Titre : Lyophilisation

Lyophilisation : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostate

Questions fréquentes et termes MeSH associés

Diagnostic 2

#1

Comment savoir si un produit est lyophilisé ?

Un produit lyophilisé est léger, friable et conserve sa forme d'origine après réhydratation.
Lyophilisation Déshydratation
#2

Quels tests pour vérifier la qualité d'un produit lyophilisé ?

Des tests de solubilité, d'humidité résiduelle et d'analyse organoleptique sont effectués.
Analyse de la qualité Contrôle de qualité

Symptômes 2

#1

Quels sont les signes d'un produit mal lyophilisé ?

Un produit mal lyophilisé peut présenter des grumeaux, une couleur anormale ou une odeur désagréable.
Produits alimentaires Qualité des aliments
#2

Y a-t-il des effets secondaires de la lyophilisation ?

La lyophilisation n'a pas d'effets secondaires directs, mais peut altérer certains nutriments.
Nutriments Alimentation

Prévention 2

#1

Comment éviter la dégradation des produits lyophilisés ?

Conservez-les dans un endroit frais, sec et à l'abri de la lumière pour préserver leur qualité.
Conservation Stabilité des produits
#2

Quelles conditions sont idéales pour stocker des produits lyophilisés ?

Un environnement à faible humidité et température stable est idéal pour le stockage.
Conditions de stockage Humidité

Traitements 2

#1

Comment réhydrater un produit lyophilisé ?

Il suffit d'ajouter de l'eau à température ambiante ou chaude selon le produit.
Réhydratation Produits alimentaires
#2

Quels produits sont souvent lyophilisés ?

Les fruits, légumes, viandes et médicaments sont couramment lyophilisés pour la conservation.
Conservation des aliments Pharmaceutiques

Complications 2

#1

Quels risques si un produit lyophilisé est mal stocké ?

Un mauvais stockage peut entraîner une perte de qualité, de goût et de valeur nutritionnelle.
Risque alimentaire Dégradation
#2

Peut-on consommer un produit lyophilisé périmé ?

Il est déconseillé de consommer un produit périmé, même s'il semble intact.
Produits périmés Sécurité alimentaire

Facteurs de risque 2

#1

Quels facteurs influencent la qualité de la lyophilisation ?

La température, la pression et la durée du processus de lyophilisation influencent la qualité.
Processus de lyophilisation Température
#2

Quels produits sont plus sensibles à la lyophilisation ?

Les produits riches en graisses ou en sucres peuvent être plus sensibles à la dégradation.
Produits sensibles Dégradation des aliments
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Dr Olivier Menir

Contenu validé par Dr Olivier Menir

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


Validation scientifique effectuée le 22/04/2025

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Davide Fissore

6 publications dans cette catégorie

Affiliations :
  • Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy. Electronic address: davide.fissore@polito.it.

Nuria Martínez-Navarrete

3 publications dans cette catégorie

Affiliations :
  • Food Technology Department, Food Investigation and Innovation Group, Universitat Politècnica de València, Valencia, Spain.

Roberto Pisano

3 publications dans cette catégorie

Affiliations :
  • Department of Applied Science and Technology, Politecnico di Torino, 24 corso Duca degli Abruzzi, Torino 10129, Italy.

Linlin Li

2 publications dans cette catégorie

Affiliations :
  • College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China.
  • Agricultural Product Drying Equipment Engineering Technology Research Center, Henan University of Science and Technology, Luoyang, China.

Weiwei Cao

2 publications dans cette catégorie

Affiliations :
  • College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China.
  • Agricultural Product Drying Equipment Engineering Technology Research Center, Henan University of Science and Technology, Luoyang, China.

Wenchao Liu

2 publications dans cette catégorie

Affiliations :
  • College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China.
  • Agricultural Product Drying Equipment Engineering Technology Research Center, Henan University of Science and Technology, Luoyang, China.

Xu Duan

2 publications dans cette catégorie

Affiliations :
  • College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China.
  • Agricultural Product Drying Equipment Engineering Technology Research Center, Henan University of Science and Technology, Luoyang, China.

Guangyue Ren

2 publications dans cette catégorie

Affiliations :
  • College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China.
  • Agricultural Product Drying Equipment Engineering Technology Research Center, Henan University of Science and Technology, Luoyang, China.

Ana Salvador

2 publications dans cette catégorie

Affiliations :
  • Laboratorio de Propiedades Físicas y Sensoriales y Ciencia del Consumidor, Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Valencia, Spain.
Publications dans "Lyophilisation" :

María Del Mar Camacho

2 publications dans cette catégorie

Affiliations :
  • Food Technology Department, Food Investigation and Innovation Group, Universitat Politècnica de València, Valencia, Spain.

Taylor N Thompson

2 publications dans cette catégorie

Affiliations :
  • Millrock Technology, Inc., 39 Kieffer Ln, Kingston, NY, USA.
Publications dans "Lyophilisation" :

None None

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Dominique Turck

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Torsten Bohn

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Jacqueline Castenmiller

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Stefaan De Henauw

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Karen Ildico Hirsch-Ernst

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Alexandre Maciuk

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Inge Mangelsdorf

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Harry J McArdle

2 publications dans cette catégorie

Publications dans "Lyophilisation" :

Sources (10000 au total)

Serum prostate specific antigen is a good indicator of prostatic volume in men with benign prostatic hyperplasia.

