What's the difference between chronic and old?

Chronic


Definition:

  • (a.) Relating to time; according to time.
  • (a.) Continuing for a long time; lingering; habitual.

Example Sentences:

  • (1) Biochemical, immunocytochemical and histochemical methods were used to study the effect of chronic acetazolamide treatment on carbonic anhydrase (CA) isoenzymes in the rat kidney.
  • (2) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
  • (3) 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.
  • (4) Experience of pain is modified by intern and extern influences, and it can appear very multiformly in the chronicity.
  • (5) We determined whether serological investigations can assist to distinguish between chronic idiopathic autoimmune thrombocytopenia (cAITP) and immune-mediated thrombocytopenia in patients at risk to develop systemic lupus erythematosus (SLE); 82 patients were seen in this institution for the evaluation of immune thrombocytopenia.
  • (6) Patients were chronically ill homosexual men with multiple systemic opportunistic infections.
  • (7) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
  • (8) Until the 1960's there was great confusion, both within and between countries, on the meaning of diagnostic terms such as emphysema, asthma, and chronic brochitis.
  • (9) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (10) During the chronic phase, pain was assessed using visual analogue scales at 8 AM and 4 PM daily.
  • (11) These data indicate that CSF levels are not inversely related to the blood neutrophil count in chronic idiopathic neutropenia and suggest that CSF is not a hormone regulating the blood neutrophil count in a manner analogous to the erythropoietin regulation of circulating erythrocyte levels.
  • (12) Erythrocyte membrane choline transport is abnormally high in chronic renal failure.
  • (13) 1 The effects of chronic ethanol intake on the elimination kinetics of antipyrine were determined in nineteen male alcoholic subjects with comparison made to fourteen male volunteers.
  • (14) The leukemic T-cells in two patients with chronic lymphocytic leukemia (CLL) had specific features of large granular lymphocytes (LGL), and those in two patients with acute lymphocytic leukemia (ALL) had L2 morphologic characteristics.
  • (15) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (16) Alcohol abuse remains the predominant cause of chronic liver disease in the Western world.
  • (17) These results show that lipo-PGI2 at a very low dose would be beneficial as a treatment for relieving the clinical symptoms of chronic cerebral infarction and that lipid microspheres are a useful drug carrier for PGI2 analogue therapy.
  • (18) Anxious mood and other symptoms of anxiety were commonly seen in patients with chronic low back pain.
  • (19) Asthma is probably the commonest chronic disease in the United Kingdom, and its attendant morbidity extends outside the possible scope of the hospital sector.
  • (20) We recommend analysing the urine for porphyrins in HIV-positive patients who have chronic photosensitivity of the skin.

Old


Definition:

  • (n.) Open country.
  • (superl.) Not young; advanced far in years or life; having lived till toward the end of the ordinary term of living; as, an old man; an old age; an old horse; an old tree.
  • (superl.) Not new or fresh; not recently made or produced; having existed for a long time; as, old wine; an old friendship.
  • (superl.) Formerly existing; ancient; not modern; preceding; original; as, an old law; an old custom; an old promise.
  • (superl.) Continued in life; advanced in the course of existence; having (a certain) length of existence; -- designating the age of a person or thing; as, an infant a few hours old; a cathedral centuries old.
  • (superl.) Long practiced; hence, skilled; experienced; cunning; as, an old offender; old in vice.
  • (superl.) Long cultivated; as, an old farm; old land, as opposed to new land, that is, to land lately cleared.
  • (superl.) Worn out; weakened or exhausted by use; past usefulness; as, old shoes; old clothes.
  • (superl.) More than enough; abundant.
  • (superl.) Aged; antiquated; hence, wanting in the mental vigor or other qualities belonging to youth; -- used disparagingly as a term of reproach.
  • (superl.) Old-fashioned; wonted; customary; as of old; as, the good old times; hence, colloquially, gay; jolly.
  • (superl.) Used colloquially as a term of cordiality and familiarity.

Example Sentences:

  • (1) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (2) Yet the Tory promise of fiscal rectitude prevailed in England Alexander had been in charge of Labour’s election strategy, but he could not strategise a victory over a 20-year-old Scottish nationalist who has not yet taken her finals.
  • (3) A 61-year-old man experienced four bouts of pancreatitis in 1 year.
  • (4) A total of 104 evaluable patients 20-90 years old treated by direct vision internal urethrotomy a.m. Sachse for urethral strictures reported retrospectively via a questionnaire their sexual potency before and after internal urethrotomy.
  • (5) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (6) Scatchard analyses of binding data obtained with synaptosomal preparations from 17-day-old embryos revealed two T3 binding sites.
  • (7) 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.
  • (8) A specimen of a very early ovum, 4 to 6 days old, shown in the luminal form of imbedding before any hemorrhage has taken place, confirms that the luminal form of imbedding does occur.
  • (9) Data collection at the old hospital for comparison, however, was not always reliable.
  • (10) A leg ulcer in a 52-year-old renal transplant patient yielded foamy histiocytes containing acid-fast bacilli subsequently identified as a Runyon group III Mycobacterium.
  • (11) The 36-year-old teacher at an inner-city London primary school earns £40,000 a year and contributes £216 a month to her pension.
  • (12) Eight-week-old virgin untreated female mice were induced to ovulate using equine chorionic gonadotropin (eCG) and human chorionic gonadotropin (hCG), and were then caged with males overnight.
  • (13) The authors report an ocular luxation of a four-year-old girl after a bicycle accident.
  • (14) Peak incidence is found among 40 to 49-year-old and 60 to 64-year-old women.
  • (15) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
  • (16) Brilliant, old-fashioned speech, from the days before teleprompters became all-dominant.
  • (17) Though the 54-year-old designer made brief returns to the limelight after his fall from grace, designing a one-off collection for Oscar de la Renta last year , his appointment at Margiela marks a more permanent comeback.
  • (18) He also deals with the incidence, conservative and surgical treatment of osteo-arthrosis in old age and with the possibilities of its prevention.
  • (19) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
  • (20) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.