Dinesh Kumar, S (2016) A prospective, randomized control study comparing the analgesic efficacy of continuous infusion of local anesthetic versus intermittent bolus through thoracic paravertebral cathetrisation in patients undergoing elective thoracotomy surgeries. Masters thesis, Madras Medical College, Chennai.
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Abstract
AIM OF THE STUDY: To compare the analgesic efficacy of thoracic paravertebral block using continuous infusion of local anesthetic versus intermittent bolus in patients undergoing elective thoracotomy surgeries. BACKGROUND: Various techniques and drug regimens for thoracic paravertebral block have been evaluated for post-thoracotomy analgesia. In this study continuous infusion versus intermittent bolus of local anesthetics for thoracic paravertebral block have been compared in the patients undergoing elective thoracotomy surgeries. 64 patients have been selected and randomized in to two groups with 32 patients in each group. Paravertebral block was performed and catheter kept in the paravertebral space. Intra operative vitals were noted. Post operative vitals and Visual Analogue Score were observed and compared between the two groups. RESULTS: Systolic blood pressure, diastolic blood pressure and mean arterial pressure were lower in continuous infusion group than the intermittent bolus group during both intra operatively and post operatively which is statistically significant. The visual analogue scale score post-operatively was meaningfully less in continuous infusion intervention group compared to intermittent bolus intervention group by 0.29 mean score points which is statistically significant. CONCLUSION: From this study we can conclude that continuous infusion of local anesthetic is really superior to intermittent bolus administration of local anesthetic in the paravertebral block as shown by continuous pain relief with absence of break through pain and better patient compliance in post operative physiotherapy and ablility to cough out sputum.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Analgesia ; paravertebral block ; thoracotomy surgeries ; local anesthetics. |
| Subjects: | MEDICAL > Anaesthesiology |
| Depositing User: | Punitha K |
| Date Deposited: | 15 Jun 2018 03:30 |
| Last Modified: | 15 Jun 2018 03:38 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/8469 |
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