Evidence-based appraisal in laparoscopic Nissen and Toupet fundoplications for gastroesophageal reflux disease

Table 1 LNF and LTF in treatment of patients with gastroesophageal reflux disease

Data source	Design	PF (º)	Sample capacity (LNF/LTF)	Group or subg. depend on EM	Follow-up (mo)	Level of evidence
Mickevicius et al[22], 2008	RCT	200-270	76/77	No detail	12	1b Level A
Fibbe et al[23], 2001
Zornig et al[24], 2002	RCT	270	100/100	More subgroups	24	1b Level A
Strate et al[16], 2008
Chrysos et al[25], 2003	RCT	270	14/19	Both abnormal	12	2b Level B
Guérin et al[26], 2007	RCT	270	77/63	Normal-Nissen/Abnormal-Toupet	36	1b Level A
Laws et al[10], 1997	RCT	200	23/16	Both normal	27.2	2b Level B
Shaw et al[27], 2010	RCT	270	50/50	No detail	> 55	1b Level A
Booth et al[21], 2008	RCT	270	64/63	No detail	12	1b Level A
Coster et al[28], 1997	PCT	No detail	125/101	No detail	12	2b Level B
Granderath et al[29], 2007	PCT	270	28/28	Both normal	3	3b Level B
Wykypiel et al[30], 2008	PCT	300	20/20	Normal-Nissen/Abnormal-Toupet	6	3b Level B
Hunter et al[31], 1996	PCT	180-300	101/83	Both normal	3	3b Level B
Bessell et al[17], 2000	PCT	200-270	761/85	More subgroups	12	2b Level B
Radajewski et al[32], 2009	PCT	No detail	51/43	No detail	12	2b Level B
Kamolz et al[33], 2000	PCT	No detail	107/68	No detail	60	2b Level B
Kamolz et al[11], 2002
Sgromo et al[34], 2008	RT	No detail	150/116	No detail	72	2b Level B
Erenoğlu et al[35], 2003	RT	270	118/26	Normal-Nissen/Abnormal-Toupet	27.5	2b Level B
Herbella et al[20], 2007	RT	240	55/16	More subgroups	16	3b Level B
Wetscher et al[12], 1997	RT	No detail	17/32	Normal-Nissen/Abnormal-Toupet	15	3b Level B
Fernando et al[36], 2002	RT	270	163/43	No detail	19.7	2b Level B
Wykypiel et al[37], 2005	RT	300	77/132	Normal-Nissen/Abnormal-Toupet	52	2b Level B
McKernan et al[38], 1994	RT	180-200	14/14	No detail	> 3.4	3b Level B
Fein et al[45], 2008	RT	No detail	88/10	Normal-Nissen/Abnormal-Toupet	120	2b Level B
Patti et al[39], 2004	RT	240	216/141	More subgroups	> 23	2b Level B
Zügel et al[9], 2002	RT	270	40/122	No detail	19	2b Level B
Pessaux et al[40], 2000	RT	180	1078/392	No detail	24	2b Level B
Bell et al[41], 1996	RT	180	11/11	No detail	13	4 Level C
Lund et al[42], 1997	RT	270	16/46	Both abnormal	6	3b Level B
Farrell et al[43], 2000	RT	270	293/52	More subgroups	12	3b Level B
Heider et al[44], 2003	RT	270	15/4	Both abnormal	29.5	4 Level C

LNF: Laparoscopic Nissen fundoplication; LTF: Laparoscopic Toupet fundoplication; PF: Circumferential degrees of the partial wrap; Subg.: Subgroup; EM: Esophageal motility; RCT: Randomized controlled trial; PCT: Prospective controlled trial; RT: Retrospective trial.