Elective uterine artery embolization prior to laparoscopic resection of interstitial pregnancy: two cases and literature review

Table 2 Primary systemic MTX treatment of interstitial pregnancy

Author	N	Initial β-hCG	Systemic MTX treatment	Hospital stay	Negative β-hCG	Success
Jermy et al. [24]	17	32–31,381	50 mg/m² IM	0–40	3–13	16/17
Hiersch et al. [25]	14	15,764	1 mg/kg/d IM on day 1, 3, 5, 7	N/A	N/A	9/14
	3	< 2500	50 mg/m² IM	1	N/A	3/3
Tanaka et al. [26]	33	230–106,634	100 mg IV + 200 mg IV	1–4	3–19	31/33
Kim et al. [12]	5	375–102,970	1 mg/kg/d IM on day 1, 3, 5, 7	N/A	N/A	14/30
	24		50 mg/m² IM	N/A	N/A
	1		100 mg IV in bolus followed by 200 mg IV	N/A	N/A

N number of cases, β-hCG mIU/ml, MTX methotrexate, IM intramuscular, IV intravenous, hospital stay days, negative β-hCG weeks