Titre : Metalloproteases

Metalloproteases : Questions médicales fréquentes

Termes MeSH sélectionnés :

Pectoralis Muscles

Questions fréquentes et termes MeSH associés

Diagnostic 5

#1

Comment diagnostiquer une dysfonction des métalloprotéases ?

Des tests sanguins et des biopsies tissulaires peuvent évaluer l'activité des métalloprotéases.
Métalloprotéases Biopsie Tests sanguins
#2

Quels marqueurs sont utilisés pour le diagnostic ?

Les niveaux de métalloprotéases dans le sérum ou les tissus peuvent servir de marqueurs diagnostiques.
Marqueurs biologiques Métalloprotéases Sérum
#3

Les imageries sont-elles utiles pour le diagnostic ?

Oui, l'imagerie peut aider à visualiser les tissus affectés par des déséquilibres enzymatiques.
Imagerie médicale Métalloprotéases Tissus
#4

Quels tests génétiques sont disponibles ?

Des tests génétiques peuvent identifier des mutations affectant la production de métalloprotéases.
Tests génétiques Métalloprotéases Mutations
#5

Comment évaluer l'activité enzymatique ?

Des tests enzymatiques spécifiques mesurent l'activité des métalloprotéases dans les échantillons.
Activité enzymatique Métalloprotéases Échantillons biologiques

Symptômes 5

#1

Quels symptômes indiquent une surproduction de métalloprotéases ?

Une inflammation, des douleurs articulaires et des lésions tissulaires peuvent survenir.
Inflammation Métalloprotéases Douleurs articulaires
#2

Les symptômes varient-ils selon le type de métalloprotéases ?

Oui, différents types de métalloprotéases peuvent causer des symptômes variés selon les tissus affectés.
Métalloprotéases Symptômes Tissus
#3

Quels signes cliniques sont associés à une déficience ?

Une cicatrisation lente et des anomalies dans la matrice extracellulaire peuvent être observées.
Cicatrisation Métalloprotéases Matrice extracellulaire
#4

Les symptômes sont-ils toujours visibles ?

Non, certaines dysfonctions peuvent être asymptomatiques jusqu'à des stades avancés.
Asymptomatique Métalloprotéases Dysfonction
#5

Comment les symptômes évoluent-ils avec l'âge ?

L'activité des métalloprotéases peut augmenter avec l'âge, aggravant les symptômes dégénératifs.
Âge Métalloprotéases Symptômes dégénératifs

Prévention 5

#1

Comment prévenir les maladies liées aux métalloprotéases ?

Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, peut aider.
Prévention Métalloprotéases Mode de vie sain
#2

Les suppléments nutritionnels sont-ils utiles ?

Certains suppléments, comme les antioxydants, peuvent soutenir la fonction des métalloprotéases.
Suppléments nutritionnels Métalloprotéases Antioxydants
#3

L'évitement de certains aliments est-il recommandé ?

Oui, réduire les aliments pro-inflammatoires peut aider à réguler l'activité des métalloprotéases.
Alimentation Métalloprotéases Inflammation
#4

Le contrôle du stress est-il important ?

Oui, le stress peut influencer l'activité des métalloprotéases, donc sa gestion est cruciale.
Stress Métalloprotéases Gestion du stress
#5

Les examens réguliers sont-ils nécessaires ?

Des examens réguliers peuvent aider à détecter précocement des déséquilibres enzymatiques.
Examens médicaux Métalloprotéases Déséquilibres enzymatiques

Traitements 5

#1

Quels traitements ciblent les métalloprotéases ?

Des inhibiteurs spécifiques des métalloprotéases sont utilisés pour traiter certaines maladies.
Inhibiteurs Métalloprotéases Traitements
#2

Les thérapies géniques sont-elles une option ?

Oui, la thérapie génique peut corriger des mutations affectant la production de métalloprotéases.
Thérapie génique Métalloprotéases Mutations
#3

Comment les anti-inflammatoires aident-ils ?

Ils peuvent réduire l'inflammation causée par une suractivité des métalloprotéases.
Anti-inflammatoires Métalloprotéases Inflammation
#4

Les traitements sont-ils personnalisés ?

Oui, les traitements peuvent être adaptés en fonction du type de métalloprotéases impliqué.
Médecine personnalisée Métalloprotéases Traitements
#5

Quels sont les effets secondaires des inhibiteurs ?

