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Related Concept Videos

Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant01:25

Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant

In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

Opioid Analgesics: Synthetic and Semisynthetic Opioids

Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
Opioid Analgesics: Morphine and Other Natural Cogeners01:20

Opioid Analgesics: Morphine and Other Natural Cogeners

Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
Acute Kidney Injury VI: Nursing Management01:22

Acute Kidney Injury VI: Nursing Management

Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...

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Intravascular Delivery of Biologics to the Rat Kidney
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Prescribing opioids in renal failure.

Joanne Droney1, Jeremy Levy, Columba Quigley

  • 1Palliative Medicine, Royal Marsden Hospital, London.

Journal of Opioid Management
|February 23, 2008
PubMed
Summary

Physician prescribing of opioids for patients with renal impairment varies. Safer opioid use requires consensus guidelines for this vulnerable group.

Area of Science:

  • Pharmacology
  • Nephrology
  • Pain Management

Background:

  • Opioids are frequently prescribed for cancer and non-cancer pain.
  • Renal impairment in patients requiring opioids can pose safety risks.
  • Understanding current prescribing practices is crucial for patient safety.

Purpose of the Study:

  • To identify commonly prescribed opioids for patients with renal impairment.
  • To compare opioid prescribing practices between renal and palliative medicine physicians.
  • To investigate how renal impairment is recognized and managed in opioid prescribing.

Main Methods:

  • A postal survey was distributed to renal and palliative medicine consultants in the UK and Ireland.
  • 178 questionnaires were completed, yielding a response rate of 30.5%.

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  • Data analysis focused on opioid selection and dose adjustment in renal impairment.

    • Main Results:

    • Renal physicians more frequently prescribed morphine for impaired renal function compared to palliative physicians.
    • A notable percentage of physicians failed to adjust doses of morphine or codeine.
    • Palliative physicians favored non-morphine opioids, with fentanyl being common in both groups.
    • Renal physicians based opioid choice on glomerular filtration rate, while palliative physicians considered serum creatinine.

    Conclusions:

    • There is a need for unified guidelines developed by both renal and palliative care experts.
    • Such guidelines would enhance the safe utilization of opioids in patients with renal impairment.
    • Collaborative efforts are essential to address the unique needs of this patient population.