Long-term outcomes of the four-corner fusion of the wrist: A systematic review

Table 2 Demographics, surgical techniques and patient-reported outcomes

Author	Year	Study design	Number of wrists	Indication	Mean age (yr)	Fixation Technique	VAS		DASH		MINORS (%)
							Preop	Postop	Preop	Postop
Cha SM	2013	Retrospective case series	40	SLAC	47	K-wires	6.3	2.0	44	17	75
Luegmair M	2012	Retrospective case series	24	SLAC, SNAC, SCAC	53	Plates	-	-	-	19	75
Bain GI	2010	Prospective cohort study	31	SLAC	47	Staples	6.0	1.0	-	-	87
Berkhout MJL	2015	Retrospective cohort study	8	SLAC, SNAC	45	K-wires	-	0.3	-	-	62
Kitzinger HB	2003	Retrospective case series	37	SLAC, SNAC	46	K-wires	2.7	1.7	-	24	62
Trail I	2015	Retrospective case series	116	SLAC, SNAC	47	K-wires, Plates, Staples, Screws	-	1.9	-	37	62
Neubrech F	2012	Retrospective case series	60	SLAC, SNAC, unclassified OA	63	K-Wires	-	1.4	-	20	87
Odella S	2018	Retrospective case series	20	SLAC, SNAC	53	Plates	-	2.0	-	17	62
Traverso P	2017	Retrospective case series	15	SLAC, SNAC	49	K-wires	-	-	-	8	62
Wagner ER	2017	Retrospective cohort study	51	Unclassified OA	34	Plates	-	-	-	19	75
Williams J	2018	Retrospective cohort study	61	SLAC, SNAC, perilunate OA	52	K-wires, Plates, Screws	-	1.0	-	27	50
Total/Averages			463		49			1.4		21	69
SD					± 7			± 0.6		± 8	± 11

SD: Standard deviation; VAS: Visual analog scale; DASH: Disabilities of the Arm, Shoulder and Hand questionnaire; SLAC: Scapholunate advanced collapse; SNAC: Scaphoid nonunion advanced collapse; SCAC: Scaphoid chondrocalcinosis advanced collapse; MINORS: Methodological items for non-randomized studies; OA: Osteoarthritis; K-wires: Kirschner wires.