Blood pressure response to combined general anaesthesia/interscalene brachial plexus block for outpatient shoulder arthroscopy

Table 4 Process times

	GA	GA-ISB	p
	(n = 42)	(n = 41)
ISB time	n.a. ‡	34.2 ± 19.0	n.a.
Ready for surgical preparation time	31.1 ± 13.4	18.1 ± 6.0	< 0.001
Surgical time	56.0 ± 12.4	46.0 ± 15.3	< 0.002
Dressing complete to PACU† time	11.1 ± 4.3	11.1 ± 3.6	0.71
Anaesthesia control time	42.2 ± 15.0	31.3 ± 8.3	< 0.001
Total anaesthesia time	42.2 ± 15.0	65.5 ± 21.8	< 0.001

*ISB = interscalene block; † PACU = post anaesthesia care unit; ‡ n.a. = not applicable.
“ISB* time”: From disinfection of the skin until block fully developed.
“Ready for surgical preparation time”: Time from arrival in the operating theatre until end of anaesthesia induction;
“Surgical time”: From incision to skin closure and dressing;
“Theatre emergence time”: From end of surgery until leaving the operating theatre;
“Anaesthesia control time”: Ready for surgical preparation time plus theatre emergence time;
“Total anaesthesia time”: ISB time plus anaesthesia control time;
“PACU † time”: From arrival in the PACU to the eligibility for discharge.

ISSN: 1471-2253