Surgical anesthesia with a combination of T12 paravertebral block and lumbar plexus, sacral plexus block for hip replacement in ankylosing spondylitis: CARE-compliant 4 case reports

Table 2 Intraoperative parameters

	Blood pressure(mmHg)	Heart rate(bpm)	SpO₂(%)	Duration of operation(min)	Blood loss(ml)
Case 1	135–160/64–89	90–102	92–100	50	200
Case2	120–150/70–91	75–90	96–100	57	200
Case 3	83–90/46–54	65–77	95–100	38	150
Case 4	92–120/50–70	65–75	97–100	53	250

ISSN: 1471-2253