A Malone antegrade continence enema is a
surgical procedure used to create a
continent
A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...
pathway proximal to the
anus
The anus (Latin, 'ring' or 'circle') is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, the residual semi-solid waste that remains after food digestion, which, d ...
that facilitates
fecal
Feces ( or faeces), known colloquially and in slang as poo and poop, are the solid or semi-solid remains of food that was not digested in the small intestine, and has been broken down by bacteria in the large intestine. Feces contain a relati ...
evacuation using
enema
An enema, also known as a clyster, is an injection of fluid into the lower bowel by way of the rectum.Cullingworth, ''A Manual of Nursing, Medical and Surgical'':155 The word enema can also refer to the liquid injected, as well as to a devic ...
s.
Description
The operation involves connecting the
appendix to the abdominal wall and fashioning a
valve
A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fitting ...
mechanism that allows
catheterization
In medicine, a catheter (/ˈkæθətər/) is a thin tube made from medical grade materials serving a broad range of functions. Catheters are medical devices that can be inserted in the body to treat diseases or perform a surgical procedure. Cat ...
of the appendix, but avoids leakage of stool through it. If the appendix was previously removed or is unusable, a neoappendix can be created with a
cecal flap.
Indications
It is done to treat
fecal incontinence
Fecal incontinence (FI), or in some forms encopresis, is a lack of control over defecation, leading to involuntary loss of bowel contents, both liquid stool elements and mucus, or solid feces. When this loss includes flatus (gas), it is referre ...
unresponsive to treatment with medications. It is frequently done with a procedure (
Mitrofanoff procedure
The Mitrofanoff procedure, also known as the Mitrofanoff appendicovesicostomy, is a surgical procedure in which the appendix is used to create a conduit, or channel, between the skin surface and the urinary bladder. The small opening on the skin ...
) to treat
urinary incontinence
Urinary incontinence (UI), also known as involuntary urination, is any uncontrolled leakage of urine. It is a common and distressing problem, which may have a large impact on quality of life. It has been identified as an important issue in geri ...
as the two often co-exist, such as in
spina bifida
Spina bifida (Latin for 'split spine'; SB) is a birth defect in which there is incomplete closing of the spine and the membranes around the spinal cord during early development in pregnancy. There are three main types: spina bifida occulta, m ...
.
Cecostomy tube alternative
A
percutaneous {{More citations needed, date=January 2021
In surgery, a percutaneous procedurei.e. Granger et al., 2012 is any medical procedure or method where access to inner organs or other tissue is done via needle-puncture of the skin, rather than by using ...
cecostomy tube (C-tube)
[What is a Cecostomy Catheter? cecostomy.com. URL]
http://www.cecostomy.com/Introduction/cecostomy.htm
. Accessed on: August 9, 2008. is an alternative to a MACE. It involves the surgical insertion of a catheter into the cecum for the same goal (of performing enemas). Percutaneous cecostomy procedures, like MACEs, have been performed
laparoscopically.
Eponym
The procedure is named after the
surgeon Padraig Malone who helped popularized it in the 1990s and described it with co-authors as the ''antegrade continence enema procedure''.
See also
*
Mitrofanoff appendicovesicostomy
*
Mitrofanoff principle
In urology, the Mitrofanoff principle is the creation of a passageway for urine or enema fluid that, by its (surgical) construction, has a valve mechanism to allow continence.
Procedures which make use of the Mitrofanoff principle:
*Mitrofanoff pr ...
*
Monti procedure
References
{{reflist
Urologic surgery