Les inhibiteurs peuvent causer des effets secondaires comme des troubles gastro-intestinaux.
Effets secondaires Inhibiteurs Métalloprotéases

Complications 5

#1

Quelles complications peuvent survenir avec une suractivité ?

Des maladies dégénératives, comme l'arthrite, peuvent résulter d'une suractivité des métalloprotéases.
Complications Métalloprotéases Arthrite
#2

Les complications sont-elles réversibles ?

Certaines complications peuvent être réversibles avec un traitement approprié, d'autres non.
Réversibilité Métalloprotéases Traitement
#3

Comment les complications affectent-elles la qualité de vie ?

Elles peuvent entraîner des douleurs chroniques et une mobilité réduite, affectant la qualité de vie.
Qualité de vie Métalloprotéases Douleurs chroniques
#4

Les complications sont-elles prévisibles ?

Certaines complications peuvent être prévisibles en surveillant les niveaux d'activité enzymatique.
Prévisibilité Métalloprotéases Surveillance
#5

Quelles sont les complications liées à une déficience ?

Une cicatrisation lente et des infections peuvent survenir en raison d'une déficience en métalloprotéases.
Complications Métalloprotéases Cicatrisation

Facteurs de risque 5

#1

Quels facteurs augmentent le risque de dysfonction ?

L'âge, le mode de vie sédentaire et une alimentation déséquilibrée augmentent le risque.
Facteurs de risque Métalloprotéases Mode de vie
#2

Les antécédents familiaux jouent-ils un rôle ?

Oui, des antécédents familiaux de maladies liées aux métalloprotéases peuvent augmenter le risque.
Antécédents familiaux Métalloprotéases Risque
#3

Le tabagisme est-il un facteur de risque ?

Oui, le tabagisme peut exacerber l'activité des métalloprotéases et augmenter les maladies associées.
Tabagisme Métalloprotéases Maladies
#4

Le stress chronique influence-t-il le risque ?

Oui, le stress chronique peut perturber l'équilibre des métalloprotéases, augmentant le risque de maladies.
Stress chronique Métalloprotéases Risque
#5

L'exposition à des toxines est-elle un facteur ?

