Meaning of tachyphylaxis
WebPurpose: To evaluate the effect of aflibercept treatment after developing ranibizumab tachyphylaxis for the treatment of polypoidal choroidal vasculopathy (PCV). Patients and methods: Ten eyes from ten patients with PCV who developed ranibizumab tachyphylaxis were reviewed. Tachyphylaxis was defined as when repeated intravitreal ranibizumab ... WebTolerance, termed tachyphylaxis, develops quickly to the effects of nitrates. To prevent tolerance from occurring there should be a nitrate-free interval (at least 12 hours) during each 24-hour period (typically overnight). Headaches, flushing, and postural hypotension accompanied by reflex tachycardia may occur as a result of vasodilation.
Meaning of tachyphylaxis
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Webn. pl. tach·y·phy·lax·es (-fĭ-lăk′sēz) 1. Rapid desensitization to a toxic substance produced by inoculation with a series of small doses. 2. A rapidly decreasing response to a drug … WebMar 22, 2024 · Tachyphylaxis is a condition where people experience a sudden decrease in effectiveness after taking a medication. This change usually occurs very abruptly. When …
WebBEHAVIORAL TOLERANCE In everyday language, Tolerance implies the ability to withstand something. In pharmacology, the term tolerance is close to this meaning. To understand the technical meaning of the word, however, requires an understanding of the concept of the potency of a drug. A drug's potency is expressed in terms of the amount (the dose) of the … WebDesensitisation and tachyphylaxis Desensitization Pharmacology Pharmacodynamics Receptors Ion channels Enzymes Other targets of drug action Peptides Other chemical …
Tachyphylaxis (Greek ταχύς, tachys, "rapid", and φύλαξις, phylaxis, "protection") is a medical term describing an acute, sudden decrease in response to a drug after its administration; i.e. a rapid and short-term onset of drug tolerance. It can occur after an initial dose or after a series of small doses. Increasing the dose of the drug may be able to restore the original response. WebSep 23, 2014 · Tachyphylaxis of prokinetics In critically ill patients the occurrence of tachyphylaxis might be more important for successful treatment than the occurrence of adverse reactions. Tachyphylaxis was addressed in two studies [ 23 ], [ 31 ].
WebJun 1, 2001 · Tachyphylaxis/tolerance after the use of H 2 -receptor antagonists is also now well established. It manifests as a loss of acid inhibitory efficacy and is also a class effect. It is present within a few doses but is not progressive after 29 days. Rebound acid hypersecretion after proton pump inhibitors has been shown for both basal and maximal ...
WebApr 13, 2024 · Background Given the persistently large public health impact of neovascular age-related macular degeneration (nARMD) despite many years of anti-VEGF therapy as the first-line treatment and the demonstrated ability of b-blockers to reduce neovascularization, a synergistic effect between an anti-VEGF agent and an intravitreal beta-blocker is … dkng today\u0027s stock priceWebTachyphylaxis • Tachyphylaxis is a rapid decrease in response to an agonist drug following repeated administration within a brief period; an acute form of desensitization. This can … dkng yellow wheelsWebtachyphylaxis - WordReference English dictionary, questions, discussion and forums. All Free. crayon nightcafe creatorWebMeaning of tachyphylaxis. What does tachyphylaxis mean? Information and translations of tachyphylaxis in the most comprehensive dictionary definitions resource on the web. dkng wallet investorWebADT tachyphylaxis is generally defined as a rapidly decreasing response to a drug or physiologically active agent after administration of a few doses. “Tachy” in Greek means swift, and “phylaxis” means guarding, protection; the term “antidepressant tachyphylaxis” was termed by Leib and Balter in 1984. 5 In addition, antidepressant ... crayon ornament craftWebOct 20, 2011 · Traditionally, when drug effects wane, it is known as tachyphylaxis. With reuptake inhibitors, the placebo effect is significantly greater than the drug effect in the treatment of depression and attention deficit hyperactivity disorder, leading some to assert that waning of drug effects is placebo relapse, not tachyphylaxis. ... meaning that ... dkng twitterWeband its perceived causes, tachyphylaxis is a clinically significant phe-nomenon that deleteriously impacts the care of depressed patients. The lack of a standard definition of tachyphylaxis makes it chal-lenging to determine an accurate prevalence for this phenomenon.1 However, a number of studies that equate tachyphylaxis with a loss of dkng warrants