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Neurokinin 1 (NK1) receptors are distributed across the GI tract, vagal afferents, and key CNS regions including the central vomiting center and chemoreceptor trigger zone (CTZ) Chemotherapy agents stimulate enterochromaffin cells in the gastrointestinal (GI) tract to release large amounts of substance P (SP). SP is a neuropeptide released by specific sensory nerves in response to many different stressors, including those in the GI mucosa affected by chemotherapy.  SP binds and activates...
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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
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5-HT3 receptor antagonists, such as dolasetron, granisetron (Kytril), ondansetron (Zofran), and palonosetron (Axoli), are crucial in managing chemotherapy-induced nausea and vomiting (CINV) and postoperative nausea. These drugs selectively block 5-HT3 receptors in the visceral vagal and spinal afferent nerves, chemoreceptor trigger zone, and the vomiting center. They have a rapid onset of action and can be given as a single dose before chemotherapy. Ondansetron and granisetron, in particular,...
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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Related Experiment Video

Updated: Dec 17, 2025

Acupoint Application Combined with Acupressure as an Adjunctive Therapy for Chemotherapy-Induced Nausea and Vomiting
05:56

Acupoint Application Combined with Acupressure as an Adjunctive Therapy for Chemotherapy-Induced Nausea and Vomiting

Published on: June 21, 2024

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Postoperative nausea and vomiting.

Jonathan Barnes1

  • 1Department of Anaesthesia, Bristol Royal Infirmary, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.

British Journal of Hospital Medicine (London, England : 2005)
|June 27, 2020
PubMed
Summary
This summary is machine-generated.

Postoperative nausea and vomiting (PONV) is a frequent surgical complication. Identifying patients at high risk and using targeted prophylaxis can significantly decrease its occurrence and related issues.

Related Experiment Videos

Last Updated: Dec 17, 2025

Acupoint Application Combined with Acupressure as an Adjunctive Therapy for Chemotherapy-Induced Nausea and Vomiting
05:56

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Published on: June 21, 2024

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Area of Science:

  • Anesthesiology
  • Surgical Patient Care

Background:

  • Postoperative nausea and vomiting (PONV) is a common and distressing complication following surgical procedures.
  • PONV can lead to significant patient discomfort and various adverse effects, impacting recovery.

Purpose of the Study:

  • To highlight the importance of identifying patients at high risk for PONV.
  • To emphasize the benefits of targeted prophylactic strategies in managing PONV.

Main Methods:

  • Review of existing literature on PONV incidence and risk factors.
  • Analysis of prophylactic measures and their effectiveness in different patient populations.

Main Results:

  • PONV affects a substantial number of surgical patients.
  • Risk stratification allows for personalized prevention strategies.
  • Targeted prophylaxis is effective in reducing PONV incidence and severity.

Conclusions:

  • Proactive identification of high-risk individuals is crucial for effective PONV management.
  • Implementing targeted prophylaxis can mitigate the negative impact of PONV on patient outcomes.
  • Reducing PONV incidence improves overall surgical patient satisfaction and safety.