic anaemia for 6 years in addition to severe haemophilia. Detailed history obtained from 143 families with haemophilia attending the Genetic Diagnosis Clinic at our Center showed a positive history of cerebral bleed in 39 episodes in 37 patients. Sixteen families gave a history of death in the family of haemophilic patients due to ICH, while in the remaining 21 families, the patients had survived the episode after treatment elsewhere. However, the ICH was not confirmed by image data in these cases. The treatment protocols were also not available in these cases. Conservative factor replacement therapy 100% correction for 3 days followed by 50–60% correction for 7 days) coupled with the epsilon amino caproic acid, the antifibrinolytic agent at least for 30 days led to a mortality (10.8%) similar to that of the western countries and almost no morbidity. Surgery was not required in any of these patients except in one elderly patient with HIV infection on antiretroviral therapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2516.2005.01134.x
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  • 7
    Electronic Resource
    Electronic Resource
    Carrier detection and prenatal diagnosis in haemophilia in India: realities and challenges (2002)
    Oxford UK : Blackwell Science Ltd.
    Haemophilia 8 (2002), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Organizing services for haemophilia in developing countries with few resources is a formidable task. There is wide variation in haemophilia care and management between developing and developed countries. The management of a genetic disorder such as haemophilia becomes difficult in developing countries where scanty resources are allocated mainly to nutrition and infectious diseases as a first priority. In a country such as India, with one billion people and with a wide diversity in cultural, educational and financial conditions, educating people about such diseases is difficult and will take a long time to have an effect on attitudes. Meanwhile, attempts are being made at several centres in India to develop carrier detection and prenatal diagnosis for this disease. Counselling a carrier for detection of her carrier status remains problematic in India because marriages are still largely arranged by the parents of prospective brides and bridegrooms. Hence, the very idea of communicating the carrier status to the bridegrooms' families may lead to cancellation of the marriages, and concealing the carrier status is associated with guilt both for the bride's parents as well as the bride. Prenatal diagnosis and carrier detection in India therefore must be discussed in this context.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2002.00576.x
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  • 8
    Electronic Resource
    Electronic Resource
    ELISA for factor VIII antibodies: does it detect antibodies much before the conventional Bethesda assay? (2003)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 9 (2003), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2003.00810.x
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  • 9
    Electronic Resource
    Electronic Resource
    First-time development of FVIII inhibitor in haemophilia patients during the postoperative period (2002)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 8 (2002), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Development of inhibitor to FVIII in haemophilia patients is well-known and is not uncommon. However, their development for the first time during the postoperative period has hardly been reported. In a developing country such as India, where resources are limited, development of such an eventuality may prove disastrous. However, as many of our patients are sparingly treated, therefore, even if they test negative for the inhibitor preoperatively, they may get the requisite FVIII antigenic stimulation during the preoperative and immediate postoperative period, leading to the development of inhibitors during this critical time of wound healing. We describe here six patients who developed such an inhibitor, from a group of 35 patients with haemophilia A who underwent various surgical procedures (19%). We stress that such an eventuality may not remain rare in developing countries as more patients of severe haemophilia undergo surgery and are therefore challenged for the first time in their life with large amounts of FVIII concentrate during their preoperative period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2002.00687.x
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  • 10
    Electronic Resource
    Electronic Resource
    Development of inhibitors in patients with haemophilia from India (2001)
    Oxford UK : Blackwell Science Ltd
    Haemophilia 7 (2001), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Four hundred and seven patients (352 haemophilia A and 55 haemophilia B) were investigated for the presence of factor VIII and IX inhibitors. Twenty-four out of 292 severe and two out of 36 moderate haemophilia A patients showed the presence of inhibitors. The mean age at development of inhibitors was 17.7 years (range 6–52 years). In 12 patients the inhibitors were detected due to suboptimal response to factor replacement therapy (symptomatic) and in the remaining 14 patients the inhibitors were detected during the routine screening of the patients’ samples for inhibitors. They had, however, responded well to the usual doses of factor concentrates and there was no suspicion in these patients that they had developed an inhibitor (asymptomatic). There were two families in which the inhibitors were detected in more than one family member. The level of inhibitors in symptomatic patients ranged from 2.2 Bethesda units (BU) mL–1 to 460.6 BU mL–1, and in asymptomatic patients it ranged from 0.8 BU mL–1 to 3.2 BU mL–1. The inhibitors persisted in all patients except one, who developed an inhibitor postoperatively for a brief period of 3 months. All these patients were followed up from first factor exposure and were tested for inhibitors at least twice a year. The mean number of exposure days before they developed inhibitors was 47.5 exposure days (range 17–98 exposure days). No inhibitors appeared after more than 100 exposure days in any of the patients. When 50 consecutive patients were investigated for intron 22 inversions of the factor VIII gene, 17 patients were found to be positive for inversions (10 proximal inversion; seven distal inversion) out of whom four patients developed inhibitors, three patients belonging to the same family. Out of 35 haemophilia B patients, only one patient developed an inhibitor. The overall prevalence of inhibitors was thus 8.2%, which is similar to the reports from western countries, prior to the introduction of highly purified factor concentrate therapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2516.2001.00505.x
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