Ropivacaine Hydrochloride
ROPIVACAINE HYDROCHLORIDE- ropivacaine hydrochloride injection, solution
Hospira, Inc.
1 INDICATIONS AND USAGE
Ropivacaine Hydrochloride Injection, USP is indicated for the production of local or regional anesthesia for surgery and for acute pain management.
Surgical Anesthesia: | epidural block for surgery including cesarean section; major nerve block; local infiltration |
Acute Pain Management: | epidural continuous infusion or intermittent bolus; e.g., postoperative or labor; local infiltration |
2 DOSAGE AND ADMINISTRATION
2.1 Important Administration Instructions
There have been adverse event reports of chondrolysis in patients receiving intra-articular infusions of local anesthetics following arthroscopic and other surgical procedures. Ropivacaine is not approved for this use [see Warnings and Precautions (5.3)].
The rapid injection of a large volume of local anesthetic solution should be avoided and fractional (incremental) doses should always be used. The smallest dose and concentration required to produce the desired result should be administered.
The dose of any local anesthetic administered varies with the anesthetic procedure, the area to be anesthetized, the vascularity of the tissues, the number of neuronal segments to be blocked, the depth of anesthesia and degree of muscle relaxation required, the duration of anesthesia desired, individual tolerance, and the physical condition of the patient. Patients in poor general condition due to aging or other compromising factors such as partial or complete heart conduction block, advanced liver disease or severe renal dysfunction require special attention although regional anesthesia is frequently indicated in these patients. To reduce the risk of potentially serious adverse reactions, attempts should be made to optimize the patient’s condition before major blocks are performed, and the dosage should be adjusted accordingly.
Use an adequate test dose (3 to 5 mL of a short acting local anesthetic solution containing epinephrine) prior to induction of complete block. This test dose should be repeated if the patient is moved in such a fashion as to have displaced the epidural catheter. Allow adequate time for onset of anesthesia following administration of each test dose.
These products are intended for single-dose and are free from preservatives. Any solution remaining from an opened container should be discarded promptly.
2.2 Dosage Recommendations
| ||||||
Conc. | Volume | Dose | Onset | Duration | ||
mg/mL | (%) | mL | mg | min | hours | |
SURGICAL ANESTHESIA | ||||||
Lumbar Epidural Administration Surgery | 5 7.5 10 | (0.5%) (0.75%) (1%) | 15 to 30 15 to 25 15 to 20 | 75 to 150 113 to 188 150 to 200 | 15 to 30 10 to 20 10 to 20 | 2 to 4 3 to 5 4 to 6 |
Lumbar Epidural Administration Cesarean Section | 5 7.5 | (0.5%) (0.75%) | 20 to 30 15 to 20 | 100 to 150 113 to 150 | 15 to 25 10 to 20 | 2 to 4 3 to 5 |
Thoracic Epidural Administration Surgery | 5 7.5 | (0.5%) (0.75%) | 5 to 15 5 to 15 | 25 to 75 38 to 113 | 10 to 20 10 to 20 | n/a * n/a * |
Major Nerve Block † (e.g., brachial plexus block) | 5 7.5 | (0.5%) (0.75%) | 35 to 50 10 to 40 | 175 to 250 75 to 300 | 15 to 30 10 to 25 | 5 to 8 6 to 10 |
Field Block (e.g., minor nerve blocks and infiltration) | 5 | (0.5%) | 1 to 40 | 5 to 200 | 1 to 15 | 2 to 6 |
LABOR PAIN MANAGEMENT | ||||||
Lumbar Epidural Administration | ||||||
Initial Dose | 2 | (0.2%) | 10 to 20 | 20 to 40 | 10 to 15 | 0.5 to 1.5 |
Continuous infusion ‡ | 2 | (0.2%) | 6 to 14 mL/h | 12 to 28 mg/h | n/a * | n/a * |
Incremental injections (top-up)‡ | 2 | (0.2%) | 10 to 15 mL/h | 20 to 30 mg/h | n/a * | n/a * |
POSTOPERATIVE PAIN MANAGEMENT | ||||||
Lumbar Epidural Administration Continuous infusion § | 2 | (0.2%) | 6 to 14 mL/h | 12 to 28 mg/h | n/a * | n/a * |
Thoracic Epidural Administration Continuous infusion § | 2 | (0.2%) | 6 to 14 mL/h | 12 to 28 mg/h | n/a * | n/a * |
Infiltration (e.g., minor nerve block) | 2 5 | (0.2%) (0.5%) | 1 to 100 1 to 40 | 2 to 200 5 to 200 | 1 to 5 1 to 5 | 2 to 6 2 to 6 |
The doses in the table are those considered to be necessary to produce a successful block and should be regarded as guidelines for use in adults. Individual variations in onset and duration occur. The figures reflect the expected average dose range needed. For other local anesthetic techniques standard current textbooks should be consulted.
When prolonged blocks are used, either through continuous infusion or through repeated bolus administration, the risks of reaching a toxic plasma concentration or inducing local neural injury must be considered. Experience to date indicates that a cumulative dose of up to 770 mg ropivacaine hydrochloride administered over 24 hours is well tolerated in adults when used for postoperative pain management: i.e., 2016 mg. Caution should be exercised when administering ropivacaine for prolonged periods of time, e.g., > 70 hours in debilitated patients.
For treatment of postoperative pain, the following technique can be recommended: If regional anesthesia was not used intraoperatively, then an initial epidural block with 5 mL to 7 mL ropivacaine is induced via an epidural catheter. Analgesia is maintained with an infusion of ropivacaine hydrochloride 2 mg/mL (0.2%). Clinical studies have demonstrated that infusion rates of 6 mL to 14 mL (12 mg to 28 mg) per hour provide adequate analgesia with nonprogressive motor block. With this technique a significant reduction in the need for opioids was demonstrated. Clinical experience supports the use of ropivacaine epidural infusions for up to 72 hours.
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