Nerve-sparing Surgery

	Nerve-sparing Surgery Nerve-sparing surgery is a type of surgery that attempts to save the nerves near the tissues being removed. It is commonly applied in radical retropubic prostatectomy, a surgical treatment for prostate cancer, in which damage to nerves during surgery can lead to complications including urinary incontinence and impotence. In nerve-sparing radical prostatectomy, initially developed by Dr. Patrick Walsh in the 1980s, surgeons identify and attempt to avoid damaging the nerves. Surgeons may visually identify the cavernous nerves of penis or apply an electrical stimulation penile plethysmograph Penile plethysmography (PPG) or phallometry is measurement of blood flow to the penis, typically used as a proxy for measurement of sexual arousal. The most commonly reported methods of conducting penile plethysmography involve the measurement of ... diagnostic test to verify the nerves, and so avoid damaging them. The bilateral approach attempts to spare the nerves on both sides of the prosta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Surgery Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function, appearance, or to repair unwanted ruptured areas. The act of performing surgery may be called a surgical procedure, operation, or simply "surgery". In this context, the verb "operate" means to perform surgery. The adjective surgical means pertaining to surgery; e.g. surgical instruments or surgical nurse. The person or subject on which the surgery is performed can be a person or an animal. A surgeon is a person who practices surgery and a surgeon's assistant is a person who practices surgical assistance. A surgical team is made up of the surgeon, the surgeon's assistant, an anaesthetist, a circulating nurse and a surgical technologist. Surgery usually spa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Nerves A nerve is an enclosed, cable-like bundle of nerve fibers (called axons) in the peripheral nervous system. A nerve transmits electrical impulses. It is the basic unit of the peripheral nervous system. A nerve provides a common pathway for the electrochemical nerve impulses called action potentials that are transmitted along each of the axons to peripheral organs or, in the case of sensory nerves, from the periphery back to the central nervous system. Each axon, within the nerve, is an extension of an individual neuron, along with other supportive cells such as some Schwann cells that coat the axons in myelin. Within a nerve, each axon is surrounded by a layer of connective tissue called the endoneurium. The axons are bundled together into groups called Nerve fascicle, fascicles, and each fascicle is wrapped in a layer of connective tissue called the perineurium. Finally, the entire nerve is wrapped in a layer of connective tissue called the epineurium. Nerve cells (often called ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Radical Retropubic Prostatectomy Radical retropubic prostatectomy is a surgical procedure in which the prostate gland is removed through an incision in the abdomen (in comparison with perineal prostatectomy, done through the perineum). It is most often used to treat individuals who have early prostate cancer. Radical retropubic prostatectomy can be performed under general, spinal, or epidural anesthesia and requires blood transfusion less than one-fifth of the time. Radical retropubic prostatectomy is associated with complications such as urinary incontinence and impotence, but these outcomes are related to a combination of individual patient anatomy, surgical technique, and the experience and skill of the surgeon. Description Radical retropubic prostatectomy was developed in 1945 by Terence Millin at the All Saints Hospital in London. The procedure was brought to the United States by one of Millin's students, Samuel Kenneth Bacon, M.D., adjunct professor of surgery, University of Southern California, and w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Cavernous Nerves Of Penis The cavernous nerves are post-ganglionic parasympathetic nerves that facilitate penile erection and clitoral erection. They arise from cell bodies in the inferior hypogastric plexus where they receive the pre-ganglionic pelvic splanchnic nerves (S2-S4). In the penis, there are both lesser cavernous nerves and a greater cavernous nerve. Clinical considerations These nerves are susceptible to injury following prostatectomy or genital surgery. Nerve-Sparing prostatectomy was invented for surgeons to avoid injuring the nerves and causing erectile dysfunction complications. During surgery, a doctor may apply a small electrical stimulation to the nerve and measure the erectile function with a penile plethysmograph Penile plethysmography (PPG) or phallometry is measurement of blood flow to the penis, typically used as a proxy for measurement of sexual arousal. The most commonly reported methods of conducting penile plethysmography involve the measurement of .... This test aid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Penile Plethysmograph Penile plethysmography (PPG) or phallometry is measurement of blood flow to the penis, typically used as a proxy for measurement of sexual arousal. The most commonly reported methods of conducting penile plethysmography involve the measurement of the circumference of the penis with a mercury-in-rubber or electromechanical strain gauge, or the volume of the penis with an airtight cylinder and inflatable cuff at the base of the penis. Corpora cavernosa nerve penile plethysmographs measure changes in response to inter-operative electric stimulation during surgery. The volumetric procedure was invented by Kurt Freund and is considered to be particularly sensitive at low arousal levels. The easier to use circumferential measures are more widely used, however, and more common in studies using erotic film stimuli. A corresponding device in women is the vaginal photoplethysmograph. For sexual offenders it is typically used to determine the level of sexual arousal as the subject is expose ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]