Paravertebral Block Case Study

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TITLE COMPARISION OF PARAVERTEBRAL BLOCK WITH SPINAL ANESTHESIA IN UNILATERAL INGUINAL HERNIA REPAIR
AUTHORS
Dr. Aswin.A.B1, Dr. Suresh.Y.V2
` 1- Post graduate, 2-Associate professor Department of Anaesthesiology, Kasturba medical college, Manipal University Mangalore, Karnataka
INTRODUCTION
Paravertebral block is used as anesthesia for surgical procedures like breast surgery, thoracotomy, inguinal hernia repair, renal surgery predominantly in unilateral procedures as well in chest trauma(rib fracture) for analgesia. Paravertebral block can also be used for surgical anesthesia in patients with serious comorbidites who could not tolerate hemodynamic responses
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All values are presented as mean±SD except for ASA which is presented as number of patients (%). Group P Paravertebral group, Group S spinal group, SBP Systolic Blood pressure, DBP diastolic blood pressure, SPO2 oxygen saturation, Pre op pre operative.

TABLE 2
PARAMETERS GROUP P GROUP S
Use of Mephentermine
(n & %) 0 (0%) 15(50%)*
Propofol dosage (mg.) 166±19 66±10*
Intra-operative drug requirement in both groups P and S

*significant (p<0.05)
For use of Mephentermine Pearson’s chi square test was used results presented as no. of patients; For propofol dosage Fischer’s exact T test was used and results described as mean ±
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Our institute was in initial phase of practicing paravertebral block. Akcaboy et al in their study used paravertebral block for ambulatory inguinal herniorraphy.3 However we could not perform ambulatory inguinal hernia repair in our study as we do not have ambulatory surgery unit in our institute. To conclude paravertebral block can be used as an alternative to spinal anaesthesia in unilateral inguinal hernia repair. Its efficacy can be seen in better hemodynamic control, prolonged postoperative analgesia, no residual motor blockade, early ambulation and decreased urinary retention. The efficiency of paravertebral block can further be improved by using Peripheral nerve stimulator (PNS) as well as ultra sound guided block and further studies are required in large samples in this aspect as well as in ambulatoty

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