Abstract

The purpose - to analyze computerized tomography data in patients with recurrent shoulder instability for signs of glenoid dysplasia. Methods. We studied the diagnostic data and the results of surgical treatment of 168 patients (137 men and 31 women) mostly of young age (under 30 years) who addressed to the clinic during the period from 2010 to 2014 with the symptoms of recurrent anterior shoulder instability. A risk group has been defined with alleged glenoid dysplasia in the amount of 27 patients who were studied by glenoid dimensions (height, width, area), glenoid version (anteversion, retroversion) and inclination angle of the glenoid. Results. In 22 cases, there has been a change in the normal anatomy of the glenoid as its excessive anteversion, increased angle of inclination, and decrease of its absolute area. Research has identified a pathogenic role of changes in the normal anatomy of the glenoid because recurrence of chronic instability in some cases after surgery, as well as in cases of nontraumatic instability in patients without anatomic lesions. Conclusions. Dysplastic changes of bony structures of the shoulder represent the risk factor for recurrent instability and can serve as one of the causes of recurrence after surgical treatment. When choosing a treatment strategy in patients of modern population is advisable to suggest the possible presence of dysplastic changes glenoid. In the event of recurrence after surgical treatment is shown holding computerized tomography to rule out dysplastic changes.

Highlights

  • We studied the diagnostic data and the results of surgical treatment of 168 patients (137 men and 31 women) mostly of young age who addressed to the clinic during the period from 2010 to 2014 with the symptoms of recurrent anterior shoulder instability

  • A risk group has been defined with alleged glenoid dysplasia in the amount of 27 patients who were studied by glenoid dimensions, glenoid version and inclination angle of the glenoid

  • In 22 cases, there has been a change in the normal anatomy of the glenoid as its excessive anteversion, increased angle of inclination, and decrease of its absolute area

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Summary

Материал и методы

Проспективно и ретроспективно было изучено 168 пациентов (137 мужчин и 31 женщина) преимущественно молодого возраста (до 30 лет), обратившихся за медицинской помощью в ФГБУ «ННИИТО им Я.Л. Всем пациентам назначалась рентгенография в стандартных укладках, МРТ, а при подозрении на наличие костных повреждений – КТ плечевого сустава в объеме подготовки к плановому оперативному лечению. При выявлении больших костных дефектов переднего края суставного отростка лопатки выполняли операцию Латарже из мини-доступа либо восстановление дефекта с помощью аутотрансплантата из гребня подвздошной кости. Имевшим рецидивы нестабильности, ранее проводилось оперативное лечение в объеме атроскопической якорной фиксации суставной губы лопатки. Пациенты без выявленных повреждений анатомических структур плечевого сустава, а также имевшие рецидивы нестабильности после оперативного лечения, были выделены нами в группу (27 пациентов) с предполагаемой дисплазией гленоида. У этой группы пациентов мы изучали свойства гленоида лопатки, изменение которых способно повлиять на стабильность плечевого сустава, а именно размеры гленоида (высота, ширина, площадь), поворот (антеверсия, ретроверсия) и угол наклона.

Мышцы ВМП
Отсутствие анатомических повреждений
Результаты исследования
Избыточный угол наклона гленоида
Уменьшение площади гленоида
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