5
24
HH Romero Garza y cols. Estudios de laboratorio para la idenꢁꢃcación de apendiciꢁs. Rev Argent Cirug 2020;112(4):517-525
1
7
NA prevalence when adjusted by age groups. However, of the development of complicaꢀon . In our study,
in age groups with lower frequency of this condiꢀon, MPV showed no significant change in AA vs LHP or
this number decreases to 4-5%, so efforts to reduce this uncomplicated vs complicated AA. Only platelet count
rate should be focused on the 11-40 age groups, who showed a significant increase for AA vs LHP; however,
show the highest frequency of presentaꢀon.
further research on the platelets role in AA is needed,
In our paꢀents, the median progression ꢀme to assess its possible value as an indicator of AA and
was 48 hours, showing that most (53%) of the paꢀents its usefulness associated with abscess formaꢀon in
with AA were delayed in seeking medical care, and appendicular pathology.
were operated on when the appendiciꢀs was worse.
Finally, although leukocytosis and percentage
This is a challenge for medical care to achieve a ꢀmely neutrophilia16 are also considered within the PAS
surgery and prevent major surgical and infecꢀous scale for the diagnosis of AA in pediatric paꢀents,
complicaꢀons, including wound infecꢀons, abdominal none of those values reviewed in our study changed
abscesses, and bleeding13,14
.
significantly, suggesꢀng that those lab tests can be used
Paraclinical studies showed the expected as indicators of AA associated with LHP, or complicated
increase in total leukocyte count and total and AA associated with uncomplicated AA; therefore, AA
percentage neutrophils, which are part of the scales behavior is different in pediatric paꢀents.
1
5
that help diagnosing both adult and pediatric
As for imaging studies, indirect characterisꢀcs
1
6
paꢀents . Mean platelet volume was associated with of appendiciꢀs –such as effacement of fat planes
1
0
complicated appendiciꢀs ; however, no associaꢀon and free peritoneal fluid– were the most commonly
was found in our study. reported data in these paꢀents.
In the studied populaꢀon, typical laboratory In conclusion, AA occurs with the same
values for AA diagnosis are relevant in AA vs frequency in both sexes in our seꢃng. Progression ꢀme
LHP. However, this only occurs in adults, since no is an important factor in the frequent presentaꢀon of
parameter is significant to differenꢀate AA from LHP complicated AA, demanding fast and effecꢀve one-ꢀme
or uncomplicated and complicated AA in pediatric medical aꢂenꢀon.
paꢀents.
When
There is also an associaꢀon between
and leukocytosis, total and percentage neutrophilia, and
comparing
uncomplicated
complicated AA, the three data of the white series higher platelet count in the presence of AA, compared
showed significant increase, while PLT and MPV showed to paꢀents with lymphoid hyperplasia. The lab tests
no difference (p < 0.05).
reviewed show no staꢀsꢀcally significant changes in
Other studies reported that MPV values in pediatric paꢀents with AA. In adults with uncomplicated
cases of uncomplicated AA were lower than in paꢀents AA vs. complicated appendiciꢀs, increased WBC, NEU
with complicated AA, and that MPV is a predictor and NEU% are staꢀsꢀcally significant.
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