painful stimuli from abdominal viscera are conveyed by this type of fiber and tend to be dull, cramping, burning, poorly localized, and more gradual in onset and longer in duration than somatic pain. Because abdominal organs transmit sensory afferents to both sides of the spinal cord, visceral pain is usually perceived to be in the midline, in the epigastrium, periumbilical region, or hypogastriu
pain으로
중략...............
80%: cholesterol stones
20%: pigment stones
유병률: 4.25% (서양보다 약간 낮다)
Lack of depth perception
View controlled by camera
operator
More difficult to control
hemorrhage
Decreased tactile discrimination
Potential CO2 insufflation
complication
Adhesions / inflammation
limit use
Slight increase in bile duct
injury