The Regional Centralization of Electronic Fetal Heart Rate Monitoring and Its Impact on Neonatal Acidemia and the Cesarean Birth Rate

Table 3

The clinical characteristics of the 19 acidotic infants.

	Case number	Group	GW; (weeks)	Birth weight; (g)	Mode of delivery	Apgar score		Umbilical arterial blood gas analysis			Temporal changes in FHR patterns and clinical findings	Associated conditions	Specialist’s comments
						1 min	5 min	pH	pCO2	BE
Period 1	1	Compliant	40	3530	VD	9	9	7.05	59.3	−15.4	Uneventful
	2	Compliant	39	3320	VD	6	9	7.06	95.8	−7.5	Terminal bradycardia
	3	Compliant	39	3020	eCS	8	9	7.04	76.5	−12.6	Nonreassuring FHR
	4	Compliant	41	3170	eCS	6	8	7.02	81.8	−12.5	Nonreassuring FHR
	5	Compliant	40	3850	VD	5	9	7.05	59	−4.5	Not available
	6	Compliant	41	3310	eCS	8	8	7.08	60	−13.3	Nonreassuring FHR
	7	Compliant	39	3210	eCS	3	9	7.07	89.9	−6.9	Nonreassuring FHR
	8	Compliant	39	2850	eCS	8	9	7.06	76.5	−10.5	Nonreassuring FHR
	9	Compliant	39	3150	eCS	0	0	—	—	—	Recurrent LD for 5 hours and then bradycardia	Placental abruption
	10	Compliant	38	2750	VD	8	9	7.09	78	−9.1	Terminal bradycardia
	11	Noncompliant	38	2570	VD	8	NA	6.83	78.7	−22.7	Not available
	12	Noncompliant	40	3140	VD	7	8	7.08	56.2	−14.9	Terminal bradycardia
Period 2	13	Compliant	40	3210	VD	8	9	7.06	79.3	−11.1	Reassuring: rLD for 30 min, followed by terminal PD; vacuum extraction x1		Consultation at 5 min of rLD; vacuum extraction
	14	Compliant	35	2390	VD	3	7	6.95	112	−14.5	Recurrent LD on admission leading to operative vaginal delivery	Abnormal admission test	Preexisting hypoxia Expeditious delivery
	15	Compliant	38	3080	eCS	3	7	6.90	53	−21.4	Sudden onset bradycardia at Cx 6 cm dilatation	Cord prolapse	Unavoidable accident Emergency CS
	16	Noncompliant	37	2730	VD	3	9	6.97	93.6	−12.6	Not available		No consultation
	17	Noncompliant	38	2540	eCS	5	7	7.07	33.6	−20.5	Reassuring: loss of acceleration for 6 hours; occasional LD, and then rLD for 1 hr to decide eCS		No consultation
	18	Noncompliant	39	3180	eCS	3	8	7.00	87.6	−14.2	Reassuring: sudden onset of recurrent severe VDs	Placental abruption	No consultation
	19	Noncompliant	39	3530	VD	7	9	7.09	68.4	−11.5	Reassuring and sudden onset terminal bradycardia (<80 bpm) for 10 min		No consultation