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Related Concept Videos

Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
528
Analgesia and Pain Management01:25

Analgesia and Pain Management

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
944
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

889
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
889
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

647
Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
647

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Related Experiment Video

Updated: Oct 16, 2025

Knee Arthrocentesis in Adults
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Tranexamic Acid Administration in Arthroscopic Surgery Is a Safe Adjunct to Decrease Postoperative Pain and Swelling:

Kyle Goldstein1, Conor Jones1, Jeffrey Kay2

  • 1Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|October 16, 2021
PubMed
Summary
This summary is machine-generated.

Tranexamic acid (TXA) use in arthroscopic surgery significantly reduces pain, blood loss, and hemarthrosis. This systematic review found TXA to be a safe and effective adjunct, improving patient outcomes without increasing operative time or complications.

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Area of Science:

  • Orthopedic Surgery
  • Pharmacology
  • Evidence-Based Medicine

Background:

  • Arthroscopic surgeries, while minimally invasive, can involve significant pain and blood loss.
  • Managing postoperative complications like hemarthrosis and effusion is crucial for patient recovery.
  • Tranexamic acid (TXA) is an antifibrinolytic agent with potential benefits in reducing bleeding and inflammation.

Purpose of the Study:

  • To systematically review and critically examine the effects of tranexamic acid (TXA) in patients undergoing arthroscopic surgery.
  • To assess the impact of TXA on pain, blood loss, surgical duration, and complication rates.
  • To determine the efficacy and safety of TXA as an adjunct in arthroscopic procedures.

Main Methods:

  • A systematic literature search was conducted across MEDLINE, EMBASE, and Cochrane databases.
  • Randomized controlled trials (RCTs) were screened in duplicate according to PRISMA and R-AMSTAR guidelines.
  • Meta-analysis was performed on data from 7 eligible RCTs involving 724 patients.

Main Results:

  • TXA significantly reduced postoperative pain scores (VAS) at 2 weeks (MD: -1.65, P=.06) and hemarthrosis grade (MD: -0.76, P<.0001).
  • A significant decrease in joint aspirations (RR: 0.27, P=.0006) and drainage output (MD: -61.14 mL, P=.006) was observed with TXA.
  • No significant difference in operating time was found, and TXA did not increase the incidence of major complications like DVT or infection.

Conclusions:

  • TXA significantly improves pain management and reduces bleeding complications in arthroscopic knee and shoulder surgery.
  • The use of TXA enhances visual clarity and technical ease during surgery.
  • TXA is a safe and effective adjunct for arthroscopic procedures, offering improved patient outcomes without compromising safety.