Amir R. Kachooei

Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran

[ 1 ] - Bilateral Arm-Abduction Shoulder Radiography to Determine the Involvement of the Scapulothoracic Motion in Frozen Shoulder

  Background: We hypothesize that there is no difference in the motion of the scapula with respect to the thoracic wall (scapulothoracic interface) between the affected versus non-affected shoulder on 0° and 90° standard arm abduction radiography. Methods: We enrolled 30 patients with the diagnosis of unilateral frozen shoulder after ruling out of other pathologies. Bilateral standard should...

[ 2 ] - Evaluation of Radiocapitellar Arthritis in Patients with a Second Radiograph at Least 2 Years after Nonoperative Treatment of an Isolated Radial Head Fracture

Background: To study if patients that have a second radiograph 2 or more years after nonoperative treatment of an isolated radial head fracture have radiocapitellar osteoarthritis (RC OA). Methods: We used the database of 3 academic hospitals in one health system from 1988 to 2013 to find patients with isolated radial head fractures (no associated ligament injury or fracture) that had a second ...

[ 3 ] - Massive Emphysema and Pneumothorax Following Shoulder Arthroscopy under General Anaesthesia: A Case Report

The patient was a 61-year-old female with massive rotator cuff tear who had no history of smoking, COPD, asthma, or other pulmonary diseases. Four hours following shoulder arthroscopy, the patient developed progressive dyspnea, which was diagnosed as pneumothorax with subcutaneous emphysema extending to the neck and face. Chest tube was inserted promptly. The patient was discharged with a good ...

[ 4 ] - Persistent Medial Subluxation of the Ulna with Radiotrochlear Articulation

Two patients-one with a terrible triad fracture dislocation and one with an anterior olecranon fracture dislocation—weretreated for maltracking of the elbow (medial subluxation). The radial head articulated with the lateral trochlea while theulnar trochlear notch was perched over the medial trochlea. The late revision surgery could not correct the subluxationbecause the joints were accustomed t...

[ 5 ] - Psychometric Properties of the Persian Version of the Simple Shoulder Test (SST) Questionnaire

  Background: To validate the Persian version of the simple shoulder test in patients with shoulder joint problems.   Methods: Following Beaton`s guideline, translation and back translation was conducted. We reached to a consensus on the Persian version of SST. To test the face validity in a pilot study, the Persian SST was administered to 20 individuals with shoulder joint conditions. We enrol...

[ 6 ] - High Tibial Osteotomy: A Systematic Review and Current Concept

High tibia osteotomy is a common procedure in orthopedic surgery. A precise overview on indications, patients selection, pre-operative planning, surgical technique, methods of fixation, and complications have been presented. This paper focused on the points that should be considered to achieve good long-term outcomes. High tibia osteotomy is a common procedure in orthopedic surgery. A precise o...

[ 7 ] - Factors Associated with Operative Treatment of De Quervain Tendinopathy

Background:  Geographic and doctor-to-doctor variations in care are a focus of quality and safety efforts in medicine. This study addresses factors associated with variation in the rate of operative treatment of de Quervain tendinopathy.   Methods: We used a database including all patient encounters at 2 large medical centers, to study the experience of 10 hand surgeons and 1 physiatrist workin...

[ 8 ] - Short Form-McGill Pain Questionnaire-2 (SF-MPQ-2): A Cross-Cultural Adaptation and Validation Study of the Persian Version in Patients with Knee Osteoarthritis

  Background: We aimed to develop and validate the Persian version of Short Form McGill Pain Questionnaire-2 (SF-MPQ-2) in patients with knee osteoarthritis. Methods: Translation and back translation was performed using Beaton’s guideline. After a consensus has achieved on the Persian version of SF-MPQ-2, it was administered to 30 patients with knee osteoarthritis in a pilot study. Then, we enr...

[ 9 ] - Outcome Assessment after Aptis Distal Radioulnar Joint (DRUJ) Implant Arthroplasty

Background:  Conventional treatments after complicated injuries of the distal radioulnar joint (DRUJ) such as Darrach and Kapandji-Sauvé procedures have many drawbacks, which may eventually lead to a painful unstable distal ulna.  The development of DRUJ prosthesis has significantly evolved over the past years. In this study, we assessed the outcome results of patients after DRUJ implant arthro...

[ 10 ] - Percutaneous Vertebroplasty in Iranian Patients with Osteoporotic Vertebral Fractures

Background: Osteoporotic compression vertebral fractures are common clinical problems. In those with refractory fractures, percutaneous cement augmentation has been suggested. The aim of this study was to evaluate the functional outcome of percutaneous vertebroplasty in Iranian patients with refractory osteoporotic fractures. Methods: We retrospectively studied 37 osteoporotic fractures in 28 p...