Oui, l'exposition à certaines toxines environnementales peut affecter l'activité des métalloprotéases.
Toxines Métalloprotéases Environnement
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{ "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Metalloproteases", "description": "Comment prévenir les maladies liées aux métalloprotéases ?\nLes suppléments nutritionnels sont-ils utiles ?\nL'évitement de certains aliments est-il recommandé ?\nLe contrôle du stress est-il important ?\nLes examens réguliers sont-ils nécessaires ?", "url": "https://questionsmedicales.fr/mesh/D045726?mesh_terms=Pectoralis+Muscles#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Metalloproteases", "description": "Quels traitements ciblent les métalloprotéases ?\nLes thérapies géniques sont-elles une option ?\nComment les anti-inflammatoires aident-ils ?\nLes traitements sont-ils personnalisés ?\nQuels sont les effets secondaires des inhibiteurs ?", "url": "https://questionsmedicales.fr/mesh/D045726?mesh_terms=Pectoralis+Muscles#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Metalloproteases", "description": "Quelles complications peuvent survenir avec une suractivité ?\nLes complications sont-elles réversibles ?\nComment les complications affectent-elles la qualité de vie ?\nLes complications sont-elles prévisibles ?\nQuelles sont les complications liées à une déficience ?", "url": "https://questionsmedicales.fr/mesh/D045726?mesh_terms=Pectoralis+Muscles#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Metalloproteases", "description": "Quels facteurs augmentent le risque de dysfonction ?\nLes antécédents familiaux jouent-ils un rôle ?\nLe tabagisme est-il un facteur de risque ?\nLe stress chronique influence-t-il le risque ?\nL'exposition à des toxines est-elle un facteur ?", "url": "https://questionsmedicales.fr/mesh/D045726?mesh_terms=Pectoralis+Muscles#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une dysfonction des métalloprotéases ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins et des biopsies tissulaires peuvent évaluer l'activité des métalloprotéases." } }, { "@type": "Question", "name": "Quels marqueurs sont utilisés pour le diagnostic ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les niveaux de métalloprotéases dans le sérum ou les tissus peuvent servir de marqueurs diagnostiques." } }, { "@type": "Question", "name": "Les imageries sont-elles utiles pour le diagnostic ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'imagerie peut aider à visualiser les tissus affectés par des déséquilibres enzymatiques." } }, { "@type": "Question", "name": "Quels tests génétiques sont disponibles ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques peuvent identifier des mutations affectant la production de métalloprotéases." } }, { "@type": "Question", "name": "Comment évaluer l'activité enzymatique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests enzymatiques spécifiques mesurent l'activité des métalloprotéases dans les échantillons." } }, { "@type": "Question", "name": "Quels symptômes indiquent une surproduction de métalloprotéases ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une inflammation, des douleurs articulaires et des lésions tissulaires peuvent survenir." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon le type de métalloprotéases ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, différents types de métalloprotéases peuvent causer des symptômes variés selon les tissus affectés." } }, { "@type": "Question", "name": "Quels signes cliniques sont associés à une déficience ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Une cicatrisation lente et des anomalies dans la matrice extracellulaire peuvent être observées." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours visibles ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Non, certaines dysfonctions peuvent être asymptomatiques jusqu'à des stades avancés." } }, { "@type": "Question", "name": "Comment les symptômes évoluent-ils avec l'âge ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "L'activité des métalloprotéases peut augmenter avec l'âge, aggravant les symptômes dégénératifs." } }, { "@type": "Question", "name": "Comment prévenir les maladies liées aux métalloprotéases ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, peut aider." } }, { "@type": "Question", "name": "Les suppléments nutritionnels sont-ils utiles ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Certains suppléments, comme les antioxydants, peuvent soutenir la fonction des métalloprotéases." } }, { "@type": "Question", "name": "L'évitement de certains aliments est-il recommandé ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, réduire les aliments pro-inflammatoires peut aider à réguler l'activité des métalloprotéases." } }, { "@type": "Question", "name": "Le contrôle du stress est-il important ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut influencer l'activité des métalloprotéases, donc sa gestion est cruciale." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils nécessaires ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des examens réguliers peuvent aider à détecter précocement des déséquilibres enzymatiques." } }, { "@type": "Question", "name": "Quels traitements ciblent les métalloprotéases ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des inhibiteurs spécifiques des métalloprotéases sont utilisés pour traiter certaines maladies." } }, { "@type": "Question", "name": "Les thérapies géniques sont-elles une option ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la thérapie génique peut corriger des mutations affectant la production de métalloprotéases." } }, { "@type": "Question", "name": "Comment les anti-inflammatoires aident-ils ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent réduire l'inflammation causée par une suractivité des métalloprotéases." } }, { "@type": "Question", "name": "Les traitements sont-ils personnalisés ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent être adaptés en fonction du type de métalloprotéases impliqué." } }, { "@type": "Question", "name": "Quels sont les effets secondaires des inhibiteurs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les inhibiteurs peuvent causer des effets secondaires comme des troubles gastro-intestinaux." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une suractivité ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies dégénératives, comme l'arthrite, peuvent résulter d'une suractivité des métalloprotéases." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être réversibles avec un traitement approprié, d'autres non." } }, { "@type": "Question", "name": "Comment les complications affectent-elles la qualité de vie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des douleurs chroniques et une mobilité réduite, affectant la qualité de vie." } }, { "@type": "Question", "name": "Les complications sont-elles prévisibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être prévisibles en surveillant les niveaux d'activité enzymatique." } }, { "@type": "Question", "name": "Quelles sont les complications liées à une déficience ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une cicatrisation lente et des infections peuvent survenir en raison d'une déficience en métalloprotéases." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de dysfonction ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge, le mode de vie sédentaire et une alimentation déséquilibrée augmentent le risque." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies liées aux métalloprotéases peuvent augmenter le risque." } }, { "@type": "Question", "name": "Le tabagisme est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme peut exacerber l'activité des métalloprotéases et augmenter les maladies associées." } }, { "@type": "Question", "name": "Le stress chronique influence-t-il le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut perturber l'équilibre des métalloprotéases, augmentant le risque de maladies." } }, { "@type": "Question", "name": "L'exposition à des toxines est-elle un facteur ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à certaines toxines environnementales peut affecter l'activité des métalloprotéases." } } ] } ] }
Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 11/03/2025

