Metabolic syndrome and liver disease in the era of bariatric surgery: What you need to know!

Table 1 Bariatric surgery studies with histological assessment of liver biopsy

PMID	First author	Year	Country	Study design	Patients	Type of surgery	Steatosis1	Hepatocyte ballooning1	Inflammation1	Fibrosis1	NAS1	Deterioration2	Follow-up (mo)
32553765	Lassailly	2020	France	P	180	RYGB, LAGB, BPD, SG	Yes	Yes	Yes	Yes	Yes	Yes	60
32556752	Salman	2020	Egypt	P	67	OAGB	Yes	Yes	Yes	Yes	Yes	No	15
32153044	Salman	2020	Egypt	P	81	SG	Yes	Yes	Yes	Yes	Yes	Yes	18
32152677	Salman	2020	Egypt	P	71	SG	Yes	NA	NA	Yes	Yes	Yes	30
32124215	Nikai	2020	Japan	R	28	SG	Yes	Yes	Yes	Yes	Yes	No	24
32360804	Bazerbachi	2020	United States	P	20	IGB	Yes	Yes	Yes	No	Yes	Yes	6
29126863	Garg	2018	India	P	32	RYGB, LAGB, SG	Yes	Yes	Yes	Yes	NA	Yes	12
27697327	Manco	2017	Italy	P	20	SG	Yes	Yes	Yes	Yes	Yes	No	12
27405478	Aldoheyan	2017	Saudi Arabia	P	27	SG	Yes	Yes	Yes	Yes	Yes	No	3
26077701	Froylich	2016	United States	R	25	RYGB, SG	Yes	Yes	Yes	Yes	Yes	Yes	18
27594839	Schneck	2016	France	P	9	RYGB	Yes	Yes	Yes	Yes	Yes	Yes	55
25537957	Taitano	2015	United States	R	160	RYGB, LAGB	Yes	NA	Yes	Yes	NA	Yes	31
26003897	Praveen Raj	2015	India	P	30	RYGB, SG	Yes	Yes	Yes	Yes	Yes	No	6
25917783	Lassailly	2015	France	P	30	RYGB, LAGB, BPD, SG	Yes	Yes	Yes	Yes	Yes	No	12
25379859	Caiazzo	2014	France	P	413	RYGB, LAGB	Yes	NA	Yes	Yes	Yes	NA	60
22161114	Tai	2012	Taiwan	P	21	RYGB	Yes	Yes	Yes	Yes	Yes	Yes	12
23355916	Vargas	2012	Spain	P	26	RYGB	Yes	Yes	Yes	Yes	Yes	No	16
22108808	Moretto	2012	Brazil	R	78	OAGB	Yes	Yes	Yes	Yes	NA	Yes	NA
20460923	Weiner	2010	Germany	R	116	RYGB, LAGB, BPD	Yes	NA	Yes	Yes	NA	No	19.4
19409898	Mathurin	2009	France	P	211	RYGB, LAGB, BPD	Yes	Yes	No	No	Yes	Yes	60
17376042	Furuya	2007	Brazil	P	18	RYGB	Yes	Yes	Yes	Yes	Yes	No	24
16076987	Clark	2005	United States	R	16	RYGB	Yes	Yes	Yes	Yes	Yes	No	10.2

¹Did the parameter improve after the bariatric operation?

²Did any patient experience worsening in any of the parameters after the bariatric operation?

BPD: Biliopancreatic diversion with duodenal switch; IGB: Intragastric balloon placement; LAGB: Laparoscopic adjustable gastric banding; NA: Not available; OAGB: One-anastomosis gastric bypass; P: Prospective; R: Retrospective; RYGB: Roux-en-Y gastric bypass; SG: Sleeve gastrectomy.