[ 11 ] - Carpal Tunnel Release in Diabetic and Non-Diabetic Patients

Background: Carpal tunnel syndrome (CTS) is a compression neuropathy that causes paresthesia, pain or numbness in the territory of median nerve. The aim of this study is to compare the open surgery outcome and patients` satisfaction in carpal tunnel syndrome among diabetic and non-diabetic patients. Methods: In a retrospective cohort study from April 2011 to June 2012, patients suffered from ca...

[ 12 ] - A Modified Triple Pelvic Osteotomy for the Treatment of Hip Hypoplasia

  Background: The prevalence of hip dysplasia is 1 in 1000. Several pelvic osteotomy methods have been developed to prevent early osteoarthritis, such as triple osteotomy. In this study we are going to introduce our new technique that was done on 4 patients with favorable short-term results.   Methods: Four patients underwent triple osteotomy and fixation using a reconstruction plate and early ...

[ 13 ] - Comparison of Custom-made Versus Prefabricated Thumb Splinting for Carpometacarpal Arthrosis: A Systematic Review and Meta-analysis

Background: The goal of this study was to compare the two types of orthoses, prefabricated soft splints versus shortthermoplastic custom-made splints, that are the most commonly used for the management of first carpometacarpal(CMC) osteoarthritis (OA).Methods: We conducted a meta-analysis and systematic review in the literature based on the Preferred ReportingItems for Systematic Reviews and Me...

[ 14 ] - Effect of Rehabilitation Interventions on Sensation, Function, and Pain of the Patients With Carpal Tunnel Release

Objectives: Carpal Tunnel Syndrome (CTS) is now the most common type of nerve compression neuropathies constituting about (90%) of the neuropathic disorders. To attain the optimal recovery following the operation, a rehabilitation intervention is urgent. This study aims at investigating the efficacy of short and long term rehabilitation interventions following Carpal Tunnel Release (CTR) on mot...

[ 15 ] - Iranian Orthopedic Association (IOA) Response Guidance to COVID-19 Pandemic April 2020

Iranian Orthopedic Community as a part of the national health system feels deeply responsible to take part in the battle against the new coronavirus (COVID-19) pandemic. Although we might not be considered the front-line defenders, we do have a key role in this challenge. As the crisis continues to grow in Iran, the risk of contracting the virus increases with subsequent increase in the number ...

[ 16 ] - Prevalence of Comorbidities in COVID-19 Patients: A Systematic Review and Meta-Analysis

Background: In this study, we aimed to assess the prevalence of comorbidities in the confirmed COVID-19 patients. Thismight help showing which comorbidity might pose the patients at risk of more severe symptoms.Methods: We searched all relevant databases on April 7th, 2020 using the keywords (“novel coronavirus” OR COVID-19OR SARS-CoV-2 OR Coronavirus) AND (comorbidities OR cl...

[ 17 ] - Safety and Efficacy of Casting During COVID-19 Pandemic: A Comparison of the Mechanical Properties of Polymers Used for 3D Printing to Conventional Materials Used for the Generation of Orthopaedic Orthoses

To reduce the risk of spread of the novel coronavirus (COVID-19), the emerging protocols are advising for less physicianpatientcontact, shortening the contact time, and keeping a safe distance. It is recommended that unnecessary castingbe avoided in the events that alternative methods can be applied such as in stable ankle fractures, and hindfoot/midfoot/forefoot injuries. Fib...

[ 18 ] - Association of New Coronavirus Disease With Fragility Hip and Lower Limb Fractures in Elderly Patients

The novel coronavirus-induced infection (COVID-19) was declared a pandemic by the World Health Organization onMarch 11, 2020. Iran is one of the countries with a high incidence of COVID-19 infection.Data on three patients with fragility hip fracture and COVID-19 infection were collected from one hospital located inBadrud, Isfahan, Iran, from March 1, 2010, to March 30, 2020. A...

[ 19 ] - Influencing Factors on COVID-19 Infection Despite Protective Measures Among Orthopedic Residents: Air Ventilation and Contact Duration

Despite all protective measures, the number of contacts and cumulative contact duration in the frontline screening seem to be the influencing factors. Three out 5 of our first year orthopedic residents showed symptoms of the disease 2-3 weeks after starting their tasks in the COVID-19 floor. Other residents that were only visiting patients in the COVID floor did not become symptomatic which als...

[ 20 ] - The Effect of Ozone (O3) versus Hyaluronic Acid on Pain and Function in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis

Background: Of the pharmacological modalities for knee osteoarthritis (OA), intra-articular injections including ozone(O3) and hyaluronic acid (HA) are commonly used for reducing pain and improving function. In this systematic reviewand meta-analysis, we aimed to compare the effect of O3 versus HA in reducing pain and increasing function in patientswith knee OA.Methods: ...