Clinical Study
Real-Time Ultrasound-Guided Spinal Anaesthesia: A Prospective Observational Study of a New Approach
Table 2
Predicted difficulty of spinal anaesthesia.
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Data are presented as n (= %). Atallah’s spinal anaesthesia difficulty score comprises nine difficulty grades. Grade 4 is the difficulty grade at or above which difficulty is expected. Grades are calculated based on the sum of specific scores assigned for BMI, age, bony landmark palpability, radiological characteristics, and spinal deformity [13]. |