(v. t.) To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.
(v. t.) To be, or come, in the way of; to hinder from passing; to stop; to impede; to retard; as, the bar in the harbor obstructs the passage of ships; clouds obstruct the light of the sun; unwise rules obstruct legislation.
Example Sentences:
(1) We have previously shown that intratracheally instilled silica (quartz) produces both morphologic evidence of emphysema and small-airway changes, and functional evidence of airflow obstruction.
(2) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
(3) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
(4) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
(5) During the procedure, acute respiratory failure developed as a result of tracheal obstruction.
(6) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
(7) Delineation of the presence and anatomy of an obstructed, nonfunctioning upper-pole duplex system often requires multiple imaging techniques.
(8) Therefore, the measurement of the alpha-antitrypsin content plays the crucial part in differential diagnosis of primary (hereditary determined) and secondary (obstructive) emphysema.
(9) In 2 patients who had received cadaveric renal allograft, ureteral obstruction was detected six and one-half and five and one-half years after transplantation.
(10) Two cases are presented of bilateral ureteral obstruction and uremia due to pressure from nodes involved in disseminated lymphoma.
(11) The occurrence of episodes of desaturation during sleep in patients suffering from chronic airflow obstruction is well known.
(12) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
(13) Tubal obstruction could be demonstrated in only one of these patients.
(14) Schistosomal obstructive uropathy was studied by clinical, laboratory epidemiologic and pathologic analysis in 155 Egyptian patients treated surgically.
(15) For obstruction of greater than or equal to 50% of the pulmonary vascular cross-sectional area and pulmonary hypertension thrombolytic therapy should be given and insertion of an inferior caval filter can be considered.
(16) Regression of the tumor occurred during an episode of mechanical small bowel obstruction.
(17) Comparison with 99Tc-pyrophosphate uptake in infarcted dog heart, induced by selective obstruction of a coronary artery, suggest that the 111In-labelled F(ab')2 localizes specifically in infarcted myocardium only.
(18) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
(19) We recently treated a patient in whom HPVG was caused by intestinal pseudo-obstruction.
(20) 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.
Prevent
Definition:
(v. t.) To go before; to precede; hence, to go before as a guide; to direct.
(v. t.) To be beforehand with; to anticipate.
(v. t.) To intercept; to hinder; to frustrate; to stop; to thwart.
(v. i.) To come before the usual time.
Example Sentences:
(1) Down and up regulation by peptides may be useful for treatment of cough and prevention of aspiration pneumonia.
(2) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
(3) Parents of subjects at the experimental school were visited at home by a community health worker who provided individualized information on dental services and preventive strategies.
(4) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(5) The penetration of (22)Na was not prevented by the presence of metabolic inhibitors or by 500 mm NaCl in the suspending medium.
(6) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
(7) This decrease was prevented by DOCA, hydrocortisone and corticosterone.
(8) Elderly women need to follow the same strategies as postmenopausal women with more emphasis on prevention of falls.
(9) Treatment of the bound F1-ATPase with 4-chloro-7-nitrobenzofurazan prevented complete release of the enzyme by ATP.
(10) Results in May 89 emphasizes: the relevance and urgency of the prevention of AIDS in secondary schools; the importance of the institutional aspect for the continuity of the project; the involvement of the pupils and the trainers for the processus; the feasibility of an intervention using only local resources.
(11) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
(12) Defibrotide prevents the dramatic fall of creatine phosphokinase activity in the ischemic ventricle: metabolic changes which reflect changes in the cells affected by prolonged ischemia.
(13) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
(14) This was carried out on the healthy subjects for a total of 12 nights without medication (control nights asleep), a total of 12 nights following 40 mg of flucortolone the previous morning, and a total of 6 nights with similar blood sampling when sleep was prevented (control nights awake).
(15) He also deals with the incidence, conservative and surgical treatment of osteo-arthrosis in old age and with the possibilities of its prevention.
(16) Possibilities to achieve this both in the curative and the preventive field are restricted mainly due to the insufficient knowledge of their etiopathogenesis.
(17) Current status of prognosis in clinical, experimental and prophylactic medicine is delineated with formulation of the purposes and feasibility of therapeutic and preventive realization of the disease onset and run prediction.
(18) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
(19) Communicating sustainability is a subtle attempt at doing good Read more And yet, in environmental terms it is infinitely preferable to prevent waste altogether, rather than recycle it.
(20) From the social economic point of view nosocomial infections represent a very important cost factor, which could be reduced to great deal by activities for prevention of nosocomial infection.