Benign prostatic hyperplasia (BPH) is the most common cause of bladder outlet obstruction in men over the age of 50 years. An association between the prostate specific antigen (PSA), International Pro... To determine the correlation between the PSA, IPSS and PV in men of African descent.... This was a cross sectional analysis involving 92 patients diagnosed as having symptomatic BPH at the Ho Teaching Hospital.... The data were collected using standardised questionnaires. The IPSS determined urinary symptom severity. The PV was determined using a transabdominal ultrasound machine. Serum PSA was retrieved from t... The mean PV was 61.04 cm3 ± 21.95 cm3, the mean PSA was 4.21 ng/mL ± 3.85 ng/mL, and mean IPSS of 21.59 ± 3.78. The Pearson's correlation between PV and PSA was 0.283 (p = 0.01), between PV and IPSS w... This study showed that serum PSA has a positive correlation with PV. However, IPSS had no significant association with PSA or PV in patients with BPH.Contribution: This study provides insights into th...

Prostatic Artery Embolization Versus Transurethral Resection of the Prostate for Benign Prostatic Hyperplasia: A Cost-Effectiveness Analysis.

To compare the cost effectiveness of prostatic artery embolization (PAE) with that of transurethral resection of the prostate (TURP) for the treatment of medically refractory benign prostatic hyperpla... A cost-effectiveness analysis with Markov modeling was performed, comparing the clinical course after PAE with that after TURP for 3 years. Probabilities were obtained from the available literature, a... Base case calculation showed comparable outcomes (PAE, 2.845 QALY; TURP, 2.854 QALY), with a cost difference of $3,104 (PAE, $2,934; TURP, $6,038). The incremental cost-effectiveness ratio was $360,24... PAE is a cost-effective strategy to treat medically refractory BPH, resulting in comparable health benefits at a lower cost than that of TURP even when accounting for extreme alterations in adverse ev...

Prostatic Urethral Length as a Predictor for Surgery in Benign Prostatic Hyperplasia.

Benign prostatic hyperplasia is associated with structural and morphological changes including elongation of prostatic urethral length. The aim of our study was to assess whether prostatic urethral le... This prospective observational study was conducted over a 12-months duration. All the patients who presented with lower urinary tract symptoms secondary to benign prostatic hyperplasia were evaluated ... A total of 153 patients were included in the study. Eighty-three (54.2%) patients underwent surgery during the study period. Prostate volume, intravesical prostatic protrusion, post-void residual volu... BPH patients with longer PUL may require surgical management. PUL measured by TRUS may be a predicting factor for the need of surgery in BPH Keywords: Benign prostatic hyperplasia; lower urinary tract...

Clinicopathological and immunological profiles of prostate adenocarcinoma and neuroendocrine prostate cancer.

Biomarkers of DNA damage repair deficiency provide opportunities for personalized treatment with immunotherapy. However, there is limited research on the immune microenvironment of adeno-neuroendocrin... A retrospective medical record review of 66 patients with prostate cancer (PCa) was performed. PCa samples from the 66 patients were analyzed using immunohistochemical staining for the detection of ch... Twenty patients presented with adeno-NEPC, whereas 46 presented with adeno-PCa. The median age of patients at PCa diagnosis was 67.86 ± 7.05 years (68.65 ± 7.23 years, adeno-NEPC; 67.52 ± 7.02 years, ... Our study revealed clinicopathological manifestations of adeno-NEPC and some possible predictive factors significantly associated with better outcomes in patients with adeno-NEPC. These findings might...

The influence of prostate volume on clinical parameters in prostate cancer screening.

The purpose of the study was to evaluate the diagnostic significance of two new and a few clinical markers for prostate cancer (PCa) at various prostate volumes (PV).... The study subjects were divided into two groups. Among them, there were 70 cases in the PV ≤30 ml group (benign prostatic hyperplasia [BPH]: 32 cases, PCa: 38 cases) and 372 cases in the PV > 30 ml gr... In the PV ≤30 ml group, the diagnostic parameters based on prostate-specific antigen (PSA) had a decreased diagnostic significance for PCa. In the PV > 30 ml group, PSAD (AUC = 0.709), AVR (AVR = Age/... Choosing appropriate indicators for different PVs could contribute to the early screening and diagnosis of PCa. The difference in the diagnostic value of two new indicators (A-PSAD and AVR), and PSAD ...

Prostate health index (PHI) as an accurate prostate cancer predictor.

This study aims to compare the ability of the PHI versus tPSA test to predict the presence of PCa in our population.... A prospective observational study was performed. We included patients with tPSA ≥ 2.5 ng/ml, biopsy naïve or previous negative biopsy, undergoing a blood test, which includes tPSA, fPSA, and p2PSA, an... 140 men were included. Fifty-seven (40.7%) had a positive prostate biopsy result (Group A), and 83 (59.3%) had a negative biopsy result (Group B). The mean age was similar in both groups (mean ± stand... The PHI test improves PCa detection compared to tPSA in our population....

Prostate Health Index Density Outperforms Prostate-specific Antigen Density in the Diagnosis of Clinically Significant Prostate Cancer in Equivocal Magnetic Resonance Imaging of the Prostate: A Multicenter Evaluation.

We compare Prostate Health Index, Prostate Health Index density, and PSA density in predicting clinically significant prostate cancer in MRI-guided prostate biopsy.... This is a multicenter evaluation of prospectively maintained prostate biopsy databases at 10 urology centers. Men with Prostate Health Index and MRI-guided targeted and systematic prostate biopsy perf... A total of 1,215 men were analyzed. Prostate cancer and clinically significant prostate cancer were diagnosed in 51% (617/1,215) and 35% (422/1,215) of men, respectively. Clinically significant prosta... Prostate Health Index density outperformed Prostate Health Index or PSA density in clinically significant prostate cancer detection in men with multiparametric MRI performed, and further reduced unnec...