PyProtif: a PyMol plugin to retrieve and visualize protein motifs for structural studies.

Proteins often possess several motifs and the ones with similar motifs were found to have similar biochemical properties and thus related biological functions. Thereby, multiple databases were developed to store information on such motifs in proteins. For instance, PDBsum stores the results of Promotif's generated structural motifs and Pfam stores pre-computed patterns of functional domains.

Treatment of tibial shaft nonunion with a retained nail in morbidly obese patients.

Purpose: Morbid obesity is a rising worldwide health problem. Tibial shaft nonunion with retained intramedullary nail (IMN) in the morbidly obese is a challenging orthopaedic problem. Prolonged immobilization carries a significant risk of complications.

Tibial shaft fractures in the adolescents: treatment outcomes and the risk factors for complications.

Background: Tibial shaft fractures are common injuries in the adolescent age group. The optimal method of treatment in this age group is still controversial. It relies on several factors including patient's age, fracture pattern, fracture location, and the condition of the soft tissue envelope.

Outcomes and Complications With Treatment of Open Tibial Plafond Fractures With Circular External Fixator.

Background: Open tibial plafond fractures (Orthopaedic Trauma Association and AO Foundation [OTA/AO] 43) are associated with severe complications, including deep infection (closed fractures, 20%; open fractures, 30%), amputation (3%-14%), and nonunion (up to 25%). Circular external fixators (CEFs) can minimize soft tissue injury. This study aimed to report the rate of union and occurrence of severe complications in patients with open tibial plafond fractures treated with CEFs.

Early correction of malunited supracondylar humerus fractures in young children.

Introduction: Supracondylar fracture malunion usually results in cubitus varus deformity. The long-standing unsightly deformity causes psychological stress to the child and his/her parents in addition to biomechanical disturbances and functional disorders in the affected elbow. The optimal timing of corrective osteotomy is not well-established in the literature.

Tibial Tray with a Stem: Does It Have Any Role in Primary Cemented Total Knee Replacement?

Over many decades, total knee replacement (TKR) has become the ideal treatment option for advanced arthritis. Many designs were introduced to increase the stability of the tibial tray, hence the longevity of the prosthesis. This retrospective study was performed on 168 patients who received NexGen cemented primary total knee either with standard tibial tray (group A) or tibial tray with an intramedullary stem (group B) between May 2008 and May 2017.

Modified technique for reconstructing reverse Hill-Sachs lesion in locked chronic posterior shoulder dislocation.

Background: Among the uncommon and frequently missed orthopedics injuries is the posterior shoulder dislocation, accounting for about 2-4 % of all shoulder dislocations. Commonly, it is associated with the well-known reverse Hill-Sachs lesion. Several surgical treatment modalities such as transfer of subscapularis tendon or lesser tuberosity, humeral rotational osteotomy, osteochondral grafts were used to repair this defect.

Ilizarov distraction osteogenesis over the preexisting nail for treatment of nonunited femurs with significant shortening.

Purpose: Nonunion of the femur with significant shortening with retained intramedullary nail (IMN) is a challenging orthopedic problem. We investigated whether the application of Ilizarov distraction osteogenesis over the preexisting nail can simultaneously achieve union and correct shortening.

Methods: Thirteen patients with femoral diaphyseal nonunion associated with significant shortening with retained IMN were retrospectively reviewed.

Our experience in the management of segmental bone defects caused by gunshots.

Purpose: Bone and soft-tissue defects in the leg can be caused by high-energy trauma. One of the causes of extensive bone defects are gunshot injuries. The incidence of these has been noticeably increasing in recent years in countries with political instabilities due to the random availability of weapons.

Flexor hallucis longus tendon transfer in the reconstruction of extensive insertional Achilles tendinopathy in elderly: an improved technique.

Background: Insertional Achilles tendinopathy is a degenerative disease associated with disabling posterior heel pain, gait dysfunction and significant morbidity. The aim of this prospective study was to evaluate the outcomes of complete excision of the pathological tendo-achilles segment in elderly patients with extensive involvement, and reconstructing the defect using a modified technique which was proposed to allow early weight-bearing and rehabilitation.

Patients And Methods: Thirteen patients (mean age 58.