Spermatic Vein Reflux

Spermatic vein reflux is the backward flow of blood through the internal spermatic veins, a vascular abnormality commonly associated with varicocele and relevant to male reproductive health. It occurs when venous valves fail to prevent retrograde flow, allowing blood to pool around the testis, particularly when standing or during increased abdominal pressure. Color Doppler ultrasonography can detect and measure reflux, helping clinicians assess venous dilation, testicular changes, scrotal pain, or possible effects on fertility. These findings guide decisions about observation or treatments such as surgical ligation or percutaneous embolization, while supporting research into testicular blood flow and reproductive function.

Spermatic Vein Reflux - Related Videos

Research

JoVE Journal - Medicine

Grade III Varicocele Surgical Treatment using Spermatic Vein-Superficial Abdominal Vein Shunt

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Cited by 2 •

2024

Here, we present a protocol for grade III varicocele surgical treatment that aims to rebuild the venous drainage of the spermatic cord by a spermatic vein-superficial abdominal vein shunt performed under the microscope.

Surgical Models of Gastroesophageal Reflux with Mice

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Cited by 8 •

2015

This article demonstrates surgical procedures of gastroesophageal reflux with mice. These models are useful tools for research on mechanisms and treatment of gastroesophageal reflux disease and potentially Barrett’s esophagus and esophageal adenocarcinoma.

Education

JoVE Science Education - Engineering

The Effect of Reflux Ratio on Tray Distillation Efficiency

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2023

Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Tray and packed columns are both commonly used for distillation, absorption, and stripping separation operations.1,2 The goal of this experiment is to distill a mixture of alcohols (methanol, isopropanol) and water in a sieve tray column and examine how closely simple theories of distillation based on equilibrium assumptions are followed. Sieve trays provide maximum...

Assembly of a Reflux System for Heated Chemical Reactions

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2023

Source: Laboratory of Dr. Philip Miller — Imperial College London Many chemical experiments require elevated temperatures before any reaction is observed, however heating solutions of reactants can lead to loss of reactants and/or solvent via evaporation if their boiling points are sufficiently low. In order to ensure no loss of reactants or solvent, a reflux system is used in order to condense any vapors produced on heating and return these condensates to the reaction...

Gastroesophageal Reflux Disease

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2026

Gastroesophageal reflux disease (GERD) is the backward flow of stomach contents (acid, pepsin, or bile) into the esophagus, causing mucosal inflammation known as esophagitis. It results from failure of antireflux mechanisms, mainly the lower esophageal sphincter (LES), influenced by mechanical and physiological factors.Etiology and Risk FactorsGERD develops when LES function is weakened or when intra-abdominal pressure increases. Risk factors include aging, obesity, and sliding hiatal hernia,...

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