Calcific tendinitis of the shoulder in the Korean population: demographics and its relation with coexisting rotator cuff tear

Abstract

Background: To evaluate the demographics, clinical and radiographic features of calcific tendinitis of the shoulder in the Korean population, specifically focusing on the incidence of coexisting rotator cuff tear.Methods: Between October 2014 and January 2015, we performed a prospective multicenter study with 506 patients from 11 training hospitals in Korea. We collected data of demographics and radiographic analysis based on simple radiographs, clinical assessments based on visual analog scale (VAS) and the American Shoulder Elbow Surgeons (ASES) score, and treatment modalities that are used currently. We also evaluated coexisting rotator cuff tear by ultrasonography (US) or magnetic resonance imaging (MRI) images. Results: There were 402 female patients (79%) with mean age of 55 years (range, 31–87 years). Mean duration of symptoms was 15.5 months. Mean size of calcific materials was 11.4 mm (range, 0.9-35). Mean value of VAS and ASES scores were 6.5 (range, 1–10) and 47 (range, 8–95), respectively. Of 383 patients (76%), 59 (15%) had rotator cuff tear including 15 full-thickness tears on US or MRI. Patients with rotator cuff tears were significantly associated with older age, recurrent symptoms, menstrual disorders in females, and having undergone calcification removal surgery and rotator cuff repair (all P<0.05).Conclusions: This study reported demographic, radiographic, and clinical features of calcific tendinitis of the shoulder in Korean population, which were not different from those of Western population. Coexisting rotator cuff tear was found with 15% incidence in this large series, suggesting that further radiographic study to evaluate rotator cuff tear might be needed in some calcific tendinitis patients of older age and presenting with recurrent symptoms.

Risk Factor Analysis for Predicting the Onset of Rotator Cuff Calcific Tendinitis Based on Artificial Intelligence

“…The female gender, especially those aged 30–60 years, is a more susceptible cohort for RCCT compared with the male gender. As found in previous reports, RCCT occurs more frequently in women, accounting for approximately 52%–79% of the total incidence [ 24 – 26 ]. Our study is consistent with published findings that a 72.57% prevalence rate confirms that women suffer from more pain.…”

Is common the rotator cuff tear in the calcific tendinitis?

“…Even though the main cause of shoulder pain was calcific deposits, rotator cuff tear could be a cause of symptomatic shoulder pain. In this study, the authors [4] suggested that a poor prognosis was shown by patients with persistent symptoms, old age, patients with recurring symptoms, and patients with menstrual irregularities further radiographic study to evaluate rotator cuff tear might be needed in some calcific tendinitis patients with older age and recurrent symptoms.…”

“…In a study by Yoo et al [4] entitled "Calcific tendinitis of the shoulder in the Korean population: demographics and its relation with coexisting rotator cuff tear" the authors investigated the demographic, clinical, and radiological factors of calcific tendinitis of the shoulder joint in a large number of Koreans and calculated the prevalence of rotator cuff tear associated with calcific tendi-nitis. This was a multicenter study involving a large population.…”

Evaluation of Serum Calcium, Phosphorus and Vitamin D Levels and History of Calcium and Vitamin D Supplementation in Patients with Calcified Shoulder Tendinopathy

“…CT may be due to incorrect differentiation of mesenchymal stem cells in the presence of high serum glucose levels (13). Radiography, sonography and magnetic resonance imaging (MRI) can be used to view calcium deposits (1,3,14,15). Limited studies have been performed on the cause and treatment of this disease.…”