Njirimara ngwaahịa
1. Enwere ike ịkwaga úkwù. Onye na-ahụ maka ịwa ahụ kwesịrị ijide isi onye ọrịa a na-eme ihe atụ n'otu aka ma jidesie oghere ụkwụ nke aka abụọ ala ike na aka nke ọzọ iji mee ka ọkpụkpụ azụ ahụ bụrụ kyphotic ma gbasaa oghere vertebral ruo n'ókè o kwere mee iji mezue nhịpụ ahụ. 2. Ọdịdị anụ ahụ lumbar ziri ezi na akara elu ahụ doro anya: enwere vertebrae lumbar zuru oke 1-5 (ahụ vertebral, vertebral arch plate, spinous process), sacrum, sacral hiatus, sacral Angle, superior spinous ligament, interspinous ligament, yellow ligament, dura mater na omentum, yana subomentum, epidural space na sacral canal nke anụ ahụ dị n'elu mepụtara: posterior superior iliac spain, iliac ridge, thoracic spain process na lumbar spain process nwere ike inwe mmetụta n'ezie. 3. Ọrụ ndị a ga-ekwe omume: ọgwụ mgbu azụ, mgbochi akwara azụ, mgbochi epidural, mkpọchi akwara caudal, mkpọchi akwara sacral, mgbochi akwara lumbar sympathetic 4. Eziokwu e ji mee ihe atụ nke mgbochi akwara azụ: Mgbe agịga ahụ ruru njikọ odo odo e ji mee ihe atụ, nguzogide ahụ na-abawanye ma nwee mmetụta nke ike, mmụba nke njikọ odo ahụ na-enwe mmetụta doro anya nke ndakpọ olileanya. Nke ahụ bụ, n'ime oghere epidural, enwere nrụgide na-adịghị mma (n'oge a, ntụtụ nke mmiri ọgwụ anestetiiki bụ ọgwụ epidural): nọgide na-etinye agịga ahụ ga-akụ dura na omentum ahụ, enwere mmetụta nke ọdịda nke abụọ, ya bụ, n'ime oghere subbomentum, a ga-enwe mmiri ụbụrụ e ji eme ihe atụ nke na-apụta. Usoro ahụ dum na-eme ka ọnọdụ dị adị nke mgbapụ akwara azụ.