■肩袖撕裂患者的肩袖肌肉脂肪浸润(FI)是确定手术适应症的重要影像学因素。然而,FI等级与相邻肩袖撕裂的大小或位置之间的关联尚不清楚.这项研究旨在主要确定泪液的大小和位置,尤其是SSc肌腱,与相邻肩袖肌肉的FI相关。次要目的是阐明肩袖撕裂病例中哪些患者因素与肩袖肌肉FI相关。
■这项研究检查了348例接受关节镜肩袖手术的患者(男性264例,女性109例;平均年龄62.8岁)的373名肩膀。冈上肌(SSP)的FI等级,冈底(ISP),使用经Fuchs修改的Goutallier分类,使用术前磁共振成像(MRI)评估肩胛骨下(SSc)肌肉。根据术前MRI及术中发现,后上肩袖撕裂大小(SSP-ISP)采用改良的Cofield分类六级量表进行分类,根据Lafosse分类法,使用六级量表对SSc撕裂进行分类。手术的年龄,性别,体重指数(BMI),存在糖尿病(DM)或高脂血症(HL),外伤史,和症状的持续时间进行了调查。
■SSP的FI等级,ISP,和SSc与这些肌肉的眼泪大小显着相关(均P<0.01)。此外,SSP和ISP的FI等级与SSc泪液大小显着相关(P<0.01),SSc的FI等级与SSP-ISP泪液大小显著相关(P<0.01)。手术患者年龄与FI等级显著相关(P<0.01),随着年龄的增长,FI等级显着进步。然而,FI等级和性别之间没有显着关联,BMI,DM或HL的存在,外伤史,和症状的持续时间。
■每个肩袖肌肉的FI等级不仅受相关肌肉的撕裂严重程度的影响,而且受相邻肩袖中任何撕裂的严重程度的影响。
UNASSIGNED: Fatty infiltration (FI) of rotator cuff muscles in patients with rotator cuff tears is an important imaging factor for determining surgical indications. However, the associations between FI grade and the size or location of adjacent rotator cuff tears are not well-known. This study aimed to primarily determine whether tear size and location, especially for the SSc tendon, are associated with FI of adjacent rotator cuff muscles. The secondary aim was to clarify which patient factors are associated with rotator cuff muscle FI in rotator cuff tear cases.
UNASSIGNED: This study examined 373 shoulders of 348 patients (264 males and 109 females; mean age of 62.8 years) who underwent arthroscopic rotator cuff surgery. The FI grades of the supraspinatus (SSP), infraspinatus (ISP), and subscapularis (SSc) muscles were assessed using preoperative magnetic resonance imaging (MRI) using the Goutallier classification modified by Fuchs. According to the preoperative MRI and intraoperative findings, the tear size of the posterior-superior rotator cuff (SSP-ISP) was classified using a modified six-grade scale of the Cofield classification, and that of the SSc tear was classified using a six-grade scale according to the Lafosse classification. Age at surgery, sex, body mass index (BMI), presence of diabetes mellitus (DM) or hyperlipidemia (HL), trauma history, and duration of symptoms were investigated.
UNASSIGNED: The FI grades of the SSP, ISP, and SSc were significantly associated with the size of the tears in those muscles (all P < 0.01). Furthermore, the FI grades of the SSP and the ISP were significantly associated with SSc tear size (P < 0.01), and the FI grade of the SSc was significantly associated with SSP-ISP tear size (P < 0.01). Patient age at surgery was significantly associated with FI grade (P < 0.01), with significant progression of the FI grade with advancing age. However, there were no significant associations between the FI grade and sex, BMI, presence of DM or HL, trauma history, and duration of symptoms.
UNASSIGNED: The FI grade of each of the rotator cuff muscles is affected by not only the tear severity of the muscle concerned but also by the severity of any tear in the adjacent rotator cuff.