All publications of “Mário Lenza”

9 results

Preferences of orthopedic surgeons for treating midshaft clavicle fracture in adults

Adilson Sanches de Oliveira Junior, Bruno Braga Roberto, Mario Lenza, Guilherme Figueiredo Pintan, Benno Ejnisman, Breno Schor, [...]

DOI: 10.1590/S1679-45082017AO4043

ABSTRACT Objective To determine the current clinical practice in Latin America for treating midshaft clavicle fractures, including surgical and non-surgical approaches. Methods A cross-sectional study using a descriptive questionnaire. Shoulder and elbow surgeons from the Brazilian Society of Shoulder and Elbow Surgery and from the Latin American Society of Shoulder and Elbow were contacted and asked to complete a short questionnaire (SurveyMonkey®) on the management of midshaft fractures of the clavicle. Incomplete or inconsistent answers were excluded. Results The type […]

Interobserver reproducibility of radiographic evaluation of lumbar spine instability

Saulo de Tarso de Sá Pereira Segundo, Edgar Santiago Valesin Filho, Mario Lenza, Durval do Carmo Barros Santos, Laercio Alberto Rosemberg, Mario Ferretti

DOI: 10.1590/S1679-45082016AO3489

ABSTRACTObjective:To measure the interobserver reproducibility of the radiographic evaluation of lumbar spine instability.Methods:Measurements of the dynamic radiographs of the lumbar spine in lateral view were performed, evaluating the anterior translation and the angulation among the vertebral bodies. The tests were evaluated at workstations of the organization, through the Carestream Health Vue RIS (PACS), version 11.0.12.14 Inc. 2009© system.Results:Agreement in detecting cases of radiographic instability among the observers varied from 88.1 to 94.4%, and the agreement coefficients AC1 were all above […]

Femoral quadriceps neuromuscular electrical stimulation after total knee arthroplasty: a systematic review

Helena Bruna Bettoni Volpato, Paulo Szego, Mario Lenza, Silvia Lefone Milan, Claudia Talerman, Mario Ferretti

DOI: 10.1590/S1679-45082015RW3140

ABSTRACTThe purpose of this study was to evaluate the effects of neuromuscular electrical stimulation in patients submitted to total knee arthroplasty. This was a systematic review with no language or publication status restriction. Our search was made in Cochrane Library, MEDLINE, Embase and LILACS. Randomized or quasi-randomized clinical trials evaluating neuromuscular electrical stimulation after total knee arthroplasty were included. Four studies with moderate risk of bias and low statistical power were included, totalizing 376 participants. There was no statistically significant […]

Analysis of epidemiology, lifestyle, and psychosocial factors in patients with back pain admitted to an orthopedic emergency unit

Alberto Ofenhejm Gotfryd, Edgar Santiago Valesin Filho, Dan Carai Maia Viola, Mario Lenza, Joselito Adriano da Silva, Angélica Santos Emi, [...]

DOI: 10.1590/S1679-45082015AO3320

ABSTRACTObjective:To correlate epidemiological data, lifestyle, and psychosocial factors as predictors for clinical manifestation of back pain in patients treated at the orthopedic emergency unit of a Brazilian tertiary care hospital, and to evaluate their interest in participating in a hypothetical program for physical rehabilitation.Methods:This is an observational cross-sectional study. We evaluated 210 patients from the emergency department of a tertiary hospital with a major complaint of back pain. We used: epidemiological multiple-choice questionnaires developed for this study; Oswestry questionnaire for […]

Subdeltoid lipoma causing shoulder impingement syndrome – a case report

Mario Lenza, Miguel Vicente Lenza, Eduardo da Frota Carrerra, Mario Ferretti

DOI: 10.1590/s1679-45082014rc2934

The impingement syndrome is defined by the compression of the rotator cuff tendons against the coracoacromial arch. Several factors contribute to this condition and they are classified as structural or functional factors. The former are changes in the coracoacromial arch, proximal humerus, bursa and rotator cuff, and the latter are related to the mechanism of the upper limb by means of synchronized activity and balanced between the rotator cuff and scapular girdle muscles. The authors report here a case of […]

Epidemiology of total hip and knee replacement: a cross-sectional study

Mario Lenza, Silvia de Barros Ferraz, Dan Carai Maia Viola, Reynaldo Jesus Garcia Filho, Miguel Cendoroglo Neto, Mario Ferretti

DOI: 10.1590/S1679-45082013000200011

Objective:To describe the epidemiologic characteristics and adverse events of patients submitted to total hip and total knee replacement.METHODS:A cross-sectional study retrospectively assessing medical chart data of all total hip and total knee replacements performed at a private hospital, between January 2007 and December 2010 Patients submitted to total hip and total knee replacement, with consent of surgeons were included. Incomplete records and/or missing data of the hospital database were excluded. The categorical variables analyzed were age, gender, type of arthroplasty […]

Spine surgery cost reduction at a specialized treatment center

Dan Carai Maia Viola, Mario Lenza, Suze Luize Ferraz de Almeida, Oscar Fernando Pavão dos Santos, Miguel Cendoroglo Neto, Claudio Luiz Lottenberg, [...]

DOI: 10.1590/S1679-45082013000100018

Objective:To compare the estimated cost of treatment of spinal disorders to those of this treatment in a specialized center.METHODS:An evaluation of average treatment costs of 399 patients referred by a Health Insurance Company for evaluation and treatment at the Spine Treatment Reference Center of Hospital Israelita Albert Einstein. All patients presented with an indication for surgical treatment before being referred for assessment. Of the total number of patients referred, only 54 underwent surgical treatment and 112 received a conservative treatment […]

Platelet-rich plasma for long bone healing

Mário Lenza, Silvia de Barros Ferraz, Dan Carai Maia Viola, Oscar Fernando Pavão dos Santos, Miguel Cendoroglo Neto, Mario Ferretti

DOI: 10.1590/S1679-45082013000100023

Objective:To evaluate effectiveness of the use of platelet-rich plasma as coadjuvant for union of long bones.METHODS:The search strategy included the Cochrane Library (via Central) and MEDLINE (via PubMed). There were no limits as to language or publication media. The latest search strategy was conducted in December 2011. It included randomized clinical trials that evaluated the use of platelet-rich plasma as coadjuvant medication to accelerate union of long bones (acute fractures, pseudoarthrosis and bone defects). The outcomes of interest for this […]

Reproducibility of three classifications of proximal humeral fractures

Eduardo da Frota Carrerra, Andre Wajnsztejn, Mario Lenza, Nicola Archetti Netto

DOI: 10.1590/S1679-45082012000400014

Objective:To propose a new system for classifying proximal humeral neck fractures, and to evaluate intra- and interobserver agreement using the Neer system that is the most commonly used in the area and the Arbeit Gemeinschaft für Osteosynthesefragen system created by an European group, and a new classification system proposed by the authors of this study.METHODS:A total of 56 patients with proximal humeral fractures were selected, and submitted to digitized simple radiography in antero-posterior shoulder and scapular profile. Radiographs were analyzed […]