Contenu vérifié selon les dernières recommandations médicales

Sous-catégories

20 au total
└─

Metalloendopeptidases

Metalloendopeptidases D008666 - D08.811.277.656.675.374
└─

Metalloexopeptidases

Metalloexopeptidases D045727 - D08.811.277.656.675.555
└─└─

Collagenases

Collagenases D017364 - D08.811.277.656.675.374.205
└─└─

Enzymes de conversion de l'endothéline

Endothelin-Converting Enzymes D000072396 - D08.811.277.656.675.374.229
└─└─

Gelatinases

Gelatinases D018093 - D08.811.277.656.675.374.252
└─└─

Insulinase

Insulysin D007339 - D08.811.277.656.675.374.300
└─└─

Lysostaphin

Lysostaphin D008248 - D08.811.277.656.675.374.452
└─└─

Matrix metalloproteinases

Matrix Metalloproteinases D020782 - D08.811.277.656.675.374.525
└─└─

Procollagen peptidase

Procollagen N-Endopeptidase D011348 - D08.811.277.656.675.374.664
└─└─

Bacillus thermoproteolyticus neutral proteinase

Thermolysin D013820 - D08.811.277.656.675.374.827
└─└─

Carboxypeptidases A

Carboxypeptidases A D043422 - D08.811.277.656.675.555.350
└─└─

Cystinyl aminopeptidase

Cystinyl Aminopeptidase D010122 - D08.811.277.656.675.555.400
└─└─

Glutamate carboxypeptidase II

Glutamate Carboxypeptidase II D043425 - D08.811.277.656.675.555.500
└─└─

Glutamyl aminopeptidase

Glutamyl Aminopeptidase D043384 - D08.811.277.656.675.555.600
└─└─

Leucyl Aminopeptidase

Leucyl Aminopeptidase D007931 - D08.811.277.656.675.555.700
└─└─

Lysine carboxypeptidase

Lysine Carboxypeptidase D001121 - D08.811.277.656.675.555.750
└─└─└─

Microbial collagenase

Microbial Collagenase D003012 - D08.811.277.656.675.374.205.500
└─└─└─└─

Matrix metalloproteinase 14

Matrix Metalloproteinase 14 D053511 - D08.811.277.656.675.374.525.300.500
└─└─└─└─

Matrix metalloproteinase 15

Matrix Metalloproteinase 15 D053517 - D08.811.277.656.675.374.525.300.625
└─└─└─└─

Matrix metalloproteinase 16

Matrix Metalloproteinase 16 D053513 - D08.811.277.656.675.374.525.300.750

Auteurs principaux

Tania Fontanil

4 publications dans cette catégorie

Affiliations :
  • Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Spain.
  • Departamento de Investigación, Instituto Ordóñez, 33012 Oviedo, Spain.
Publications dans "Metalloproteases" :

Yamina Mohamedi

4 publications dans cette catégorie

Affiliations :
  • Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Spain.
Publications dans "Metalloproteases" :

Teresa Cobo

4 publications dans cette catégorie

Affiliations :
  • Departamento de Cirugía y Especialidades Médico-Quirúrgicas, Universidad de Oviedo, 33006 Oviedo, Spain.
  • Instituto Asturiano de Odontología, 33006 Oviedo, Spain.
Publications dans "Metalloproteases" :

Santiago Cal

4 publications dans cette catégorie

Affiliations :
  • Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Spain.
  • Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Spain.
Publications dans "Metalloproteases" :

Álvaro J Obaya

3 publications dans cette catégorie

Affiliations :
  • Departamento de Biología Funcional, Área de Fisiología, Universidad de Oviedo, 33006 Oviedo, Spain.
  • Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Spain.
Publications dans "Metalloproteases" :

Christoph Becker-Pauly

3 publications dans cette catégorie

Affiliations :
  • Unit for Degradomics of the Protease Web, Biochemical Institute, University of Kiel, Kiel, Germany. cbeckerpauly@biochem.uni-kiel.de.
Publications dans "Metalloproteases" :

Ingebrigt Sylte

3 publications dans cette catégorie

Affiliations :
  • Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, 9037 Tromsø, Norway.

Jan-Olof Winberg

3 publications dans cette catégorie

Affiliations :
  • Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, 9037 Tromsø, Norway.

