Does coracoclavicular augmentation additional to hook plate fixation provide benefits in acute unstable acromioclavicular dislocation? A meta-analysis

Table 1 Details of studies on hook plate fixation with or without coracoclavicular augmentation for acromioclavicular dislocation

Study	Study design	Treatment	Sex (M/F)	Rockwood type (III/ V)	Injury to Surgery	Age (y)^a	Time for implant removal^a	Follow-up (m)^a	Outcome measures	Quality assessment
Yin 2018 [38]	RCT	HP only	18/7	16/10	< 6 weeks	44.5 ± 12.3	12.9 ± 1.8 mo	21.3 ± 2.0	VAS/ASES/CMS/Karlsson score/ patient satisfaction	3^b
Yin 2018 [38]	RCT	CCHP	20/6	14/11	< 6 weeks	46.3 ± 11.9	4.9 ± 1.2 mo	19.9 ± 2.9	VAS/ASES/CMS/Karlsson score/ patient satisfaction	3^b
Chang 2019 [39]	RCS	HP only	16/10	12/14	< 2 weeks	50 (24–69)	6 (3–12) mo	11 (9–27.1)	VAS/UCLA/ASES/Return to work	7^c
Chang 2019 [39]	RCS	CCHP	15/6	7/14	< 2 weeks	44 (21–81)	6 (5–10) mo	9.5 (9–11.4)	VAS/UCLA/ASES/Return to work	7^c
Liu 2020 [41]	RCS	HP only	–	0/112	< 2 weeks	46 (19–75)	102.8 (89–116) d	6 (after implant removal)	VAS/CMS	7^c
Liu 2020 [41]	RCS	CCHP	–	0/105	< 2 weeks	50 (18–62)	101.3 (86–118) d	6 (after implant removal)	VAS/CMS	7^c
Seo 2020 [42]	RCS	HP only	38/9	26/21	< 2 weeks	44.6 ± 15.4	4.2 ± 0.7 mo	18.7 ± 6.2	ASES/KSS/CMS	7^c
Seo 2020 [42]	RCS	CCHP	65/8	34/39	< 2 weeks	46.9 ± 12.6	4.0 ± 1.0 mo	18.1 ± 4.8	ASES/KSS/CMS	7^c
Chen 2021 [40]	RCS	HP only	15/4	9/10	< 4 weeks	44.5 ± 15.4	5.3 ± 1.5 mo	38.5 ± 24.9	VAS/CMS/UCLA/Taft score	8^c
Chen 2021 [40]	RCS	CCHP	13/6	10/9	< 4 weeks	46.4 ± 16.4	5.7 ± 1.6 mo	2.6 ± 21.7	VAS/CMS/UCLA/Taft score	8^c

RCS retrospective case–control study, RCT randomized controlled trial, CCHP coracoclavicular augmentation with hook plate fixation, HP hook plate, mo month, d day, VAS visual analog scale score for pain, UCLA University of California at Los Angeles shoulder rating scale score, ASES American Shoulder and Elbow Surgeons score, KSS Korean shoulder score, CMS Constant–Murley score
^aMean ± standard deviation and Mean (range) are given for these variables
^bAssessed using the Jadad scale
^cAssessed using the Newcastle–Ottawa scale

ISSN: 1471-2474