Unique ID issued by UMIN | UMIN000008729 |
---|---|
Receipt number | R000010246 |
Scientific Title | Effect of ropivacaine concentration on the distribution of neural blockade in continuous thoracic paravertebral block |
Date of disclosure of the study information | 2012/08/20 |
Last modified on | 2018/03/31 10:26:36 |
Effect of ropivacaine concentration on the distribution of neural blockade in continuous thoracic paravertebral block
Effect of ropivacaine concentration on the distribution of neural blockade in continuous thoracic paravertebral block
Effect of ropivacaine concentration on the distribution of neural blockade in continuous thoracic paravertebral block
Effect of ropivacaine concentration on the distribution of neural blockade in continuous thoracic paravertebral block
Japan |
Patients scheduled for elective unilateral thoracotomy (lung lobectomy or pulmonary segmentectomy) under general anesthesia and continuous thoracic paravertebral block
Chest surgery | Anesthesiology |
Malignancy
NO
In this prospective and randomized study, we evaluate the number of anesthetized dermatomes and the quality of postoperative analgesia produced by a continuous thoracic paravertebral infusion of 0.2% ropivacaine 6 mL/h compared with 0.5% ropivacaine 6mL/h after thoracic surgery.
Safety,Efficacy
Confirmatory
Number of anesthetized dermatomes 24 hours after surgery
1.Pain score (Numerical Rating Scale) assessed at 1 hour, 6, 24, and 48 hours after surgery
2.The consumption of additional analgesics
3.Patient satisfaction score
4.Sedation score (Richmond Agitation Sedation Scale)
5.Incidence of nausea and vomiting
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Dose comparison
NO
NO
Institution is not considered as adjustment factor.
YES
Numbered container method
2
Treatment
Medicine |
Postoperative continuous thoracic paravertebral block of ropivacaine 0.2% 6mL/h for 48 hours
Postoperative continuous thoracic paravertebral block of ropivacaine 0.5% 6mL/h for 48 hours
20 | years-old | <= |
80 | years-old | >= |
Male and Female
1.Patients undergoing unilateral lung lobectomy or pulmonary segmentectomy at Niigata University Medical and Dental Hospital
2.American Society of Anesthesiologists Physical Status Classification I-III
3.Written informed consent is provided
1. Inability to communicate lucidly
2. Under 20 years old or over 80 years old
3. Bilateral thoracotomy
4. Patient with a past history of thoracotomy on the same side as the surgery
5. Allergy to local anesthetics
6. Contraindication to NSAIDs or fentanyl
7. ASA-PS > III
8. Hemodialysis patients
9. Body Mass Index > 30 kg/m^2
10. Body weight < 40 kg
11. Chronic opioid use
12. Neurological disability
13. Infections at the site of injection
60
1st name | |
Middle name | |
Last name | Hiroshi Baba |
Niigata University Graduate School of Medical and Dental Science
Department of Anesthesiology
1-757, Asahimachi-dori Chuo-ku Niigata, JAPAN
025-227-2328
baba@med.niigata-u.ac.jp
1st name | |
Middle name | |
Last name | Takayuki Yoshida |
Niigata University Medical and Dental Hospital
Department of Anesthesiology
1-757, Asahimachi-dori Chuo-ku Niigata, JAPAN
025-227-2328
ytaka@med.niigata-u.ac.jp
Department of Anesthesiology, Niigata University Medical and Dental Hospital
None
Self funding
NO
新潟大学医歯学総合病院
2012 | Year | 08 | Month | 20 | Day |
Published
Completed
2011 | Year | 09 | Month | 10 | Day |
2011 | Year | 10 | Month | 07 | Day |
2012 | Year | 10 | Month | 15 | Day |
2012 | Year | 10 | Month | 16 | Day |
2012 | Year | 10 | Month | 24 | Day |
2012 | Year | 12 | Month | 31 | Day |
2012 | Year | 08 | Month | 20 | Day |
2018 | Year | 03 | Month | 31 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000010246