Related Experiment Video
Updated: Jul 15, 2026
05:39
Non-Intubated Video-Assisted Thoracoscopic Surgery
Published on: May 26, 2023
[Epidural anesthesia with ropivacaine by computerized infusion pump]
Min Li1, Hong-Wei Cai, Fei Ren
1Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China. deanli2006@gmail.com
Summary
Continuous epidural anesthesia using ropivacaine via a computerized pump offers stable hemodynamics and effective pain relief during obstetric operations. This method proved safer than conventional injections, maintaining stable blood pressure.
Area of Science:
- Anesthesiology
- Pharmacology
Background:
- Epidural anesthesia is a common technique for obstetric operations.
- Ropivacaine is a widely used local anesthetic for epidural administration.
- Computerized infusion pumps offer potential for precise drug delivery.
Purpose of the Study:
- To evaluate the feasibility and safety of continuous epidural anesthesia with ropivacaine using a computerized infusion pump.
- To compare hemodynamic stability and anesthetic efficacy between computerized pump infusion and conventional injection methods.
Main Methods:
- A comparative study involving 60 patients undergoing obstetric operations.
- Patients were divided into two groups: Group A (computerized pump infusion) and Group B (conventional injection).
- Both groups received 0.75% ropivacaine, with differing initial doses and maintenance protocols.
Main Results:
- Group A demonstrated significantly more stable blood pressure compared to Group B (P<0.05).
- Fewer patients in Group A required ephedrine to maintain blood pressure (P<0.05).
- No significant difference in anesthetic level was observed between the two groups (P>0.05).
Conclusions:
- Continuous epidural anesthesia with ropivacaine via a computerized infusion pump is a safe and effective technique.
- This method provides excellent anesthetic effects while maintaining hemodynamic stability.
- Computerized infusion offers advantages in managing blood pressure during obstetric procedures.
Related Concept Videos
01:29Local Anesthetics: Clinical Application as Epidural Anesthesia
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...
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...
01:16Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
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...
One of the advantages of...
01:11Local Anesthetics: Clinical Application as Spinal Anesthesia
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...
01:24Parenteral Anesthetics: Overview
Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
01:29Drug Delivery: Parenteral Route
The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
01:24General Anesthesia: Overview
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...