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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

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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...
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Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

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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...
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Related Experiment Video

Updated: Sep 4, 2025

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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Tranexamic acid dosage for spinal surgery: a meta-analysis.

Chao Qin1, Kai-Li Du1, Pei-Yu Guo1

  • 1Department of Orthopedics, The First Affiliated Hospital, Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan, China.

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
|July 16, 2022
PubMed
Summary

High-dose intravenous tranexamic acid (TXA) significantly reduces intraoperative blood loss in spinal surgery compared to low-dose TXA. Higher doses also preserve postoperative hemoglobin and hematocrit levels without increasing operative time or transfusion rates.

Keywords:
Blood lossDoseMeta-analysisSpinal surgeryTranexamic acid

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Area of Science:

  • Orthopedic Surgery
  • Anesthesiology
  • Pharmacology

Background:

  • Spinal surgery can involve significant blood loss.
  • Tranexamic acid (TXA) is used to reduce bleeding.
  • Optimal dosing of intravenous TXA in spinal surgery requires clarification.

Purpose of the Study:

  • To compare the efficacy of different doses of intravenous tranexamic acid (TXA) in spinal surgery.
  • To evaluate the impact of high-dose versus low-dose intravenous TXA on blood loss and related outcomes.

Main Methods:

  • Meta-analysis of randomized controlled trials (RCTs).
  • Searched PubMed, Embase, Cochrane Library, and CNKI.
  • Data extracted and analyzed using RevMan 5.4.

Main Results:

  • Ten RCTs involving 740 patients were included.
  • High-dose intravenous TXA reduced intraoperative blood loss (MD = -100.87 mL).
  • High-dose TXA maintained higher postoperative hemoglobin (MD = 4.54 g/dL) and hematocrit (MD = 1.27%).

Conclusions:

  • High-dose intravenous TXA is more effective than low-dose TXA in reducing intraoperative blood loss during spinal surgery.
  • High-dose TXA helps maintain postoperative hemoglobin and hematocrit levels.
  • No significant increase in operative time or blood transfusion rates was observed with high-dose TXA.