What's the difference between catheter and drug?

Catheter


Definition:

  • (n.) The name of various instruments for passing along mucous canals, esp. applied to a tubular instrument to be introduced into the bladder through the urethra to draw off the urine.

Example Sentences:

  • (1) The catheter must be meticulously fixed to the skin to avoid its movement.
  • (2) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
  • (3) A new balloon catheter has been developed for angioplasty.
  • (4) Using mini-pigs with an indwelling vascular catheter, the pharmacokinetics of chloramphenicol were investigated in healthy and liver-damaged animals.
  • (5) Then the esophagogastric variceal network was thrombosed by means of a catheter introduced during laparotomy, which created a portoazygos disconnection.
  • (6) A quadripolar catheter was positioned either at the site of earliest ventricular activation during induced monomorphic ventricular tachycardia or at circumscribed areas of the left ventricle.
  • (7) External phonocardiography performed at the time of cardiac catheterization revealed that this loud midsystolic click disappeared whenever a catheter was positioned across the mitral valve.
  • (8) 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.
  • (9) After 1 year, anesthesia was induced with chloralose and an electrode catheter placed at the right ventricular apex.
  • (10) Catheters containing 0% and 10% heparin were compared in each individual using ultrasound microflow velocimetry, permeability test, sequential determinations of activated partial thromboplastin time, heparin levels and generation of Fibrinopeptide A, beta thromboglobulin and Platelet factor 4.
  • (11) Of great influence on the results of measurements are preparation and registration (warm-up-time, amplification, closeness of pressure-system, unhurt catheters), factors relating to equipment and methods (air-bubbles in pressure-system, damping by filters, continuous infusion of the micro-catheter, level of zero-pressure), factors which occur during intravital measurement (pressure-drop along the arteria pulmonalis, influence of normal breathing, great intrapleural pressure changes, pressure damping in the catheter by thrombosis and external disturbances) and last not least positive and negative acceleration forces, which influence the diastolic and systolic pulmonary artery pressure.
  • (12) In one case an infection of the axillary region developed, which disappeared after removal of the catheter without any consequences.
  • (13) The complication might have been prevented by measurements of U and I, reflecting changes in impedance or by measurements of catheter tip temperature (T).
  • (14) In all patients a Tenckoff's catheter for peritoneal dialysis was introduced and peritoneal effusion extracted and measured.
  • (15) A fiberoptic flow-directed catheter inserted into the hepatic vein continuously measures hepatic venous oxygen hemoglobin saturation (ShvO2).
  • (16) The complex problems have been successfully managed with novel guiding catheter shapes and ultralow profile balloons.
  • (17) We present the results of giving continuous positive airway pressure (CPAP) via a single nasal catheter to 20 preterm infants.
  • (18) An intravenous catheter system for long-term (at least 6-8 weeks) parenteral nutrition of unrestrained rats is described.
  • (19) By using these larger catheters, the surgeon will not lose the option of using isosmotic preparations.
  • (20) Indirect methods to evaluate left ventricular function included the use of the Swan-Ganz catheter for pulmonary capillary wedge pressure measurement, systolic time intervals, and cardiac output.

Drug


Definition:

  • (v. i.) To drudge; to toil laboriously.
  • (n.) A drudge (?).
  • (n.) Any animal, vegetable, or mineral substance used in the composition of medicines; any stuff used in dyeing or in chemical operations.
  • (n.) Any commodity that lies on hand, or is not salable; an article of slow sale, or in no demand.
  • (v. i.) To prescribe or administer drugs or medicines.
  • (v. t.) To affect or season with drugs or ingredients; esp., to stupefy by a narcotic drug. Also Fig.
  • (v. t.) To tincture with something offensive or injurious.
  • (v. t.) To dose to excess with, or as with, drugs.

Example Sentences:

  • (1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
  • (2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
  • (3) The significance of minor increases in the serum creatinine level must be recognized, so that modifications of drug therapy can be made and correction of possibly life-threatening electrolyte imbalances can be undertaken.
  • (4) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
  • (5) Theophylline kinetics, as an in vivo probe for the potentially toxic cytochrome P-450I pathway of drug metabolism, were studied in 11 healthy volunteers and 11 patients with calcific chronic pancreatitis at Madras, South India.
  • (6) However, medicines have an important part to play, and it is now generally agreed that for the very poor populations medicines should be restricted to those on an 'essential drugs list' and should be made available as cheaply as possible.
  • (7) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
  • (8) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
  • (9) Meanwhile the efficiency of muscarinic antagonists in inhibition of tremor reaction induced by arecoline administration is associated with interaction between the drugs and the M2-subtype.
  • (10) Some of those drugs are able to stimulate the macrophages, even in an aspecific way, via the gut associated lymphatic tissue (GALT), that is in connection with the bronchial associated lymphatic tissue (BALT).
  • (11) The 14C-aminopyrine breath test was used to measure liver function in 14 normal subjects, 16 patients with alcoholic cirrhosis, 14 alcoholics without cirrhosis, and 29 patients taking a variety of drugs.
  • (12) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
  • (13) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
  • (14) Further development of drug formulary concept was discussed, primarily for the drugs paid by the Health Insurance, as well as the unsatisfactory ADR reporting in Yugoslavia.
  • (15) Senator Bernie Sanders of Vermont, who is also seeking the Democratic presidential nomination, recently proposed a bill that would ease the financial burden of prescription drugs on elderly Americans by allowing Medicare, the national social health insurance program, to negotiate with the pharmaceutical companies to keep prices down.
  • (16) The authors empirically studied the self-medication hypothesis of drug abuse by examining drug effects and motivation for drug use in 494 hospitalized drug abusers.
  • (17) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
  • (18) To investigate the relationship between Helicobacter pylori infection and nonsteroidal anti-inflammatory drug (NSAID) intolerance and the effect of gold use on the seroprevalence of H. pylori.
  • (19) A remarkable deterioration of prognosis with increasing age rises the question whether treatment with cytotoxic drugs should be tried in patients more than 60 years old.
  • (20) It was concluded that metoclopramide and dexamethasone showed an excellent antiemetic effect on acute drug-induced emesis, as well as on delayed emesis, induced by cisplatin.