Erectile dysfunction (ED) has been defined as the inability to attain or maintain penile erection sufficient for successful sexual intercourse. ED carries a notable influence on life quality, with significant implications for family and social relationships. Because atherosclerosis of penile arteries represents one of the most frequent ED causes, patients presenting with it should always be investigated for potential coexistent coronary or peripheral disease. Up to 75% of ED patients have a stenosis of the iliac-pudendal-penile arteries, supplying the male genital organ's perfusion. Recently, pathophysiology and molecular basis of male erection have been elucidated, giving the ground to pharmacological and mechanical revascularization treatment of this condition. This review will focus on the normal anatomy and physiology of erection, the pathophysiology of ED, the relation between ED and cardiovascular diseases, and, lastly, on the molecular basis of erectile dysfunction.
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http://dx.doi.org/10.3390/biomedicines9040432 | DOI Listing |
J Control Release
January 2025
Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Institute of Urology, Beijing Municipal Health Commission, Beijing 100050, China. Electronic address:
We previously established an effective method to ameliorate erectile dysfunction (ED) using intracavernous injection (ICI) of mesenchymal stem cell (MSC) microspheres. However, the expression of a key neurotrophic factor, brain-derived neurotrophic factor (BDNF), was low in both MSCs and MSC microspheres, restricting the associated neural repair. Based on the hypoxia and oxidative stress microenvironments within cell spheroids and lesion areas, BDNF-expressing nanocomplexes that are dual-responsive to hypoxia and reactive oxygen species were designed to modify MSCs, achieving high BDNF expression in MSC spheroids.
View Article and Find Full Text PDFCureus
December 2024
Orthopaedic Surgery, Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, JPN.
A 41-year-old man with a history of obesity, hypertension, and smoking suffered from numbness and weakness in both lower limbs. He was diagnosed with ossification of the posterior longitudinal ligament and ligamentum flavum in the cervical and thoracic spine by X-rays, CT, and MRI. The patient underwent laminectomies at T2 and T3 levels, along with posterior fusion from T1 to T4, to address an upper thoracic spine lesion causing sensory deficits up to T5 and gait disturbances.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Hepatobiliary Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, China.
This study aimed to explore the relationship between the lymphocyte/monocyte ratio (LMR) and erectile dysfunction (ED) in adult men in the United States using a comprehensive dataset. A cross-sectional study design was used to analyze the relationship between the lymphocyte-to-monocyte ratio (LMR) and the prevalence of erectile dysfunction (ED) among adult male participants in the NHANES 2001-2004 dataset. Statistical analyses were performed to adjust for potential confounders and explore non-linear associations, with LMR categorized into quartiles to investigate the relationship with ED prevalence.
View Article and Find Full Text PDFJ Neurol
January 2025
Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany.
Background And Objective: Non-motor symptoms frequently develop throughout the disease course of Parkinson's disease (PD), and pose affected individuals at risk of complications, more rapid disease progression and poorer quality of life. Addressing such symptom burden, the 2023 revised "Parkinson's disease" guideline of the German Society of Neurology aimed at providing evidence-based recommendations for managing PD non-motor symptoms, including autonomic failure, pain and sleep disturbances.
Methods: Key PICO (Patient, Intervention, Comparison, Outcome) questions were formulated by the steering committee and refined by the assigned authors.
J Sex Med
January 2025
Department of Urology, Holmesglen Private Hospital, Moorabbin 3189, Victoria, Australia.
Background: The penile suspensory ligament (PSL) plays a significant role in penile support and erection and its injury or congenital absence may result in functional impairment of erectile function.
Aim: To describe the diagnosis and surgical repair technique for PSL abnormalities and overall outcomes.
Methods: A comprehensive review of the literature was performed to understand the anatomic relevance of the PSL and historical management of PSL defects.
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