Lokender Kumar

3 publications dans cette catégorie

Affiliations :
  • Department of Physics, Colorado School of Mines, 1500 Illinois Street, Golden, CO, 80401, USA.

Susanta K Sarkar

3 publications dans cette catégorie

Affiliations :
  • Department of Physics, Colorado School of Mines, 1500 Illinois Street, Golden, CO, 80401, USA. ssarkar@mines.edu.

Christoph Garbers

2 publications dans cette catégorie

Affiliations :
  • Department of Pathology, Otto-von-Guericke-University Magdeburg, Medical Faculty, Magdeburg, Germany. Electronic address: christoph.garbers@med.ovgu.de.
Publications dans "Metalloproteases" :

Yong Zhu

2 publications dans cette catégorie

Affiliations :
  • Department of Biology, East Carolina University, Greenville, NC 27858, USA. Electronic address: zhuy@ecu.edu.
Publications dans "Metalloproteases" :

Florian Peters

2 publications dans cette catégorie

Affiliations :
  • Unit for Degradomics of the Protease Web, Biochemical Institute, University of Kiel, Kiel, Germany.
Publications dans "Metalloproteases" :

Stefan F Lichtenthaler

2 publications dans cette catégorie

Affiliations :
  • Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Institute for Advanced Study, Technical University Munich, Munich, Germany.
  • Munich Center for Systems Neurology (SyNergy), Munich, Germany.
  • German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.
Publications dans "Metalloproteases" :

Fucheng Zhu

2 publications dans cette catégorie

Affiliations :
  • College of Biology and Pharmaceutical Engineering, Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, West Anhui University, Lu'an City 237012, China.

Junren Chen

2 publications dans cette catégorie

Affiliations :
  • State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Publications dans "Metalloproteases" :

Siqi Qin

2 publications dans cette catégorie

Affiliations :
  • State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Publications dans "Metalloproteases" :

Shengmeng Liu

2 publications dans cette catégorie

Affiliations :
  • State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Publications dans "Metalloproteases" :

Kexin Zhong

2 publications dans cette catégorie

Affiliations :
  • State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Publications dans "Metalloproteases" :

Yiqi Jing

2 publications dans cette catégorie

Affiliations :
  • State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Publications dans "Metalloproteases" :

Sources (10000 au total)

Morphological variability of the pectoralis major muscle in human fetuses.

The pectoralis major muscle is located in the anterior chest wall. In most cases, it is divided into clavicular, sternal (sternocostal) and abdominal heads. The aim of this study is to demonstrate and... Classical anatomical dissection was performed on 35 human fetuses aged 18-38 weeks of gestation at death were examined. (17 female, and 18 male, 70 sides; fixed in 10% formalin solution). The fetuses ... Five types of morphology (based on number of bellies) were observed in the fetuses. Type I was characterized by a single claviculosternal belly (10% of all samples). Type II comprised the clavicular a... Due to its embryological development, the PM demonstrates great variability in the numbers of its parts. The most common type was the PM with two bellies, in line with previous studies which also dist...

CT-defined pectoralis muscle mass and muscle density are associated with mortality in acute pulmonary embolism. A multicenter analysis.

Computed tomography (CT) defined muscle mass can be used as a surrogate parameter for sarcopenia. The present study used thoracic CT to assess pectoralis muscle area and density as an imaging biomarke... Overall, 981 patients (440 female, 44.9%) with a mean age of 63.5 ± 15.9 years were included into the study and 144 patients (14.6%) died within the 30-days period. Every pectoral muscle value was hig... Parameters of the pectoralis musculature are associated with 30-day mortality in patients with acute PE. These findings should lead to an independent validation study and ultimately to the inclusion i...

Pectoralis muscle predicts distant metastases in breast cancer by deep learning radiomics.

Sarcopenia is associated with a poor prognosis in patients with breast cancer (BC). Currently, there are few quantitative assessments carried out between muscle biomarkers and distant metastasis using... To assess the predictive value of the pectoralis muscle for BC distant metastasis, we developed a deep learning radiomics nomogram model (DLR-N) in this study.... A total of 493 patients with pathologically confirmed BC were registered. Image features were extracted from computed tomography (CT) images for each patient. Univariate and multivariate Cox regressio... The developed DLR-N combined multiple radiomic features and clinicopathological factors and demonstrated excellent predictive performance. The C-index of the training cohort was 0.983 (95% confidence ... DLR-N verified that there were biomarkers at the level of the fourth thoracic vertebra (T4) that affected distant metastasis. Multimodal prediction models based on deep learning could be a potential m...

