What's the difference between amelioration and exacerbation?

Amelioration


Definition:

  • (n.) The act of ameliorating, or the state of being ameliorated; making or becoming better; improvement; melioration.

Example Sentences:

  • (1) There was prompt symptomatic relief and amelioration of signs of nephritis.
  • (2) One patient had amelioration of his symptoms, 5 experienced no change and in 5 their symptoms became worse.
  • (3) We infer from these results that endotoxin ameliorates the cyclical changes in blood cell counts by regulating hematopoietic proliferative activity at the stem cell level.
  • (4) Mild amelioration of sleep-wakefulness cycles and impulse and drive functions could be observed clinically in both groups.
  • (5) In the present experiment, cholinergic-rich grafts implanted into either the neocortex or the hippocampus of aged rats are shown to reinnervate the host neocortex and hippocampus, respectively, and to provide a significant amelioration of the host animals' short-term memory impairments.
  • (6) over at least 3 days can ameliorate 5-fluorouracil (FUra) toxicity; to avoid Urd-induced phlebitis in the peripheral veins of patients, a central vein is used.
  • (7) In spite of technical improvements, there has been no persistent amelioration of results of coronary angioplasty over time.
  • (8) This finding suggests that intracerebral administration of neurotrophic factors may become a generally valuable approach when attempting to ameliorate age-related neuronal deficits in experimental animals and humans.
  • (9) Levothyroxine therapy lowered the monoiodotyrosine and diiodotyrosine levels, ameliorated all her endocrinopathies, started her periods, and shrank the goiter.
  • (10) These findings suggest that health professionals, particularly nurses, who work with families in their homes, must be alert and sensitive to cues and circumstances which could indicate suffering, and in so doing, take the necessary steps to ameliorate their situation.
  • (11) We conclude that the fall in PaO2 that occurs with acetate hemodialysis is due to decreased ventilation secondary to decreased VCO2 and that exercise can ameliorate the fall in PaO2 by increasing ventilation.
  • (12) Prophylactic treatment by intra-articular injections twice weekly for 4 weeks caused amelioration of canine cartilage erosions.
  • (13) As management of HIV infection becomes more proactive, early identification of persons at risk for PCP and initiation of preventive therapy will become more routine, and the clinical impact of P. carinii may be ameliorated.
  • (14) Ultimately, the ideal treatment for the AIDS patient with KS will be a combination of antiretroviral therapy to suppress further effects of HIV, biological therapy to reverse the immunologic defects, chemotherapy to control tumor development, and hematopoietic growth factors to ameliorate treatment toxicities.
  • (15) Large randomized trials now confirm that myelosuppression after intensive chemotherapy can be substantially ameliorated, reducing infections and decreasing hospital days, risks, and costs.
  • (16) Appropriate use of varicella zoster immunoglobulin to prevent or ameliorate maternal or perinatal infection depends on accurate identification of varicella-susceptible women.
  • (17) This letter-writer argues that the salient action of mood elevation is a result of the supplemental pyridoxine (vitamin B) which ameliorates the deficiency induced by oral contraceptive use that leads to depression resulting from inhibition of synthesis of biogenic amines in the central nervous system.
  • (18) A near-total thyroidectomy resulted in rapid amelioration of thyrotoxicosis.
  • (19) The purpose of this study was to examine the possibility that the graft-derived 5-HT hyperinnervation is governed by target-related effects present in the host neostriatum and the question of whether grafts rich in 5-HT cells can ameliorate the drug-induced motor asymmetry resulting from unilateral 6-OHDA lesions.
  • (20) In this article are considered the multiple instruments today employed in cars, in order to prevent or ameliorate the lesions caused to the occupants in case of road accident.

Exacerbation


Definition:

  • (n.) The act rendering more violent or bitter; the state of being exacerbated or intensified in violence or malignity; as, exacerbation of passion.
  • (n.) A periodical increase of violence in a disease, as in remittent or continious fever; an increased energy of diseased and painful action.

Example Sentences:

  • (1) Circuit weight training does not exacerbate resting or exercise blood pressure and may have beneficial effects.
  • (2) In patients with acute exacerbations of chronic obstructive pulmonary disease, although either sympathomimetic or anticholinergic therapy provides bronchodilatation, no further benefit could be demonstrated from combination therapy.
  • (3) We report a case of chronic recurrent polymyositis associated with increasing antibody titers of coxsackievirus A9 in serum during clinical exacerbations.
  • (4) The data indicate that activated helper T cells are required and sufficient to give rise to the inflammatory infiltrates that are characteristic of the inflammations and exacerbations in human rheumatoid arthritis.
  • (5) The development of renal insufficiency during enalapril therapy may be exacerbated by concomitant diuretic therapy and should raise the suspicion of underlying transplant renal-artery stenosis.
  • (6) A lysosomal membrane labilizer, vitamin A, exacerbated the cartilage pathology, whereas a stabilizer, cortisone, retarded it.
  • (7) The utility of a life charting approach is emphasized in delineating past and present course of illness, considering the relevance of cycling pattern and past treatment efficacy in selection of present pharmacological interventions, and helping to formulate a multifactorial concept of the interplay of biological and psychosocial factors in the evolution or exacerbation of mood disorders.
  • (8) Endotoxins in plasma were monitored during treatment in 18 patients hospitalised for acute exacerbation of Crohn's disease: systemic endotoxaemia was found on admission in all but one.
  • (9) Exacerbation of inflammation due to repeated traumatization of the oesophagus wall was accompanied by proliferation of the epithelial layers.
  • (10) Pyoderma gangrenosum is a poorly understood disease characterized by exacerbations and remissions of morphologically unique skin ulcers.
  • (11) A complex scheme of prophylaxis of exacerbation and progression of chronic bronchopulmonary diseases in children was developed.
  • (12) The clinical aspects with remission and exacerbation are discussed.
  • (13) We designed the present study to evaluate the efficacy and safety of cefaclor in the treatment of acute exacerbations of chronic bronchitis in cigarette smokers.
  • (14) It was demonstrated that neither enflurane nor halothane exacerbates a pre-existing susceptibility to seizure activity and that both these inhalation anaesthetics are suitable for cases suffering from cerebral convulsive disorders.
  • (15) We conclude that myoglobinuria, of a degree insufficient to cause renal failure itself, can interact with renal ischemia to significantly exacerbate the renal damage produced.
  • (16) These lymph node reactions could have likely been a part of the so called early exacerbation.
  • (17) Hyperglycemia exacerbates neurologic damage in clinical and experimental central nervous system ischemia.
  • (18) Anticoagulation may exacerbate possible tendencies for an ischemic infarction to become hemorrhagic.
  • (19) (4) Symptoms are exacerbated by a research ward that is disruptive to the community.
  • (20) This injury was exacerbated to grade 4 (p less than 0.05) following reperfusion but was almost completely healed 24 h later.

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