الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Lesions of the rotator cuff (RC) are a common occurrence affecting millions of people across all parts of the globe. RC tears are also rampantly prevalent with an age-dependent increase in numbers. Other associated factors include a history of trauma, limb dominance, contralateral shoulder, smoking-status, hypercholesterolemia, posture and occupational dispositions. The challenge lies in early diagnosis since a high proportion of patients are asymptomatic. Pain and decreasing shoulder power and function should alert the heedful practitioner in recognizing promptly the onset or aggravation of existing RC tears.
The aim of this work was to conduct a systematic review about arthroscopic repair and met analyze outcomes in patients with large full thickness rotator cuff tear.
The literature search identified 50 studies for consideration in which 10 studies were excluded for duplication; however, 7 studies were excluded following abstract screening. For the remaining studies, examination of the full-text manuscripts was conducted, and only 9 of the 33 articles met all eligibility criteria and were included in the analysis.
Our meta-analyses showed that the pooled estimate for all nine studies utilizing a fixed effect model demonstrated significant differences in gap size in the double standard that was be superior with significant value.
The decreased contact pressure and force after rotator cuff repair may have important implications in the evaluation and determination of the optimal rehabilitation protocol. The double-row reconstruction could be used as an alternative to open reconstruction for the treatment of isolated tears. It improved initial strength and stiffness and decreased gap formation and strain .It had a significantly higher ultimate tensile load.
The high-tension double-row repair is better than the medialized single-row construct so when possible, a retracted tear should be repaired with a double-row construct.
The double-row rotator cuff repair had greater footprint coverage, less rotational footprint displacement and a greater mean ultimate failure load.
Differences in cuff fixation influence rotational tendon movement and may influence postoperative healing. When choosing a repair technique, other factors such as number of sutures in the repair should be considered to judge the strength of the repair.