Der Unfallchirurg
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Avulsion injuries of the gluteus medius and gluteus minimus muscles represent a diagnostic and therapeutic challenge. Such injuries are rarely to be expected in high-energy trauma. Degenerative damage or iatrogenic injuries in the context of hip surgery are more frequently identified as the cause. ⋯ Therapeutically, a stepwise approach is indicated according to the extent of rupture and quality of the gluteal tendon and muscle tissues. Specific conservative training regimens, mini-open/endoscopic anatomic reconstruction techniques in cases of gluteal muscle integrity and muscle transfer techniques as salvage option with chronic mass ruptures are available. The common goal is the restoration of everyday occupational and private activities to regain the quality of life.
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Injuries to the hamstring muscles and tendon complex are among the most frequent muscular injuries with proximal hamstring tendon avulsion being a particularly severe form. The surgical treatment of these injuries is superior to conservative management with respect to patient satisfaction, recovery of muscle strength and function as well as return to sport rates. It is therefore the method of choice. ⋯ All available anchors systems provide good to excellent clinical outcomes and an explicit advantage for one anchor system could so far not be shown.
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Injuries of the thigh muscles are among the most frequent sports injuries. For example, in soccer they represent nearly 30% of all injuries. The rectus femoris muscle is particularly exposed to injury due to its anatomical features. While distal ruptures involve the quadriceps tendon and are among the more frequent injuries not only in sports, proximal ruptures represent a rarity. Because of the mostly indifferent clinical signs, the diagnosis is often delayed. In the literature various versions of classifications on the grading of muscle injuries have been described. ⋯ The comparison of the individual studies is made difficult due to the low case numbers and nonuniform classification systems. A valid treatment algorithm can only be derived with difficulty based on the currently available data.
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Avulsion injuries of the tendon-bone junction of the adductor longus are rare. Avulsions of the iliopsoas tendon insertion on the lesser trochanter are even rarer. Avulsion injuries of the adductor insertion occur predominantly in active athletes. ⋯ Reinsertion for adductor longus tendon avulsion injuries is usually performed by open repair using various anchor systems, while extensive avulsion injuries or non-unions of the apophysis of the lesser trochanter are treated by refixation by cannulated screw systems or resection and anchor refixation of the tendon. The postoperative outcome in most cases is described as good or very good (excellent). No major complications were reported in both groups.
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Avulsion injuries of the proximal hamstring muscles are rare but very severe injuries to the dorsal thigh musculature. ⋯ In view of the poor results of nonsurgical treatment and the clearly positive reports of surgical success, open refixation is recommended for recent proximal hamstring ruptures.