Hearing impairment caused by mutations in two different genes responsible for nonsyndromic and syndromic hearing loss within a single family.

Usher syndrome is rare genetic disorder impairing two human senses, hearing and vision, with the characteristic late onset of vision loss. This syndrome is divided into three types. In all cases, the vision loss is postlingual, while loss of hearing is usually prelingual.

[Long-term functional outcomes of periprosthetic ossification post-total primary and revision hip arthroplasty].

Authors present long-term functional outcomes of acquired peri-prosthetic ossifications complicating primary and revision hip arthroplasty. Aim of the paper was realized based on clinical material of 1995-2005, 142 patients was included to the study, 64 (45.1%) men and 78 (54.

[Femur periprosthetic fracture complicating revision hip arthroplasty-outcomes of treatment and rehabilitation].

Authors have done evaluation of treatment outcomes of femur periprosthetic fractures complicating cemented revision hip arthroplasty. It was done based on clinical material aged from 1996 to 2006. 16 patients with femur intraoperative peri-prosthetic fractures complicating cemented revision hip arthroplasty were included to the study.

[Proximal humerus fractures analysis of treatment and rehabilitation outcomes].

The authors make evaluation of functional outcomes proximal humerus fractures depending on applied method using Constant-Murley score in own modification. The clinical material of 1980-2004 years were 93 cases, 41 male (44.1%) and 52 female (55.