Obeid JA y cols. Drenaje percutáneo transglúteo. Rev Argent Cir 2021;113(3):359-366
363
En conclusión, el drenaje percutáneo trans- fundos; en nuestra casuísꢀca solo uꢀlizamos anestesia
glúteo guiado por TC es un enfoque seguro y bien to- local y drenajes de bajo calibre con una muy baja tasa
lerado para el tratamiento de abscesos pélvicos pro- de complicaciones y una alta eficiencia.
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ENGLISH VERSION
Introducꢁon
the procedure. Then, a mulꢀpurpose catheter (Cook or
Boston) is placed over the wire. The catheter is fixed
Percutaneous drainage is a safe and effecꢀve to the skin, the purulent fluid is aspirated and then
alternaꢀve to surgery in the management of intra- the catheter is aꢂached to a collecꢀon bag. Finally,
abdominal and pelvic abscesses. The approach adequate catheter placement is confirmed by CT
is a challenge for deep pelvic abscesses because control (Fig. 1).
of many anatomical obstacles (pelvic bones, iliac
A rigorous daily catheter care was essenꢀal
vessels, bladder, bowel, uterus, vagina and nerves). to detect any complicaꢀons (skin puncture site
A transgluteal computed tomography (CT)-guided inflammaꢀon, pain, bleeding or accidental removal).
approach is preferred when the abscess is inaccessible In addiꢀon to the drainage, empiric anꢀbioꢀcs were
1
-4
with a convenꢀonal anterior route .
iniꢀally given and adapted to the bacteriological data
The aim of this study is to analyze the safety obtained. Catheter withdrawal was decided according
and efficacy of the transgluteal approach in the to clinical, biochemical and radiological success criteria.
management of deep pelvis abscesses.
Drainage was considered successful if the abscess
had regressed and had not recurred. Conversely,
failed drainage was considered in case of abscess
recurrence, persistent sepsis or the need for another
new procedure.
Material and methods
We conducted retrospecꢀve search
a
from 2011 to 2019 and found 10 paꢀents requiring
transgluteal drainage. The variables analyzed were Results
paꢀents’ age, origin or cause of abscesses, results of
laboratory cultures, complicaꢀons (categorized using
The variables analyzed are summarized in Table
the Clavien-Dindo classificaꢀon), duraꢀon of drainage 1. Mean age was 49.2 years (SD: 9.70). Escherichia coli
expressed in days and other variables (as parꢀcular was the most common germ found (50%). In 50% of the
characterisꢀcs of the paꢀents, among others). A visual cases, the abscesses occurred postoperaꢀvely. Mean
analogue scale was used to categorize tolerance to the duraꢀon of drainage was 9.2 days (SD: 2.95). The size
procedure and postoperaꢀve pain.
of the catheters was 8 Fr in 7 procedures and 10 Fr in
Transgluteal percutaneous drainages were the remaining 3 paꢀents. Transgluteal drainage was
performed by 3 general surgeons from the Department successful in all the cases as there was no need for any
of Surgery with experience in percutaneous procedures addiꢀonal procedure.
using CT guidance. The diagnosis of deep pelvic abscess
The procedure was well tolerated in 8 paꢀents
was confirmed on an iniꢀal CT scan in 8 cases and by (80%). Two paꢀents developed moderate pain that
magneꢀc resonance imaging in the remaining paꢀents. was relieved with analgesics. There were no major
All the paꢀents underwent coagulaꢀon screen (platelet complicaꢀons (as bleeding or nerve injury) during or
count, PT and aPTT) before the procedure to idenꢀfy aꢃer the procedure.
and correct any coagulaꢀon abnormality (low platelet
count or coagulopathy).
The Seldinger technique was used in all the Discussion
cases. The paꢀent is placed in the ventral decubitus
posiꢀon. A first CT scan is performed; a black marker is
The transgluteal approach requires precise
used to mark the axes for the needle entry point, and anatomical knowledge of the region to plan a safe
the exact depth from the center of the collecꢀon to the approach and thus avoid known complicaꢀons (Fig.
skin is measured. Local anesthesia (2% lidocaine) was 2). The greater sciaꢀc foramen is an oval space in
administered at the puncture site. An 18-gauge needle the posterolateral aspect of the pelvis below the
is inserted in the previously marked site and once sacroiliac joint, bordered by the sacrum posteriorly,
placed, the collecꢀon is aspired, and a sample is taken the sacrospinous ligament inferiorly, the ischium
for bacteriological analysis. A 0.035-inch guidewire anteriorly, and the ilium superiorly. The piriformis
is advanced, and a dilator is inserted. The size of the muscle originates on the ventral surface of the sacrum
dilator depends on the size of the catheter chosen for and passes through the center of the greater sciaꢀc