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1.
Therapy for hepatic fibrosis 总被引:6,自引:0,他引:6
Although there is no established therapy for the fibrogenesis of hepatic cirrhosis, many potential therapies are now emerging. The requirements for the "perfect therapy" for hepatic fibrosis can be listed: (1) the pharmacologic agent should be active only in the liver; (2) its effect should be specific for collagen (or another critical extracellular matrix component); and (3) it should not be toxic. To date no agents fulfill these criteria. Of the agents we reviewed, only colchicine appears sufficiently safe for use outside of controlled clinical trials for cirrhotic patients whose underlying disease is not otherwise treatable. However, confirmation of the efficacy of colchicine in additional well-controlled clinical trials is still required. Agents such as collagen propeptides require extensive in vitro development, while trials in animal models are required for prolyl 4-hydroxylase inhibitors, proline analogues, and prostaglandins. For more developed agents, such as malotilate and gamma-interferon, there is now a need for well-designed long-term clinical trials. 相似文献
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Michelle M Kett Warwick P Anderson John F Bertram Daine Alcorn 《Clinical and experimental pharmacology & physiology》1996,23(Z3):132-135
- 1 There is strong evidence for a renal basis to the development of hypertension in the spontaneously hypertensive rat (SHR). Alterations of the SHR renal vasculature, including the glomerulus, may be involved in the initiation and maintenance of hypertension in this animal model.
- 2 The arterial walls of pre-glomerular vessels of the SHR are hypertrophied compared with WKY vessels. Unlike other vascular beds in the SHR, this hypertrophy is independent of angiotensin II (AngII).
- 3 Glomerular number and volume are similar between SHR and the normotensive Wistar-Kyoto (WKY) rats. These results provide no support for the theory that a reduced filtration surface area within the kidneys of the SHR contributes to the elevated blood pressure in these animals.
- 4 Intrarenal hypertrophy may have similar haemodynamic consequences to clipping of the main renal artery, as in Goldblatt hypertension. Further analysis of the role of pre-glomerular arterial hypertrophy is warranted to determine its involvement in the initiation and maintenance of hypertension in the SHR.
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Federico G Velez Neepa Thacker Michelle T Britt Deborah Alcorn R Scott Foster Arthur L Rosenbaum 《Journal of AAPOS》2004,8(5):473-480
INTRODUCTION: Surgical treatment of third nerve palsy, sensory exotropia and strabismus secondary to anomalous innervation of the rectus muscles, frequently require large rectus muscle recessions in an attempt to maintain alignment in the primary position and reduce the effects of misinnervation. The aim of this study was to describe and evaluate the results of inactivation of a rectus muscle by its attachment to the adjacent orbital wall. METHODS: Seven subjects diagnosed with third-nerve palsy (three cases), Duane syndrome (two cases), sensory exotropia (one case), and congenital aberrant innervation of vertical rectus muscles (one case) underwent rectus muscle inactivation by orbital wall fixation. The rectus muscle was disinserted from the globe and reattached to the adjacent orbital periosteum using non-absorbable sutures. This surgery was performed on the lateral rectus muscle in six subjects, and surgery was performed on both ipsilateral vertical rectus muscles in one. RESULTS: Postoperatively four of six patients were aligned within 12 prism diopters of orthotropia in primary position. All patients had improvement of the anomalous head posture. In Duane syndrome, lateral rectus inactivation markedly reduced co-contraction and globe retraction. No overcorrections resulted. CONCLUSION: A rectus muscle may be functionally inactivated when its insertion is attached to the orbital periosteum. Advantages of this procedure over extirpation and free tenotomy include permanent disinsertion of the muscle from globe and reversibility. 相似文献
5.
David Kim M.S. Ashley Wysong M.D. M.S. Jennifer Lai M.D. Deborah M. Alcorn M.D. Latanya T. Benjamin M.D. 《Pediatric dermatology》2014,31(1):80-82
Abstract: We describe a case of an 8‐year‐old girl with large irregular café au lait macules on the right cheek and right lower extremity presenting with sudden onset vision loss and found to have polyostotic fibrous dysplasia on imaging. The classic triad of McCune–Albright syndrome is discussed along with the importance of recognition in patients with partial presentation. This case also highlights a rare and potentially devastating neurologic complication of McCune–Albright syndrome, as well as the need for early diagnosis and continual surveillance in these patients. 相似文献
6.
Haematological reconstitution following high dose and supralethal chemo-radiotherapy using stored, non-cryopreserved autologous bone marrow 总被引:2,自引:0,他引:2
A. K. Burnett P. Tansey C. Hills M. J. Alcorn T. Sheehan G. A. McDonald S. W. Banham 《British journal of haematology》1983,54(2):309-316
S ummary . Eighteen patients with small cell carcinoma of the lung received high dose cyclophosphamide (180–200 mg/kg) intensification following five pulses of 'CHOP' chemotherapy (cyclophosphamide 750 mg/m2 i.v., adriamycin 50 mg/m2 i.v., vincristine 1·4 mg/m2 i.v., prednisolone 40 mg orally for 5 d). They received infusions of autologous bone marrow which had been stored at 4°C for 34 h. Pancytopenia was predictable in onset and its duration acceptable. Recovery of neutrophils to greater than 1·0 × 109 /l was achieved in 17·5 ± 0·9 d (mean ± SEM) and platelets to greater than 100 × 109 /l in 17·5 ± 0·8 d. Four patients with acute myeloid leukaemia in complete remission received intensification with the supralethal combination of cyclophosphamide and total body irradiation followed by infusion of autologous marrow which had been stored at 4°C for 54 h. Haematological reconstitution in these patients was acceptable but slower (greater than 1·0 × 109 /l neutrophils between days 26 and 40; greater than 20 × 109 /l platelets between days 23 and 77). Except in one case, normal peripheral counts were attained in all patients.
It is concluded that bone marrow stored at 4°C for up to 54 h is a simple and practical source of viable stem cells which have the capacity for acceptable haematological reconstitution. 相似文献
It is concluded that bone marrow stored at 4°C for up to 54 h is a simple and practical source of viable stem cells which have the capacity for acceptable haematological reconstitution. 相似文献
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Non‐muscle invasive bladder cancer and bacillus Calmette‐Guerin treatment: a review of the literature
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Jason Alcorn BSc MSc Rob L Burton RNLD BSc Cert.Ed M.Ed Ed.D Annie Topping RN PhD PGCE BSc 《International Journal of Urological Nursing》2015,9(2):57-68
Bladder cancer is the second most common urological cancer in the UK, with over 10 000 cases diagnosed annually. With 80% of urothelial bladder cancers being non‐muscle invasive, it is important to understand the treatments available. This review aims to identify and review the literature regarding bacillus Calmette‐Guerin (BCG) treatment. An integrative‐based review was conducted to generate a broad overview of the existing knowledge for BCG treatment. An open search of online databases was conducted to identify articles published in English from the earliest date available to September 2013, using key terms related to BCG. A significant number of articles were identified. To narrow the results and identify the most relevant articles, the search terms were cross‐referenced. The resulting articles were then reviewed using the critical appraisal skills programme framework. The tools provided by CASP give a systematic, transparent and rigorous approach to the quality assessment of research studies. The research articles were then categorized under the following headings: side effects, including local, systemic and age; quality of life; and attrition. The major conclusion from this literature review is that BCG treatment, when given through an induction and maintenance regime, significantly reduces the risk of progression and recurrence. However, there are potential side effects which the patient and the nurse need to be aware. This review also highlighted that there is a lack of research from the UK and that there is a paucity of research showing why patients withdraw from BCG treatment 相似文献
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