Prehospital ultrasound scanning for abdominal free fluid detection in trauma patients: a systematic review and meta-analysis

Table 1 Characteristics of the included studies

Author/year	Study design	Situation	Number of patients analyzed				Method	Target condition	Reference test
			H+		H-
			P+	P-	P+	P-
Walcher et al. 2006	Prospective observational	Trauma	26	2	1	173	PFAST	Abdominal free fluid	ED ultrasound or CT
Gregory et al. 2014	Prospective observational	Trauma	12	14	10	161	PFAST	Abdominal free fluid	CT or surgery
Ketelaars et al. 2019	Retrospective observational	Trauma	28	64	10	319	Prehospital ultrasound	Abdominal free fluid	CT or surgery
Gamberini et al. 2022	Retrospective observational	Trauma	17	10	0	17	PFAST	Abdominal free fluid	FAST, CT, or surgery
Lucas et al. 2022	Prospective randomized trial	Trauma	18	1	3	120	PFAST	Abdominal free fluid	CT
Partyka et al. 2022	Retrospective observational	Trauma	21	63	9	257	PFAST	Abdominal free fluid	CT or surgery

PFAST, prehospital focused assessment with sonography for trauma; CT, computed tomography; ED, emergency department; H+, hemoperitoneum was noted in hospital; H-, no hemoperitoneum was noted in hospital; P+, hemoperitoneum was noted on prehospital ultrasound exam; P-, no hemoperitoneum was noted on prehospital ultrasound exam

ISSN: 1471-227X