Centrilobular Emphysema Is Associated with Pectoralis Muscle Reduction in Current Smokers without Airflow Limitation.

Physiological and prognostic associations of centrilobular emphysema (CLE) and paraseptal emphysema (PSE) in smokers with and without chronic obstructive pulmonary disease (COPD) have been increasingl... The aim of the study was to investigate whether CLE was associated with extrapulmonary abnormalities independent of concomitant PSE in smokers without airflow limitation.... This retrospective study consecutively enrolled current smokers without airflow limitation who underwent lung cancer screening with computed tomography and spirometry. CLE and PSE were visually identi... Of 310 current smokers without airflow limitation, 83 (26.8%) had CLE. The PSE prevalence was higher (67.5% vs. 23.3%), and PM area, SAT area, and BMD were lower in smokers with CLE than in those with... The observed association between CLE and lower PM area suggests that susceptibility to skeletal muscle loss could be high in smokers with CLE even without COPD....

Is pectoralis muscle index a risk factor for mortality in left ventricular assist device patients?

We aimed to investigate whether sarcopenia measured from pectoralis muscles is a risk factor for long-term mortality in left ventricular assist device patients.... Patients aged >18 years implanted with a left ventricular assist device in a single center between 2013 and 2019 were retrospectively included. Patients without a thoracic computed tomography scan per... The study was conducted on 64 left ventricular assist device patients who met the inclusion criteria. Notably, 21 (32.8%) of the study patients were sarcopenic. Diabetes mellitus and sarcopenia were m... Sarcopenia defined by low pectoralis muscle index increases the risk for 2-year mortality in left ventricular assist device patients....

Pectoralis muscle index might be a factor associated with frailty in older women with breast cancer.

To investigate the possible relationship between pectoralis muscle (PM) measurement and frailty in older women with breast cancer (BC) (preoperatively defined as stage 1, 2, and 3 diseases).... This retrospective, observational study was conducted at Konya Training and Research Hospital between June and December 2020. A total of 102 patients [median age 62.5 years, median follow-up period tw... The nonrobust patients had lower pectoralis major muscle index (PMaMI) (p = 0.041) and pectoralis major muscle density(PMaD) (p = 0.020) levels than robust patients in the whole study sample. PMI (p =... In the study, it has been shown that pectoralis muscle assessment might be a related parameter to frailty in older women with breast cancer....

Surgical repair and rehabilitation of a ruptured pectoralis major muscle in a professional footballer - A case report.

Pectoralis Major ruptures normally occur in activities and sports such as powerlifting and American football or rugby. It is a rarely reported phenomena in professional footballers. Surgery is normall... A 27-year-old professional footballer sustained a left pectoralis major rupture after falling to the floor. A subsequent MRI reported a 5cm retraction of the pectoralis major tendon from its attachmen... This case study demonstrates a successful return to professional football following a pectoralis major rupture and supports the notion that surgical repair of these injuries produces a favourable outc...

Pectoralis Major Muscle Belly Rupture in a 17-Year-Old Female Softball Player: A Case Report.

We report the case of a healthy 17-year-old female softball player with a subacute full-thickness intramuscular tear of the pectoralis major (PM) muscle. A successful muscle repair was obtained using ... Despite initially being a rare injury pattern, the incidence of PM muscle rupture is likely to increase as interest in sports and weight training increases, and although this injury pattern is more co...

Correlation of CT-derived pectoralis muscle status and COVID-19 induced lung injury in elderly patients.

To explore the association between CT-derived pectoralis muscle index (PMI) and COVID-19 induced lung injury.... We enrolled 116 elderly COVID-19 patients linked to the COVID-19 outbreak in Nanjing Lukou international airport. We extracted three sessions of their CT data, including one upon admission (T1), one d... The maximum CT scores in low PMI patients were higher than those of normal PMI patients, including CTSS1 (7, IQR 6-10 vs. 5, IQR 3-6, p < 0.001), CTSS2 (8, IQR 7-11 vs. 5, IQR 4-7, p < 0.001) and POS ... PMI can be easily assessed on chest CT images and can potentially be used as one of the markers to predict the severity of lung injury in elderly COVID-19 patients....