Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome

OBJECTIVES: This study aimed to correlate a higher Pelvic-Trochanteric Index (PTI) with an increased varus of the femoral neck with greater trochanteric pain syndrome (GTPS). The secondary objective was to check whether the pelvic width changes with age. METHODS: A prospective study was conducted t...

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Main Authors: Leandro Emílio Nascimento Santos, Túlio Pinho Navarro, Carla Jorge Machado, Henrique Antônio Berwanger de Amorim Cabrita, Robinson Esteves Pires, Leonardo Brandão Figueiredo, Henrique Melo Campos Gurgel, Rudolf Moreira Pfeilsticker, Helvécio Grandinetti, Amanda Damasceno de Souza, Marco Antônio Percope de Andrade
Format: Article
Language:English
Published: Elsevier España 2021-11-01
Series:Clinics
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-59322021000100333&tlng=en
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author Leandro Emílio Nascimento Santos
Túlio Pinho Navarro
Carla Jorge Machado
Henrique Antônio Berwanger de Amorim Cabrita
Robinson Esteves Pires
Leonardo Brandão Figueiredo
Henrique Melo Campos Gurgel
Rudolf Moreira Pfeilsticker
Helvécio Grandinetti
Amanda Damasceno de Souza
Marco Antônio Percope de Andrade
author_facet Leandro Emílio Nascimento Santos
Túlio Pinho Navarro
Carla Jorge Machado
Henrique Antônio Berwanger de Amorim Cabrita
Robinson Esteves Pires
Leonardo Brandão Figueiredo
Henrique Melo Campos Gurgel
Rudolf Moreira Pfeilsticker
Helvécio Grandinetti
Amanda Damasceno de Souza
Marco Antônio Percope de Andrade
author_sort Leandro Emílio Nascimento Santos
collection DOAJ
description OBJECTIVES: This study aimed to correlate a higher Pelvic-Trochanteric Index (PTI) with an increased varus of the femoral neck with greater trochanteric pain syndrome (GTPS). The secondary objective was to check whether the pelvic width changes with age. METHODS: A prospective study was conducted to compare female patients diagnosed with GTPS (case group) with asymptomatic female participants (control group) from March 2011 to June 2017. On an anteroposterior pelvic radiograph, lines were drawn by two radiologists, and the PTI (ratio of the distance between the greater trochanters and distance between the iliac crests) was defined and the femoral neck-shaft angle was measured. RESULTS: Data collected based on radiographs of 182 female patients (cases) and 150 female participants (controls) showed that the mean PTI was 1.09 (SD=0.01) in the case group and 1.07 (SD=0.01) in the control group (p<0.05), regardless of age. The distance between iliac crests increased with age (p<0.05) in symptomatic and asymptomatic individuals. It was also found that the mean femoral neck-shaft angle was 130.6° (SD=0.59) and progression of the varus angulation occurred with age in both groups, with a significance level of 5%. CONCLUSIONS: The PTI was higher in patients with GTPS. The femoral neck-shaft angle does not differ between individuals with and without GTPS; however, it does decrease with age. The pelvic width tends to increase with aging in symptomatic or asymptomatic individuals; therefore, the increase in the pelvic width and decrease in the femoral neck-shaft angle can be interpreted as normal in aging women, which could alter the biomechanics of the hips and pelvis.
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spelling doaj.art-310804dfe7aa4b8daa7df28686e0cad32022-12-22T01:21:17ZengElsevier EspañaClinics1980-53222021-11-017610.6061/clinics/2021/e3312Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndromeLeandro Emílio Nascimento Santoshttps://orcid.org/0000-0001-6449-7077Túlio Pinho Navarrohttps://orcid.org/0000-0001-8134-5825Carla Jorge Machadohttps://orcid.org/0000-0002-6871-0709Henrique Antônio Berwanger de Amorim Cabritahttps://orcid.org/0000-0003-2752-2397Robinson Esteves Pireshttps://orcid.org/0000-0002-3572-5576Leonardo Brandão Figueiredohttps://orcid.org/0000-0001-8108-7432Henrique Melo Campos Gurgelhttps://orcid.org/0000-0002-2005-0553Rudolf Moreira Pfeilstickerhttps://orcid.org/0000-0002-4133-8265Helvécio Grandinettihttps://orcid.org/0000-0002-4247-4373Amanda Damasceno de Souzahttps://orcid.org/0000-0001-6859-4333Marco Antônio Percope de Andradehttps://orcid.org/0000-0001-6284-213XOBJECTIVES: This study aimed to correlate a higher Pelvic-Trochanteric Index (PTI) with an increased varus of the femoral neck with greater trochanteric pain syndrome (GTPS). The secondary objective was to check whether the pelvic width changes with age. METHODS: A prospective study was conducted to compare female patients diagnosed with GTPS (case group) with asymptomatic female participants (control group) from March 2011 to June 2017. On an anteroposterior pelvic radiograph, lines were drawn by two radiologists, and the PTI (ratio of the distance between the greater trochanters and distance between the iliac crests) was defined and the femoral neck-shaft angle was measured. RESULTS: Data collected based on radiographs of 182 female patients (cases) and 150 female participants (controls) showed that the mean PTI was 1.09 (SD=0.01) in the case group and 1.07 (SD=0.01) in the control group (p<0.05), regardless of age. The distance between iliac crests increased with age (p<0.05) in symptomatic and asymptomatic individuals. It was also found that the mean femoral neck-shaft angle was 130.6° (SD=0.59) and progression of the varus angulation occurred with age in both groups, with a significance level of 5%. CONCLUSIONS: The PTI was higher in patients with GTPS. The femoral neck-shaft angle does not differ between individuals with and without GTPS; however, it does decrease with age. The pelvic width tends to increase with aging in symptomatic or asymptomatic individuals; therefore, the increase in the pelvic width and decrease in the femoral neck-shaft angle can be interpreted as normal in aging women, which could alter the biomechanics of the hips and pelvis.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-59322021000100333&tlng=enHip InjuriesPelvisRadiologyTendinopathyWaist-Hip Ratio
spellingShingle Leandro Emílio Nascimento Santos
Túlio Pinho Navarro
Carla Jorge Machado
Henrique Antônio Berwanger de Amorim Cabrita
Robinson Esteves Pires
Leonardo Brandão Figueiredo
Henrique Melo Campos Gurgel
Rudolf Moreira Pfeilsticker
Helvécio Grandinetti
Amanda Damasceno de Souza
Marco Antônio Percope de Andrade
Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
Clinics
Hip Injuries
Pelvis
Radiology
Tendinopathy
Waist-Hip Ratio
title Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
title_full Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
title_fullStr Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
title_full_unstemmed Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
title_short Relationship of the Pelvic-Trochanteric Index with greater trochanteric pain syndrome
title_sort relationship of the pelvic trochanteric index with greater trochanteric pain syndrome
topic Hip Injuries
Pelvis
Radiology
Tendinopathy
Waist-Hip Ratio
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-59322021000100333&tlng=en
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