Paravertebral lumbar analgesia in yaks (Bos grunniens)

Kulbhushan Kulbhushan, A C Varshney, D N Sharma, Mohinder Singh, S K Sharma, J M Nigam


Topographical anatomical disposition of spinal nerves supplying to flank area was studied in 3 embalmed yaks (Bos grunniens), thereafter paravertebral lumbar analgesia was rationalised in 9 adult yaks of either sex. The flank area in yak was inncrvated by the last two thoracic (T-13, T-14) and first two lumbar (L-1, L-2) spinal nerves. Four ml of 2% lignocaine hydrochloride deposited at the origin of nerve superficially and 5 ml deeply, blocked the respective branches of flank area. The onset of analgesia occurred at 2.551 ± 0.24 min in upper flank and 4.00 ± 0.33 min in the lower flank. The duration of analgesia was 112.22 ± 4.50 and 56.67± 3.12 min, respectively, in these areas.


Analgesia; Paralumbar; Paraveltebral; Spinal nerves; Yak

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