Increased stride time variability is associated with a higher risk of falls in patients with ataxia after stroke.

Introduction: Patients presenting with ataxia are at high risk of falling, however, there are limited studies evaluating fall factors restricted to patients presenting with ataxia due to stroke.

Purpose: This study aimed to examine the characteristics of patients with ataxia after stroke based on their motor function to identify variables associated with fall occurrence.

Methods: We divided 33 participants who presented with ataxia after stroke into fall and non-fall groups.

Hindfoot Alignment and Ankle Stability Following Arthroscopic Lateral Ankle Ligament Repair.

Background: Hindfoot varus deformity is a known risk factor for chronic lateral ankle instability (CLAI). The impact of this deformity on clinical results following arthroscopic lateral ankle ligament repair (ALLR) for CLAI has not been studied.

Methods: Sixty-three ankles from 62 patients who received ALLR for CLAI were retrospectively examined.

Anterior talofibular ligament remnant quality is important for achieving a stable ankle after arthroscopic lateral ankle ligament repair.

Purpose: The relationship between ligament remnant quality and postoperative outcomes after arthroscopic lateral ankle ligament repair for chronic lateral ankle instability is controversial. This study aimed to determine whether the signal intensity of the anterior talofibular ligament on preoperative magnetic resonance imaging and ligament remnant quality identified on arthroscopy are associated with recurrent ankle instability after arthroscopic lateral ankle ligament repair.

Methods: A total of 68 ankles from 67 patients with chronic lateral ankle instability who underwent arthroscopic lateral ankle ligament repair were retrospectively studied.

Varus-Tilted Distal Tibial Plafond Is a Risk Factor for Recurrent Ankle Instability After Arthroscopic Lateral Ankle Ligament Repair.

Background: Although varus-tilted distal tibial deformity is an established risk factor for chronic lateral ankle instability (CLAI), no studies have reported whether this deformity influences ankle instability after arthroscopic lateral ankle ligament repair (ALLR) for CLAI.

Methods: A total of 57 ankles from 57 patients who underwent ALLR for CLAI were retrospectively analyzed. Tibial articular surface (TAS) angles were measured on preoperative plain radiograph.

How does the postoperative medial arch height influence the patient reported outcomes of stage Ⅱ acquired adult flatfoot deformity?

Background: This study aimed to assess how the postoperative medial arch height influenced postoperative patient-reported clinical outcomes after surgery for stage Ⅱ acquired adult flatfoot deformity.

Methods: A total of 30 feet of 30 patients (7 males, 23 females) who underwent surgery for stage Ⅱ acquired adult flatfoot deformity and could be followed up for at least 2 years were included. The average age at surgery was 60.

Nonunion of a medial malleolar stress fracture in an adolescent athlete secondary to lateral ankle instability: A case report.

Introduction: Medial malleolar stress fractures are relatively uncommon. This report describes the successful treatment of nonunion of a medial malleolar stress fracture due to chronic lateral ankle instability.

Presentation Of Case: A 13-year-old middle school student who belonged to a football club presented to our clinic with chronic medial left ankle pain lasting over a year.

Intra-articular administration of EP2 enhances the articular cartilage repair in a rabbit model.

We have reported the usefulness of chondrocyte sheets on articular cartilage repair in animal experiments. Here, we investigated the regenerative effects of EP2 signalling with or without chondrocyte sheets. Forty-five rabbits were used, with six rabbits in each of the six groups and nine rabbits for chondrocytes and synovial cells harvesting to fabricate triple-layered chondrocyte sheets: osteochondral defect only (control, Group A), EP2 agonist (Group B), EP2 antagonist (Group C), chondrocyte sheets (Group D), EP2 agonist and chondrocyte sheets (Group E), and EP2 antagonist and chondrocyte sheets (Group F).

Rabbit xenogeneic transplantation model for evaluating human chondrocyte sheets used in articular cartilage repair.

Research on cartilage regeneration has developed novel sources for human chondrocytes and new regenerative therapies, but appropriate animal models for translational research are needed. Although rabbit models are frequently used in such studies, the availability of immunocompromised rabbits is limited. Here, we investigated the usefulness of an immunosuppressed rabbit model to evaluate directly the efficacy of human chondrocyte sheets through xenogeneic transplantation.

Effects of a cell-free method using collagen vitrigel incorporating TGF-β1 on articular cartilage repair in a rabbit osteochondral defect model.

We studied the ability of collagen vitrigel material to repair cartilage in vivo when used alone or with transforming growth factor-β (TGF-β). We measured the time course and quantity of TGF-β1 released from the collagen vitrigel in vitro to quantify the controlled release of TGF-β1. Over 14 days, 0.