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  • Mild hypertension  (2)
  • Calciphylaxis  (1)
  • Callus (desiccation tolerance)  (1)
  • Craterostigma  (1)
  • 1
    Keywords: skin grafting ; Calciphylaxis ; Phenprocoumon ; Natriumthiosulphate ; Buried Chip skin grafting
    Abstract: BACKGROUND: Calciphylaxis (calcific uremic arteriolopathy) is rare and its pathogenesis is not fully understood. Indeed, Calciphylaxis presents a challenge through the course of its management which involve different specialities but unfortunately this disease so far has a poor prognosis. We herein present, in this case report, a multidisciplinary approach involving plastic surgeons with special regards to reconstructive approach after debridement procedures. CASE PRESENTATION: We present a 21 years old male with a BMI of 38,2, who was transferred to our department from another hospital. Calciphylaxis has been diagnosed after receiving anticoagulation with phenprocoumon after a single event of pulmonary embolism. The INR on admission was 1,79. He had necrotic spots on both sides of the abdominal wall and on both thighs medially. During this time he underwent several reconstructive procedures in our department. CONCLUSION: It can be suggested that this agonizing disease needs indeed a multidisciplinary approach involving Nephrologists, Dermatologists, Intensive Care Physicians and Plastic Surgeons, taking into consideration that surgical correction can achieve further improvement in a specialized centre. Notwithstanding, further cohort studies should be approached clinically to insight the light on this disease with special regard to the prognosis after this approach.
    Type of Publication: Journal article published
    PubMed ID: 23311951
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  • 2
    ISSN: 1432-1246
    Keywords: Working ability ; Mild hypertension ; Atenolol ; Nifedipine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A randomized cross-over trial was undertaken on 21 occupationally active persons who had a stable mild or moderate hypertension with the purpose of comparing the effect of a beta-adreno-receptor blocking agent (atenolol) with that of a calcium channel inhibitor (nifedipine). The doses recommended by the manufactures were used. Atenolol (100 mg) given once a day resulted in a marked hypotensive effect at rest as well as during exercise, the compliance was satisfactory, and the hemodynamic changes were not reflected in unfavourable side effects during muscular exercise or in the subjects own personal assessment of fatigue during the exercise tests which ranged in energy expenditure from about three to six times the resting level. However, unfavourable, modest side effects occurred in two subjects during atenolol medication to the extent that they wanted to terminate the study. Nifedipine therapy with doses of 10 mg, three times a day, resulted in a modest, but statistically insignificant reduction in arterial blood pressure, which contrasts with previous published results. It is suggested that the modest effect is caused or related to the poor compliance and a daily dose that was quantitatively too small. No unfavourable side effects were seen during muscular efforts when the subjects were on nifedipine medication.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1246
    Keywords: Mild hypertension ; Working ability ; Atenolol ; Prazosin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The treatments of mild hypertension with atenolol and prazosin in occupationally active men and women were compared in a double blind cross-over with placebo. The hypotensive effect of the beta-adreno-receptor blocking drug, atenolol, were striking and in accordance with current knowledge, using one daily dose of 100 mg. In contrast, the hypotensive effect of taking 2 mg prazosin twice a day was modest, averaging about 3% when compared with placebo, somewhat less but still detectable during the performance of muscular exercises. Atenolol medication significantly reduced heart rate and blood pressure responses to muscular exercises, covering a range of work loads experienced during ordinary working days. No increased feeling of muscular fatigue or other discomfort during muscular work compared to that on prazosin and placebo medication could be detected. It was therefore concluded that atenolol medication was a useful treatment of mild hypertension and did not reduce the normal working ability and exercise tolerance. Prazosin medication did not significantly change working ability and exercise tolerance.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2048
    Keywords: Abscisic acid (desiccation tolerance) ; Callus (desiccation tolerance) ; Craterostigma ; Desiccation tolerance (protein, RNA induction) ; Resurrection plant RNA induction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Leaves of the resurrection plant Craterostigma plantagineum Hochst, can be desiccated up to 1% relative water content and are still viable after rehydration. To clone genes related to this extreme desiccation tolerance, an in-vitro system was first developed which allows the induction of the same resurrection response in callus tissue upon treatment with abscisic acid (ABA). Several proteins and in-vitro-synthesized polypeptides were then identified which can be induced both in desiccation-tolerant, naturally dried leaves and in ABA-treated calli surviving after rehydration. Complementary-DNA clones corresponding to mRNAs expressed only in desiccation-tolerant tissues were obtained and classified into several gene families. In hybrid-selected translation experiments, representative cDNA clones were associated with water stress and ABA-inducible polypeptides abundantly expressed in dried leaves and ABA-treated calli. The expression pattern of several of these abundant transcripts was analyzed in RNA-hybridization experiments. Upon stress or ABA treatment the transcription levels increased rapidly, but they declined after relief from the stress state. This, together with data on genomic copy numbers indicated that a set of abundantly expressed genes are involved in the desiccation process of resurrection plants. Data on endogenous ABA contents before and after stress applications and on the physiological effects of exogenous ABA treatments indicate that in Craterostigma plantagineum the induction of an extreme desiccation tolerance is mediated by this plant hormone.
    Type of Medium: Electronic Resource
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