(v. t.) To make necessary or indispensable; to render unaviolable.
(v. t.) To reduce to the necessity of; to force; to compel.
Example Sentences:
(1) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
(2) There were two postoperative stomal prolapses, one of which necessitated reoperation.
(3) Since the early 1960's nasotracheal tubes have been used for neonates with primary respiratory diseases which necessitated positive pressure ventilation.
(4) The presence of vital and sensitive organs such as the spinal cord, heart, and lungs makes curative radiotherapy of non-small cell lung cancer difficult to implement and necessitates use of oblique portals.
(5) An epidemiological survey carried out in 460 public and private institutions chosen at random country-wide in France made it possible to study injuries whose treatment had necessitated an anaesthetic.
(6) Judging from available clinical studies, surgical fusion operations may be useful in properly selected patients with spondylolisthesis or in situations for which the surgical approach has necessitated destabilization by laminectomy and facetectomy.
(7) Side effects of carbenoxolone therapy were observed, but they did not necessitate withdrawal of the drug and were readily controlled in every instance.
(8) The presence of severe pulmonary disease is the critical factor that might necessitate a staged repair.
(9) The influence of preanalytical factors such as food intake, posture, use of tourniquet and freezing and storing samples is great and necessitates standardisation of specimen collection.
(10) In the others, serum PTH remained elevated and subsequent symptomatic hypercalcaemia necessitated parathyroidectomy.
(11) Shaping and fine working of restorations necessitated by cervical lesions, abrasions at the necks of teeth, or root surface caries can often be arduous to complete.
(12) The surgical removal of branchiomeric paragangliomas necessitates preparation of a small saphenous vein bypass in case it is not possible to avoid sacrificing the internal carotid artery.
(13) Two patients had mild pancreatitis, which necessitated endoscopic sphincterotomy in one.
(14) Reoperation was more frequent after valve replacement with bioprostheses (6.7% per patient year) than after valvuloplasty (4.3% per patient year) and after mechanical valve replacement (1.5% per patient year; P less than 0.02), and was necessitated mainly by residual or recurrent valve dysfunction after valvuloplasty, bland or infected periprosthetic leaks in mechanical valves and degradation of bioprostheses.
(15) Estimation of pairwise connectivity is the most common method of determining the neural 'network' but usually necessitates the production of numerous histograms for each pair considered.
(16) These lesions might necessitate further surgical treatment as possibly total joint prosthesis.
(17) The diagnostic criteria of potentially fatal asthma included at least one of the following four potentially fatal asthma events: 1) mechanical ventilation for respiratory arrest or failure, 2) acute respiratory acidosis that did not necessitate mechanical ventilation, 3) two episodes of acute pneumomediastinum or pneumothorax associated with status asthmaticus, 4) two or more hospitalizations for status asthmaticus in spite of long term oral corticosteroids.
(18) The recent discovery of the existence of a second mouse TSP gene necessitates careful examination of the discrete biochemical and functional properties associated with each molecule.
(19) Thirteen cases were considered medical treatment failures, and 11 necessitated therapeutic surgery.
(20) The classic scoliosis was resistant to brace treatment; bracing failed in 70% of patients, necessitating spinal fusion.
Necessity
Definition:
(n.) The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.
(n.) The condition of being needy or necessitous; pressing need; indigence; want.
(n.) That which is necessary; a necessary; a requisite; something indispensable; -- often in the plural.
(n.) That which makes an act or an event unavoidable; irresistible force; overruling power; compulsion, physical or moral; fate; fatality.
(n.) The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
Example Sentences:
(1) The indication of the DNA probe method would be considered in the four cases as follows, 1. necessity of the special equipment to isolate the pathogen, 2. necessity of the long period to isolate the pathogen, 3. existence of the cross reaction among the pathogen and relative organisms in the immunological procedure, 4. existence of the difficulty to identify the species of the pathogen by the ordinary procedure.
(2) Among 159 patients studied, the severity most frequent was Yahr stage 3 (63%) at first examination, indicating the necessity of earlier diagnosis.
(3) When a product is selected for a patient, consideration should be given to necessity, efficacy, adverse effects, and cost-effectiveness.
(4) Discussion deals with the plurality, specificity, variability, perceived necessity, sufficiency, international utility and career significance of British postgraduate qualifications.
(5) As a result of recent environmental changes in the health care industry, marketing has become a vital necessity for the survival of most hospitals.
(6) There is a necessity for early definitive decision-making in the borderline orthognathic surgery patient and the role of orthodontic camouflage is pointed out.
(7) For Kohut, interpretation depends on the prior establishment of a stable, sustaining transference; human connexion is a lifelong necessity and full understanding an achievable aim.
(8) Management and treatment issues are surveyed, such as the necessity to recognize that in some adolescents violence erupts not from narcissitic rage but from strong wishes for affectionate contact.
(9) A prospective study of the necessity of sedation, or analgesia, or both in total colonoscopy was performed.
(10) The authors report on the casuistry of aorto-coronary by-pass operations they performed between April 1971 and December 1974, discussing the criteria which indicate the necessity of operating, the principles of the operative techniques, and the results obtained.
(11) This case, despite the fatal outcome, emphasises the necessity for a comprehensive approach to the diagnosis of atypical pneumonia, including culture for Legionella, especially in immunocompromised patients.
(12) The sonographic method, with a 97.7% specificity and a negative predictive value of 89.5%, proved to be specific enough to eliminate the necessity of routine catheterization for measuring residual bladder volumes of greater than or equal to 150 cm3, thus decreasing the incidence of some major postoperative complications that can occur due to unnecessary catheterization.
(13) The development of gallstones following this procedure, however, has become more problematic in that further opeation becomes a real necessity.
(14) The necessity of using immunohistochemistry in the diagnosis of sinonasal tumours of fibromatous nature is emphasized.
(15) The experience with 1896 restorative operations on injured nerve trunks shows a necessity to consider the problems of diagnosis, prognosis and choice of the treatment, and especially the results of the nerve suture, not in all patients with nerve injury but only in separate groups being comparable with respect to the kind and severity of the trauma.
(16) Clinico-immunological studies on the use of drugs containing synthetic and biological polymers revealed their high immunomodulating activity and necessity of differentiated use of these drugs with relation to the pathogenetic mechanisms of development of bronchopulmonary diseases as well as mechanisms of their immunological action determined by the molecular mass of polymers as constituents of blood substitutes.
(17) We consider that the rarity of stricture rules out the necessity of any change in management, whether or not erosive oesophagitis is observed at endoscopy.
(18) The discrepancy between the judgement of the insurance company based upon the medical records and the patients complaints also 4-7 years after injury as well as the diversification of therapeutical procedures used in the long term patients career are indicating a necessity of prospective study on cervical spine injury.
(19) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
(20) In light of the AIDS epidemic and the necessity for safe-sex practices, the topic of caution and prevention is an emerging and critical discourse for the sexual encounter.